[INFO] cloning repository https://github.com/Miksu82/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/Miksu82/sudoku-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMiksu82%2Fsudoku-solver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMiksu82%2Fsudoku-solver'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e9dd00479f14b8ec753062cfd48111e7fa9383a1 [INFO] testing Miksu82/sudoku-solver against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMiksu82%2Fsudoku-solver" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Miksu82/sudoku-solver on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Miksu82/sudoku-solver [INFO] finished tweaking git repo https://github.com/Miksu82/sudoku-solver [INFO] tweaked toml for git repo https://github.com/Miksu82/sudoku-solver written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/Miksu82/sudoku-solver already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] d3772757a7134232520ba91371b04476bfdab86ee960e34b20a4e5da00da5598 [INFO] running `Command { std: "docker" "start" "-a" "d3772757a7134232520ba91371b04476bfdab86ee960e34b20a4e5da00da5598", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d3772757a7134232520ba91371b04476bfdab86ee960e34b20a4e5da00da5598", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d3772757a7134232520ba91371b04476bfdab86ee960e34b20a4e5da00da5598", kill_on_drop: false }` [INFO] [stdout] d3772757a7134232520ba91371b04476bfdab86ee960e34b20a4e5da00da5598 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 656fb7dc961e8057e6c06db52fa90b13d68e114405e229ee12b9910daaecf4cb [INFO] running `Command { std: "docker" "start" "-a" "656fb7dc961e8057e6c06db52fa90b13d68e114405e229ee12b9910daaecf4cb", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.99 [INFO] [stderr] Compiling indexmap v1.1.0 [INFO] [stderr] Compiling regex-syntax v0.6.11 [INFO] [stderr] Compiling array-init v0.1.0 [INFO] [stderr] Compiling crossbeam-utils v0.6.6 [INFO] [stderr] Compiling want v0.2.0 [INFO] [stderr] Compiling mio v0.6.19 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling tokio-io v0.1.12 [INFO] [stderr] Compiling openssl v0.10.24 [INFO] [stderr] Compiling tokio-executor v0.1.8 [INFO] [stderr] Compiling crossbeam-epoch v0.7.2 [INFO] [stderr] Compiling crossbeam-queue v0.1.2 [INFO] [stderr] Compiling h2 v0.1.26 [INFO] [stderr] Compiling tokio-timer v0.2.11 [INFO] [stderr] Compiling tokio-current-thread v0.1.6 [INFO] [stderr] Compiling crossbeam-deque v0.7.1 [INFO] [stderr] Compiling tokio-reactor v0.1.9 [INFO] [stderr] Compiling tokio-threadpool v0.1.15 [INFO] [stderr] Compiling tokio-tcp v0.1.3 [INFO] [stderr] Compiling tokio v0.1.22 [INFO] [stderr] Compiling native-tls v0.2.3 [INFO] [stderr] Compiling regex v1.2.1 [INFO] [stderr] Compiling serde_derive v1.0.99 [INFO] [stderr] Compiling hyper v0.12.33 [INFO] [stderr] Compiling publicsuffix v1.5.2 [INFO] [stderr] Compiling hyper-tls v0.3.2 [INFO] [stderr] Compiling serde_json v1.0.40 [INFO] [stderr] Compiling serde_urlencoded v0.5.5 [INFO] [stderr] Compiling cookie_store v0.7.0 [INFO] [stderr] Compiling reqwest v0.9.20 [INFO] [stderr] Compiling sudoku-solver v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `response` [INFO] [stdout] --> src/sudoku/get.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | response: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `SudokuResponse` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/sudoku/get.rs:13:23 [INFO] [stdout] | [INFO] [stdout] 13 | #[derive(Deserialize, Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `size` [INFO] [stdout] --> src/sudoku/get.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | size: u8, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `SudokuResponse` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/sudoku/get.rs:13:23 [INFO] [stdout] | [INFO] [stdout] 13 | #[derive(Deserialize, Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 29s [INFO] running `Command { std: "docker" "inspect" "656fb7dc961e8057e6c06db52fa90b13d68e114405e229ee12b9910daaecf4cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "656fb7dc961e8057e6c06db52fa90b13d68e114405e229ee12b9910daaecf4cb", kill_on_drop: false }` [INFO] [stdout] 656fb7dc961e8057e6c06db52fa90b13d68e114405e229ee12b9910daaecf4cb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b74d3275e5417f482b4938c89dab42edb9e98e8a9167a581738ec10b90b5f9ba [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "b74d3275e5417f482b4938c89dab42edb9e98e8a9167a581738ec10b90b5f9ba", kill_on_drop: false }` [INFO] [stderr] Compiling time-test v0.2.1 [INFO] [stderr] Compiling sudoku-solver v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `response` [INFO] [stdout] --> src/sudoku/get.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | response: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `SudokuResponse` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/sudoku/get.rs:13:23 [INFO] [stdout] | [INFO] [stdout] 13 | #[derive(Deserialize, Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `size` [INFO] [stdout] --> src/sudoku/get.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | size: u8, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `SudokuResponse` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/sudoku/get.rs:13:23 [INFO] [stdout] | [INFO] [stdout] 13 | #[derive(Deserialize, Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 4.86s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/sudoku_solver-98123e02a5bc72f0) [INFO] running `Command { std: "docker" "inspect" "b74d3275e5417f482b4938c89dab42edb9e98e8a9167a581738ec10b90b5f9ba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b74d3275e5417f482b4938c89dab42edb9e98e8a9167a581738ec10b90b5f9ba", kill_on_drop: false }` [INFO] [stdout] b74d3275e5417f482b4938c89dab42edb9e98e8a9167a581738ec10b90b5f9ba [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 3e6cfa3f856998a381a34fac212151e136f97d1c75cbf1e6e63b493c06a7dda8 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "3e6cfa3f856998a381a34fac212151e136f97d1c75cbf1e6e63b493c06a7dda8", kill_on_drop: false }` [INFO] [stderr] warning: field is never read: `response` [INFO] [stderr] --> src/sudoku/get.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | response: bool, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] note: `SudokuResponse` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/sudoku/get.rs:13:23 [INFO] [stderr] | [INFO] [stderr] 13 | #[derive(Deserialize, Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: field is never read: `size` [INFO] [stderr] --> src/sudoku/get.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | size: u8, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `SudokuResponse` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/sudoku/get.rs:13:23 [INFO] [stderr] | [INFO] [stderr] 13 | #[derive(Deserialize, Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: `sudoku-solver` (bin "sudoku-solver" test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.18s [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/sudoku_solver-98123e02a5bc72f0) [INFO] [stdout] running 2 tests [INFO] [stdout] test sudoku::solver::tests::test_solve ... ok [INFO] [stdout] test sudoku::solver::tests::test_may_take_long_time_to_solve ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.28s [INFO] [stdout] [INFO] [stderr] (took PT0.017348853S) (took PT0.270898095S) [INFO] running `Command { std: "docker" "inspect" "3e6cfa3f856998a381a34fac212151e136f97d1c75cbf1e6e63b493c06a7dda8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3e6cfa3f856998a381a34fac212151e136f97d1c75cbf1e6e63b493c06a7dda8", kill_on_drop: false }` [INFO] [stdout] 3e6cfa3f856998a381a34fac212151e136f97d1c75cbf1e6e63b493c06a7dda8