[INFO] cloning repository https://github.com/Pixselve/leetcode-solutions-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Pixselve/leetcode-solutions-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPixselve%2Fleetcode-solutions-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPixselve%2Fleetcode-solutions-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 323bbee869356f226913596a02e943438e3f0d92 [INFO] testing Pixselve/leetcode-solutions-rust against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPixselve%2Fleetcode-solutions-rust" "/workspace/builds/worker-10/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Pixselve/leetcode-solutions-rust on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Pixselve/leetcode-solutions-rust [INFO] finished tweaking git repo https://github.com/Pixselve/leetcode-solutions-rust [INFO] tweaked toml for git repo https://github.com/Pixselve/leetcode-solutions-rust written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate git repo https://github.com/Pixselve/leetcode-solutions-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fb9ee10a00e9feccde8a4abe624ab7caa79ba32ded8b276f0baccd31e401a9f2 [INFO] running `Command { std: "docker" "start" "-a" "fb9ee10a00e9feccde8a4abe624ab7caa79ba32ded8b276f0baccd31e401a9f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fb9ee10a00e9feccde8a4abe624ab7caa79ba32ded8b276f0baccd31e401a9f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fb9ee10a00e9feccde8a4abe624ab7caa79ba32ded8b276f0baccd31e401a9f2", kill_on_drop: false }` [INFO] [stdout] fb9ee10a00e9feccde8a4abe624ab7caa79ba32ded8b276f0baccd31e401a9f2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e93f8829e180f58fa5c9c10bc3295b3c9bfa9765487349503e05ac940153d28f [INFO] running `Command { std: "docker" "start" "-a" "e93f8829e180f58fa5c9c10bc3295b3c9bfa9765487349503e05ac940153d28f", kill_on_drop: false }` [INFO] [stderr] Compiling leetcode v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `two_sum` [INFO] [stdout] --> src/two_sum.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn two_sum(nums: Vec, target: i32) -> Vec { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/add_two_numbers.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 10 | fn new(val: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `append` [INFO] [stdout] --> src/add_two_numbers.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | fn append(&mut self, val: i32) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `from_vec` [INFO] [stdout] --> src/add_two_numbers.rs:20:8 [INFO] [stdout] | [INFO] [stdout] 20 | fn from_vec(vec: Vec) -> Self { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/add_two_numbers.rs:29:12 [INFO] [stdout] | [INFO] [stdout] 29 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `create_option_box` [INFO] [stdout] --> src/add_two_numbers.rs:32:8 [INFO] [stdout] | [INFO] [stdout] 32 | fn create_option_box(val: i32, next: Option>) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `add_two_numbers` [INFO] [stdout] --> src/add_two_numbers.rs:38:12 [INFO] [stdout] | [INFO] [stdout] 38 | pub fn add_two_numbers( [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/longest_substring_without_repeating_characters.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `length_of_longest_substring` [INFO] [stdout] --> src/longest_substring_without_repeating_characters.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn length_of_longest_substring(s: String) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/minimum_number_of_moves_to_seat_everyone.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `min_moves_to_seat` [INFO] [stdout] --> src/minimum_number_of_moves_to_seat_everyone.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn min_moves_to_seat(seats: Vec, students: Vec) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/roman_to_integer.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `roman_to_int` [INFO] [stdout] --> src/roman_to_integer.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn roman_to_int(s: String) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/longest_common_prefix.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `longest_common_prefix` [INFO] [stdout] --> src/longest_common_prefix.