[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 1.55.0 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjwfy%2Frust-learn" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jwfy/rust-learn on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-4/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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] b0047cefffd97779dae6d9ce71f47b2e0656bba02cb526e61dc9f6d06ff01bdc [INFO] running `Command { std: "docker" "start" "-a" "b0047cefffd97779dae6d9ce71f47b2e0656bba02cb526e61dc9f6d06ff01bdc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b0047cefffd97779dae6d9ce71f47b2e0656bba02cb526e61dc9f6d06ff01bdc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b0047cefffd97779dae6d9ce71f47b2e0656bba02cb526e61dc9f6d06ff01bdc", kill_on_drop: false }` [INFO] [stdout] b0047cefffd97779dae6d9ce71f47b2e0656bba02cb526e61dc9f6d06ff01bdc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 29aed20773cdb49c90c281dbdaa4b46b2c90a2e08d9175d25b7d9ea94421ac5c [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "29aed20773cdb49c90c281dbdaa4b46b2c90a2e08d9175d25b7d9ea94421ac5c", kill_on_drop: false }` [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 serde_json v1.0.66 [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] [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] | ^^^^^^^^^^ help: use `dyn`: `dyn PointTrait` [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 issue #80165 [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] [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: 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: 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: 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] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [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: 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: 66 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 21.32s [INFO] running `Command { std: "docker" "inspect" "29aed20773cdb49c90c281dbdaa4b46b2c90a2e08d9175d25b7d9ea94421ac5c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "29aed20773cdb49c90c281dbdaa4b46b2c90a2e08d9175d25b7d9ea94421ac5c", kill_on_drop: false }` [INFO] [stdout] 29aed20773cdb49c90c281dbdaa4b46b2c90a2e08d9175d25b7d9ea94421ac5c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8bac72aadd0b2130c4711bb71e2f1e6d02ed5d69160f809a132e044f52d8f7b0 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "8bac72aadd0b2130c4711bb71e2f1e6d02ed5d69160f809a132e044f52d8f7b0", 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] [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] | ^^^^^^^^^^ help: use `dyn`: `dyn PointTrait` [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 issue #80165 [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] [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/trait0.rs:128:26 [INFO] [stdout] | [INFO] [stdout] 128 | let write1: &mut Write = &mut buf; [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Write` [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 issue #80165 [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: 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: 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] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [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: 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: 53 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.12s [INFO] running `Command { std: "docker" "inspect" "8bac72aadd0b2130c4711bb71e2f1e6d02ed5d69160f809a132e044f52d8f7b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8bac72aadd0b2130c4711bb71e2f1e6d02ed5d69160f809a132e044f52d8f7b0", kill_on_drop: false }` [INFO] [stdout] 8bac72aadd0b2130c4711bb71e2f1e6d02ed5d69160f809a132e044f52d8f7b0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] bdbb9c77744c81927a3794326bb9bc9074b1099abd4faaf04258c48e0d3eaba0 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "bdbb9c77744c81927a3794326bb9bc9074b1099abd4faaf04258c48e0d3eaba0", kill_on_drop: false }` [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] [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] | ^^^^^^^^^^ help: use `dyn`: `dyn PointTrait` [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 issue #80165 [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] 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/trait0.rs:128:26 [INFO] [stderr] | [INFO] [stderr] 128 | let write1: &mut Write = &mut buf; [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Write` [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 issue #80165 [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: 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: 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] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [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: 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: `rust-learn` (bin "rust-learn" test) generated 53 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rust_learn-ca53ea9f78180a98) [INFO] [stdout] [INFO] [stdout] running 18 tests [INFO] [stdout] test basic::iter::test::test0 ... ok [INFO] [stdout] test basic::owner_ship::test::test0 ... ok [INFO] [stdout] test basic::iter::test::test2 ... ok [INFO] [stdout] test basic::owner_ship::test::test1 ... ok [INFO] [stdout] test basic::owner_ship::test::test2 ... ok [INFO] [stdout] test basic::threads::test::test1 ... ok [INFO] [stdout] test basic::trait0::test::test ... ok [INFO] [stdout] test basic::threads::test::test2 ... ok [INFO] [stdout] test basic::type_system::test::test ... ok [INFO] [stdout] test basic::iter::test::test ... ok [INFO] [stdout] test basic::trait0::test::test_dyn ... 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 basic::type_system::test::test1 ... 