[INFO] cloning repository https://github.com/RLHerbert/fizz_buzz_functional_composition
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RLHerbert/fizz_buzz_functional_composition" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRLHerbert%2Ffizz_buzz_functional_composition", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRLHerbert%2Ffizz_buzz_functional_composition'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 751e94863062c138ffcab3b92b6d5ff044282300
[INFO] testing RLHerbert/fizz_buzz_functional_composition against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRLHerbert%2Ffizz_buzz_functional_composition" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RLHerbert/fizz_buzz_functional_composition on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RLHerbert/fizz_buzz_functional_composition
[INFO] finished tweaking git repo https://github.com/RLHerbert/fizz_buzz_functional_composition
[INFO] tweaked toml for git repo https://github.com/RLHerbert/fizz_buzz_functional_composition written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/RLHerbert/fizz_buzz_functional_composition already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f17d36c2eb050d97f7d4aed1b4c67d7bc681c08952447830f1ae5896a9b203ca
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f17d36c2eb050d97f7d4aed1b4c67d7bc681c08952447830f1ae5896a9b203ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f17d36c2eb050d97f7d4aed1b4c67d7bc681c08952447830f1ae5896a9b203ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f17d36c2eb050d97f7d4aed1b4c67d7bc681c08952447830f1ae5896a9b203ca", kill_on_drop: false }`
[INFO] [stdout] f17d36c2eb050d97f7d4aed1b4c67d7bc681c08952447830f1ae5896a9b203ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b8f336f19921e7947c582c66cbffe1066656b659545fe80a4bf2b89e18169f3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2b8f336f19921e7947c582c66cbffe1066656b659545fe80a4bf2b89e18169f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling fizz_buzz_functional_composition v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "2b8f336f19921e7947c582c66cbffe1066656b659545fe80a4bf2b89e18169f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b8f336f19921e7947c582c66cbffe1066656b659545fe80a4bf2b89e18169f3", kill_on_drop: false }`
[INFO] [stdout] 2b8f336f19921e7947c582c66cbffe1066656b659545fe80a4bf2b89e18169f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5f1c8a56b760853aee15de08a128efc95e8629d01b636497f5bc3d744fc224ad
[INFO] running `Command { std: "docker" "start" "-a" "5f1c8a56b760853aee15de08a128efc95e8629d01b636497f5bc3d744fc224ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling fizz_buzz_functional_composition v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "5f1c8a56b760853aee15de08a128efc95e8629d01b636497f5bc3d744fc224ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f1c8a56b760853aee15de08a128efc95e8629d01b636497f5bc3d744fc224ad", kill_on_drop: false }`
[INFO] [stdout] 5f1c8a56b760853aee15de08a128efc95e8629d01b636497f5bc3d744fc224ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b82b6eaf9cafb20d2e9c922aa0dfd771bb6f6df181a3ecb9c2a0b0fc21ffa1dc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b82b6eaf9cafb20d2e9c922aa0dfd771bb6f6df181a3ecb9c2a0b0fc21ffa1dc", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fizz_buzz_functional_composition-928f0206a892ffc3)
[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" "b82b6eaf9cafb20d2e9c922aa0dfd771bb6f6df181a3ecb9c2a0b0fc21ffa1dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b82b6eaf9cafb20d2e9c922aa0dfd771bb6f6df181a3ecb9c2a0b0fc21ffa1dc", kill_on_drop: false }`
[INFO] [stdout] b82b6eaf9cafb20d2e9c922aa0dfd771bb6f6df181a3ecb9c2a0b0fc21ffa1dc