[INFO] cloning repository https://github.com/ricky-ultimate/rust-matrix-operations [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ricky-ultimate/rust-matrix-operations" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fricky-ultimate%2Frust-matrix-operations", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fricky-ultimate%2Frust-matrix-operations'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b9c469193f39277c2a5445b2b1ba837ec456a679 [INFO] checking ricky-ultimate/rust-matrix-operations against master#f2d69d5a7c04617d122facd0a7a5bdde0af928ae for pr-138363 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fricky-ultimate%2Frust-matrix-operations" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ricky-ultimate/rust-matrix-operations on toolchain f2d69d5a7c04617d122facd0a7a5bdde0af928ae [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f2d69d5a7c04617d122facd0a7a5bdde0af928ae" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ricky-ultimate/rust-matrix-operations [INFO] finished tweaking git repo https://github.com/ricky-ultimate/rust-matrix-operations [INFO] tweaked toml for git repo https://github.com/ricky-ultimate/rust-matrix-operations written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/ricky-ultimate/rust-matrix-operations 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" "+f2d69d5a7c04617d122facd0a7a5bdde0af928ae" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+f2d69d5a7c04617d122facd0a7a5bdde0af928ae" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] efe187c938abb2b477c27fc23041a0b23e846ad34e453d1cc516f321b0ca1107 [INFO] running `Command { std: "docker" "start" "-a" "efe187c938abb2b477c27fc23041a0b23e846ad34e453d1cc516f321b0ca1107", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "efe187c938abb2b477c27fc23041a0b23e846ad34e453d1cc516f321b0ca1107", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "efe187c938abb2b477c27fc23041a0b23e846ad34e453d1cc516f321b0ca1107", kill_on_drop: false }` [INFO] [stdout] efe187c938abb2b477c27fc23041a0b23e846ad34e453d1cc516f321b0ca1107 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+f2d69d5a7c04617d122facd0a7a5bdde0af928ae" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 352bebc255ca3b9423f3ee005c5c725336360ddb1eec7edbcce579442e5243af [INFO] running `Command { std: "docker" "start" "-a" "352bebc255ca3b9423f3ee005c5c725336360ddb1eec7edbcce579442e5243af", kill_on_drop: false }` [INFO] [stderr] Checking matrix_operations v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: methods `add`, `subtract`, `multiply`, and `deter` are never used [INFO] [stdout] --> src/main.rs:25:8 [INFO] [stdout] | [INFO] [stdout] 7 | impl Matrix { [INFO] [stdout] | ----------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 25 | fn add(&self, other: &Matrix) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 41 | fn subtract(&self, other: &Matrix) -> Option { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 57 | fn multiply(&self, other: &Matrix) -> Option { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 72 | fn deter(&self) -> Option { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `add`, `subtract`, `multiply`, and `deter` are never used [INFO] [stdout] --> src/main.rs:25:8 [INFO] [stdout] | [INFO] [stdout] 7 | impl Matrix { [INFO] [stdout] | ----------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 25 | fn add(&self, other: &Matrix) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 41 | fn subtract(&self, other: &Matrix) -> Option { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 57 | fn multiply(&self, other: &Matrix) -> Option { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 72 | fn deter(&self) -> Option { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s [INFO] running `Command { std: "docker" "inspect" "352bebc255ca3b9423f3ee005c5c725336360ddb1eec7edbcce579442e5243af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "352bebc255ca3b9423f3ee005c5c725336360ddb1eec7edbcce579442e5243af", kill_on_drop: false }` [INFO] [stdout] 352bebc255ca3b9423f3ee005c5c725336360ddb1eec7edbcce579442e5243af