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: 0x55ec223f9380 - std::backtrace_rs::backtrace::libunwind::trace::ha0ad43e8a952bfe7 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stdout] 1: 0x55ec223f9380 - std::backtrace_rs::backtrace::trace_unsynchronized::h6830419c0c4130dc [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55ec223f9380 - std::sys_common::backtrace::_print_fmt::h8f3516631ffa1ef5 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x55ec223f9380 - ::fmt::he1640d5f0d93f618 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x55ec2241bb3c - core::fmt::write::h88012e1f01caeebf [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/fmt/mod.rs:1115:17 [INFO] [stdout] 5: 0x55ec223f6435 - std::io::Write::write_fmt::h7728c39ea5632753 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/io/mod.rs:1665:15 [INFO] [stdout] 6: 0x55ec223fb4eb - std::sys_common::backtrace::_print::ha1f00492f406a015 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x55ec223fb4eb - std::sys_common::backtrace::print::hd54561b13feb6af3 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x55ec223fb4eb - std::panicking::default_hook::{{closure}}::h84fe124cd0864662 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:208:50 [INFO] [stdout] 9: 0x55ec223faffc - std::panicking::default_hook::h5a8e74a76ce290a7 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:222:9 [INFO] [stdout] 10: 0x55ec223fbbb4 - std::panicking::rust_panic_with_hook::h67c812a4fe9d4c91 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:622:17 [INFO] [stdout] 11: 0x55ec223fb697 - std::panicking::begin_panic_handler::{{closure}}::h33f9c1b96af300d7 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:519:13 [INFO] [stdout] 12: 0x55ec223f987c - std::sys_common::backtrace::__rust_end_short_backtrace::h51bae64be5921f0e [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stdout] 13: 0x55ec223fb5f9 - rust_begin_unwind [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:515:5 [INFO] [stdout] 14: 0x55ec223733b1 - core::panicking::panic_fmt::h12a3a3c256485fca [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/panicking.rs:92:14 [INFO] [stdout] 15: 0x55ec223734a3 - core::result::unwrap_failed::h2d8d0952e3250de9 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/result.rs:1599:5 [INFO] [stdout] 16: 0x55ec22382fc1 - core::result::Result::unwrap::h12ff859d59049311 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/result.rs:1281:23 [INFO] [stdout] 17: 0x55ec2238c8e3 - rust_learn::live_coding::file_io::test::test::h73efa9913ab4a0ab [INFO] [stdout] at /opt/rustwide/workdir/src/live_coding/file_io.rs:61:9 [INFO] [stdout] 18: 0x55ec2238c87a - rust_learn::live_coding::file_io::test::test::{{closure}}::h662e6ced963cf3b2 [INFO] [stdout] at /opt/rustwide/workdir/src/live_coding/file_io.rs:58:5 [INFO] [stdout] 19: 0x55ec2238e80e - core::ops::function::FnOnce::call_once::h940c6b064aad258c [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 20: 0x55ec223d9ef3 - core::ops::function::FnOnce::call_once::h5aba9a5d361d6c79 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 21: 0x55ec223d9ef3 - test::__rust_begin_short_backtrace::h705bb53b2b1d45e6 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/test/src/lib.rs:578:5 [INFO] [stdout] 22: 0x55ec223d89a8 - as core::ops::function::FnOnce>::call_once::ha20f614d7c0b2b6d [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/alloc/src/boxed.rs:1572:9 [INFO] [stdout] 23: 0x55ec223d89a8 - as core::ops::function::FnOnce<()>>::call_once::hf02f19eeb64ceabd [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panic.rs:347:9 [INFO] [stdout] 24: 0x55ec223d89a8 - std::panicking::try::do_call::h4bfab65eb3b4b036 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:401:40 [INFO] [stdout] 25: 0x55ec223d89a8 - std::panicking::try::h6613a46a6d2b6f88 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:365:19 [INFO] [stdout] 26: 0x55ec223d89a8 - std::panic::catch_unwind::h9f07b17b60991273 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panic.rs:434:14 [INFO] [stdout] 27: 0x55ec223d89a8 - test::run_test_in_process::hc38797eecf07854f [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/test/src/lib.rs:601:18 [INFO] [stdout] 28: 0x55ec223d89a8 - test::run_test::run_test_inner::{{closure}}::hac209db8bce0fd77 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/test/src/lib.rs:493:39 [INFO] [stdout] 29: 0x55ec223a713d - test::run_test::run_test_inner::{{closure}}::h4aefdd4b4a423e20 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/test/src/lib.rs:520:37 [INFO] [stdout] 30: 0x55ec223a713d - std::sys_common::backtrace::__rust_begin_short_backtrace::h652c9e2663704700 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stdout] 31: 0x55ec223ab918 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hd84fd5e0b5b1f45f [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/thread/mod.rs:476:17 [INFO] [stdout] 32: 0x55ec223ab918 - as core::ops::function::FnOnce<()>>::call_once::he23556962a2ae14b [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panic.rs:347:9 [INFO] [stdout] 33: 0x55ec223ab918 - std::panicking::try::do_call::h67d4f93e1fbaa5f9 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:401:40 [INFO] [stdout] 34: 0x55ec223ab918 - std::panicking::try::h396886e678db815e [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:365:19 [INFO] [stdout] 35: 0x55ec223ab918 - std::panic::catch_unwind::hc1d64dcecf0a00e0 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panic.rs:434:14 [INFO] [stdout] 36: 0x55ec223ab918 - std::thread::Builder::spawn_unchecked::{{closure}}::hc2644cf33cb61d8e [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/thread/mod.rs:475:30 [INFO] [stdout] 37: 0x55ec223ab918 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h4473c2c77b66963f [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 38: 0x55ec22400727 - as core::ops::function::FnOnce>::call_once::h6bff7798948b1075 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/alloc/src/boxed.rs:1572:9 [INFO] [stdout] 39: 0x55ec22400727 - as core::ops::function::FnOnce>::call_once::hc2d25ac38f6b2342 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/alloc/src/boxed.rs:1572:9 [INFO] [stdout] 40: 0x55ec22400727 - std::sys::unix::thread::Thread::new::thread_start::hbba5bc368baac205 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys/unix/thread.rs:74:17 [INFO] [stdout] 41: 0x7fb1bbd2b609 - start_thread [INFO] [stdout] 42: 0x7fb1bbafd293 - 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" "bdbb9c77744c81927a3794326bb9bc9074b1099abd4faaf04258c48e0d3eaba0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bdbb9c77744c81927a3794326bb9bc9074b1099abd4faaf04258c48e0d3eaba0", kill_on_drop: false }` [INFO] [stdout] bdbb9c77744c81927a3794326bb9bc9074b1099abd4faaf04258c48e0d3eaba0