[INFO] cloning repository https://github.com/cfsamson/learning-crc32
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cfsamson/learning-crc32" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcfsamson%2Flearning-crc32", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcfsamson%2Flearning-crc32'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 74bf18eb79a4faad0ef473e89a06531e4f088b01
[INFO] testing cfsamson/learning-crc32 against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcfsamson%2Flearning-crc32" "/workspace/builds/worker-38/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-38/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cfsamson/learning-crc32 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cfsamson/learning-crc32
[INFO] finished tweaking git repo https://github.com/cfsamson/learning-crc32
[INFO] tweaked toml for git repo https://github.com/cfsamson/learning-crc32 written to /workspace/builds/worker-38/source/Cargo.toml
[INFO] crate git repo https://github.com/cfsamson/learning-crc32 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 78bc52f2495557dbcfaa17e473c74c0265a1982bc3c1c48188e8c48918b9b430
[INFO] running `Command { std: "docker" "start" "-a" "78bc52f2495557dbcfaa17e473c74c0265a1982bc3c1c48188e8c48918b9b430", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78bc52f2495557dbcfaa17e473c74c0265a1982bc3c1c48188e8c48918b9b430", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78bc52f2495557dbcfaa17e473c74c0265a1982bc3c1c48188e8c48918b9b430", kill_on_drop: false }`
[INFO] [stdout] 78bc52f2495557dbcfaa17e473c74c0265a1982bc3c1c48188e8c48918b9b430
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd72d84e7016341fce12daa6aa44b5cf72c65f2188c4e393de739f11e57e5af7
[INFO] running `Command { std: "docker" "start" "-a" "cd72d84e7016341fce12daa6aa44b5cf72c65f2188c4e393de739f11e57e5af7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling crc_checksum v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `reflect`
[INFO] [stdout]  --> src/main.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | const fn reflect(data: Crc, n_bits: u8) -> Crc {
[INFO] [stdout]   |          ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.42s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cd72d84e7016341fce12daa6aa44b5cf72c65f2188c4e393de739f11e57e5af7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd72d84e7016341fce12daa6aa44b5cf72c65f2188c4e393de739f11e57e5af7", kill_on_drop: false }`
[INFO] [stdout] cd72d84e7016341fce12daa6aa44b5cf72c65f2188c4e393de739f11e57e5af7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f80ca9ef3253b928d36de84c7f83b1953ae9cdca84f671d39e50e36afbd4d320
[INFO] running `Command { std: "docker" "start" "-a" "f80ca9ef3253b928d36de84c7f83b1953ae9cdca84f671d39e50e36afbd4d320", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling crc_checksum v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "f80ca9ef3253b928d36de84c7f83b1953ae9cdca84f671d39e50e36afbd4d320", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f80ca9ef3253b928d36de84c7f83b1953ae9cdca84f671d39e50e36afbd4d320", kill_on_drop: false }`
[INFO] [stdout] f80ca9ef3253b928d36de84c7f83b1953ae9cdca84f671d39e50e36afbd4d320
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 12a69f23a55d9421d5c0e5f6642f2c655be20af6d4d12ba87efe5472ca35e2fd
[INFO] running `Command { std: "docker" "start" "-a" "12a69f23a55d9421d5c0e5f6642f2c655be20af6d4d12ba87efe5472ca35e2fd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 21.31s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/crc_checksum-38ace1e16a4c8fd2)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_crc ... ignored
[INFO] [stdout] test reflect_u32_works ... ok
[INFO] [stdout] test reflect_u8_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "12a69f23a55d9421d5c0e5f6642f2c655be20af6d4d12ba87efe5472ca35e2fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12a69f23a55d9421d5c0e5f6642f2c655be20af6d4d12ba87efe5472ca35e2fd", kill_on_drop: false }`
[INFO] [stdout] 12a69f23a55d9421d5c0e5f6642f2c655be20af6d4d12ba87efe5472ca35e2fd