[INFO] cloning repository https://github.com/huntj88/bubble-sort
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/huntj88/bubble-sort" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuntj88%2Fbubble-sort", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuntj88%2Fbubble-sort'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 81252592a609d90ba2d5e9ce2b14daccd8365581
[INFO] building huntj88/bubble-sort against try#8aaecdf5df68a6fbc126704e44d399ba2fe66bf2 for pr-94962
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuntj88%2Fbubble-sort" "/workspace/builds/worker-77/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-77/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/huntj88/bubble-sort on toolchain 8aaecdf5df68a6fbc126704e44d399ba2fe66bf2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8aaecdf5df68a6fbc126704e44d399ba2fe66bf2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/huntj88/bubble-sort
[INFO] finished tweaking git repo https://github.com/huntj88/bubble-sort
[INFO] tweaked toml for git repo https://github.com/huntj88/bubble-sort written to /workspace/builds/worker-77/source/Cargo.toml
[INFO] crate git repo https://github.com/huntj88/bubble-sort already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8aaecdf5df68a6fbc126704e44d399ba2fe66bf2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+8aaecdf5df68a6fbc126704e44d399ba2fe66bf2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 787645c3afa12aed03c0063d82457026fd7753276b502779247dbd389840d064
[INFO] running `Command { std: "docker" "start" "-a" "787645c3afa12aed03c0063d82457026fd7753276b502779247dbd389840d064", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "787645c3afa12aed03c0063d82457026fd7753276b502779247dbd389840d064", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "787645c3afa12aed03c0063d82457026fd7753276b502779247dbd389840d064", kill_on_drop: false }`
[INFO] [stdout] 787645c3afa12aed03c0063d82457026fd7753276b502779247dbd389840d064
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+8aaecdf5df68a6fbc126704e44d399ba2fe66bf2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4752a3f1e92878846e4fb0515f90a2afae2c34bf09e56772ed5527067fda5e9b
[INFO] running `Command { std: "docker" "start" "-a" "4752a3f1e92878846e4fb0515f90a2afae2c34bf09e56772ed5527067fda5e9b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bubble-sort v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::clone::Clone`
[INFO] [stdout]  --> src/bubble_sort.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::clone::Clone;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ordering`
[INFO] [stdout]  --> src/bubble_sort.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cmp::{Ord, Ordering};
[INFO] [stdout]   |                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/bubble_sort.rs:4:28
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub(crate) fn sort<T: Ord>(mut list: &mut [T]) {
[INFO] [stdout]   |                            ----^^^^
[INFO] [stdout]   |                            |
[INFO] [stdout]   |                            help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.64s
[INFO] running `Command { std: "docker" "inspect" "4752a3f1e92878846e4fb0515f90a2afae2c34bf09e56772ed5527067fda5e9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4752a3f1e92878846e4fb0515f90a2afae2c34bf09e56772ed5527067fda5e9b", kill_on_drop: false }`
[INFO] [stdout] 4752a3f1e92878846e4fb0515f90a2afae2c34bf09e56772ed5527067fda5e9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+8aaecdf5df68a6fbc126704e44d399ba2fe66bf2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f45bd446b578eeb2dec4ef6ecf7dc5351f062bd8b2396c1c3071e648539f5601
[INFO] running `Command { std: "docker" "start" "-a" "f45bd446b578eeb2dec4ef6ecf7dc5351f062bd8b2396c1c3071e648539f5601", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "f45bd446b578eeb2dec4ef6ecf7dc5351f062bd8b2396c1c3071e648539f5601", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f45bd446b578eeb2dec4ef6ecf7dc5351f062bd8b2396c1c3071e648539f5601", kill_on_drop: false }`
[INFO] [stdout] f45bd446b578eeb2dec4ef6ecf7dc5351f062bd8b2396c1c3071e648539f5601