[INFO] cloning repository https://github.com/yuan-yuan-jia/AsyncRust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yuan-yuan-jia/AsyncRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuan-yuan-jia%2FAsyncRust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuan-yuan-jia%2FAsyncRust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0bce3492a74becc5727bec3a24de50665d8e197c [INFO] checking yuan-yuan-jia/AsyncRust against master#2a023bf80a6fbd6a06d5460a34eb247b986286ed for pr-143764 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuan-yuan-jia%2FAsyncRust" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/yuan-yuan-jia/AsyncRust [INFO] finished tweaking git repo https://github.com/yuan-yuan-jia/AsyncRust [INFO] tweaked toml for git repo https://github.com/yuan-yuan-jia/AsyncRust written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/yuan-yuan-jia/AsyncRust on toolchain 2a023bf80a6fbd6a06d5460a34eb247b986286ed [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2a023bf80a6fbd6a06d5460a34eb247b986286ed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/yuan-yuan-jia/AsyncRust 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" "+2a023bf80a6fbd6a06d5460a34eb247b986286ed" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded async-native-tls v0.5.0 [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2a023bf80a6fbd6a06d5460a34eb247b986286ed" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a03b7241dca74c3c81fb0e54f4cc18f7cfebc01f8900b344b0a6dde9599f3dbb [INFO] running `Command { std: "docker" "start" "-a" "a03b7241dca74c3c81fb0e54f4cc18f7cfebc01f8900b344b0a6dde9599f3dbb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a03b7241dca74c3c81fb0e54f4cc18f7cfebc01f8900b344b0a6dde9599f3dbb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a03b7241dca74c3c81fb0e54f4cc18f7cfebc01f8900b344b0a6dde9599f3dbb", kill_on_drop: false }` [INFO] [stdout] a03b7241dca74c3c81fb0e54f4cc18f7cfebc01f8900b344b0a6dde9599f3dbb [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=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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2a023bf80a6fbd6a06d5460a34eb247b986286ed" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 81abb882df7c13e2b9aef2e5cefd7c1bc4f9b3d4e1aab6cc6432e3b47750f5e5 [INFO] running `Command { std: "docker" "start" "-a" "81abb882df7c13e2b9aef2e5cefd7c1bc4f9b3d4e1aab6cc6432e3b47750f5e5", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.95 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] 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v1.2.24 [INFO] [stderr] Compiling vcpkg v0.2.15 [INFO] [stderr] Checking tracing v0.1.41 [INFO] [stderr] Checking concurrent-queue v2.5.0 [INFO] [stderr] Compiling pkg-config v0.3.32 [INFO] [stderr] Compiling rustix v1.0.7 [INFO] [stderr] Compiling syn v2.0.101 [INFO] [stderr] Checking event-listener v5.4.0 [INFO] [stderr] Checking fastrand v1.9.0 [INFO] [stderr] Checking waker-fn v1.2.0 [INFO] [stderr] Checking event-listener-strategy v0.5.4 [INFO] [stderr] Checking futures-lite v1.13.0 [INFO] [stderr] Checking linux-raw-sys v0.9.4 [INFO] [stderr] Checking litemap v0.8.0 [INFO] [stderr] Checking async-task v4.7.1 [INFO] [stderr] Checking signal-hook-registry v1.4.5 [INFO] [stderr] Checking mio v1.0.4 [INFO] [stderr] Checking socket2 v0.5.9 [INFO] [stderr] Checking parking_lot v0.12.3 [INFO] [stderr] Checking fastrand v2.3.0 [INFO] [stderr] Checking writeable v0.6.1 [INFO] [stderr] Checking futures-lite v2.6.0 [INFO] [stderr] Checking futures-task v0.3.31 [INFO] [stderr] Compiling 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Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling pin-project-internal v1.1.10 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Checking tokio v1.45.1 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Checking async-io v2.4.1 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Checking pin-project v1.1.10 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking flume v0.10.14 [INFO] [stderr] Checking async-signal v0.2.11 [INFO] [stderr] Checking async-process v1.8.1 [INFO] [stderr] Checking ch03_02 v0.1.0 (/opt/rustwide/workdir/ch03_02) [INFO] [stdout] warning: unused macro definition: `try_join` [INFO] [stdout] --> ch03_02/src/main.rs:32:14 [INFO] [stdout] | [INFO] [stdout] 32 | macro_rules! try_join { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking smol v1.3.0 [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> ch03_02/src/main.rs:22:17 [INFO] [stdout] | [INFO] [stdout] 22 | let mut results: Vec<()> = Vec::new(); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] ... [INFO] [stdout] 74 | join!