[INFO] cloning repository https://github.com/TheLudlows/rust-tour [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TheLudlows/rust-tour" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheLudlows%2Frust-tour", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheLudlows%2Frust-tour'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d710c26e59b86ec892e07cda9b8fca8f49a40bef [INFO] testing TheLudlows/rust-tour against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheLudlows%2Frust-tour" "/workspace/builds/worker-10/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/TheLudlows/rust-tour on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/TheLudlows/rust-tour [INFO] finished tweaking git repo https://github.com/TheLudlows/rust-tour [INFO] tweaked toml for git repo https://github.com/TheLudlows/rust-tour written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate git repo https://github.com/TheLudlows/rust-tour already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d92a958aa641c3b22ceca682bbcfa93997ae5b940bf7c9dd28a23e49b6129c93 [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" "d92a958aa641c3b22ceca682bbcfa93997ae5b940bf7c9dd28a23e49b6129c93", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d92a958aa641c3b22ceca682bbcfa93997ae5b940bf7c9dd28a23e49b6129c93", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d92a958aa641c3b22ceca682bbcfa93997ae5b940bf7c9dd28a23e49b6129c93", kill_on_drop: false }` [INFO] [stdout] d92a958aa641c3b22ceca682bbcfa93997ae5b940bf7c9dd28a23e49b6129c93 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4905c6061b43cdbe3b557c6d5ec5c41a998e06fd79ec9d04c07695cdeeb8273f [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" "4905c6061b43cdbe3b557c6d5ec5c41a998e06fd79ec9d04c07695cdeeb8273f", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.48 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling futures-core v0.3.7 [INFO] [stderr] Compiling futures-sink v0.3.7 [INFO] [stderr] Compiling futures-io v0.3.7 [INFO] [stderr] Compiling futures-task v0.3.7 [INFO] [stderr] Compiling futures-channel v0.3.7 [INFO] [stderr] Compiling pin-project-internal v1.0.1 [INFO] [stderr] Compiling futures-macro v0.3.7 [INFO] [stderr] Compiling pin-project v1.0.1 [INFO] [stderr] Compiling futures-util v0.3.7 [INFO] [stderr] Compiling futures-executor v0.3.7 [INFO] [stderr] Compiling futures v0.3.7 [INFO] [stderr] Compiling rust-tour v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `type_name_of_val` [INFO] [stdout] --> src/any.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::any::{type_name_of_val, Any, TypeId}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `executor` [INFO] [stdout] --> src/asyncs.rs:5:21 [INFO] [stdout] | [INFO] [stdout] 5 | use futures::{self, executor}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BorrowMut`, `Borrow` [INFO] [stdout] --> src/boxes.rs:1:19 [INFO] [stdout] | [INFO] [stdout] 1 | use std::borrow::{Borrow, BorrowMut}; [INFO] [stdout] | ^^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `DerefMut` [INFO] [stdout] --> src/boxes.rs:2:23 [INFO] [stdout] | [INFO] [stdout] 2 | use std::ops::{Deref, DerefMut}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Nil`, `Node` [INFO] [stdout] --> src/boxes.rs:4:26 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::boxes::List::{Nil, Node}; [INFO] [stdout] | ^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `structFoo` should have an upper camel case name [INFO] [stdout] --> src/boxes.rs:102:8 [INFO] [stdout] | [INFO] [stdout] 102 | struct structFoo; [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `StructFoo` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::BorrowMut` [INFO] [stdout] --> src/cell.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::borrow::BorrowMut; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cell::Cell` [INFO] [stdout] --> src/cell.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::cell::Cell; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/closures.rs:11:30 [INFO] [stdout] | [INFO] [stdout] 11 | fn returns_closure0() -> Box i32> { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(i32) -> i32` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Debug`, `Display` [INFO] [stdout] --> src/debug_display.rs:3:16 [INFO] [stdout] | [INFO] [stdout] 3 | use std::fmt::{Debug, Display, Formatter}; [INFO] [stdout] | ^^^^^ ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `LinkedList`, `VecDeque` [INFO] [stdout] --> src/dequeue.rs:1:24 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::{LinkedList, VecDeque}; [INFO] [stdout] | ^^^^^^^^^^ ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> src/error.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::path::PathBuf` [INFO] [stdout] --> src/error.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::path::PathBuf; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/flow_control.rs:13:10 [INFO] [stdout] | [INFO] [stdout] 13 | 1...3 => println!("1...3"), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `RefCell`, `Ref` [INFO] [stdout] --> src/generic.rs:1:17 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cell::{Ref, RefCell}; [INFO] [stdout] | ^^^ ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::vec::Vec` [INFO] [stdout] --> src/macros.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::vec::Vec; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition [INFO] [stdout] --> src/macros.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | / macro_rules! unless { [INFO] [stdout] 3 | | ($arg:expr, $branch:expr) => { [INFO] [stdout] 4 | | if !$arg { [INFO] [stdout] 5 | | $branch [INFO] [stdout] 6 | | }; [INFO] [stdout] 7 | | }; [INFO] [stdout] 8 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Add` [INFO] [stdout] --> src/option.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::ops::Add; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Borrow` [INFO] [stdout] --> src/rc.rs:1:19 [INFO] [stdout] | [INFO] [stdout] 1 | use std::borrow::{Borrow, BorrowMut}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Deref` [INFO] [stdout] --> src/rc.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::ops::Deref; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::any::Any` [INFO] [stdout] --> src/reflect.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::any::Any; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `one` should have an upper camel case name [INFO] [stdout] --> src/reflect.rs:4:11 [INFO] [stdout] | [INFO] [stdout] 4 | trait one: 'static {} [INFO] [stdout] | ^^^ help: convert the identifier to upper camel case (notice the capitalization): `One` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `empty` should have an upper camel case name [INFO] [stdout] --> src/structs.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 10 | struct empty; [INFO] [stdout] | ^^^^^ help: convert the identifier to upper camel case: `Empty` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cell::RefCell` [INFO] [stdout] --> src/thread.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cell::RefCell; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Arc`, `Barrier`, `Mutex`, `RwLock`, `mpsc` [INFO] [stdout] --> src/thread.rs:2:17 [INFO] [stdout] | [INFO] [stdout] 2 | use std::sync::{mpsc, Arc, Barrier, Mutex, RwLock}; [INFO] [stdout] | ^^^^ ^^^ ^^^^^^^ ^^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/thread.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Instant` [INFO] [stdout] --> src/thread.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::time::Instant; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Duration`, `self` [INFO] [stdout] --> src/thread.rs:6:17 [INFO] [stdout] | [INFO] [stdout] 6 | use std::time::{self, Duration}; [INFO] [stdout] | ^^^^ ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `star` should have an upper camel case name [INFO] [stdout] --> src/traits.rs:125:7 [INFO] [stdout] | [INFO] [stdout] 125 | trait star { [INFO] [stdout] | ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Star` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `cxk` should have an upper camel case name [INFO] [stdout] --> src/traits.rs:137:8 [INFO] [stdout] | [INFO] [stdout] 137 | struct cxk; [INFO] [stdout] | ^^^ help: convert the identifier to upper camel case (notice the capitalization): `Cxk` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ptr::Unique` [INFO] [stdout] --> src/unique.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::ptr::Unique; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::BorrowMut` [INFO] [stdout] --> src/var.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::borrow::BorrowMut; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::env::current_dir` [INFO] [stdout] --> src/file.