[INFO] cloning repository https://github.com/blinkingso/rust_samples [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/blinkingso/rust_samples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblinkingso%2Frust_samples", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblinkingso%2Frust_samples'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1eacfbf5f3a61a15ab6e587a1a65a094020396d3 [INFO] checking blinkingso/rust_samples against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblinkingso%2Frust_samples" "/workspace/builds/worker-13/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/blinkingso/rust_samples on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/blinkingso/rust_samples [INFO] finished tweaking git repo https://github.com/blinkingso/rust_samples [INFO] tweaked toml for git repo https://github.com/blinkingso/rust_samples written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/blinkingso/rust_samples already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded pistoncore-input v1.0.1 [INFO] [stderr] Downloaded piston-shaders_graphics2d v0.4.0 [INFO] [stderr] Downloaded piston v0.53.1 [INFO] [stderr] Downloaded spin_sleep v1.0.0 [INFO] [stderr] Downloaded pistoncore-event_loop v0.53.1 [INFO] [stderr] Downloaded piston2d-graphics v0.41.0 [INFO] [stderr] Downloaded pistoncore-window v0.47.1 [INFO] [stderr] Downloaded pistoncore-glutin_window v0.69.0 [INFO] [stderr] Downloaded x11-dl v2.19.1 [INFO] [stderr] Downloaded piston-float v1.0.1 [INFO] [stderr] Downloaded xdg v2.4.0 [INFO] [stderr] Downloaded piston2d-graphics v0.40.0 [INFO] [stderr] Downloaded core-graphics v0.22.3 [INFO] [stderr] Downloaded ndk-sys v0.2.2 [INFO] [stderr] Downloaded ab_glyph_rasterizer v0.1.5 [INFO] [stderr] Downloaded libloading v0.7.2 [INFO] [stderr] Downloaded gl v0.13.0 [INFO] [stderr] Downloaded piston_window v0.120.0 [INFO] [stderr] Downloaded piston-viewport v1.0.1 [INFO] [stderr] Downloaded piston-graphics_api_version v1.0.1 [INFO] [stderr] Downloaded svg v0.10.0 [INFO] [stderr] Downloaded piston2d-gfx_graphics v0.73.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] aca7d38963edcf6181169989f9fe03f7206a30c9a53003ff67f1f20b2c14feca [INFO] running `Command { std: "docker" "start" "-a" "aca7d38963edcf6181169989f9fe03f7206a30c9a53003ff67f1f20b2c14feca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "aca7d38963edcf6181169989f9fe03f7206a30c9a53003ff67f1f20b2c14feca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aca7d38963edcf6181169989f9fe03f7206a30c9a53003ff67f1f20b2c14feca", kill_on_drop: false }` [INFO] [stdout] aca7d38963edcf6181169989f9fe03f7206a30c9a53003ff67f1f20b2c14feca [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 53793d170e07f03e0cb2e03cf8d0dd4bd1a439756981115d8609a9866465144d [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. 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[stderr] Checking pistoncore-event_loop v0.53.1 [INFO] [stderr] Checking pistoncore-glutin_window v0.69.0 [INFO] [stderr] Checking piston v0.53.1 [INFO] [stderr] Checking piston_window v0.120.0 [INFO] [stderr] Checking rust_lang v0.1.0 (/opt/rustwide/workdir/rust_lang) [INFO] [stdout] error[E0601]: `main` function not found in crate `ch_04` [INFO] [stdout] --> rust_lang/examples/ch_04.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | / //! Lifetimes, ownership and borrowing; [INFO] [stdout] 2 | | [INFO] [stdout] 3 | | #[derive(Debug)] [INFO] [stdout] 4 | | enum StatusMessage { [INFO] [stdout] ... | [INFO] [stdout] 136 | | } [INFO] [stdout] 137 | | } [INFO] [stdout] | |_^ consider adding a `main` function to `rust_lang/examples/ch_04.rs` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0601`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rust_lang` due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> rust_lang/examples/virtual_memory.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | let mut n_nonzero = 0; [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Cons`, `Nil` [INFO] [stdout] --> rust_lang/examples/smart_pointers.rs:1:19 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::List::{Cons, Nil}; [INFO] [stdout] | ^^^^ ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_encoding_time` [INFO] [stdout] --> rust_lang/examples/ch_09.rs:9:4 [INFO] [stdout] | [INFO] [stdout] 9 | fn test_encoding_time() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Time` [INFO] [stdout] --> rust_lang/examples/ch_09.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 15 | struct Time { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cell::RefCell` [INFO] [stdout] --> rust_lang/examples/ch_06.