[INFO] cloning repository https://github.com/stephansama/codewa_rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stephansama/codewa_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstephansama%2Fcodewa_rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstephansama%2Fcodewa_rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f2037911d61cefcbd2dbb2aed99b62f9cb0d78f1 [INFO] checking stephansama/codewa_rs against master#b56aaec52bc0fa35591a872fb4aac81f606e265c for pr-122661-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstephansama%2Fcodewa_rs" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/stephansama/codewa_rs [INFO] finished tweaking git repo https://github.com/stephansama/codewa_rs [INFO] tweaked toml for git repo https://github.com/stephansama/codewa_rs written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/stephansama/codewa_rs on toolchain b56aaec52bc0fa35591a872fb4aac81f606e265c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/stephansama/codewa_rs 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" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8e3d75c32afc52adfeaf1e72c993cb6e6ccec6de3b3a5d08688776f244d7d71a [INFO] running `Command { std: "docker" "start" "-a" "8e3d75c32afc52adfeaf1e72c993cb6e6ccec6de3b3a5d08688776f244d7d71a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8e3d75c32afc52adfeaf1e72c993cb6e6ccec6de3b3a5d08688776f244d7d71a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8e3d75c32afc52adfeaf1e72c993cb6e6ccec6de3b3a5d08688776f244d7d71a", kill_on_drop: false }` [INFO] [stdout] 8e3d75c32afc52adfeaf1e72c993cb6e6ccec6de3b3a5d08688776f244d7d71a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 090a6804b83569dd30ca65802907d59306007b5dfaa49e38c813cbece8ed4d41 [INFO] running `Command { std: "docker" "start" "-a" "090a6804b83569dd30ca65802907d59306007b5dfaa49e38c813cbece8ed4d41", kill_on_drop: false }` [INFO] [stderr] Checking codewa_rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function `array_diff3` is never used [INFO] [stdout] --> src/bin/array_diff.rs:12:4 [INFO] [stdout] | [INFO] [stdout] 12 | fn array_diff3(start: Vec, subtract: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `array_diff2` is never used [INFO] [stdout] --> src/bin/array_diff.rs:19:4 [INFO] [stdout] | [INFO] [stdout] 19 | fn array_diff2(mut start: Vec, subtract: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `array_diff4` is never used [INFO] [stdout] --> src/bin/array_diff.rs:24:4 [INFO] [stdout] | [INFO] [stdout] 24 | fn array_diff4(start: Vec, subtract: Vec) -> Vec [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `array_diff` is never used [INFO] [stdout] --> src/bin/array_diff.rs:36:4 [INFO] [stdout] | [INFO] [stdout] 36 | fn array_diff(start: Vec, subtract: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `stray_2` is never used [INFO] [stdout] --> src/bin/stray_number.rs:31:4 [INFO] [stdout] | [INFO] [stdout] 31 | fn stray_2(arr: &[u32]) -> u32 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `stray_2` is never used [INFO] [stdout] --> src/bin/stray_number.rs:31:4 [INFO] [stdout] | [INFO] [stdout] 31 | fn stray_2(arr: &[u32]) -> u32 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `array_diff3` is never used [INFO] [stdout] --> src/bin/array_diff.rs:12:4 [INFO] [stdout] | [INFO] [stdout] 12 | fn array_diff3(start: Vec, subtract: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `array_diff2` is never used [INFO] [stdout] --> src/bin/array_diff.rs:19:4 [INFO] [stdout] | [INFO] [stdout] 19 | fn array_diff2(mut start: Vec, subtract: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `array_diff4` is never used [INFO] [stdout] --> src/bin/array_diff.rs:24:4 [INFO] [stdout] | [INFO] [stdout] 24 | fn array_diff4(start: Vec, subtract: Vec) -> Vec [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.57s [INFO] running `Command { std: "docker" "inspect" "090a6804b83569dd30ca65802907d59306007b5dfaa49e38c813cbece8ed4d41", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "090a6804b83569dd30ca65802907d59306007b5dfaa49e38c813cbece8ed4d41", kill_on_drop: false }` [INFO] [stdout] 090a6804b83569dd30ca65802907d59306007b5dfaa49e38c813cbece8ed4d41