(high, low); [INFO] [stdout] | ---------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] = note: this warning originates in the macro `join` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `FutureOrderLable` is never used [INFO] [stdout] --> ch03_02/src/main.rs:88:7 [INFO] [stdout] | [INFO] [stdout] 88 | trait FutureOrderLable: Future { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `CounterFuture` is never constructed [INFO] [stdout] --> ch03_02/src/main.rs:92:8 [INFO] [stdout] | [INFO] [stdout] 92 | struct CounterFuture { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `AsyncSleep` is never constructed [INFO] [stdout] --> ch03_02/src/main.rs:117:8 [INFO] [stdout] | [INFO] [stdout] 117 | struct AsyncSleep { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> ch03_02/src/main.rs:122:8 [INFO] [stdout] | [INFO] [stdout] 121 | impl AsyncSleep { [INFO] [stdout] | --------------- associated function in this implementation [INFO] [stdout] 122 | fn new(duration: Duration) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `async_fn` is never used [INFO] [stdout] --> ch03_02/src/main.rs:142:10 [INFO] [stdout] | [INFO] [stdout] 142 | async fn async_fn() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static `QUEUE` is never used [INFO] [stdout] --> ch03_02/src/main.rs:147:8 [INFO] [stdout] | [INFO] [stdout] 147 | static QUEUE: Lazy> = Lazy::new(|| { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking ch03_01 v0.1.0 (/opt/rustwide/workdir/ch03_01) [INFO] [stdout] warning: unused macro definition: `try_join` [INFO] [stdout] --> ch03_02/src/main.rs:32:14 [INFO] [stdout] | [INFO] [stdout] 32 | macro_rules! try_join { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> ch03_02/src/main.rs:22:17 [INFO] [stdout] | [INFO] [stdout] 22 | let mut results: Vec<()> = Vec::new(); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] ... [INFO] [stdout] 74 | join!(high, low); [INFO] [stdout] | ---------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] = note: this warning originates in the macro `join` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `FutureOrderLable` is never used [INFO] [stdout] --> ch03_02/src/main.rs:88:7 [INFO] [stdout] | [INFO] [stdout] 88 | trait FutureOrderLable: Future { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `CounterFuture` is never constructed [INFO] [stdout] --> ch03_02/src/main.rs:92:8 [INFO] [stdout] | [INFO] [stdout] 92 | struct CounterFuture { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `AsyncSleep` is never constructed [INFO] [stdout] --> ch03_02/src/main.rs:117:8 [INFO] [stdout] | [INFO] [stdout] 117 | struct AsyncSleep { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> ch03_02/src/main.rs:122:8 [INFO] [stdout] | [INFO] [stdout] 121 | impl AsyncSleep { [INFO] [stdout] | --------------- associated function in this implementation [INFO] [stdout] 122 | fn new(duration: Duration) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `async_fn` is never used [INFO] [stdout] --> ch03_02/src/main.rs:142:10 [INFO] [stdout] | [INFO] [stdout] 142 | async fn async_fn() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static `QUEUE` is never used [INFO] [stdout] --> ch03_02/src/main.rs:147:8 [INFO] [stdout] | [INFO] [stdout] 147 | static QUEUE: Lazy> = Lazy::new(|| { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition: `try_join` [INFO] [stdout] --> ch03_01/src/main.rs:214:14 [INFO] [stdout] | [INFO] [stdout] 214 | macro_rules! try_join { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition: `try_join` [INFO] [stdout] --> ch03_01/src/main.rs:214:14 [INFO] [stdout] | [INFO] [stdout] 214 | macro_rules! try_join { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking zerofrom v0.1.6 [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> ch03_01/src/main.rs:205:17 [INFO] [stdout] | [INFO] [stdout] 205 | let mut results: Vec<()> = Vec::new(); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] ... [INFO] [stdout] 277 | join!