[INFO] updating cached repository https://github.com/rubenwardy/nonograms
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6ded79853b3c7b305afcf92740fdd20db7c2b4a4
[INFO] testing rubenwardy/nonograms against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frubenwardy%2Fnonograms" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rubenwardy/nonograms on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/rubenwardy/nonograms
[INFO] finished tweaking git repo https://github.com/rubenwardy/nonograms
[INFO] tweaked toml for git repo https://github.com/rubenwardy/nonograms written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/rubenwardy/nonograms already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2e426442ff6c3f583ef93b4d2ba1494f7b86f65f62aa6730e0523bfdfd7047af
[INFO] running `"docker" "start" "-a" "2e426442ff6c3f583ef93b4d2ba1494f7b86f65f62aa6730e0523bfdfd7047af"`
[INFO] [stderr]    Compiling nonogram v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `equals`
[INFO] [stderr]   --> src/board.rs:10:2
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn equals(&self, other: &Board) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set`
[INFO] [stderr]   --> src/board.rs:17:2
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn set(&mut self, x: usize, y: usize, value: bool) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get`
[INFO] [stderr]   --> src/board.rs:21:2
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn get(&self, x: usize, y: usize) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `"docker" "inspect" "2e426442ff6c3f583ef93b4d2ba1494f7b86f65f62aa6730e0523bfdfd7047af"`
[INFO] running `"docker" "rm" "-f" "2e426442ff6c3f583ef93b4d2ba1494f7b86f65f62aa6730e0523bfdfd7047af"`
[INFO] [stdout] 2e426442ff6c3f583ef93b4d2ba1494f7b86f65f62aa6730e0523bfdfd7047af
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 651a43a9a5cf2698be9ffbb9d2bed71f51f4bfe7a745ca05fd63a4a9fe02f79d
[INFO] running `"docker" "start" "-a" "651a43a9a5cf2698be9ffbb9d2bed71f51f4bfe7a745ca05fd63a4a9fe02f79d"`
[INFO] [stderr]    Compiling nonogram v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `equals`
[INFO] [stderr]   --> src/board.rs:10:2
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn equals(&self, other: &Board) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set`
[INFO] [stderr]   --> src/board.rs:17:2
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn set(&mut self, x: usize, y: usize, value: bool) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get`
[INFO] [stderr]   --> src/board.rs:21:2
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn get(&self, x: usize, y: usize) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `"docker" "inspect" "651a43a9a5cf2698be9ffbb9d2bed71f51f4bfe7a745ca05fd63a4a9fe02f79d"`
[INFO] running `"docker" "rm" "-f" "651a43a9a5cf2698be9ffbb9d2bed71f51f4bfe7a745ca05fd63a4a9fe02f79d"`
[INFO] [stdout] 651a43a9a5cf2698be9ffbb9d2bed71f51f4bfe7a745ca05fd63a4a9fe02f79d
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 90cd7074d732960450cb9d9ab9916f63033cc06a31f3fd269663499a48381dda
[INFO] running `"docker" "start" "-a" "90cd7074d732960450cb9d9ab9916f63033cc06a31f3fd269663499a48381dda"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: method is never used: `equals`
[INFO] [stderr]   --> src/board.rs:10:2
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn equals(&self, other: &Board) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set`
[INFO] [stderr]   --> src/board.rs:17:2
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn set(&mut self, x: usize, y: usize, value: bool) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get`
[INFO] [stderr]   --> src/board.rs:21:2
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn get(&self, x: usize, y: usize) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/nonogram-5c0d1b629376a4a8
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "90cd7074d732960450cb9d9ab9916f63033cc06a31f3fd269663499a48381dda"`
[INFO] running `"docker" "rm" "-f" "90cd7074d732960450cb9d9ab9916f63033cc06a31f3fd269663499a48381dda"`
[INFO] [stdout] 90cd7074d732960450cb9d9ab9916f63033cc06a31f3fd269663499a48381dda