[INFO] cloning repository https://github.com/wucheng/leetcode-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wucheng/leetcode-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwucheng%2Fleetcode-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwucheng%2Fleetcode-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 31af7426ee4af600f3c11e98886b3cc44e46af88 [INFO] testing wucheng/leetcode-rust against 1.60.0 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwucheng%2Fleetcode-rust" "/workspace/builds/worker-17/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-17/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/wucheng/leetcode-rust on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/wucheng/leetcode-rust [INFO] finished tweaking git repo https://github.com/wucheng/leetcode-rust [INFO] tweaked toml for git repo https://github.com/wucheng/leetcode-rust written to /workspace/builds/worker-17/source/Cargo.toml [INFO] crate git repo https://github.com/wucheng/leetcode-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 353bccce2a0ec6aaddba165c653111145e6e2e62a227ca7ec89dcb879deb35cd [INFO] running `Command { std: "docker" "start" "-a" "353bccce2a0ec6aaddba165c653111145e6e2e62a227ca7ec89dcb879deb35cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "353bccce2a0ec6aaddba165c653111145e6e2e62a227ca7ec89dcb879deb35cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "353bccce2a0ec6aaddba165c653111145e6e2e62a227ca7ec89dcb879deb35cd", kill_on_drop: false }` [INFO] [stdout] 353bccce2a0ec6aaddba165c653111145e6e2e62a227ca7ec89dcb879deb35cd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 06d4f00e7c838aa7adbc60f8fb754440ba93d56605ae45e38e9b89b3cc2d32fb [INFO] running `Command { std: "docker" "start" "-a" "06d4f00e7c838aa7adbc60f8fb754440ba93d56605ae45e38e9b89b3cc2d32fb", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling rand_core v0.3.0 [INFO] [stderr] Compiling autocfg v0.1.2 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling libc v0.2.47 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.4 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling rand_pcg v0.1.1 [INFO] [stderr] Compiling rand_os v0.1.1 [INFO] [stderr] Compiling leetcode_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused attribute `warn` [INFO] [stdout] --> src/s0617_merge_two_binary_trees/merge_two_binary_trees.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | #[warn(unreachable_code)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] note: the built-in attribute `warn` will be ignored, since it's applied to the macro invocation `unreachable` [INFO] [stdout] --> src/s0617_merge_two_binary_trees/merge_two_binary_trees.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | unreachable!() [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/s0617_merge_two_binary_trees/merge_two_binary_trees.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 9 | / match (t1, t2) { [INFO] [stdout] 10 | | (None, None) => return None, [INFO] [stdout] 11 | | (Some(t1_rc), None) => return Some(t1_rc.clone()), [INFO] [stdout] 12 | | (None, Some(t2_rc)) => return Some(t2_rc.clone()), [INFO] [stdout] ... | [INFO] [stdout] 22 | | } [INFO] [stdout] 23 | | } [INFO] [stdout] | |_________- any code following this `match` expression is unreachable, as all arms diverge [INFO] [stdout] 24 | #[warn(unreachable_code)] [INFO] [stdout] 25 | unreachable!() [INFO] [stdout] | ^^^^^^^^^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] = note: this warning originates in the macro `$crate::panic::unreachable_2015` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/s0206_reverse_linked_list/reverse_linked_list.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | 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_list` [INFO] [stdout] --> src/s0206_reverse_linked_list/reverse_linked_list.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn reverse_list(head: Option>) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/s0617_merge_two_binary_trees/merge_two_binary_trees.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `merge_trees` [INFO] [stdout] --> src/s0617_merge_two_binary_trees/merge_two_binary_trees.