(t_one, t_two, t_three, t_four); [INFO] [stdout] | ------------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] = note: this warning originates in the macro `join` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `FutureOrderLable` is never used [INFO] [stdout] --> ch03_01/src/main.rs:21:7 [INFO] [stdout] | [INFO] [stdout] 21 | trait FutureOrderLable: Future { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `AsyncSleep` is never constructed [INFO] [stdout] --> ch03_01/src/main.rs:50:8 [INFO] [stdout] | [INFO] [stdout] 50 | struct AsyncSleep { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> ch03_01/src/main.rs:55:8 [INFO] [stdout] | [INFO] [stdout] 54 | impl AsyncSleep { [INFO] [stdout] | --------------- associated function in this implementation [INFO] [stdout] 55 | fn new(duration: Duration) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static `QUEUE` is never used [INFO] [stdout] --> ch03_01/src/main.rs:80:8 [INFO] [stdout] | [INFO] [stdout] 80 | static QUEUE: Lazy> = Lazy::new(|| { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> ch03_01/src/main.rs:205:17 [INFO] [stdout] | [INFO] [stdout] 205 | let mut results: Vec<()> = Vec::new(); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] ... [INFO] [stdout] 277 | join!(t_one, t_two, t_three, t_four); [INFO] [stdout] | ------------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] = note: this warning originates in the macro `join` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `FutureOrderLable` is never used [INFO] [stdout] --> ch03_01/src/main.rs:21:7 [INFO] [stdout] | [INFO] [stdout] 21 | trait FutureOrderLable: Future { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `AsyncSleep` is never constructed [INFO] [stdout] --> ch03_01/src/main.rs:50:8 [INFO] [stdout] | [INFO] [stdout] 50 | struct AsyncSleep { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> ch03_01/src/main.rs:55:8 [INFO] [stdout] | [INFO] [stdout] 54 | impl AsyncSleep { [INFO] [stdout] | --------------- associated function in this implementation [INFO] [stdout] 55 | fn new(duration: Duration) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static `QUEUE` is never used [INFO] [stdout] --> ch03_01/src/main.rs:80:8 [INFO] [stdout] | [INFO] [stdout] 80 | static QUEUE: Lazy> = Lazy::new(|| { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking yoke v0.8.0 [INFO] [stderr] Checking zerovec v0.11.2 [INFO] [stderr] Checking zerotrie v0.2.2 [INFO] [stderr] Checking tinystr v0.8.1 [INFO] [stderr] Checking potential_utf v0.1.2 [INFO] [stderr] Checking icu_collections v2.0.0 [INFO] [stderr] Checking icu_locale_core v2.0.0 [INFO] [stderr] Checking icu_provider v2.0.0 [INFO] [stderr] Checking icu_properties v2.0.1 [INFO] [stderr] Checking icu_normalizer v2.0.0 [INFO] [stderr] Checking idna_adapter v1.2.1 [INFO] [stderr] Checking idna v1.0.3 [INFO] [stderr] Checking url v2.5.4 [INFO] [stderr] Checking tokio-util v0.7.15 [INFO] [stderr] Checking tokio-native-tls v0.3.1 [INFO] [stderr] Checking ch02_03 v0.1.0 (/opt/rustwide/workdir/ch02_03) [INFO] [stderr] Checking ch04_02 v0.1.0 (/opt/rustwide/workdir/ch04_02) [INFO] [stderr] Checking ch02_04 v0.1.0 (/opt/rustwide/workdir/ch02_04) [INFO] [stderr] Checking ch02_01 v0.1.0 (/opt/rustwide/workdir/ch02_01) [INFO] [stderr] Checking ch01_02 v0.1.0 (/opt/rustwide/workdir/ch01_02) [INFO] [stderr] Checking async-native-tls v0.5.0 [INFO] [stdout] warning: unused macro definition: `try_join` [INFO] [stdout] --> ch04_02/src/main.rs:34:14 [INFO] [stdout] | [INFO] [stdout] 34 | macro_rules! try_join { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking ch02_02 v0.1.0 (/opt/rustwide/workdir/ch02_02) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> ch04_02/src/main.rs:24:17 [INFO] [stdout] | [INFO] [stdout] 24 | let mut results: Vec<()> = Vec::new(); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] ... [INFO] [stdout] 76 | join!