[INFO] cloning repository https://github.com/DocRAID/AH_Seminar_251026 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DocRAID/AH_Seminar_251026" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDocRAID%2FAH_Seminar_251026", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDocRAID%2FAH_Seminar_251026'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6588b5c8bfc9807497039e4ecf7c1de25466ed9b [INFO] checking DocRAID/AH_Seminar_251026 against try#e117153a45c546e883c1f91d82611775fcaeffe0 for pr-146470 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDocRAID%2FAH_Seminar_251026" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/DocRAID/AH_Seminar_251026 [INFO] finished tweaking git repo https://github.com/DocRAID/AH_Seminar_251026 [INFO] tweaked toml for git repo https://github.com/DocRAID/AH_Seminar_251026 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/DocRAID/AH_Seminar_251026 on toolchain e117153a45c546e883c1f91d82611775fcaeffe0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e117153a45c546e883c1f91d82611775fcaeffe0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/DocRAID/AH_Seminar_251026 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" "+e117153a45c546e883c1f91d82611775fcaeffe0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+e117153a45c546e883c1f91d82611775fcaeffe0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] beeff8c1e96f02c8cd3e2a529f2220e4d3f6e79abeb7bed8415f507f77eddbd0 [INFO] running `Command { std: "docker" "start" "-a" "beeff8c1e96f02c8cd3e2a529f2220e4d3f6e79abeb7bed8415f507f77eddbd0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "beeff8c1e96f02c8cd3e2a529f2220e4d3f6e79abeb7bed8415f507f77eddbd0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "beeff8c1e96f02c8cd3e2a529f2220e4d3f6e79abeb7bed8415f507f77eddbd0", kill_on_drop: false }` [INFO] [stdout] beeff8c1e96f02c8cd3e2a529f2220e4d3f6e79abeb7bed8415f507f77eddbd0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+e117153a45c546e883c1f91d82611775fcaeffe0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 122f7da4bfb753aa445f2383f2de44fa06aadbe36964de3a7daa09666a3b0ce0 [INFO] running `Command { std: "docker" "start" "-a" "122f7da4bfb753aa445f2383f2de44fa06aadbe36964de3a7daa09666a3b0ce0", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.102 [INFO] [stderr] Compiling quote v1.0.41 [INFO] [stderr] Checking bitflags v2.10.0 [INFO] [stderr] Compiling rustix v1.1.2 [INFO] [stderr] Checking linux-raw-sys v0.11.0 [INFO] [stderr] Checking libloading v0.8.9 [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Compiling wayland-sys v0.31.7 [INFO] [stderr] Checking unicode-ident v1.0.20 [INFO] [stderr] Compiling endi v1.1.0 [INFO] [stderr] Checking futures-lite v2.6.1 [INFO] [stderr] Compiling wayland-backend v0.3.11 [INFO] [stderr] Checking event-listener v5.4.1 [INFO] [stderr] Compiling quick-xml v0.37.5 [INFO] [stderr] Compiling wayland-client v0.31.11 [INFO] [stderr] Compiling async-io v2.6.0 [INFO] [stderr] Checking dlib v0.5.2 [INFO] [stderr] Checking signal-hook-registry v1.4.6 [INFO] [stderr] Compiling nix v0.30.1 [INFO] [stderr] Compiling rustix v0.38.44 [INFO] [stderr] Compiling getrandom v0.3.4 [INFO] [stderr] Checking event-listener-strategy v0.5.4 [INFO] [stderr] Checking ttf-parser v0.25.1 [INFO] [stderr] Checking linux-raw-sys v0.4.15 [INFO] [stderr] Compiling xml-rs v0.8.27 [INFO] [stderr] Checking ab_glyph_rasterizer v0.1.10 [INFO] [stderr] Checking async-channel v2.5.0 [INFO] [stderr] Checking async-lock v3.4.1 [INFO] [stderr] Checking async-broadcast v0.7.2 [INFO] [stderr] Compiling syn v2.0.108 [INFO] [stderr] Checking xcursor v0.3.10 [INFO] [stderr] Checking ahash v0.8.12 [INFO] [stderr] Checking memmap2 v0.9.9 [INFO] [stderr] Checking accesskit v0.21.1 [INFO] [stderr] Checking x11-dl v2.21.0 [INFO] [stderr] Compiling gl_generator v0.14.0 [INFO] [stderr] Checking parking_lot_core v0.9.12 [INFO] [stderr] Compiling wayland-scanner v0.31.7 [INFO] [stderr] Checking x11rb-protocol v0.13.2 [INFO] [stderr] Checking hashbrown v0.15.5 [INFO] [stderr] Checking parking_lot v0.12.5 [INFO] [stderr] Checking async-executor v1.13.3 [INFO] [stderr] Checking blocking v1.6.2 [INFO] [stderr] Compiling winit v0.30.12 [INFO] [stderr] Checking flate2 v1.1.4 [INFO] [stderr] Checking accesskit_consumer v0.30.1 [INFO] [stderr] Checking pxfm v0.1.25 [INFO] 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Checking zvariant_utils v3.2.1 [INFO] [stderr] Checking enumflags2 v0.7.12 [INFO] [stderr] Checking quick-xml v0.36.2 [INFO] [stderr] Checking uuid v1.18.1 [INFO] [stderr] Compiling zvariant_derive v5.8.0 [INFO] [stderr] Checking idna_adapter v1.2.1 [INFO] [stderr] Checking idna v1.1.0 [INFO] [stderr] Checking url v2.5.7 [INFO] [stderr] Compiling zvariant v5.8.0 [INFO] [stderr] Checking webbrowser v1.0.6 [INFO] [stderr] Checking x11rb v0.13.2 [INFO] [stderr] Checking zbus_names v4.2.0 [INFO] [stderr] Checking zbus_xml v5.0.2 [INFO] [stderr] Checking egui_glow v0.33.0 [INFO] [stderr] Checking zbus-lockstep v0.5.1 [INFO] [stderr] Checking wayland-protocols-wlr v0.3.9 [INFO] [stderr] Checking wayland-protocols-plasma v0.3.9 [INFO] [stderr] Checking arboard v3.6.1 [INFO] [stderr] Compiling zbus_macros v5.12.0 [INFO] [stderr] Compiling zbus-lockstep-macros v0.5.1 [INFO] [stderr] Checking smithay-client-toolkit v0.19.2 [INFO] [stderr] Checking sctk-adwaita v0.10.1 [INFO] [stderr] Checking smithay-clipboard v0.7.2 [INFO] [stderr] Checking zbus v5.12.0 [INFO] [stderr] Checking atspi-common v0.9.0 [INFO] [stderr] Checking atspi-proxies v0.9.0 [INFO] [stderr] Checking accesskit_atspi_common v0.14.1 [INFO] [stderr] Checking atspi-connection v0.9.0 [INFO] [stderr] Checking atspi v0.25.0 [INFO] [stderr] Checking accesskit_unix v0.17.1 [INFO] [stderr] Checking accesskit_winit v0.29.1 [INFO] [stderr] Checking egui-winit v0.33.0 [INFO] [stderr] Checking eframe v0.33.0 [INFO] [stderr] Checking AH_Seminar_251026 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/bin/bench.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `buffer`, `metadata`, and `numbers` are never read [INFO] [stdout] --> src/bin/bench.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 8 | struct LargeData { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 9 | buffer: Vec, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 10 | metadata: String, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 11 | numbers: [i64; 1000], [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `LargeData` has a derived impl for the trait `Clone`, 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: `user1` [INFO] [stdout] --> src/bin/smart_pointer.rs:67:13 [INFO] [stdout] | [INFO] [stdout] 67 | let user1 = data; // data의 소유권이 user1으로 이동 [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_user1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `List1` is never constructed [INFO] [stdout] --> src/bin/smart_pointer.rs:107:8 [INFO] [stdout] | [INFO] [stdout] 107 | struct List1 { [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 `List2` is never constructed [INFO] [stdout] --> src/bin/smart_pointer.rs:113:8 [INFO] [stdout] | [INFO] [stdout] 113 | struct List2 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `intager` is assigned to, but never used [INFO] [stdout] --> src/bin/basic_rust.rs:2:9 [INFO] [stdout] | [INFO] [stdout] 2 | let mut intager: i32 = 1; // int 32bit [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_intager` instead [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `unsigned_int` [INFO] [stdout] --> src/bin/basic_rust.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | let unsigned_int: u32 = 10; // unsigned int 32bit [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_unsigned_int` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s2` [INFO] [stdout] --> src/bin/basic_ownership.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | let s2 = s1.clone(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_s2` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `main1` is never used [INFO] [stdout] --> src/bin/basic_ownership.rs:2:4 [INFO] [stdout] | [INFO] [stdout] 2 | fn main1() { [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 `main2` is never used [INFO] [stdout] --> src/bin/basic_ownership.rs:10:4 [INFO] [stdout] | [INFO] [stdout] 10 | fn main2() { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_length` is never used [INFO] [stdout] --> src/bin/basic_ownership.rs:16:4 [INFO] [stdout] | [INFO] [stdout] 16 | fn print_length(str_ref: &String) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `long_int` [INFO] [stdout] --> src/bin/basic_rust.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | let long_int: i64; // int 64bit [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_long_int` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `float` [INFO] [stdout] --> src/bin/basic_rust.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | let float: f32; //float 32bit [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_float` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `str` [INFO] [stdout] --> src/bin/basic_rust.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | let str: &str = "some String"; //static_string [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_str` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `string` [INFO] [stdout] --> src/bin/basic_rust.