[INFO] cloning repository https://github.com/upangka/rustdoc [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/upangka/rustdoc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fupangka%2Frustdoc", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fupangka%2Frustdoc'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 32cd949254653a725476bb284308595012d0190e [INFO] checking upangka/rustdoc against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fupangka%2Frustdoc" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/upangka/rustdoc [INFO] finished tweaking git repo https://github.com/upangka/rustdoc [INFO] tweaked toml for git repo https://github.com/upangka/rustdoc written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/upangka/rustdoc on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/upangka/rustdoc 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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... 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v1.6.0 [INFO] [stderr] Downloaded proc-macro2 v1.0.95 [INFO] [stderr] Downloaded unicode-ident v1.0.18 [INFO] [stderr] Downloaded quote v1.0.40 [INFO] [stderr] Downloaded log v0.4.27 [INFO] [stderr] Downloaded tokio-rustls v0.26.2 [INFO] [stderr] Downloaded windows-result v0.3.4 [INFO] [stderr] Downloaded wasm-bindgen-futures v0.4.50 [INFO] [stderr] Downloaded addr2line v0.24.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3fc821fa77851eb36a8fae008e15382fb83a96c95fc8f2a23c8703b0406b2b55 [INFO] running `Command { std: "docker" "start" "-a" "3fc821fa77851eb36a8fae008e15382fb83a96c95fc8f2a23c8703b0406b2b55", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3fc821fa77851eb36a8fae008e15382fb83a96c95fc8f2a23c8703b0406b2b55", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3fc821fa77851eb36a8fae008e15382fb83a96c95fc8f2a23c8703b0406b2b55", kill_on_drop: false }` [INFO] [stdout] 3fc821fa77851eb36a8fae008e15382fb83a96c95fc8f2a23c8703b0406b2b55 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 194acd208013eba421937e5eb746b00c95e5e01fc1198b5048457ba086f2aebf [INFO] running `Command { std: "docker" "start" "-a" "194acd208013eba421937e5eb746b00c95e5e01fc1198b5048457ba086f2aebf", kill_on_drop: false }` [INFO] [stderr] warning: c-programming-concepts v0.1.0 (/opt/rustwide/workdir/c-programming-concepts) ignoring invalid dependency `cargo-script` which is missing a lib target [INFO] [stderr] Compiling proc-macro2 v1.0.95 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Checking cfg-if v1.0.1 [INFO] [stderr] Compiling libc v0.2.174 [INFO] [stderr] Checking smallvec v1.15.1 [INFO] [stderr] Checking pin-project-lite v0.2.16 [INFO] [stderr] Checking itoa v1.0.15 [INFO] [stderr] Checking once_cell v1.21.3 [INFO] [stderr] Checking log v0.4.27 [INFO] [stderr] Checking bytes v1.10.1 [INFO] [stderr] Compiling autocfg v1.5.0 [INFO] [stderr] Checking futures-core v0.3.31 [INFO] [stderr] Compiling parking_lot_core v0.9.11 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking ryu v1.0.20 [INFO] [stderr] Compiling serde_json v1.0.141 [INFO] [stderr] Compiling shlex v1.3.0 [INFO] [stderr] Checking memchr v2.7.5 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking futures-task v0.3.31 [INFO] [stderr] Compiling vcpkg v0.2.15 [INFO] [stderr] Compiling pkg-config v0.3.32 [INFO] [stderr] Checking tower-service v0.3.3 [INFO] [stderr] Compiling httparse v1.10.1 [INFO] [stderr] Checking hashbrown v0.15.4 [INFO] [stderr] Checking percent-encoding v2.3.1 [INFO] [stderr] Compiling cc v1.2.30 [INFO] [stderr] Checking equivalent v1.0.2 [INFO] [stderr] Checking futures-sink v0.3.31 [INFO] [stderr] Checking slab v0.4.10 [INFO] [stderr] Checking atomic-waker v1.1.2 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Checking try-lock v0.2.5 [INFO] [stderr] Checking litemap v0.8.0 [INFO] [stderr] Checking writeable v0.6.1 [INFO] [stderr] Checking bitflags v2.9.1 [INFO] [stderr] Checking want v0.3.1 [INFO] [stderr] Checking futures-channel v0.3.31 [INFO] [stderr] Checking tracing-core v0.1.34 [INFO] [stderr] Compiling lock_api v0.4.13 [INFO] [stderr] Checking sync_wrapper v1.0.2 [INFO] [stderr] Checking http v1.3.1 [INFO] [stderr] Checking regex-syntax v0.6.29 [INFO] [stderr] Checking regex-syntax v0.8.5 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Checking httpdate v1.0.3 [INFO] [stderr] Compiling icu_normalizer_data v2.0.0 [INFO] [stderr] Compiling syn v2.0.104 [INFO] [stderr] Compiling icu_properties_data v2.0.1 [INFO] [stderr] Checking tower-layer v0.3.3 [INFO] [stderr] Checking form_urlencoded v1.2.1 [INFO] [stderr] Checking indexmap v2.10.0 [INFO] [stderr] Checking overload v0.1.1 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Checking ipnet v2.11.0 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Checking base64 v0.22.1 [INFO] [stderr] Compiling openssl v0.10.73 [INFO] [stderr] Checking tracing-log v0.2.0 [INFO] [stderr] Checking sharded-slab v0.1.7 [INFO] [stderr] Checking nu-ansi-term v0.46.0 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Checking thread_local v1.1.9 [INFO] [stderr] Checking mime v0.3.17 [INFO] [stderr] Compiling getrandom v0.3.3 [INFO] [stderr] Compiling native-tls v0.2.14 [INFO] [stderr] Checking http-body v1.0.1 [INFO] [stderr] Compiling zerocopy v0.8.26 [INFO] [stderr] Compiling anyhow v1.0.98 [INFO] [stderr] Checking iri-string v0.7.8 [INFO] [stderr] Compiling rustversion v1.0.21 [INFO] [stderr] Checking http-body-util v0.1.3 [INFO] [stderr] Checking openssl-probe v0.1.6 [INFO] [stderr] Checking utf8_iter v1.0.4 [INFO] [stderr] Checking zeroize v1.8.1 [INFO] [stderr] Checking encoding_rs v0.8.35 [INFO] [stderr] Checking matchit v0.8.4 [INFO] [stderr] Checking rustls-pki-types v1.12.0 [INFO] [stderr] Checking understand-trait v0.1.0 (/opt/rustwide/workdir/understand-trait) [INFO] [stderr] Checking trait-pratice v0.1.0 (/opt/rustwide/workdir/trait-pratice) [INFO] [stderr] Checking minigrep v0.1.0 (/opt/rustwide/workdir/minigrep) [INFO] [stderr] Checking option-practice v0.1.0 (/opt/rustwide/workdir/option-practice) [INFO] [stderr] Checking socket2 v0.5.10 [INFO] [stderr] Checking signal-hook-registry v1.4.5 [INFO] [stderr] Checking mio v1.0.4 [INFO] [stdout] warning: function `read_file` is never used [INFO] [stdout] --> option-practice/src/file_basic.rs:5:4 [INFO] [stdout] | [INFO] [stdout] 5 | fn read_file(filename: &str) -> Result { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking rand_core v0.9.3 [INFO] [stderr] Checking parking_lot v0.12.4 [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> trait-pratice/src/main.rs:31:59 [INFO] [stdout] | [INFO] [stdout] 31 | fn some_function_v1(t: &T, u: &U) -> i32 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `u` [INFO] [stdout] --> trait-pratice/src/main.rs:31:66 [INFO] [stdout] | [INFO] [stdout] 31 | fn some_function_v1(t: &T, u: &U) -> i32 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_u` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> trait-pratice/src/main.rs:34:27 [INFO] [stdout] | [INFO] [stdout] 34 | fn some_function_v2(t: &T, u: &U) -> i32 [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `u` [INFO] [stdout] --> trait-pratice/src/main.rs:34:34 [INFO] [stdout] | [INFO] [stdout] 34 | fn some_function_v2(t: &T, u: &U) -> i32 [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_u` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `notify` is never used [INFO] [stdout] --> trait-pratice/src/main.rs:27:4 [INFO] [stdout] | [INFO] [stdout] 27 | fn notify(item: &(impl Display + Summary)) { [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 `some_function_v1` is never used [INFO] [stdout] --> trait-pratice/src/main.rs:31:4 [INFO] [stdout] | [INFO] [stdout] 31 | fn some_function_v1(t: &T, u: &U) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `some_function_v2` is never used [INFO] [stdout] --> trait-pratice/src/main.rs:34:4 [INFO] [stdout] | [INFO] [stdout] 34 | fn some_function_v2(t: &T, u: &U) -> i32 [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> trait-pratice/src/main.rs:31:59 [INFO] [stdout] | [INFO] [stdout] 31 | fn some_function_v1(t: &T, u: &U) -> i32 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `u` [INFO] [stdout] --> trait-pratice/src/main.rs:31:66 [INFO] [stdout] | [INFO] [stdout] 31 | fn some_function_v1(t: &T, u: &U) -> i32 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_u` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> trait-pratice/src/main.rs:34:27 [INFO] [stdout] | [INFO] [stdout] 34 | fn some_function_v2(t: &T, u: &U) -> i32 [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `u` [INFO] [stdout] --> trait-pratice/src/main.rs:34:34 [INFO] [stdout] | [INFO] [stdout] 34 | fn some_function_v2(t: &T, u: &U) -> i32 [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_u` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `notify` is never used [INFO] [stdout] --> trait-pratice/src/main.rs:27:4 [INFO] [stdout] | [INFO] [stdout] 27 | fn notify(item: &(impl Display + Summary)) { [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 `some_function_v1` is never used [INFO] [stdout] --> trait-pratice/src/main.rs:31:4 [INFO] [stdout] | [INFO] [stdout] 31 | fn some_function_v1(t: &T, u: &U) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `some_function_v2` is never used [INFO] [stdout] --> trait-pratice/src/main.rs:34:4 [INFO] [stdout] | [INFO] [stdout] 34 | fn some_function_v2(t: &T, u: &U) -> i32 [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Point` is never constructed [INFO] [stdout] --> trait-pratice/src/trait_bound_conditionally.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct Point { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `draw` is never used [INFO] [stdout] --> trait-pratice/src/trait_bound_conditionally.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 8 | impl Point { [INFO] [stdout] | ---------------- method in this implementation [INFO] [stdout] 9 | fn draw(&self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `cmp_display` is never used [INFO] [stdout] --> trait-pratice/src/trait_bound_conditionally.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 14 | impl Point { [INFO] [stdout] | -------------------------------------- method in this implementation [INFO] [stdout] 15 | fn cmp_display(&self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking lifetime-pratice v0.1.0 (/opt/rustwide/workdir/lifetime-pratice) [INFO] [stderr] Checking a-getting-start v0.1.0 (/opt/rustwide/workdir/a-getting-start) [INFO] [stderr] Checking smart-pointer v0.1.0 (/opt/rustwide/workdir/smart-pointer) [INFO] [stderr] Checking enum-practice v0.1.0 (/opt/rustwide/workdir/enum-practice) [INFO] [stderr] Checking c-programming-concepts v0.1.0 (/opt/rustwide/workdir/c-programming-concepts) [INFO] [stdout] warning: unused variable: `word` [INFO] [stdout] --> lifetime-pratice/src/lifetime_elision.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 20 | let word = first_word(&my_string[..]); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_word` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `word` [INFO] [stdout] --> lifetime-pratice/src/lifetime_elision.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | let word = first_word(&my_string_literal[..]); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_word` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `word` [INFO] [stdout] --> lifetime-pratice/src/lifetime_elision.rs:30:9 [INFO] [stdout] | [INFO] [stdout] 30 | let word = first_word(my_string_literal); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_word` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> lifetime-pratice/src/anoymos.rs:14:24 [INFO] [stdout] | [INFO] [stdout] 14 | fn foo<'a>(x: &'a str, y: &'a str) -> &'a str { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> lifetime-pratice/src/main.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | let i = ImportantExcerpt { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `part` is never read [INFO] [stdout] --> lifetime-pratice/src/main.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 30 | struct ImportantExcerpt<'a> { [INFO] [stdout] | ---------------- field in this struct [INFO] [stdout] 31 | part: &'a str, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `level` and `announce_and_return_part` are never used [INFO] [stdout] --> lifetime-pratice/src/struct_demo.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 6 | impl<'a> ImportantExcerpt<'a> { [INFO] [stdout] | ----------------------------- methods in this implementation [INFO] [stdout] 7 | // 这里返回的不是引用，和生命周期没有关系 [INFO] [stdout] 8 | fn level(&self) -> i32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 13 | fn announce_and_return_part(&self, announcement: &str) -> &str { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `foo` is never used [INFO] [stdout] --> lifetime-pratice/src/anoymos.rs:14:4 [INFO] [stdout] | [INFO] [stdout] 14 | fn foo<'a>(x: &'a str, y: &'a str) -> &'a str { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `longest_with_an_announcement` is never used [INFO] [stdout] --> lifetime-pratice/src/anoymos.rs:18:4 [INFO] [stdout] | [INFO] [stdout] 18 | fn longest_with_an_announcement<'a, T>(x: &'a str, y: &'a str, ann: T) -> &'a str [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking error-practice v0.1.0 (/opt/rustwide/workdir/error-practice) [INFO] [stdout] warning: unused variable: `num_spaces` [INFO] [stdout] --> enum-practice/src/match_exhaust.rs:3:16 [INFO] [stdout] | [INFO] [stdout] 3 | fn move_player(num_spaces: u8) {} [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_spaces` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking vect-practice v0.1.0 (/opt/rustwide/workdir/vect-practice) [INFO] [stderr] Checking default-trait v0.1.0 (/opt/rustwide/workdir/default-trait) [INFO] [stdout] warning: enum `Message` is never used [INFO] [stdout] --> enum-practice/src/main.rs:5:6 [INFO] [stdout] | [INFO] [stdout] 5 | enum Message { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `call` is never used [INFO] [stdout] --> enum-practice/src/main.