[INFO] cloning repository https://github.com/dandelion-blanc/practice15_asynchronous [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dandelion-blanc/practice15_asynchronous" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandelion-blanc%2Fpractice15_asynchronous", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandelion-blanc%2Fpractice15_asynchronous'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e770e3b496e208856dd9605fa3bc88aff9f66bd0 [INFO] testing dandelion-blanc/practice15_asynchronous/e770e3b496e208856dd9605fa3bc88aff9f66bd0 against 1.82.0 for beta-1.83-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandelion-blanc%2Fpractice15_asynchronous" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dandelion-blanc/practice15_asynchronous on toolchain 1.82.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.82.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/dandelion-blanc/practice15_asynchronous [INFO] finished tweaking git repo https://github.com/dandelion-blanc/practice15_asynchronous [INFO] tweaked toml for git repo https://github.com/dandelion-blanc/practice15_asynchronous written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/dandelion-blanc/practice15_asynchronous 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" "+1.82.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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_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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+1.82.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 392b5f9d8b327a857e258e44b2f08d37390a8078d5412de910c30d9ab32709c1 [INFO] running `Command { std: "docker" "start" "-a" "392b5f9d8b327a857e258e44b2f08d37390a8078d5412de910c30d9ab32709c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "392b5f9d8b327a857e258e44b2f08d37390a8078d5412de910c30d9ab32709c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "392b5f9d8b327a857e258e44b2f08d37390a8078d5412de910c30d9ab32709c1", kill_on_drop: false }` [INFO] [stdout] 392b5f9d8b327a857e258e44b2f08d37390a8078d5412de910c30d9ab32709c1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+1.82.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 66d109ee3a509e8b89b2a936c4234cadfc0fd2db4d3b0cb91d4619019176f9bf [INFO] running `Command { std: "docker" "start" "-a" "66d109ee3a509e8b89b2a936c4234cadfc0fd2db4d3b0cb91d4619019176f9bf", kill_on_drop: false }` [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.94 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling instant v0.1.9 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Compiling smallvec v1.6.1 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling lock_api v0.4.4 [INFO] [stderr] Compiling futures-core v0.3.15 [INFO] [stderr] Compiling pin-project-lite v0.2.6 [INFO] [stderr] Compiling crossbeam-utils v0.8.4 [INFO] [stderr] Compiling memoffset v0.6.3 [INFO] [stderr] Compiling tokio v1.5.0 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling bytes v1.0.1 [INFO] [stderr] Compiling once_cell v1.7.2 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling parking_lot_core v0.8.3 [INFO] [stderr] Compiling mio v0.7.11 [INFO] [stderr] Compiling signal-hook-registry v1.3.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.4 [INFO] [stderr] Compiling crossbeam-channel v0.5.1 [INFO] [stderr] Compiling parking_lot v0.11.1 [INFO] [stderr] Compiling rand_core v0.6.2 [INFO] [stderr] Compiling crossbeam-deque v0.8.0 [INFO] [stderr] Compiling rand_chacha v0.3.0 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling rand v0.8.3 [INFO] [stderr] Compiling tokio-macros v1.1.0 [INFO] [stderr] Compiling async-recursion v0.3.2 [INFO] [stderr] Compiling tokio-stream v0.1.6 [INFO] [stderr] Compiling practice15_asynchronous v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.20s [INFO] running `Command { std: "docker" "inspect" "66d109ee3a509e8b89b2a936c4234cadfc0fd2db4d3b0cb91d4619019176f9bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "66d109ee3a509e8b89b2a936c4234cadfc0fd2db4d3b0cb91d4619019176f9bf", kill_on_drop: false }` [INFO] [stdout] 66d109ee3a509e8b89b2a936c4234cadfc0fd2db4d3b0cb91d4619019176f9bf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+1.82.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2ae6c697a488f970eed144545e39ab255b2e60f9233b93382048fb0fdab1e659 [INFO] running `Command { std: "docker" "start" "-a" "2ae6c697a488f970eed144545e39ab255b2e60f9233b93382048fb0fdab1e659", kill_on_drop: false }` [INFO] [stderr] Compiling practice15_asynchronous v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `thread::sleep` [INFO] [stdout] --> examples/rayon_iter.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use thread::sleep; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> examples/rayon_iter.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `thread::sleep` [INFO] [stdout] --> examples/rayon_tokio.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use thread::sleep; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> examples/rayon_tokio.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::runtime` [INFO] [stdout] --> examples/short_asynchronous.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use tokio::runtime; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `sphere` is never used [INFO] [stdout] --> examples/small_multi_task.rs:7:10 [INFO] [stdout] | [INFO] [stdout] 7 | async fn sphere(x :&[f64]) -> f64 [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `oneshot` [INFO] [stdout] --> examples/tokio_channel.rs:4:25 [INFO] [stdout] | [INFO] [stdout] 4 | use tokio::sync::{mpsc, oneshot}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Mutex` [INFO] [stdout] --> examples/tokio_channel.rs:6:22 [INFO] [stdout] | [INFO] [stdout] 6 | use std::sync::{Arc, Mutex}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `spawn_once` is never used [INFO] [stdout] --> examples/short_rayon.rs:9:4 [INFO] [stdout] | [INFO] [stdout] 9 | fn spawn_once() [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `spawn_parallel` is never used [INFO] [stdout] --> examples/short_rayon.rs:22:4 [INFO] [stdout] | [INFO] [stdout] 22 | fn spawn_parallel() [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `par_iter` is never used [INFO] [stdout] --> examples/short_rayon.rs:44:4 [INFO] [stdout] | [INFO] [stdout] 44 | fn par_iter() [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sig_arc` [INFO] [stdout] --> examples/tokio_channel.