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn merge_trees(t1: Option>>, t2: Option>>) -> Option>> { [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 2m 45s [INFO] running `Command { std: "docker" "inspect" "06d4f00e7c838aa7adbc60f8fb754440ba93d56605ae45e38e9b89b3cc2d32fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "06d4f00e7c838aa7adbc60f8fb754440ba93d56605ae45e38e9b89b3cc2d32fb", kill_on_drop: false }` [INFO] [stdout] 06d4f00e7c838aa7adbc60f8fb754440ba93d56605ae45e38e9b89b3cc2d32fb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3638e57ad790fbb0992aa4193741b04c379fba2689d8606b32bf1c165c1585b2 [INFO] running `Command { std: "docker" "start" "-a" "3638e57ad790fbb0992aa4193741b04c379fba2689d8606b32bf1c165c1585b2", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling leetcode_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused attribute `warn` [INFO] [stdout] --> src/s0617_merge_two_binary_trees/merge_two_binary_trees.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | #[warn(unreachable_code)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] note: the built-in attribute `warn` will be ignored, since it's applied to the macro invocation `unreachable` [INFO] [stdout] --> src/s0617_merge_two_binary_trees/merge_two_binary_trees.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | unreachable!() [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/s0617_merge_two_binary_trees/merge_two_binary_trees.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 9 | / match (t1, t2) { [INFO] [stdout] 10 | | (None, None) => return None, [INFO] [stdout] 11 | | (Some(t1_rc), None) => return Some(t1_rc.clone()), [INFO] [stdout] 12 | | (None, Some(t2_rc)) => return Some(t2_rc.clone()), [INFO] [stdout] ... | [INFO] [stdout] 22 | | } [INFO] [stdout] 23 | | } [INFO] [stdout] | |_________- any code following this `match` expression is unreachable, as all arms diverge [INFO] [stdout] 24 | #[warn(unreachable_code)] [INFO] [stdout] 25 | unreachable!() [INFO] [stdout] | ^^^^^^^^^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] = note: this warning originates in the macro `$crate::panic::unreachable_2015` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/s0206_reverse_linked_list/reverse_linked_list.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | 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_list` [INFO] [stdout] --> src/s0206_reverse_linked_list/reverse_linked_list.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn reverse_list(head: Option>) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/s0617_merge_two_binary_trees/merge_two_binary_trees.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `merge_trees` [INFO] [stdout] --> src/s0617_merge_two_binary_trees/merge_two_binary_trees.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn merge_trees(t1: Option>>, t2: Option>>) -> Option>> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused attribute `warn` [INFO] [stdout] --> src/s0617_merge_two_binary_trees/merge_two_binary_trees.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | #[warn(unreachable_code)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] note: the built-in attribute `warn` will be ignored, since it's applied to the macro invocation `unreachable` [INFO] [stdout] --> src/s0617_merge_two_binary_trees/merge_two_binary_trees.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | unreachable!() [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/s0617_merge_two_binary_trees/merge_two_binary_trees.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 9 | / match (t1, t2) { [INFO] [stdout] 10 | | (None, None) => return None, [INFO] [stdout] 11 | | (Some(t1_rc), None) => return Some(t1_rc.clone()), [INFO] [stdout] 12 | | (None, Some(t2_rc)) => return Some(t2_rc.clone()), [INFO] [stdout] ... | [INFO] [stdout] 22 | | } [INFO] [stdout] 23 | | } [INFO] [stdout] | |_________- any code following this `match` expression is unreachable, as all arms diverge [INFO] [stdout] 24 | #[warn(unreachable_code)] [INFO] [stdout] 25 | unreachable!() [INFO] [stdout] | ^^^^^^^^^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] = note: this warning originates in the macro `$crate::panic::unreachable_2015` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/s0206_reverse_linked_list/reverse_linked_list.rs:39:13 [INFO] [stdout] | [INFO] [stdout] 39 | let mut third_node = ListNode::new(3); [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 4.07s [INFO] running `Command { std: "docker" "inspect" "3638e57ad790fbb0992aa4193741b04c379fba2689d8606b32bf1c165c1585b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3638e57ad790fbb0992aa4193741b04c379fba2689d8606b32bf1c165c1585b2", kill_on_drop: false }` [INFO] [stdout] 3638e57ad790fbb0992aa4193741b04c379fba2689d8606b32bf1c165c1585b2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "+1.60.