[INFO] cloning repository https://github.com/jwfy/rust-learn [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jwfy/rust-learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjwfy%2Frust-learn", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjwfy%2Frust-learn'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] fea3642a5516386a605fc34601a8a06e59deba7b [INFO] testing jwfy/rust-learn against 1.59.0 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjwfy%2Frust-learn" "/workspace/builds/worker-61/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-61/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jwfy/rust-learn on toolchain 1.59.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jwfy/rust-learn [INFO] finished tweaking git repo https://github.com/jwfy/rust-learn [INFO] tweaked toml for git repo https://github.com/jwfy/rust-learn written to /workspace/builds/worker-61/source/Cargo.toml [INFO] crate git repo https://github.com/jwfy/rust-learn already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3e02b139be02f622f40d7a166e3fd6e5530d2a99e6b1980672b130df7f5a08d2 [INFO] running `Command { std: "docker" "start" "-a" "3e02b139be02f622f40d7a166e3fd6e5530d2a99e6b1980672b130df7f5a08d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3e02b139be02f622f40d7a166e3fd6e5530d2a99e6b1980672b130df7f5a08d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3e02b139be02f622f40d7a166e3fd6e5530d2a99e6b1980672b130df7f5a08d2", kill_on_drop: false }` [INFO] [stdout] 3e02b139be02f622f40d7a166e3fd6e5530d2a99e6b1980672b130df7f5a08d2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b71508b8c9a6cfd19e6ad9f56da05917ce3ec48cc4df8692947cd1bbc3ff1696 [INFO] running `Command { std: "docker" "start" "-a" "b71508b8c9a6cfd19e6ad9f56da05917ce3ec48cc4df8692947cd1bbc3ff1696", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.74 [INFO] [stderr] Compiling serde_derive v1.0.127 [INFO] [stderr] Compiling serde v1.0.127 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling serde_json v1.0.66 [INFO] [stderr] Compiling itoa v0.4.7 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling rust-learn v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Formatter`, `Pointer` [INFO] [stdout] --> src/basic/owner_ship.rs:45:20 [INFO] [stdout] | [INFO] [stdout] 45 | use std::fmt::{Formatter, Pointer}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] help: consider adding a `#[cfg(test)]` to the containing module [INFO] [stdout] --> src/basic/owner_ship.rs:44:1 [INFO] [stdout] | [INFO] [stdout] 44 | mod copy_test { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::rc::Rc` [INFO] [stdout] --> src/basic/type_system.rs:98:9 [INFO] [stdout] | [INFO] [stdout] 98 | use std::rc::Rc; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: consider adding a `#[cfg(test)]` to the containing module [INFO] [stdout] --> src/basic/type_system.rs:97:1 [INFO] [stdout] | [INFO] [stdout] 97 | mod box_test { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Read` [INFO] [stdout] --> src/basic/threads.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | use std::io::Read; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread::spawn` [INFO] [stdout] --> src/basic/threads.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | use std::thread::spawn; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/basic/type_system.rs:18:40 [INFO] [stdout] | [INFO] [stdout] 18 | fn dynaimic_dispatch(point_trait: &PointTrait) -> i32 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 18 - fn dynaimic_dispatch(point_trait: &PointTrait) -> i32 { [INFO] [stdout] 18 + fn dynaimic_dispatch(point_trait: &dyn PointTrait) -> i32 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b2` [INFO] [stdout] --> src/basic/owner_ship.rs:58:13 [INFO] [stdout] | [INFO] [stdout] 58 | let b2 = a2; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_b2` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `p2` [INFO] [stdout] --> src/basic/owner_ship.rs:93:13 [INFO] [stdout] | [INFO] [stdout] 93 | let p2 = p1; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_p2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `p2` [INFO] [stdout] --> src/basic/type_system.rs:59:13 [INFO] [stdout] | [INFO] [stdout] 59 | let p2 = p1; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_p2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `p1` [INFO] [stdout] --> src/basic/type_system.rs:65:13 [INFO] [stdout] | [INFO] [stdout] 65 | let p1 = Point { x: 11, y: 22 }; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_p1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `p2` [INFO] [stdout] --> src/basic/type_system.rs:67:17 [INFO] [stdout] | [INFO] [stdout] 67 | let p2 = Point { x: 44, y: 33 }; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_p2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `p1` [INFO] [stdout] --> src/basic/type_system.rs:86:13 [INFO] [stdout] | [INFO] [stdout] 86 | let p1 = Point { x: 1, y: 2 }; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_p1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `p1` [INFO] [stdout] --> src/basic/type_system.rs:88:13 [INFO] [stdout] | [INFO] [stdout] 88 | let p1 = Point { x: 3, y: 4 }; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_p1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/basic/type_system.rs:75:13 [INFO] [stdout] | [INFO] [stdout] 75 | let mut p1 = Point { x: 11, y: 22 }; [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/basic/type_system.rs:112:13 [INFO] [stdout] | [INFO] [stdout] 112 | let mut second = Box::new(Node { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `id` [INFO] [stdout] --> src/threadpool/threadpool.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | id : usize, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `thread` [INFO] [stdout] --> src/threadpool/threadpool.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | thread: JoinHandle<()> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `workers` [INFO] [stdout] --> src/threadpool/threadpool.