[INFO] cloning repository https://github.com/xiaowang7777/algorithm-sort-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xiaowang7777/algorithm-sort-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxiaowang7777%2Falgorithm-sort-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxiaowang7777%2Falgorithm-sort-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 952a77a278b934c22f5c9b5c3d0d320c0d9b1319
[INFO] checking xiaowang7777/algorithm-sort-rust against try#d534db0721b23cf977073bf4cd306dbf501e6b4d for pr-138499
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxiaowang7777%2Falgorithm-sort-rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xiaowang7777/algorithm-sort-rust on toolchain d534db0721b23cf977073bf4cd306dbf501e6b4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d534db0721b23cf977073bf4cd306dbf501e6b4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xiaowang7777/algorithm-sort-rust
[INFO] finished tweaking git repo https://github.com/xiaowang7777/algorithm-sort-rust
[INFO] tweaked toml for git repo https://github.com/xiaowang7777/algorithm-sort-rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/xiaowang7777/algorithm-sort-rust 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" "+d534db0721b23cf977073bf4cd306dbf501e6b4d" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+d534db0721b23cf977073bf4cd306dbf501e6b4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 305d4791d151cea8f9c33ad82a2f2256f28fc2d9284b2aea83f62de37bf3a290
[INFO] running `Command { std: "docker" "start" "-a" "305d4791d151cea8f9c33ad82a2f2256f28fc2d9284b2aea83f62de37bf3a290", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "305d4791d151cea8f9c33ad82a2f2256f28fc2d9284b2aea83f62de37bf3a290", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "305d4791d151cea8f9c33ad82a2f2256f28fc2d9284b2aea83f62de37bf3a290", kill_on_drop: false }`
[INFO] [stdout] 305d4791d151cea8f9c33ad82a2f2256f28fc2d9284b2aea83f62de37bf3a290
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+d534db0721b23cf977073bf4cd306dbf501e6b4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 439dee163f1a9783d7c9728f5579798580ef64c1f9194febd6d5bf3225a2074d
[INFO] running `Command { std: "docker" "start" "-a" "439dee163f1a9783d7c9728f5579798580ef64c1f9194febd6d5bf3225a2074d", kill_on_drop: false }`
[INFO] [stderr]     Checking algorithm-sort-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> tests/util-test.rs:4:42
[INFO] [stdout]   |
[INFO] [stdout] 4 |     assert_eq!(algorithm_sort_rust::less(v, 0, 1), true);
[INFO] [stdout]   |                ------------------------- ^ expected `&Vec<_>`, found `Vec<{integer}>`
[INFO] [stdout]   |                |
[INFO] [stdout]   |                arguments to this function are incorrect
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected reference `&Vec<_>`
[INFO] [stdout]                 found struct `Vec<{integer}>`
[INFO] [stdout] note: function defined here
[INFO] [stdout]  --> /opt/rustwide/workdir/src/lib.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn less<T>(arr: &Vec<T>, lo: usize, hi: usize) -> bool
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] help: consider borrowing here
[INFO] [stdout]   |
[INFO] [stdout] 4 |     assert_eq!(algorithm_sort_rust::less(&v, 0, 1), true);
[INFO] [stdout]   |                                          +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `algorithm-sort-rust` (test "util-test") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "439dee163f1a9783d7c9728f5579798580ef64c1f9194febd6d5bf3225a2074d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "439dee163f1a9783d7c9728f5579798580ef64c1f9194febd6d5bf3225a2074d", kill_on_drop: false }`
[INFO] [stdout] 439dee163f1a9783d7c9728f5579798580ef64c1f9194febd6d5bf3225a2074d