[INFO] cloning repository https://github.com/brahmlower/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/brahmlower/sudoku-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrahmlower%2Fsudoku-solver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrahmlower%2Fsudoku-solver'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 00a0e3a4c9dc281b03d74bcd8a0a01cbd7e56623 [INFO] checking brahmlower/sudoku-solver against master#c3def263a44e07e09ae6d57abfc8650227fb4972 for pr-118833 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrahmlower%2Fsudoku-solver" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/brahmlower/sudoku-solver on toolchain c3def263a44e07e09ae6d57abfc8650227fb4972 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c3def263a44e07e09ae6d57abfc8650227fb4972" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/brahmlower/sudoku-solver [INFO] finished tweaking git repo https://github.com/brahmlower/sudoku-solver [INFO] tweaked toml for git repo https://github.com/brahmlower/sudoku-solver written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/brahmlower/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" "+c3def263a44e07e09ae6d57abfc8650227fb4972" "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 brahmlower/sudoku-solver against try#29596578cb5035fa2b7ac7fbdfea23fab38836e7 for pr-118833 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrahmlower%2Fsudoku-solver" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/brahmlower/sudoku-solver on toolchain 29596578cb5035fa2b7ac7fbdfea23fab38836e7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+29596578cb5035fa2b7ac7fbdfea23fab38836e7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/brahmlower/sudoku-solver [INFO] finished tweaking git repo https://github.com/brahmlower/sudoku-solver [INFO] tweaked toml for git repo https://github.com/brahmlower/sudoku-solver written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/brahmlower/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" "+29596578cb5035fa2b7ac7fbdfea23fab38836e7" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+29596578cb5035fa2b7ac7fbdfea23fab38836e7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c56306647a36d7b9f0c3c5e73dcea86cab2ae033abdac77da08a3a5ddb87bb43 [INFO] running `Command { std: "docker" "start" "-a" "c56306647a36d7b9f0c3c5e73dcea86cab2ae033abdac77da08a3a5ddb87bb43", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c56306647a36d7b9f0c3c5e73dcea86cab2ae033abdac77da08a3a5ddb87bb43", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c56306647a36d7b9f0c3c5e73dcea86cab2ae033abdac77da08a3a5ddb87bb43", kill_on_drop: false }` [INFO] [stdout] c56306647a36d7b9f0c3c5e73dcea86cab2ae033abdac77da08a3a5ddb87bb43 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+29596578cb5035fa2b7ac7fbdfea23fab38836e7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4468a05e2ec61e0421541e9117f397ff431a42f5b4c5f180a8839602873a15c5 [INFO] running `Command { std: "docker" "start" "-a" "4468a05e2ec61e0421541e9117f397ff431a42f5b4c5f180a8839602873a15c5", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking colored v2.0.0 [INFO] [stderr] Checking sudoku-solver v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `collections::HashSet` [INFO] [stdout] --> src/cell.rs:2:16 [INFO] [stdout] | [INFO] [stdout] 2 | use std::{fmt, collections::HashSet}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::diff::ScalarDiffFragment` [INFO] [stdout] --> src/cell.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use crate::diff::ScalarDiffFragment; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::diff::Diff` [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use crate::diff::Diff; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `collections::HashSet` [INFO] [stdout] --> src/cell.rs:2:16 [INFO] [stdout] | [INFO] [stdout] 2 | use std::{fmt, collections::HashSet}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::diff::ScalarDiffFragment` [INFO] [stdout] --> src/cell.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use crate::diff::ScalarDiffFragment; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::diff::Diff` [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use crate::diff::Diff; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `cells_to_values` is never used [INFO] [stdout] --> src/main.rs:27:4 [INFO] [stdout] | [INFO] [stdout] 27 | fn cells_to_values(cells: Vec<&Cell>) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `get_cells`, `get_cell`, `get_cell_mut`, `collapse_cell`, and `unsolved_indexes` are never used [INFO] [stdout] --> src/main.rs:35:8 [INFO] [stdout] | [INFO] [stdout] 34 | impl Board { [INFO] [stdout] | ---------- associated items in this implementation [INFO] [stdout] 35 | fn new(cells: [Cell; 81]) -> Board { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 69 | fn get_cells(&self, indexes: &Vec) -> Vec<&Cell> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 76 | pub fn get_cell(&self, index: &BoardIndex) -> &Cell { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 80 | pub fn get_cell_mut(&mut self, index: &BoardIndex) -> &mut Cell { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 84 | pub fn collapse_cell(&mut self, index: &BoardIndex) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 120 | pub fn unsolved_indexes(&self) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `c` is never used [INFO] [stdout] --> src/main.rs:132:4 [INFO] [stdout] | [INFO] [stdout] 132 | fn c(index: u8, value: u8) -> Cell { [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `i` is never used [INFO] [stdout] --> src/main.rs:137:4 [INFO] [stdout] | [INFO] [stdout] 137 | fn i(index: u8, value: u8) -> Cell { [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `changed_value` and `added_options` are never used [INFO] [stdout] --> src/cell.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 15 | impl CellFragmentBuilder { [INFO] [stdout] | ------------------------ methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 20 | pub fn changed_value(&mut self, old: Option, new: Option) -> &mut CellFragmentBuilder { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 37 | pub fn added_options(&mut self, added: Vec) -> &mut CellFragmentBuilder { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `cells_to_values` is never used [INFO] [stdout] --> src/main.rs:27:4 [INFO] [stdout] | [INFO] [stdout] 27 | fn cells_to_values(cells: Vec<&Cell>) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `get_cells`, `get_cell`, `get_cell_mut`, `collapse_cell`, and `unsolved_indexes` are never used [INFO] [stdout] --> src/main.rs:35:8 [INFO] [stdout] | [INFO] [stdout] 34 | impl Board { [INFO] [stdout] | ---------- associated items in this implementation [INFO] [stdout] 35 | fn new(cells: [Cell; 81]) -> Board { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 69 | fn get_cells(&self, indexes: &Vec) -> Vec<&Cell> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 76 | pub fn get_cell(&self, index: &BoardIndex) -> &Cell { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 80 | pub fn get_cell_mut(&mut self, index: &BoardIndex) -> &mut Cell { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 84 | pub fn collapse_cell(&mut self, index: &BoardIndex) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 120 | pub fn unsolved_indexes(&self) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `c` is never used [INFO] [stdout] --> src/main.rs:132:4 [INFO] [stdout] | [INFO] [stdout] 132 | fn c(index: u8, value: u8) -> Cell { [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `i` is never used [INFO] [stdout] --> src/main.rs:137:4 [INFO] [stdout] | [INFO] [stdout] 137 | fn i(index: u8, value: u8) -> Cell { [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `changed_value` and `added_options` are never used [INFO] [stdout] --> src/cell.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 15 | impl CellFragmentBuilder { [INFO] [stdout] | ------------------------ methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 20 | pub fn changed_value(&mut self, old: Option, new: Option) -> &mut CellFragmentBuilder { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 37 | pub fn added_options(&mut self, added: Vec) -> &mut CellFragmentBuilder { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.80s [INFO] running `Command { std: "docker" "inspect" "4468a05e2ec61e0421541e9117f397ff431a42f5b4c5f180a8839602873a15c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4468a05e2ec61e0421541e9117f397ff431a42f5b4c5f180a8839602873a15c5", kill_on_drop: false }` [INFO] [stdout] 4468a05e2ec61e0421541e9117f397ff431a42f5b4c5f180a8839602873a15c5