[INFO] cloning repository https://github.com/sarvex/red-maelstrom
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sarvex/red-maelstrom" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsarvex%2Fred-maelstrom", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsarvex%2Fred-maelstrom'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8015cf16ed049de8324a0fa063f19c8c5516e755
[INFO] checking sarvex/red-maelstrom against master#16b569057e4d1591b4bee05f10df34000308dedc for pr-127827
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsarvex%2Fred-maelstrom" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sarvex/red-maelstrom on toolchain 16b569057e4d1591b4bee05f10df34000308dedc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16b569057e4d1591b4bee05f10df34000308dedc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sarvex/red-maelstrom
[INFO] finished tweaking git repo https://github.com/sarvex/red-maelstrom
[INFO] tweaked toml for git repo https://github.com/sarvex/red-maelstrom written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sarvex/red-maelstrom 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" "+16b569057e4d1591b4bee05f10df34000308dedc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+16b569057e4d1591b4bee05f10df34000308dedc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 010afb7ff3a84543f9eb2ad7a3bb44ca423180df1901f36618f5f44b5c85c2a4
[INFO] running `Command { std: "docker" "start" "-a" "010afb7ff3a84543f9eb2ad7a3bb44ca423180df1901f36618f5f44b5c85c2a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "010afb7ff3a84543f9eb2ad7a3bb44ca423180df1901f36618f5f44b5c85c2a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "010afb7ff3a84543f9eb2ad7a3bb44ca423180df1901f36618f5f44b5c85c2a4", kill_on_drop: false }`
[INFO] [stdout] 010afb7ff3a84543f9eb2ad7a3bb44ca423180df1901f36618f5f44b5c85c2a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+16b569057e4d1591b4bee05f10df34000308dedc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1905aa47744b6c79a53ec0c6f2f2da632ce2e614d12d9eb45b50c95ee59ff991
[INFO] running `Command { std: "docker" "start" "-a" "1905aa47744b6c79a53ec0c6f2f2da632ce2e614d12d9eb45b50c95ee59ff991", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.75
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]    Compiling serde_json v1.0.117
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.47
[INFO] [stderr]    Compiling serde_derive v1.0.203
[INFO] [stderr]     Checking maelstrom v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.12s
[INFO] running `Command { std: "docker" "inspect" "1905aa47744b6c79a53ec0c6f2f2da632ce2e614d12d9eb45b50c95ee59ff991", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1905aa47744b6c79a53ec0c6f2f2da632ce2e614d12d9eb45b50c95ee59ff991", kill_on_drop: false }`
[INFO] [stdout] 1905aa47744b6c79a53ec0c6f2f2da632ce2e614d12d9eb45b50c95ee59ff991