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | workers: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_1` [INFO] [stdout] --> src/basic/owner_ship.rs:47:12 [INFO] [stdout] | [INFO] [stdout] 47 | pub fn test_1() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_2` [INFO] [stdout] --> src/basic/owner_ship.rs:64:12 [INFO] [stdout] | [INFO] [stdout] 64 | pub fn test_2() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_3` [INFO] [stdout] --> src/basic/owner_ship.rs:85:12 [INFO] [stdout] | [INFO] [stdout] 85 | pub fn test_3() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test` [INFO] [stdout] --> src/basic/owner_ship.rs:98:8 [INFO] [stdout] | [INFO] [stdout] 98 | pub fn test() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `dynaimic_dispatch` [INFO] [stdout] --> src/basic/type_system.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 18 | fn dynaimic_dispatch(point_trait: &PointTrait) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `static_dispatch` [INFO] [stdout] --> src/basic/type_system.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 23 | fn static_dispatch(t: &T) -> i32 [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `static_dispatch_1` [INFO] [stdout] --> src/basic/type_system.rs:31:8 [INFO] [stdout] | [INFO] [stdout] 31 | fn static_dispatch_1(t: T) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_1` [INFO] [stdout] --> src/basic/type_system.rs:36:12 [INFO] [stdout] | [INFO] [stdout] 36 | pub fn test_1() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `x` [INFO] [stdout] --> src/basic/type_system.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 46 | x: i32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `y` [INFO] [stdout] --> src/basic/type_system.rs:47:9 [INFO] [stdout] | [INFO] [stdout] 47 | y: i32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_1` [INFO] [stdout] --> src/basic/type_system.rs:56:12 [INFO] [stdout] | [INFO] [stdout] 56 | pub fn test_1() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_2` [INFO] [stdout] --> src/basic/type_system.rs:64:12 [INFO] [stdout] | [INFO] [stdout] 64 | pub fn test_2() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_3` [INFO] [stdout] --> src/basic/type_system.rs:74:12 [INFO] [stdout] | [INFO] [stdout] 74 | pub fn test_3() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_4` [INFO] [stdout] --> src/basic/type_system.rs:85:12 [INFO] [stdout] | [INFO] [stdout] 85 | pub fn test_4() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_box` [INFO] [stdout] --> src/basic/type_system.rs:100:8 [INFO] [stdout] | [INFO] [stdout] 100 | fn test_box() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `point` [INFO] [stdout] --> src/basic/type_system.rs:145:12 [INFO] [stdout] | [INFO] [stdout] 145 | pub fn point() { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_trait` [INFO] [stdout] --> src/basic/type_system.rs:174:8 [INFO] [stdout] | [INFO] [stdout] 174 | pub fn test_trait() { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_drop` [INFO] [stdout] --> src/basic/type_system.rs:178:8 [INFO] [stdout] | [INFO] [stdout] 178 | pub fn test_drop() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_box` [INFO] [stdout] --> src/basic/type_system.rs:185:8 [INFO] [stdout] | [INFO] [stdout] 185 | pub fn test_box() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test` [INFO] [stdout] --> src/basic/type_system.rs:189:8 [INFO] [stdout] | [INFO] [stdout] 189 | pub fn test() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/basic/iter.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | fn new() -> Counter { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `piter` [INFO] [stdout] --> src/basic/iter.rs:28:4 [INFO] [stdout] | [INFO] [stdout] 28 | fn piter(t : T) [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test1` [INFO] [stdout] --> src/basic/threads.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn test1() { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test` [INFO] [stdout] --> src/basic/threads.rs:55:8 [INFO] [stdout] | [INFO] [stdout] 55 | pub fn test() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_deref` [INFO] [stdout] --> src/basic/trait0.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn test_deref() { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_deref2` [INFO] [stdout] --> src/basic/trait0.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn test_deref2() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_default` [INFO] [stdout] --> src/basic/trait0.rs:57:12 [INFO] [stdout] | [INFO] [stdout] 57 | pub fn test_default() { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test` [INFO] [stdout] --> src/basic/trait0.rs:74:8 [INFO] [stdout] | [INFO] [stdout] 74 | pub fn test() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `format` [INFO] [stdout] --> src/basic/trait0.rs:110:12 [INFO] [stdout] | [INFO] [stdout] 110 | pub fn format(input: &String, formatter: Box) -> bool { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `More` [INFO] [stdout] --> src/list/first.rs:39:3 [INFO] [stdout] | [INFO] [stdout] 39 | More(Box), [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `elem` [INFO] [stdout] --> src/list/first.rs:43:3 [INFO] [stdout] | [INFO] [stdout] 43 | elem: i32, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/list/first.rs:48:10 [INFO] [stdout] | [INFO] [stdout] 48 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `push` [INFO] [stdout] --> src/list/first.rs:53:10 [INFO] [stdout] | [INFO] [stdout] 53 | pub fn push(&mut self, elem:i32) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `pop` [INFO] [stdout] --> src/list/first.rs:72:10 [INFO] [stdout] | [INFO] [stdout] 72 | pub fn pop(&mut self) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/list/second.rs:30:12 [INFO] [stdout] | [INFO] [stdout] 30 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `push` [INFO] [stdout] --> src/list/second.rs:37:12 [INFO] [stdout] | [INFO] [stdout] 37 | pub fn push(&mut self, elem: T) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek` [INFO] [stdout] --> src/list/second.rs:70:12 [INFO] [stdout] | [INFO] [stdout] 70 | pub fn peek(&self) -> Option<&T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek_mut` [INFO] [stdout] --> src/list/second.rs:81:12 [INFO] [stdout] | [INFO] [stdout] 81 | pub fn peek_mut(&mut self) -> Option<&mut T> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `into_iter` [INFO] [stdout] --> src/list/second.rs:88:12 [INFO] [stdout] | [INFO] [stdout] 88 | pub fn into_iter(self) -> IntoIter { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/live_coding/file_io.rs:22:12 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn new(name: String, age: i32, genger: Genger) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `load` [INFO] [stdout] --> src/live_coding/file_io.