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 12 | impl Message { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] 13 | fn call(&self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking d-ownership v0.1.0 (/opt/rustwide/workdir/d-ownership) [INFO] [stdout] warning: function `main_22` is never used [INFO] [stdout] --> enum-practice/src/main.rs:18:4 [INFO] [stdout] | [INFO] [stdout] 18 | fn main_22() { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num_spaces` [INFO] [stdout] --> enum-practice/src/match_exhaust.rs:3:16 [INFO] [stdout] | [INFO] [stdout] 3 | fn move_player(num_spaces: u8) {} [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_spaces` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Message` is never used [INFO] [stdout] --> enum-practice/src/main.rs:5:6 [INFO] [stdout] | [INFO] [stdout] 5 | enum Message { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `call` is never used [INFO] [stdout] --> enum-practice/src/main.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 12 | impl Message { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] 13 | fn call(&self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `main_22` is never used [INFO] [stdout] --> enum-practice/src/main.rs:18:4 [INFO] [stdout] | [INFO] [stdout] 18 | fn main_22() { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `add_fancy_hat` is never used [INFO] [stdout] --> enum-practice/src/match_exhaust.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn add_fancy_hat() {} [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `remove_fancy_hat` is never used [INFO] [stdout] --> enum-practice/src/match_exhaust.rs:2:4 [INFO] [stdout] | [INFO] [stdout] 2 | fn remove_fancy_hat() {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `move_player` is never used [INFO] [stdout] --> enum-practice/src/match_exhaust.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn move_player(num_spaces: u8) {} [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ErrorKind` [INFO] [stdout] --> error-practice/src/main.rs:6:15 [INFO] [stdout] | [INFO] [stdout] 6 | use std::io::{ErrorKind}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> error-practice/src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> error-practice/src/main.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 20 | panic!("panic"); [INFO] [stdout] | --------------- any code following this expression is unreachable [INFO] [stdout] 21 | println!("hello world") [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] = note: this warning originates in the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking string-practice v0.1.0 (/opt/rustwide/workdir/string-practice) [INFO] [stdout] warning: function `test_sugar` is never used [INFO] [stdout] --> error-practice/src/main.rs:38:4 [INFO] [stdout] | [INFO] [stdout] 38 | fn test_sugar() -> Result> { [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 `read_username_from_file_v1` is never used [INFO] [stdout] --> error-practice/src/quote.rs:4:4 [INFO] [stdout] | [INFO] [stdout] 4 | fn read_username_from_file_v1() -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_username_from_file_v2` is never used [INFO] [stdout] --> error-practice/src/quote.rs:24:4 [INFO] [stdout] | [INFO] [stdout] 24 | fn read_username_from_file_v2() -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_username_from_file_v3` is never used [INFO] [stdout] --> error-practice/src/quote.rs:36:4 [INFO] [stdout] | [INFO] [stdout] 36 | fn read_username_from_file_v3() -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_username_from_file_v4` is never used [INFO] [stdout] --> error-practice/src/quote.rs:42:4 [INFO] [stdout] | [INFO] [stdout] 42 | fn read_username_from_file_v4() -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `OurError` is never constructed [INFO] [stdout] --> error-practice/src/our_error.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | struct OurError { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_username_from_file` is never used [INFO] [stdout] --> error-practice/src/our_error.rs:16:4 [INFO] [stdout] | [INFO] [stdout] 16 | fn read_username_from_file() -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `last_char_of_first_line` is never used [INFO] [stdout] --> error-practice/src/question_with_option.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn last_char_of_first_line(text: &str) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking backyard v0.1.0 (/opt/rustwide/workdir/backyard) [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> string-practice/src/main.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | let s = "initial contents".to_string(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling openssl-sys v0.9.109 [INFO] [stdout] warning: fields `host`, `port`, `use_tls`, and `max_connections` are never read [INFO] [stdout] --> default-trait/src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | struct ServerConfig { [INFO] [stdout] | ------------ fields in this struct [INFO] [stdout] 3 | host: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 4 | port: u16, [INFO] [stdout] | ^^^^ [INFO] [stdout] 5 | use_tls: bool, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 6 | max_connections: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ServerConfig` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> error-practice/src/main.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 20 | panic!("panic"); [INFO] [stdout] | --------------- any code following this expression is unreachable [INFO] [stdout] 21 | println!("hello world") [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] = note: this warning originates in the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking n-closure v0.1.0 (/opt/rustwide/workdir/n-closure) [INFO] [stdout] warning: unused variable: `does_not_exist` [INFO] [stdout] --> vect-practice/src/main.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | let does_not_exist = &v[100]; // 直接报错，终止程序运行 [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_does_not_exist` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking struct-practice v0.1.0 (/opt/rustwide/workdir/struct-practice) [INFO] [stdout] warning: unused variable: `r` [INFO] [stdout] --> struct-practice/src/main.rs:17:15 [INFO] [stdout] | [INFO] [stdout] 17 | let Color(r, g, b) = black; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_r` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `g` [INFO] [stdout] --> struct-practice/src/main.rs:17:18 [INFO] [stdout] | [INFO] [stdout] 17 | let Color(r, g, b) = black; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_g` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> struct-practice/src/main.rs:17:21 [INFO] [stdout] | [INFO] [stdout] 17 | let Color(r, g, b) = black; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num_spaces` [INFO] [stdout] --> struct-practice/src/main.rs:37:20 [INFO] [stdout] | [INFO] [stdout] 37 | fn move_player(num_spaces: u8) {} [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_spaces` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Rectangle` is never constructed [INFO] [stdout] --> struct-practice/src/derive_trait.