[INFO] cloning repository https://github.com/jayaram-karthik/reversi-minimax
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jayaram-karthik/reversi-minimax" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjayaram-karthik%2Freversi-minimax", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjayaram-karthik%2Freversi-minimax'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0f663abb751abf49bc145d0c1aa56826e311ea65
[INFO] checking jayaram-karthik/reversi-minimax against master#9f48dedc9763334a587c66558974635807a113ed for pr-137394
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjayaram-karthik%2Freversi-minimax" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jayaram-karthik/reversi-minimax on toolchain 9f48dedc9763334a587c66558974635807a113ed
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f48dedc9763334a587c66558974635807a113ed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jayaram-karthik/reversi-minimax
[INFO] finished tweaking git repo https://github.com/jayaram-karthik/reversi-minimax
[INFO] tweaked toml for git repo https://github.com/jayaram-karthik/reversi-minimax written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jayaram-karthik/reversi-minimax 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" "+9f48dedc9763334a587c66558974635807a113ed" "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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+9f48dedc9763334a587c66558974635807a113ed" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 00618cfb8b8dd0a5a20406e6a9342c34c2537fca2ffab7ad2fe2495d363bf6da
[INFO] running `Command { std: "docker" "start" "-a" "00618cfb8b8dd0a5a20406e6a9342c34c2537fca2ffab7ad2fe2495d363bf6da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00618cfb8b8dd0a5a20406e6a9342c34c2537fca2ffab7ad2fe2495d363bf6da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00618cfb8b8dd0a5a20406e6a9342c34c2537fca2ffab7ad2fe2495d363bf6da", kill_on_drop: false }`
[INFO] [stdout] 00618cfb8b8dd0a5a20406e6a9342c34c2537fca2ffab7ad2fe2495d363bf6da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+9f48dedc9763334a587c66558974635807a113ed" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6339d5299592c61b86191f64997ebc9147bd825f6fe45ead53b5a3521be799f
[INFO] running `Command { std: "docker" "start" "-a" "b6339d5299592c61b86191f64997ebc9147bd825f6fe45ead53b5a3521be799f", kill_on_drop: false }`
[INFO] [stderr]     Checking reversi-minimax v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `CellState`
[INFO] [stdout]  --> src/ai.rs:1:36
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::reversi::{ReversiBoard, CellState};
[INFO] [stdout]   |                                    ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `CellState`
[INFO] [stdout]  --> src/ai.rs:1:36
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::reversi::{ReversiBoard, CellState};
[INFO] [stdout]   |                                    ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `max` and `min`
[INFO] [stdout]  --> src/ai.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cmp::{max, min};
[INFO] [stdout]   |                ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `max` and `min`
[INFO] [stdout]  --> src/ai.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cmp::{max, min};
[INFO] [stdout]   |                ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `reversi-minimax` (bin "reversi-minimax" test); 2 warnings 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/9f48dedc9763334a587c66558974635807a113ed/bin/rustc --crate-name reversi_minimax --edition=2021 src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=ceaf9475008ac744 -C extra-filename=-bca578071a1e66e9 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `reversi-minimax` (bin "reversi-minimax"); 2 warnings 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/9f48dedc9763334a587c66558974635807a113ed/bin/rustc --crate-name reversi_minimax --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=16ae72a7b132f4db -C extra-filename=-d5572db43f8071f3 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 0)
[INFO] running `Command { std: "docker" "inspect" "b6339d5299592c61b86191f64997ebc9147bd825f6fe45ead53b5a3521be799f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6339d5299592c61b86191f64997ebc9147bd825f6fe45ead53b5a3521be799f", kill_on_drop: false }`
[INFO] [stdout] b6339d5299592c61b86191f64997ebc9147bd825f6fe45ead53b5a3521be799f