[INFO] cloning repository https://github.com/kallehed/BinaryHeap-Rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kallehed/BinaryHeap-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkallehed%2FBinaryHeap-Rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkallehed%2FBinaryHeap-Rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 52b3b0c56b5e267a766b2d380feaa92bba0d96a8 [INFO] checking kallehed/BinaryHeap-Rust against try#099e089ab723e6ee96175f3496051098c60a4cd4 for pr-140208 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkallehed%2FBinaryHeap-Rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kallehed/BinaryHeap-Rust on toolchain 099e089ab723e6ee96175f3496051098c60a4cd4 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+099e089ab723e6ee96175f3496051098c60a4cd4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/kallehed/BinaryHeap-Rust [INFO] finished tweaking git repo https://github.com/kallehed/BinaryHeap-Rust [INFO] tweaked toml for git repo https://github.com/kallehed/BinaryHeap-Rust written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/kallehed/BinaryHeap-Rust 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" "+099e089ab723e6ee96175f3496051098c60a4cd4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] checking kallehed/BinaryHeap-Rust against try#099e089ab723e6ee96175f3496051098c60a4cd4 for pr-140208 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkallehed%2FBinaryHeap-Rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kallehed/BinaryHeap-Rust on toolchain 099e089ab723e6ee96175f3496051098c60a4cd4 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+099e089ab723e6ee96175f3496051098c60a4cd4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/kallehed/BinaryHeap-Rust [INFO] finished tweaking git repo https://github.com/kallehed/BinaryHeap-Rust [INFO] tweaked toml for git repo https://github.com/kallehed/BinaryHeap-Rust written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/kallehed/BinaryHeap-Rust 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" "+099e089ab723e6ee96175f3496051098c60a4cd4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+099e089ab723e6ee96175f3496051098c60a4cd4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c5737049673a6465e6f95b32b538c1ce33f38583a5f85a7ad4ed3df338f0724d [INFO] running `Command { std: "docker" "start" "-a" "c5737049673a6465e6f95b32b538c1ce33f38583a5f85a7ad4ed3df338f0724d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c5737049673a6465e6f95b32b538c1ce33f38583a5f85a7ad4ed3df338f0724d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c5737049673a6465e6f95b32b538c1ce33f38583a5f85a7ad4ed3df338f0724d", kill_on_drop: false }` [INFO] [stdout] c5737049673a6465e6f95b32b538c1ce33f38583a5f85a7ad4ed3df338f0724d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+099e089ab723e6ee96175f3496051098c60a4cd4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0c9b77b1fd86597ff3953ae5c790a91afb93300eb1b7067fea1b15bc3a5fbac2 [INFO] running `Command { std: "docker" "start" "-a" "0c9b77b1fd86597ff3953ae5c790a91afb93300eb1b7067fea1b15bc3a5fbac2", kill_on_drop: false }` [INFO] [stderr] Checking binaryheap v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `flow_down_rec` is never used [INFO] [stdout] --> src/lib.rs:75:8 [INFO] [stdout] | [INFO] [stdout] 7 | impl BinaryHeap { [INFO] [stdout] | --------------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 75 | fn flow_down_rec(&mut self, idx: usize, vec_len: usize) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `flow_down_rec` is never used [INFO] [stdout] --> src/lib.rs:75:8 [INFO] [stdout] | [INFO] [stdout] 7 | impl BinaryHeap { [INFO] [stdout] | --------------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 75 | fn flow_down_rec(&mut self, idx: usize, vec_len: usize) { [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 0.09s [INFO] running `Command { std: "docker" "inspect" "0c9b77b1fd86597ff3953ae5c790a91afb93300eb1b7067fea1b15bc3a5fbac2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0c9b77b1fd86597ff3953ae5c790a91afb93300eb1b7067fea1b15bc3a5fbac2", kill_on_drop: false }` [INFO] [stdout] 0c9b77b1fd86597ff3953ae5c790a91afb93300eb1b7067fea1b15bc3a5fbac2