[INFO] cloning repository https://github.com/Guilherme775/stack-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Guilherme775/stack-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGuilherme775%2Fstack-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGuilherme775%2Fstack-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9a3f7c550f8bcc3e69b49fe83b97594acb8ce27c [INFO] checking Guilherme775/stack-rs/9a3f7c550f8bcc3e69b49fe83b97594acb8ce27c against master#0f6e1ae67854c3c44726e8376144c16b465fe7c6 for pr-129392 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGuilherme775%2Fstack-rs" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Guilherme775/stack-rs on toolchain 0f6e1ae67854c3c44726e8376144c16b465fe7c6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0f6e1ae67854c3c44726e8376144c16b465fe7c6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Guilherme775/stack-rs [INFO] finished tweaking git repo https://github.com/Guilherme775/stack-rs [INFO] tweaked toml for git repo https://github.com/Guilherme775/stack-rs written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Guilherme775/stack-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" "+0f6e1ae67854c3c44726e8376144c16b465fe7c6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+0f6e1ae67854c3c44726e8376144c16b465fe7c6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 602deb1536dbe4747e156d45bd458b387db9808899355915bb63195d4927f92e [INFO] running `Command { std: "docker" "start" "-a" "602deb1536dbe4747e156d45bd458b387db9808899355915bb63195d4927f92e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "602deb1536dbe4747e156d45bd458b387db9808899355915bb63195d4927f92e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "602deb1536dbe4747e156d45bd458b387db9808899355915bb63195d4927f92e", kill_on_drop: false }` [INFO] [stdout] 602deb1536dbe4747e156d45bd458b387db9808899355915bb63195d4927f92e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+0f6e1ae67854c3c44726e8376144c16b465fe7c6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6e7847b1a2b8ad9d53eea6202ff4e7a1aef9f62734e229bdbee309b8d83b2432 [INFO] running `Command { std: "docker" "start" "-a" "6e7847b1a2b8ad9d53eea6202ff4e7a1aef9f62734e229bdbee309b8d83b2432", kill_on_drop: false }` [INFO] [stderr] Checking rust-stack v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `peek` is never used [INFO] [stdout] --> src/main.rs:70:12 [INFO] [stdout] | [INFO] [stdout] 35 | impl Stack { [INFO] [stdout] | ------------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 70 | pub fn peek(&mut self) -> Option { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `peek` is never used [INFO] [stdout] --> src/main.rs:70:12 [INFO] [stdout] | [INFO] [stdout] 35 | impl Stack { [INFO] [stdout] | ------------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 70 | pub fn peek(&mut self) -> Option { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s [INFO] running `Command { std: "docker" "inspect" "6e7847b1a2b8ad9d53eea6202ff4e7a1aef9f62734e229bdbee309b8d83b2432", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6e7847b1a2b8ad9d53eea6202ff4e7a1aef9f62734e229bdbee309b8d83b2432", kill_on_drop: false }` [INFO] [stdout] 6e7847b1a2b8ad9d53eea6202ff4e7a1aef9f62734e229bdbee309b8d83b2432