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::cell::RefCell; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `OsString`, `collections::hash_map::DefaultHasher` [INFO] [stdout] --> rust_lang/tests/utility_traits.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | collections::hash_map::DefaultHasher, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 17 | ffi::{OsStr, OsString}, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `graphics::math::Vec2d` [INFO] [stdout] --> rust_lang/tests/utility_traits.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | use graphics::math::Vec2d; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> rust_lang/examples/ch_10.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Work` is imported redundantly [INFO] [stdout] --> rust_lang/examples/ch_10.rs:147:13 [INFO] [stdout] | [INFO] [stdout] 147 | use crate::Work; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 410 | / enum Work { [INFO] [stdout] 411 | | Task((usize, u8)), [INFO] [stdout] 412 | | Finished, [INFO] [stdout] 413 | | } [INFO] [stdout] | |_- the item `Work` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Hasher` [INFO] [stdout] --> rust_lang/tests/utility_traits.rs:19:18 [INFO] [stdout] | [INFO] [stdout] 19 | hash::{Hash, Hasher}, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `os::unix::prelude::OsStrExt` [INFO] [stdout] --> rust_lang/tests/utility_traits.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | os::unix::prelude::OsStrExt, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `a` is assigned to, but never used [INFO] [stdout] --> rust_lang/tests/utility_traits.rs:44:13 [INFO] [stdout] | [INFO] [stdout] 44 | let mut a = Appellation { [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_a` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `a` is never read [INFO] [stdout] --> rust_lang/tests/utility_traits.rs:52:5 [INFO] [stdout] | [INFO] [stdout] 52 | a = Appellation { [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `p` is assigned to, but never used [INFO] [stdout] --> rust_lang/tests/utility_traits.rs:59:9 [INFO] [stdout] | [INFO] [stdout] 59 | let p; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_p` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `p` is never read [INFO] [stdout] --> rust_lang/tests/utility_traits.rs:67:13 [INFO] [stdout] | [INFO] [stdout] 67 | p = q; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::iter::repeat` [INFO] [stdout] --> rust_lang/tests/iterators.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::iter::repeat; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> rust_lang/examples/pipes.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | let mut process = match Command::new("minigrep") [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `ref_count` [INFO] [stdout] --> rust_lang/tests/utility_traits.rs:80:5 [INFO] [stdout] | [INFO] [stdout] 80 | ref_count: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> rust_lang/examples/mandelbrot.rs:27:29 [INFO] [stdout] | [INFO] [stdout] 27 | let x_percent = (img_x as f64 / width as f64); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 27 - let x_percent = (img_x as f64 / width as f64); [INFO] [stdout] 27 + let x_percent = img_x as f64 / width as f64; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> rust_lang/examples/mandelbrot.rs:28:29 [INFO] [stdout] | [INFO] [stdout] 28 | let y_percent = (img_y as f64 / height as f64); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 28 - let y_percent = (img_y as f64 / height as f64); [INFO] [stdout] 28 + let y_percent = img_y as f64 / height as f64; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> rust_lang/tests/utility_traits.rs:209:5 [INFO] [stdout] | [INFO] [stdout] 209 | f.read_to_string(&mut contents); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Borrow` [INFO] [stdout] --> rust_lang/examples/smart_pointers.rs:2:19 [INFO] [stdout] | [INFO] [stdout] 2 | use std::borrow::{Borrow, BorrowMut}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BorrowMut` [INFO] [stdout] --> rust_lang/examples/smart_pointers.rs:2:27 [INFO] [stdout] | [INFO] [stdout] 2 | use std::borrow::{Borrow, BorrowMut}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::process::Output` [INFO] [stdout] --> rust_lang/tests/traits_genrics.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::process::Output; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `hash::Hash` [INFO] [stdout] --> rust_lang/tests/traits_genrics.rs:4:45 [INFO] [stdout] | [INFO] [stdout] 4 | use std::{collections::HashMap, fmt::Debug, hash::Hash, io::Write, iter::Cycle}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::boxed::Box` [INFO] [stdout] --> rust_lang/tests/traits_genrics.