[INFO] cloning repository https://github.com/littlebluewhite/rust_algorithm [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/littlebluewhite/rust_algorithm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flittlebluewhite%2Frust_algorithm", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flittlebluewhite%2Frust_algorithm'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 26c34fac37992db1ce2cc52e4a24dc289cf91d75 [INFO] testing littlebluewhite/rust_algorithm against try#c066bf6804adc55193b71afdff6a56922f4a8689+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_in_2025-retry-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flittlebluewhite%2Frust_algorithm" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/littlebluewhite/rust_algorithm [INFO] finished tweaking git repo https://github.com/littlebluewhite/rust_algorithm [INFO] tweaked toml for git repo https://github.com/littlebluewhite/rust_algorithm written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/littlebluewhite/rust_algorithm on toolchain c066bf6804adc55193b71afdff6a56922f4a8689 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/littlebluewhite/rust_algorithm 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" "+c066bf6804adc55193b71afdff6a56922f4a8689" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 95b4e24da1b88d84e463310a8812cf92e7edc17553250566081fdb23f92f18a0 [INFO] running `Command { std: "docker" "start" "-a" "95b4e24da1b88d84e463310a8812cf92e7edc17553250566081fdb23f92f18a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "95b4e24da1b88d84e463310a8812cf92e7edc17553250566081fdb23f92f18a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "95b4e24da1b88d84e463310a8812cf92e7edc17553250566081fdb23f92f18a0", kill_on_drop: false }` [INFO] [stdout] 95b4e24da1b88d84e463310a8812cf92e7edc17553250566081fdb23f92f18a0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 6f779a93eb77d94f8ebd70145b1d34a7002ecbf9d6eed301d78bbec311f2f35c [INFO] running `Command { std: "docker" "start" "-a" "6f779a93eb77d94f8ebd70145b1d34a7002ecbf9d6eed301d78bbec311f2f35c", kill_on_drop: false }` [INFO] [stderr] Compiling book v0.1.0 (/opt/rustwide/workdir/book) [INFO] [stderr] Compiling leetcode v0.1.0 (/opt/rustwide/workdir/leetcode) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> leetcode/src/question/w4.rs:1:31 [INFO] [stdout] | [INFO] [stdout] 1 | fn find_median_sorted_arrays2(mut a: Vec, mut b: Vec) -> f64 { [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: variable does not need to be mutable [INFO] [stdout] --> leetcode/src/question/w4.rs:1:48 [INFO] [stdout] | [INFO] [stdout] 1 | fn find_median_sorted_arrays2(mut a: Vec, mut b: Vec) -> f64 { [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `list` [INFO] [stdout] --> book/src/chapter/c13.rs:63:13 [INFO] [stdout] | [INFO] [stdout] 63 | let mut list = [ [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_list` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> book/src/chapter/c13.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 63 | let mut list = [ [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: unused variable: `c` [INFO] [stdout] --> book/src/chapter/c15.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | let c = CustomSmartPointer { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `d` [INFO] [stdout] --> book/src/chapter/c15.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | let d = CustomSmartPointer { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_d` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> book/src/chapter/c15.rs:48:9 [INFO] [stdout] | [INFO] [stdout] 48 | let f =*value.borrow_mut(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `height` is never read [INFO] [stdout] --> book/src/chapter/c13.rs:59:5 [INFO] [stdout] | [INFO] [stdout] 57 | struct Rectangle { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 58 | width: u32, [INFO] [stdout] 59 | height: u32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Rectangle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Shoe` is never constructed [INFO] [stdout] --> book/src/chapter/c13.rs:84:8 [INFO] [stdout] | [INFO] [stdout] 84 | struct Shoe { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Shoe` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `shoes_in_size` is never used [INFO] [stdout] --> book/src/chapter/c13.rs:89:4 [INFO] [stdout] | [INFO] [stdout] 89 | fn shoes_in_size(shoes: Vec, shoe_size: u32) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> book/src/chapter/c15.rs:32:10 [INFO] [stdout] | [INFO] [stdout] 32 | Cons(Rc>, Rc), [INFO] [stdout] | ---- ^^^^^^^^^^^^^^^^ ^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `List` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 32 - Cons(Rc>, Rc), [INFO] [stdout] 32 + Cons((), ()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `find_median_sorted_arrays2` is never used [INFO] [stdout] --> leetcode/src/question/w4.