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::env::current_dir; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> src/file.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BorrowMut` [INFO] [stdout] --> src/rc.rs:1:27 [INFO] [stdout] | [INFO] [stdout] 1 | use std::borrow::{Borrow, BorrowMut}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::Borrow` [INFO] [stdout] --> src/weakref.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::borrow::Borrow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/sendsync.rs:2:9 [INFO] [stdout] | [INFO] [stdout] 2 | let mut x = vec!["a"]; [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/var.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | let mut x = 5; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/var.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | let mut x = "a"; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/vector.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | let mut v = vec![1, 2, 3, 4, 5]; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `is_string1` [INFO] [stdout] --> src/any.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn is_string1(s: &dyn Any) -> bool { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `is_string2` [INFO] [stdout] --> src/any.rs:7:4 [INFO] [stdout] | [INFO] [stdout] 7 | fn is_string2(s: &dyn Any) -> bool { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `print_if_string` [INFO] [stdout] --> src/any.rs:54:4 [INFO] [stdout] | [INFO] [stdout] 54 | fn print_if_string(s: &dyn Any) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `modify_if_u32` [INFO] [stdout] --> src/any.rs:62:4 [INFO] [stdout] | [INFO] [stdout] 62 | fn modify_if_u32(s: &mut dyn Any) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `change_arr` [INFO] [stdout] --> src/array.rs:26:4 [INFO] [stdout] | [INFO] [stdout] 26 | fn change_arr(arr: &mut [i32; 2]) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `change_str_arr` [INFO] [stdout] --> src/array.rs:30:4 [INFO] [stdout] | [INFO] [stdout] 30 | fn change_str_arr(arr: &mut [String; 3]) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `say` [INFO] [stdout] --> src/asyncs.rs:16:4 [INFO] [stdout] | [INFO] [stdout] 16 | fn say() -> impl Future { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `see` [INFO] [stdout] --> src/asyncs.rs:20:10 [INFO] [stdout] | [INFO] [stdout] 20 | async fn see() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `lean` [INFO] [stdout] --> src/asyncs.rs:24:10 [INFO] [stdout] | [INFO] [stdout] 24 | async fn lean() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `exe` [INFO] [stdout] --> src/asyncs.rs:28:10 [INFO] [stdout] | [INFO] [stdout] 28 | async fn exe() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `exam` [INFO] [stdout] --> src/asyncs.rs:33:10 [INFO] [stdout] | [INFO] [stdout] 33 | async fn exam() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `ready` [INFO] [stdout] --> src/asyncs.rs:37:10 [INFO] [stdout] | [INFO] [stdout] 37 | async fn ready() { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `all` [INFO] [stdout] --> src/asyncs.rs:42:10 [INFO] [stdout] | [INFO] [stdout] 42 | async fn all() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/boxes.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | fn new(x: T) -> MyBox { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `print` [INFO] [stdout] --> src/boxes.rs:46:4 [INFO] [stdout] | [INFO] [stdout] 46 | fn print(name: &str) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `structFoo` [INFO] [stdout] --> src/boxes.rs:102:8 [INFO] [stdout] | [INFO] [stdout] 102 | struct structFoo; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `returns_closure0` [INFO] [stdout] --> src/closures.rs:11:4 [INFO] [stdout] | [INFO] [stdout] 11 | fn returns_closure0() -> Box i32> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `returns_closure1` [INFO] [stdout] --> src/closures.rs:15:4 [INFO] [stdout] | [INFO] [stdout] 15 | fn returns_closure1() -> Box i32> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `returns_closure2` [INFO] [stdout] --> src/closures.rs:19:4 [INFO] [stdout] | [INFO] [stdout] 19 | fn returns_closure2() -> Box i32> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `returns_closure3` [INFO] [stdout] --> src/closures.rs:23:4 [INFO] [stdout] | [INFO] [stdout] 23 | fn returns_closure3() -> impl Fn(i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `abs_all` [INFO] [stdout] --> src/cow.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn abs_all(input: &mut Cow<[i32]>) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `main` [INFO] [stdout] --> src/cow.rs:14:4 [INFO] [stdout] | [INFO] [stdout] 14 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `f` [INFO] [stdout] --> src/error.rs:17:4 [INFO] [stdout] | [INFO] [stdout] 17 | fn f(i: i32) -> Result { [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `g` [INFO] [stdout] --> src/error.rs:25:4 [INFO] [stdout] | [INFO] [stdout] 25 | fn g(i: i32) -> Result { [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `main` [INFO] [stdout] --> src/flow_control.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `add_one` [INFO] [stdout] --> src/func.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn add_one(x: i32) -> i32 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `do_twice` [INFO] [stdout] --> src/func.rs:7:4 [INFO] [stdout] | [INFO] [stdout] 7 | fn do_twice(f: fn(i32) -> i32, arg: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `print` [INFO] [stdout] --> src/func.rs:29:4 [INFO] [stdout] | [INFO] [stdout] 29 | fn print(f: &Foo) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `square` [INFO] [stdout] --> src/func.rs:39:4 [INFO] [stdout] | [INFO] [stdout] 39 | fn square>(x: T, y: T) -> T { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `ya_iif` [INFO] [stdout] --> src/func.rs:43:4 [INFO] [stdout] | [INFO] [stdout] 43 | fn ya_iif(flag: bool) -> &'static str { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `iif` [INFO] [stdout] --> src/func.rs:51:4 [INFO] [stdout] | [INFO] [stdout] 51 | fn iif(flag: bool) -> &'static str { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test` [INFO] [stdout] --> src/generator.rs:19:4 [INFO] [stdout] | [INFO] [stdout] 19 | fn test() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Point` [INFO] [stdout] --> src/generic.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct Point { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `x` [INFO] [stdout] --> src/generic.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 9 | fn x(&self) -> &T { [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `distance_from_origin` [INFO] [stdout] --> src/generic.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 15 | fn distance_from_origin(&self) -> f32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `data` [INFO] [stdout] --> src/generic.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | data: i32, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `main` [INFO] [stdout] --> src/generic.rs:34:4 [INFO] [stdout] | [INFO] [stdout] 34 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `A` [INFO] [stdout] --> src/generic.rs:50:8 [INFO] [stdout] | [INFO] [stdout] 50 | struct A; // 具体类型 `A`。 [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `S` [INFO] [stdout] --> src/generic.rs:51:8 [INFO] [stdout] | [INFO] [stdout] 51 | struct S(A); // 具体类型 `S`。 [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `SGen` [INFO] [stdout] --> src/generic.rs:52:8 [INFO] [stdout] | [INFO] [stdout] 52 | struct SGen(T); // 泛型类型 `SGen`。 [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `reg_fn` [INFO] [stdout] --> src/generic.rs:58:4 [INFO] [stdout] | [INFO] [stdout] 58 | fn reg_fn(_s: S) {} [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `gen_spec_t` [INFO] [stdout] --> src/generic.rs:63:4 [INFO] [stdout] | [INFO] [stdout] 63 | fn gen_spec_t(_s: SGen) {} [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `gen_spec_i32` [INFO] [stdout] --> src/generic.rs:68:4 [INFO] [stdout] | [INFO] [stdout] 68 | fn gen_spec_i32(_s: SGen) {} [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `generic` [INFO] [stdout] --> src/generic.rs:72:4 [INFO] [stdout] | [INFO] [stdout] 72 | fn generic(_s: SGen) {} [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `main` [INFO] [stdout] --> src/hashmap.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `main` [INFO] [stdout] --> src/heap.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `main` [INFO] [stdout] --> src/iter.