[INFO] cloning repository https://github.com/kanjie128/sorting-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kanjie128/sorting-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkanjie128%2Fsorting-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkanjie128%2Fsorting-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 63e47c4fa1506ae6acf0bf23811754226ff0fca3
[INFO] building kanjie128/sorting-rs against master#ad211ced81509462cdfe4c29ed10f97279a0acae for pr-135216-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkanjie128%2Fsorting-rs" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kanjie128/sorting-rs on toolchain ad211ced81509462cdfe4c29ed10f97279a0acae
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kanjie128/sorting-rs
[INFO] finished tweaking git repo https://github.com/kanjie128/sorting-rs
[INFO] tweaked toml for git repo https://github.com/kanjie128/sorting-rs written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kanjie128/sorting-rs 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" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a2912d8d06b99310cf56aececf8cc3340e596ce9e631cd55bb53cb8722f67c4
[INFO] running `Command { std: "docker" "start" "-a" "0a2912d8d06b99310cf56aececf8cc3340e596ce9e631cd55bb53cb8722f67c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a2912d8d06b99310cf56aececf8cc3340e596ce9e631cd55bb53cb8722f67c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a2912d8d06b99310cf56aececf8cc3340e596ce9e631cd55bb53cb8722f67c4", kill_on_drop: false }`
[INFO] [stdout] 0a2912d8d06b99310cf56aececf8cc3340e596ce9e631cd55bb53cb8722f67c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80defda9c0f9de484df1a0c2042c89d03f6d4242c6ce96c2cdd129d485cf409a
[INFO] running `Command { std: "docker" "start" "-a" "80defda9c0f9de484df1a0c2042c89d03f6d4242c6ce96c2cdd129d485cf409a", kill_on_drop: false }`
[INFO] [stderr]    Compiling sorting v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Sorter` is never used
[INFO] [stdout]  --> src/lib.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | trait Sorter {
[INFO] [stdout]   |       ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sort` is never used
[INFO] [stdout]   --> src/lib.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn sort<T, S>(slice: &mut [T])
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BubbleSort` is never constructed
[INFO] [stdout]  --> src/bubble.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct BubbleSort;
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InsertionSort` is never constructed
[INFO] [stdout]  --> src/insertion.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct InsertionSort;
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `QuickSort` is never constructed
[INFO] [stdout]  --> src/quick.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct QuickSort;
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SelectionSort` is never constructed
[INFO] [stdout]  --> src/selection.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct SelectionSort;
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "80defda9c0f9de484df1a0c2042c89d03f6d4242c6ce96c2cdd129d485cf409a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80defda9c0f9de484df1a0c2042c89d03f6d4242c6ce96c2cdd129d485cf409a", kill_on_drop: false }`
[INFO] [stdout] 80defda9c0f9de484df1a0c2042c89d03f6d4242c6ce96c2cdd129d485cf409a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8be1f0257189cf3ab9e8773b47d90f6d1bcb1f33d685a7ac165914fb72ae529
[INFO] running `Command { std: "docker" "start" "-a" "f8be1f0257189cf3ab9e8773b47d90f6d1bcb1f33d685a7ac165914fb72ae529", kill_on_drop: false }`
[INFO] [stderr]    Compiling sorting v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Sorter` is never used
[INFO] [stdout]  --> src/lib.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | trait Sorter {
[INFO] [stdout]   |       ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sort` is never used
[INFO] [stdout]   --> src/lib.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn sort<T, S>(slice: &mut [T])
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BubbleSort` is never constructed
[INFO] [stdout]  --> src/bubble.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct BubbleSort;
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InsertionSort` is never constructed
[INFO] [stdout]  --> src/insertion.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct InsertionSort;
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `QuickSort` is never constructed
[INFO] [stdout]  --> src/quick.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct QuickSort;
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SelectionSort` is never constructed
[INFO] [stdout]  --> src/selection.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct SelectionSort;
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sort` is never used
[INFO] [stdout]   --> src/lib.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn sort<T, S>(slice: &mut [T])
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "f8be1f0257189cf3ab9e8773b47d90f6d1bcb1f33d685a7ac165914fb72ae529", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8be1f0257189cf3ab9e8773b47d90f6d1bcb1f33d685a7ac165914fb72ae529", kill_on_drop: false }`
[INFO] [stdout] f8be1f0257189cf3ab9e8773b47d90f6d1bcb1f33d685a7ac165914fb72ae529