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | let string: String = "hello".to_string(); //dynamic_string [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_string` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `char` [INFO] [stdout] --> src/bin/basic_rust.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | let char: char = 'c'; //char [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_char` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `boolean` [INFO] [stdout] --> src/bin/basic_rust.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | let boolean: bool = true; //boolean [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_boolean` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `intager` is never read [INFO] [stdout] --> src/bin/basic_rust.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | intager = 2; [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: value assigned to `value` is never read [INFO] [stdout] --> src/bin/basic_rust.rs:30:21 [INFO] [stdout] | [INFO] [stdout] 30 | let mut value = 12345; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `declaration` is never used [INFO] [stdout] --> src/bin/basic_rust.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn declaration() { [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 `CacheStruct` is never constructed [INFO] [stdout] --> src/bin/basic_rust.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | struct CacheStruct { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `struct_example` is never used [INFO] [stdout] --> src/bin/basic_rust.rs:19:4 [INFO] [stdout] | [INFO] [stdout] 19 | fn struct_example() { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `mutable_example` is never used [INFO] [stdout] --> src/bin/basic_rust.rs:29:4 [INFO] [stdout] | [INFO] [stdout] 29 | fn mutable_example() { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `optional_value` is never used [INFO] [stdout] --> src/bin/basic_rust.rs:40:4 [INFO] [stdout] | [INFO] [stdout] 40 | fn optional_value() { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `girl` [INFO] [stdout] --> src/bin/life_cycle.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | let girl = "man"; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_girl` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `man` [INFO] [stdout] --> src/bin/life_cycle.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | let man = "a"; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_man` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `lifetime` is never used [INFO] [stdout] --> src/bin/life_cycle.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn lifetime() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `intager` is assigned to, but never used [INFO] [stdout] --> src/bin/basic_rust.rs:2:9 [INFO] [stdout] | [INFO] [stdout] 2 | let mut intager: i32 = 1; // int 32bit [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_intager` instead [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `unsigned_int` [INFO] [stdout] --> src/bin/basic_rust.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | let unsigned_int: u32 = 10; // unsigned int 32bit [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_unsigned_int` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `long_int` [INFO] [stdout] --> src/bin/basic_rust.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | let long_int: i64; // int 64bit [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_long_int` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `float` [INFO] [stdout] --> src/bin/basic_rust.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | let float: f32; //float 32bit [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_float` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `str` [INFO] [stdout] --> src/bin/basic_rust.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | let str: &str = "some String"; //static_string [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_str` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `string` [INFO] [stdout] --> src/bin/basic_rust.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | let string: String = "hello".to_string(); //dynamic_string [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_string` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `char` [INFO] [stdout] --> src/bin/basic_rust.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | let char: char = 'c'; //char [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_char` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `boolean` [INFO] [stdout] --> src/bin/basic_rust.