[INFO] cloning repository https://github.com/houhoulis/longest_sequential_subslice-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/houhoulis/longest_sequential_subslice-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhouhoulis%2Flongest_sequential_subslice-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhouhoulis%2Flongest_sequential_subslice-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 093159fa0c34bd9f831cda070625c9b9c0ebbbe8
[INFO] checking houhoulis/longest_sequential_subslice-rust against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhouhoulis%2Flongest_sequential_subslice-rust" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/houhoulis/longest_sequential_subslice-rust on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/houhoulis/longest_sequential_subslice-rust
[INFO] finished tweaking git repo https://github.com/houhoulis/longest_sequential_subslice-rust
[INFO] tweaked toml for git repo https://github.com/houhoulis/longest_sequential_subslice-rust written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/houhoulis/longest_sequential_subslice-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" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9fa9d3a964c7f00dec5b4ecba4a1365f5578f893ed5f3996bfd4dd76ae9e200c
[INFO] running `Command { std: "docker" "start" "-a" "9fa9d3a964c7f00dec5b4ecba4a1365f5578f893ed5f3996bfd4dd76ae9e200c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9fa9d3a964c7f00dec5b4ecba4a1365f5578f893ed5f3996bfd4dd76ae9e200c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fa9d3a964c7f00dec5b4ecba4a1365f5578f893ed5f3996bfd4dd76ae9e200c", kill_on_drop: false }`
[INFO] [stdout] 9fa9d3a964c7f00dec5b4ecba4a1365f5578f893ed5f3996bfd4dd76ae9e200c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02b39a9cc24d904ccd26d14165ab19a17075911c7295d512793a7bd9763aefce
[INFO] running `Command { std: "docker" "start" "-a" "02b39a9cc24d904ccd26d14165ab19a17075911c7295d512793a7bd9763aefce", kill_on_drop: false }`
[INFO] [stderr]     Checking longest_sequential_subslice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0131]: `main` function return type is not allowed to have generic parameters
[INFO] [stdout]  --> src/main.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn main(s: &[u8]) -> &[u8] {
[INFO] [stdout]   |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0131`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `longest_sequential_subslice` (bin "longest_sequential_subslice") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "02b39a9cc24d904ccd26d14165ab19a17075911c7295d512793a7bd9763aefce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02b39a9cc24d904ccd26d14165ab19a17075911c7295d512793a7bd9763aefce", kill_on_drop: false }`
[INFO] [stdout] 02b39a9cc24d904ccd26d14165ab19a17075911c7295d512793a7bd9763aefce
[INFO] checking houhoulis/longest_sequential_subslice-rust against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhouhoulis%2Flongest_sequential_subslice-rust" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/houhoulis/longest_sequential_subslice-rust on toolchain dae34b759e282c069aa28752564694effd121a63
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/houhoulis/longest_sequential_subslice-rust
[INFO] finished tweaking git repo https://github.com/houhoulis/longest_sequential_subslice-rust
[INFO] tweaked toml for git repo https://github.com/houhoulis/longest_sequential_subslice-rust written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/houhoulis/longest_sequential_subslice-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" "+dae34b759e282c069aa28752564694effd121a63" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9944ae9fe921d0f4e62c2b5d656e12a0c63294346217aaaa6514c26022b34116
[INFO] running `Command { std: "docker" "start" "-a" "9944ae9fe921d0f4e62c2b5d656e12a0c63294346217aaaa6514c26022b34116", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9944ae9fe921d0f4e62c2b5d656e12a0c63294346217aaaa6514c26022b34116", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9944ae9fe921d0f4e62c2b5d656e12a0c63294346217aaaa6514c26022b34116", kill_on_drop: false }`
[INFO] [stdout] 9944ae9fe921d0f4e62c2b5d656e12a0c63294346217aaaa6514c26022b34116
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d52f1c8ce3f5f85d141e5c2444784657e9ec30a27c0e385d89cb13444c509b13
[INFO] running `Command { std: "docker" "start" "-a" "d52f1c8ce3f5f85d141e5c2444784657e9ec30a27c0e385d89cb13444c509b13", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "d52f1c8ce3f5f85d141e5c2444784657e9ec30a27c0e385d89cb13444c509b13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d52f1c8ce3f5f85d141e5c2444784657e9ec30a27c0e385d89cb13444c509b13", kill_on_drop: false }`
[INFO] [stdout] d52f1c8ce3f5f85d141e5c2444784657e9ec30a27c0e385d89cb13444c509b13