[INFO] updating cached repository https://github.com/RustBicycleBook/wordcount
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3db5a191f5905cd48088161c13cdcfb19e83b247
[INFO] testing RustBicycleBook/wordcount against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRustBicycleBook%2Fwordcount" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RustBicycleBook/wordcount on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/RustBicycleBook/wordcount
[INFO] finished tweaking git repo https://github.com/RustBicycleBook/wordcount
[INFO] tweaked toml for git repo https://github.com/RustBicycleBook/wordcount written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/RustBicycleBook/wordcount already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d91d96c52721fe6c444b15bd93de7b2941ed6238d8221798d236a7a5cbe8764e
[INFO] running `"docker" "start" "-a" "d91d96c52721fe6c444b15bd93de7b2941ed6238d8221798d236a7a5cbe8764e"`
[INFO] [stderr]    Compiling libc v0.2.46
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling regex-syntax v0.6.4
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling bicycle-book-wordcount v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.28s
[INFO] running `"docker" "inspect" "d91d96c52721fe6c444b15bd93de7b2941ed6238d8221798d236a7a5cbe8764e"`
[INFO] running `"docker" "rm" "-f" "d91d96c52721fe6c444b15bd93de7b2941ed6238d8221798d236a7a5cbe8764e"`
[INFO] [stdout] d91d96c52721fe6c444b15bd93de7b2941ed6238d8221798d236a7a5cbe8764e
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 497706f6d704c8a1e9c3e0a0ac8d58410fd77c9d89db511a75f11ce3c9f5cec0
[INFO] running `"docker" "start" "-a" "497706f6d704c8a1e9c3e0a0ac8d58410fd77c9d89db511a75f11ce3c9f5cec0"`
[INFO] [stderr]    Compiling bicycle-book-wordcount v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.75s
[INFO] running `"docker" "inspect" "497706f6d704c8a1e9c3e0a0ac8d58410fd77c9d89db511a75f11ce3c9f5cec0"`
[INFO] running `"docker" "rm" "-f" "497706f6d704c8a1e9c3e0a0ac8d58410fd77c9d89db511a75f11ce3c9f5cec0"`
[INFO] [stdout] 497706f6d704c8a1e9c3e0a0ac8d58410fd77c9d89db511a75f11ce3c9f5cec0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 293d4cae97dc0249b594c0cbcbc0d7b92a133a1fd2e59d6de28d016ce90cd139
[INFO] running `"docker" "start" "-a" "293d4cae97dc0249b594c0cbcbc0d7b92a133a1fd2e59d6de28d016ce90cd139"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bicycle_book_wordcount-a1239f671f8b5a2c
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test::word_count_works3 ... ok
[INFO] [stdout] test word_count_works ... ok
[INFO] [stdout] test word_count_works3 ... ok
[INFO] [stdout] test word_count_works2 ... ok
[INFO] [stdout] test word_count_do_not_contain_unknown_words ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bicycle_book_wordcount-8f1f5c46026dbe4f
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/char-7d945b274d96f98c
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test char_count_utf8 ... ok
[INFO] [stdout] test char_count_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/line-16d2943ba8ecafbd
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test line_count_works ... ok
[INFO] [stdout] test line_count_lfcr ... ok
[INFO] [stderr]    Doc-tests bicycle-book-wordcount
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - count (line 37) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "293d4cae97dc0249b594c0cbcbc0d7b92a133a1fd2e59d6de28d016ce90cd139"`
[INFO] running `"docker" "rm" "-f" "293d4cae97dc0249b594c0cbcbc0d7b92a133a1fd2e59d6de28d016ce90cd139"`
[INFO] [stdout] 293d4cae97dc0249b594c0cbcbc0d7b92a133a1fd2e59d6de28d016ce90cd139