[INFO] fetching crate subway 0.1.2... [INFO] checking subway-0.1.2 against try#de0e80659cee4f27282e60d63bbb8c5271a0d147 for pr-129392 [INFO] extracting crate subway 0.1.2 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate subway 0.1.2 on toolchain de0e80659cee4f27282e60d63bbb8c5271a0d147 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate subway 0.1.2 [INFO] finished tweaking crates.io crate subway 0.1.2 [INFO] tweaked toml for crates.io crate subway 0.1.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 11 packages to latest compatible versions [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.6.0) [INFO] [stderr] Adding cloudabi v0.0.3 (latest: v0.1.0) [INFO] [stderr] Adding rand v0.5.6 (latest: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dbdd3fc1e1bd1a4a9697c6f40c599536c0838af9d3278677212d897802896848 [INFO] running `Command { std: "docker" "start" "-a" "dbdd3fc1e1bd1a4a9697c6f40c599536c0838af9d3278677212d897802896848", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dbdd3fc1e1bd1a4a9697c6f40c599536c0838af9d3278677212d897802896848", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dbdd3fc1e1bd1a4a9697c6f40c599536c0838af9d3278677212d897802896848", kill_on_drop: false }` [INFO] [stdout] dbdd3fc1e1bd1a4a9697c6f40c599536c0838af9d3278677212d897802896848 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1c4d4e1c11a66a01d9043a6230d870026f134f08a051d79394d7800ad41f350e [INFO] running `Command { std: "docker" "start" "-a" "1c4d4e1c11a66a01d9043a6230d870026f134f08a051d79394d7800ad41f350e", kill_on_drop: false }` [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking subway v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `print` is never used [INFO] [stdout] --> src/skiplist.rs:574:8 [INFO] [stdout] | [INFO] [stdout] 266 | / impl SkipList [INFO] [stdout] 267 | | where [INFO] [stdout] 268 | | K: Ord + Clone + Display, [INFO] [stdout] 269 | | V: Clone, [INFO] [stdout] | |_____________- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 574 | fn print(&self) { [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: method `print` is never used [INFO] [stdout] --> src/skiplist.rs:574:8 [INFO] [stdout] | [INFO] [stdout] 266 | / impl SkipList [INFO] [stdout] 267 | | where [INFO] [stdout] 268 | | K: Ord + Clone + Display, [INFO] [stdout] 269 | | V: Clone, [INFO] [stdout] | |_____________- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 574 | fn print(&self) { [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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.45s [INFO] running `Command { std: "docker" "inspect" "1c4d4e1c11a66a01d9043a6230d870026f134f08a051d79394d7800ad41f350e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1c4d4e1c11a66a01d9043a6230d870026f134f08a051d79394d7800ad41f350e", kill_on_drop: false }` [INFO] [stdout] 1c4d4e1c11a66a01d9043a6230d870026f134f08a051d79394d7800ad41f350e