[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 try#411f3ca0d8086d5a27e2aaa79b9ff41f53ab2f51 for pr-138844 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftinyynoob%2Fleetcode_rs" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tinyynoob/leetcode_rs on toolchain 411f3ca0d8086d5a27e2aaa79b9ff41f53ab2f51 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+411f3ca0d8086d5a27e2aaa79b9ff41f53ab2f51" "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-2-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" "+411f3ca0d8086d5a27e2aaa79b9ff41f53ab2f51" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+411f3ca0d8086d5a27e2aaa79b9ff41f53ab2f51" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e7af7a41968680b28b02dd17e712dcef3d2baf242baa7cf8512d62502f9291de [INFO] running `Command { std: "docker" "start" "-a" "e7af7a41968680b28b02dd17e712dcef3d2baf242baa7cf8512d62502f9291de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e7af7a41968680b28b02dd17e712dcef3d2baf242baa7cf8512d62502f9291de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e7af7a41968680b28b02dd17e712dcef3d2baf242baa7cf8512d62502f9291de", kill_on_drop: false }` [INFO] [stdout] e7af7a41968680b28b02dd17e712dcef3d2baf242baa7cf8512d62502f9291de [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+411f3ca0d8086d5a27e2aaa79b9ff41f53ab2f51" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 195449c8d627300e621a909e177631845a1c7c75669e7ad71b696267d14d902d [INFO] running `Command { std: "docker" "start" "-a" "195449c8d627300e621a909e177631845a1c7c75669e7ad71b696267d14d902d", 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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] running `Command { std: "docker" "inspect" "195449c8d627300e621a909e177631845a1c7c75669e7ad71b696267d14d902d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "195449c8d627300e621a909e177631845a1c7c75669e7ad71b696267d14d902d", kill_on_drop: false }` [INFO] [stdout] 195449c8d627300e621a909e177631845a1c7c75669e7ad71b696267d14d902d