[INFO] cloning repository https://github.com/3a4oT/learning_rust_fibonacci
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/3a4oT/learning_rust_fibonacci" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F3a4oT%2Flearning_rust_fibonacci", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F3a4oT%2Flearning_rust_fibonacci'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bdf60b098b5798fa7e6eb6f74ae35fb01a746b9d
[INFO] testing 3a4oT/learning_rust_fibonacci 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%2F3a4oT%2Flearning_rust_fibonacci" "/workspace/builds/worker-119/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-119/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/3a4oT/learning_rust_fibonacci 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/3a4oT/learning_rust_fibonacci
[INFO] finished tweaking git repo https://github.com/3a4oT/learning_rust_fibonacci
[INFO] tweaked toml for git repo https://github.com/3a4oT/learning_rust_fibonacci written to /workspace/builds/worker-119/source/Cargo.toml
[INFO] crate git repo https://github.com/3a4oT/learning_rust_fibonacci 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-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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] 8dd7c2b5f09183ad7df2550217e4b9f7a381d4a5e5bfa826b12d4cb82ed78f0f
[INFO] running `Command { std: "docker" "start" "-a" "8dd7c2b5f09183ad7df2550217e4b9f7a381d4a5e5bfa826b12d4cb82ed78f0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8dd7c2b5f09183ad7df2550217e4b9f7a381d4a5e5bfa826b12d4cb82ed78f0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dd7c2b5f09183ad7df2550217e4b9f7a381d4a5e5bfa826b12d4cb82ed78f0f", kill_on_drop: false }`
[INFO] [stdout] 8dd7c2b5f09183ad7df2550217e4b9f7a381d4a5e5bfa826b12d4cb82ed78f0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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] 26da758235ee1c289a06ec28186b8c5d73d326b10f4f371838c1833a930bc653
[INFO] running `Command { std: "docker" "start" "-a" "26da758235ee1c289a06ec28186b8c5d73d326b10f4f371838c1833a930bc653", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling learning_rust_fibonacci v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "26da758235ee1c289a06ec28186b8c5d73d326b10f4f371838c1833a930bc653", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26da758235ee1c289a06ec28186b8c5d73d326b10f4f371838c1833a930bc653", kill_on_drop: false }`
[INFO] [stdout] 26da758235ee1c289a06ec28186b8c5d73d326b10f4f371838c1833a930bc653
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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] aef373657501b7efcbece60081a62ca29d661bde82fcf5da6fbeb590529e1320
[INFO] running `Command { std: "docker" "start" "-a" "aef373657501b7efcbece60081a62ca29d661bde82fcf5da6fbeb590529e1320", kill_on_drop: false }`
[INFO] [stderr]    Compiling learning_rust_fibonacci v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "aef373657501b7efcbece60081a62ca29d661bde82fcf5da6fbeb590529e1320", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aef373657501b7efcbece60081a62ca29d661bde82fcf5da6fbeb590529e1320", kill_on_drop: false }`
[INFO] [stdout] aef373657501b7efcbece60081a62ca29d661bde82fcf5da6fbeb590529e1320
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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] ac5d2386e467ba754682f5c82f34aa3c62871bbc0325e28f589ef8b8ad83cbf5
[INFO] running `Command { std: "docker" "start" "-a" "ac5d2386e467ba754682f5c82f34aa3c62871bbc0325e28f589ef8b8ad83cbf5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/learning_rust_fibonacci-3c6b334d6fa088ae)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_returns_correct_number ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ac5d2386e467ba754682f5c82f34aa3c62871bbc0325e28f589ef8b8ad83cbf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac5d2386e467ba754682f5c82f34aa3c62871bbc0325e28f589ef8b8ad83cbf5", kill_on_drop: false }`
[INFO] [stdout] ac5d2386e467ba754682f5c82f34aa3c62871bbc0325e28f589ef8b8ad83cbf5