[INFO] cloning repository https://github.com/eli-rich/sudokurs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eli-rich/sudokurs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feli-rich%2Fsudokurs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feli-rich%2Fsudokurs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6abda5a7b51ac74737dc7182217cc7aa4e5f1c21 [INFO] checking eli-rich/sudokurs against master#83dcdb3a5dad0ed1e3e1fadc848d3f7727b41aa5 for pr-128425 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feli-rich%2Fsudokurs" "/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/eli-rich/sudokurs on toolchain 83dcdb3a5dad0ed1e3e1fadc848d3f7727b41aa5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+83dcdb3a5dad0ed1e3e1fadc848d3f7727b41aa5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/eli-rich/sudokurs [INFO] finished tweaking git repo https://github.com/eli-rich/sudokurs [INFO] tweaked toml for git repo https://github.com/eli-rich/sudokurs written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/eli-rich/sudokurs 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" "+83dcdb3a5dad0ed1e3e1fadc848d3f7727b41aa5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking eli-rich/sudokurs against try#063c08dd8db6ff113bb809c130456f1781abe72c for pr-128425 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feli-rich%2Fsudokurs" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/eli-rich/sudokurs on toolchain 063c08dd8db6ff113bb809c130456f1781abe72c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+063c08dd8db6ff113bb809c130456f1781abe72c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/eli-rich/sudokurs [INFO] finished tweaking git repo https://github.com/eli-rich/sudokurs [INFO] tweaked toml for git repo https://github.com/eli-rich/sudokurs written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/eli-rich/sudokurs 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" "+063c08dd8db6ff113bb809c130456f1781abe72c" "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 [ERROR] error running command: no output for 300 seconds [INFO] checking eli-rich/sudokurs against try#063c08dd8db6ff113bb809c130456f1781abe72c for pr-128425 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feli-rich%2Fsudokurs" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/eli-rich/sudokurs on toolchain 063c08dd8db6ff113bb809c130456f1781abe72c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+063c08dd8db6ff113bb809c130456f1781abe72c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/eli-rich/sudokurs [INFO] finished tweaking git repo https://github.com/eli-rich/sudokurs [INFO] tweaked toml for git repo https://github.com/eli-rich/sudokurs written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/eli-rich/sudokurs 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" "+063c08dd8db6ff113bb809c130456f1781abe72c" "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-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+063c08dd8db6ff113bb809c130456f1781abe72c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3e103dde2f7b937726e88d3a4bcff934478d224695c1d25aa0a37b8a8d41ac60 [INFO] running `Command { std: "docker" "start" "-a" "3e103dde2f7b937726e88d3a4bcff934478d224695c1d25aa0a37b8a8d41ac60", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3e103dde2f7b937726e88d3a4bcff934478d224695c1d25aa0a37b8a8d41ac60", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3e103dde2f7b937726e88d3a4bcff934478d224695c1d25aa0a37b8a8d41ac60", kill_on_drop: false }` [INFO] [stdout] 3e103dde2f7b937726e88d3a4bcff934478d224695c1d25aa0a37b8a8d41ac60 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+063c08dd8db6ff113bb809c130456f1781abe72c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2d37b5d08a71e8e921e0b5dba4e8ad5d8ad63d27e3f82a2d58116410ce41c1d2 [INFO] running `Command { std: "docker" "start" "-a" "2d37b5d08a71e8e921e0b5dba4e8ad5d8ad63d27e3f82a2d58116410ce41c1d2", kill_on_drop: false }` [INFO] [stderr] Checking sudoku v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::num::NonZeroU8` [INFO] [stdout] --> src/candidates.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::num::NonZeroU8; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::num::NonZeroU8` [INFO] [stdout] --> src/candidates.