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | let boolean: bool = true; //boolean [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_boolean` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `intager` is never read [INFO] [stdout] --> src/bin/basic_rust.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | intager = 2; [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: value assigned to `value` is never read [INFO] [stdout] --> src/bin/basic_rust.rs:30:21 [INFO] [stdout] | [INFO] [stdout] 30 | let mut value = 12345; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `declaration` is never used [INFO] [stdout] --> src/bin/basic_rust.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn declaration() { [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 `CacheStruct` is never constructed [INFO] [stdout] --> src/bin/basic_rust.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | struct CacheStruct { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `struct_example` is never used [INFO] [stdout] --> src/bin/basic_rust.rs:19:4 [INFO] [stdout] | [INFO] [stdout] 19 | fn struct_example() { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `mutable_example` is never used [INFO] [stdout] --> src/bin/basic_rust.rs:29:4 [INFO] [stdout] | [INFO] [stdout] 29 | fn mutable_example() { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `optional_value` is never used [INFO] [stdout] --> src/bin/basic_rust.rs:40:4 [INFO] [stdout] | [INFO] [stdout] 40 | fn optional_value() { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/bin/bench.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `buffer`, `metadata`, and `numbers` are never read [INFO] [stdout] --> src/bin/bench.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 8 | struct LargeData { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 9 | buffer: Vec, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 10 | metadata: String, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 11 | numbers: [i64; 1000], [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `LargeData` has a derived impl for the trait `Clone`, 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: `user1` [INFO] [stdout] --> src/bin/smart_pointer.rs:67:13 [INFO] [stdout] | [INFO] [stdout] 67 | let user1 = data; // data의 소유권이 user1으로 이동 [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_user1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `List1` is never constructed [INFO] [stdout] --> src/bin/smart_pointer.rs:107:8 [INFO] [stdout] | [INFO] [stdout] 107 | struct List1 { [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 `List2` is never constructed [INFO] [stdout] --> src/bin/smart_pointer.rs:113:8 [INFO] [stdout] | [INFO] [stdout] 113 | struct List2 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s2` [INFO] [stdout] --> src/bin/basic_ownership.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | let s2 = s1.clone(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_s2` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `main1` is never used [INFO] [stdout] --> src/bin/basic_ownership.rs:2:4 [INFO] [stdout] | [INFO] [stdout] 2 | fn main1() { [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 `main2` is never used [INFO] [stdout] --> src/bin/basic_ownership.rs:10:4 [INFO] [stdout] | [INFO] [stdout] 10 | fn main2() { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_length` is never used [INFO] [stdout] --> src/bin/basic_ownership.rs:16:4 [INFO] [stdout] | [INFO] [stdout] 16 | fn print_length(str_ref: &String) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `girl` [INFO] [stdout] --> src/bin/life_cycle.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | let girl = "man"; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_girl` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `man` [INFO] [stdout] --> src/bin/life_cycle.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | let man = "a"; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_man` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `lifetime` is never used [INFO] [stdout] --> src/bin/life_cycle.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn lifetime() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 57.88s [INFO] running `Command { std: "docker" "inspect" "122f7da4bfb753aa445f2383f2de44fa06aadbe36964de3a7daa09666a3b0ce0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "122f7da4bfb753aa445f2383f2de44fa06aadbe36964de3a7daa09666a3b0ce0", kill_on_drop: false }` [INFO] [stdout] 122f7da4bfb753aa445f2383f2de44fa06aadbe36964de3a7daa09666a3b0ce0