[INFO] cloning repository https://github.com/noda-sin/leetcode [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/noda-sin/leetcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoda-sin%2Fleetcode", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoda-sin%2Fleetcode'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e5e7a3d0c41e2f3a6bda58267adaeb0f031e0c8c [INFO] testing noda-sin/leetcode against beta-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoda-sin%2Fleetcode" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/noda-sin/leetcode on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/noda-sin/leetcode [INFO] finished tweaking git repo https://github.com/noda-sin/leetcode [INFO] tweaked toml for git repo https://github.com/noda-sin/leetcode written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/noda-sin/leetcode already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9ac57e6377632acee92145913f2cf51e47e8245511d6e2cbb56f08ee69f85229 [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" "9ac57e6377632acee92145913f2cf51e47e8245511d6e2cbb56f08ee69f85229", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9ac57e6377632acee92145913f2cf51e47e8245511d6e2cbb56f08ee69f85229", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9ac57e6377632acee92145913f2cf51e47e8245511d6e2cbb56f08ee69f85229", kill_on_drop: false }` [INFO] [stdout] 9ac57e6377632acee92145913f2cf51e47e8245511d6e2cbb56f08ee69f85229 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4b2d7e83daebd3c2265805cd68ec012ae1048d3c35541d1a8b0fb8ac4c26c526 [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" "4b2d7e83daebd3c2265805cd68ec012ae1048d3c35541d1a8b0fb8ac4c26c526", kill_on_drop: false }` [INFO] [stderr] Compiling leetcode v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s7_reverse_integer.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: `reverse` [INFO] [stdout] --> src/solution/s7_reverse_integer.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn reverse(x: i32) -> i32 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s9_palindrome_number.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: `is_palindrome` [INFO] [stdout] --> src/solution/s9_palindrome_number.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn is_palindrome(x: i32) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s20200221_broken_calculator.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: `broken_calc` [INFO] [stdout] --> src/solution/s20200221_broken_calculator.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn broken_calc(x: i32, y: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.34s [INFO] running `Command { std: "docker" "inspect" "4b2d7e83daebd3c2265805cd68ec012ae1048d3c35541d1a8b0fb8ac4c26c526", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4b2d7e83daebd3c2265805cd68ec012ae1048d3c35541d1a8b0fb8ac4c26c526", kill_on_drop: false }` [INFO] [stdout] 4b2d7e83daebd3c2265805cd68ec012ae1048d3c35541d1a8b0fb8ac4c26c526 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1b047284f788b8cf8afe0a3aa6b43c9757abfb6161e98352a622020cc1d77009 [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" "1b047284f788b8cf8afe0a3aa6b43c9757abfb6161e98352a622020cc1d77009", kill_on_drop: false }` [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s7_reverse_integer.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] [stderr] Compiling leetcode v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `reverse` [INFO] [stdout] --> src/solution/s7_reverse_integer.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn reverse(x: i32) -> i32 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s9_palindrome_number.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: `is_palindrome` [INFO] [stdout] --> src/solution/s9_palindrome_number.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn is_palindrome(x: i32) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution/s20200221_broken_calculator.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: `broken_calc` [INFO] [stdout] --> src/solution/s20200221_broken_calculator.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn broken_calc(x: i32, y: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.79s [INFO] running `Command { std: "docker" "inspect" "1b047284f788b8cf8afe0a3aa6b43c9757abfb6161e98352a622020cc1d77009", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1b047284f788b8cf8afe0a3aa6b43c9757abfb6161e98352a622020cc1d77009", kill_on_drop: false }` [INFO] [stdout] 1b047284f788b8cf8afe0a3aa6b43c9757abfb6161e98352a622020cc1d77009 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 0279dbb4f870da9cecdd7134475ad884a4ccd2830ef2be47886bf9d7c60b8be4 [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" "0279dbb4f870da9cecdd7134475ad884a4ccd2830ef2be47886bf9d7c60b8be4", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: struct is never constructed: `Solution` [INFO] [stderr] --> src/solution/s7_reverse_integer.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | pub struct Solution {} [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `reverse` [INFO] [stderr] --> src/solution/s7_reverse_integer.rs:4:12 [INFO] [stderr] | [INFO] [stderr] 4 | pub fn reverse(x: i32) -> i32 { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Solution` [INFO] [stderr] --> src/solution/s9_palindrome_number.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | pub struct Solution {} [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `is_palindrome` [INFO] [stderr] --> src/solution/s9_palindrome_number.rs:4:12 [INFO] [stderr] | [INFO] [stderr] 4 | pub fn is_palindrome(x: i32) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Solution` [INFO] [stderr] --> src/solution/s20200221_broken_calculator.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | pub struct Solution {} [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `broken_calc` [INFO] [stderr] --> src/solution/s20200221_broken_calculator.rs:4:12 [INFO] [stderr] | [INFO] [stderr] 4 | pub fn broken_calc(x: i32, y: i32) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `leetcode` (lib) generated 6 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.37s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/leetcode-d645904b26405615) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stderr] Doc-tests leetcode [INFO] [stdout] test solution::s20200221_broken_calculator::tests::test ... ok [INFO] [stdout] test solution::s9_palindrome_number::tests::test ... ok [INFO] [stdout] test solution::s7_reverse_integer::tests::test ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "0279dbb4f870da9cecdd7134475ad884a4ccd2830ef2be47886bf9d7c60b8be4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0279dbb4f870da9cecdd7134475ad884a4ccd2830ef2be47886bf9d7c60b8be4", kill_on_drop: false }` [INFO] [stdout] 0279dbb4f870da9cecdd7134475ad884a4ccd2830ef2be47886bf9d7c60b8be4