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 2 | struct Rectangle { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Point` is never constructed [INFO] [stdout] --> struct-practice/src/unit_like.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Point { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_point` is never used [INFO] [stdout] --> struct-practice/src/unit_like.rs:6:4 [INFO] [stdout] | [INFO] [stdout] 6 | fn print_point(p: &Point) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking dyn-practice v0.1.0 (/opt/rustwide/workdir/dyn-practice) [INFO] [stdout] warning: unused variable: `file` [INFO] [stdout] --> error-practice/src/main.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | let file = File::open("hello.txt").unwrap_or_else(|error| { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_file` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_sugar` is never used [INFO] [stdout] --> error-practice/src/main.rs:38:4 [INFO] [stdout] | [INFO] [stdout] 38 | fn test_sugar() -> Result> { [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 `read_username_from_file_v1` is never used [INFO] [stdout] --> error-practice/src/quote.rs:4:4 [INFO] [stdout] | [INFO] [stdout] 4 | fn read_username_from_file_v1() -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_username_from_file_v2` is never used [INFO] [stdout] --> error-practice/src/quote.rs:24:4 [INFO] [stdout] | [INFO] [stdout] 24 | fn read_username_from_file_v2() -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_username_from_file_v3` is never used [INFO] [stdout] --> error-practice/src/quote.rs:36:4 [INFO] [stdout] | [INFO] [stdout] 36 | fn read_username_from_file_v3() -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_username_from_file_v4` is never used [INFO] [stdout] --> error-practice/src/quote.rs:42:4 [INFO] [stdout] | [INFO] [stdout] 42 | fn read_username_from_file_v4() -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `OurError` is never constructed [INFO] [stdout] --> error-practice/src/our_error.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | struct OurError { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_username_from_file` is never used [INFO] [stdout] --> error-practice/src/our_error.rs:16:4 [INFO] [stdout] | [INFO] [stdout] 16 | fn read_username_from_file() -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `last_char_of_first_line` is never used [INFO] [stdout] --> error-practice/src/question_with_option.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn last_char_of_first_line(text: &str) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking hashmap-practice v0.1.0 (/opt/rustwide/workdir/hashmap-practice) [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> n-closure/src/basic.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Add` [INFO] [stdout] --> n-closure/src/basic.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::ops::Add; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> n-closure/src/range.rs:25:12 [INFO] [stdout] | [INFO] [stdout] 25 | if (item == b' ') { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 25 - if (item == b' ') { [INFO] [stdout] 25 + if item == b' ' { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `z` [INFO] [stdout] --> n-closure/src/basic.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | let z: i32 = *x; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_z` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `z1` [INFO] [stdout] --> n-closure/src/basic.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | let z1: i32 = **y; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_z1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `z2` [INFO] [stdout] --> n-closure/src/basic.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | let z2: &i32 = &*x; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_z2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> n-closure/src/basic.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | let s = Box::new("hello"); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> n-closure/src/basic.rs:67:9 [INFO] [stdout] | [INFO] [stdout] 67 | let mut v: Vec = vec![1, 2, 3]; [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: unused variable: `slice` [INFO] [stdout] --> n-closure/src/range.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | let slice: &[i32] = &a[1..3]; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_slice` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a_stack_ref` [INFO] [stdout] --> n-closure/src/summary.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | let a_stack_ref = &another_num; [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_a_stack_ref` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a_box_stack_ref` [INFO] [stdout] --> n-closure/src/summary.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let a_box_stack_ref = &a_box; [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_a_box_stack_ref` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v_ref` [INFO] [stdout] --> n-closure/src/summary.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | let v_ref: &Vec = &v; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_v_ref` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> n-closure/src/main.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | let s = example_closure(String::from("hello")); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_pointer` is never used [INFO] [stdout] --> n-closure/src/basic.rs:23:4 [INFO] [stdout] | [INFO] [stdout] 23 | fn test_pointer() { [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 `test_implicitly` is never used [INFO] [stdout] --> n-closure/src/basic.rs:40:4 [INFO] [stdout] | [INFO] [stdout] 40 | fn test_implicitly() { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_alias` is never used [INFO] [stdout] --> n-closure/src/basic.rs:66:4 [INFO] [stdout] | [INFO] [stdout] 66 | fn test_alias() { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_mut` is never used [INFO] [stdout] --> n-closure/src/basic.rs:73:4 [INFO] [stdout] | [INFO] [stdout] 73 | fn test_mut() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `first_word` is never used [INFO] [stdout] --> n-closure/src/range.rs:22:4 [INFO] [stdout] | [INFO] [stdout] 22 | fn first_word(s: &String) -> &str { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_other_slice` is never used [INFO] [stdout] --> n-closure/src/range.rs:32:4 [INFO] [stdout] | [INFO] [stdout] 32 | fn test_other_slice() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `inner` is never used [INFO] [stdout] --> n-closure/src/summary.rs:8:4 [INFO] [stdout] | [INFO] [stdout] 8 | fn inner(x: &mut i32) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_drop` is never used [INFO] [stdout] --> n-closure/src/summary.rs:22:4 [INFO] [stdout] | [INFO] [stdout] 22 | fn test_drop() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `core::str::::len` that must be used [INFO] [stdout] --> n-closure/src/basic.rs:43:5 [INFO] [stdout] | [INFO] [stdout] 43 | str::len(a); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 43 | let _ = str::len(a); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `takes_ownership` is never used [INFO] [stdout] --> d-ownership/src/ownership_func.rs:17:4 [INFO] [stdout] | [INFO] [stdout] 17 | fn takes_ownership(some_string: String) { [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 `makes_copy` is never used [INFO] [stdout] --> d-ownership/src/ownership_func.rs:23:4 [INFO] [stdout] | [INFO] [stdout] 23 | fn makes_copy(some_integer: i32) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking generic-practice v0.1.0 (/opt/rustwide/workdir/generic-practice) [INFO] [stdout] warning: unused variable: `random_number` [INFO] [stdout] --> dyn-practice/src/main.