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `print_ref` [INFO] [stdout] --> src/lifetime.rs:6:4 [INFO] [stdout] | [INFO] [stdout] 6 | fn print_ref<'a, T>(t: &'a T) [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `print` [INFO] [stdout] --> src/lifetime.rs:13:4 [INFO] [stdout] | [INFO] [stdout] 13 | fn print(t: T) [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `main` [INFO] [stdout] --> src/lifetime.rs:20:4 [INFO] [stdout] | [INFO] [stdout] 20 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `mutate_and_share` [INFO] [stdout] --> src/lifetime.rs:51:8 [INFO] [stdout] | [INFO] [stdout] 51 | fn mutate_and_share(&mut self) -> &mut Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `share` [INFO] [stdout] --> src/lifetime.rs:54:8 [INFO] [stdout] | [INFO] [stdout] 54 | fn share(&self) -> &Self { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `do_nothing` [INFO] [stdout] --> src/lifetime.rs:67:4 [INFO] [stdout] | [INFO] [stdout] 67 | fn do_nothing<'a, 'b: 'a>(x: &'a u32, y: &'b u32) -> &'a u32 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `area` [INFO] [stdout] --> src/method.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | fn area(self) -> u32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `can_hold` [INFO] [stdout] --> src/method.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | fn can_hold(&self, other: &Rectangle) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `from` [INFO] [stdout] --> src/method.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | fn from(width: u32, height: u32) -> Rectangle { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `main` [INFO] [stdout] --> src/range.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Cons` [INFO] [stdout] --> src/rc.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | Cons(i32, RefCell>), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Nil` [INFO] [stdout] --> src/rc.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | Nil, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `next` [INFO] [stdout] --> src/rc.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 13 | fn next(&self) -> Option<&RefCell>> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `main` [INFO] [stdout] --> src/rc.rs:21:4 [INFO] [stdout] | [INFO] [stdout] 21 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Cons` [INFO] [stdout] --> src/rcrefcell.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | Cons(Rc>, Rc), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Nil` [INFO] [stdout] --> src/rcrefcell.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | Nil, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `main` [INFO] [stdout] --> src/rcrefcell.rs:10:4 [INFO] [stdout] | [INFO] [stdout] 10 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/refcell.rs:25:8 [INFO] [stdout] | [INFO] [stdout] 25 | fn new() -> MyMQ { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `main` [INFO] [stdout] --> src/refcell.rs:32:4 [INFO] [stdout] | [INFO] [stdout] 32 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `main` [INFO] [stdout] --> src/reflect.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `main` [INFO] [stdout] --> src/sendsync.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `main` [INFO] [stdout] --> src/str.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `main` [INFO] [stdout] --> src/string.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `User` [INFO] [stdout] --> src/structs.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct User { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `empty` [INFO] [stdout] --> src/structs.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 10 | struct empty; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `build_user` [INFO] [stdout] --> src/structs.rs:42:4 [INFO] [stdout] | [INFO] [stdout] 42 | fn build_user(email: String, username: String) -> User { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `main` [INFO] [stdout] --> src/traits.rs:20:4 [INFO] [stdout] | [INFO] [stdout] 20 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `fly` [INFO] [stdout] --> src/traits.rs:50:8 [INFO] [stdout] | [INFO] [stdout] 50 | fn fly(&self) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `baby_name` [INFO] [stdout] --> src/traits.rs:70:8 [INFO] [stdout] | [INFO] [stdout] 70 | fn baby_name() -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `fly_static` [INFO] [stdout] --> src/traits.rs:107:4 [INFO] [stdout] | [INFO] [stdout] 107 | fn fly_static(t: &T) -> bool { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `fly_dyn` [INFO] [stdout] --> src/traits.rs:111:4 [INFO] [stdout] | [INFO] [stdout] 111 | fn fly_dyn(t: &dyn Fly) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `to_sing1` [INFO] [stdout] --> src/traits.rs:150:4 [INFO] [stdout] | [INFO] [stdout] 150 | fn to_sing1(s: S) where S: star { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `to_sing2` [INFO] [stdout] --> src/traits.rs:154:4 [INFO] [stdout] | [INFO] [stdout] 154 | fn to_sing2(s: &dyn star) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `to_sing3` [INFO] [stdout] --> src/traits.rs:158:4 [INFO] [stdout] | [INFO] [stdout] 158 | fn to_sing3(s: impl star) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `to_sing4` [INFO] [stdout] --> src/traits.rs:162:4 [INFO] [stdout] | [INFO] [stdout] 162 | fn to_sing4(s: &impl star) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `main` [INFO] [stdout] --> src/tuple.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `print` [INFO] [stdout] --> src/unique.rs:12:4 [INFO] [stdout] | [INFO] [stdout] 12 | fn print(a: *const i32, b: &i32) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `main` [INFO] [stdout] --> src/unsafes.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `VAR` [INFO] [stdout] --> src/var.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | const VAR: u32 = 10; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static is never used: `str` [INFO] [stdout] --> src/var.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | static mut str: &str = "aaa"; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `main` [INFO] [stdout] --> src/var.rs:6:4 [INFO] [stdout] | [INFO] [stdout] 6 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `first_word` [INFO] [stdout] --> src/var.rs:30:4 [INFO] [stdout] | [INFO] [stdout] 30 | fn first_word(s: &String) -> usize { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `first_words` [INFO] [stdout] --> src/var.rs:42:4 [INFO] [stdout] | [INFO] [stdout] 42 | fn first_words(s: &String) -> usize { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `main` [INFO] [stdout] --> src/vector.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `main` [INFO] [stdout] --> src/weakref.rs:12:4 [INFO] [stdout] | [INFO] [stdout] 12 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static variable `str` should have an upper case name [INFO] [stdout] --> src/var.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | static mut str: &str = "aaa"; [INFO] [stdout] | ^^^ help: convert the identifier to upper case: `STR` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 133 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 34.02s [INFO] running `Command { std: "docker" "inspect" "4905c6061b43cdbe3b557c6d5ec5c41a998e06fd79ec9d04c07695cdeeb8273f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4905c6061b43cdbe3b557c6d5ec5c41a998e06fd79ec9d04c07695cdeeb8273f", kill_on_drop: false }` [INFO] [stdout] 4905c6061b43cdbe3b557c6d5ec5c41a998e06fd79ec9d04c07695cdeeb8273f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8c27cedd26ea7f01920307b36c8d87de7fd5ccb45b809b6b1faadce29928ee97 [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" "8c27cedd26ea7f01920307b36c8d87de7fd5ccb45b809b6b1faadce29928ee97", kill_on_drop: false }` [INFO] [stderr] Compiling rust-tour v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `BorrowMut` [INFO] [stdout] --> src/boxes.rs:1:27 [INFO] [stdout] | [INFO] [stdout] 1 | use std::borrow::{Borrow, BorrowMut}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `DerefMut` [INFO] [stdout] --> src/boxes.rs:2:23 [INFO] [stdout] | [INFO] [stdout] 2 | use std::ops::{Deref, DerefMut}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Nil`, `Node` [INFO] [stdout] --> src/boxes.rs:4:26 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::boxes::List::{Nil, Node}; [INFO] [stdout] | ^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `structFoo` should have an upper camel case name [INFO] [stdout] --> src/boxes.rs:102:8 [INFO] [stdout] | [INFO] [stdout] 102 | struct structFoo; [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `StructFoo` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::BorrowMut` [INFO] [stdout] --> src/cell.