[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] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkanjie128%2Fsorting-rs: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[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] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkanjie128%2Fsorting-rs/objects/info: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 2)
[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] checking kanjie128/sorting-rs against master#19f42cb9bb65555e7d95dab7d17573ae6c5d634c for pr-139087
[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 19f42cb9bb65555e7d95dab7d17573ae6c5d634c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+19f42cb9bb65555e7d95dab7d17573ae6c5d634c" "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" "+19f42cb9bb65555e7d95dab7d17573ae6c5d634c" "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-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+19f42cb9bb65555e7d95dab7d17573ae6c5d634c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd5e8b8327a90099ab01d5541a350be14b28093efa869097b654364f3d33cc5b
[INFO] running `Command { std: "docker" "start" "-a" "bd5e8b8327a90099ab01d5541a350be14b28093efa869097b654364f3d33cc5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd5e8b8327a90099ab01d5541a350be14b28093efa869097b654364f3d33cc5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd5e8b8327a90099ab01d5541a350be14b28093efa869097b654364f3d33cc5b", kill_on_drop: false }`
[INFO] [stdout] bd5e8b8327a90099ab01d5541a350be14b28093efa869097b654364f3d33cc5b
[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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+19f42cb9bb65555e7d95dab7d17573ae6c5d634c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23818e5a0aaaf513f47050fa92a768c73eb0d94c8db088092f7fecc7a2a1fbd6
[INFO] running `Command { std: "docker" "start" "-a" "23818e5a0aaaf513f47050fa92a768c73eb0d94c8db088092f7fecc7a2a1fbd6", kill_on_drop: false }`
[INFO] [stderr]     Checking 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 `dev` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "23818e5a0aaaf513f47050fa92a768c73eb0d94c8db088092f7fecc7a2a1fbd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23818e5a0aaaf513f47050fa92a768c73eb0d94c8db088092f7fecc7a2a1fbd6", kill_on_drop: false }`
[INFO] [stdout] 23818e5a0aaaf513f47050fa92a768c73eb0d94c8db088092f7fecc7a2a1fbd6