[INFO] cloning repository https://github.com/RustBicycleBook/wordcount
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RustBicycleBook/wordcount" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRustBicycleBook%2Fwordcount", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRustBicycleBook%2Fwordcount'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3db5a191f5905cd48088161c13cdcfb19e83b247
[INFO] testing RustBicycleBook/wordcount against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRustBicycleBook%2Fwordcount" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RustBicycleBook/wordcount on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-12/source/Cargo.toml
[INFO] crate git repo https://github.com/RustBicycleBook/wordcount already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44886bf457343419dda3bf4ae3fbe2f2c773b36362c2039b99c9005e920f0add
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "44886bf457343419dda3bf4ae3fbe2f2c773b36362c2039b99c9005e920f0add", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44886bf457343419dda3bf4ae3fbe2f2c773b36362c2039b99c9005e920f0add", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44886bf457343419dda3bf4ae3fbe2f2c773b36362c2039b99c9005e920f0add", kill_on_drop: false }`
[INFO] [stdout] 44886bf457343419dda3bf4ae3fbe2f2c773b36362c2039b99c9005e920f0add
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f64f9566485886e80f8750cc4066205d1605dfa4356423b49dbb26b256bc3cf1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f64f9566485886e80f8750cc4066205d1605dfa4356423b49dbb26b256bc3cf1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.46
[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 13.25s
[INFO] running `Command { std: "docker" "inspect" "f64f9566485886e80f8750cc4066205d1605dfa4356423b49dbb26b256bc3cf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f64f9566485886e80f8750cc4066205d1605dfa4356423b49dbb26b256bc3cf1", kill_on_drop: false }`
[INFO] [stdout] f64f9566485886e80f8750cc4066205d1605dfa4356423b49dbb26b256bc3cf1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5bbbe25a2daf80a36cc54a99c894fa82f7a8bf988166900244a28443c7ba8fc5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5bbbe25a2daf80a36cc54a99c894fa82f7a8bf988166900244a28443c7ba8fc5", kill_on_drop: false }`
[INFO] [stderr]    Compiling bicycle-book-wordcount v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.93s
[INFO] running `Command { std: "docker" "inspect" "5bbbe25a2daf80a36cc54a99c894fa82f7a8bf988166900244a28443c7ba8fc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bbbe25a2daf80a36cc54a99c894fa82f7a8bf988166900244a28443c7ba8fc5", kill_on_drop: false }`
[INFO] [stdout] 5bbbe25a2daf80a36cc54a99c894fa82f7a8bf988166900244a28443c7ba8fc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 05eddf5dfcaf35ddb73bdfc3c8c02d9312f28d2020f1102e14e6c29727062e69
[INFO] running `Command { std: "docker" "start" "-a" "05eddf5dfcaf35ddb73bdfc3c8c02d9312f28d2020f1102e14e6c29727062e69", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bicycle_book_wordcount-e410deae7d3b0b14
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test word_count_works ... ok
[INFO] [stdout] test word_count_works2 ... ok
[INFO] [stdout] test test::word_count_works3 ... ok
[INFO] [stdout] test word_count_works3 ... 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; finished in 0.12s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bicycle_book_wordcount-80fa060dd2adf581
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/char-6c8bfb71cb6185ce
[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; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/line-07a054ce3d1f044c
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]    Doc-tests bicycle-book-wordcount
[INFO] [stdout] test line_count_lfcr ... ok
[INFO] [stdout] test line_count_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[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; finished in 1.45s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "05eddf5dfcaf35ddb73bdfc3c8c02d9312f28d2020f1102e14e6c29727062e69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05eddf5dfcaf35ddb73bdfc3c8c02d9312f28d2020f1102e14e6c29727062e69", kill_on_drop: false }`
[INFO] [stdout] 05eddf5dfcaf35ddb73bdfc3c8c02d9312f28d2020f1102e14e6c29727062e69