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | let random_number = 0.234; [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_random_number` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `id` is never read [INFO] [stdout] --> dyn-practice/src/animal/mod.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct Sheep { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 2 | id: u32, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `slice` [INFO] [stdout] --> generic-practice/src/main.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | let slice = &vec[0..2]; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_slice` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `slice` [INFO] [stdout] --> generic-practice/src/main.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | let slice = &array[0..2]; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_slice` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `slice` [INFO] [stdout] --> generic-practice/src/main.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | let slice: &[i32] = &vec; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_slice` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `slice` [INFO] [stdout] --> generic-practice/src/main.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | let slice: &[i32] = &array; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_slice` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `largest_i32` is never used [INFO] [stdout] --> generic-practice/src/main.rs:21:4 [INFO] [stdout] | [INFO] [stdout] 21 | fn largest_i32(list: &[i32]) -> &i32 { [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 `displayable` is never used [INFO] [stdout] --> generic-practice/src/display.rs:2:4 [INFO] [stdout] | [INFO] [stdout] 2 | fn displayable(t: T) -> impl Display{ [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `largest` is never used [INFO] [stdout] --> generic-practice/src/largest.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn largest(items: &[T]) -> &T [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Point` is never constructed [INFO] [stdout] --> generic-practice/src/largest.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | struct Point { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Point` is never constructed [INFO] [stdout] --> generic-practice/src/special_constraint.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Point { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `to_tuple` is never used [INFO] [stdout] --> generic-practice/src/special_constraint.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 7 | impl Point { [INFO] [stdout] | ---------------------- method in this implementation [INFO] [stdout] 8 | fn to_tuple(&self) -> (T, T) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `distance_from_origin` is never used [INFO] [stdout] --> generic-practice/src/special_constraint.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 14 | impl Point { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] 15 | fn distance_from_origin(&self) -> f64 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `TestResult` is never constructed [INFO] [stdout] --> generic-practice/src/special_constraint.rs:49:8 [INFO] [stdout] | [INFO] [stdout] 49 | struct TestResult { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `get_curve` and `apply_curve` are never used [INFO] [stdout] --> generic-practice/src/special_constraint.rs:56:12 [INFO] [stdout] | [INFO] [stdout] 55 | impl TestResult { [INFO] [stdout] | --------------- methods in this implementation [INFO] [stdout] 56 | pub fn get_curve(&self) -> &Option { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 60 | pub fn apply_curve(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `find_nth` is never used [INFO] [stdout] --> generic-practice/src/special_constraint.rs:102:4 [INFO] [stdout] | [INFO] [stdout] 102 | fn find_nth(elems: &[T], n: usize) -> T { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `host`, `port`, `use_tls`, and `max_connections` are never read [INFO] [stdout] --> default-trait/src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | struct ServerConfig { [INFO] [stdout] | ------------ fields in this struct [INFO] [stdout] 3 | host: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 4 | port: u16, [INFO] [stdout] | ^^^^ [INFO] [stdout] 5 | use_tls: bool, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 6 | max_connections: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ServerConfig` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> string-practice/src/main.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | let s = "initial contents".to_string(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `five` is never used [INFO] [stdout] --> c-programming-concepts/src/func.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn five() -> i32 { [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 `change` is never used [INFO] [stdout] --> c-programming-concepts/src/mut_reference.rs:12:4 [INFO] [stdout] | [INFO] [stdout] 12 | fn change(s: &mut String) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> lifetime-pratice/src/anoymos.rs:14:24 [INFO] [stdout] | [INFO] [stdout] 14 | fn foo<'a>(x: &'a str, y: &'a str) -> &'a str { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `calculate_len` is never used [INFO] [stdout] --> c-programming-concepts/src/reference.rs:14:4 [INFO] [stdout] | [INFO] [stdout] 14 | fn calculate_len(s: &String) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> lifetime-pratice/src/main.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | let i = ImportantExcerpt { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `part` is never read [INFO] [stdout] --> lifetime-pratice/src/main.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 30 | struct ImportantExcerpt<'a> { [INFO] [stdout] | ---------------- field in this struct [INFO] [stdout] 31 | part: &'a str, [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 `longest` is never used [INFO] [stdout] --> lifetime-pratice/src/dangerling_reference.rs:13:4 [INFO] [stdout] | [INFO] [stdout] 13 | fn longest<'a>(x: &'a str, y: &'a str) -> &'a str { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ImportantExcerpt` is never constructed [INFO] [stdout] --> lifetime-pratice/src/struct_demo.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 2 | struct ImportantExcerpt<'a> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `level` and `announce_and_return_part` are never used [INFO] [stdout] --> lifetime-pratice/src/struct_demo.