[INFO] cloning repository https://github.com/codurance-apprenticeship/fizz-buzz-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/codurance-apprenticeship/fizz-buzz-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodurance-apprenticeship%2Ffizz-buzz-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodurance-apprenticeship%2Ffizz-buzz-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1cc7f9963e0b4c5e4e0720c578ea090fefc0a077
[INFO] testing codurance-apprenticeship/fizz-buzz-rust against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodurance-apprenticeship%2Ffizz-buzz-rust" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/codurance-apprenticeship/fizz-buzz-rust on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/codurance-apprenticeship/fizz-buzz-rust
[INFO] finished tweaking git repo https://github.com/codurance-apprenticeship/fizz-buzz-rust
[INFO] tweaked toml for git repo https://github.com/codurance-apprenticeship/fizz-buzz-rust written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/codurance-apprenticeship/fizz-buzz-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4405ae9c3a99b32edd3039f5ab9c0b06aaf9dcfff37d7e3c9dab9a0d6bb58694
[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" "4405ae9c3a99b32edd3039f5ab9c0b06aaf9dcfff37d7e3c9dab9a0d6bb58694", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4405ae9c3a99b32edd3039f5ab9c0b06aaf9dcfff37d7e3c9dab9a0d6bb58694", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4405ae9c3a99b32edd3039f5ab9c0b06aaf9dcfff37d7e3c9dab9a0d6bb58694", kill_on_drop: false }`
[INFO] [stdout] 4405ae9c3a99b32edd3039f5ab9c0b06aaf9dcfff37d7e3c9dab9a0d6bb58694
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--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] 56138fc5d3573f6bcd49f0c6720bc8b91c51b76ec28fdcd5e4c24e5067c3ddb3
[INFO] running `Command { std: "docker" "start" "-a" "56138fc5d3573f6bcd49f0c6720bc8b91c51b76ec28fdcd5e4c24e5067c3ddb3", kill_on_drop: false }`
[INFO] [stderr]    Compiling fizz-buzz-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "56138fc5d3573f6bcd49f0c6720bc8b91c51b76ec28fdcd5e4c24e5067c3ddb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56138fc5d3573f6bcd49f0c6720bc8b91c51b76ec28fdcd5e4c24e5067c3ddb3", kill_on_drop: false }`
[INFO] [stdout] 56138fc5d3573f6bcd49f0c6720bc8b91c51b76ec28fdcd5e4c24e5067c3ddb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 18b70db58206987d879a171d19a6706a6f2a7058199e59cbb74011d940a4cd03
[INFO] running `Command { std: "docker" "start" "-a" "18b70db58206987d879a171d19a6706a6f2a7058199e59cbb74011d940a4cd03", kill_on_drop: false }`
[INFO] [stderr]    Compiling fizz-buzz-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "18b70db58206987d879a171d19a6706a6f2a7058199e59cbb74011d940a4cd03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18b70db58206987d879a171d19a6706a6f2a7058199e59cbb74011d940a4cd03", kill_on_drop: false }`
[INFO] [stdout] 18b70db58206987d879a171d19a6706a6f2a7058199e59cbb74011d940a4cd03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", 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] 7d0a4590e131303d264bcb0cdc612cefe2973d7c6c3424ae9d7d6bb802a08aed
[INFO] running `Command { std: "docker" "start" "-a" "7d0a4590e131303d264bcb0cdc612cefe2973d7c6c3424ae9d7d6bb802a08aed", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fizz_buzz_rust-b2c347b919f645c4
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7d0a4590e131303d264bcb0cdc612cefe2973d7c6c3424ae9d7d6bb802a08aed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d0a4590e131303d264bcb0cdc612cefe2973d7c6c3424ae9d7d6bb802a08aed", kill_on_drop: false }`
[INFO] [stdout] 7d0a4590e131303d264bcb0cdc612cefe2973d7c6c3424ae9d7d6bb802a08aed