[INFO] cloning repository https://github.com/ismailtzn/rust_leetcode
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ismailtzn/rust_leetcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fismailtzn%2Frust_leetcode", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fismailtzn%2Frust_leetcode'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 666f2baaa06ff5b688188632fc876bf4b6fb8348
[INFO] testing ismailtzn/rust_leetcode against beta-2026-04-21 for beta-1.96-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fismailtzn%2Frust_leetcode" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ismailtzn/rust_leetcode
[INFO] finished tweaking git repo https://github.com/ismailtzn/rust_leetcode
[INFO] tweaked toml for git repo https://github.com/ismailtzn/rust_leetcode written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ismailtzn/rust_leetcode on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ismailtzn/rust_leetcode 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" "+beta-2026-04-21" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ceaee6860632a075c43546ed55863c1c37b88a597b4c14229a9027bf81df98e8
[INFO] running `Command { std: "docker" "start" "-a" "ceaee6860632a075c43546ed55863c1c37b88a597b4c14229a9027bf81df98e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ceaee6860632a075c43546ed55863c1c37b88a597b4c14229a9027bf81df98e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ceaee6860632a075c43546ed55863c1c37b88a597b4c14229a9027bf81df98e8", kill_on_drop: false }`
[INFO] [stdout] ceaee6860632a075c43546ed55863c1c37b88a597b4c14229a9027bf81df98e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac63de529245b34a59ec56e3954ad61a2c6a0c3818e9ba4f9a47bfdf4169c496
[INFO] running `Command { std: "docker" "start" "-a" "ac63de529245b34a59ec56e3954ad61a2c6a0c3818e9ba4f9a47bfdf4169c496", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_leetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "ac63de529245b34a59ec56e3954ad61a2c6a0c3818e9ba4f9a47bfdf4169c496", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac63de529245b34a59ec56e3954ad61a2c6a0c3818e9ba4f9a47bfdf4169c496", kill_on_drop: false }`
[INFO] [stdout] ac63de529245b34a59ec56e3954ad61a2c6a0c3818e9ba4f9a47bfdf4169c496
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77206e0955a5b63657d9f472b8c78e1852d01587b1eb74084cc4200e4647bffc
[INFO] running `Command { std: "docker" "start" "-a" "77206e0955a5b63657d9f472b8c78e1852d01587b1eb74084cc4200e4647bffc", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_leetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stderr] error: could not compile `rust_leetcode` (lib test)
[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/beta-2026-04-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name rust_leetcode --edition=2021 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=3512716d4f543589 -C extra-filename=-ac9268679d3c12fc --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "77206e0955a5b63657d9f472b8c78e1852d01587b1eb74084cc4200e4647bffc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77206e0955a5b63657d9f472b8c78e1852d01587b1eb74084cc4200e4647bffc", kill_on_drop: false }`
[INFO] [stdout] 77206e0955a5b63657d9f472b8c78e1852d01587b1eb74084cc4200e4647bffc