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn find_median_sorted_arrays2(mut a: Vec, mut b: Vec) -> f64 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rust_algorithm v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.43s [INFO] running `Command { std: "docker" "inspect" "6f779a93eb77d94f8ebd70145b1d34a7002ecbf9d6eed301d78bbec311f2f35c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6f779a93eb77d94f8ebd70145b1d34a7002ecbf9d6eed301d78bbec311f2f35c", kill_on_drop: false }` [INFO] [stdout] 6f779a93eb77d94f8ebd70145b1d34a7002ecbf9d6eed301d78bbec311f2f35c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 9ffc98425f9d32266ad1f65d4da97391336a18c43ffed610352cb0647dc4a773 [INFO] running `Command { std: "docker" "start" "-a" "9ffc98425f9d32266ad1f65d4da97391336a18c43ffed610352cb0647dc4a773", kill_on_drop: false }` [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> leetcode/src/question/w4.rs:1:31 [INFO] [stdout] | [INFO] [stdout] 1 | fn find_median_sorted_arrays2(mut a: Vec, mut b: Vec) -> f64 { [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: variable does not need to be mutable [INFO] [stdout] --> leetcode/src/question/w4.rs:1:48 [INFO] [stdout] | [INFO] [stdout] 1 | fn find_median_sorted_arrays2(mut a: Vec, mut b: Vec) -> f64 { [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rust_algorithm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function `find_median_sorted_arrays2` is never used [INFO] [stdout] --> leetcode/src/question/w4.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn find_median_sorted_arrays2(mut a: Vec, mut b: Vec) -> f64 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `list` [INFO] [stdout] --> book/src/chapter/c13.rs:63:13 [INFO] [stdout] | [INFO] [stdout] 63 | let mut list = [ [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_list` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> book/src/chapter/c13.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 63 | let mut list = [ [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: unused variable: `c` [INFO] [stdout] --> book/src/chapter/c15.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | let c = CustomSmartPointer { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `d` [INFO] [stdout] --> book/src/chapter/c15.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | let d = CustomSmartPointer { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_d` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> book/src/chapter/c15.rs:48:9 [INFO] [stdout] | [INFO] [stdout] 48 | let f =*value.borrow_mut(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `height` is never read [INFO] [stdout] --> book/src/chapter/c13.rs:59:5 [INFO] [stdout] | [INFO] [stdout] 57 | struct Rectangle { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 58 | width: u32, [INFO] [stdout] 59 | height: u32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Rectangle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Shoe` is never constructed [INFO] [stdout] --> book/src/chapter/c13.rs:84:8 [INFO] [stdout] | [INFO] [stdout] 84 | struct Shoe { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Shoe` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `shoes_in_size` is never used [INFO] [stdout] --> book/src/chapter/c13.rs:89:4 [INFO] [stdout] | [INFO] [stdout] 89 | fn shoes_in_size(shoes: Vec, shoe_size: u32) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> book/src/chapter/c15.rs:32:10 [INFO] [stdout] | [INFO] [stdout] 32 | Cons(Rc>, Rc), [INFO] [stdout] | ---- ^^^^^^^^^^^^^^^^ ^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `List` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 32 - Cons(Rc>, Rc), [INFO] [stdout] 32 + Cons((), ()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.50s [INFO] running `Command { std: "docker" "inspect" "9ffc98425f9d32266ad1f65d4da97391336a18c43ffed610352cb0647dc4a773", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9ffc98425f9d32266ad1f65d4da97391336a18c43ffed610352cb0647dc4a773", kill_on_drop: false }` [INFO] [stdout] 9ffc98425f9d32266ad1f65d4da97391336a18c43ffed610352cb0647dc4a773 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] ca3572b695906b5e98842e90abde6b1233c48237a98252d7040a1ea0549cacfa [INFO] running `Command { std: "docker" "start" "-a" "ca3572b695906b5e98842e90abde6b1233c48237a98252d7040a1ea0549cacfa", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stdout] [INFO] [stderr] --> leetcode/src/question/w4.rs:1:31 [INFO] [stdout] running 0 tests [INFO] [stderr] | [INFO] [stderr] 1 | fn find_median_sorted_arrays2(mut a: Vec, mut b: Vec) -> f64 { [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: variable does not need to be mutable [INFO] [stderr] --> leetcode/src/question/w4.rs:1:48 [INFO] [stderr] | [INFO] [stderr] 1 | fn find_median_sorted_arrays2(mut a: Vec, mut b: Vec) -> f64 { [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function `find_median_sorted_arrays2` is never used [INFO] [stderr] --> leetcode/src/question/w4.rs:1:4 [INFO] [stderr] | [INFO] [stderr] 1 | fn find_median_sorted_arrays2(mut a: Vec, mut b: Vec) -> f64 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `leetcode` (lib) generated 3 warnings (run `cargo fix --lib -p leetcode` to apply 2 suggestions) [INFO] [stderr] warning: unused variable: `list` [INFO] [stderr] --> book/src/chapter/c13.rs:63:13 [INFO] [stderr] | [INFO] [stderr] 63 | let mut list = [ [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_list` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> book/src/chapter/c13.rs:63:9 [INFO] [stderr] | [INFO] [stderr] 63 | let mut list = [ [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: unused variable: `c` [INFO] [stderr] --> book/src/chapter/c15.rs:12:9 [INFO] [stderr] | [INFO] [stderr] 12 | let c = CustomSmartPointer { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `d` [INFO] [stderr] --> book/src/chapter/c15.rs:15:9 [INFO] [stderr] | [INFO] [stderr] 15 | let d = CustomSmartPointer { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_d` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `f` [INFO] [stderr] --> book/src/chapter/c15.rs:48:9 [INFO] [stderr] | [INFO] [stderr] 48 | let f =*value.borrow_mut(); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stderr] [INFO] [stderr] warning: field `height` is never read [INFO] [stderr] --> book/src/chapter/c13.rs:59:5 [INFO] [stderr] | [INFO] [stderr] 57 | struct Rectangle { [INFO] [stderr] | --------- field in this struct [INFO] [stderr] 58 | width: u32, [INFO] [stderr] 59 | height: u32, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `Rectangle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: struct `Shoe` is never constructed [INFO] [stderr] --> book/src/chapter/c13.rs:84:8 [INFO] [stderr] | [INFO] [stderr] 84 | struct Shoe { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `Shoe` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: function `shoes_in_size` is never used [INFO] [stderr] --> book/src/chapter/c13.rs:89:4 [INFO] [stderr] | [INFO] [stderr] 89 | fn shoes_in_size(shoes: Vec, shoe_size: u32) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: fields `0` and `1` are never read [INFO] [stderr] --> book/src/chapter/c15.rs:32:10 [INFO] [stderr] | [INFO] [stderr] 32 | Cons(Rc>, Rc), [INFO] [stderr] | ---- ^^^^^^^^^^^^^^^^ ^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | fields in this variant [INFO] [stderr] | [INFO] [stderr] = note: `List` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stderr] | [INFO] [stderr] 32 - Cons(Rc>, Rc), [INFO] [stderr] 32 + Cons((), ()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `book` (lib) generated 9 warnings (run `cargo fix --lib -p book` to apply 1 suggestion) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/rust_algorithm-6be6375c1de647a9) [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" "ca3572b695906b5e98842e90abde6b1233c48237a98252d7040a1ea0549cacfa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca3572b695906b5e98842e90abde6b1233c48237a98252d7040a1ea0549cacfa", kill_on_drop: false }` [INFO] [stdout] ca3572b695906b5e98842e90abde6b1233c48237a98252d7040a1ea0549cacfa