[INFO] cloning repository https://github.com/joshuaaminu/rust_learn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/joshuaaminu/rust_learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoshuaaminu%2Frust_learn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoshuaaminu%2Frust_learn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1f89184275b13cd6acf16cbae838e0e7e16be7a1
[INFO] testing joshuaaminu/rust_learn against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoshuaaminu%2Frust_learn" "/workspace/builds/worker-82/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-82/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/joshuaaminu/rust_learn 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/joshuaaminu/rust_learn
[INFO] finished tweaking git repo https://github.com/joshuaaminu/rust_learn
[INFO] tweaked toml for git repo https://github.com/joshuaaminu/rust_learn written to /workspace/builds/worker-82/source/Cargo.toml
[INFO] crate git repo https://github.com/joshuaaminu/rust_learn 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-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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] b64ad81dc5aa8f2ccf0486a1e278b641cc442e9841278d150bf832f24ff7d100
[INFO] running `Command { std: "docker" "start" "-a" "b64ad81dc5aa8f2ccf0486a1e278b641cc442e9841278d150bf832f24ff7d100", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b64ad81dc5aa8f2ccf0486a1e278b641cc442e9841278d150bf832f24ff7d100", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b64ad81dc5aa8f2ccf0486a1e278b641cc442e9841278d150bf832f24ff7d100", kill_on_drop: false }`
[INFO] [stdout] b64ad81dc5aa8f2ccf0486a1e278b641cc442e9841278d150bf832f24ff7d100
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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] c9fc204834cc62992cbe1f44edd43acec9e23ed9b8bdaf8378a34c7b97d0f327
[INFO] running `Command { std: "docker" "start" "-a" "c9fc204834cc62992cbe1f44edd43acec9e23ed9b8bdaf8378a34c7b97d0f327", kill_on_drop: false }`
[INFO] [stderr]    Compiling calculator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `Command { std: "docker" "inspect" "c9fc204834cc62992cbe1f44edd43acec9e23ed9b8bdaf8378a34c7b97d0f327", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9fc204834cc62992cbe1f44edd43acec9e23ed9b8bdaf8378a34c7b97d0f327", kill_on_drop: false }`
[INFO] [stdout] c9fc204834cc62992cbe1f44edd43acec9e23ed9b8bdaf8378a34c7b97d0f327
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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] f9e265d328d8d697d4d8016af5a2d6f45798c7774ca3889c94af84e0206bc1d0
[INFO] running `Command { std: "docker" "start" "-a" "f9e265d328d8d697d4d8016af5a2d6f45798c7774ca3889c94af84e0206bc1d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling calculator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "f9e265d328d8d697d4d8016af5a2d6f45798c7774ca3889c94af84e0206bc1d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9e265d328d8d697d4d8016af5a2d6f45798c7774ca3889c94af84e0206bc1d0", kill_on_drop: false }`
[INFO] [stdout] f9e265d328d8d697d4d8016af5a2d6f45798c7774ca3889c94af84e0206bc1d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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] d71968132751cdfe00d8542b0b33e3a303acee030a6ae84ce4d49402075e1360
[INFO] running `Command { std: "docker" "start" "-a" "d71968132751cdfe00d8542b0b33e3a303acee030a6ae84ce4d49402075e1360", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/calculator-c3bdeb42dbf0039f)
[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" "d71968132751cdfe00d8542b0b33e3a303acee030a6ae84ce4d49402075e1360", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d71968132751cdfe00d8542b0b33e3a303acee030a6ae84ce4d49402075e1360", kill_on_drop: false }`
[INFO] [stdout] d71968132751cdfe00d8542b0b33e3a303acee030a6ae84ce4d49402075e1360