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn load(file_name: &str) -> Result { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `store` [INFO] [stdout] --> src/live_coding/file_io.rs:34:12 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn store(&self, file_name: &str) -> Result { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `strtok` [INFO] [stdout] --> src/live_coding/strtok.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn strtok<'a>(s: &'a mut &str, p: char) -> &'a str { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/live_coding/fibonacci.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | pub fn new(total: u8) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Event` [INFO] [stdout] --> src/live_coding/encoder.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct Event { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/live_coding/encoder.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn new(id: Id, data: Data) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `encode` [INFO] [stdout] --> src/live_coding/encoder.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn encode(&self) -> Option> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: module `dynTrait` should have a snake case name [INFO] [stdout] --> src/basic/trait0.rs:80:5 [INFO] [stdout] | [INFO] [stdout] 80 | mod dynTrait { [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case: `dyn_trait` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: path statement drops value [INFO] [stdout] --> src/basic/type_system.rs:77:13 [INFO] [stdout] | [INFO] [stdout] 77 | p1; [INFO] [stdout] | ^^^ help: use `drop` to clarify the intent: `drop(p1);` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(path_statements)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/basic/type_system.rs:160:13 [INFO] [stdout] | [INFO] [stdout] 160 | &pp; [INFO] [stdout] | ^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 160 | let _ = &pp; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `Foo` should have an upper case name [INFO] [stdout] --> src/basic/threads.rs:9:20 [INFO] [stdout] | [INFO] [stdout] 9 | static Foo : RefCell = RefCell::new(1) [INFO] [stdout] | ^^^ help: convert the identifier to upper case (notice the capitalization): `FOO` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 68 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 13.74s [INFO] running `Command { std: "docker" "inspect" "b71508b8c9a6cfd19e6ad9f56da05917ce3ec48cc4df8692947cd1bbc3ff1696", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b71508b8c9a6cfd19e6ad9f56da05917ce3ec48cc4df8692947cd1bbc3ff1696", kill_on_drop: false }` [INFO] [stdout] b71508b8c9a6cfd19e6ad9f56da05917ce3ec48cc4df8692947cd1bbc3ff1696 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ccdf42cdcf9ffa48f5947c04e482b771982e0db6d1b9a4356872a6a2ad832b95 [INFO] running `Command { std: "docker" "start" "-a" "ccdf42cdcf9ffa48f5947c04e482b771982e0db6d1b9a4356872a6a2ad832b95", kill_on_drop: false }` [INFO] [stderr] Compiling rust-learn v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Formatter`, `Pointer` [INFO] [stdout] --> src/basic/owner_ship.rs:45:20 [INFO] [stdout] | [INFO] [stdout] 45 | use std::fmt::{Formatter, Pointer}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] help: consider adding a `#[cfg(test)]` to the containing module [INFO] [stdout] --> src/basic/owner_ship.rs:44:1 [INFO] [stdout] | [INFO] [stdout] 44 | mod copy_test { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::rc::Rc` [INFO] [stdout] --> src/basic/type_system.rs:98:9 [INFO] [stdout] | [INFO] [stdout] 98 | use std::rc::Rc; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: consider adding a `#[cfg(test)]` to the containing module [INFO] [stdout] --> src/basic/type_system.rs:97:1 [INFO] [stdout] | [INFO] [stdout] 97 | mod box_test { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Read` [INFO] [stdout] --> src/basic/threads.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | use std::io::Read; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread::spawn` [INFO] [stdout] --> src/basic/threads.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | use std::thread::spawn; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/basic/type_system.rs:18:40 [INFO] [stdout] | [INFO] [stdout] 18 | fn dynaimic_dispatch(point_trait: &PointTrait) -> i32 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 18 - fn dynaimic_dispatch(point_trait: &PointTrait) -> i32 { [INFO] [stdout] 18 + fn dynaimic_dispatch(point_trait: &dyn PointTrait) -> i32 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/basic/trait0.rs:128:26 [INFO] [stdout] | [INFO] [stdout] 128 | let write1: &mut Write = &mut buf; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 128 - let write1: &mut Write = &mut buf; [INFO] [stdout] 128 + let write1: &mut dyn Write = &mut buf; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b2` [INFO] [stdout] --> src/basic/owner_ship.rs:58:13 [INFO] [stdout] | [INFO] [stdout] 58 | let b2 = a2; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_b2` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `p2` [INFO] [stdout] --> src/basic/owner_ship.rs:93:13 [INFO] [stdout] | [INFO] [stdout] 93 | let p2 = p1; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_p2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `p2` [INFO] [stdout] --> src/basic/type_system.rs:59:13 [INFO] [stdout] | [INFO] [stdout] 59 | let p2 = p1; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_p2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `p1` [INFO] [stdout] --> src/basic/type_system.rs:65:13 [INFO] [stdout] | [INFO] [stdout] 65 | let p1 = Point { x: 11, y: 22 }; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_p1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `p2` [INFO] [stdout] --> src/basic/type_system.rs:67:17 [INFO] [stdout] | [INFO] [stdout] 67 | let p2 = Point { x: 44, y: 33 }; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_p2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `p1` [INFO] [stdout] --> src/basic/type_system.rs:86:13 [INFO] [stdout] | [INFO] [stdout] 86 | let p1 = Point { x: 1, y: 2 }; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_p1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `p1` [INFO] [stdout] --> src/basic/type_system.rs:88:13 [INFO] [stdout] | [INFO] [stdout] 88 | let p1 = Point { x: 3, y: 4 }; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_p1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `ss1` is never read [INFO] [stdout] --> src/basic/type_system.rs:208:17 [INFO] [stdout] | [INFO] [stdout] 208 | let mut ss1 = ss; [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: unused variable: `iter` [INFO] [stdout] --> src/basic/iter.rs:57:13 [INFO] [stdout] | [INFO] [stdout] 57 | let iter = v1.iter(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_iter` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `iter` [INFO] [stdout] --> src/basic/iter.rs:58:13 [INFO] [stdout] | [INFO] [stdout] 58 | let iter = &v1.iter(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_iter` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s1` [INFO] [stdout] --> src/basic/threads.rs:76:13 [INFO] [stdout] | [INFO] [stdout] 76 | let s1 = "hello world"; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_s1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `write1` [INFO] [stdout] --> src/basic/trait0.rs:128:13 [INFO] [stdout] | [INFO] [stdout] 128 | let write1: &mut Write = &mut buf; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_write1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/basic/type_system.rs:75:13 [INFO] [stdout] | [INFO] [stdout] 75 | let mut p1 = Point { x: 11, y: 22 }; [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/basic/type_system.rs:112:13 [INFO] [stdout] | [INFO] [stdout] 112 | let mut second = Box::new(Node { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `id` [INFO] [stdout] --> src/threadpool/threadpool.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | id : usize, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `thread` [INFO] [stdout] --> src/threadpool/threadpool.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | thread: JoinHandle<()> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `workers` [INFO] [stdout] --> src/threadpool/threadpool.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | workers: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_1` [INFO] [stdout] --> src/basic/owner_ship.rs:47:12 [INFO] [stdout] | [INFO] [stdout] 47 | pub fn test_1() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_2` [INFO] [stdout] --> src/basic/owner_ship.rs:64:12 [INFO] [stdout] | [INFO] [stdout] 64 | pub fn test_2() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_3` [INFO] [stdout] --> src/basic/owner_ship.rs:85:12 [INFO] [stdout] | [INFO] [stdout] 85 | pub fn test_3() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test` [INFO] [stdout] --> src/basic/owner_ship.rs:98:8 [INFO] [stdout] | [INFO] [stdout] 98 | pub fn test() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `dynaimic_dispatch` [INFO] [stdout] --> src/basic/type_system.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 18 | fn dynaimic_dispatch(point_trait: &PointTrait) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `static_dispatch` [INFO] [stdout] --> src/basic/type_system.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 23 | fn static_dispatch(t: &T) -> i32 [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `static_dispatch_1` [INFO] [stdout] --> src/basic/type_system.rs:31:8 [INFO] [stdout] | [INFO] [stdout] 31 | fn static_dispatch_1(t: T) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_1` [INFO] [stdout] --> src/basic/type_system.rs:36:12 [INFO] [stdout] | [INFO] [stdout] 36 | pub fn test_1() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `x` [INFO] [stdout] --> src/basic/type_system.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 46 | x: i32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `y` [INFO] [stdout] --> src/basic/type_system.rs:47:9 [INFO] [stdout] | [INFO] [stdout] 47 | y: i32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_1` [INFO] [stdout] --> src/basic/type_system.rs:56:12 [INFO] [stdout] | [INFO] [stdout] 56 | pub fn test_1() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_2` [INFO] [stdout] --> src/basic/type_system.rs:64:12 [INFO] [stdout] | [INFO] [stdout] 64 | pub fn test_2() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_3` [INFO] [stdout] --> src/basic/type_system.rs:74:12 [INFO] [stdout] | [INFO] [stdout] 74 | pub fn test_3() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_4` [INFO] [stdout] --> src/basic/type_system.rs:85:12 [INFO] [stdout] | [INFO] [stdout] 85 | pub fn test_4() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_box` [INFO] [stdout] --> src/basic/type_system.rs:100:8 [INFO] [stdout] | [INFO] [stdout] 100 | fn test_box() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `point` [INFO] [stdout] --> src/basic/type_system.rs:145:12 [INFO] [stdout] | [INFO] [stdout] 145 | pub fn point() { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_trait` [INFO] [stdout] --> src/basic/type_system.rs:174:8 [INFO] [stdout] | [INFO] [stdout] 174 | pub fn test_trait() { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_drop` [INFO] [stdout] --> src/basic/type_system.rs:178:8 [INFO] [stdout] | [INFO] [stdout] 178 | pub fn test_drop() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_box` [INFO] [stdout] --> src/basic/type_system.rs:185:8 [INFO] [stdout] | [INFO] [stdout] 185 | pub fn test_box() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test` [INFO] [stdout] --> src/basic/type_system.rs:189:8 [INFO] [stdout] | [INFO] [stdout] 189 | pub fn test() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test1` [INFO] [stdout] --> src/basic/threads.