[INFO] cloning repository https://github.com/dylmarcor/rust_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/dylmarcor/rust_bubble_sort" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdylmarcor%2Frust_bubble_sort", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdylmarcor%2Frust_bubble_sort'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4c86f544da6989f3a5e6adfe555598d3d6bfdc8d
[INFO] testing dylmarcor/rust_bubble_sort against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdylmarcor%2Frust_bubble_sort" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dylmarcor/rust_bubble_sort on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dylmarcor/rust_bubble_sort
[INFO] finished tweaking git repo https://github.com/dylmarcor/rust_bubble_sort
[INFO] tweaked toml for git repo https://github.com/dylmarcor/rust_bubble_sort written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/dylmarcor/rust_bubble_sort already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3139d52b19dc372df100d1602ce31c9a26b9fc36b59c970bf3fbc2f5c6184cb6
[INFO] running `Command { std: "docker" "start" "-a" "3139d52b19dc372df100d1602ce31c9a26b9fc36b59c970bf3fbc2f5c6184cb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3139d52b19dc372df100d1602ce31c9a26b9fc36b59c970bf3fbc2f5c6184cb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3139d52b19dc372df100d1602ce31c9a26b9fc36b59c970bf3fbc2f5c6184cb6", kill_on_drop: false }`
[INFO] [stdout] 3139d52b19dc372df100d1602ce31c9a26b9fc36b59c970bf3fbc2f5c6184cb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 226e718f336ceecf3e17418f13fd9843090d85227df8e885b796581d7cf8a1f1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "226e718f336ceecf3e17418f13fd9843090d85227df8e885b796581d7cf8a1f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling bubble_sort v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/main.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let mut numbers = vec![0, 6, 1, 4, 5, 7, 3, 5, 3, 9];
[INFO] [stdout]   |                       ---------------------------------- expected due to this value
[INFO] [stdout] ...
[INFO] [stdout] 5 |     numbers = bubble_sort(&mut numbers);
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `Vec`, found `()`
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected struct `Vec<i32>`
[INFO] [stdout]           found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bubble_sort` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "226e718f336ceecf3e17418f13fd9843090d85227df8e885b796581d7cf8a1f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "226e718f336ceecf3e17418f13fd9843090d85227df8e885b796581d7cf8a1f1", kill_on_drop: false }`
[INFO] [stdout] 226e718f336ceecf3e17418f13fd9843090d85227df8e885b796581d7cf8a1f1