Diff of the two buildlogs:

--
--- b1/build.log	2020-02-25 12:55:51.184620746 +0000
+++ b2/build.log	2020-02-25 13:02:29.877029402 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Mon Mar 29 07:18:10 -12 2021
-I: pbuilder-time-stamp: 1617045490
+I: Current time: Wed Feb 26 02:55:52 +14 2020
+I: pbuilder-time-stamp: 1582635352
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/buster-reproducible-base.tgz]
 I: copying local configuration
@@ -18,7 +18,7 @@
 I: Extracting source
 gpgv: unknown type of key resource 'trustedkeys.kbx'
 gpgv: keyblock resource '/root/.gnupg/trustedkeys.kbx': General error
-gpgv: Signature made Sun Feb 25 02:56:54 2018 -12
+gpgv: Signature made Mon Feb 26 04:56:54 2018 +14
 gpgv:                using RSA key 424E14D703E7C6D43D9D6F364E7160ED4AC8EE1D
 gpgv: Can't check signature: No public key
 dpkg-source: warning: failed to verify signature on ./golang-github-masterzen-winrm_0.0~git20170601.0.1ca0ba6-3.dsc
@@ -30,6 +30,18 @@
 dpkg-source: info: applying 0002-go1.10-ftbfs.patch
 I: using fakeroot in build.
 I: Installing the build-deps
+I: user script /srv/workspace/pbuilder/16914/tmp/hooks/D01_modify_environment starting
+disorder-fs debug: Running on profitbricks-build2-i386.
+I: Changing host+domainname to test build reproducibility
+I: Adding a custom variable just for the fun of it...
+I: Changing /bin/sh to bash
+Removing 'diversion of /bin/sh to /bin/sh.distrib by dash'
+Adding 'diversion of /bin/sh to /bin/sh.distrib by bash'
+Removing 'diversion of /usr/share/man/man1/sh.1.gz to /usr/share/man/man1/sh.distrib.1.gz by dash'
+Adding 'diversion of /usr/share/man/man1/sh.1.gz to /usr/share/man/man1/sh.distrib.1.gz by bash'
+I: Setting pbuilder2's login shell to /bin/bash
+I: Setting pbuilder2's GECOS to second user,second room,second work-phone,second home-phone,second other
+I: user script /srv/workspace/pbuilder/16914/tmp/hooks/D01_modify_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -138,7 +150,7 @@
 Get: 55 http://deb.debian.org/debian buster/main i386 libyaml-0-2 i386 0.2.1-1 [49.7 kB]
 Get: 56 http://deb.debian.org/debian buster/main i386 pandoc-data all 2.2.1-3 [329 kB]
 Get: 57 http://deb.debian.org/debian buster/main i386 pandoc i386 2.2.1-3+b2 [15.0 MB]
-Fetched 96.8 MB in 1s (82.9 MB/s)
+Fetched 96.8 MB in 24s (3993 kB/s)
 debconf: delaying package configuration, since apt-utils is not installed
 Selecting previously unselected package libbsd0:i386.
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(Reading database ... 19231 files and directories currently installed.)
@@ -389,7 +401,7 @@
 fakeroot is already the newest version (1.23-1).
 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
 I: Building the package
-I: Running cd /build/golang-github-masterzen-winrm-0.0~git20170601.0.1ca0ba6/ && env PATH="/usr/sbin:/usr/bin:/sbin:/bin:/usr/games" HOME="/nonexistent/first-build" dpkg-buildpackage -us -uc -b
+I: Running cd /build/golang-github-masterzen-winrm-0.0~git20170601.0.1ca0ba6/ && env PATH="/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/i/capture/the/path" HOME="/nonexistent/second-build" dpkg-buildpackage -us -uc -b
 dpkg-buildpackage: info: source package golang-github-masterzen-winrm
 dpkg-buildpackage: info: source version 0.0~git20170601.0.1ca0ba6-3
 dpkg-buildpackage: info: source distribution unstable
@@ -407,50 +419,50 @@
    dh_autoreconf -O--buildsystem=golang
    dh_auto_configure -O--buildsystem=golang
    dh_auto_build -O--buildsystem=golang
-	cd obj-i686-linux-gnu && go install -gcflags=all=\"-trimpath=/build/golang-github-masterzen-winrm-0.0\~git20170601.0.1ca0ba6/obj-i686-linux-gnu/src\" -asmflags=all=\"-trimpath=/build/golang-github-masterzen-winrm-0.0\~git20170601.0.1ca0ba6/obj-i686-linux-gnu/src\" -v -p 18 github.com/masterzen/winrm github.com/masterzen/winrm/soap
+	cd obj-i686-linux-gnu && go install -gcflags=all=\"-trimpath=/build/golang-github-masterzen-winrm-0.0\~git20170601.0.1ca0ba6/obj-i686-linux-gnu/src\" -asmflags=all=\"-trimpath=/build/golang-github-masterzen-winrm-0.0\~git20170601.0.1ca0ba6/obj-i686-linux-gnu/src\" -v -p 10 github.com/masterzen/winrm github.com/masterzen/winrm/soap
