[INFO] cloning repository https://github.com/makerio90/roman-numarals
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/makerio90/roman-numarals" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmakerio90%2Froman-numarals", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmakerio90%2Froman-numarals'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bf389be87b78170c6cb37c30238bb01e76012b8d
[INFO] checking makerio90/roman-numarals against try#f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208 for pr-139419
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmakerio90%2Froman-numarals" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/makerio90/roman-numarals on toolchain f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/makerio90/roman-numarals
[INFO] finished tweaking git repo https://github.com/makerio90/roman-numarals
[INFO] tweaked toml for git repo https://github.com/makerio90/roman-numarals written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/makerio90/roman-numarals 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" "+f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7175929927d793a1a30258faca572479507c61b12af45b39b71424994a0eb4c
[INFO] running `Command { std: "docker" "start" "-a" "b7175929927d793a1a30258faca572479507c61b12af45b39b71424994a0eb4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7175929927d793a1a30258faca572479507c61b12af45b39b71424994a0eb4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7175929927d793a1a30258faca572479507c61b12af45b39b71424994a0eb4c", kill_on_drop: false }`
[INFO] [stdout] b7175929927d793a1a30258faca572479507c61b12af45b39b71424994a0eb4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da347f4bdb46cf30d03cd99e71eeb636e9da5ee3f12329d30e9f18e0c09cbd0c
[INFO] running `Command { std: "docker" "start" "-a" "da347f4bdb46cf30d03cd99e71eeb636e9da5ee3f12329d30e9f18e0c09cbd0c", kill_on_drop: false }`
[INFO] [stderr]     Checking roman-numarals v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `roman`
[INFO] [stdout]   --> src/main.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let roman = simplify(roman);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_roman`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `roman`
[INFO] [stdout]   --> src/main.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let roman = simplify(roman);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_roman`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetagYXp0V"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `roman-numarals` (bin "roman-numarals" test) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `roman-numarals` (bin "roman-numarals"); 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208/bin/rustc --crate-name roman_numarals --edition=2021 src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=c1909cb4ace8026c -C extra-filename=-065b0c3f1e123650 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "da347f4bdb46cf30d03cd99e71eeb636e9da5ee3f12329d30e9f18e0c09cbd0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da347f4bdb46cf30d03cd99e71eeb636e9da5ee3f12329d30e9f18e0c09cbd0c", kill_on_drop: false }`
[INFO] [stdout] da347f4bdb46cf30d03cd99e71eeb636e9da5ee3f12329d30e9f18e0c09cbd0c