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::borrow::BorrowMut; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/closures.rs:11:30 [INFO] [stdout] | [INFO] [stdout] 11 | fn returns_closure0() -> Box i32> { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(i32) -> i32` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Debug`, `Display` [INFO] [stdout] --> src/debug_display.rs:3:16 [INFO] [stdout] | [INFO] [stdout] 3 | use std::fmt::{Debug, Display, Formatter}; [INFO] [stdout] | ^^^^^ ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `enum_` should have an upper camel case name [INFO] [stdout] --> src/enums.rs:4:10 [INFO] [stdout] | [INFO] [stdout] 4 | enum enum_ { [INFO] [stdout] | ^^^^^ help: convert the identifier to upper camel case: `Enum` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `a` should have an upper camel case name [INFO] [stdout] --> src/enums.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | a, [INFO] [stdout] | ^ help: convert the identifier to upper camel case: `A` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `b` should have an upper camel case name [INFO] [stdout] --> src/enums.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | b(String), [INFO] [stdout] | ^ help: convert the identifier to upper camel case: `B` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `s` should have an upper camel case name [INFO] [stdout] --> src/enums.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | s { num: u32, name: String }, [INFO] [stdout] | ^ help: convert the identifier to upper camel case (notice the capitalization): `S` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::path::PathBuf` [INFO] [stdout] --> src/error.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::path::PathBuf; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/flow_control.rs:13:10 [INFO] [stdout] | [INFO] [stdout] 13 | 1...3 => println!("1...3"), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `RefCell`, `Ref` [INFO] [stdout] --> src/generic.rs:1:17 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cell::{Ref, RefCell}; [INFO] [stdout] | ^^^ ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Add` [INFO] [stdout] --> src/option.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::ops::Add; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/option.rs:6:17 [INFO] [stdout] | [INFO] [stdout] 6 | let mut i = (a.as_mut().unwrap()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Borrow` [INFO] [stdout] --> src/rc.rs:1:19 [INFO] [stdout] | [INFO] [stdout] 1 | use std::borrow::{Borrow, BorrowMut}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Deref` [INFO] [stdout] --> src/rc.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::ops::Deref; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::any::Any` [INFO] [stdout] --> src/reflect.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::any::Any; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `one` should have an upper camel case name [INFO] [stdout] --> src/reflect.rs:4:11 [INFO] [stdout] | [INFO] [stdout] 4 | trait one: 'static {} [INFO] [stdout] | ^^^ help: convert the identifier to upper camel case (notice the capitalization): `One` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `empty` should have an upper camel case name [INFO] [stdout] --> src/structs.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 10 | struct empty; [INFO] [stdout] | ^^^^^ help: convert the identifier to upper camel case: `Empty` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Instant` [INFO] [stdout] --> src/thread.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::time::Instant; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `star` should have an upper camel case name [INFO] [stdout] --> src/traits.rs:125:7 [INFO] [stdout] | [INFO] [stdout] 125 | trait star { [INFO] [stdout] | ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Star` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `cxk` should have an upper camel case name [INFO] [stdout] --> src/traits.rs:137:8 [INFO] [stdout] | [INFO] [stdout] 137 | struct cxk; [INFO] [stdout] | ^^^ help: convert the identifier to upper camel case (notice the capitalization): `Cxk` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::BorrowMut` [INFO] [stdout] --> src/var.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::borrow::BorrowMut; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> src/file.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::Borrow` [INFO] [stdout] --> src/weakref.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::borrow::Borrow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: irrefutable if-let pattern [INFO] [stdout] --> src/enums.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | / if let x = n { [INFO] [stdout] 27 | | println!("{}", x.unwrap()) [INFO] [stdout] 28 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/array.rs:39:9 [INFO] [stdout] | [INFO] [stdout] 39 | let mut s: &[i32] = &a[1..2]; [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/boxes.rs:85:9 [INFO] [stdout] | [INFO] [stdout] 85 | let mut a: Box = Box::new(1); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cell.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | let mut f = Foo { [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lifetime.rs:30:9 [INFO] [stdout] | [INFO] [stdout] 30 | let mut data = vec![1, 2, 3]; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/option.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | let mut i = (a.as_mut().unwrap()); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/ref_test.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | let mut name = String::from("Vivian"); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/sendsync.rs:2:9 [INFO] [stdout] | [INFO] [stdout] 2 | let mut x = vec!["a"]; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/structs.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | let mut a = "a"; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/var.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | let mut x = 5; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/var.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | let mut x = "a"; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/var.rs:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | let mut a = "a".to_string(); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/vector.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | let mut v = vec![1, 2, 3, 4, 5]; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `is_string2` [INFO] [stdout] --> src/any.rs:7:4 [INFO] [stdout] | [INFO] [stdout] 7 | fn is_string2(s: &dyn Any) -> bool { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `x` [INFO] [stdout] --> src/any.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | x: u8, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `y` [INFO] [stdout] --> src/any.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | y: u8, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `a` [INFO] [stdout] --> src/cell.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | a: i32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `returns_closure0` [INFO] [stdout] --> src/closures.rs:11:4 [INFO] [stdout] | [INFO] [stdout] 11 | fn returns_closure0() -> Box i32> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `returns_closure1` [INFO] [stdout] --> src/closures.rs:15:4 [INFO] [stdout] | [INFO] [stdout] 15 | fn returns_closure1() -> Box i32> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `returns_closure2` [INFO] [stdout] --> src/closures.rs:19:4 [INFO] [stdout] | [INFO] [stdout] 19 | fn returns_closure2() -> Box i32> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `returns_closure3` [INFO] [stdout] --> src/closures.rs:23:4 [INFO] [stdout] | [INFO] [stdout] 23 | fn returns_closure3() -> impl Fn(i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `abs_all` [INFO] [stdout] --> src/cow.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn abs_all(input: &mut Cow<[i32]>) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `main` [INFO] [stdout] --> src/cow.rs:14:4 [INFO] [stdout] | [INFO] [stdout] 14 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `s` [INFO] [stdout] --> src/enums.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | s { num: u32, name: String }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `main` [INFO] [stdout] --> src/flow_control.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test` [INFO] [stdout] --> src/generator.rs:19:4 [INFO] [stdout] | [INFO] [stdout] 19 | fn test() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Point` [INFO] [stdout] --> src/generic.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct Point { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `x` [INFO] [stdout] --> src/generic.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 9 | fn x(&self) -> &T { [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `distance_from_origin` [INFO] [stdout] --> src/generic.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 15 | fn distance_from_origin(&self) -> f32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `data` [INFO] [stdout] --> src/generic.