[INFO] cloning repository https://github.com/modulitos/async_book [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/modulitos/async_book" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmodulitos%2Fasync_book", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmodulitos%2Fasync_book'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a9f98e52ed4f718fe4814f7a36bcb8741da5328e [INFO] testing modulitos/async_book against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmodulitos%2Fasync_book" "/workspace/builds/worker-38/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-38/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/modulitos/async_book on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/modulitos/async_book [INFO] finished tweaking git repo https://github.com/modulitos/async_book [INFO] tweaked toml for git repo https://github.com/modulitos/async_book written to /workspace/builds/worker-38/source/Cargo.toml [INFO] crate git repo https://github.com/modulitos/async_book already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0e784b8b3b1640b9f40f6f6be4b6c9ea935652467024dedb4a6f3642439b73e6 [INFO] running `Command { std: "docker" "start" "-a" "0e784b8b3b1640b9f40f6f6be4b6c9ea935652467024dedb4a6f3642439b73e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0e784b8b3b1640b9f40f6f6be4b6c9ea935652467024dedb4a6f3642439b73e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0e784b8b3b1640b9f40f6f6be4b6c9ea935652467024dedb4a6f3642439b73e6", kill_on_drop: false }` [INFO] [stdout] 0e784b8b3b1640b9f40f6f6be4b6c9ea935652467024dedb4a6f3642439b73e6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e71f8288bbbce36dbf38d827d7789c9f7fa423c3dd737a252b685d60b6ec384a [INFO] running `Command { std: "docker" "start" "-a" "e71f8288bbbce36dbf38d827d7789c9f7fa423c3dd737a252b685d60b6ec384a", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling syn v1.0.39 [INFO] [stderr] Compiling pin-project-internal v0.4.23 [INFO] [stderr] Compiling libc v0.2.76 [INFO] [stderr] Compiling proc-macro-hack v0.5.18 [INFO] [stderr] Compiling futures-sink v0.3.5 [INFO] [stderr] Compiling futures-core v0.3.5 [INFO] [stderr] Compiling once_cell v1.4.1 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling bytes v0.5.6 [INFO] [stderr] Compiling proc-macro-nested v0.1.6 [INFO] [stderr] Compiling futures-channel v0.3.5 [INFO] [stderr] Compiling futures-task v0.3.5 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling futures-macro v0.3.5 [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Compiling tokio v0.2.22 [INFO] [stderr] Compiling pin-project v0.4.23 [INFO] [stderr] Compiling futures-util v0.3.5 [INFO] [stderr] Compiling futures-executor v0.3.5 [INFO] [stderr] Compiling futures v0.3.5 [INFO] [stderr] Compiling async_book v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: type does not implement `Debug`; consider adding `#[derive(Debug)]` or a manual implementation [INFO] [stdout] --> src/executor.rs:17:1 [INFO] [stdout] | [INFO] [stdout] 17 | / pub struct Executor { [INFO] [stdout] 18 | | ready_queue: Receiver>, [INFO] [stdout] 19 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | missing_debug_implementations, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type does not implement `Debug`; consider adding `#[derive(Debug)]` or a manual implementation [INFO] [stdout] --> src/executor.rs:22:1 [INFO] [stdout] | [INFO] [stdout] 22 | / pub struct Spawner { [INFO] [stdout] 23 | | task_sender: SyncSender>, [INFO] [stdout] 24 | | } [INFO] [stdout] | |_^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `a` [INFO] [stdout] --> src/bin/ch_4_pinning.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | a: String, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `b` [INFO] [stdout] --> src/bin/ch_4_pinning.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | b: *const String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/bin/ch_4_pinning.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | fn new(txt: &str) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `init` [INFO] [stdout] --> src/bin/ch_4_pinning.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 18 | fn init(&mut self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `a` [INFO] [stdout] --> src/bin/ch_4_pinning.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 23 | fn a(&self) -> &str { [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `b` [INFO] [stdout] --> src/bin/ch_4_pinning.rs:27:8 [INFO] [stdout] | [INFO] [stdout] 27 | fn b(&self) -> &String { [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `a` [INFO] [stdout] --> src/bin/ch_4_pinning.rs:57:5 [INFO] [stdout] | [INFO] [stdout] 57 | a: String, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `b` [INFO] [stdout] --> src/bin/ch_4_pinning.rs:58:5 [INFO] [stdout] | [INFO] [stdout] 58 | b: *const String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/bin/ch_4_pinning.rs:63:8 [INFO] [stdout] | [INFO] [stdout] 63 | fn new(txt: &str) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `init` [INFO] [stdout] --> src/bin/ch_4_pinning.rs:70:8 [INFO] [stdout] | [INFO] [stdout] 70 | fn init(self: Pin<&mut Self>) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `a` [INFO] [stdout] --> src/bin/ch_4_pinning.rs:76:8 [INFO] [stdout] | [INFO] [stdout] 76 | fn a(self: Pin<&'_ Self>) -> &'_ str { [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `b` [INFO] [stdout] --> src/bin/ch_4_pinning.rs:80:8 [INFO] [stdout] | [INFO] [stdout] 80 | fn b(self: Pin<&'_ Self>) -> &'_ String { [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `a` [INFO] [stdout] --> src/bin/ch_4_pinning.rs:119:5 [INFO] [stdout] | [INFO] [stdout] 119 | a: String, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `b` [INFO] [stdout] --> src/bin/ch_4_pinning.rs:120:5 [INFO] [stdout] | [INFO] [stdout] 120 | b: *const String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `c` [INFO] [stdout] --> src/bin/ch_4_pinning.rs:121:5 [INFO] [stdout] | [INFO] [stdout] 121 | c: PhantomPinned [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/bin/ch_4_pinning.rs:125:8 [INFO] [stdout] | [INFO] [stdout] 125 | fn new(txt: &str) -> Pin> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `a` [INFO] [stdout] --> src/bin/ch_4_pinning.rs:143:8 [INFO] [stdout] | [INFO] [stdout] 143 | fn a(&self) -> &str { [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `b` [INFO] [stdout] --> src/bin/ch_4_pinning.rs:147:8 [INFO] [stdout] | [INFO] [stdout] 147 | fn b(&self) -> &String { [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `future` is never read [INFO] [stdout] --> src/bin/ch_3_async_blocks.rs:60:17 [INFO] [stdout] | [INFO] [stdout] 60 | let mut future = None; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `foo_expanded` [INFO] [stdout] --> src/bin/ch_3_async_blocks.rs:10:4 [INFO] [stdout] | [INFO] [stdout] 10 | fn foo_expanded<'a>(x: &'a u8) -> impl Future + 'a { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ThreadPool` [INFO] [stdout] --> src/bin/ch_6_select.rs:2:26 [INFO] [stdout] | [INFO] [stdout] 2 | executor::{block_on, ThreadPool, ThreadPoolBuilder}, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::task` [INFO] [stdout] --> src/bin/ch_6_select.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use tokio::task; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::time::delay_for` [INFO] [stdout] --> src/bin/ch_6_select.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use tokio::time::delay_for; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `async_book::delay_future::Delay` [INFO] [stdout] --> src/bin/ch_6_select.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use async_book::delay_future::Delay; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `LocalSpawnExt` [INFO] [stdout] --> src/bin/ch_6_select.rs:14:21 [INFO] [stdout] | [INFO] [stdout] 14 | use futures::task::{LocalSpawnExt, SpawnExt}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread::Thread` [INFO] [stdout] --> src/bin/ch_6_select.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use std::thread::Thread; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/ch_6_select.rs:135:9 [INFO] [stdout] | [INFO] [stdout] 135 | let mut pool = ThreadPoolBuilder::new().pool_size(4).create().unwrap(); [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: function is never used: `count` [INFO] [stdout] --> src/bin/ch_6_select.rs:70:10 [INFO] [stdout] | [INFO] [stdout] 70 | async fn count() { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `add_two_streams` [INFO] [stdout] --> src/bin/ch_6_select.rs:94:10 [INFO] [stdout] | [INFO] [stdout] 94 | async fn add_two_streams( [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `thread_pool_executor` [INFO] [stdout] --> src/bin/ch_6_select.rs:134:4 [INFO] [stdout] | [INFO] [stdout] 134 | fn thread_pool_executor() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `tokio_runtime` [INFO] [stdout] --> src/bin/ch_6_select.rs:146:4 [INFO] [stdout] | [INFO] [stdout] 146 | fn tokio_runtime() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 18 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 31s [INFO] running `Command { std: "docker" "inspect" "e71f8288bbbce36dbf38d827d7789c9f7fa423c3dd737a252b685d60b6ec384a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e71f8288bbbce36dbf38d827d7789c9f7fa423c3dd737a252b685d60b6ec384a", kill_on_drop: false }` [INFO] [stdout] e71f8288bbbce36dbf38d827d7789c9f7fa423c3dd737a252b685d60b6ec384a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2eb5583a29ddadeca66b73b755203cb2f2093a4d37f6ab3729df76922ed8a298 [INFO] running `Command { std: "docker" "start" "-a" "2eb5583a29ddadeca66b73b755203cb2f2093a4d37f6ab3729df76922ed8a298", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stdout] warning: type does not implement `Debug`; consider adding `#[derive(Debug)]` or a manual implementation [INFO] [stdout] --> src/executor.rs:17:1 [INFO] [stdout] | [INFO] [stdout] 17 | / pub struct Executor { [INFO] [stdout] 18 | | ready_queue: Receiver>, [INFO] [stdout] 19 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | missing_debug_implementations, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type does not implement `Debug`; consider adding `#[derive(Debug)]` or a manual implementation [INFO] [stdout] --> src/executor.rs:22:1 [INFO] [stdout] | [INFO] [stdout] 22 | / pub struct Spawner { [INFO] [stdout] 23 | | task_sender: SyncSender>, [INFO] [stdout] 24 | | } [INFO] [stdout] | |_^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling async_book v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `ThreadPool` [INFO] [stdout] --> src/bin/ch_6_select.rs:2:26 [INFO] [stdout] | [INFO] [stdout] 2 | executor::{block_on, ThreadPool, ThreadPoolBuilder}, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::task` [INFO] [stdout] --> src/bin/ch_6_select.