[INFO] cloning repository https://github.com/akrisrn/leet-code-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/akrisrn/leet-code-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakrisrn%2Fleet-code-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakrisrn%2Fleet-code-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 23ba0505e5ddc5b0a790c2080dc49416623f08a9
[INFO] testing akrisrn/leet-code-rust against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakrisrn%2Fleet-code-rust" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/akrisrn/leet-code-rust on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/akrisrn/leet-code-rust
[INFO] finished tweaking git repo https://github.com/akrisrn/leet-code-rust
[INFO] tweaked toml for git repo https://github.com/akrisrn/leet-code-rust written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/akrisrn/leet-code-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8999d1ffc8b02f5da94ed47cd31847dff291c3d9d4aaf21f0087d9835c162cba
[INFO] running `Command { std: "docker" "start" "-a" "8999d1ffc8b02f5da94ed47cd31847dff291c3d9d4aaf21f0087d9835c162cba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8999d1ffc8b02f5da94ed47cd31847dff291c3d9d4aaf21f0087d9835c162cba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8999d1ffc8b02f5da94ed47cd31847dff291c3d9d4aaf21f0087d9835c162cba", kill_on_drop: false }`
[INFO] [stdout] 8999d1ffc8b02f5da94ed47cd31847dff291c3d9d4aaf21f0087d9835c162cba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 531f54b37f3f3d548652484e41bf70d7a27c087cd3b0787592f9ee4b69a92e27
[INFO] running `Command { std: "docker" "start" "-a" "531f54b37f3f3d548652484e41bf70d7a27c087cd3b0787592f9ee4b69a92e27", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling leet-code-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/solution/easy/p0083_remove_duplicates_from_sorted_list.rs:16:62
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn delete_duplicates(head: Option<Box<ListNode>>) -> Option<Box<ListNode>> {}
[INFO] [stdout]    |            -----------------                                 ^^^^^^^^^^^^^^^^^^^^^ expected enum `Option`, found `()`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `Option<Box<p0083_remove_duplicates_from_sorted_list::ListNode>>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/solution/easy/p0088_merge_sorted_array.rs:22:81
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn merge(nums1: &mut Vec<i32>, m: i32, nums2: &mut Vec<i32>, n: i32) -> Vec<i32> {}
[INFO] [stdout]    |            -----                                                                ^^^^^^^^ expected struct `Vec`, found `()`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `Vec<i32>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `leet-code-rust` due to 3 previous errors
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "531f54b37f3f3d548652484e41bf70d7a27c087cd3b0787592f9ee4b69a92e27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "531f54b37f3f3d548652484e41bf70d7a27c087cd3b0787592f9ee4b69a92e27", kill_on_drop: false }`
[INFO] [stdout] 531f54b37f3f3d548652484e41bf70d7a27c087cd3b0787592f9ee4b69a92e27