[INFO] cloning repository https://github.com/mkurth/rustysodoku
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mkurth/rustysodoku" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkurth%2Frustysodoku", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkurth%2Frustysodoku'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 29feba7bfa8914629753c1752bc4b8beb97fd78b
[INFO] checking mkurth/rustysodoku against master#419b3e2d3e350822550eee0e82eeded4d324d584 for pr-135536
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkurth%2Frustysodoku" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mkurth/rustysodoku on toolchain 419b3e2d3e350822550eee0e82eeded4d324d584
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+419b3e2d3e350822550eee0e82eeded4d324d584" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mkurth/rustysodoku
[INFO] finished tweaking git repo https://github.com/mkurth/rustysodoku
[INFO] tweaked toml for git repo https://github.com/mkurth/rustysodoku written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mkurth/rustysodoku 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" "+419b3e2d3e350822550eee0e82eeded4d324d584" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+419b3e2d3e350822550eee0e82eeded4d324d584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61fd1a51d54169a2f8c82eec82683a66d869dfe7067faf7464b0bb3ee7508c2d
[INFO] running `Command { std: "docker" "start" "-a" "61fd1a51d54169a2f8c82eec82683a66d869dfe7067faf7464b0bb3ee7508c2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61fd1a51d54169a2f8c82eec82683a66d869dfe7067faf7464b0bb3ee7508c2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61fd1a51d54169a2f8c82eec82683a66d869dfe7067faf7464b0bb3ee7508c2d", kill_on_drop: false }`
[INFO] [stdout] 61fd1a51d54169a2f8c82eec82683a66d869dfe7067faf7464b0bb3ee7508c2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+419b3e2d3e350822550eee0e82eeded4d324d584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e8e8f1bbad93862c5871ad92a5ff50c9cf6e0189c87cf59f4f54ac186ec4bb1
[INFO] running `Command { std: "docker" "start" "-a" "3e8e8f1bbad93862c5871ad92a5ff50c9cf6e0189c87cf59f4f54ac186ec4bb1", kill_on_drop: false }`
[INFO] [stderr]     Checking rustysodoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `cells`
[INFO] [stdout]   --> src/solver.rs:10:27
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn zip_with_all_solutions(cells: Vec<Vec<Cell>>) -> Vec<Vec<(Cell, Vec<usize>)>> {
[INFO] [stdout]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_cells`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cells`
[INFO] [stdout]   --> src/solver.rs:14:32
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn reduce_impossible_solutions(cells: Vec<Vec<(Cell, Vec<usize>)>>) -> Vec<Vec<(Cell, Vec<usize>)>> {
[INFO] [stdout]    |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_cells`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cells`
[INFO] [stdout]   --> src/solver.rs:18:29
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn reduce_possible_solution(cells: Vec<Vec<(Cell, Vec<usize>)>>) -> Vec<Vec<(Cell, Vec<usize>)>> {
[INFO] [stdout]    |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_cells`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `zip_with_all_solutions` is never used
[INFO] [stdout]   --> src/solver.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn zip_with_all_solutions(cells: Vec<Vec<Cell>>) -> Vec<Vec<(Cell, Vec<usize>)>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `reduce_impossible_solutions` is never used
[INFO] [stdout]   --> src/solver.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn reduce_impossible_solutions(cells: Vec<Vec<(Cell, Vec<usize>)>>) -> Vec<Vec<(Cell, Vec<usize>)>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `reduce_possible_solution` is never used
[INFO] [stdout]   --> src/solver.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn reduce_possible_solution(cells: Vec<Vec<(Cell, Vec<usize>)>>) -> Vec<Vec<(Cell, Vec<usize>)>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: failed to write to `/opt/rustwide/target/debug/deps/rmetat9CYQM/lib.rmeta`: No space left on device (os error 28)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cells`
[INFO] [stdout]   --> src/solver.rs:10:27
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn zip_with_all_solutions(cells: Vec<Vec<Cell>>) -> Vec<Vec<(Cell, Vec<usize>)>> {
[INFO] [stdout]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_cells`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cells`
[INFO] [stdout]   --> src/solver.rs:14:32
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn reduce_impossible_solutions(cells: Vec<Vec<(Cell, Vec<usize>)>>) -> Vec<Vec<(Cell, Vec<usize>)>> {
[INFO] [stdout]    |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_cells`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustysodoku` (lib) due to 1 previous error; 6 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rustysodoku` (lib 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/419b3e2d3e350822550eee0e82eeded4d324d584/bin/rustc --crate-name rustysodoku --edition=2018 src/lib.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=23fead409a647326 -C extra-filename=-39458851728d63ad --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" "3e8e8f1bbad93862c5871ad92a5ff50c9cf6e0189c87cf59f4f54ac186ec4bb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e8e8f1bbad93862c5871ad92a5ff50c9cf6e0189c87cf59f4f54ac186ec4bb1", kill_on_drop: false }`
[INFO] [stdout] 3e8e8f1bbad93862c5871ad92a5ff50c9cf6e0189c87cf59f4f54ac186ec4bb1