[INFO] cloning repository https://github.com/alienratt/Rust-Chapter-13.1-Exercise
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alienratt/Rust-Chapter-13.1-Exercise" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falienratt%2FRust-Chapter-13.1-Exercise", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falienratt%2FRust-Chapter-13.1-Exercise'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 977f0ac7edde3f51f75c0bbf6e607dcce447d238
[INFO] testing alienratt/Rust-Chapter-13.1-Exercise against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falienratt%2FRust-Chapter-13.1-Exercise" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alienratt/Rust-Chapter-13.1-Exercise 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/alienratt/Rust-Chapter-13.1-Exercise
[INFO] finished tweaking git repo https://github.com/alienratt/Rust-Chapter-13.1-Exercise
[INFO] tweaked toml for git repo https://github.com/alienratt/Rust-Chapter-13.1-Exercise written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/alienratt/Rust-Chapter-13.1-Exercise 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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 4444895d90457d2887a2ce08502910ea1500e559ad0ce8e902c6d8721c64835b
[INFO] running `Command { std: "docker" "start" "-a" "4444895d90457d2887a2ce08502910ea1500e559ad0ce8e902c6d8721c64835b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4444895d90457d2887a2ce08502910ea1500e559ad0ce8e902c6d8721c64835b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4444895d90457d2887a2ce08502910ea1500e559ad0ce8e902c6d8721c64835b", kill_on_drop: false }`
[INFO] [stdout] 4444895d90457d2887a2ce08502910ea1500e559ad0ce8e902c6d8721c64835b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] d7344d8b26e3441fa7576d8b40a0fd91229d4b5ae3a8c509c30f972851f47bfe
[INFO] running `Command { std: "docker" "start" "-a" "d7344d8b26e3441fa7576d8b40a0fd91229d4b5ae3a8c509c30f972851f47bfe", kill_on_drop: false }`
[INFO] [stderr]    Compiling closures v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `Command { std: "docker" "inspect" "d7344d8b26e3441fa7576d8b40a0fd91229d4b5ae3a8c509c30f972851f47bfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7344d8b26e3441fa7576d8b40a0fd91229d4b5ae3a8c509c30f972851f47bfe", kill_on_drop: false }`
[INFO] [stdout] d7344d8b26e3441fa7576d8b40a0fd91229d4b5ae3a8c509c30f972851f47bfe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] eecefac2b01df6e1f66f2ebe95de2bda21f6a5b1cce88ba6ca6733a16eee8080
[INFO] running `Command { std: "docker" "start" "-a" "eecefac2b01df6e1f66f2ebe95de2bda21f6a5b1cce88ba6ca6733a16eee8080", kill_on_drop: false }`
[INFO] [stderr]    Compiling closures v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "eecefac2b01df6e1f66f2ebe95de2bda21f6a5b1cce88ba6ca6733a16eee8080", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eecefac2b01df6e1f66f2ebe95de2bda21f6a5b1cce88ba6ca6733a16eee8080", kill_on_drop: false }`
[INFO] [stdout] eecefac2b01df6e1f66f2ebe95de2bda21f6a5b1cce88ba6ca6733a16eee8080
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 729edd21a678f223a9c80107c08eec6f885d5ed65d4a524504cb7b27704f4aa2
[INFO] running `Command { std: "docker" "start" "-a" "729edd21a678f223a9c80107c08eec6f885d5ed65d4a524504cb7b27704f4aa2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/closures-a2bdbefe6ecccec5)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::call_with_string_usize ... ok
[INFO] [stdout] test tests::call_with_different_values ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "729edd21a678f223a9c80107c08eec6f885d5ed65d4a524504cb7b27704f4aa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "729edd21a678f223a9c80107c08eec6f885d5ed65d4a524504cb7b27704f4aa2", kill_on_drop: false }`
[INFO] [stdout] 729edd21a678f223a9c80107c08eec6f885d5ed65d4a524504cb7b27704f4aa2