[INFO] cloning repository https://github.com/Loptall/brainfuck
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Loptall/brainfuck" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLoptall%2Fbrainfuck", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLoptall%2Fbrainfuck'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c0a248737e4a1aaad689e31729337c580d64cc23
[INFO] checking Loptall/brainfuck against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLoptall%2Fbrainfuck" "/workspace/builds/worker-112/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-112/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Loptall/brainfuck on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Loptall/brainfuck
[INFO] finished tweaking git repo https://github.com/Loptall/brainfuck
[INFO] tweaked toml for git repo https://github.com/Loptall/brainfuck written to /workspace/builds/worker-112/source/Cargo.toml
[INFO] crate git repo https://github.com/Loptall/brainfuck already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a5e67b154421b27d4d6355111632ef5ac2433e27c1540346aab2078b31a4de4
[INFO] running `Command { std: "docker" "start" "-a" "2a5e67b154421b27d4d6355111632ef5ac2433e27c1540346aab2078b31a4de4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a5e67b154421b27d4d6355111632ef5ac2433e27c1540346aab2078b31a4de4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a5e67b154421b27d4d6355111632ef5ac2433e27c1540346aab2078b31a4de4", kill_on_drop: false }`
[INFO] [stdout] 2a5e67b154421b27d4d6355111632ef5ac2433e27c1540346aab2078b31a4de4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2ac0cdf8460aca59c3932e3e9c246971e9255a22996540aac6de3b23c9c4c90
[INFO] running `Command { std: "docker" "start" "-a" "a2ac0cdf8460aca59c3932e3e9c246971e9255a22996540aac6de3b23c9c4c90", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking brainfuck v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `StdinLock` that must be used
[INFO] [stdout]   --> src/buffer.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |         h.lock();
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if unused stdin will immediately unlock
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `StdinLock` that must be used
[INFO] [stdout]   --> src/buffer.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |         h.lock();
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if unused stdin will immediately unlock
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.47s
[INFO] running `Command { std: "docker" "inspect" "a2ac0cdf8460aca59c3932e3e9c246971e9255a22996540aac6de3b23c9c4c90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2ac0cdf8460aca59c3932e3e9c246971e9255a22996540aac6de3b23c9c4c90", kill_on_drop: false }`
[INFO] [stdout] a2ac0cdf8460aca59c3932e3e9c246971e9255a22996540aac6de3b23c9c4c90