[INFO] cloning repository https://github.com/stan4cb/rs-brainfuck
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stan4cb/rs-brainfuck" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstan4cb%2Frs-brainfuck", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstan4cb%2Frs-brainfuck'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 364e8f045b1d3b1da9a25d01608b84e5ec663ac1
[INFO] checking stan4cb/rs-brainfuck against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstan4cb%2Frs-brainfuck" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stan4cb/rs-brainfuck on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/stan4cb/rs-brainfuck
[INFO] finished tweaking git repo https://github.com/stan4cb/rs-brainfuck
[INFO] tweaked toml for git repo https://github.com/stan4cb/rs-brainfuck written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/stan4cb/rs-brainfuck already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56a6abc30c19572068527164e27167010f02ccf7ca2435765d27c77f23e10301
[INFO] running `Command { std: "docker" "start" "-a" "56a6abc30c19572068527164e27167010f02ccf7ca2435765d27c77f23e10301", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56a6abc30c19572068527164e27167010f02ccf7ca2435765d27c77f23e10301", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56a6abc30c19572068527164e27167010f02ccf7ca2435765d27c77f23e10301", kill_on_drop: false }`
[INFO] [stdout] 56a6abc30c19572068527164e27167010f02ccf7ca2435765d27c77f23e10301
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ff0370ad17e44d1ea3add28b914aed23c06d07052a6e06afd333388c0ae5cdf
[INFO] running `Command { std: "docker" "start" "-a" "0ff0370ad17e44d1ea3add28b914aed23c06d07052a6e06afd333388c0ae5cdf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking rs-brainfuck v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `brain_luck`
[INFO] [stdout]  --> src/main.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn brain_luck(code: &str, input: Vec<u8>) -> Vec<u8> {
[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 dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "0ff0370ad17e44d1ea3add28b914aed23c06d07052a6e06afd333388c0ae5cdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ff0370ad17e44d1ea3add28b914aed23c06d07052a6e06afd333388c0ae5cdf", kill_on_drop: false }`
[INFO] [stdout] 0ff0370ad17e44d1ea3add28b914aed23c06d07052a6e06afd333388c0ae5cdf