[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] checking akrisrn/leet-code-rust against master#82310651b93a594a3fd69015e1562186a080d94c for pr-145770
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakrisrn%2Fleet-code-rust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[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-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/akrisrn/leet-code-rust on toolchain 82310651b93a594a3fd69015e1562186a080d94c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/akrisrn/leet-code-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" "+82310651b93a594a3fd69015e1562186a080d94c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 81c08e3c82a8eaea20642f0f00a12b6dae94b45df89d4607af6873b3dfb5e507
[INFO] running `Command { std: "docker" "start" "-a" "81c08e3c82a8eaea20642f0f00a12b6dae94b45df89d4607af6873b3dfb5e507", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81c08e3c82a8eaea20642f0f00a12b6dae94b45df89d4607af6873b3dfb5e507", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81c08e3c82a8eaea20642f0f00a12b6dae94b45df89d4607af6873b3dfb5e507", kill_on_drop: false }`
[INFO] [stdout] 81c08e3c82a8eaea20642f0f00a12b6dae94b45df89d4607af6873b3dfb5e507
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3fdbadb67e4d0453dc5bd27aa5010f872775d8450f9cb4d1e89ebaa8f3d2895
[INFO] running `Command { std: "docker" "start" "-a" "d3fdbadb67e4d0453dc5bd27aa5010f872775d8450f9cb4d1e89ebaa8f3d2895", kill_on_drop: false }`
[INFO] [stderr]     Checking 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 `Option<Box<ListNode>>`, 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] help: consider returning the local binding `head`
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn delete_duplicates(head: Option<Box<ListNode>>) -> Option<Box<ListNode>> { head }
[INFO] [stdout]    |                                                                                      ++++
[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 `Vec<i32>`, 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] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `leet-code-rust` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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 `Option<Box<ListNode>>`, 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] help: consider returning the local binding `head`
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn delete_duplicates(head: Option<Box<ListNode>>) -> Option<Box<ListNode>> { head }
[INFO] [stdout]    |                                                                                      ++++
[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 `Vec<i32>`, 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] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `leet-code-rust` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "d3fdbadb67e4d0453dc5bd27aa5010f872775d8450f9cb4d1e89ebaa8f3d2895", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3fdbadb67e4d0453dc5bd27aa5010f872775d8450f9cb4d1e89ebaa8f3d2895", kill_on_drop: false }`
[INFO] [stdout] d3fdbadb67e4d0453dc5bd27aa5010f872775d8450f9cb4d1e89ebaa8f3d2895