(high, low); [INFO] [stdout] | ---------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] = note: this warning originates in the macro `join` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `FutureOrderLable` is never used [INFO] [stdout] --> ch04_02/src/main.rs:90:7 [INFO] [stdout] | [INFO] [stdout] 90 | trait FutureOrderLable: Future { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `CounterFuture` is never constructed [INFO] [stdout] --> ch04_02/src/main.rs:94:8 [INFO] [stdout] | [INFO] [stdout] 94 | struct CounterFuture { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `AsyncSleep` is never constructed [INFO] [stdout] --> ch04_02/src/main.rs:119:8 [INFO] [stdout] | [INFO] [stdout] 119 | struct AsyncSleep { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> ch04_02/src/main.rs:124:8 [INFO] [stdout] | [INFO] [stdout] 123 | impl AsyncSleep { [INFO] [stdout] | --------------- associated function in this implementation [INFO] [stdout] 124 | fn new(duration: Duration) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `async_fn` is never used [INFO] [stdout] --> ch04_02/src/main.rs:144:10 [INFO] [stdout] | [INFO] [stdout] 144 | async fn async_fn() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static `QUEUE` is never used [INFO] [stdout] --> ch04_02/src/main.rs:149:8 [INFO] [stdout] | [INFO] [stdout] 149 | static QUEUE: Lazy> = Lazy::new(|| { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `BackgroundProcess` is never constructed [INFO] [stdout] --> ch04_02/src/main.rs:265:8 [INFO] [stdout] | [INFO] [stdout] 265 | struct BackgroundProcess; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition: `try_join` [INFO] [stdout] --> ch04_02/src/main.rs:34:14 [INFO] [stdout] | [INFO] [stdout] 34 | macro_rules! try_join { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> ch04_02/src/main.rs:24:17 [INFO] [stdout] | [INFO] [stdout] 24 | let mut results: Vec<()> = Vec::new(); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] ... [INFO] [stdout] 76 | join!(high, low); [INFO] [stdout] | ---------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] = note: this warning originates in the macro `join` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `FutureOrderLable` is never used [INFO] [stdout] --> ch04_02/src/main.rs:90:7 [INFO] [stdout] | [INFO] [stdout] 90 | trait FutureOrderLable: Future { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `CounterFuture` is never constructed [INFO] [stdout] --> ch04_02/src/main.rs:94:8 [INFO] [stdout] | [INFO] [stdout] 94 | struct CounterFuture { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `AsyncSleep` is never constructed [INFO] [stdout] --> ch04_02/src/main.rs:119:8 [INFO] [stdout] | [INFO] [stdout] 119 | struct AsyncSleep { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> ch04_02/src/main.rs:124:8 [INFO] [stdout] | [INFO] [stdout] 123 | impl AsyncSleep { [INFO] [stdout] | --------------- associated function in this implementation [INFO] [stdout] 124 | fn new(duration: Duration) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `async_fn` is never used [INFO] [stdout] --> ch04_02/src/main.rs:144:10 [INFO] [stdout] | [INFO] [stdout] 144 | async fn async_fn() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static `QUEUE` is never used [INFO] [stdout] --> ch04_02/src/main.rs:149:8 [INFO] [stdout] | [INFO] [stdout] 149 | static QUEUE: Lazy> = Lazy::new(|| { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `BackgroundProcess` is never constructed [INFO] [stdout] --> ch04_02/src/main.rs:265:8 [INFO] [stdout] | [INFO] [stdout] 265 | struct BackgroundProcess; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking h2 v0.3.26 [INFO] [stderr] Checking hyper v0.14.32 [INFO] [stderr] Checking hyper-tls v0.5.0 [INFO] [stderr] Checking ch04_01 v0.1.0 (/opt/rustwide/workdir/ch04_01) [INFO] [stdout] warning: unused import: `io` [INFO] [stdout] --> ch04_01/src/main.rs:9:19 [INFO] [stdout] | [INFO] [stdout] 9 | use smol::{Async, io, prelude::*}; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition: `try_join` [INFO] [stdout] --> ch04_01/src/main.rs:38:14 [INFO] [stdout] | [INFO] [stdout] 38 | macro_rules! try_join { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `io` [INFO] [stdout] --> ch04_01/src/main.rs:9:19 [INFO] [stdout] | [INFO] [stdout] 9 | use smol::{Async, io, prelude::*}; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition: `try_join` [INFO] [stdout] --> ch04_01/src/main.rs:38:14 [INFO] [stdout] | [INFO] [stdout] 38 | macro_rules! try_join { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> ch04_01/src/main.rs:28:17 [INFO] [stdout] | [INFO] [stdout] 28 | let mut results: Vec<()> = Vec::new(); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] ... [INFO] [stdout] 80 | join!