 errors
 internal/race
-math/bits
-encoding
-vendor/golang_org/x/crypto/cryptobyte/asn1
+unicode
 container/list
+runtime/internal/sys
 unicode/utf8
-internal/nettrace
+crypto/internal/subtle
+math/bits
 sync/atomic
 internal/cpu
-unicode/utf16
 crypto/subtle
 runtime/internal/atomic
-crypto/internal/subtle
-unicode
-runtime/internal/sys
+math
+vendor/golang_org/x/crypto/cryptobyte/asn1
+internal/nettrace
 vendor/golang_org/x/net/dns/dnsmessage
-runtime/cgo
+unicode/utf16
+encoding
 internal/testlog
-math
 internal/bytealg
+runtime/cgo
 runtime
 strconv
 crypto/rc4
 sync
-io
-internal/singleflight
 math/rand
-reflect
+internal/singleflight
+io
 syscall
+reflect
+crypto/cipher
+strings
 hash
 crypto/internal/randutil
-crypto/cipher
 bytes
-strings
 crypto/hmac
 crypto
 hash/crc32
 crypto/sha512
-crypto/md5
-golang.org/x/crypto/md4
 crypto/sha1
 crypto/sha256
+crypto/md5
+golang.org/x/crypto/md4
 crypto/aes
 bufio
 vendor/golang_org/x/text/transform
@@ -458,14 +470,14 @@
 internal/syscall/unix
 time
 internal/poll
-encoding/binary
 sort
+encoding/binary
 os
 regexp/syntax
-crypto/des
-vendor/golang_org/x/crypto/internal/chacha20
-vendor/golang_org/x/crypto/poly1305
 encoding/base64
+vendor/golang_org/x/crypto/poly1305
+vendor/golang_org/x/crypto/internal/chacha20
+crypto/des
 vendor/golang_org/x/crypto/curve25519
 vendor/golang_org/x/crypto/chacha20poly1305
 encoding/pem
@@ -473,52 +485,52 @@
 fmt
 io/ioutil
 regexp
+net/url
+log
 encoding/hex
 context
-log
-math/big
-net/url
 vendor/golang_org/x/net/http2/hpack
-compress/flate
-mime/quotedprintable
+math/big
 mime
-net/http/internal
+mime/quotedprintable
 vendor/golang_org/x/text/unicode/norm
-encoding/xml
+compress/flate
 vendor/golang_org/x/text/unicode/bidi
+net/http/internal
+encoding/xml
 net
 vendor/golang_org/x/text/secure/bidirule
 compress/gzip
 vendor/golang_org/x/net/idna
-github.com/masterzen/simplexml/dom
 github.com/masterzen/xmlpath
+github.com/masterzen/simplexml/dom
 github.com/masterzen/winrm/soap
 crypto/rand
-crypto/dsa
 encoding/asn1
+crypto/dsa
 crypto/elliptic
 github.com/nu7hatch/gouuid
 crypto/rsa
-crypto/ecdsa
 crypto/x509/pkix
 vendor/golang_org/x/crypto/cryptobyte
+crypto/ecdsa
 vendor/golang_org/x/net/http/httpproxy
 net/textproto
 crypto/x509
-vendor/golang_org/x/net/http/httpguts
 mime/multipart
+vendor/golang_org/x/net/http/httpguts
 crypto/tls
 net/http/httptrace
 net/http
 github.com/Azure/go-ntlmssp
 github.com/masterzen/winrm
    dh_auto_test -O--buildsystem=golang
-	cd obj-i686-linux-gnu && go test -vet=off -v -p 18 github.com/masterzen/winrm github.com/masterzen/winrm/soap
+	cd obj-i686-linux-gnu && go test -vet=off -v -p 10 github.com/masterzen/winrm github.com/masterzen/winrm/soap
 === RUN   Test
 OK: 37 passed
---- PASS: Test (4.02s)
+--- PASS: Test (5.06s)
 PASS
-ok  	github.com/masterzen/winrm	4.026s
+ok  	github.com/masterzen/winrm	5.069s
 === RUN   Test
 OK: 6 passed
 --- PASS: Test (0.00s)
@@ -527,7 +539,7 @@
 === RUN   TestSetTo
 --- PASS: TestSetTo (0.00s)
 PASS
-ok  	github.com/masterzen/winrm/soap	0.004s
+ok  	github.com/masterzen/winrm/soap	0.011s
    create-stamp debian/debhelper-build-stamp
  fakeroot debian/rules binary
 dh binary --buildsystem=golang --with=golang
@@ -562,12 +574,14 @@
  dpkg-source --after-build .
 dpkg-buildpackage: info: binary-only upload (no source included)
 I: copying local configuration
+I: user script /srv/workspace/pbuilder/16914/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/16914/tmp/hooks/B01_cleanup finished
 I: unmounting dev/ptmx filesystem
 I: unmounting dev/pts filesystem
 I: unmounting dev/shm filesystem
 I: unmounting proc filesystem
 I: unmounting sys filesystem
 I: cleaning the build env 
-I: removing directory /srv/workspace/pbuilder/28614 and its subdirectories
-I: Current time: Mon Mar 29 07:18:50 -12 2021
-I: pbuilder-time-stamp: 1617045530
+I: removing directory /srv/workspace/pbuilder/16914 and its subdirectories
+I: Current time: Wed Feb 26 03:02:29 +14 2020
+I: pbuilder-time-stamp: 1582635749