[INFO] cloning repository https://github.com/yu-hasebe/leetcode_problems [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yu-hasebe/leetcode_problems" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyu-hasebe%2Fleetcode_problems", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyu-hasebe%2Fleetcode_problems'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 144e2863bd890c3ade840ea2651dbfa2587d6cc7 [INFO] checking yu-hasebe/leetcode_problems against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyu-hasebe%2Fleetcode_problems" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/yu-hasebe/leetcode_problems on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/yu-hasebe/leetcode_problems [INFO] finished tweaking git repo https://github.com/yu-hasebe/leetcode_problems [INFO] tweaked toml for git repo https://github.com/yu-hasebe/leetcode_problems written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/yu-hasebe/leetcode_problems already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4cb9dbf9de1dec826de080bbf61c3155349ef987600073482a16f9b740dee3da [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "4cb9dbf9de1dec826de080bbf61c3155349ef987600073482a16f9b740dee3da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4cb9dbf9de1dec826de080bbf61c3155349ef987600073482a16f9b740dee3da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4cb9dbf9de1dec826de080bbf61c3155349ef987600073482a16f9b740dee3da", kill_on_drop: false }` [INFO] [stdout] 4cb9dbf9de1dec826de080bbf61c3155349ef987600073482a16f9b740dee3da [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] fa04c69f6c9e73539ebc55ec08a4fa60face1e824b7913dcc15d9e83162667ce [INFO] running `Command { std: "docker" "start" "-a" "fa04c69f6c9e73539ebc55ec08a4fa60face1e824b7913dcc15d9e83162667ce", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking leetcode_problems v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> src/answers/n0005_longest_palindromic_substring.rs:12:17 [INFO] [stdout] | [INFO] [stdout] 12 | for (i, c) in chars.iter().enumerate() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> src/answers/n0005_longest_palindromic_substring.rs:12:17 [INFO] [stdout] | [INFO] [stdout] 12 | for (i, c) in chars.iter().enumerate() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/answers/n0001_two_sum.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct Solution {} [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: `two_sum` [INFO] [stdout] --> src/answers/n0001_two_sum.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn two_sum(nums: Vec, target: i32) -> Vec { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/answers/n0002_add_two_numbers.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct Solution(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `add_two_numbers` [INFO] [stdout] --> src/answers/n0002_add_two_numbers.rs:23:12 [INFO] [stdout] | [INFO] [stdout] 23 | pub fn add_two_numbers( [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/answers/n0003_longest_substring_without_repeating_characters.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `length_of_longest_substring` [INFO] [stdout] --> src/answers/n0003_longest_substring_without_repeating_characters.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | 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/answers/n0005_longest_palindromic_substring.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `longest_palindrome` [INFO] [stdout] --> src/answers/n0005_longest_palindromic_substring.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn longest_palindrome(s: String) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/answers/n0011_container_with_most_water.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `max_area` [INFO] [stdout] --> src/answers/n0011_container_with_most_water.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn max_area(height: Vec) -> i32 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/answers/n0015_3sum.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `three_sum` [INFO] [stdout] --> src/answers/n0015_3sum.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn three_sum(nums: Vec) -> Vec> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/utils/linked_list.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | pub fn new(val: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `to_list` [INFO] [stdout] --> src/utils/linked_list.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn to_list(vec: Vec) -> Option> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.78s [INFO] running `Command { std: "docker" "inspect" "fa04c69f6c9e73539ebc55ec08a4fa60face1e824b7913dcc15d9e83162667ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fa04c69f6c9e73539ebc55ec08a4fa60face1e824b7913dcc15d9e83162667ce", kill_on_drop: false }` [INFO] [stdout] fa04c69f6c9e73539ebc55ec08a4fa60face1e824b7913dcc15d9e83162667ce