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use tokio::task; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::time::delay_for` [INFO] [stdout] --> src/bin/ch_6_select.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use tokio::time::delay_for; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `async_book::delay_future::Delay` [INFO] [stdout] --> src/bin/ch_6_select.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use async_book::delay_future::Delay; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `LocalSpawnExt` [INFO] [stdout] --> src/bin/ch_6_select.rs:14:21 [INFO] [stdout] | [INFO] [stdout] 14 | use futures::task::{LocalSpawnExt, SpawnExt}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread::Thread` [INFO] [stdout] --> src/bin/ch_6_select.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use std::thread::Thread; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `c` [INFO] [stdout] --> src/bin/ch_4_pinning.rs:121:5 [INFO] [stdout] | [INFO] [stdout] 121 | c: PhantomPinned [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `a` [INFO] [stdout] --> src/bin/ch_4_pinning.rs:143:8 [INFO] [stdout] | [INFO] [stdout] 143 | fn a(&self) -> &str { [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `future` is never read [INFO] [stdout] --> src/bin/ch_3_async_blocks.rs:60:17 [INFO] [stdout] | [INFO] [stdout] 60 | let mut future = None; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type does not implement `Debug`; consider adding `#[derive(Debug)]` or a manual implementation [INFO] [stdout] --> src/executor.rs:17:1 [INFO] [stdout] | [INFO] [stdout] 17 | / pub struct Executor { [INFO] [stdout] 18 | | ready_queue: Receiver>, [INFO] [stdout] 19 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | missing_debug_implementations, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type does not implement `Debug`; consider adding `#[derive(Debug)]` or a manual implementation [INFO] [stdout] --> src/executor.rs:22:1 [INFO] [stdout] | [INFO] [stdout] 22 | / pub struct Spawner { [INFO] [stdout] 23 | | task_sender: SyncSender>, [INFO] [stdout] 24 | | } [INFO] [stdout] | |_^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `foo_expanded` [INFO] [stdout] --> src/bin/ch_3_async_blocks.rs:10:4 [INFO] [stdout] | [INFO] [stdout] 10 | fn foo_expanded<'a>(x: &'a u8) -> impl Future + 'a { [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] --> src/bin/ch_6_select.rs:135:9 [INFO] [stdout] | [INFO] [stdout] 135 | let mut pool = ThreadPoolBuilder::new().pool_size(4).create().unwrap(); [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: function is never used: `count` [INFO] [stdout] --> src/bin/ch_6_select.rs:70:10 [INFO] [stdout] | [INFO] [stdout] 70 | async fn count() { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `add_two_streams` [INFO] [stdout] --> src/bin/ch_6_select.rs:94:10 [INFO] [stdout] | [INFO] [stdout] 94 | async fn add_two_streams( [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `thread_pool_executor` [INFO] [stdout] --> src/bin/ch_6_select.rs:134:4 [INFO] [stdout] | [INFO] [stdout] 134 | fn thread_pool_executor() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `tokio_runtime` [INFO] [stdout] --> src/bin/ch_6_select.rs:146:4 [INFO] [stdout] | [INFO] [stdout] 146 | fn tokio_runtime() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.88s [INFO] running `Command { std: "docker" "inspect" "2eb5583a29ddadeca66b73b755203cb2f2093a4d37f6ab3729df76922ed8a298", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2eb5583a29ddadeca66b73b755203cb2f2093a4d37f6ab3729df76922ed8a298", kill_on_drop: false }` [INFO] [stdout] 2eb5583a29ddadeca66b73b755203cb2f2093a4d37f6ab3729df76922ed8a298 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 5c5b6836769e86b5c8726c5388ce4285b4a67c23fbf04d6c9453ea94f95089e0 [INFO] running `Command { std: "docker" "start" "-a" "5c5b6836769e86b5c8726c5388ce4285b4a67c23fbf04d6c9453ea94f95089e0", kill_on_drop: false }` [INFO] [stderr] warning: type does not implement `Debug`; consider adding `#[derive(Debug)]` or a manual implementation [INFO] [stderr] --> src/executor.rs:17:1 [INFO] [stderr] | [INFO] [stderr] 17 | / pub struct Executor { [INFO] [stderr] 18 | | ready_queue: Receiver>, [INFO] [stderr] 19 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] note: the lint level is defined here [INFO] [stderr] --> src/lib.