[INFO] cloning repository https://github.com/LonnonDev/Concurrent-BrainFuck
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LonnonDev/Concurrent-BrainFuck" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLonnonDev%2FConcurrent-BrainFuck", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLonnonDev%2FConcurrent-BrainFuck'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d0c31ec443ac4f143f1fe08bc4ac55759961506e
[INFO] checking LonnonDev/Concurrent-BrainFuck against try#2c4e58eac5a232e49065e517c1cf50b2715ccf85 for pr-140283
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLonnonDev%2FConcurrent-BrainFuck" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/LonnonDev/Concurrent-BrainFuck
[INFO] finished tweaking git repo https://github.com/LonnonDev/Concurrent-BrainFuck
[INFO] tweaked toml for git repo https://github.com/LonnonDev/Concurrent-BrainFuck written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/LonnonDev/Concurrent-BrainFuck on toolchain 2c4e58eac5a232e49065e517c1cf50b2715ccf85
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2c4e58eac5a232e49065e517c1cf50b2715ccf85" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/LonnonDev/Concurrent-BrainFuck 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" "+2c4e58eac5a232e49065e517c1cf50b2715ccf85" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2c4e58eac5a232e49065e517c1cf50b2715ccf85" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6352cd5d25d5cd902d5ed5f8fb2e088723d7569c814239165936a27a3313d19
[INFO] running `Command { std: "docker" "start" "-a" "f6352cd5d25d5cd902d5ed5f8fb2e088723d7569c814239165936a27a3313d19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6352cd5d25d5cd902d5ed5f8fb2e088723d7569c814239165936a27a3313d19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6352cd5d25d5cd902d5ed5f8fb2e088723d7569c814239165936a27a3313d19", kill_on_drop: false }`
[INFO] [stdout] f6352cd5d25d5cd902d5ed5f8fb2e088723d7569c814239165936a27a3313d19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2c4e58eac5a232e49065e517c1cf50b2715ccf85" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70c0c1dfafb29f4087603ce042f7edf0d3a1be57f1a530dd1c49111b6e1f29db
[INFO] running `Command { std: "docker" "start" "-a" "70c0c1dfafb29f4087603ce042f7edf0d3a1be57f1a530dd1c49111b6e1f29db", kill_on_drop: false }`
[INFO] [stderr]     Checking concurrent_bf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "70c0c1dfafb29f4087603ce042f7edf0d3a1be57f1a530dd1c49111b6e1f29db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70c0c1dfafb29f4087603ce042f7edf0d3a1be57f1a530dd1c49111b6e1f29db", kill_on_drop: false }`
[INFO] [stdout] 70c0c1dfafb29f4087603ce042f7edf0d3a1be57f1a530dd1c49111b6e1f29db