[INFO] cloning repository https://github.com/camper0008/brainfuck-interpreter-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/camper0008/brainfuck-interpreter-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcamper0008%2Fbrainfuck-interpreter-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcamper0008%2Fbrainfuck-interpreter-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8badeb2f191c15afd1ebed58d44db9d28fdeb712
[INFO] checking camper0008/brainfuck-interpreter-rust against master#c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2 for pr-142712
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcamper0008%2Fbrainfuck-interpreter-rust" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/camper0008/brainfuck-interpreter-rust
[INFO] finished tweaking git repo https://github.com/camper0008/brainfuck-interpreter-rust
[INFO] tweaked toml for git repo https://github.com/camper0008/brainfuck-interpreter-rust written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/camper0008/brainfuck-interpreter-rust on toolchain c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/camper0008/brainfuck-interpreter-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2" "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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af3b7c9ac1fd1d2b429b4c99031b9ffb5caf835ba1f0c2f46fe039315fcd57c0
[INFO] running `Command { std: "docker" "start" "-a" "af3b7c9ac1fd1d2b429b4c99031b9ffb5caf835ba1f0c2f46fe039315fcd57c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af3b7c9ac1fd1d2b429b4c99031b9ffb5caf835ba1f0c2f46fe039315fcd57c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af3b7c9ac1fd1d2b429b4c99031b9ffb5caf835ba1f0c2f46fe039315fcd57c0", kill_on_drop: false }`
[INFO] [stdout] af3b7c9ac1fd1d2b429b4c99031b9ffb5caf835ba1f0c2f46fe039315fcd57c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65c5f4bba02a66dc8d425c78546632fbe13fdaae1e719925707e1fe5627ab366
[INFO] running `Command { std: "docker" "start" "-a" "65c5f4bba02a66dc8d425c78546632fbe13fdaae1e719925707e1fe5627ab366", kill_on_drop: false }`
[INFO] [stderr]     Checking brainfuck-interpreter v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/context.rs:22:15
[INFO] [stdout]    |
[INFO] [stdout] 22 |     for (idx, mut token) in tokens.iter_mut().enumerate() {
[INFO] [stdout]    |               ----^^^^^
[INFO] [stdout]    |               |
[INFO] [stdout]    |               help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/context.rs:29:21
[INFO] [stdout]    |
[INFO] [stdout] 29 |                 let mut tok = loop_tokens.pop().expect("unopened bracket end");
[INFO] [stdout]    |                     ----^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/context.rs:22:15
[INFO] [stdout]    |
[INFO] [stdout] 22 |     for (idx, mut token) in tokens.iter_mut().enumerate() {
[INFO] [stdout]    |               ----^^^^^
[INFO] [stdout]    |               |
[INFO] [stdout]    |               help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/context.rs:29:21
[INFO] [stdout]    |
[INFO] [stdout] 29 |                 let mut tok = loop_tokens.pop().expect("unopened bracket end");
[INFO] [stdout]    |                     ----^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not parse/generate dep info at: /opt/rustwide/target/debug/deps/bf-2f88505bef45c6e4.d
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to write `/opt/rustwide/target/debug/.fingerprint/brainfuck-interpreter-2f88505bef45c6e4/dep-bin-bf`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] running `Command { std: "docker" "inspect" "65c5f4bba02a66dc8d425c78546632fbe13fdaae1e719925707e1fe5627ab366", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65c5f4bba02a66dc8d425c78546632fbe13fdaae1e719925707e1fe5627ab366", kill_on_drop: false }`
[INFO] [stdout] 65c5f4bba02a66dc8d425c78546632fbe13fdaae1e719925707e1fe5627ab366