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 6 | impl<'a> ImportantExcerpt<'a> { [INFO] [stdout] | ----------------------------- methods in this implementation [INFO] [stdout] 7 | // 这里返回的不是引用，和生命周期没有关系 [INFO] [stdout] 8 | fn level(&self) -> i32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 13 | fn announce_and_return_part(&self, announcement: &str) -> &str { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `compare` is never used [INFO] [stdout] --> lifetime-pratice/src/struct_demo.rs:21:8 [INFO] [stdout] | [INFO] [stdout] 19 | impl<'a> ImportantExcerpt<'a> { [INFO] [stdout] | ----------------------------- method in this implementation [INFO] [stdout] 20 | // 实际上需要这样写： [INFO] [stdout] 21 | fn compare<'b>(&'a self, other: &'b str) -> &'a str [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `first_word` is never used [INFO] [stdout] --> lifetime-pratice/src/lifetime_elision.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn first_word(s: &str) -> &str { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `foo` is never used [INFO] [stdout] --> lifetime-pratice/src/anoymos.rs:14:4 [INFO] [stdout] | [INFO] [stdout] 14 | fn foo<'a>(x: &'a str, y: &'a str) -> &'a str { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `longest_with_an_announcement` is never used [INFO] [stdout] --> lifetime-pratice/src/anoymos.rs:18:4 [INFO] [stdout] | [INFO] [stdout] 18 | fn longest_with_an_announcement<'a, T>(x: &'a str, y: &'a str, ann: T) -> &'a str [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> struct-practice/src/unit_like.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let x = &mut p.x; // (1) 对 p.x 的可变借用 [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r` [INFO] [stdout] --> struct-practice/src/main.rs:17:15 [INFO] [stdout] | [INFO] [stdout] 17 | let Color(r, g, b) = black; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_r` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `g` [INFO] [stdout] --> struct-practice/src/main.rs:17:18 [INFO] [stdout] | [INFO] [stdout] 17 | let Color(r, g, b) = black; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_g` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> struct-practice/src/main.rs:17:21 [INFO] [stdout] | [INFO] [stdout] 17 | let Color(r, g, b) = black; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num_spaces` [INFO] [stdout] --> struct-practice/src/main.rs:37:20 [INFO] [stdout] | [INFO] [stdout] 37 | fn move_player(num_spaces: u8) {} [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_spaces` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `width` and `height` are never read [INFO] [stdout] --> struct-practice/src/derive_trait.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | struct Rectangle { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 3 | width: u32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 4 | 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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `random_number` [INFO] [stdout] --> dyn-practice/src/main.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | let random_number = 0.234; [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_random_number` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `id` is never read [INFO] [stdout] --> dyn-practice/src/animal/mod.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct Sheep { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 2 | id: u32, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> n-closure/src/basic.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> n-closure/src/range.rs:25:12 [INFO] [stdout] | [INFO] [stdout] 25 | if (item == b' ') { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 25 - if (item == b' ') { [INFO] [stdout] 25 + if item == b' ' { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `z` [INFO] [stdout] --> n-closure/src/basic.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | let z: i32 = *x; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_z` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `z1` [INFO] [stdout] --> n-closure/src/basic.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | let z1: i32 = **y; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_z1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `z2` [INFO] [stdout] --> n-closure/src/basic.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | let z2: &i32 = &*x; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_z2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> n-closure/src/basic.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | let s = Box::new("hello"); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> n-closure/src/basic.rs:48:9 [INFO] [stdout] | [INFO] [stdout] 48 | let mut data = Box::new(42); [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] --> n-closure/src/basic.rs:67:9 [INFO] [stdout] | [INFO] [stdout] 67 | let mut v: Vec = vec![1, 2, 3]; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `num` is never read [INFO] [stdout] --> n-closure/src/basic.rs:93:19 [INFO] [stdout] | [INFO] [stdout] 93 | let mut num = &mut v[0]; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> n-closure/src/basic.rs:114:9 [INFO] [stdout] | [INFO] [stdout] 114 | let mut x = vec![1, 2, 3]; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> n-closure/src/basic.rs:142:9 [INFO] [stdout] | [INFO] [stdout] 142 | let c = (*b)[1]; [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] --> n-closure/src/basic.rs:143:9 [INFO] [stdout] | [INFO] [stdout] 143 | let d = a[1]; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_d` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `slice` [INFO] [stdout] --> n-closure/src/range.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | let slice = &s[0..2]; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_slice` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `slice` [INFO] [stdout] --> n-closure/src/range.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | let slice = &s[3..s.len()]; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_slice` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `slice` [INFO] [stdout] --> n-closure/src/range.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | let slice = first_word(&s); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_slice` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `slice` [INFO] [stdout] --> n-closure/src/range.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | let slice: &[i32] = &a[1..3]; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_slice` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a_stack_ref` [INFO] [stdout] --> n-closure/src/summary.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | let a_stack_ref = &another_num; [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_a_stack_ref` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a_box_stack_ref` [INFO] [stdout] --> n-closure/src/summary.