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | data: i32, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `main` [INFO] [stdout] --> src/generic.rs:34:4 [INFO] [stdout] | [INFO] [stdout] 34 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `main` [INFO] [stdout] --> src/hashmap.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `main` [INFO] [stdout] --> src/heap.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `main` [INFO] [stdout] --> src/iter.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `print_ref` [INFO] [stdout] --> src/lifetime.rs:6:4 [INFO] [stdout] | [INFO] [stdout] 6 | fn print_ref<'a, T>(t: &'a T) [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `print` [INFO] [stdout] --> src/lifetime.rs:13:4 [INFO] [stdout] | [INFO] [stdout] 13 | fn print(t: T) [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `main` [INFO] [stdout] --> src/lifetime.rs:20:4 [INFO] [stdout] | [INFO] [stdout] 20 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `can_hold` [INFO] [stdout] --> src/method.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | fn can_hold(&self, other: &Rectangle) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `main` [INFO] [stdout] --> src/range.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Cons` [INFO] [stdout] --> src/rc.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | Cons(i32, RefCell>), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Nil` [INFO] [stdout] --> src/rc.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | Nil, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `next` [INFO] [stdout] --> src/rc.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 13 | fn next(&self) -> Option<&RefCell>> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `main` [INFO] [stdout] --> src/rc.rs:21:4 [INFO] [stdout] | [INFO] [stdout] 21 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Cons` [INFO] [stdout] --> src/rcrefcell.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | Cons(Rc>, Rc), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Nil` [INFO] [stdout] --> src/rcrefcell.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | Nil, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `main` [INFO] [stdout] --> src/rcrefcell.rs:10:4 [INFO] [stdout] | [INFO] [stdout] 10 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/refcell.rs:25:8 [INFO] [stdout] | [INFO] [stdout] 25 | fn new() -> MyMQ { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `main` [INFO] [stdout] --> src/refcell.rs:32:4 [INFO] [stdout] | [INFO] [stdout] 32 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `main` [INFO] [stdout] --> src/reflect.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `main` [INFO] [stdout] --> src/sendsync.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `main` [INFO] [stdout] --> src/str.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `main` [INFO] [stdout] --> src/string.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `sign_in_count` [INFO] [stdout] --> src/structs.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | sign_in_count: u64, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `active` [INFO] [stdout] --> src/structs.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | active: bool, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `main` [INFO] [stdout] --> src/traits.rs:20:4 [INFO] [stdout] | [INFO] [stdout] 20 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `main` [INFO] [stdout] --> src/tuple.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `main` [INFO] [stdout] --> src/unsafes.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `VAR` [INFO] [stdout] --> src/var.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | const VAR: u32 = 10; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static is never used: `str` [INFO] [stdout] --> src/var.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | static mut str: &str = "aaa"; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `main` [INFO] [stdout] --> src/var.rs:6:4 [INFO] [stdout] | [INFO] [stdout] 6 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `first_word` [INFO] [stdout] --> src/var.rs:30:4 [INFO] [stdout] | [INFO] [stdout] 30 | fn first_word(s: &String) -> usize { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `first_words` [INFO] [stdout] --> src/var.rs:42:4 [INFO] [stdout] | [INFO] [stdout] 42 | fn first_words(s: &String) -> usize { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `main` [INFO] [stdout] --> src/vector.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `main` [INFO] [stdout] --> src/weakref.rs:12:4 [INFO] [stdout] | [INFO] [stdout] 12 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: path statement drops value [INFO] [stdout] --> src/drop.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | inspector; [INFO] [stdout] | ^^^^^^^^^^ help: use `drop` to clarify the intent: `drop(inspector);` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(path_statements)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_rwLock` should have a snake case name [INFO] [stdout] --> src/thread.rs:133:4 [INFO] [stdout] | [INFO] [stdout] 133 | fn test_rwLock() { [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to snake case: `test_rw_lock` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/thread.rs:160:5 [INFO] [stdout] | [INFO] [stdout] 160 | t.join(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `Local` should have an upper case name [INFO] [stdout] --> src/thread.rs:166:26 [INFO] [stdout] | [INFO] [stdout] 166 | thread_local!(static Local:RefCell = RefCell::new(1)); [INFO] [stdout] | ^^^^^ help: convert the identifier to upper case: `LOCAL` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/thread.rs:171:5 [INFO] [stdout] | [INFO] [stdout] 171 | / thread::spawn(|| { [INFO] [stdout] 172 | | Local.with(|v| { [INFO] [stdout] 173 | | println!("in sub thread {:?}", v.borrow()); [INFO] [stdout] 174 | | *v.borrow_mut() = 200; [INFO] [stdout] 175 | | }); [INFO] [stdout] 176 | | }) [INFO] [stdout] 177 | | .join(); [INFO] [stdout] | |____________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/thread.rs:195:5 [INFO] [stdout] | [INFO] [stdout] 195 | join.join(); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static variable `str` should have an upper case name [INFO] [stdout] --> src/var.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | static mut str: &str = "aaa"; [INFO] [stdout] | ^^^ help: convert the identifier to upper case: `STR` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 98 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 4.57s [INFO] running `Command { std: "docker" "inspect" "8c27cedd26ea7f01920307b36c8d87de7fd5ccb45b809b6b1faadce29928ee97", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8c27cedd26ea7f01920307b36c8d87de7fd5ccb45b809b6b1faadce29928ee97", kill_on_drop: false }` [INFO] [stdout] 8c27cedd26ea7f01920307b36c8d87de7fd5ccb45b809b6b1faadce29928ee97 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 7981e307de11c934ad4b3d97742883eb2079c69f9c46e13ac86d8e706c39ab20 [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" "7981e307de11c934ad4b3d97742883eb2079c69f9c46e13ac86d8e706c39ab20", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `BorrowMut` [INFO] [stderr] --> src/boxes.rs:1:27 [INFO] [stderr] | [INFO] [stderr] 1 | use std::borrow::{Borrow, BorrowMut}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `DerefMut` [INFO] [stderr] --> src/boxes.rs:2:23 [INFO] [stderr] | [INFO] [stderr] 2 | use std::ops::{Deref, DerefMut}; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Nil`, `Node` [INFO] [stderr] --> src/boxes.rs:4:26 [INFO] [stderr] | [INFO] [stderr] 4 | use crate::boxes::List::{Nil, Node}; [INFO] [stderr] | ^^^ ^^^^ [INFO] [stderr] [INFO] [stderr] warning: type `structFoo` should have an upper camel case name [INFO] [stderr] --> src/boxes.rs:102:8 [INFO] [stderr] | [INFO] [stderr] 102 | struct structFoo; [INFO] [stderr] | ^^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `StructFoo` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::borrow::BorrowMut` [INFO] [stderr] --> src/cell.