[INFO] cloning repository https://github.com/sarvex/lol-code-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/lol-code-maelstrom" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsarvex%2Flol-code-maelstrom", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsarvex%2Flol-code-maelstrom'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0e223cbf29e4db96062fb7b7c37e557e774e1c20
[INFO] checking sarvex/lol-code-maelstrom against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsarvex%2Flol-code-maelstrom" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sarvex/lol-code-maelstrom
[INFO] finished tweaking git repo https://github.com/sarvex/lol-code-maelstrom
[INFO] tweaked toml for git repo https://github.com/sarvex/lol-code-maelstrom written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sarvex/lol-code-maelstrom on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sarvex/lol-code-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b4486661952874060c937edfd1dbdcf71fddcb5c3a51aa2ad3f17203aa3204c5
[INFO] running `Command { std: "docker" "start" "-a" "b4486661952874060c937edfd1dbdcf71fddcb5c3a51aa2ad3f17203aa3204c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4486661952874060c937edfd1dbdcf71fddcb5c3a51aa2ad3f17203aa3204c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4486661952874060c937edfd1dbdcf71fddcb5c3a51aa2ad3f17203aa3204c5", kill_on_drop: false }`
[INFO] [stdout] b4486661952874060c937edfd1dbdcf71fddcb5c3a51aa2ad3f17203aa3204c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9696f6a2045c01b2d443c3bc8f392707cd33a3f1bf3f4193de531920657fe535
[INFO] running `Command { std: "docker" "start" "-a" "9696f6a2045c01b2d443c3bc8f392707cd33a3f1bf3f4193de531920657fe535", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.117
[INFO] [stderr]    Compiling syn v2.0.99
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetaCukACY"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serde` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "9696f6a2045c01b2d443c3bc8f392707cd33a3f1bf3f4193de531920657fe535", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9696f6a2045c01b2d443c3bc8f392707cd33a3f1bf3f4193de531920657fe535", kill_on_drop: false }`
[INFO] [stdout] 9696f6a2045c01b2d443c3bc8f392707cd33a3f1bf3f4193de531920657fe535