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let a_box_stack_ref = &a_box; [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_a_box_stack_ref` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v_ref` [INFO] [stdout] --> n-closure/src/summary.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | let v_ref: &Vec = &v; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_v_ref` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> n-closure/src/main.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | let s = example_closure(String::from("hello")); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_pointer` is never used [INFO] [stdout] --> n-closure/src/basic.rs:23:4 [INFO] [stdout] | [INFO] [stdout] 23 | fn test_pointer() { [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 `test_implicitly` is never used [INFO] [stdout] --> n-closure/src/basic.rs:40:4 [INFO] [stdout] | [INFO] [stdout] 40 | fn test_implicitly() { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_alias` is never used [INFO] [stdout] --> n-closure/src/basic.rs:66:4 [INFO] [stdout] | [INFO] [stdout] 66 | fn test_alias() { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_mut` is never used [INFO] [stdout] --> n-closure/src/basic.rs:73:4 [INFO] [stdout] | [INFO] [stdout] 73 | fn test_mut() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_other_slice` is never used [INFO] [stdout] --> n-closure/src/range.rs:32:4 [INFO] [stdout] | [INFO] [stdout] 32 | fn test_other_slice() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_drop` is never used [INFO] [stdout] --> n-closure/src/summary.rs:22:4 [INFO] [stdout] | [INFO] [stdout] 22 | fn test_drop() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `core::str::::len` that must be used [INFO] [stdout] --> n-closure/src/basic.rs:43:5 [INFO] [stdout] | [INFO] [stdout] 43 | str::len(a); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 43 | let _ = str::len(a); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> generic-practice/src/display.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | let mut s1 = displayable(s); [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: unused variable: `s1` [INFO] [stdout] --> generic-practice/src/display.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | let mut s1 = displayable(s); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_s1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result` [INFO] [stdout] --> generic-practice/src/special_constraint.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 38 | let result = slice.to_vec(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result` [INFO] [stdout] --> generic-practice/src/special_constraint.rs:42:9 [INFO] [stdout] | [INFO] [stdout] 42 | let result = slice.to_vec(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result` [INFO] [stdout] --> generic-practice/src/special_constraint.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | let result = array.to_vec(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `slice` [INFO] [stdout] --> generic-practice/src/main.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | let slice = &vec[0..2]; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_slice` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `slice` [INFO] [stdout] --> generic-practice/src/main.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | let slice = &array[0..2]; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_slice` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `slice` [INFO] [stdout] --> generic-practice/src/main.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | let slice: &[i32] = &vec; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_slice` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `slice` [INFO] [stdout] --> generic-practice/src/main.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | let slice: &[i32] = &array; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_slice` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `largest_i32` is never used [INFO] [stdout] --> generic-practice/src/main.rs:21:4 [INFO] [stdout] | [INFO] [stdout] 21 | fn largest_i32(list: &[i32]) -> &i32 { [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 `largest` is never used [INFO] [stdout] --> generic-practice/src/largest.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn largest(items: &[T]) -> &T [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Point` is never constructed [INFO] [stdout] --> generic-practice/src/largest.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | struct Point { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get_curve` is never used [INFO] [stdout] --> generic-practice/src/special_constraint.rs:56:12 [INFO] [stdout] | [INFO] [stdout] 55 | impl TestResult { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] 56 | pub fn get_curve(&self) -> &Option { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking regex-automata v0.4.9 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking matchers v0.1.0 [INFO] [stderr] Checking ppv-lite86 v0.2.21 [INFO] [stderr] Checking rand_chacha v0.9.0 [INFO] [stderr] Checking regex v1.11.1 [INFO] [stderr] Checking rand v0.9.1 [INFO] [stderr] Checking b-guessing-game v0.1.0 (/opt/rustwide/workdir/b-guessing-game) [INFO] [stderr] Compiling synstructure v0.13.2 [INFO] [stderr] Compiling tracing-attributes v0.1.30 [INFO] [stderr] Compiling zerofrom-derive v0.1.6 [INFO] [stderr] Compiling yoke-derive v0.8.0 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling tokio-macros v2.5.0 [INFO] [stderr] Compiling zerovec-derive v0.11.1 [INFO] [stderr] Compiling displaydoc v0.2.5 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Checking tracing v0.1.41 [INFO] [stderr] Checking tracing-subscriber v0.3.19 [INFO] [stderr] Checking axum-core v0.5.2 [INFO] [stderr] Checking tokio v1.46.1 [INFO] [stderr] Checking zerofrom v0.1.6 [INFO] [stderr] Checking yoke v0.8.0 [INFO] [stderr] Checking zerovec v0.11.2 [INFO] [stderr] Checking zerotrie v0.2.2 [INFO] [stderr] Checking tracing-practice v0.1.0 (/opt/rustwide/workdir/tracing-practice) [INFO] [stderr] Checking tinystr v0.8.1 [INFO] [stderr] Checking potential_utf v0.1.2 [INFO] [stderr] Checking icu_collections v2.0.0 [INFO] [stderr] Checking icu_locale_core v2.0.0 [INFO] [stderr] Checking icu_provider v2.0.0 [INFO] [stderr] Checking icu_normalizer v2.0.0 [INFO] [stderr] Checking icu_properties v2.0.1 [INFO] [stderr] Checking idna_adapter v1.2.1 [INFO] [stderr] Checking idna v1.0.3 [INFO] [stderr] Checking url v2.5.4 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking serde_path_to_error v0.1.17 [INFO] [stderr] Checking tokio-util v0.7.15 [INFO] [stderr] Checking tower v0.5.2 [INFO] [stderr] Checking tokio-native-tls v0.3.1 [INFO] [stderr] Checking h2 v0.4.11 [INFO] [stderr] Checking error-handling v0.1.0 (/opt/rustwide/workdir/error-handling) [INFO] [stderr] Checking serde-practice v0.1.0 (/opt/rustwide/workdir/serde-practice) [INFO] [stderr] Checking anyhow-practice v0.1.0 (/opt/rustwide/workdir/anyhow-practice) [INFO] [stdout] warning: unused import: `Result` [INFO] [stdout] --> error-handling/src/test/option_test.rs:1:18 [INFO] [stdout] | [INFO] [stdout] 1 | use serde_json::{Result, Value}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Result` [INFO] [stdout] --> error-handling/src/test/option_test.rs:1:18 [INFO] [stdout] | [INFO] [stdout] 1 | use serde_json::{Result, Value}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module [INFO] [stdout] --> error-handling/src/test/mod.