[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 beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstan4cb%2Frs-brainfuck" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stan4cb/rs-brainfuck on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", 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-1/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" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52eb556eb8f2c41953f69a6e08dcc470c6e6b0bd5ac48a3ad797280bb332827c
[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" "52eb556eb8f2c41953f69a6e08dcc470c6e6b0bd5ac48a3ad797280bb332827c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52eb556eb8f2c41953f69a6e08dcc470c6e6b0bd5ac48a3ad797280bb332827c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52eb556eb8f2c41953f69a6e08dcc470c6e6b0bd5ac48a3ad797280bb332827c", kill_on_drop: false }`
[INFO] [stdout] 52eb556eb8f2c41953f69a6e08dcc470c6e6b0bd5ac48a3ad797280bb332827c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d58a8a29e97874b333394ceaac5494bb9780c29445a7ee214be1aa0dad25be1b
[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" "d58a8a29e97874b333394ceaac5494bb9780c29445a7ee214be1aa0dad25be1b", 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 1.84s
[INFO] running `Command { std: "docker" "inspect" "d58a8a29e97874b333394ceaac5494bb9780c29445a7ee214be1aa0dad25be1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d58a8a29e97874b333394ceaac5494bb9780c29445a7ee214be1aa0dad25be1b", kill_on_drop: false }`
[INFO] [stdout] d58a8a29e97874b333394ceaac5494bb9780c29445a7ee214be1aa0dad25be1b