[INFO] fetching crate return_crusher 0.1.4...
[INFO] documenting return_crusher-0.1.4 against try#a394c9cd9ec93787f09a7ac445b14cc674a94549 for pr-151918
[INFO] extracting crate return_crusher 0.1.4 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate return_crusher 0.1.4
[INFO] finished tweaking crates.io crate return_crusher 0.1.4
[INFO] tweaked toml for crates.io crate return_crusher 0.1.4 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate return_crusher 0.1.4 on toolchain a394c9cd9ec93787f09a7ac445b14cc674a94549
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate return_crusher 0.1.4 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" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "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] documenting return_crusher-0.1.4 against try#a394c9cd9ec93787f09a7ac445b14cc674a94549 for pr-151918
[INFO] extracting crate return_crusher 0.1.4 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate return_crusher 0.1.4
[INFO] finished tweaking crates.io crate return_crusher 0.1.4
[INFO] tweaked toml for crates.io crate return_crusher 0.1.4 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate return_crusher 0.1.4 on toolchain a394c9cd9ec93787f09a7ac445b14cc674a94549
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate return_crusher 0.1.4 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" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "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] documenting return_crusher-0.1.4 against try#a394c9cd9ec93787f09a7ac445b14cc674a94549 for pr-151918
[INFO] extracting crate return_crusher 0.1.4 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate return_crusher 0.1.4
[INFO] finished tweaking crates.io crate return_crusher 0.1.4
[INFO] tweaked toml for crates.io crate return_crusher 0.1.4 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate return_crusher 0.1.4 on toolchain a394c9cd9ec93787f09a7ac445b14cc674a94549
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate return_crusher 0.1.4 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" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tree-sitter-language v0.1.0
[INFO] [stderr]   Downloaded tree-sitter v0.23.0
[INFO] [stderr]   Downloaded tree-sitter-c v0.23.0
[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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61241ebb7912978e1fe1292d036142c13d008e3d5bad9ef9d305f1b94511dcc8
[INFO] running `Command { std: "docker" "start" "-a" "61241ebb7912978e1fe1292d036142c13d008e3d5bad9ef9d305f1b94511dcc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61241ebb7912978e1fe1292d036142c13d008e3d5bad9ef9d305f1b94511dcc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61241ebb7912978e1fe1292d036142c13d008e3d5bad9ef9d305f1b94511dcc8", kill_on_drop: false }`
[INFO] [stdout] 61241ebb7912978e1fe1292d036142c13d008e3d5bad9ef9d305f1b94511dcc8
[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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d63a14db36ebb44db490405dac1eb4a0abaef174b2e7b45c8b7d08dd9c8ebda
[INFO] running `Command { std: "docker" "start" "-a" "4d63a14db36ebb44db490405dac1eb4a0abaef174b2e7b45c8b7d08dd9c8ebda", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.1.15
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]     Checking tree-sitter-language v0.1.0
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling tree-sitter-c v0.23.0
[INFO] [stderr]    Compiling tree-sitter v0.23.0
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]  Documenting return_crusher v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]     --> src/main.rs:1139:6
[INFO] [stdout]      |
[INFO] [stdout] 1139 |   if (node.kind() == "compound_statement") {
[INFO] [stdout]      |      ^                                   ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1139 -   if (node.kind() == "compound_statement") {
[INFO] [stdout] 1139 +   if node.kind() == "compound_statement"  {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.18s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/return_crusher/index.html
[INFO] running `Command { std: "docker" "inspect" "4d63a14db36ebb44db490405dac1eb4a0abaef174b2e7b45c8b7d08dd9c8ebda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d63a14db36ebb44db490405dac1eb4a0abaef174b2e7b45c8b7d08dd9c8ebda", kill_on_drop: false }`
[INFO] [stdout] 4d63a14db36ebb44db490405dac1eb4a0abaef174b2e7b45c8b7d08dd9c8ebda