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn test1() { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test` [INFO] [stdout] --> src/basic/threads.rs:55:8 [INFO] [stdout] | [INFO] [stdout] 55 | pub fn test() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_deref` [INFO] [stdout] --> src/basic/trait0.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn test_deref() { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_deref2` [INFO] [stdout] --> src/basic/trait0.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn test_deref2() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_default` [INFO] [stdout] --> src/basic/trait0.rs:57:12 [INFO] [stdout] | [INFO] [stdout] 57 | pub fn test_default() { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test` [INFO] [stdout] --> src/basic/trait0.rs:74:8 [INFO] [stdout] | [INFO] [stdout] 74 | pub fn test() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `into_iter` [INFO] [stdout] --> src/list/second.rs:88:12 [INFO] [stdout] | [INFO] [stdout] 88 | pub fn into_iter(self) -> IntoIter { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/live_coding/file_io.rs:22:12 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn new(name: String, age: i32, genger: Genger) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: module `dynTrait` should have a snake case name [INFO] [stdout] --> src/basic/trait0.rs:80:5 [INFO] [stdout] | [INFO] [stdout] 80 | mod dynTrait { [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case: `dyn_trait` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: path statement drops value [INFO] [stdout] --> src/basic/type_system.rs:77:13 [INFO] [stdout] | [INFO] [stdout] 77 | p1; [INFO] [stdout] | ^^^ help: use `drop` to clarify the intent: `drop(p1);` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(path_statements)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/basic/type_system.rs:160:13 [INFO] [stdout] | [INFO] [stdout] 160 | &pp; [INFO] [stdout] | ^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 160 | let _ = &pp; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `Foo` should have an upper case name [INFO] [stdout] --> src/basic/threads.rs:9:20 [INFO] [stdout] | [INFO] [stdout] 9 | static Foo : RefCell = RefCell::new(1) [INFO] [stdout] | ^^^ help: convert the identifier to upper case (notice the capitalization): `FOO` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 55 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.70s [INFO] running `Command { std: "docker" "inspect" "ccdf42cdcf9ffa48f5947c04e482b771982e0db6d1b9a4356872a6a2ad832b95", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ccdf42cdcf9ffa48f5947c04e482b771982e0db6d1b9a4356872a6a2ad832b95", kill_on_drop: false }` [INFO] [stdout] ccdf42cdcf9ffa48f5947c04e482b771982e0db6d1b9a4356872a6a2ad832b95 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 37fcfba578f6b1480cf6cda904eec118a61b66ce04ae49b4622b311ff36b8cd4 [INFO] running `Command { std: "docker" "start" "-a" "37fcfba578f6b1480cf6cda904eec118a61b66ce04ae49b4622b311ff36b8cd4", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused imports: `Formatter`, `Pointer` [INFO] [stderr] --> src/basic/owner_ship.rs:45:20 [INFO] [stderr] | [INFO] [stderr] 45 | use std::fmt::{Formatter, Pointer}; [INFO] [stderr] | ^^^^^^^^^ ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] help: consider adding a `#[cfg(test)]` to the containing module [INFO] [stderr] --> src/basic/owner_ship.rs:44:1 [INFO] [stderr] | [INFO] [stderr] 44 | mod copy_test { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::rc::Rc` [INFO] [stderr] --> src/basic/type_system.rs:98:9 [INFO] [stderr] | [INFO] [stderr] 98 | use std::rc::Rc; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] help: consider adding a `#[cfg(test)]` to the containing module [INFO] [stderr] --> src/basic/type_system.rs:97:1 [INFO] [stderr] | [INFO] [stderr] 97 | mod box_test { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::Read` [INFO] [stderr] --> src/basic/threads.rs:3:9 [INFO] [stderr] | [INFO] [stderr] 3 | use std::io::Read; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::thread::spawn` [INFO] [stderr] --> src/basic/threads.rs:5:9 [INFO] [stderr] | [INFO] [stderr] 5 | use std::thread::spawn; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/basic/type_system.rs:18:40 [INFO] [stderr] | [INFO] [stderr] 18 | fn dynaimic_dispatch(point_trait: &PointTrait) -> i32 { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 18 - fn dynaimic_dispatch(point_trait: &PointTrait) -> i32 { [INFO] [stderr] 18 + fn dynaimic_dispatch(point_trait: &dyn PointTrait) -> i32 { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/basic/trait0.rs:128:26 [INFO] [stderr] | [INFO] [stderr] 128 | let write1: &mut Write = &mut buf; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 128 - let write1: &mut Write = &mut buf; [INFO] [stderr] 128 + let write1: &mut dyn Write = &mut buf; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unused variable: `b2` [INFO] [stderr] --> src/basic/owner_ship.rs:58:13 [INFO] [stderr] | [INFO] [stderr] 58 | let b2 = a2; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_b2` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `p2` [INFO] [stderr] --> src/basic/owner_ship.rs:93:13 [INFO] [stderr] | [INFO] [stderr] 93 | let p2 = p1; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_p2` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `p2` [INFO] [stderr] --> src/basic/type_system.rs:59:13 [INFO] [stderr] | [INFO] [stderr] 59 | let p2 = p1; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_p2` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `p1` [INFO] [stderr] --> src/basic/type_system.rs:65:13 [INFO] [stderr] | [INFO] [stderr] 65 | let p1 = Point { x: 11, y: 22 }; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_p1` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `p2` [INFO] [stderr] --> src/basic/type_system.rs:67:17 [INFO] [stderr] | [INFO] [stderr] 67 | let p2 = Point { x: 44, y: 33 }; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_p2` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `p1` [INFO] [stderr] --> src/basic/type_system.rs:86:13 [INFO] [stderr] | [INFO] [stderr] 86 | let p1 = Point { x: 1, y: 2 }; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_p1` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `p1` [INFO] [stderr] --> src/basic/type_system.rs:88:13 [INFO] [stderr] | [INFO] [stderr] 88 | let p1 = Point { x: 3, y: 4 }; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_p1` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `ss1` is never read [INFO] [stderr] --> src/basic/type_system.rs:208:17 [INFO] [stderr] | [INFO] [stderr] 208 | let mut ss1 = ss; [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `iter` [INFO] [stderr] --> src/basic/iter.rs:57:13 [INFO] [stderr] | [INFO] [stderr] 57 | let iter = v1.iter(); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_iter` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `iter` [INFO] [stderr] --> src/basic/iter.rs:58:13 [INFO] [stderr] | [INFO] [stderr] 58 | let iter = &v1.iter(); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_iter` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `s1` [INFO] [stderr] --> src/basic/threads.rs:76:13 [INFO] [stderr] | [INFO] [stderr] 76 | let s1 = "hello world"; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_s1` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `write1` [INFO] [stderr] --> src/basic/trait0.rs:128:13 [INFO] [stderr] | [INFO] [stderr] 128 | let write1: &mut Write = &mut buf; [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_write1` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/basic/type_system.rs:75:13 [INFO] [stderr] | [INFO] [stderr] 75 | let mut p1 = Point { x: 11, y: 22 }; [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/basic/type_system.rs:112:13 [INFO] [stderr] | [INFO] [stderr] 112 | let mut second = Box::new(Node { [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: field is never read: `id` [INFO] [stderr] --> src/threadpool/threadpool.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | id : usize, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `thread` [INFO] [stderr] --> src/threadpool/threadpool.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | thread: JoinHandle<()> [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `workers` [INFO] [stderr] --> src/threadpool/threadpool.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 29 | workers: Vec, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test_1` [INFO] [stderr] --> src/basic/owner_ship.rs:47:12 [INFO] [stderr] | [INFO] [stderr] 47 | pub fn test_1() { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test_2` [INFO] [stderr] --> src/basic/owner_ship.rs:64:12 [INFO] [stderr] | [INFO] [stderr] 64 | pub fn test_2() { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test_3` [INFO] [stderr] --> src/basic/owner_ship.rs:85:12 [INFO] [stderr] | [INFO] [stderr] 85 | pub fn test_3() { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test` [INFO] [stderr] --> src/basic/owner_ship.rs:98:8 [INFO] [stderr] | [INFO] [stderr] 98 | pub fn test() { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `dynaimic_dispatch` [INFO] [stderr] --> src/basic/type_system.rs:18:8 [INFO] [stderr] | [INFO] [stderr] 18 | fn dynaimic_dispatch(point_trait: &PointTrait) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `static_dispatch` [INFO] [stderr] --> src/basic/type_system.rs:23:8 [INFO] [stderr] | [INFO] [stderr] 23 | fn static_dispatch(t: &T) -> i32 [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `static_dispatch_1` [INFO] [stderr] --> src/basic/type_system.rs:31:8 [INFO] [stderr] | [INFO] [stderr] 31 | fn static_dispatch_1(t: T) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test_1` [INFO] [stderr] --> src/basic/type_system.rs:36:12 [INFO] [stderr] | [INFO] [stderr] 36 | pub fn test_1() { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `x` [INFO] [stderr] --> src/basic/type_system.rs:46:9 [INFO] [stderr] | [INFO] [stderr] 46 | x: i32, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `y` [INFO] [stderr] --> src/basic/type_system.rs:47:9 [INFO] [stderr] | [INFO] [stderr] 47 | y: i32, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test_1` [INFO] [stderr] --> src/basic/type_system.rs:56:12 [INFO] [stderr] | [INFO] [stderr] 56 | pub fn test_1() { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test_2` [INFO] [stderr] --> src/basic/type_system.rs:64:12 [INFO] [stderr] | [INFO] [stderr] 64 | pub fn test_2() { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test_3` [INFO] [stderr] --> src/basic/type_system.rs:74:12 [INFO] [stderr] | [INFO] [stderr] 74 | pub fn test_3() { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test_4` [INFO] [stderr] --> src/basic/type_system.rs:85:12 [INFO] [stderr] | [INFO] [stderr] 85 | pub fn test_4() { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test_box` [INFO] [stderr] --> src/basic/type_system.rs:100:8 [INFO] [stderr] | [INFO] [stderr] 100 | fn