[INFO] cloning repository https://github.com/phillyphil91/maelstrom_challange
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/phillyphil91/maelstrom_challange" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphillyphil91%2Fmaelstrom_challange", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphillyphil91%2Fmaelstrom_challange'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 845f3750983c0aaedefb999382851b11288b86dd
[INFO] checking phillyphil91/maelstrom_challange against try#a3dffdb3a32d0dedc198f9de7d43173f3eb6727b for pr-136303
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphillyphil91%2Fmaelstrom_challange" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/phillyphil91/maelstrom_challange on toolchain a3dffdb3a32d0dedc198f9de7d43173f3eb6727b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/phillyphil91/maelstrom_challange
[INFO] finished tweaking git repo https://github.com/phillyphil91/maelstrom_challange
[INFO] tweaked toml for git repo https://github.com/phillyphil91/maelstrom_challange written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/phillyphil91/maelstrom_challange 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" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6fa12d31c920f7c9e361c40c30a0b15814a960fdc5eeaf52a517bcd6ad8274f
[INFO] running `Command { std: "docker" "start" "-a" "a6fa12d31c920f7c9e361c40c30a0b15814a960fdc5eeaf52a517bcd6ad8274f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6fa12d31c920f7c9e361c40c30a0b15814a960fdc5eeaf52a517bcd6ad8274f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6fa12d31c920f7c9e361c40c30a0b15814a960fdc5eeaf52a517bcd6ad8274f", kill_on_drop: false }`
[INFO] [stdout] a6fa12d31c920f7c9e361c40c30a0b15814a960fdc5eeaf52a517bcd6ad8274f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 759326e024b7ac900d1205d77373c1e21306da1346d4edc90945af5a99d648ac
[INFO] running `Command { std: "docker" "start" "-a" "759326e024b7ac900d1205d77373c1e21306da1346d4edc90945af5a99d648ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde v1.0.171
[INFO] [stderr]    Compiling serde_json v1.0.103
[INFO] [stderr]    Compiling anyhow v1.0.72
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling quote v1.0.31
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking uuid v1.4.1
[INFO] [stderr]    Compiling syn v2.0.26
[INFO] [stderr]     Checking blob-uuid v0.5.0
[INFO] [stderr]     Checking unique_id v0.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.171
[INFO] [stderr]     Checking maelstrom_challenge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.26s
[INFO] running `Command { std: "docker" "inspect" "759326e024b7ac900d1205d77373c1e21306da1346d4edc90945af5a99d648ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "759326e024b7ac900d1205d77373c1e21306da1346d4edc90945af5a99d648ac", kill_on_drop: false }`
[INFO] [stdout] 759326e024b7ac900d1205d77373c1e21306da1346d4edc90945af5a99d648ac