[INFO] cloning repository https://github.com/nkoppel/sudoku-solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nkoppel/sudoku-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnkoppel%2Fsudoku-solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnkoppel%2Fsudoku-solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f3d3e3be6823aa8b1c0df59beb9068b54f884d23
[INFO] checking nkoppel/sudoku-solver against try#be699666730c5a1745838222e98e2d85019affdc for pr-134300
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnkoppel%2Fsudoku-solver" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nkoppel/sudoku-solver on toolchain be699666730c5a1745838222e98e2d85019affdc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+be699666730c5a1745838222e98e2d85019affdc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nkoppel/sudoku-solver
[INFO] finished tweaking git repo https://github.com/nkoppel/sudoku-solver
[INFO] tweaked toml for git repo https://github.com/nkoppel/sudoku-solver written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/nkoppel/sudoku-solver 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" "+be699666730c5a1745838222e98e2d85019affdc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+be699666730c5a1745838222e98e2d85019affdc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 21c76bcb67b092f2ca3193e4dcf74ef6ca6530a5e0b6aa40b68546fc01bd10b9
[INFO] running `Command { std: "docker" "start" "-a" "21c76bcb67b092f2ca3193e4dcf74ef6ca6530a5e0b6aa40b68546fc01bd10b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21c76bcb67b092f2ca3193e4dcf74ef6ca6530a5e0b6aa40b68546fc01bd10b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21c76bcb67b092f2ca3193e4dcf74ef6ca6530a5e0b6aa40b68546fc01bd10b9", kill_on_drop: false }`
[INFO] [stdout] 21c76bcb67b092f2ca3193e4dcf74ef6ca6530a5e0b6aa40b68546fc01bd10b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+be699666730c5a1745838222e98e2d85019affdc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78ae28231a6c5aa84079dea1633db97b889dde4c0f6dfdb25f29f6af55d61769
[INFO] running `Command { std: "docker" "start" "-a" "78ae28231a6c5aa84079dea1633db97b889dde4c0f6dfdb25f29f6af55d61769", kill_on_drop: false }`
[INFO] [stderr]     Checking sudoku-solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/solve.rs:105:14
[INFO] [stdout]     |
[INFO] [stdout] 105 |     board |= (board >> 3);
[INFO] [stdout]     |              ^          ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 105 -     board |= (board >> 3);
[INFO] [stdout] 105 +     board |= board >> 3;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/solve.rs:108:14
[INFO] [stdout]     |
[INFO] [stdout] 108 |     board |= (board >> 6);
[INFO] [stdout]     |              ^          ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 108 -     board |= (board >> 6);
[INFO] [stdout] 108 +     board |= board >> 6;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/solve.rs:135:14
[INFO] [stdout]     |
[INFO] [stdout] 135 |     board |= (board >> 27);
[INFO] [stdout]     |              ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 135 -     board |= (board >> 27);
[INFO] [stdout] 135 +     board |= board >> 27;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/solve.rs:138:14
[INFO] [stdout]     |
[INFO] [stdout] 138 |     board |= (board >> 54);
[INFO] [stdout]     |              ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 138 -     board |= (board >> 54);
[INFO] [stdout] 138 +     board |= board >> 54;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/solve.rs:105:14
[INFO] [stdout]     |
[INFO] [stdout] 105 |     board |= (board >> 3);
[INFO] [stdout]     |              ^          ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 105 -     board |= (board >> 3);
[INFO] [stdout] 105 +     board |= board >> 3;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/solve.rs:108:14
[INFO] [stdout]     |
[INFO] [stdout] 108 |     board |= (board >> 6);
[INFO] [stdout]     |              ^          ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 108 -     board |= (board >> 6);
[INFO] [stdout] 108 +     board |= board >> 6;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/solve.rs:135:14
[INFO] [stdout]     |
[INFO] [stdout] 135 |     board |= (board >> 27);
[INFO] [stdout]     |              ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 135 -     board |= (board >> 27);
[INFO] [stdout] 135 +     board |= board >> 27;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/solve.rs:138:14
[INFO] [stdout]     |
[INFO] [stdout] 138 |     board |= (board >> 54);
[INFO] [stdout]     |              ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 138 -     board |= (board >> 54);
[INFO] [stdout] 138 +     board |= board >> 54;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `groups` is never read
[INFO] [stdout]    --> src/solve.rs:194:5
[INFO] [stdout]     |
[INFO] [stdout] 191 | pub struct Solver {
[INFO] [stdout]     |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 194 |     groups: [u128; 27],
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `groups` is never read
[INFO] [stdout]    --> src/solve.rs:194:5
[INFO] [stdout]     |
[INFO] [stdout] 191 | pub struct Solver {
[INFO] [stdout]     |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 194 |     groups: [u128; 27],
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sudoku-solver` (lib); 5 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/be699666730c5a1745838222e98e2d85019affdc/bin/rustc --crate-name sudoku_solver --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values())' -C metadata=82793fb3daf6bf3b -C extra-filename=-383d2d354b37d19a --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" "78ae28231a6c5aa84079dea1633db97b889dde4c0f6dfdb25f29f6af55d61769", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78ae28231a6c5aa84079dea1633db97b889dde4c0f6dfdb25f29f6af55d61769", kill_on_drop: false }`
[INFO] [stdout] 78ae28231a6c5aa84079dea1633db97b889dde4c0f6dfdb25f29f6af55d61769