[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 beta-2021-09-08 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-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FalseDev/rust-math-experiments 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/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-9/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" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 72d037e2974e2dbee70c9b2b99fd0e2406950bd489ab67f0fe0ce1f0c06a09e4
[INFO] running `Command { std: "docker" "start" "-a" "72d037e2974e2dbee70c9b2b99fd0e2406950bd489ab67f0fe0ce1f0c06a09e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72d037e2974e2dbee70c9b2b99fd0e2406950bd489ab67f0fe0ce1f0c06a09e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72d037e2974e2dbee70c9b2b99fd0e2406950bd489ab67f0fe0ce1f0c06a09e4", kill_on_drop: false }`
[INFO] [stdout] 72d037e2974e2dbee70c9b2b99fd0e2406950bd489ab67f0fe0ce1f0c06a09e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 5cdcfee8e4ec61e9a69b5c2e59bcfbc0c804d7f0132d377cf8737b20fa7edbef
[INFO] running `Command { std: "docker" "start" "-a" "5cdcfee8e4ec61e9a69b5c2e59bcfbc0c804d7f0132d377cf8737b20fa7edbef", 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 1.61s
[INFO] running `Command { std: "docker" "inspect" "5cdcfee8e4ec61e9a69b5c2e59bcfbc0c804d7f0132d377cf8737b20fa7edbef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cdcfee8e4ec61e9a69b5c2e59bcfbc0c804d7f0132d377cf8737b20fa7edbef", kill_on_drop: false }`
[INFO] [stdout] 5cdcfee8e4ec61e9a69b5c2e59bcfbc0c804d7f0132d377cf8737b20fa7edbef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] bfcfbb77e30ff2e492a22ff3ae78ff5b5af5c79af77f6859a64a218716fe302d
[INFO] running `Command { std: "docker" "start" "-a" "bfcfbb77e30ff2e492a22ff3ae78ff5b5af5c79af77f6859a64a218716fe302d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-math-experiments v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "bfcfbb77e30ff2e492a22ff3ae78ff5b5af5c79af77f6859a64a218716fe302d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfcfbb77e30ff2e492a22ff3ae78ff5b5af5c79af77f6859a64a218716fe302d", kill_on_drop: false }`
[INFO] [stdout] bfcfbb77e30ff2e492a22ff3ae78ff5b5af5c79af77f6859a64a218716fe302d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] a9e4af4c9c357a9a7fa14ffdb889ad31e440696bc23f69a41fe6f4eecd74a48d
[INFO] running `Command { std: "docker" "start" "-a" "a9e4af4c9c357a9a7fa14ffdb889ad31e440696bc23f69a41fe6f4eecd74a48d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.29s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_math_experiments-ea4f612b32401791)
[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" "a9e4af4c9c357a9a7fa14ffdb889ad31e440696bc23f69a41fe6f4eecd74a48d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9e4af4c9c357a9a7fa14ffdb889ad31e440696bc23f69a41fe6f4eecd74a48d", kill_on_drop: false }`
[INFO] [stdout] a9e4af4c9c357a9a7fa14ffdb889ad31e440696bc23f69a41fe6f4eecd74a48d