test_box() { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `point` [INFO] [stderr] --> src/basic/type_system.rs:145:12 [INFO] [stderr] | [INFO] [stderr] 145 | pub fn point() { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test_trait` [INFO] [stderr] --> src/basic/type_system.rs:174:8 [INFO] [stderr] | [INFO] [stderr] 174 | pub fn test_trait() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test_drop` [INFO] [stderr] --> src/basic/type_system.rs:178:8 [INFO] [stderr] | [INFO] [stderr] 178 | pub fn test_drop() { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test_box` [INFO] [stderr] --> src/basic/type_system.rs:185:8 [INFO] [stderr] | [INFO] [stderr] 185 | pub fn test_box() { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test` [INFO] [stderr] --> src/basic/type_system.rs:189:8 [INFO] [stderr] | [INFO] [stderr] 189 | pub fn test() { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test1` [INFO] [stderr] --> src/basic/threads.rs:7:12 [INFO] [stderr] | [INFO] [stderr] 7 | pub fn test1() { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test` [INFO] [stderr] --> src/basic/threads.rs:55:8 [INFO] [stderr] | [INFO] [stderr] 55 | pub fn test() { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test_deref` [INFO] [stderr] --> src/basic/trait0.rs:4:12 [INFO] [stderr] | [INFO] [stderr] 4 | pub fn test_deref() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test_deref2` [INFO] [stderr] --> src/basic/trait0.rs:28:12 [INFO] [stderr] | [INFO] [stderr] 28 | pub fn test_deref2() { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test_default` [INFO] [stderr] --> src/basic/trait0.rs:57:12 [INFO] [stderr] | [INFO] [stderr] 57 | pub fn test_default() { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test` [INFO] [stderr] --> src/basic/trait0.rs:74:8 [INFO] [stderr] | [INFO] [stderr] 74 | pub fn test() { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `into_iter` [INFO] [stderr] --> src/list/second.rs:88:12 [INFO] [stderr] | [INFO] [stderr] 88 | pub fn into_iter(self) -> IntoIter { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/live_coding/file_io.rs:22:12 [INFO] [stderr] | [INFO] [stderr] 22 | pub fn new(name: String, age: i32, genger: Genger) -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: module `dynTrait` should have a snake case name [INFO] [stderr] --> src/basic/trait0.rs:80:5 [INFO] [stderr] | [INFO] [stderr] 80 | mod dynTrait { [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to snake case: `dyn_trait` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: path statement drops value [INFO] [stderr] --> src/basic/type_system.rs:77:13 [INFO] [stderr] | [INFO] [stderr] 77 | p1; [INFO] [stderr] | ^^^ help: use `drop` to clarify the intent: `drop(p1);` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(path_statements)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/basic/type_system.rs:160:13 [INFO] [stderr] | [INFO] [stderr] 160 | &pp; [INFO] [stderr] | ^^^ the borrow produces a value [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 160 | let _ = &pp; [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: constant `Foo` should have an upper case name [INFO] [stderr] --> src/basic/threads.rs:9:20 [INFO] [stderr] | [INFO] [stderr] 9 | static Foo : RefCell = RefCell::new(1) [INFO] [stderr] | ^^^ help: convert the identifier to upper case (notice the capitalization): `FOO` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `rust-learn` (bin "rust-learn" test) generated 55 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.98s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rust_learn-8b04c3449c52878e) [INFO] [stdout] [INFO] [stdout] running 18 tests [INFO] [stdout] test basic::iter::test::test ... ok [INFO] [stdout] test basic::iter::test::test0 ... ok [INFO] [stdout] test basic::owner_ship::test::test0 ... ok [INFO] [stdout] test basic::owner_ship::test::test1 ... ok [INFO] [stdout] test basic::iter::test::test2 ... ok [INFO] [stdout] test basic::threads::test::test1 ... ok [INFO] [stdout] test basic::owner_ship::test::test2 ... ok [INFO] [stdout] test basic::threads::test::test2 ... ok [INFO] [stdout] test basic::trait0::test::test ... ok [INFO] [stdout] test basic::trait0::test::test_dyn ... ok [INFO] [stdout] test basic::type_system::test::test1 ... ok [INFO] [stdout] test basic::type_system::test::test ... ok [INFO] [stdout] test list::first::test::basic ... ok [INFO] [stdout] test list::second::test::test_peek ... ok [INFO] [stdout] test live_coding::encoder::test::test ... ok [INFO] [stdout] test live_coding::fibonacci::test::test ... ok [INFO] [stdout] test live_coding::strtok::test::test ... ok [INFO] [stdout] test live_coding::file_io::test::test ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- live_coding::file_io::test::test stdout ---- [INFO] [stdout] thread 'live_coding::file_io::test::test' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }', src/live_coding/file_io.rs:61:31 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55dd29afe37c - std::backtrace_rs::backtrace::libunwind::trace::h91c465e73bf6c785 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x55dd29afe37c - std::backtrace_rs::backtrace::trace_unsynchronized::hae9da36f5d58b5f3 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55dd29afe37c - std::sys_common::backtrace::_print_fmt::h7f499fa126a7effb [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x55dd29afe37c - ::fmt::h3e2b509ce2ce6007 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x55dd29b23c6c - core::fmt::write::h753c7571fa063ecb [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/fmt/mod.rs:1168:17 [INFO] [stdout] 5: 0x55dd29af95e3 - std::io::Write::write_fmt::hb649ab67f71b6655 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/io/mod.rs:1660:15 [INFO] [stdout] 6: 0x55dd29b00a52 - std::sys_common::backtrace::_print::h64941a6fc8b0ed9b [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x55dd29b00a52 - std::sys_common::backtrace::print::hcf25e43e1a9b0766 