[INFO] cloning repository https://github.com/chinaxxren/learning [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chinaxxren/learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchinaxxren%2Flearning", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchinaxxren%2Flearning'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4d038113de5992f0338a1f95318a9787522def3c [INFO] checking chinaxxren/learning against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchinaxxren%2Flearning" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/chinaxxren/learning [INFO] finished tweaking git repo https://github.com/chinaxxren/learning [INFO] tweaked toml for git repo https://github.com/chinaxxren/learning written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/chinaxxren/learning on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/chinaxxren/learning already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... 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"ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b0e73953d5d3215378157c5490c2b76a585d972f47df1b600c0c0cacd326d3bb [INFO] running `Command { std: "docker" "start" "-a" "b0e73953d5d3215378157c5490c2b76a585d972f47df1b600c0c0cacd326d3bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b0e73953d5d3215378157c5490c2b76a585d972f47df1b600c0c0cacd326d3bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b0e73953d5d3215378157c5490c2b76a585d972f47df1b600c0c0cacd326d3bb", kill_on_drop: false }` [INFO] [stdout] b0e73953d5d3215378157c5490c2b76a585d972f47df1b600c0c0cacd326d3bb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4648e638b027bec7d701ba98363bde0fd7efe3f71ac0f4b8d8d30a3c9c1078c8 [INFO] running `Command { std: "docker" "start" "-a" "4648e638b027bec7d701ba98363bde0fd7efe3f71ac0f4b8d8d30a3c9c1078c8", kill_on_drop: false }` [INFO] [stderr] Checking pin-project-lite v0.2.15 [INFO] [stderr] Compiling crossbeam-utils v0.8.20 [INFO] [stderr] Compiling autocfg v1.4.0 [INFO] [stderr] Compiling proc-macro2 v1.0.89 [INFO] [stderr] Compiling unicode-ident v1.0.13 [INFO] [stderr] Compiling libc v0.2.161 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking bytes v1.8.0 [INFO] [stderr] Checking rust_lib v0.1.0 (/opt/rustwide/workdir/rust-lib) [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Checking either v1.13.0 [INFO] [stderr] Checking futures-core v0.3.31 [INFO] [stderr] Checking futures-io v0.3.31 [INFO] [stderr] Checking parking v2.2.1 [INFO] [stderr] Checking fastrand v2.1.1 [INFO] [stderr] Compiling rustix v0.38.39 [INFO] [stderr] Checking bitflags v2.6.0 [INFO] [stderr] Checking futures-sink v0.3.31 [INFO] [stderr] Checking linux-raw-sys v0.4.14 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking futures-channel v0.3.31 [INFO] [stderr] Checking async-task v4.7.1 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking futures-task v0.3.31 [INFO] [stderr] Checking atomic-waker v1.1.2 [INFO] [stderr] Checking value-bag v1.10.0 [INFO] [stderr] Checking futures-lite v2.4.0 [INFO] [stderr] Checking piper v0.2.4 [INFO] [stderr] Checking once_cell v1.20.2 [INFO] [stderr] Checking event-listener v2.5.3 [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Checking log v0.4.22 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking rust-thread v0.1.0 (/opt/rustwide/workdir/rust-thread) [INFO] [stdout] warning: field `id` is never read [INFO] [stdout] --> rust-thread/src/main.rs:58:5 [INFO] [stdout] | [INFO] [stdout] 57 | struct Worker { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 58 | id: usize, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking rust-channel v0.1.0 (/opt/rustwide/workdir/rust-channel) [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stdout] warning: method `try_recv` is never used [INFO] [stdout] --> rust-channel/src/main.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 13 | impl Receiver { [INFO] [stdout] | ------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 24 | fn try_recv(&self) -> Option { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `id` is never read [INFO] [stdout] --> rust-thread/src/main.rs:58:5 [INFO] [stdout] | [INFO] [stdout] 57 | struct Worker { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 58 | id: usize, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `try_recv` is never used [INFO] [stdout] --> rust-channel/src/main.