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::borrow::BorrowMut; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/closures.rs:11:30 [INFO] [stderr] | [INFO] [stderr] 11 | fn returns_closure0() -> Box i32> { [INFO] [stderr] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(i32) -> i32` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Debug`, `Display` [INFO] [stderr] --> src/debug_display.rs:3:16 [INFO] [stderr] | [INFO] [stderr] 3 | use std::fmt::{Debug, Display, Formatter}; [INFO] [stderr] | ^^^^^ ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: type `enum_` should have an upper camel case name [INFO] [stderr] --> src/enums.rs:4:10 [INFO] [stderr] | [INFO] [stderr] 4 | enum enum_ { [INFO] [stderr] | ^^^^^ help: convert the identifier to upper camel case: `Enum` [INFO] [stderr] [INFO] [stderr] warning: variant `a` should have an upper camel case name [INFO] [stderr] --> src/enums.rs:5:9 [INFO] [stderr] | [INFO] [stderr] 5 | a, [INFO] [stderr] | ^ help: convert the identifier to upper camel case: `A` [INFO] [stderr] [INFO] [stderr] warning: variant `b` should have an upper camel case name [INFO] [stderr] --> src/enums.rs:6:9 [INFO] [stderr] | [INFO] [stderr] 6 | b(String), [INFO] [stderr] | ^ help: convert the identifier to upper camel case: `B` [INFO] [stderr] [INFO] [stderr] warning: variant `s` should have an upper camel case name [INFO] [stderr] --> src/enums.rs:7:9 [INFO] [stderr] | [INFO] [stderr] 7 | s { num: u32, name: String }, [INFO] [stderr] | ^ help: convert the identifier to upper camel case (notice the capitalization): `S` [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::path::PathBuf` [INFO] [stderr] --> src/error.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::path::PathBuf; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/flow_control.rs:13:10 [INFO] [stderr] | [INFO] [stderr] 13 | 1...3 => println!("1...3"), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `RefCell`, `Ref` [INFO] [stderr] --> src/generic.rs:1:17 [INFO] [stderr] | [INFO] [stderr] 1 | use std::cell::{Ref, RefCell}; [INFO] [stderr] | ^^^ ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::ops::Add` [INFO] [stderr] --> src/option.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::ops::Add; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/option.rs:6:17 [INFO] [stderr] | [INFO] [stderr] 6 | let mut i = (a.as_mut().unwrap()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Borrow` [INFO] [stderr] --> src/rc.rs:1:19 [INFO] [stderr] | [INFO] [stderr] 1 | use std::borrow::{Borrow, BorrowMut}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::ops::Deref` [INFO] [stderr] --> src/rc.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::ops::Deref; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::any::Any` [INFO] [stderr] --> src/reflect.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::any::Any; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait `one` should have an upper camel case name [INFO] [stderr] --> src/reflect.rs:4:11 [INFO] [stderr] | [INFO] [stderr] 4 | trait one: 'static {} [INFO] [stderr] | ^^^ help: convert the identifier to upper camel case (notice the capitalization): `One` [INFO] [stderr] [INFO] [stderr] warning: type `empty` should have an upper camel case name [INFO] [stderr] --> src/structs.rs:10:8 [INFO] [stderr] | [INFO] [stderr] 10 | struct empty; [INFO] [stderr] | ^^^^^ help: convert the identifier to upper camel case: `Empty` [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::time::Instant` [INFO] [stderr] --> src/thread.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::time::Instant; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait `star` should have an upper camel case name [INFO] [stderr] --> src/traits.rs:125:7 [INFO] [stderr] | [INFO] [stderr] 125 | trait star { [INFO] [stderr] | ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Star` [INFO] [stderr] [INFO] [stderr] warning: type `cxk` should have an upper camel case name [INFO] [stderr] --> src/traits.rs:137:8 [INFO] [stderr] | [INFO] [stderr] 137 | struct cxk; [INFO] [stderr] | ^^^ help: convert the identifier to upper camel case (notice the capitalization): `Cxk` [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::borrow::BorrowMut` [INFO] [stderr] --> src/var.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::borrow::BorrowMut; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs` [INFO] [stderr] --> src/file.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::fs; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::borrow::Borrow` [INFO] [stderr] --> src/weakref.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::borrow::Borrow; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: irrefutable if-let pattern [INFO] [stderr] --> src/enums.rs:26:5 [INFO] [stderr] | [INFO] [stderr] 26 | / if let x = n { [INFO] [stderr] 27 | | println!("{}", x.unwrap()) [INFO] [stderr] 28 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/array.rs:39:9 [INFO] [stderr] | [INFO] [stderr] 39 | let mut s: &[i32] = &a[1..2]; [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/boxes.rs:85:9 [INFO] [stderr] | [INFO] [stderr] 85 | let mut a: Box = Box::new(1); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/cell.rs:12:9 [INFO] [stderr] | [INFO] [stderr] 12 | let mut f = Foo { [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lifetime.rs:30:9 [INFO] [stderr] | [INFO] [stderr] 30 | let mut data = vec![1, 2, 3]; [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/option.rs:6:9 [INFO] [stderr] | [INFO] [stderr] 6 | let mut i = (a.as_mut().unwrap()); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/ref_test.rs:3:9 [INFO] [stderr] | [INFO] [stderr] 3 | let mut name = String::from("Vivian"); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/sendsync.rs:2:9 [INFO] [stderr] | [INFO] [stderr] 2 | let mut x = vec!["a"]; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/structs.rs:15:9 [INFO] [stderr] | [INFO] [stderr] 15 | let mut a = "a"; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/var.rs:9:9 [INFO] [stderr] | [INFO] [stderr] 9 | let mut x = 5; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/var.rs:11:9 [INFO] [stderr] | [INFO] [stderr] 11 | let mut x = "a"; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/var.rs:55:9 [INFO] [stderr] | [INFO] [stderr] 55 | let mut a = "a".to_string(); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/vector.rs:16:9 [INFO] [stderr] | [INFO] [stderr] 16 | let mut v = vec![1, 2, 3, 4, 5]; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `is_string2` [INFO] [stderr] --> src/any.rs:7:4 [INFO] [stderr] | [INFO] [stderr] 7 | fn is_string2(s: &dyn Any) -> bool { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `x` [INFO] [stderr] --> src/any.rs:14:9 [INFO] [stderr] | [INFO] [stderr] 14 | x: u8, [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `y` [INFO] [stderr] --> src/any.rs:15:9 [INFO] [stderr] | [INFO] [stderr] 15 | y: u8, [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `a` [INFO] [stderr] --> src/cell.rs:7:9 [INFO] [stderr] | [INFO] [stderr] 7 | a: i32, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `returns_closure0` [INFO] [stderr] --> src/closures.rs:11:4 [INFO] [stderr] | [INFO] [stderr] 11 | fn returns_closure0() -> Box i32> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `returns_closure1` [INFO] [stderr] --> src/closures.rs:15:4 [INFO] [stderr] | [INFO] [stderr] 15 | fn returns_closure1() -> Box i32> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `returns_closure2` [INFO] [stderr] --> src/closures.rs:19:4 [INFO] [stderr] | [INFO] [stderr] 19 | fn returns_closure2() -> Box i32> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `returns_closure3` [INFO] [stderr] --> src/closures.rs:23:4 [INFO] [stderr] | [INFO] [stderr] 23 | fn returns_closure3() -> impl Fn(i32) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `abs_all` [INFO] [stderr] --> src/cow.rs:3:4 [INFO] [stderr] | [INFO] [stderr] 3 | fn abs_all(input: &mut Cow<[i32]>) { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main` [INFO] [stderr] --> src/cow.rs:14:4 [INFO] [stderr] | [INFO] [stderr] 14 | fn main() { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `s` [INFO] [stderr] --> src/enums.rs:7:9 [INFO] [stderr] | [INFO] [stderr] 7 | s { num: u32, name: String }, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main` [INFO] [stderr] --> src/flow_control.rs:3:4 [INFO] [stderr] | [INFO] [stderr] 3 | fn main() { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test` [INFO] [stderr] --> src/generator.rs:19:4 [INFO] [stderr] | [INFO] [stderr] 19 | fn test() { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Point` [INFO] [stderr] --> src/generic.rs:3:8 [INFO] [stderr] | [INFO] [stderr] 3 | struct Point { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `x` [INFO] [stderr] --> src/generic.rs:9:8 [INFO] [stderr] | [INFO] [stderr] 9 | fn x(&self) -> &T { [INFO] [stderr] | ^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `distance_from_origin` [INFO] [stderr] --> src/generic.rs:15:8 [INFO] [stderr] | [INFO] [stderr] 15 | fn distance_from_origin(&self) -> f32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `data` [INFO] [stderr] --> src/generic.rs:25:5 [INFO] [stderr] | [INFO] [stderr] 25 | data: i32, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main` [INFO] [stderr] --> src/generic.rs:34:4 [INFO] [stderr] | [INFO] [stderr] 34 | fn main() { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main` [INFO] [stderr] --> src/hashmap.rs:1:4 [INFO] [stderr] | [INFO] [stderr] 1 | fn main() { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main` [INFO] [stderr] --> src/heap.rs:3:4 [INFO] [stderr] | [INFO] [stderr] 3 | fn main() { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main` [INFO] [stderr] --> src/iter.rs:1:4 [INFO] [stderr] | [INFO] [stderr] 1 | fn main() { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `print_ref` [INFO] [stderr] --> src/lifetime.rs:6:4 [INFO] [stderr] | [INFO] [stderr] 6 | fn print_ref<'a, T>(t: &'a T) [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `print` [INFO] [stderr] --> src/lifetime.rs:13:4 [INFO] [stderr] | [INFO] [stderr] 13 | fn print(t: T) [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main` [INFO] [stderr] --> src/lifetime.rs:20:4 [INFO] [stderr] | [INFO] [stderr] 20 | fn main() { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `can_hold` [INFO] [stderr] --> src/method.rs:11:8 [INFO] [stderr] | [INFO] [stderr] 11 | fn can_hold(&self, other: &Rectangle) -> bool { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main` [INFO] [stderr] --> src/range.rs:1:4 [INFO] [stderr] | [INFO] [stderr] 1 | fn main() { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Cons` [INFO] [stderr] --> src/rc.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | Cons(i32, RefCell>), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Nil` [INFO] [stderr] --> src/rc.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | Nil, [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `next` [INFO] [stderr] --> src/rc.rs:13:8 [INFO] [stderr] | [INFO] [stderr] 13 | fn next(&self) -> Option<&RefCell>> { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main` [INFO] [stderr] --> src/rc.rs:21:4 [INFO] [stderr] | [INFO] [stderr] 21 | fn main() { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Cons` [INFO] [stderr] --> src/rcrefcell.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | Cons(Rc>, Rc), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Nil` [INFO] [stderr] --> src/rcrefcell.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | Nil, [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main` [INFO] [stderr] --> src/rcrefcell.rs:10:4 [INFO] [stderr] | [INFO] [stderr] 10 | fn main() { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/refcell.rs:25:8 [INFO] [stderr] | [INFO] [stderr] 25 | fn new() -> MyMQ { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main` [INFO] [stderr] --> src/refcell.rs:32:4 [INFO] [stderr] | [INFO] [stderr] 32 | fn main() { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main` [INFO] [stderr] --> src/reflect.rs:3:4 [INFO] [stderr] | [INFO] [stderr] 3 | fn main() { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main` [INFO] [stderr] --> src/sendsync.rs:1:4 [INFO] [stderr] | [INFO] [stderr] 1 | fn main() { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main` [INFO] [stderr] --> src/str.rs:1:4 [INFO] [stderr] | [INFO] [stderr] 1 | fn main() { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main` [INFO] [stderr] --> src/string.rs:3:4 [INFO] [stderr] | [INFO] [stderr] 3 | fn main() { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `sign_in_count` [INFO] [stderr] --> src/structs.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | sign_in_count: u64, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `active` [INFO] [stderr] --> src/structs.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | active: bool, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main` [INFO] [stderr] --> src/traits.rs:20:4 [INFO] [stderr] | [INFO] [stderr] 20 | fn main() { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main` [INFO] [stderr] --> src/tuple.rs:1:4 [INFO] [stderr] | [INFO] [stderr] 1 | fn main() { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main` [INFO] [stderr] --> src/unsafes.rs:3:4 [INFO] [stderr] | [INFO] [stderr] 3 | fn main() { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant is never used: `VAR` [INFO] [stderr] --> src/var.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | const VAR: u32 = 10; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: static is never used: `str` [INFO] [stderr] --> src/var.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | static mut str: &str = "aaa"; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main` [INFO] [stderr] --> src/var.rs:6:4 [INFO] [stderr] | [INFO] [stderr] 6 | fn main() { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `first_word` [INFO] [stderr] --> src/var.rs:30:4 [INFO] [stderr] | [INFO] [stderr] 30 | fn first_word(s: &String) -> usize { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `first_words` [INFO] [stderr] --> src/var.rs:42:4 [INFO] [stderr] | [INFO] [stderr] 42 | fn first_words(s: &String) -> usize { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main` [INFO] [stderr] --> src/vector.rs:1:4 [INFO] [stderr] | [INFO] [stderr] 1 | fn main() { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main` [INFO] [stderr] --> src/weakref.rs:12:4 [INFO] [stderr] | [INFO] [stderr] 12 | fn main() { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: path statement drops value [INFO] [stderr] --> src/drop.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | inspector; [INFO] [stderr] | ^^^^^^^^^^ help: use `drop` to clarify the intent: `drop(inspector);` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(path_statements)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function `test_rwLock` should have a snake case name [INFO] [stderr] --> src/thread.rs:133:4 [INFO] [stderr] | [INFO] [stderr] 133 | fn test_rwLock() { [INFO] [stderr] | ^^^^^^^^^^^ help: convert the identifier to snake case: `test_rw_lock` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/thread.rs:160:5 [INFO] [stderr] | [INFO] [stderr] 160 | t.join(); [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: constant `Local` should have an upper case name [INFO] [stderr] --> src/thread.rs:166:26 [INFO] [stderr] | [INFO] [stderr] 166 | thread_local!(static Local:RefCell = RefCell::new(1)); [INFO] [stderr] | ^^^^^ help: convert the identifier to upper case: `LOCAL` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/thread.rs:171:5 [INFO] [stderr] | [INFO] [stderr] 171 | / thread::spawn(|| { [INFO] [stderr] 172 | | Local.with(|v| { [INFO] [stderr] 173 | | println!("in sub thread {:?}", v.borrow()); [INFO] [stderr] 174 | | *v.borrow_mut() = 200; [INFO] [stderr] 175 | | }); [INFO] [stderr] 176 | | }) [INFO] [stderr] 177 | | .join(); [INFO] [stderr] | |____________^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/thread.rs:195:5 [INFO] [stderr] | [INFO] [stderr] 195 | join.join(); [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: static variable `str` should have an upper case name [INFO] [stderr] --> src/var.rs:4:12 [INFO] [stderr] | [INFO] [stderr] 4 | static mut str: &str = "aaa"; [INFO] [stderr] | ^^^ help: convert the identifier to upper case: `STR` [INFO] [stderr] [INFO] [stderr] warning: 98 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/rust_tour-7c612e7393c15870 [INFO] [stdout] [INFO] [stdout] running 71 tests [INFO] [stdout] test any::test_is ... ok [INFO] [stdout] test any::test_type_id ... ok [INFO] [stdout] test array::new_test ... ok [INFO] [stdout] test boxes::owner_test ... ok [INFO] [stdout] test boxes::test_trait ... ok [INFO] [stdout] test closures::closure_test ... ok [INFO] [stdout] test array::test_fold_vec ... ok [INFO] [stdout] test any::test_cast ... ok [INFO] [stdout] test array::change_test ... ok [INFO] [stdout] test array::test_any ... ok [INFO] [stdout] test boxes::my_box ... ok [INFO] [stdout] test array::test ... ok [INFO] [stdout] test boxes::drop_test ... ok [INFO] [stdout] test cell::cell_test ... ok [INFO] [stdout] test array::test_fold ... ok [INFO] [stdout] test boxes::mut_test ... ok [INFO] [stdout] test debug_display::test ... ok [INFO] [stdout] test dequeue::queue ... ok [INFO] [stdout] test drop::test ... ok [INFO] [stdout] test enums::enums ... ok [INFO] [stdout] test array::test_iter ... ok [INFO] [stdout] test clone::clone_test ... ok [INFO] [stdout] test file::test_join ... ok [INFO] [stdout] test from_into::test_from ... ok [INFO] [stdout] test generator::main ... ok [INFO] [stdout] test generic::test ... ok [INFO] [stdout] test asyncs::main ... ok [INFO] [stdout] test generic::test_gen ... ok [INFO] [stdout] test lifetime::lt_test ... ok [INFO] [stdout] test func::trans_p ... ok [INFO] [stdout] test func::test_fn ... ok [INFO] [stdout] test lifetime::lt_test2 ... ok [INFO] [stdout] test lifetime::test ... ok [INFO] [stdout] test macros::main ... ok [INFO] [stdout] test