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x55dd29b00a52 - std::panicking::default_hook::{{closure}}::h78d3e6cf97fc623d [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:211:50 [INFO] [stdout] 9: 0x55dd29b006a1 - std::panicking::default_hook::hda898f8d3ad1a5ae [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:225:9 [INFO] [stdout] 10: 0x55dd29b010a3 - std::panicking::rust_panic_with_hook::h1a5ea2d6c23051aa [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:606:17 [INFO] [stdout] 11: 0x55dd29b00dc0 - std::panicking::begin_panic_handler::{{closure}}::h07f549390938b73f [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:502:13 [INFO] [stdout] 12: 0x55dd29afe824 - std::sys_common::backtrace::__rust_end_short_backtrace::h5ec3758a92cfb00d [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/sys_common/backtrace.rs:139:18 [INFO] [stdout] 13: 0x55dd29b00af9 - rust_begin_unwind [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:498:5 [INFO] [stdout] 14: 0x55dd29a72dd1 - core::panicking::panic_fmt::h3a79a6a99affe1d5 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/panicking.rs:116:14 [INFO] [stdout] 15: 0x55dd29a72ec3 - core::result::unwrap_failed::ha0327e3803285d6e [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/result.rs:1690:5 [INFO] [stdout] 16: 0x55dd29a81d10 - core::result::Result::unwrap::hdd79346c7310a1c2 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/result.rs:1018:23 [INFO] [stdout] 17: 0x55dd29a87ba3 - rust_learn::live_coding::file_io::test::test::h5f9abc23448d214b [INFO] [stdout] at /opt/rustwide/workdir/src/live_coding/file_io.rs:61:9 [INFO] [stdout] 18: 0x55dd29a87b3a - rust_learn::live_coding::file_io::test::test::{{closure}}::h91ae565cdc53e7fa [INFO] [stdout] at /opt/rustwide/workdir/src/live_coding/file_io.rs:58:5 [INFO] [stdout] 19: 0x55dd29a8917e - core::ops::function::FnOnce::call_once::hfd42f3d603ee22ce [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 20: 0x55dd29ad0553 - core::ops::function::FnOnce::call_once::h1845a80638abc06e [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 21: 0x55dd29ad0553 - test::__rust_begin_short_backtrace::h4f56ccea01b9889f [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/test/src/lib.rs:574:5 [INFO] [stdout] 22: 0x55dd29acf23f - as core::ops::function::FnOnce>::call_once::h5afedf14a39ffa74 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/alloc/src/boxed.rs:1854:9 [INFO] [stdout] 23: 0x55dd29acf23f - as core::ops::function::FnOnce<()>>::call_once::hd5aaa1b551e9ce71 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 24: 0x55dd29acf23f - std::panicking::try::do_call::h316eebee63f96d32 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:406:40 [INFO] [stdout] 25: 0x55dd29acf23f - std::panicking::try::h662e31e84dd7ce52 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:370:19 [INFO] [stdout] 26: 0x55dd29acf23f - std::panic::catch_unwind::h129c1b23f076663f [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panic.rs:133:14 [INFO] [stdout] 27: 0x55dd29acf23f - test::run_test_in_process::h51d800d572f878ef [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/test/src/lib.rs:597:18 [INFO] [stdout] 28: 0x55dd29acf23f - test::run_test::run_test_inner::{{closure}}::h71a47db430260854 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/test/src/lib.rs:491:39 [INFO] [stdout] 29: 0x55dd29ad8601 - test::run_test::run_test_inner::{{closure}}::h02edd5b3e2dab52a [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/test/src/lib.rs:518:37 [INFO] [stdout] 30: 0x55dd29ad8601 - std::sys_common::backtrace::__rust_begin_short_backtrace::h0838cfc8b0e995ec [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/sys_common/backtrace.rs:123:18 [INFO] [stdout] 31: 0x55dd29aa508f - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h4c2725d7078043cd [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/thread/mod.rs:477:17 [INFO] [stdout] 32: 0x55dd29aa508f - as core::ops::function::FnOnce<()>>::call_once::hdf1aa612eed87270 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 33: 0x55dd29aa508f - std::panicking::try::do_call::hc72f8de3706d18d6 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:406:40 [INFO] [stdout] 34: 0x55dd29aa508f - std::panicking::try::h63f01f54dbd0fb87 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:370:19 [INFO] [stdout] 35: 0x55dd29aa508f - std::panic::catch_unwind::h58bc464ae9b26453 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panic.rs:133:14 [INFO] [stdout] 36: 0x55dd29aa508f - std::thread::Builder::spawn_unchecked::{{closure}}::h6c065e19513e33e3 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/thread/mod.rs:476:30 [INFO] [stdout] 37: 0x55dd29aa508f - core::ops::function::FnOnce::call_once{{vtable.shim}}::hd143450c74f35c32 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 38: 0x55dd29b06c23 - as core::ops::function::FnOnce>::call_once::h49b6c7c5155a2296 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/alloc/src/boxed.rs:1854:9 [INFO] [stdout] 39: 0x55dd29b06c23 - as core::ops::function::FnOnce>::call_once::ha8b5234bfeb15105 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/alloc/src/boxed.rs:1854:9 [INFO] [stdout] 40: 0x55dd29b06c23 - std::sys::unix::thread::Thread::new::thread_start::h6f207dd842d64859 [INFO] [stdout] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stdout] 41: 0x7f143dfd3609 - start_thread [INFO] [stdout] 42: 0x7f143dda5293 - clone [INFO] [stdout] 43: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] live_coding::file_io::test::test [INFO] [stdout] [INFO] [stdout] test result: FAILED. 17 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--bin rust-learn' [INFO] running `Command { std: "docker" "inspect" "37fcfba578f6b1480cf6cda904eec118a61b66ce04ae49b4622b311ff36b8cd4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "37fcfba578f6b1480cf6cda904eec118a61b66ce04ae49b4622b311ff36b8cd4", kill_on_drop: false }` [INFO] [stdout] 37fcfba578f6b1480cf6cda904eec118a61b66ce04ae49b4622b311ff36b8cd4