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | let sig_arc = Arc::new(&sig); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sig_arc` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `some_palallel_once` is never used [INFO] [stdout] --> examples/short_asynchronous.rs:10:10 [INFO] [stdout] | [INFO] [stdout] 10 | async fn some_palallel_once() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `some_palallel` is never used [INFO] [stdout] --> examples/short_asynchronous.rs:30:10 [INFO] [stdout] | [INFO] [stdout] 30 | async fn some_palallel() [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> examples/tokio_channel.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let mut sig = false; [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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.02s [INFO] running `Command { std: "docker" "inspect" "2ae6c697a488f970eed144545e39ab255b2e60f9233b93382048fb0fdab1e659", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2ae6c697a488f970eed144545e39ab255b2e60f9233b93382048fb0fdab1e659", kill_on_drop: false }` [INFO] [stdout] 2ae6c697a488f970eed144545e39ab255b2e60f9233b93382048fb0fdab1e659 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+1.82.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 8184dfe1f9e327494601a8b071c67af88d7660c984e667a8e42d4cb41e907dff [INFO] running `Command { std: "docker" "start" "-a" "8184dfe1f9e327494601a8b071c67af88d7660c984e667a8e42d4cb41e907dff", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `thread::sleep` [INFO] [stderr] --> examples/rayon_iter.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use thread::sleep; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::time::Duration` [INFO] [stderr] --> examples/rayon_iter.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use std::time::Duration; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `thread::sleep` [INFO] [stderr] --> examples/rayon_tokio.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use thread::sleep; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::time::Duration` [INFO] [stderr] --> examples/rayon_tokio.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use std::time::Duration; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `oneshot` [INFO] [stderr] --> examples/tokio_channel.rs:4:25 [INFO] [stderr] | [INFO] [stderr] 4 | use tokio::sync::{mpsc, oneshot}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Mutex` [INFO] [stderr] --> examples/tokio_channel.rs:6:22 [INFO] [stderr] | [INFO] [stderr] 6 | use std::sync::{Arc, Mutex}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `sig_arc` [INFO] [stderr] --> examples/tokio_channel.rs:15:9 [INFO] [stderr] | [INFO] [stderr] 15 | let sig_arc = Arc::new(&sig); [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sig_arc` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> examples/tokio_channel.rs:14:9 [INFO] [stderr] | [INFO] [stderr] 14 | let mut sig = false; [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: function `sphere` is never used [INFO] [stderr] --> examples/small_multi_task.rs:7:10 [INFO] [stderr] | [INFO] [stderr] 7 | async fn sphere(x :&[f64]) -> f64 [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function `spawn_once` is never used [INFO] [stderr] --> examples/short_rayon.rs:9:4 [INFO] [stderr] | [INFO] [stderr] 9 | fn spawn_once() [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function `spawn_parallel` is never used [INFO] [stderr] --> examples/short_rayon.rs:22:4 [INFO] [stderr] | [INFO] [stderr] 22 | fn spawn_parallel() [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `par_iter` is never used [INFO] [stderr] --> examples/short_rayon.rs:44:4 [INFO] [stderr] | [INFO] [stderr] 44 | fn par_iter() [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `practice15_asynchronous` (example "rayon_iter") generated 2 warnings (run `cargo fix --example "rayon_iter"` to apply 2 suggestions) [INFO] [stderr] warning: `practice15_asynchronous` (example "rayon_tokio") generated 2 warnings (run `cargo fix --example "rayon_tokio"` to apply 2 suggestions) [INFO] [stderr] warning: `practice15_asynchronous` (example "tokio_channel") generated 4 warnings (run `cargo fix --example "tokio_channel"` to apply 3 suggestions) [INFO] [stderr] warning: `practice15_asynchronous` (example "small_multi_task") generated 1 warning [INFO] [stderr] warning: `practice15_asynchronous` (example "short_rayon") generated 3 warnings [INFO] [stderr] warning: unused import: `tokio::runtime` [INFO] [stderr] --> examples/short_asynchronous.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use tokio::runtime; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function `some_palallel_once` is never used [INFO] [stderr] --> examples/short_asynchronous.rs:10:10 [INFO] [stderr] | [INFO] [stderr] 10 | async fn some_palallel_once() [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function `some_palallel` is never used [INFO] [stderr] --> examples/short_asynchronous.rs:30:10 [INFO] [stderr] | [INFO] [stderr] 30 | async fn some_palallel() [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `practice15_asynchronous` (example "short_asynchronous") generated 3 warnings (run `cargo fix --example "short_asynchronous"` to apply 1 suggestion) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/practice15_asynchronous-b4a47b8c3f0d0dd6) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "8184dfe1f9e327494601a8b071c67af88d7660c984e667a8e42d4cb41e907dff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8184dfe1f9e327494601a8b071c67af88d7660c984e667a8e42d4cb41e907dff", kill_on_drop: false }` [INFO] [stdout] 8184dfe1f9e327494601a8b071c67af88d7660c984e667a8e42d4cb41e907dff