[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] testing huntj88/bubble-sort against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuntj88%2Fbubble-sort" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/huntj88/bubble-sort on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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-15/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4828b7d948ce77afa36f9ce03b52b8437216fc2cfe1199edfcae9fcb6c675ed9
[INFO] running `Command { std: "docker" "start" "-a" "4828b7d948ce77afa36f9ce03b52b8437216fc2cfe1199edfcae9fcb6c675ed9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4828b7d948ce77afa36f9ce03b52b8437216fc2cfe1199edfcae9fcb6c675ed9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4828b7d948ce77afa36f9ce03b52b8437216fc2cfe1199edfcae9fcb6c675ed9", kill_on_drop: false }`
[INFO] [stdout] 4828b7d948ce77afa36f9ce03b52b8437216fc2cfe1199edfcae9fcb6c675ed9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5169452b7ffc23bddcc4a12fcb98f6934c00f81c6a8dccfdbf81a2b9d49861f8
[INFO] running `Command { std: "docker" "start" "-a" "5169452b7ffc23bddcc4a12fcb98f6934c00f81c6a8dccfdbf81a2b9d49861f8", kill_on_drop: false }`
[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 0.27s
[INFO] running `Command { std: "docker" "inspect" "5169452b7ffc23bddcc4a12fcb98f6934c00f81c6a8dccfdbf81a2b9d49861f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5169452b7ffc23bddcc4a12fcb98f6934c00f81c6a8dccfdbf81a2b9d49861f8", kill_on_drop: false }`
[INFO] [stdout] 5169452b7ffc23bddcc4a12fcb98f6934c00f81c6a8dccfdbf81a2b9d49861f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4c649b8c3ead3ed80266e435a3ebe6176c41671f7ce4828a90d3942df623627
[INFO] running `Command { std: "docker" "start" "-a" "a4c649b8c3ead3ed80266e435a3ebe6176c41671f7ce4828a90d3942df623627", kill_on_drop: false }`
[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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a4c649b8c3ead3ed80266e435a3ebe6176c41671f7ce4828a90d3942df623627", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4c649b8c3ead3ed80266e435a3ebe6176c41671f7ce4828a90d3942df623627", kill_on_drop: false }`
[INFO] [stdout] a4c649b8c3ead3ed80266e435a3ebe6176c41671f7ce4828a90d3942df623627
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d1898cc11a53b9acff90ab9755a679f933c2f2af916fb40f0c0dcc159340232c
[INFO] running `Command { std: "docker" "start" "-a" "d1898cc11a53b9acff90ab9755a679f933c2f2af916fb40f0c0dcc159340232c", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::clone::Clone`
[INFO] [stderr]  --> src/bubble_sort.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::clone::Clone;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Ordering`
[INFO] [stderr]  --> src/bubble_sort.rs:2:21
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::cmp::{Ord, Ordering};
[INFO] [stderr]   |                     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/bubble_sort.rs:4:28
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub(crate) fn sort<T: Ord>(mut list: &mut [T]) {
[INFO] [stderr]   |                            ----^^^^
[INFO] [stderr]   |                            |
[INFO] [stderr]   |                            help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `bubble-sort` (bin "bubble-sort" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bubble_sort-c8d16fc8f28450f2)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d1898cc11a53b9acff90ab9755a679f933c2f2af916fb40f0c0dcc159340232c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1898cc11a53b9acff90ab9755a679f933c2f2af916fb40f0c0dcc159340232c", kill_on_drop: false }`
[INFO] [stdout] d1898cc11a53b9acff90ab9755a679f933c2f2af916fb40f0c0dcc159340232c