[INFO] cloning repository https://github.com/didof/leet_code_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/didof/leet_code_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdidof%2Fleet_code_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdidof%2Fleet_code_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c3dfe16a241ba3f1abfcf56978361b8b14f448a8 [INFO] testing didof/leet_code_rust against beta-2022-02-22 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdidof%2Fleet_code_rust" "/workspace/builds/worker-28/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-28/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/didof/leet_code_rust on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/didof/leet_code_rust [INFO] finished tweaking git repo https://github.com/didof/leet_code_rust [INFO] tweaked toml for git repo https://github.com/didof/leet_code_rust written to /workspace/builds/worker-28/source/Cargo.toml [INFO] crate git repo https://github.com/didof/leet_code_rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f54d7892ac9d05166c0b4fbed5bf1fa7d5d670e175cdd859f6d0ef0af5ebcf52 [INFO] running `Command { std: "docker" "start" "-a" "f54d7892ac9d05166c0b4fbed5bf1fa7d5d670e175cdd859f6d0ef0af5ebcf52", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f54d7892ac9d05166c0b4fbed5bf1fa7d5d670e175cdd859f6d0ef0af5ebcf52", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f54d7892ac9d05166c0b4fbed5bf1fa7d5d670e175cdd859f6d0ef0af5ebcf52", kill_on_drop: false }` [INFO] [stdout] f54d7892ac9d05166c0b4fbed5bf1fa7d5d670e175cdd859f6d0ef0af5ebcf52 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bf09ccb3dd772c4425ef91985a822f4aac06d47cae774b4558b012bbc963446f [INFO] running `Command { std: "docker" "start" "-a" "bf09ccb3dd772c4425ef91985a822f4aac06d47cae774b4558b012bbc963446f", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling leet_code v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct is never constructed: `PalindromeNumber` [INFO] [stdout] --> src/easy/id9_palindrome_number.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct PalindromeNumber; [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: `is_palindrome` [INFO] [stdout] --> src/easy/id9_palindrome_number.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | fn is_palindrome(mut x: i32) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `RomanNumbers` [INFO] [stdout] --> src/easy/id13_roman_numbers.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct RomanNumbers; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `from_roman_to_int32` [INFO] [stdout] --> src/easy/id13_roman_numbers.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | fn from_roman_to_int32(rn: String) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `TwoSum` [INFO] [stdout] --> src/easy/id1_two_sum.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct TwoSum; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `brute_force` [INFO] [stdout] --> src/easy/id1_two_sum.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 16 | fn brute_force(nums: Vec, target: i32) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `two_pass_hash_map` [INFO] [stdout] --> src/easy/id1_two_sum.rs:33:8 [INFO] [stdout] | [INFO] [stdout] 33 | fn two_pass_hash_map(nums: Vec, target: i32) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `one_pass_hash_map` [INFO] [stdout] --> src/easy/id1_two_sum.rs:58:8 [INFO] [stdout] | [INFO] [stdout] 58 | fn one_pass_hash_map(nums: Vec, target: i32) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.94s [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "bf09ccb3dd772c4425ef91985a822f4aac06d47cae774b4558b012bbc963446f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bf09ccb3dd772c4425ef91985a822f4aac06d47cae774b4558b012bbc963446f", kill_on_drop: false }` [INFO] [stdout] bf09ccb3dd772c4425ef91985a822f4aac06d47cae774b4558b012bbc963446f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b584f2cf952a1f01d19cafcbd3975617521d0be15cd3e15257ac3810cb867535 [INFO] running `Command { std: "docker" "start" "-a" "b584f2cf952a1f01d19cafcbd3975617521d0be15cd3e15257ac3810cb867535", kill_on_drop: false }` [INFO] [stderr] Compiling leet_code v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.50s [INFO] running `Command { std: "docker" "inspect" "b584f2cf952a1f01d19cafcbd3975617521d0be15cd3e15257ac3810cb867535", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b584f2cf952a1f01d19cafcbd3975617521d0be15cd3e15257ac3810cb867535", kill_on_drop: false }` [INFO] [stdout] b584f2cf952a1f01d19cafcbd3975617521d0be15cd3e15257ac3810cb867535 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] ab1c86c027b51363bef13e1b77c82fcca1d89d119a08cecafe41434cb270740a [INFO] running `Command { std: "docker" "start" "-a" "ab1c86c027b51363bef13e1b77c82fcca1d89d119a08cecafe41434cb270740a", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.00s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/leet_code-7f5662fbf45c9f6d) [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test palindrome_number::test ... ok [INFO] [stdout] test roman_numbers::test ... ok [INFO] [stdout] test two_sum::test_brute_force ... ok [INFO] [stdout] test two_sum::test_one_pass_hash_map ... ok [INFO] [stdout] test two_sum::test_two_pass_hash_map ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "ab1c86c027b51363bef13e1b77c82fcca1d89d119a08cecafe41434cb270740a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ab1c86c027b51363bef13e1b77c82fcca1d89d119a08cecafe41434cb270740a", kill_on_drop: false }` [INFO] [stdout] ab1c86c027b51363bef13e1b77c82fcca1d89d119a08cecafe41434cb270740a