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] d032ef860add480a6a8a7b20089503f9d853cbfd462b5bbb7b07dbb91eaed24c [INFO] running `Command { std: "docker" "start" "-a" "d032ef860add480a6a8a7b20089503f9d853cbfd462b5bbb7b07dbb91eaed24c", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused attribute `warn` [INFO] [stderr] --> src/s0617_merge_two_binary_trees/merge_two_binary_trees.rs:24:9 [INFO] [stderr] | [INFO] [stderr] 24 | #[warn(unreachable_code)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_attributes)]` on by default [INFO] [stderr] note: the built-in attribute `warn` will be ignored, since it's applied to the macro invocation `unreachable` [INFO] [stderr] --> src/s0617_merge_two_binary_trees/merge_two_binary_trees.rs:25:9 [INFO] [stderr] | [INFO] [stderr] 25 | unreachable!() [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/s0617_merge_two_binary_trees/merge_two_binary_trees.rs:25:9 [INFO] [stderr] | [INFO] [stderr] 9 | / match (t1, t2) { [INFO] [stderr] 10 | | (None, None) => return None, [INFO] [stderr] 11 | | (Some(t1_rc), None) => return Some(t1_rc.clone()), [INFO] [stderr] 12 | | (None, Some(t2_rc)) => return Some(t2_rc.clone()), [INFO] [stderr] ... | [INFO] [stderr] 22 | | } [INFO] [stderr] 23 | | } [INFO] [stderr] | |_________- any code following this `match` expression is unreachable, as all arms diverge [INFO] [stderr] 24 | #[warn(unreachable_code)] [INFO] [stderr] 25 | unreachable!() [INFO] [stderr] | ^^^^^^^^^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] = note: this warning originates in the macro `$crate::panic::unreachable_2015` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Solution` [INFO] [stderr] --> src/s0206_reverse_linked_list/reverse_linked_list.rs:3:12 [INFO] [stderr] | [INFO] [stderr] 3 | 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_list` [INFO] [stderr] --> src/s0206_reverse_linked_list/reverse_linked_list.rs:6:12 [INFO] [stderr] | [INFO] [stderr] 6 | pub fn reverse_list(head: Option>) -> Option> { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Solution` [INFO] [stderr] --> src/s0617_merge_two_binary_trees/merge_two_binary_trees.rs:6:12 [INFO] [stderr] | [INFO] [stderr] 6 | pub struct Solution; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `merge_trees` [INFO] [stderr] --> src/s0617_merge_two_binary_trees/merge_two_binary_trees.rs:8:12 [INFO] [stderr] | [INFO] [stderr] 8 | pub fn merge_trees(t1: Option>>, t2: Option>>) -> Option>> { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/s0206_reverse_linked_list/reverse_linked_list.rs:39:13 [INFO] [stderr] | [INFO] [stderr] 39 | let mut third_node = ListNode::new(3); [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `leetcode_rust` (lib) generated 6 warnings [INFO] [stderr] warning: `leetcode_rust` (lib test) generated 3 warnings (2 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.81s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/leetcode_rust-f495bf3cb0e0653a) [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test s0206_reverse_linked_list::reverse_linked_list::test::test_none ... ok [INFO] [stdout] test s0206_reverse_linked_list::reverse_linked_list::test::test_reverse_listnode ... ok [INFO] [stdout] test s0617_merge_two_binary_trees::merge_two_binary_trees::tests::test_none_merge_some ... ok [INFO] [stdout] test s0617_merge_two_binary_trees::merge_two_binary_trees::tests::test_some_merge_none ... ok [INFO] [stdout] test s0617_merge_two_binary_trees::merge_two_binary_trees::tests::test_some_merge_some ... ok [INFO] [stdout] test s0617_merge_two_binary_trees::merge_two_binary_trees::tests::test_none_merge_none ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/main-5f96b5401dd7bdff) [INFO] [stdout] [INFO] [stderr] Doc-tests leetcode_rust [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] [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" "d032ef860add480a6a8a7b20089503f9d853cbfd462b5bbb7b07dbb91eaed24c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d032ef860add480a6a8a7b20089503f9d853cbfd462b5bbb7b07dbb91eaed24c", kill_on_drop: false }` [INFO] [stdout] d032ef860add480a6a8a7b20089503f9d853cbfd462b5bbb7b07dbb91eaed24c