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | use std::boxed::Box; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `graphics::Viewport` [INFO] [stdout] --> rust_lang/tests/traits_genrics.rs:68:5 [INFO] [stdout] | [INFO] [stdout] 68 | use graphics::Viewport; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::front_of_house::hosting` [INFO] [stdout] --> rust_lang/examples/modules_exa.rs:19:16 [INFO] [stdout] | [INFO] [stdout] 19 | pub(crate) use crate::front_of_house::hosting; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: glob import doesn't reexport anything because no candidate is public enough [INFO] [stdout] --> rust_lang/examples/modules_exa.rs:22:13 [INFO] [stdout] | [INFO] [stdout] 22 | pub use crate::front_of_house::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> rust_lang/examples/ownership_.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | let s = "hello"; // s is valid from this point forward. [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> rust_lang/examples/ownership_.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | let s = String::from("Hello"); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> rust_lang/examples/ownership_.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | let s = String::from("hello"); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> rust_lang/examples/ownership_.rs:47:9 [INFO] [stdout] | [INFO] [stdout] 47 | let y = x; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s2` [INFO] [stdout] --> rust_lang/examples/ownership_.rs:52:9 [INFO] [stdout] | [INFO] [stdout] 52 | let s2 = s1; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_s2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `List` [INFO] [stdout] --> rust_lang/examples/smart_pointers.rs:10:6 [INFO] [stdout] | [INFO] [stdout] 10 | enum List { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> rust_lang/examples/smart_pointers.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 18 | fn new(t: T) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Cons` [INFO] [stdout] --> rust_lang/examples/smart_pointers.rs:71:5 [INFO] [stdout] | [INFO] [stdout] 71 | Cons(i32, Rc), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Nil` [INFO] [stdout] --> rust_lang/examples/smart_pointers.rs:72:5 [INFO] [stdout] | [INFO] [stdout] 72 | Nil, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `sender` [INFO] [stdout] --> rust_lang/examples/smart_pointers.rs:98:5 [INFO] [stdout] | [INFO] [stdout] 98 | sender: &'a T, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Cons` [INFO] [stdout] --> rust_lang/examples/smart_pointers.rs:164:5 [INFO] [stdout] | [INFO] [stdout] 164 | Cons(i32, RefCell>), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Nil` [INFO] [stdout] --> rust_lang/examples/smart_pointers.rs:165:5 [INFO] [stdout] | [INFO] [stdout] 165 | Nil, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `tail` [INFO] [stdout] --> rust_lang/examples/smart_pointers.rs:169:12 [INFO] [stdout] | [INFO] [stdout] 169 | pub fn tail(&self) -> Option<&RefCell>> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `value` [INFO] [stdout] --> rust_lang/examples/smart_pointers.rs:218:5 [INFO] [stdout] | [INFO] [stdout] 218 | value: E, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `prev` [INFO] [stdout] --> rust_lang/examples/smart_pointers.rs:219:5 [INFO] [stdout] | [INFO] [stdout] 219 | prev: LinkedNode, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `head` [INFO] [stdout] --> rust_lang/examples/smart_pointers.rs:241:5 [INFO] [stdout] | [INFO] [stdout] 241 | head: LinkedNode, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `tail` [INFO] [stdout] --> rust_lang/examples/smart_pointers.rs:242:5 [INFO] [stdout] | [INFO] [stdout] 242 | tail: LinkedNode, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `list` [INFO] [stdout] --> rust_lang/examples/smart_pointers.rs:327:5 [INFO] [stdout] | [INFO] [stdout] 327 | list: LinkedList, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `add_to_wait_list` [INFO] [stdout] --> rust_lang/examples/modules_exa.rs:6:23 [INFO] [stdout] | [INFO] [stdout] 6 | pub(crate) fn add_to_wait_list() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `seat_at_table` [INFO] [stdout] --> rust_lang/examples/modules_exa.