[INFO] cloning repository https://github.com/yanknvim/brainfuck-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yanknvim/brainfuck-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyanknvim%2Fbrainfuck-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyanknvim%2Fbrainfuck-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 75625c0bbe3b2e08d7504d33a18dffa7b6289299
[INFO] checking yanknvim/brainfuck-rs against try#411f3ca0d8086d5a27e2aaa79b9ff41f53ab2f51 for pr-138844
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyanknvim%2Fbrainfuck-rs" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yanknvim/brainfuck-rs on toolchain 411f3ca0d8086d5a27e2aaa79b9ff41f53ab2f51
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+411f3ca0d8086d5a27e2aaa79b9ff41f53ab2f51" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yanknvim/brainfuck-rs
[INFO] finished tweaking git repo https://github.com/yanknvim/brainfuck-rs
[INFO] tweaked toml for git repo https://github.com/yanknvim/brainfuck-rs written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/yanknvim/brainfuck-rs 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" "+411f3ca0d8086d5a27e2aaa79b9ff41f53ab2f51" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+411f3ca0d8086d5a27e2aaa79b9ff41f53ab2f51" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2292fd47c4e14c583c9bf1d522c54b4591c9f837db8f97c83df6e0c14fd5535c
[INFO] running `Command { std: "docker" "start" "-a" "2292fd47c4e14c583c9bf1d522c54b4591c9f837db8f97c83df6e0c14fd5535c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2292fd47c4e14c583c9bf1d522c54b4591c9f837db8f97c83df6e0c14fd5535c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2292fd47c4e14c583c9bf1d522c54b4591c9f837db8f97c83df6e0c14fd5535c", kill_on_drop: false }`
[INFO] [stdout] 2292fd47c4e14c583c9bf1d522c54b4591c9f837db8f97c83df6e0c14fd5535c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+411f3ca0d8086d5a27e2aaa79b9ff41f53ab2f51" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 442d27d5cde5f00efa9c6a626ebbe579b5f3bd84b2b3166cf4c11a566f408313
[INFO] running `Command { std: "docker" "start" "-a" "442d27d5cde5f00efa9c6a626ebbe579b5f3bd84b2b3166cf4c11a566f408313", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]     Checking brainfuck-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/interpreter.rs:74:13
[INFO] [stdout]    |
[INFO] [stdout] 74 |             _ => {},
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/interpreter.rs:74:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |             Token::PInc => pointer += 1,
[INFO] [stdout]    |             ----------- matches some of the same values
[INFO] [stdout] 41 |             Token::PDec => pointer -= 1,
[INFO] [stdout]    |             ----------- matches some of the same values
[INFO] [stdout] 42 |             Token::Inc => memory[pointer] += 1,
[INFO] [stdout]    |             ---------- matches some of the same values
[INFO] [stdout] 43 |             Token::Dec => memory[pointer] -= 1,
[INFO] [stdout]    |             ---------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 74 |             _ => {},
[INFO] [stdout]    |             ^ ...and 4 other patterns collectively make this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/interpreter.rs:74:13
[INFO] [stdout]    |
[INFO] [stdout] 74 |             _ => {},
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/interpreter.rs:74:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |             Token::PInc => pointer += 1,
[INFO] [stdout]    |             ----------- matches some of the same values
[INFO] [stdout] 41 |             Token::PDec => pointer -= 1,
[INFO] [stdout]    |             ----------- matches some of the same values
[INFO] [stdout] 42 |             Token::Inc => memory[pointer] += 1,
[INFO] [stdout]    |             ---------- matches some of the same values
[INFO] [stdout] 43 |             Token::Dec => memory[pointer] -= 1,
[INFO] [stdout]    |             ---------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 74 |             _ => {},
[INFO] [stdout]    |             ^ ...and 4 other patterns collectively make this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `Command { std: "docker" "inspect" "442d27d5cde5f00efa9c6a626ebbe579b5f3bd84b2b3166cf4c11a566f408313", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "442d27d5cde5f00efa9c6a626ebbe579b5f3bd84b2b3166cf4c11a566f408313", kill_on_drop: false }`
[INFO] [stdout] 442d27d5cde5f00efa9c6a626ebbe579b5f3bd84b2b3166cf4c11a566f408313