[INFO] cloning repository https://github.com/night-scholar/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/night-scholar/Rust-Leetcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnight-scholar%2FRust-Leetcode", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnight-scholar%2FRust-Leetcode'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eb6b1c23d77c1cac126bb0766390b13d2b55b47c
[INFO] checking night-scholar/Rust-Leetcode against master#368e2fd458a22d0cc133d0c254f2612ee999744f for pr-128351
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnight-scholar%2FRust-Leetcode" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/night-scholar/Rust-Leetcode on toolchain 368e2fd458a22d0cc133d0c254f2612ee999744f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+368e2fd458a22d0cc133d0c254f2612ee999744f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/night-scholar/Rust-Leetcode
[INFO] finished tweaking git repo https://github.com/night-scholar/Rust-Leetcode
[INFO] tweaked toml for git repo https://github.com/night-scholar/Rust-Leetcode written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/night-scholar/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" "+368e2fd458a22d0cc133d0c254f2612ee999744f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking night-scholar/Rust-Leetcode against try#09146510cdb33d15474a35fde290187a88b1cf35 for pr-128351
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnight-scholar%2FRust-Leetcode" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/night-scholar/Rust-Leetcode on toolchain 09146510cdb33d15474a35fde290187a88b1cf35
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09146510cdb33d15474a35fde290187a88b1cf35" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/night-scholar/Rust-Leetcode
[INFO] finished tweaking git repo https://github.com/night-scholar/Rust-Leetcode
[INFO] tweaked toml for git repo https://github.com/night-scholar/Rust-Leetcode written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/night-scholar/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" "+09146510cdb33d15474a35fde290187a88b1cf35" "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 night-scholar/Rust-Leetcode against try#09146510cdb33d15474a35fde290187a88b1cf35 for pr-128351
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnight-scholar%2FRust-Leetcode" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/night-scholar/Rust-Leetcode on toolchain 09146510cdb33d15474a35fde290187a88b1cf35
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09146510cdb33d15474a35fde290187a88b1cf35" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/night-scholar/Rust-Leetcode
[INFO] finished tweaking git repo https://github.com/night-scholar/Rust-Leetcode
[INFO] tweaked toml for git repo https://github.com/night-scholar/Rust-Leetcode written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/night-scholar/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" "+09146510cdb33d15474a35fde290187a88b1cf35" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+09146510cdb33d15474a35fde290187a88b1cf35" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5fc1d722fe72b80ad1d4685c534da68495d8141509f98413764d748ad6470390
[INFO] running `Command { std: "docker" "start" "-a" "5fc1d722fe72b80ad1d4685c534da68495d8141509f98413764d748ad6470390", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5fc1d722fe72b80ad1d4685c534da68495d8141509f98413764d748ad6470390", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fc1d722fe72b80ad1d4685c534da68495d8141509f98413764d748ad6470390", kill_on_drop: false }`
[INFO] [stdout] 5fc1d722fe72b80ad1d4685c534da68495d8141509f98413764d748ad6470390
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+09146510cdb33d15474a35fde290187a88b1cf35" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06e2427a5aa6cd5d3821ed50f753fa201ba8d382def0fd77c95d8444c1f7365a
[INFO] running `Command { std: "docker" "start" "-a" "06e2427a5aa6cd5d3821ed50f753fa201ba8d382def0fd77c95d8444c1f7365a", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-leetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: invalid character `' '` in crate name: `12_integer to_roman`
[INFO] [stdout]   |
[INFO] [stdout]   = help: you can either pass `--crate-name` on the command line or add `#![crate_name="…"]` to set the crate name
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-leetcode` (example "12_integer to_roman") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0412]: cannot find type `Solution` in this scope
[INFO] [stdout]  --> src/main.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | impl Solution {
[INFO] [stdout]   |      ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `rust_leetcode`
[INFO] [stdout]   --> src/main.rs:15:2
[INFO] [stdout]    |
[INFO] [stdout] 15 | }
[INFO] [stdout]    |  ^ consider adding a `main` function to `src/main.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Solution` in this scope
[INFO] [stdout]  --> examples/4_find_median_sorted_arrays.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 | impl Solution {
[INFO] [stdout]   |      ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Solution` in this scope
[INFO] [stdout]  --> examples/8_string_to_integer_atoi.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | impl Solution {
[INFO] [stdout]   |      ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `8_string_to_integer_atoi`
[INFO] [stdout]   --> examples/8_string_to_integer_atoi.rs:42:2
[INFO] [stdout]    |
[INFO] [stdout] 42 | }
[INFO] [stdout]    |  ^ consider adding a `main` function to `examples/8_string_to_integer_atoi.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `4_find_median_sorted_arrays`
[INFO] [stdout]   --> examples/4_find_median_sorted_arrays.rs:15:2
[INFO] [stdout]    |
[INFO] [stdout] 15 | }
[INFO] [stdout]    |  ^ consider adding a `main` function to `examples/4_find_median_sorted_arrays.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0601.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0601.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0601.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-leetcode` (example "8_string_to_integer_atoi") due to 3 previous errors
[INFO] [stdout] error[E0412]: cannot find type `Solution` in this scope
[INFO] [stdout]  --> examples/9_palindrome_number.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | impl Solution {
[INFO] [stdout]   |      ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-leetcode` (example "4_find_median_sorted_arrays") due to 3 previous errors
[INFO] [stdout] error[E0601]: `main` function not found in crate `9_palindrome_number`
[INFO] [stdout]   --> examples/9_palindrome_number.rs:17:2
[INFO] [stdout]    |
[INFO] [stdout] 17 | }
[INFO] [stdout]    |  ^ consider adding a `main` function to `examples/9_palindrome_number.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0601.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-leetcode` (example "9_palindrome_number") due to 3 previous errors
[INFO] [stderr] error: could not compile `rust-leetcode` (bin "rust-leetcode") due to 3 previous errors
[INFO] [stdout] error[E0412]: cannot find type `Solution` in this scope
[INFO] [stdout]  --> src/main.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | impl Solution {
[INFO] [stdout]   |      ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Solution` in this scope
[INFO] [stdout]  --> examples/13_roman_to_interger.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | impl Solution {
[INFO] [stdout]   |      ^^^^^^^^ not found in this scope
[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 E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-leetcode` (bin "rust-leetcode" test) due to 2 previous errors
[INFO] [stdout] error[E0601]: `main` function not found in crate `13_roman_to_interger`
[INFO] [stdout]   --> examples/13_roman_to_interger.rs:31:2
[INFO] [stdout]    |
[INFO] [stdout] 31 | }
[INFO] [stdout]    |  ^ consider adding a `main` function to `examples/13_roman_to_interger.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0601.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-leetcode` (example "13_roman_to_interger") due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "06e2427a5aa6cd5d3821ed50f753fa201ba8d382def0fd77c95d8444c1f7365a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06e2427a5aa6cd5d3821ed50f753fa201ba8d382def0fd77c95d8444c1f7365a", kill_on_drop: false }`
[INFO] [stdout] 06e2427a5aa6cd5d3821ed50f753fa201ba8d382def0fd77c95d8444c1f7365a