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | fn seat_at_table() {} [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `take_order` [INFO] [stdout] --> rust_lang/examples/modules_exa.rs:13:12 [INFO] [stdout] | [INFO] [stdout] 13 | fn take_order() {} [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `serve_order` [INFO] [stdout] --> rust_lang/examples/modules_exa.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | fn serve_order() {} [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `take_payment` [INFO] [stdout] --> rust_lang/examples/modules_exa.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 15 | fn take_payment() {} [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `variable_scope` [INFO] [stdout] --> rust_lang/examples/ownership_.rs:12:4 [INFO] [stdout] | [INFO] [stdout] 12 | fn variable_scope() { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `ownership_via_string` [INFO] [stdout] --> rust_lang/examples/ownership_.rs:18:4 [INFO] [stdout] | [INFO] [stdout] 18 | fn ownership_via_string() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `memory_and_allocation` [INFO] [stdout] --> rust_lang/examples/ownership_.rs:32:4 [INFO] [stdout] | [INFO] [stdout] 32 | fn memory_and_allocation() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `ways_variables_and_data_interact_move` [INFO] [stdout] --> rust_lang/examples/ownership_.rs:40:4 [INFO] [stdout] | [INFO] [stdout] 40 | fn ways_variables_and_data_interact_move() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `ways_variables_and_data_interact_clone` [INFO] [stdout] --> rust_lang/examples/ownership_.rs:65:4 [INFO] [stdout] | [INFO] [stdout] 65 | fn ways_variables_and_data_interact_clone() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `stack_only_data_copy` [INFO] [stdout] --> rust_lang/examples/ownership_.rs:77:4 [INFO] [stdout] | [INFO] [stdout] 77 | fn stack_only_data_copy() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `type_size` [INFO] [stdout] --> rust_lang/examples/ownership_.rs:85:5 [INFO] [stdout] | [INFO] [stdout] 85 | type_size: u32, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `function_owner_move` [INFO] [stdout] --> rust_lang/examples/ownership_.rs:95:4 [INFO] [stdout] | [INFO] [stdout] 95 | fn function_owner_move() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `takes_ownership` [INFO] [stdout] --> rust_lang/examples/ownership_.rs:111:4 [INFO] [stdout] | [INFO] [stdout] 111 | fn takes_ownership(message: String) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `make_copy` [INFO] [stdout] --> rust_lang/examples/ownership_.rs:116:4 [INFO] [stdout] | [INFO] [stdout] 116 | fn make_copy(message: &str) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `makes_copy` [INFO] [stdout] --> rust_lang/examples/ownership_.rs:120:4 [INFO] [stdout] | [INFO] [stdout] 120 | fn makes_copy(count: i32) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `writer` [INFO] [stdout] --> rust_lang/tests/traits_genrics.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let writer: &mut dyn Write = &mut buf; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `combo` [INFO] [stdout] --> rust_lang/tests/traits_genrics.rs:128:9 [INFO] [stdout] | [INFO] [stdout] 128 | let combo = left.splice(right); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_combo` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `canvas` [INFO] [stdout] --> rust_lang/tests/traits_genrics.rs:24:20 [INFO] [stdout] | [INFO] [stdout] 24 | fn draw(&self, canvas: &mut Canvas) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_canvas` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> rust_lang/tests/traits_genrics.rs:28:24 [INFO] [stdout] | [INFO] [stdout] 28 | fn hit_test(&self, x: i32, y: i32) -> bool { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> rust_lang/tests/traits_genrics.rs:28:32 [INFO] [stdout] | [INFO] [stdout] 28 | fn hit_test(&self, x: i32, y: i32) -> bool { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rhs` [INFO] [stdout] --> rust_lang/tests/traits_genrics.rs:106:22 [INFO] [stdout] | [INFO] [stdout] 106 | fn splice(&self, rhs: &Self) -> Self { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_rhs` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rhs` [INFO] [stdout] --> rust_lang/tests/traits_genrics.rs:112:22 [INFO] [stdout] | [INFO] [stdout] 112 | fn splice(&self, rhs: &Self) -> Self { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_rhs` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rhs` [INFO] [stdout] --> rust_lang/tests/traits_genrics.rs:135:22 [INFO] [stdout] | [INFO] [stdout] 135 | fn splice(&self, rhs: &dyn MegaSplice) -> Box { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_rhs` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rhs` [INFO] [stdout] --> rust_lang/tests/traits_genrics.rs:141:22 [INFO] [stdout] | [INFO] [stdout] 141 | fn splice(&self, rhs: &dyn MegaSplice) -> Box { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_rhs` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `canvas` [INFO] [stdout] --> rust_lang/tests/traits_genrics.rs:171:20 [INFO] [stdout] | [INFO] [stdout] 171 | fn draw(&self, canvas: &mut Canvas) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_canvas` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> rust_lang/tests/traits_genrics.rs:175:24 [INFO] [stdout] | [INFO] [stdout] 175 | fn hit_test(&self, x: i32, y: i32) -> bool { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> rust_lang/tests/traits_genrics.rs:175:32 [INFO] [stdout] | [INFO] [stdout] 175 | fn hit_test(&self, x: i32, y: i32) -> bool { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `unknown_words` [INFO] [stdout] --> rust_lang/tests/traits_genrics.rs:206:4 [INFO] [stdout] | [INFO] [stdout] 206 | fn unknown_words(document: &[String], wordlist: &S) -> S { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `collect_into_vector` [INFO] [stdout] --> rust_lang/tests/traits_genrics.rs:238:4 [INFO] [stdout] | [INFO] [stdout] 238 | fn collect_into_vector(iter: I) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `cyclical_zip` [INFO] [stdout] --> rust_lang/tests/traits_genrics.rs:271:4 [INFO] [stdout] | [INFO] [stdout] 271 | fn cyclical_zip(v: Vec, u: Vec) -> Cycle, IntoIter>> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `cyclical_zip2` [INFO] [stdout] --> rust_lang/tests/traits_genrics.rs:276:4 [INFO] [stdout] | [INFO] [stdout] 276 | fn cyclical_zip2(v: Vec, u: Vec) -> impl Iterator { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rayon::prelude` [INFO] [stdout] --> rust_lang/examples/ch_10.rs:106:5 [INFO] [stdout] | [INFO] [stdout] 106 | use rayon::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `byte` [INFO] [stdout] --> rust_lang/examples/ch_10.rs:195:33 [INFO] [stdout] | [INFO] [stdout] 195 | Operation::Noop(byte) => { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_byte` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> rust_lang/tests/traits_genrics.rs:80:9 [INFO] [stdout] | [INFO] [stdout] 80 | config.serialize(&mut serializer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `core::num::::abs` that must be used [INFO] [stdout] --> rust_lang/tests/traits_genrics.rs:224:5 [INFO] [stdout] | [INFO] [stdout] 224 | i64::abs(zero); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this returns the result of the operation, without modifying the original [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 22 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `input` [INFO] [stdout] --> rust_lang/examples/ch_10.rs:103:5 [INFO] [stdout] | [INFO] [stdout] 103 | input: String, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `path` [INFO] [stdout] --> rust_lang/examples/ch_10.rs:104:5 [INFO] [stdout] | [INFO] [stdout] 104 | path: String, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> rust_lang/examples/ch_10.rs:108:8 [INFO] [stdout] | [INFO] [stdout] 108 | fn new(input: &str) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `with_path` [INFO] [stdout] --> rust_lang/examples/ch_10.rs:116:8 [INFO] [stdout] | [INFO] [stdout] 116 | fn with_path(input: &str, path: &str) -> Self { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `parse` [INFO] [stdout] --> rust_lang/examples/ch_10.rs:123:8 [INFO] [stdout] | [INFO] [stdout] 123 | fn parse(&self) -> Vec { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `convert` [INFO] [stdout] --> rust_lang/examples/ch_10.rs:183:8 [INFO] [stdout] | [INFO] [stdout] 183 | fn convert(&self) -> Vec { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `generate_svg` [INFO] [stdout] --> rust_lang/examples/ch_10.rs:208:8 [INFO] [stdout] | [INFO] [stdout] 208 | fn generate_svg(&self, path_data: Vec) -> Document { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `save` [INFO] [stdout] --> rust_lang/examples/ch_10.rs:239:8 [INFO] [stdout] | [INFO] [stdout] 239 | fn save(&self) {} [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Forward` [INFO] [stdout] --> rust_lang/examples/ch_10.rs:244:5 [INFO] [stdout] | [INFO] [stdout] 244 | Forward(isize), [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `TurnLeft` [INFO] [stdout] --> rust_lang/examples/ch_10.rs:245:5 [INFO] [stdout] | [INFO] [stdout] 245 | TurnLeft, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `TurnRight` [INFO] [stdout] --> rust_lang/examples/ch_10.rs:246:5 [INFO] [stdout] | [INFO] [stdout] 246 | TurnRight, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Home` [INFO] [stdout] --> rust_lang/examples/ch_10.rs:247:5 [INFO] [stdout] | [INFO] [stdout] 247 | Home, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Noop` [INFO] [stdout] --> rust_lang/examples/ch_10.rs:248:5 [INFO] [stdout] | [INFO] [stdout] 248 | Noop(usize), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `East` [INFO] [stdout] --> rust_lang/examples/ch_10.rs:253:5 [INFO] [stdout] | [INFO] [stdout] 253 | East, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `South` [INFO] [stdout] --> rust_lang/examples/ch_10.rs:254:5 [INFO] [stdout] | [INFO] [stdout] 254 | South, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `West` [INFO] [stdout] --> rust_lang/examples/ch_10.rs:255:5 [INFO] [stdout] | [INFO] [stdout] 255 | West, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `North` [INFO] [stdout] --> rust_lang/examples/ch_10.rs:256:5 [INFO] [stdout] | [INFO] [stdout] 256 | North, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `WIDTH` [INFO] [stdout] --> rust_lang/examples/ch_10.rs:270:1 [INFO] [stdout] | [INFO] [stdout] 270 | const WIDTH: isize = 400; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `HEIGHT` [INFO] [stdout] --> rust_lang/examples/ch_10.rs:271:1 [INFO] [stdout] | [INFO] [stdout] 271 | const HEIGHT: isize = 400; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `HOME_X` [INFO] [stdout] --> rust_lang/examples/ch_10.rs:272:1 [INFO] [stdout] | [INFO] [stdout] 272 | const HOME_X: isize = WIDTH / 2; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `HOME_Y` [INFO] [stdout] --> rust_lang/examples/ch_10.rs:273:1 [INFO] [stdout] | [INFO] [stdout] 273 | const HOME_Y: isize = HEIGHT / 2; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `STROKE_WIDTH` [INFO] [stdout] --> rust_lang/examples/ch_10.rs:274:1 [INFO] [stdout] | [INFO] [stdout] 274 | const STROKE_WIDTH: usize = 5; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `x` [INFO] [stdout] --> rust_lang/examples/ch_10.rs:277:5 [INFO] [stdout] | [INFO] [stdout] 277 | x: isize, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `y` [INFO] [stdout] --> rust_lang/examples/ch_10.rs:278:5 [INFO] [stdout] | [INFO] [stdout] 278 | y: isize, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `heading` [INFO] [stdout] --> rust_lang/examples/ch_10.rs:279:5 [INFO] [stdout] | [INFO] [stdout] 279 | heading: Orientation, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> rust_lang/examples/ch_10.rs:283:8 [INFO] [stdout] | [INFO] [stdout] 283 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `forward` [INFO] [stdout] --> rust_lang/examples/ch_10.rs:291:8 [INFO] [stdout] | [INFO] [stdout] 291 | fn forward(&mut self, distance: isize) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `home` [INFO] [stdout] --> rust_lang/examples/ch_10.rs:304:8 [INFO] [stdout] | [INFO] [stdout] 304 | fn home(&mut self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `turn_left` [INFO] [stdout] --> rust_lang/examples/ch_10.rs:309:8 [INFO] [stdout] | [INFO] [stdout] 309 | fn turn_left(&mut self) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `turn_right` [INFO] [stdout] --> rust_lang/examples/ch_10.rs:320:8 [INFO] [stdout] | [INFO] [stdout] 320 | fn turn_right(&mut self) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `wrap` [INFO] [stdout] --> rust_lang/examples/ch_10.rs:331:8 [INFO] [stdout] | [INFO] [stdout] 331 | fn wrap(&mut self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Ping` [INFO] [stdout] --> rust_lang/examples/ch_10.rs:378:5 [INFO] [stdout] | [INFO] [stdout] 378 | Ping, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Pong` [INFO] [stdout] --> rust_lang/examples/ch_10.rs:379:5 [INFO] [stdout] | [INFO] [stdout] 379 | Pong, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Pang` [INFO] [stdout] --> rust_lang/examples/ch_10.rs:380:5 [INFO] [stdout] | [INFO] [stdout] 380 | Pang, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Work` [INFO] [stdout] --> rust_lang/examples/ch_10.rs:410:6 [INFO] [stdout] | [INFO] [stdout] 410 | enum Work { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 39 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "53793d170e07f03e0cb2e03cf8d0dd4bd1a439756981115d8609a9866465144d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "53793d170e07f03e0cb2e03cf8d0dd4bd1a439756981115d8609a9866465144d", kill_on_drop: false }` [INFO] [stdout] 53793d170e07f03e0cb2e03cf8d0dd4bd1a439756981115d8609a9866465144d