[INFO] cloning repository https://github.com/FalseDev/rust-math-experiments
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FalseDev/rust-math-experiments" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFalseDev%2Frust-math-experiments", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFalseDev%2Frust-math-experiments'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0835d960cd1faad4410b92a3d1d4a5a650cb13a0
[INFO] testing FalseDev/rust-math-experiments against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFalseDev%2Frust-math-experiments" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FalseDev/rust-math-experiments 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/FalseDev/rust-math-experiments
[INFO] finished tweaking git repo https://github.com/FalseDev/rust-math-experiments
[INFO] tweaked toml for git repo https://github.com/FalseDev/rust-math-experiments written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/FalseDev/rust-math-experiments 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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 5e5feea858c2805f86a8242bee580054b6f08d5687592bc2e16a8bf7ddcee4c1
[INFO] running `Command { std: "docker" "start" "-a" "5e5feea858c2805f86a8242bee580054b6f08d5687592bc2e16a8bf7ddcee4c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e5feea858c2805f86a8242bee580054b6f08d5687592bc2e16a8bf7ddcee4c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e5feea858c2805f86a8242bee580054b6f08d5687592bc2e16a8bf7ddcee4c1", kill_on_drop: false }`
[INFO] [stdout] 5e5feea858c2805f86a8242bee580054b6f08d5687592bc2e16a8bf7ddcee4c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] b602732aeb825ed8af197695b64cba16462fd894ca931e541a39ddfa4065dbf1
[INFO] running `Command { std: "docker" "start" "-a" "b602732aeb825ed8af197695b64cba16462fd894ca931e541a39ddfa4065dbf1", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-math-experiments v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "b602732aeb825ed8af197695b64cba16462fd894ca931e541a39ddfa4065dbf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b602732aeb825ed8af197695b64cba16462fd894ca931e541a39ddfa4065dbf1", kill_on_drop: false }`
[INFO] [stdout] b602732aeb825ed8af197695b64cba16462fd894ca931e541a39ddfa4065dbf1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 3b591f8d6bd00ef43e5d3e845afd177f7a2e4a644797044f4e6ebd7858fb51d4
[INFO] running `Command { std: "docker" "start" "-a" "3b591f8d6bd00ef43e5d3e845afd177f7a2e4a644797044f4e6ebd7858fb51d4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-math-experiments v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `Command { std: "docker" "inspect" "3b591f8d6bd00ef43e5d3e845afd177f7a2e4a644797044f4e6ebd7858fb51d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b591f8d6bd00ef43e5d3e845afd177f7a2e4a644797044f4e6ebd7858fb51d4", kill_on_drop: false }`
[INFO] [stdout] 3b591f8d6bd00ef43e5d3e845afd177f7a2e4a644797044f4e6ebd7858fb51d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 3db66065453ace3a85e6fc52f8f5a3599a2b8f075e16f5cac74d2bcf37223454
[INFO] running `Command { std: "docker" "start" "-a" "3db66065453ace3a85e6fc52f8f5a3599a2b8f075e16f5cac74d2bcf37223454", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_math_experiments-5ee9aee3e378727e)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::test_factorial ... ok
[INFO] [stdout] test test::test_fib ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3db66065453ace3a85e6fc52f8f5a3599a2b8f075e16f5cac74d2bcf37223454", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3db66065453ace3a85e6fc52f8f5a3599a2b8f075e16f5cac74d2bcf37223454", kill_on_drop: false }`
[INFO] [stdout] 3db66065453ace3a85e6fc52f8f5a3599a2b8f075e16f5cac74d2bcf37223454