[INFO] cloning repository https://github.com/MadManGaz/factorial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MadManGaz/factorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMadManGaz%2Ffactorial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMadManGaz%2Ffactorial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7f83bc09c41274d4c3e8c46081b66ae9f4b8b62d
[INFO] testing MadManGaz/factorial against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMadManGaz%2Ffactorial" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MadManGaz/factorial 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/MadManGaz/factorial
[INFO] finished tweaking git repo https://github.com/MadManGaz/factorial
[INFO] tweaked toml for git repo https://github.com/MadManGaz/factorial written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/MadManGaz/factorial 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 8c4ef75249ae2d8bb96d7ff611fa673783f35cf1a5176cdc7d94b357539badb4
[INFO] running `Command { std: "docker" "start" "-a" "8c4ef75249ae2d8bb96d7ff611fa673783f35cf1a5176cdc7d94b357539badb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c4ef75249ae2d8bb96d7ff611fa673783f35cf1a5176cdc7d94b357539badb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c4ef75249ae2d8bb96d7ff611fa673783f35cf1a5176cdc7d94b357539badb4", kill_on_drop: false }`
[INFO] [stdout] 8c4ef75249ae2d8bb96d7ff611fa673783f35cf1a5176cdc7d94b357539badb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 6145f641288a8ce139434c9353ab660f3db7bed643d71d8e3b7bb8e80795ba2b
[INFO] running `Command { std: "docker" "start" "-a" "6145f641288a8ce139434c9353ab660f3db7bed643d71d8e3b7bb8e80795ba2b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.4
[INFO] [stderr]    Compiling az v1.1.1
[INFO] [stderr]    Compiling rug v1.12.0
[INFO] [stderr]    Compiling factorial v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 42s
[INFO] running `Command { std: "docker" "inspect" "6145f641288a8ce139434c9353ab660f3db7bed643d71d8e3b7bb8e80795ba2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6145f641288a8ce139434c9353ab660f3db7bed643d71d8e3b7bb8e80795ba2b", kill_on_drop: false }`
[INFO] [stdout] 6145f641288a8ce139434c9353ab660f3db7bed643d71d8e3b7bb8e80795ba2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] baf51a977ed842207ba8b2db3301003ab5bb7008b1e871eee9692c7d18f662e6
[INFO] running `Command { std: "docker" "start" "-a" "baf51a977ed842207ba8b2db3301003ab5bb7008b1e871eee9692c7d18f662e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling factorial v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "baf51a977ed842207ba8b2db3301003ab5bb7008b1e871eee9692c7d18f662e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baf51a977ed842207ba8b2db3301003ab5bb7008b1e871eee9692c7d18f662e6", kill_on_drop: false }`
[INFO] [stdout] baf51a977ed842207ba8b2db3301003ab5bb7008b1e871eee9692c7d18f662e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 77683c0a2d7ad083c2758fec4602d3189f82b2d9eecbb9992aca79be5e05ab5e
[INFO] running `Command { std: "docker" "start" "-a" "77683c0a2d7ad083c2758fec4602d3189f82b2d9eecbb9992aca79be5e05ab5e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/factorial-660d8c26a9ea9c4b)
[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" "77683c0a2d7ad083c2758fec4602d3189f82b2d9eecbb9992aca79be5e05ab5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77683c0a2d7ad083c2758fec4602d3189f82b2d9eecbb9992aca79be5e05ab5e", kill_on_drop: false }`
[INFO] [stdout] 77683c0a2d7ad083c2758fec4602d3189f82b2d9eecbb9992aca79be5e05ab5e