[INFO] cloning repository https://github.com/mehrati/sudoku_solution [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mehrati/sudoku_solution" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmehrati%2Fsudoku_solution", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmehrati%2Fsudoku_solution'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] bb2eb0dcd28e23f5db86f27940fba6aaf653308a [INFO] building mehrati/sudoku_solution against master#222c5724ecc922fe67815f428c19f82c129d9386 for pr-97334 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmehrati%2Fsudoku_solution" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mehrati/sudoku_solution on toolchain 222c5724ecc922fe67815f428c19f82c129d9386 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mehrati/sudoku_solution [INFO] finished tweaking git repo https://github.com/mehrati/sudoku_solution [INFO] tweaked toml for git repo https://github.com/mehrati/sudoku_solution written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/mehrati/sudoku_solution already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 11c6e352d2bc186547c0d18fc84a15a25b7f2d9476d73748cc2f45c40c42aceb [INFO] running `Command { std: "docker" "start" "-a" "11c6e352d2bc186547c0d18fc84a15a25b7f2d9476d73748cc2f45c40c42aceb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "11c6e352d2bc186547c0d18fc84a15a25b7f2d9476d73748cc2f45c40c42aceb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "11c6e352d2bc186547c0d18fc84a15a25b7f2d9476d73748cc2f45c40c42aceb", kill_on_drop: false }` [INFO] [stdout] 11c6e352d2bc186547c0d18fc84a15a25b7f2d9476d73748cc2f45c40c42aceb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 721be6071eaec3371d733193367992fa31ccd5e34ed6ccb293a8c02457b984a8 [INFO] running `Command { std: "docker" "start" "-a" "721be6071eaec3371d733193367992fa31ccd5e34ed6ccb293a8c02457b984a8", kill_on_drop: false }` [INFO] [stderr] Compiling sudoku_solution v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: type `cell` should have an upper camel case name [INFO] [stdout] --> src/main.rs:10:6 [INFO] [stdout] | [INFO] [stdout] 10 | type cell = Cell; [INFO] [stdout] | ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Cell` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:107:41 [INFO] [stdout] | [INFO] [stdout] 107 | Err(e) => panic!("problem {}",e.description()), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/main.rs:111:13 [INFO] [stdout] | [INFO] [stdout] 111 | Err(e) => panic!("err"), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `arr` [INFO] [stdout] --> src/main.rs:117:13 [INFO] [stdout] | [INFO] [stdout] 117 | let mut arr:[[i32;9];9]= [[0;9];9]; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_arr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:117:9 [INFO] [stdout] | [INFO] [stdout] 117 | let mut arr:[[i32;9];9]= [[0;9];9]; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 17.84s [INFO] running `Command { std: "docker" "inspect" "721be6071eaec3371d733193367992fa31ccd5e34ed6ccb293a8c02457b984a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "721be6071eaec3371d733193367992fa31ccd5e34ed6ccb293a8c02457b984a8", kill_on_drop: false }` [INFO] [stdout] 721be6071eaec3371d733193367992fa31ccd5e34ed6ccb293a8c02457b984a8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 147a7658481ed2ba429a1189c0d72d0ddd4882c7d4fc956281576aa80a4067af [INFO] running `Command { std: "docker" "start" "-a" "147a7658481ed2ba429a1189c0d72d0ddd4882c7d4fc956281576aa80a4067af", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling sudoku_solution v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: type `cell` should have an upper camel case name [INFO] [stdout] --> src/main.rs:10:6 [INFO] [stdout] | [INFO] [stdout] 10 | type cell = Cell; [INFO] [stdout] | ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Cell` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:107:41 [INFO] [stdout] | [INFO] [stdout] 107 | Err(e) => panic!("problem {}",e.description()), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/main.rs:111:13 [INFO] [stdout] | [INFO] [stdout] 111 | Err(e) => panic!("err"), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `arr` [INFO] [stdout] --> src/main.rs:117:13 [INFO] [stdout] | [INFO] [stdout] 117 | let mut arr:[[i32;9];9]= [[0;9];9]; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_arr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:117:9 [INFO] [stdout] | [INFO] [stdout] 117 | let mut arr:[[i32;9];9]= [[0;9];9]; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 37.12s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/sudoku_solution-ccf7fe07bb012d27) [INFO] running `Command { std: "docker" "inspect" "147a7658481ed2ba429a1189c0d72d0ddd4882c7d4fc956281576aa80a4067af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "147a7658481ed2ba429a1189c0d72d0ddd4882c7d4fc956281576aa80a4067af", kill_on_drop: false }` [INFO] [stdout] 147a7658481ed2ba429a1189c0d72d0ddd4882c7d4fc956281576aa80a4067af