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 13 | impl Receiver { [INFO] [stdout] | ------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 24 | fn try_recv(&self) -> Option { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling syn v2.0.87 [INFO] [stderr] Checking kv-log-macro v1.0.7 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking concurrent-queue v2.5.0 [INFO] [stderr] Checking signal-hook-registry v1.4.2 [INFO] [stderr] Checking socket2 v0.5.7 [INFO] [stderr] Checking mio v1.0.2 [INFO] [stderr] Checking event-listener v5.3.1 [INFO] [stderr] Checking async-channel v1.9.0 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking event-listener-strategy v0.5.2 [INFO] [stderr] Checking parking_lot v0.12.3 [INFO] [stderr] Checking async-executor v1.13.1 [INFO] [stderr] Checking async-channel v2.3.1 [INFO] [stderr] Checking async-lock v3.4.0 [INFO] [stderr] Checking blocking v1.6.1 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Compiling async-attributes v1.1.2 [INFO] [stderr] Compiling tokio-macros v2.4.0 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Checking tokio v1.41.0 [INFO] [stderr] Checking polling v3.7.3 [INFO] [stderr] Checking async-io v2.3.4 [INFO] [stderr] Checking async-global-executor v2.4.1 [INFO] [stderr] Checking async-std v1.13.0 [INFO] [stderr] Checking futures-executor v0.3.31 [INFO] [stderr] Checking futures v0.3.31 [INFO] [stderr] Checking tokio-util v0.7.12 [INFO] [stderr] Checking rust_demo v0.1.0 (/opt/rustwide/workdir/rust-demo) [INFO] [stdout] warning: field `data` is never read [INFO] [stdout] --> rust-demo/mem/4_forget.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 4 | struct NeedCleanup { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 5 | data: Vec, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Final` is never constructed [INFO] [stdout] --> rust-demo/mem/9_state.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 3 | enum State { [INFO] [stdout] | ----- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 6 | Final, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `data` is never read [INFO] [stdout] --> rust-demo/mem/9_state.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 10 | struct StateMachine { [INFO] [stdout] | ------------ field in this struct [INFO] [stdout] 11 | state: State, [INFO] [stdout] 12 | data: Vec, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::mem` [INFO] [stdout] --> rust-demo/mem/11_unlock.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::mem; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ptr` [INFO] [stdout] --> rust-demo/mem/11_unlock.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::ptr; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread::JoinHandle` [INFO] [stdout] --> rust-demo/mem/11_unlock.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::thread::JoinHandle; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> rust-demo/mem/5_transmute.rs:9:30 [INFO] [stdout] | [INFO] [stdout] 9 | let bytes: [u8; 4] = mem::transmute(num); [INFO] [stdout] | --------------^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `i32::to_ne_bytes` [INFO] [stdout] | [INFO] [stdout] = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order [INFO] [stdout] = note: `#[warn(unnecessary_transmutes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> rust-demo/mem/5_transmute.rs:9:30 [INFO] [stdout] | [INFO] [stdout] 9 | let bytes: [u8; 4] = mem::transmute(num); [INFO] [stdout] | --------------^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `i32::to_ne_bytes` [INFO] [stdout] | [INFO] [stdout] = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order [INFO] [stdout] = note: `#[warn(unnecessary_transmutes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> rust-demo/mem/3_take_replace.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | let mut next = node.take_next(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `value` is never read [INFO] [stdout] --> rust-demo/mem/11_unlock.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 15 | struct Node { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] ... [INFO] [stdout] 19 | value: T, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Final` is never constructed [INFO] [stdout] --> rust-demo/mem/9_state.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 3 | enum State { [INFO] [stdout] | ----- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 6 | Final, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `data` is never read [INFO] [stdout] --> rust-demo/mem/9_state.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 10 | struct StateMachine { [INFO] [stdout] | ------------ field in this struct [INFO] [stdout] 11 | state: State, [INFO] [stdout] 12 | data: Vec, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> rust-demo/mem/3_take_replace.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | let mut next = node.take_next(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `data` is never read [INFO] [stdout] --> rust-demo/mem/4_forget.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 4 | struct NeedCleanup { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 5 | data: Vec, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::mem` [INFO] [stdout] --> rust-demo/mem/11_unlock.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::mem; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ptr` [INFO] [stdout] --> rust-demo/mem/11_unlock.