[INFO] cloning repository https://github.com/swirling-wind/leetcode_exercises_in_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/swirling-wind/leetcode_exercises_in_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswirling-wind%2Fleetcode_exercises_in_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswirling-wind%2Fleetcode_exercises_in_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4a28422bbb9538aee75a229182c283062610e488 [INFO] testing swirling-wind/leetcode_exercises_in_rust against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswirling-wind%2Fleetcode_exercises_in_rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/swirling-wind/leetcode_exercises_in_rust [INFO] finished tweaking git repo https://github.com/swirling-wind/leetcode_exercises_in_rust [INFO] tweaked toml for git repo https://github.com/swirling-wind/leetcode_exercises_in_rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/swirling-wind/leetcode_exercises_in_rust on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/swirling-wind/leetcode_exercises_in_rust 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded libc v0.2.133 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] de3dc5b325adf90ec2346e7ff2ee8e69d0422b3857d5c6618f4415809a24c6ab [INFO] running `Command { std: "docker" "start" "-a" "de3dc5b325adf90ec2346e7ff2ee8e69d0422b3857d5c6618f4415809a24c6ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "de3dc5b325adf90ec2346e7ff2ee8e69d0422b3857d5c6618f4415809a24c6ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "de3dc5b325adf90ec2346e7ff2ee8e69d0422b3857d5c6618f4415809a24c6ab", kill_on_drop: false }` [INFO] [stdout] de3dc5b325adf90ec2346e7ff2ee8e69d0422b3857d5c6618f4415809a24c6ab [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dbaa9ed21627bf95c568725e172beb78a2ae41f5d8ebfe97bed4537f656e20fb [INFO] running `Command { std: "docker" "start" "-a" "dbaa9ed21627bf95c568725e172beb78a2ae41f5d8ebfe97bed4537f656e20fb", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.133 [INFO] [stderr] Compiling ppv-lite86 v0.2.16 [INFO] [stderr] Compiling getrandom v0.2.7 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling leetcode_exercises_in_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/cw_10_23.rs:22:13 [INFO] [stdout] | [INFO] [stdout] 21 | (todo!()); [INFO] [stdout] | ------- any code following this expression is unreachable [INFO] [stdout] 22 | trial_sqrt -= 1; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cw_10_23.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | let mut result: Vec = vec![]; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cw_10_23.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | let mut remains = n.pow(2); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cw_10_23.rs:3:24 [INFO] [stdout] | [INFO] [stdout] 3 | fn inner_decompose(mut remains: i32, next_sqrt: i32)-> Option> { [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cw_10_23.rs:4:13 [INFO] [stdout] | [INFO] [stdout] 4 | let mut trial_sqrt = next_sqrt; [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cw_10_23.rs:5:13 [INFO] [stdout] | [INFO] [stdout] 5 | let mut temp_result: Option> = None; [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `decompose` is never used [INFO] [stdout] --> src/cw_10_23.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn decompose(n: i64) -> Option> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `testing` is never used [INFO] [stdout] --> src/cw_10_23.rs:43:4 [INFO] [stdout] | [INFO] [stdout] 43 | fn testing(n: i64, exp: Option>) -> () { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.35s [INFO] running `Command { std: "docker" "inspect" "dbaa9ed21627bf95c568725e172beb78a2ae41f5d8ebfe97bed4537f656e20fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dbaa9ed21627bf95c568725e172beb78a2ae41f5d8ebfe97bed4537f656e20fb", kill_on_drop: false }` [INFO] [stdout] dbaa9ed21627bf95c568725e172beb78a2ae41f5d8ebfe97bed4537f656e20fb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2e9e08dd315795cae0f9168d3b2b4262b29393df8c7283f596025ab87961830d [INFO] running `Command { std: "docker" "start" "-a" "2e9e08dd315795cae0f9168d3b2b4262b29393df8c7283f596025ab87961830d", kill_on_drop: false }` [INFO] [stderr] Compiling leetcode_exercises_in_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/cw_10_23.rs:22:13 [INFO] [stdout] | [INFO] [stdout] 21 | (todo!()); [INFO] [stdout] | ------- any code following this expression is unreachable [INFO] [stdout] 22 | trial_sqrt -= 1; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cw_10_23.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | let mut result: Vec = vec![]; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cw_10_23.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | let mut remains = n.pow(2); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cw_10_23.rs:3:24 [INFO] [stdout] | [INFO] [stdout] 3 | fn inner_decompose(mut remains: i32, next_sqrt: i32)-> Option> { [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cw_10_23.rs:4:13 [INFO] [stdout] | [INFO] [stdout] 4 | let mut trial_sqrt = next_sqrt; [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cw_10_23.rs:5:13 [INFO] [stdout] | [INFO] [stdout] 5 | let mut temp_result: Option> = None; [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `inner_decompose` is never used [INFO] [stdout] --> src/cw_10_23.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | fn inner_decompose(mut remains: i32, next_sqrt: i32)-> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s [INFO] running `Command { std: "docker" "inspect" "2e9e08dd315795cae0f9168d3b2b4262b29393df8c7283f596025ab87961830d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2e9e08dd315795cae0f9168d3b2b4262b29393df8c7283f596025ab87961830d", kill_on_drop: false }` [INFO] [stdout] 2e9e08dd315795cae0f9168d3b2b4262b29393df8c7283f596025ab87961830d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] fcfb0cca9e85810712509da37a68d1dd6a8ec4ac8246d747b78409d960189de2 [INFO] running `Command { std: "docker" "start" "-a" "fcfb0cca9e85810712509da37a68d1dd6a8ec4ac8246d747b78409d960189de2", kill_on_drop: false }` [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> src/cw_10_23.rs:22:13 [INFO] [stderr] | [INFO] [stderr] 21 | (todo!()); [INFO] [stderr] | ------- any code following this expression is unreachable [INFO] [stderr] 22 | trial_sqrt -= 1; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/cw_10_23.rs:27:9 [INFO] [stderr] | [INFO] [stderr] 27 | let mut result: Vec = vec![]; [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/cw_10_23.rs:29:9 [INFO] [stderr] | [INFO] [stderr] 29 | let mut remains = n.pow(2); [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/cw_10_23.rs:3:24 [INFO] [stderr] | [INFO] [stderr] 3 | fn inner_decompose(mut remains: i32, next_sqrt: i32)-> Option> { [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/cw_10_23.rs:4:13 [INFO] [stderr] | [INFO] [stderr] 4 | let mut trial_sqrt = next_sqrt; [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/cw_10_23.rs:5:13 [INFO] [stderr] | [INFO] [stderr] 5 | let mut temp_result: Option> = None; [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function `inner_decompose` is never used [INFO] [stderr] --> src/cw_10_23.rs:3:8 [INFO] [stderr] | [INFO] [stderr] 3 | fn inner_decompose(mut remains: i32, next_sqrt: i32)-> Option> { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `leetcode_exercises_in_rust` (bin "leetcode_exercises_in_rust" test) generated 7 warnings (run `cargo fix --bin "leetcode_exercises_in_rust" -p leetcode_exercises_in_rust --tests` to apply 5 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/leetcode_exercises_in_rust-4655f5173944aea1) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test cw_10_23::tests_decompose ... ignored [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "fcfb0cca9e85810712509da37a68d1dd6a8ec4ac8246d747b78409d960189de2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fcfb0cca9e85810712509da37a68d1dd6a8ec4ac8246d747b78409d960189de2", kill_on_drop: false }` [INFO] [stdout] fcfb0cca9e85810712509da37a68d1dd6a8ec4ac8246d747b78409d960189de2