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | mod option_test; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Result` and `Value` [INFO] [stdout] --> error-handling/src/test/mod.rs:3:18 [INFO] [stdout] | [INFO] [stdout] 3 | use serde_json::{Result, Value}; [INFO] [stdout] | ^^^^^^ ^^^^^ [INFO] [stdout] | [INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module [INFO] [stdout] --> error-handling/src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | mod test; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `DATA` is never used [INFO] [stdout] --> error-handling/src/test/mod.rs:5:7 [INFO] [stdout] | [INFO] [stdout] 5 | const DATA: &str = r#" { "name": "John Doe", "age": 43} "#; [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 `get_username` is never used [INFO] [stdout] --> error-handling/src/test/option_test.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn get_username(json: &Value) -> Option<&str> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_config_file` is never used [INFO] [stdout] --> anyhow-practice/src/read_file.rs:6:4 [INFO] [stdout] | [INFO] [stdout] 6 | fn read_config_file(path: &str) -> Result { [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 `parse_config` is never used [INFO] [stdout] --> anyhow-practice/src/read_file.rs:14:4 [INFO] [stdout] | [INFO] [stdout] 14 | fn parse_config(data: &str) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `extract_api_key` is never used [INFO] [stdout] --> anyhow-practice/src/read_file.rs:18:4 [INFO] [stdout] | [INFO] [stdout] 18 | fn extract_api_key(json: &Value) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `send_request` is never used [INFO] [stdout] --> anyhow-practice/src/read_file.rs:26:4 [INFO] [stdout] | [INFO] [stdout] 26 | fn send_request(api_key: &str) -> Result<()> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking tower-http v0.6.6 [INFO] [stdout] warning: unused import: `serde_json::Result` [INFO] [stdout] --> serde-practice/src/json.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use serde_json::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Result` and `Value` [INFO] [stdout] --> serde-practice/src/main.rs:98:18 [INFO] [stdout] | [INFO] [stdout] 98 | use serde_json::{Result, Value}; [INFO] [stdout] | ^^^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `User` is never constructed [INFO] [stdout] --> serde-practice/src/main.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 10 | struct User { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Config` is never constructed [INFO] [stdout] --> serde-practice/src/main.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | struct Config { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `AppConfig` is never constructed [INFO] [stdout] --> serde-practice/src/main.rs:41:8 [INFO] [stdout] | [INFO] [stdout] 41 | struct AppConfig { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ApiRequest` is never constructed [INFO] [stdout] --> serde-practice/src/main.rs:49:8 [INFO] [stdout] | [INFO] [stdout] 49 | struct ApiRequest { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Person` is never constructed [INFO] [stdout] --> serde-practice/src/main.rs:63:8 [INFO] [stdout] | [INFO] [stdout] 63 | struct Person { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Student` is never constructed [INFO] [stdout] --> serde-practice/src/main.rs:80:8 [INFO] [stdout] | [INFO] [stdout] 80 | struct Student { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Person` is never constructed [INFO] [stdout] --> serde-practice/src/json.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | struct Person { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name` and `age` are never read [INFO] [stdout] --> serde-practice/src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 10 | struct User { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 11 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 12 | age: u8, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `debug` and `env_vars` are never read [INFO] [stdout] --> serde-practice/src/main.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 24 | struct Config { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 25 | #[serde(default)] [INFO] [stdout] 26 | debug: bool, [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 29 | env_vars: HashMap, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Config` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `debug` and `port` are never read [INFO] [stdout] --> serde-practice/src/main.rs:43:5 [INFO] [stdout] | [INFO] [stdout] 41 | struct AppConfig { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 42 | #[serde(default)] [INFO] [stdout] 43 | debug: bool, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 44 | #[serde(default)] [INFO] [stdout] 45 | port: u16, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `AppConfig` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `config` is never read [INFO] [stdout] --> serde-practice/src/main.rs:51:5 [INFO] [stdout] | [INFO] [stdout] 49 | struct ApiRequest { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 50 | #[serde(default)] // 👈 整体默认值 [INFO] [stdout] 51 | config: AppConfig, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ApiRequest` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name` and `secret` are never read [INFO] [stdout] --> serde-practice/src/main.rs:65:5 [INFO] [stdout] | [INFO] [stdout] 63 | struct Person { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 64 | #[serde(rename = "userName")] [INFO] [stdout] 65 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 68 | secret: String, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking hyper v1.6.0 [INFO] [stderr] Checking hyper-util v0.1.15 [INFO] [stderr] Checking hyper-tls v0.6.0 [INFO] [stderr] Checking axum v0.8.4 [INFO] [stderr] Checking reqwest v0.12.22 [INFO] [stderr] Checking reqwest-practice v0.1.0 (/opt/rustwide/workdir/reqwest-practice) [INFO] [stderr] Checking axum-practice v0.1.0 (/opt/rustwide/workdir/axum-practice) [INFO] [stdout] warning: unused return value of `into_response` that must be used [INFO] [stdout] --> axum-practice/src/main.rs:81:5 [INFO] [stdout] | [INFO] [stdout] 81 | a.into_response(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 81 | let _ = a.into_response(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 48.58s [INFO] running `Command { std: "docker" "inspect" "194acd208013eba421937e5eb746b00c95e5e01fc1198b5048457ba086f2aebf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "194acd208013eba421937e5eb746b00c95e5e01fc1198b5048457ba086f2aebf", kill_on_drop: false }` [INFO] [stdout] 194acd208013eba421937e5eb746b00c95e5e01fc1198b5048457ba086f2aebf