[INFO] cloning repository https://github.com/jtdowney/b2sum-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jtdowney/b2sum-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtdowney%2Fb2sum-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtdowney%2Fb2sum-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 64f00cee45e75c9e7214a6bc82d8b95e2c6801f1
[INFO] testing jtdowney/b2sum-rs against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtdowney%2Fb2sum-rs" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jtdowney/b2sum-rs on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jtdowney/b2sum-rs
[INFO] finished tweaking git repo https://github.com/jtdowney/b2sum-rs
[INFO] tweaked toml for git repo https://github.com/jtdowney/b2sum-rs written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/jtdowney/b2sum-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", 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] 2c068f69ca6bcf875d5bcabe04c0db71cf611c8c78f81286acc7f352df70938b
[INFO] running `Command { std: "docker" "start" "-a" "2c068f69ca6bcf875d5bcabe04c0db71cf611c8c78f81286acc7f352df70938b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c068f69ca6bcf875d5bcabe04c0db71cf611c8c78f81286acc7f352df70938b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c068f69ca6bcf875d5bcabe04c0db71cf611c8c78f81286acc7f352df70938b", kill_on_drop: false }`
[INFO] [stdout] 2c068f69ca6bcf875d5bcabe04c0db71cf611c8c78f81286acc7f352df70938b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c45f905fef770217b20db8852a9f0a5b2332fed4489d5a0378d5b239c53b7b64
[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" "c45f905fef770217b20db8852a9f0a5b2332fed4489d5a0378d5b239c53b7b64", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling eyre v0.6.5
[INFO] [stderr]    Compiling backtrace v0.3.56
[INFO] [stderr]    Compiling blake2b_simd v0.5.11
[INFO] [stderr]    Compiling stable-eyre v0.2.2
[INFO] [stderr]    Compiling regex v1.4.5
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling docopt v1.1.1
[INFO] [stderr]    Compiling b2sum v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.96s
[INFO] running `Command { std: "docker" "inspect" "c45f905fef770217b20db8852a9f0a5b2332fed4489d5a0378d5b239c53b7b64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c45f905fef770217b20db8852a9f0a5b2332fed4489d5a0378d5b239c53b7b64", kill_on_drop: false }`
[INFO] [stdout] c45f905fef770217b20db8852a9f0a5b2332fed4489d5a0378d5b239c53b7b64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9294488ca422484c501f8edf24adaac397078cd9d374ae0f4f0448479b58dcb0
[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" "9294488ca422484c501f8edf24adaac397078cd9d374ae0f4f0448479b58dcb0", kill_on_drop: false }`
[INFO] [stderr]    Compiling b2sum v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "9294488ca422484c501f8edf24adaac397078cd9d374ae0f4f0448479b58dcb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9294488ca422484c501f8edf24adaac397078cd9d374ae0f4f0448479b58dcb0", kill_on_drop: false }`
[INFO] [stdout] 9294488ca422484c501f8edf24adaac397078cd9d374ae0f4f0448479b58dcb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 4bb7b31a50ad2bafae88fb92f72f51eb1432540502e89c86d01042cb26397eba
[INFO] running `Command { std: "docker" "start" "-a" "4bb7b31a50ad2bafae88fb92f72f51eb1432540502e89c86d01042cb26397eba", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/b2sum-f931f017ace254b0)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::split_check_line_with_too_long_hash ... ok
[INFO] [stdout] test tests::split_check_line_with_too_small_hash ... ok
[INFO] [stdout] test tests::split_check_line_with_non_even_hash ... ok
[INFO] [stdout] test tests::split_check_line_with_missing_filename ... ok
[INFO] [stdout] test tests::split_check_line_with_valid_line ... ok
[INFO] [stdout] test tests::split_check_line_with_truncated_line ... ok
[INFO] [stdout] test tests::test_hash_formatting ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4bb7b31a50ad2bafae88fb92f72f51eb1432540502e89c86d01042cb26397eba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bb7b31a50ad2bafae88fb92f72f51eb1432540502e89c86d01042cb26397eba", kill_on_drop: false }`
[INFO] [stdout] 4bb7b31a50ad2bafae88fb92f72f51eb1432540502e89c86d01042cb26397eba