[INFO] cloning repository https://github.com/lilydjwg/simplehist
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lilydjwg/simplehist" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flilydjwg%2Fsimplehist", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flilydjwg%2Fsimplehist'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 13a18a3de5b1f2a4eff4297ad16c1f1bb897470a
[INFO] testing lilydjwg/simplehist against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flilydjwg%2Fsimplehist" "/workspace/builds/worker-51/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-51/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lilydjwg/simplehist 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/lilydjwg/simplehist
[INFO] finished tweaking git repo https://github.com/lilydjwg/simplehist
[INFO] tweaked toml for git repo https://github.com/lilydjwg/simplehist written to /workspace/builds/worker-51/source/Cargo.toml
[INFO] crate git repo https://github.com/lilydjwg/simplehist 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded histo v0.1.0
[INFO] [stderr]   Downloaded streaming-stats v0.1.29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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] [stdout] e89721ba0fdd39d75e22e481c9b253908df1dc5673e26c3048d403e0c4ede75b
[INFO] running `Command { std: "docker" "start" "-a" "e89721ba0fdd39d75e22e481c9b253908df1dc5673e26c3048d403e0c4ede75b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e89721ba0fdd39d75e22e481c9b253908df1dc5673e26c3048d403e0c4ede75b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e89721ba0fdd39d75e22e481c9b253908df1dc5673e26c3048d403e0c4ede75b", kill_on_drop: false }`
[INFO] [stdout] e89721ba0fdd39d75e22e481c9b253908df1dc5673e26c3048d403e0c4ede75b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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] df7ce09c358c991a2380bd8e3ae81c051d90b638cff20e9d744603fe1092a706
[INFO] running `Command { std: "docker" "start" "-a" "df7ce09c358c991a2380bd8e3ae81c051d90b638cff20e9d744603fe1092a706", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling streaming-stats v0.1.29
[INFO] [stderr]    Compiling histo v0.1.0
[INFO] [stderr]    Compiling simplehist v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.31s
[INFO] running `Command { std: "docker" "inspect" "df7ce09c358c991a2380bd8e3ae81c051d90b638cff20e9d744603fe1092a706", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df7ce09c358c991a2380bd8e3ae81c051d90b638cff20e9d744603fe1092a706", kill_on_drop: false }`
[INFO] [stdout] df7ce09c358c991a2380bd8e3ae81c051d90b638cff20e9d744603fe1092a706
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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] 9b17d91a961f92685d2b7b321af89d4597ec1e1934038f6a47d740ad2a330797
[INFO] running `Command { std: "docker" "start" "-a" "9b17d91a961f92685d2b7b321af89d4597ec1e1934038f6a47d740ad2a330797", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling simplehist v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "9b17d91a961f92685d2b7b321af89d4597ec1e1934038f6a47d740ad2a330797", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b17d91a961f92685d2b7b321af89d4597ec1e1934038f6a47d740ad2a330797", kill_on_drop: false }`
[INFO] [stdout] 9b17d91a961f92685d2b7b321af89d4597ec1e1934038f6a47d740ad2a330797
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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] [stdout] b9f30f3e0c2505bef764f8205e473658540c28dd1463e3fe9901d14efef1f098
[INFO] running `Command { std: "docker" "start" "-a" "b9f30f3e0c2505bef764f8205e473658540c28dd1463e3fe9901d14efef1f098", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/simplehist-4317200d68dfda11)
[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] running `Command { std: "docker" "inspect" "b9f30f3e0c2505bef764f8205e473658540c28dd1463e3fe9901d14efef1f098", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9f30f3e0c2505bef764f8205e473658540c28dd1463e3fe9901d14efef1f098", kill_on_drop: false }`
[INFO] [stdout] b9f30f3e0c2505bef764f8205e473658540c28dd1463e3fe9901d14efef1f098