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::num::NonZeroU8; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `generating` [INFO] [stdout] --> src/candidates.rs:7:66 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn get_candidates(pos: Position, subssections: &Subsections, generating: bool) -> Vec { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_generating` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `generating` [INFO] [stdout] --> src/candidates.rs:7:66 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn get_candidates(pos: Position, subssections: &Subsections, generating: bool) -> Vec { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_generating` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/candidates.rs:40:17 [INFO] [stdout] | [INFO] [stdout] 40 | let mut cell = &mut grid[i][j]; [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: variable does not need to be mutable [INFO] [stdout] --> src/candidates.rs:40:17 [INFO] [stdout] | [INFO] [stdout] 40 | let mut cell = &mut grid[i][j]; [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: variable does not need to be mutable [INFO] [stdout] --> src/solve.rs:47:9 [INFO] [stdout] | [INFO] [stdout] 47 | let mut solutions = 0; [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/solve.rs:76:13 [INFO] [stdout] | [INFO] [stdout] 76 | let mut candidates = should_try.get_mut(&(index as u8)).unwrap(); [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/solve.rs:77:13 [INFO] [stdout] | [INFO] [stdout] 77 | let mut candidate = candidates.pop(); [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/solve.rs:47:9 [INFO] [stdout] | [INFO] [stdout] 47 | let mut solutions = 0; [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0508]: cannot move out of type `[[types::Cell; 9]; 9]`, a non-copy array [INFO] [stdout] --> src/solve.rs:75:24 [INFO] [stdout] | [INFO] [stdout] 75 | let mut cell = grid[row][column]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | cannot move out of here [INFO] [stdout] | move occurs because `grid[_][_]` has type `types::Cell`, which does not implement the `Copy` trait [INFO] [stdout] | [INFO] [stdout] help: consider borrowing here [INFO] [stdout] | [INFO] [stdout] 75 | let mut cell = &grid[row][column]; [INFO] [stdout] | + [INFO] [stdout] help: consider cloning the value if the performance cost is acceptable [INFO] [stdout] | [INFO] [stdout] 75 | let mut cell = grid[row][column].clone(); [INFO] [stdout] | ++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/solve.rs:76:13 [INFO] [stdout] | [INFO] [stdout] 76 | let mut candidates = should_try.get_mut(&(index as u8)).unwrap(); [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/solve.rs:77:13 [INFO] [stdout] | [INFO] [stdout] 77 | let mut candidate = candidates.pop(); [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0508]: cannot move out of type `[[types::Cell; 9]; 9]`, a non-copy array [INFO] [stdout] --> src/solve.rs:75:24 [INFO] [stdout] | [INFO] [stdout] 75 | let mut cell = grid[row][column]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | cannot move out of here [INFO] [stdout] | move occurs because `grid[_][_]` has type `types::Cell`, which does not implement the `Copy` trait [INFO] [stdout] | [INFO] [stdout] help: consider borrowing here [INFO] [stdout] | [INFO] [stdout] 75 | let mut cell = &grid[row][column]; [INFO] [stdout] | + [INFO] [stdout] help: consider cloning the value if the performance cost is acceptable [INFO] [stdout] | [INFO] [stdout] 75 | let mut cell = grid[row][column].clone(); [INFO] [stdout] | ++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `test_subs` [INFO] [stdout] --> src/main.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | let test_subs = load::generate_subsections(&test_grid); [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_subs` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `test_subs` [INFO] [stdout] --> src/main.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | let test_subs = load::generate_subsections(&test_grid); [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_subs` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0508`. [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0508`. [INFO] [stdout] [INFO] [stderr] error: could not compile `sudoku` (bin "sudoku" test) due to 2 previous errors; 7 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `sudoku` (bin "sudoku") due to 2 previous errors; 7 warnings emitted [INFO] running `Command { std: "docker" "inspect" "2d37b5d08a71e8e921e0b5dba4e8ad5d8ad63d27e3f82a2d58116410ce41c1d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2d37b5d08a71e8e921e0b5dba4e8ad5d8ad63d27e3f82a2d58116410ce41c1d2", kill_on_drop: false }` [INFO] [stdout] 2d37b5d08a71e8e921e0b5dba4e8ad5d8ad63d27e3f82a2d58116410ce41c1d2