rc::test_rc ... ok [INFO] [stdout] test ref_test::no_mutable_aliasing ... ok [INFO] [stdout] test refcell::test ... ok [INFO] [stdout] test pin::main ... ok [INFO] [stdout] test error::zero ... ok [INFO] [stdout] test error::match_error ... ok [INFO] [stdout] test func::add_test ... ok [INFO] [stdout] test from_into::test_try ... ok [INFO] [stdout] test func::func_pointer ... ok [INFO] [stdout] test file::test_dir ... ok [INFO] [stdout] test str::reverse_words ... ok [INFO] [stdout] test structs::main ... ok [INFO] [stdout] test option::main ... ok [INFO] [stdout] test thread::test_rwLock ... ok [INFO] [stdout] test method::main ... ok [INFO] [stdout] test traits::func3_test ... ok [INFO] [stdout] test thread::thread_local ... ok [INFO] [stdout] test thread::lock_test ... ok [INFO] [stdout] test traits::func_test ... ok [INFO] [stdout] test thread::mpsc_test ... ok [INFO] [stdout] test unique::test ... ok [INFO] [stdout] test thread::move_test ... ok [INFO] [stdout] test var::test ... ok [INFO] [stdout] test thread::arc_test ... ok [INFO] [stdout] test traits::func_test2 ... ok [INFO] [stdout] test traits::test ... ok [INFO] [stdout] test thread::test_barrier ... ok [INFO] [stdout] test thread::test_build ... ok [INFO] [stdout] test thread::test_new ... ok [INFO] [stdout] test var::test_var ... ok [INFO] [stdout] test thread::test_posion ... ok [INFO] [stdout] test refcell::test_borrow ... FAILED [INFO] [stdout] test thread::test ... ok [INFO] [stdout] test thread::test_sleep ... ok [INFO] [stdout] test thread::new_thread ... ok [INFO] [stdout] test thread::mpsc_test2 ... ok [INFO] [stdout] test asyncs::test_await ... ok [INFO] [stderr] error: test failed, to rerun pass '--bin rust-tour' [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- refcell::test_borrow stdout ---- [INFO] [stdout] thread 'refcell::test_borrow' panicked at 'already mutably borrowed: BorrowError', src/refcell.rs:46:18 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5563cd994a40 - std::backtrace_rs::backtrace::libunwind::trace::h95fc93571932622e [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stdout] 1: 0x5563cd994a40 - std::backtrace_rs::backtrace::trace_unsynchronized::h4d0b90afc33151fd [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x5563cd994a40 - std::sys_common::backtrace::_print_fmt::h93d302d001a3bf01 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x5563cd994a40 - ::fmt::h7881e3a580134f9a [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x5563cd9b94fc - core::fmt::write::h1857a60b204f1b6a [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/fmt/mod.rs:1078:17 [INFO] [stdout] 5: 0x5563cd990742 - std::io::Write::write_fmt::hd17811b9a5dec54b [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/io/mod.rs:1519:15 [INFO] [stdout] 6: 0x5563cd9972c5 - std::sys_common::backtrace::_print::h3e3f9fed81bc11e9 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x5563cd9972c5 - std::sys_common::backtrace::print::hd22ac23fed5071c8 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x5563cd9972c5 - std::panicking::default_hook::{{closure}}::h1647bdcf68060e17 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:208:50 [INFO] [stdout] 9: 0x5563cd996e52 - std::panicking::default_hook::hb08853b392b9404b [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:222:9 [INFO] [stdout] 10: 0x5563cd997a61 - std::panicking::rust_panic_with_hook::h3624ee29da369ede [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:591:17 [INFO] [stdout] 11: 0x5563cd9975a7 - std::panicking::begin_panic_handler::{{closure}}::hefcfcedcde6bb6d9 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:497:13 [INFO] [stdout] 12: 0x5563cd994efc - std::sys_common::backtrace::__rust_end_short_backtrace::heb130cec93caa706 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stdout] 13: 0x5563cd997509 - rust_begin_unwind [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:493:5 [INFO] [stdout] 14: 0x5563cd9b7491 - core::panicking::panic_fmt::hb15d6f55e8472f62 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/panicking.rs:92:14 [INFO] [stdout] 15: 0x5563cd9b72b3 - core::option::expect_none_failed::he492a18657d97593 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/option.rs:1268:5 [INFO] [stdout] 16: 0x5563cd8fa682 - core::result::Result::expect::h28f799d441a4a6e3 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/result.rs:933:23 [INFO] [stdout] 17: 0x5563cd9207d0 - core::cell::RefCell::borrow::h17f00254150c3120 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/cell.rs:792:9 [INFO] [stdout] 18: 0x5563cd911b73 - rust_tour::refcell::test_borrow::hbf0f57832b02e409 [INFO] [stdout] at /opt/rustwide/workdir/src/refcell.rs:46:13 [INFO] [stdout] 19: 0x5563cd911b1a - rust_tour::refcell::test_borrow::{{closure}}::heb45e37a592542c3 [INFO] [stdout] at /opt/rustwide/workdir/src/refcell.rs:43:1 [INFO] [stdout] 20: 0x5563cd8de1ee - core::ops::function::FnOnce::call_once::hac54ebf14f998ec4 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 21: 0x5563cd95b123 - core::ops::function::FnOnce::call_once::h72b3efc134abec04 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 22: 0x5563cd95b123 - test::__rust_begin_short_backtrace::hf76173a3f44f554b [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/test/src/lib.rs:516:5 [INFO] [stdout] 23: 0x5563cd959818 - as core::ops::function::FnOnce>::call_once::h49f5b686efed1e06 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/alloc/src/boxed.rs:1318:9 [INFO] [stdout] 24: 0x5563cd959818 - as core::ops::function::FnOnce<()>>::call_once::h4879f836ca9aaead [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panic.rs:322:9 [INFO] [stdout] 25: 0x5563cd959818 - std::panicking::try::do_call::h9655796ce3021b6c [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:379:40 [INFO] [stdout] 26: 0x5563cd959818 - std::panicking::try::h346508ed448399f4 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:343:19 [INFO] [stdout] 27: 0x5563cd959818 - std::panic::catch_unwind::h00e84f4e9c3caaa0 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panic.rs:396:14 [INFO] [stdout] 28: 0x5563cd959818 - test::run_test_in_process::hc80321f825c30106 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/test/src/lib.rs:538:18 [INFO] [stdout] 29: 0x5563cd959818 - test::run_test::run_test_inner::{{closure}}::h89c217441620999f [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/test/src/lib.rs:449:39 [INFO] [stdout] 30: 0x5563cd933e06 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3852ec0877008db6 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stdout] 31: 0x5563cd9385cd - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h7c7dfff4b938ae67 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/thread/mod.rs:474:17 [INFO] [stdout] 32: 0x5563cd9385cd - as core::ops::function::FnOnce<()>>::call_once::h8db0dd15c072a403 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panic.rs:322:9 [INFO] [stdout] 33: 0x5563cd9385cd - std::panicking::try::do_call::haad8639857ae1187 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:379:40 [INFO] [stdout] 34: 0x5563cd9385cd - std::panicking::try::h61de115e9dce60f6 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:343:19 [INFO] [stdout] 35: 0x5563cd9385cd - std::panic::catch_unwind::h50601fd82666a838 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panic.rs:396:14 [INFO] [stdout] 36: 0x5563cd9385cd - std::thread::Builder::spawn_unchecked::{{closure}}::hac267391ef9d21bd [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/thread/mod.rs:473:30 [INFO] [stdout] 37: 0x5563cd9385cd - core::ops::function::FnOnce::call_once{{vtable.shim}}::heb15d2d9c42706b7 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 38: 0x5563cd99d4da - as core::ops::function::FnOnce>::call_once::h5446ed3fdb82006e [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/alloc/src/boxed.rs:1318:9 [INFO] [stdout] 39: 0x5563cd99d4da - as core::ops::function::FnOnce>::call_once::h62a21a889329a3f2 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/alloc/src/boxed.rs:1318:9 [INFO] [stdout] 40: 0x5563cd99d4da - std::sys::unix::thread::Thread::new::thread_start::h62402416daf174b6 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys/unix/thread.rs:71:17 [INFO] [stdout] 41: 0x7f59f1089609 - start_thread [INFO] [stdout] 42: 0x7f59f0e5b293 - clone [INFO] [stdout] 43: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] refcell::test_borrow [INFO] [stdout] [INFO] [stdout] test result: FAILED. 70 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "7981e307de11c934ad4b3d97742883eb2079c69f9c46e13ac86d8e706c39ab20", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7981e307de11c934ad4b3d97742883eb2079c69f9c46e13ac86d8e706c39ab20", kill_on_drop: false }` [INFO] [stdout] 7981e307de11c934ad4b3d97742883eb2079c69f9c46e13ac86d8e706c39ab20