[INFO] cloning repository https://github.com/tinyynoob/leetcode_rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tinyynoob/leetcode_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftinyynoob%2Fleetcode_rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftinyynoob%2Fleetcode_rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3e6153e2570c37c77709dd2024b286589af694e2 [INFO] checking tinyynoob/leetcode_rs against master#c1feb3eceef7d5f0126c309a87062cf413fe0a25 for pr-121053 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftinyynoob%2Fleetcode_rs" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tinyynoob/leetcode_rs on toolchain c1feb3eceef7d5f0126c309a87062cf413fe0a25 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c1feb3eceef7d5f0126c309a87062cf413fe0a25" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tinyynoob/leetcode_rs [INFO] finished tweaking git repo https://github.com/tinyynoob/leetcode_rs [INFO] tweaked toml for git repo https://github.com/tinyynoob/leetcode_rs written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/tinyynoob/leetcode_rs 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" "+c1feb3eceef7d5f0126c309a87062cf413fe0a25" "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 tinyynoob/leetcode_rs against try#0d3c0c4551bd9d6b6a4bd51e251b596e0195adf5 for pr-121053 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftinyynoob%2Fleetcode_rs" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tinyynoob/leetcode_rs on toolchain 0d3c0c4551bd9d6b6a4bd51e251b596e0195adf5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d3c0c4551bd9d6b6a4bd51e251b596e0195adf5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tinyynoob/leetcode_rs [INFO] finished tweaking git repo https://github.com/tinyynoob/leetcode_rs [INFO] tweaked toml for git repo https://github.com/tinyynoob/leetcode_rs written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/tinyynoob/leetcode_rs 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" "+0d3c0c4551bd9d6b6a4bd51e251b596e0195adf5" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+0d3c0c4551bd9d6b6a4bd51e251b596e0195adf5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 19d8bf79201831e884cffaa8d9549b77d7ad8ef7e8b3f325f02f5bedadafe60a [INFO] running `Command { std: "docker" "start" "-a" "19d8bf79201831e884cffaa8d9549b77d7ad8ef7e8b3f325f02f5bedadafe60a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "19d8bf79201831e884cffaa8d9549b77d7ad8ef7e8b3f325f02f5bedadafe60a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "19d8bf79201831e884cffaa8d9549b77d7ad8ef7e8b3f325f02f5bedadafe60a", kill_on_drop: false }` [INFO] [stdout] 19d8bf79201831e884cffaa8d9549b77d7ad8ef7e8b3f325f02f5bedadafe60a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+0d3c0c4551bd9d6b6a4bd51e251b596e0195adf5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 739179133aea26c1d6a446974805fa686445b1f82c4fe223b95c7cac9b3b2e4c [INFO] running `Command { std: "docker" "start" "-a" "739179133aea26c1d6a446974805fa686445b1f82c4fe223b95c7cac9b3b2e4c", kill_on_drop: false }` [INFO] [stderr] Checking ttt v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait `Solution` is never used [INFO] [stdout] --> src/main.rs:5:7 [INFO] [stdout] | [INFO] [stdout] 5 | trait Solution { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Solution` is never used [INFO] [stdout] --> src/main.rs:5:7 [INFO] [stdout] | [INFO] [stdout] 5 | trait Solution { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `find_different_binary_string`, `min_pair_sum`, `reduction_operations`, `get_sum_absolute_differences`, and `max_vowels` are never used [INFO] [stdout] --> src/main.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 9 | impl dyn Solution { [INFO] [stdout] | ----------------- associated functions in this implementation [INFO] [stdout] 10 | pub fn find_different_binary_string(nums: Vec) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 21 | pub fn min_pair_sum(nums: Vec) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 32 | pub fn reduction_operations(nums: Vec) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 49 | pub fn get_sum_absolute_differences(nums: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 64 | pub fn max_vowels(s: String, k: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `find_different_binary_string`, `min_pair_sum`, `reduction_operations`, `get_sum_absolute_differences`, and `max_vowels` are never used [INFO] [stdout] --> src/main.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 9 | impl dyn Solution { [INFO] [stdout] | ----------------- associated functions in this implementation [INFO] [stdout] 10 | pub fn find_different_binary_string(nums: Vec) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 21 | pub fn min_pair_sum(nums: Vec) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 32 | pub fn reduction_operations(nums: Vec) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 49 | pub fn get_sum_absolute_differences(nums: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 64 | pub fn max_vowels(s: String, k: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s [INFO] running `Command { std: "docker" "inspect" "739179133aea26c1d6a446974805fa686445b1f82c4fe223b95c7cac9b3b2e4c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "739179133aea26c1d6a446974805fa686445b1f82c4fe223b95c7cac9b3b2e4c", kill_on_drop: false }` [INFO] [stdout] 739179133aea26c1d6a446974805fa686445b1f82c4fe223b95c7cac9b3b2e4c