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn longest_common_prefix(strs: Vec) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/valid_parentheses.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 2 | struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_valid` [INFO] [stdout] --> src/valid_parentheses.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn is_valid(s: String) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/palindrome_number.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Solution{} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_palindrome` [INFO] [stdout] --> src/palindrome_number.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn is_palindrome(x: i32) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 19 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.68s [INFO] running `Command { std: "docker" "inspect" "e93f8829e180f58fa5c9c10bc3295b3c9bfa9765487349503e05ac940153d28f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e93f8829e180f58fa5c9c10bc3295b3c9bfa9765487349503e05ac940153d28f", kill_on_drop: false }` [INFO] [stdout] e93f8829e180f58fa5c9c10bc3295b3c9bfa9765487349503e05ac940153d28f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ee1a9ea01af19cd3b0c992bdb0d519f6dfd3cf737f12bb0bf89d7df49869ffde [INFO] running `Command { std: "docker" "start" "-a" "ee1a9ea01af19cd3b0c992bdb0d519f6dfd3cf737f12bb0bf89d7df49869ffde", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling leetcode v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.39s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/leetcode-cca0003713a2724e) [INFO] running `Command { std: "docker" "inspect" "ee1a9ea01af19cd3b0c992bdb0d519f6dfd3cf737f12bb0bf89d7df49869ffde", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ee1a9ea01af19cd3b0c992bdb0d519f6dfd3cf737f12bb0bf89d7df49869ffde", kill_on_drop: false }` [INFO] [stdout] ee1a9ea01af19cd3b0c992bdb0d519f6dfd3cf737f12bb0bf89d7df49869ffde [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 205688d4fedab6b15bf30baa8650fd75996116cc4ae53d94efe8cbc01e9f8d2d [INFO] running `Command { std: "docker" "start" "-a" "205688d4fedab6b15bf30baa8650fd75996116cc4ae53d94efe8cbc01e9f8d2d", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.30s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/leetcode-cca0003713a2724e) [INFO] [stdout] [INFO] [stdout] running 23 tests [INFO] [stdout] test add_two_numbers::tests::test_1 ... ok [INFO] [stdout] test longest_common_prefix::tests::test ... ok [INFO] [stdout] test longest_substring_without_repeating_characters::tests::test_1 ... ok [INFO] [stdout] test add_two_numbers::tests::test_2 ... ok [INFO] [stdout] test longest_substring_without_repeating_characters::tests::test_4 ... ok [INFO] [stdout] test longest_substring_without_repeating_characters::tests::test_2 ... ok [INFO] [stdout] test longest_substring_without_repeating_characters::tests::test_3 ... ok [INFO] [stdout] test longest_substring_without_repeating_characters::tests::test_5 ... ok [INFO] [stdout] test longest_substring_without_repeating_characters::tests::test_6 ... ok [INFO] [stdout] test longest_substring_without_repeating_characters::tests::test_7 ... ok [INFO] [stdout] test longest_substring_without_repeating_characters::tests::test_8 ... ok [INFO] [stdout] test longest_substring_without_repeating_characters::tests::test_9 ... ok [INFO] [stdout] test minimum_number_of_moves_to_seat_everyone::tests::test_1 ... ok [INFO] [stdout] test minimum_number_of_moves_to_seat_everyone::tests::test_2 ... ok [INFO] [stdout] test minimum_number_of_moves_to_seat_everyone::tests::test_3 ... ok [INFO] [stdout] test palindrome_number::tests::tests ... ok [INFO] [stdout] test roman_to_integer::tests::test ... ok [INFO] [stdout] test two_sum::tests::test_3 ... ok [INFO] [stdout] test two_sum::tests::test_1 ... ok [INFO] [stdout] test two_sum::tests::test_2 ... ok [INFO] [stdout] test two_sum::tests::test_4 ... ok [INFO] [stdout] test two_sum::tests::test_5 ... ok [INFO] [stdout] test valid_parentheses::tests::tests ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "205688d4fedab6b15bf30baa8650fd75996116cc4ae53d94efe8cbc01e9f8d2d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "205688d4fedab6b15bf30baa8650fd75996116cc4ae53d94efe8cbc01e9f8d2d", kill_on_drop: false }` [INFO] [stdout] 205688d4fedab6b15bf30baa8650fd75996116cc4ae53d94efe8cbc01e9f8d2d