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::ptr; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread::JoinHandle` [INFO] [stdout] --> rust-demo/mem/11_unlock.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::thread::JoinHandle; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `value` is never read [INFO] [stdout] --> rust-demo/mem/11_unlock.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 15 | struct Node { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] ... [INFO] [stdout] 19 | value: T, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking rust_async v0.1.0 (/opt/rustwide/workdir/rust-async) [INFO] [stdout] warning: unused imports: `Duration` and `sleep` [INFO] [stdout] --> rust-async/src/demo/2_await.rs:2:19 [INFO] [stdout] | [INFO] [stdout] 2 | use tokio::time::{sleep, Duration}; [INFO] [stdout] | ^^^^^ ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Duration` and `sleep` [INFO] [stdout] --> rust-async/src/demo/2_await.rs:2:19 [INFO] [stdout] | [INFO] [stdout] 2 | use tokio::time::{sleep, Duration}; [INFO] [stdout] | ^^^^^ ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tx1` [INFO] [stdout] --> rust-async/src/example/my_select.rs:31:10 [INFO] [stdout] | [INFO] [stdout] 31 | let (tx1, rx1) = oneshot::channel(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_tx1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tx2` [INFO] [stdout] --> rust-async/src/example/my_select.rs:32:10 [INFO] [stdout] | [INFO] [stdout] 32 | let (tx2, rx2) = oneshot::channel(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_tx2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `main` is never used [INFO] [stdout] --> rust-async/src/example/delay.rs:35:10 [INFO] [stdout] | [INFO] [stdout] 35 | async fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::panic` [INFO] [stdout] --> rust-async/src/other/selectables.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use core::panic; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `new_executor_and_spawner` [INFO] [stdout] --> rust-async/src/other/main.rs:19:23 [INFO] [stdout] | [INFO] [stdout] 19 | use crate::executor::{new_executor_and_spawner}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `pin_utils::pin_mut` [INFO] [stdout] --> rust-async/src/other/main.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | use pin_utils::pin_mut; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `a` and `b` are never used [INFO] [stdout] --> rust-async/src/demo/9_test_pin.rs:27:8 [INFO] [stdout] | [INFO] [stdout] 12 | impl Test { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 27 | fn a(self: Pin<&Self>) -> &str { [INFO] [stdout] | ^ [INFO] [stdout] ... [INFO] [stdout] 31 | fn b(self: Pin<&Self>) -> &String { [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `a` and `b` are never used [INFO] [stdout] --> rust-async/src/demo/9_test_pin.rs:27:8 [INFO] [stdout] | [INFO] [stdout] 12 | impl Test { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 27 | fn a(self: Pin<&Self>) -> &str { [INFO] [stdout] | ^ [INFO] [stdout] ... [INFO] [stdout] 31 | fn b(self: Pin<&Self>) -> &String { [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> rust-async/src/other/concurrent_iter.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 32 | mut stream: Pin<&mut dyn Stream>>, [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::panic` [INFO] [stdout] --> rust-async/src/other/selectables.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use core::panic; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `new_executor_and_spawner` [INFO] [stdout] --> rust-async/src/other/main.rs:19:23 [INFO] [stdout] | [INFO] [stdout] 19 | use crate::executor::{new_executor_and_spawner}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `pin_utils::pin_mut` [INFO] [stdout] --> rust-async/src/other/main.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | use pin_utils::pin_mut; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> rust-async/src/other/concurrent_iter.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 32 | mut stream: Pin<&mut dyn Stream>>, [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `FutureExt` [INFO] [stdout] --> rust-async/src/other/main.rs:26:49 [INFO] [stdout] | [INFO] [stdout] 26 | use futures::{channel::mpsc, stream::StreamExt, FutureExt}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `FutureExt` [INFO] [stdout] --> rust-async/src/other/main.rs:26:49 [INFO] [stdout] | [INFO] [stdout] 26 | use futures::{channel::mpsc, stream::StreamExt, FutureExt}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.84s [INFO] running `Command { std: "docker" "inspect" "4648e638b027bec7d701ba98363bde0fd7efe3f71ac0f4b8d8d30a3c9c1078c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4648e638b027bec7d701ba98363bde0fd7efe3f71ac0f4b8d8d30a3c9c1078c8", kill_on_drop: false }` [INFO] [stdout] 4648e638b027bec7d701ba98363bde0fd7efe3f71ac0f4b8d8d30a3c9c1078c8