[INFO] cloning repository https://github.com/breezeplusblocks/study_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/breezeplusblocks/study_rust_fibonacci" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbreezeplusblocks%2Fstudy_rust_fibonacci", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbreezeplusblocks%2Fstudy_rust_fibonacci'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 16879f4537bcc85720bc50628f371a7c9b2734c5
[INFO] testing breezeplusblocks/study_rust_fibonacci against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbreezeplusblocks%2Fstudy_rust_fibonacci" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/breezeplusblocks/study_rust_fibonacci 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/breezeplusblocks/study_rust_fibonacci
[INFO] finished tweaking git repo https://github.com/breezeplusblocks/study_rust_fibonacci
[INFO] tweaked toml for git repo https://github.com/breezeplusblocks/study_rust_fibonacci written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/breezeplusblocks/study_rust_fibonacci 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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 8122df58495b3c68a93a0750f121ef58681721a621085134d5396de8678a8615
[INFO] running `Command { std: "docker" "start" "-a" "8122df58495b3c68a93a0750f121ef58681721a621085134d5396de8678a8615", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8122df58495b3c68a93a0750f121ef58681721a621085134d5396de8678a8615", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8122df58495b3c68a93a0750f121ef58681721a621085134d5396de8678a8615", kill_on_drop: false }`
[INFO] [stdout] 8122df58495b3c68a93a0750f121ef58681721a621085134d5396de8678a8615
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] df868366baa71cc9b543ccd2fb9fa0be2f89452d3ec492dd2f1ff3ffcd7d1837
[INFO] running `Command { std: "docker" "start" "-a" "df868366baa71cc9b543ccd2fb9fa0be2f89452d3ec492dd2f1ff3ffcd7d1837", kill_on_drop: false }`
[INFO] [stderr]    Compiling fibonacci v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "df868366baa71cc9b543ccd2fb9fa0be2f89452d3ec492dd2f1ff3ffcd7d1837", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df868366baa71cc9b543ccd2fb9fa0be2f89452d3ec492dd2f1ff3ffcd7d1837", kill_on_drop: false }`
[INFO] [stdout] df868366baa71cc9b543ccd2fb9fa0be2f89452d3ec492dd2f1ff3ffcd7d1837
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] db484baee702d924000287b62e5c88dc6314eaf5e27ddab061f3b95199c933c9
[INFO] running `Command { std: "docker" "start" "-a" "db484baee702d924000287b62e5c88dc6314eaf5e27ddab061f3b95199c933c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling fibonacci v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "db484baee702d924000287b62e5c88dc6314eaf5e27ddab061f3b95199c933c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db484baee702d924000287b62e5c88dc6314eaf5e27ddab061f3b95199c933c9", kill_on_drop: false }`
[INFO] [stdout] db484baee702d924000287b62e5c88dc6314eaf5e27ddab061f3b95199c933c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] a9fb7fbfbe5d850931a434d9c553198c656c21bf121d1bb73a39a76f2feb2205
[INFO] running `Command { std: "docker" "start" "-a" "a9fb7fbfbe5d850931a434d9c553198c656c21bf121d1bb73a39a76f2feb2205", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fibonacci-c23e09f08e67c46e)
[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" "a9fb7fbfbe5d850931a434d9c553198c656c21bf121d1bb73a39a76f2feb2205", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9fb7fbfbe5d850931a434d9c553198c656c21bf121d1bb73a39a76f2feb2205", kill_on_drop: false }`
[INFO] [stdout] a9fb7fbfbe5d850931a434d9c553198c656c21bf121d1bb73a39a76f2feb2205