[INFO] cloning repository https://github.com/kylebfredrickson/otils
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kylebfredrickson/otils" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkylebfredrickson%2Fotils", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkylebfredrickson%2Fotils'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7c1d56151dcbc96fc8ba24edeaeb0d226dcc67dd
[INFO] checking kylebfredrickson/otils against try#d7b15db413fd2070daa09a2c5b7f2ab38417429f for pr-144544
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkylebfredrickson%2Fotils" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kylebfredrickson/otils
[INFO] finished tweaking git repo https://github.com/kylebfredrickson/otils
[INFO] tweaked toml for git repo https://github.com/kylebfredrickson/otils written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kylebfredrickson/otils on toolchain d7b15db413fd2070daa09a2c5b7f2ab38417429f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d7b15db413fd2070daa09a2c5b7f2ab38417429f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kylebfredrickson/otils 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" "+d7b15db413fd2070daa09a2c5b7f2ab38417429f" "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 kylebfredrickson/otils against try#d7b15db413fd2070daa09a2c5b7f2ab38417429f for pr-144544
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkylebfredrickson%2Fotils" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kylebfredrickson/otils
[INFO] finished tweaking git repo https://github.com/kylebfredrickson/otils
[INFO] tweaked toml for git repo https://github.com/kylebfredrickson/otils written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kylebfredrickson/otils on toolchain d7b15db413fd2070daa09a2c5b7f2ab38417429f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d7b15db413fd2070daa09a2c5b7f2ab38417429f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kylebfredrickson/otils 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" "+d7b15db413fd2070daa09a2c5b7f2ab38417429f" "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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+d7b15db413fd2070daa09a2c5b7f2ab38417429f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bcb6c884c7b6893681f688c4c2f3df138d38a4c40a6bd574e414ed6964fa967a
[INFO] running `Command { std: "docker" "start" "-a" "bcb6c884c7b6893681f688c4c2f3df138d38a4c40a6bd574e414ed6964fa967a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcb6c884c7b6893681f688c4c2f3df138d38a4c40a6bd574e414ed6964fa967a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcb6c884c7b6893681f688c4c2f3df138d38a4c40a6bd574e414ed6964fa967a", kill_on_drop: false }`
[INFO] [stdout] bcb6c884c7b6893681f688c4c2f3df138d38a4c40a6bd574e414ed6964fa967a
[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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+d7b15db413fd2070daa09a2c5b7f2ab38417429f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a42025f8c5b4c7b5bedcdd510dfe4996508b871ac931532ccde43477da266dc
[INFO] running `Command { std: "docker" "start" "-a" "2a42025f8c5b4c7b5bedcdd510dfe4996508b871ac931532ccde43477da266dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.95
[INFO] [stderr]     Checking either v1.12.0
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]    Compiling otils v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/compact/or_compact.rs:133:49
[INFO] [stdout]     |
[INFO] [stdout] 133 |         let bits: Vec<usize> = v.iter().map(|x| (x % 2)).collect();
[INFO] [stdout]     |                                                 ^     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 133 -         let bits: Vec<usize> = v.iter().map(|x| (x % 2)).collect();
[INFO] [stdout] 133 +         let bits: Vec<usize> = v.iter().map(|x| x % 2).collect();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/compact/or_compact.rs:160:53
[INFO] [stdout]     |
[INFO] [stdout] 160 |         let mut bits: Vec<usize> = v.iter().map(|x| (x.key % 2)).collect();
[INFO] [stdout]     |                                                     ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 160 -         let mut bits: Vec<usize> = v.iter().map(|x| (x.key % 2)).collect();
[INFO] [stdout] 160 +         let mut bits: Vec<usize> = v.iter().map(|x| x.key % 2).collect();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `Command { std: "docker" "inspect" "2a42025f8c5b4c7b5bedcdd510dfe4996508b871ac931532ccde43477da266dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a42025f8c5b4c7b5bedcdd510dfe4996508b871ac931532ccde43477da266dc", kill_on_drop: false }`
[INFO] [stdout] 2a42025f8c5b4c7b5bedcdd510dfe4996508b871ac931532ccde43477da266dc