[INFO] cloning repository https://github.com/rubenwardy/nonograms
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rubenwardy/nonograms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frubenwardy%2Fnonograms", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frubenwardy%2Fnonograms'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6ded79853b3c7b305afcf92740fdd20db7c2b4a4
[INFO] checking rubenwardy/nonograms against try#353a0a223066e9f46a1d935f2271a26c3c5002bb for pr-75180
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frubenwardy%2Fnonograms" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rubenwardy/nonograms on toolchain 353a0a223066e9f46a1d935f2271a26c3c5002bb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-6/source/Cargo.toml
[INFO] crate git repo https://github.com/rubenwardy/nonograms already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12351df949fd26ee25f4beb53126687dca8dd92d6cce3fc40ff053777f28ba8a
[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" "12351df949fd26ee25f4beb53126687dca8dd92d6cce3fc40ff053777f28ba8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12351df949fd26ee25f4beb53126687dca8dd92d6cce3fc40ff053777f28ba8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12351df949fd26ee25f4beb53126687dca8dd92d6cce3fc40ff053777f28ba8a", kill_on_drop: false }`
[INFO] [stdout] 12351df949fd26ee25f4beb53126687dca8dd92d6cce3fc40ff053777f28ba8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6667c52b6093bd6555c155f42c3a7f619fa9424105d2ced8688f934e6d10e43a
[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" "6667c52b6093bd6555c155f42c3a7f619fa9424105d2ced8688f934e6d10e43a", kill_on_drop: false }`
[INFO] [stderr]     Checking nonogram v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `equals`
[INFO] [stdout]   --> src/board.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn equals(&self, other: &Board) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set`
[INFO] [stdout]   --> src/board.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn set(&mut self, x: usize, y: usize, value: bool) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]   --> src/board.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn get(&self, x: usize, y: usize) -> bool {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `equals`
[INFO] [stdout]   --> src/board.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn equals(&self, other: &Board) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set`
[INFO] [stdout]   --> src/board.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn set(&mut self, x: usize, y: usize, value: bool) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]   --> src/board.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn get(&self, x: usize, y: usize) -> bool {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "6667c52b6093bd6555c155f42c3a7f619fa9424105d2ced8688f934e6d10e43a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6667c52b6093bd6555c155f42c3a7f619fa9424105d2ced8688f934e6d10e43a", kill_on_drop: false }`
[INFO] [stdout] 6667c52b6093bd6555c155f42c3a7f619fa9424105d2ced8688f934e6d10e43a