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | missing_debug_implementations, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: type does not implement `Debug`; consider adding `#[derive(Debug)]` or a manual implementation [INFO] [stderr] --> src/executor.rs:22:1 [INFO] [stderr] | [INFO] [stderr] 22 | / pub struct Spawner { [INFO] [stderr] 23 | | task_sender: SyncSender>, [INFO] [stderr] 24 | | } [INFO] [stderr] | |_^ [INFO] [stderr] [INFO] [stderr] warning: `async_book` (lib) generated 2 warnings [INFO] [stderr] warning: `async_book` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] warning: unused import: `ThreadPool` [INFO] [stderr] --> src/bin/ch_6_select.rs:2:26 [INFO] [stderr] | [INFO] [stderr] 2 | executor::{block_on, ThreadPool, ThreadPoolBuilder}, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `tokio::task` [INFO] [stderr] --> src/bin/ch_6_select.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use tokio::task; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `tokio::time::delay_for` [INFO] [stderr] --> src/bin/ch_6_select.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use tokio::time::delay_for; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `async_book::delay_future::Delay` [INFO] [stderr] --> src/bin/ch_6_select.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use async_book::delay_future::Delay; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `LocalSpawnExt` [INFO] [stderr] --> src/bin/ch_6_select.rs:14:21 [INFO] [stderr] | [INFO] [stderr] 14 | use futures::task::{LocalSpawnExt, SpawnExt}; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::thread::Thread` [INFO] [stderr] --> src/bin/ch_6_select.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | use std::thread::Thread; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/ch_6_select.rs:135:9 [INFO] [stderr] | [INFO] [stderr] 135 | let mut pool = ThreadPoolBuilder::new().pool_size(4).create().unwrap(); [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 is never used: `count` [INFO] [stderr] --> src/bin/ch_6_select.rs:70:10 [INFO] [stderr] | [INFO] [stderr] 70 | async fn count() { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `add_two_streams` [INFO] [stderr] --> src/bin/ch_6_select.rs:94:10 [INFO] [stderr] | [INFO] [stderr] 94 | async fn add_two_streams( [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `thread_pool_executor` [INFO] [stderr] --> src/bin/ch_6_select.rs:134:4 [INFO] [stderr] | [INFO] [stderr] 134 | fn thread_pool_executor() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `tokio_runtime` [INFO] [stderr] --> src/bin/ch_6_select.rs:146:4 [INFO] [stderr] | [INFO] [stderr] 146 | fn tokio_runtime() { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `c` [INFO] [stderr] --> src/bin/ch_4_pinning.rs:121:5 [INFO] [stderr] | [INFO] [stderr] 121 | c: PhantomPinned [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `a` [INFO] [stderr] --> src/bin/ch_4_pinning.rs:143:8 [INFO] [stderr] | [INFO] [stderr] 143 | fn a(&self) -> &str { [INFO] [stderr] | ^ [INFO] [stderr] [INFO] [stderr] warning: value assigned to `future` is never read [INFO] [stderr] --> src/bin/ch_3_async_blocks.rs:60:17 [INFO] [stderr] | [INFO] [stderr] 60 | let mut future = None; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: function is never used: `foo_expanded` [INFO] [stderr] --> src/bin/ch_3_async_blocks.rs:10:4 [INFO] [stderr] | [INFO] [stderr] 10 | fn foo_expanded<'a>(x: &'a u8) -> impl Future + 'a { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `async_book` (bin "ch_6_select" test) generated 11 warnings [INFO] [stderr] warning: `async_book` (bin "ch_4_pinning" test) generated 2 warnings [INFO] [stderr] warning: `async_book` (bin "ch_3_async_blocks" test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/async_book-98baaada4bef1008) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ch_2_build_executor-6a703493406d3d8e) [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] [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] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ch_3_async_blocks-10c59b4b06d01412) [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] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ch_4_pinning-73423b1d897f2c5f) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test test_heap_pin ... ok [INFO] [stdout] test test_no_pin ... ok [INFO] [stdout] test test_stack_pin ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ch_6_select-62f2ca304b923d05) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/race_futures-449fc346daeda377) [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] [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] [stderr] Doc-tests async_book [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" "5c5b6836769e86b5c8726c5388ce4285b4a67c23fbf04d6c9453ea94f95089e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5c5b6836769e86b5c8726c5388ce4285b4a67c23fbf04d6c9453ea94f95089e0", kill_on_drop: false }` [INFO] [stdout] 5c5b6836769e86b5c8726c5388ce4285b4a67c23fbf04d6c9453ea94f95089e0