[INFO] updating cached repository https://github.com/LeopoldArkham/brainfuck
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a88dcc5530736f20779f823b8d84686cda4cb617
[INFO] testing LeopoldArkham/brainfuck against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeopoldArkham%2Fbrainfuck" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LeopoldArkham/brainfuck on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LeopoldArkham/brainfuck
[INFO] finished tweaking git repo https://github.com/LeopoldArkham/brainfuck
[INFO] tweaked toml for git repo https://github.com/LeopoldArkham/brainfuck written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/LeopoldArkham/brainfuck already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 36de7dc077e7c1ef35d94349c02ac6ae631f890e73255ef0c5a801a769c21fb0
[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" "36de7dc077e7c1ef35d94349c02ac6ae631f890e73255ef0c5a801a769c21fb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36de7dc077e7c1ef35d94349c02ac6ae631f890e73255ef0c5a801a769c21fb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36de7dc077e7c1ef35d94349c02ac6ae631f890e73255ef0c5a801a769c21fb0", kill_on_drop: false }`
[INFO] [stdout] 36de7dc077e7c1ef35d94349c02ac6ae631f890e73255ef0c5a801a769c21fb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 927dbd646bb89397f7f2bdd5c826bf41382aefb141b09fd4f728dcd31b3117c0
[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" "927dbd646bb89397f7f2bdd5c826bf41382aefb141b09fd4f728dcd31b3117c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling brainfuck v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `is_start`
[INFO] [stdout]   --> src/main.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn is_start(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "927dbd646bb89397f7f2bdd5c826bf41382aefb141b09fd4f728dcd31b3117c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "927dbd646bb89397f7f2bdd5c826bf41382aefb141b09fd4f728dcd31b3117c0", kill_on_drop: false }`
[INFO] [stdout] 927dbd646bb89397f7f2bdd5c826bf41382aefb141b09fd4f728dcd31b3117c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 327cacf4f2784d4855d896d0a7043e1aa6ed27a8474ad4bb618e66bea444175c
[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" "327cacf4f2784d4855d896d0a7043e1aa6ed27a8474ad4bb618e66bea444175c", kill_on_drop: false }`
[INFO] [stderr]    Compiling brainfuck v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `is_start`
[INFO] [stdout]   --> src/main.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn is_start(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "327cacf4f2784d4855d896d0a7043e1aa6ed27a8474ad4bb618e66bea444175c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "327cacf4f2784d4855d896d0a7043e1aa6ed27a8474ad4bb618e66bea444175c", kill_on_drop: false }`
[INFO] [stdout] 327cacf4f2784d4855d896d0a7043e1aa6ed27a8474ad4bb618e66bea444175c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] fa29f6ec39ecd0824256aaaa40a0cbab0478246e807ddfe2556c0de875d2c5d5
[INFO] running `Command { std: "docker" "start" "-a" "fa29f6ec39ecd0824256aaaa40a0cbab0478246e807ddfe2556c0de875d2c5d5", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: associated function is never used: `is_start`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/main.rs:31:8
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 31 |     fn is_start(&self) -> bool {
[INFO] [stdout] 
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/brainfuck-2da2303d781add52
[INFO] running `Command { std: "docker" "inspect" "fa29f6ec39ecd0824256aaaa40a0cbab0478246e807ddfe2556c0de875d2c5d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa29f6ec39ecd0824256aaaa40a0cbab0478246e807ddfe2556c0de875d2c5d5", kill_on_drop: false }`
[INFO] [stdout] fa29f6ec39ecd0824256aaaa40a0cbab0478246e807ddfe2556c0de875d2c5d5