[INFO] cloning repository https://github.com/YoungHS-NUS/rust_leetcode
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/YoungHS-NUS/rust_leetcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYoungHS-NUS%2Frust_leetcode", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYoungHS-NUS%2Frust_leetcode'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 360de4b0e929beca17e37bf223423e2f3b5fa414
[INFO] checking YoungHS-NUS/rust_leetcode against try#943e2200e35c3825486c4671b6cab0107a07f8c1 for pr-148952
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYoungHS-NUS%2Frust_leetcode" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/YoungHS-NUS/rust_leetcode
[INFO] finished tweaking git repo https://github.com/YoungHS-NUS/rust_leetcode
[INFO] tweaked toml for git repo https://github.com/YoungHS-NUS/rust_leetcode written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/YoungHS-NUS/rust_leetcode on toolchain 943e2200e35c3825486c4671b6cab0107a07f8c1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/YoungHS-NUS/rust_leetcode 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" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking YoungHS-NUS/rust_leetcode against try#943e2200e35c3825486c4671b6cab0107a07f8c1 for pr-148952
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYoungHS-NUS%2Frust_leetcode" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/YoungHS-NUS/rust_leetcode
[INFO] finished tweaking git repo https://github.com/YoungHS-NUS/rust_leetcode
[INFO] tweaked toml for git repo https://github.com/YoungHS-NUS/rust_leetcode written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/YoungHS-NUS/rust_leetcode on toolchain 943e2200e35c3825486c4671b6cab0107a07f8c1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/YoungHS-NUS/rust_leetcode 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" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aeb4bc92536ad05139956a0d5249cabb3e6fb7b9afa624ece6a4e02cea5c96c1
[INFO] running `Command { std: "docker" "start" "-a" "aeb4bc92536ad05139956a0d5249cabb3e6fb7b9afa624ece6a4e02cea5c96c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aeb4bc92536ad05139956a0d5249cabb3e6fb7b9afa624ece6a4e02cea5c96c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aeb4bc92536ad05139956a0d5249cabb3e6fb7b9afa624ece6a4e02cea5c96c1", kill_on_drop: false }`
[INFO] [stdout] aeb4bc92536ad05139956a0d5249cabb3e6fb7b9afa624ece6a4e02cea5c96c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02d9db9cf02236717c3c71793cb363d29d9089c55cf44da2387ed77a55e857a1
[INFO] running `Command { std: "docker" "start" "-a" "02d9db9cf02236717c3c71793cb363d29d9089c55cf44da2387ed77a55e857a1", kill_on_drop: false }`
[INFO] [stderr]     Checking rust_leetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/bin/575.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/bin/575.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | mod test {
[INFO] [stdout]    | ^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/bin/1133.rs:21:65
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn largest_unique_number_less_memory(nums: Vec<i32>) -> i32 {}
[INFO] [stdout]    |            ---------------------------------                    ^^^ expected `i32`, found `()`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_leetcode` (bin "1133" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/bin/1133.rs:21:65
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn largest_unique_number_less_memory(nums: Vec<i32>) -> i32 {}
[INFO] [stdout]    |            ---------------------------------                    ^^^ expected `i32`, found `()`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_leetcode` (bin "1133") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "02d9db9cf02236717c3c71793cb363d29d9089c55cf44da2387ed77a55e857a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02d9db9cf02236717c3c71793cb363d29d9089c55cf44da2387ed77a55e857a1", kill_on_drop: false }`
[INFO] [stdout] 02d9db9cf02236717c3c71793cb363d29d9089c55cf44da2387ed77a55e857a1