(high, low); [INFO] [stdout] | ---------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] = note: this warning originates in the macro `join` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cx` [INFO] [stdout] --> ch04_01/src/main.rs:305:30 [INFO] [stdout] | [INFO] [stdout] 305 | fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll> { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_cx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking reqwest v0.11.27 [INFO] [stdout] warning: trait `FutureOrderLable` is never used [INFO] [stdout] --> ch04_01/src/main.rs:94:7 [INFO] [stdout] | [INFO] [stdout] 94 | trait FutureOrderLable: Future { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `CounterFuture` is never constructed [INFO] [stdout] --> ch04_01/src/main.rs:98:8 [INFO] [stdout] | [INFO] [stdout] 98 | struct CounterFuture { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `AsyncSleep` is never constructed [INFO] [stdout] --> ch04_01/src/main.rs:123:8 [INFO] [stdout] | [INFO] [stdout] 123 | struct AsyncSleep { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> ch04_01/src/main.rs:128:8 [INFO] [stdout] | [INFO] [stdout] 127 | impl AsyncSleep { [INFO] [stdout] | --------------- associated function in this implementation [INFO] [stdout] 128 | fn new(duration: Duration) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `async_fn` is never used [INFO] [stdout] --> ch04_01/src/main.rs:148:10 [INFO] [stdout] | [INFO] [stdout] 148 | async fn async_fn() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static `QUEUE` is never used [INFO] [stdout] --> ch04_01/src/main.rs:153:8 [INFO] [stdout] | [INFO] [stdout] 153 | static QUEUE: Lazy> = Lazy::new(|| { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> ch04_01/src/main.rs:28:17 [INFO] [stdout] | [INFO] [stdout] 28 | let mut results: Vec<()> = Vec::new(); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] ... [INFO] [stdout] 80 | join!(high, low); [INFO] [stdout] | ---------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] = note: this warning originates in the macro `join` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cx` [INFO] [stdout] --> ch04_01/src/main.rs:305:30 [INFO] [stdout] | [INFO] [stdout] 305 | fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll> { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_cx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `FutureOrderLable` is never used [INFO] [stdout] --> ch04_01/src/main.rs:94:7 [INFO] [stdout] | [INFO] [stdout] 94 | trait FutureOrderLable: Future { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `CounterFuture` is never constructed [INFO] [stdout] --> ch04_01/src/main.rs:98:8 [INFO] [stdout] | [INFO] [stdout] 98 | struct CounterFuture { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `AsyncSleep` is never constructed [INFO] [stdout] --> ch04_01/src/main.rs:123:8 [INFO] [stdout] | [INFO] [stdout] 123 | struct AsyncSleep { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> ch04_01/src/main.rs:128:8 [INFO] [stdout] | [INFO] [stdout] 127 | impl AsyncSleep { [INFO] [stdout] | --------------- associated function in this implementation [INFO] [stdout] 128 | fn new(duration: Duration) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `async_fn` is never used [INFO] [stdout] --> ch04_01/src/main.rs:148:10 [INFO] [stdout] | [INFO] [stdout] 148 | async fn async_fn() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static `QUEUE` is never used [INFO] [stdout] --> ch04_01/src/main.rs:153:8 [INFO] [stdout] | [INFO] [stdout] 153 | static QUEUE: Lazy> = Lazy::new(|| { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking ch01_01 v0.1.0 (/opt/rustwide/workdir/ch01_01) [INFO] [stdout] warning: unused import: `reqwest::Error` [INFO] [stdout] --> ch01_01/src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use reqwest::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Write` [INFO] [stdout] --> ch01_01/src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::io::Write; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Duration`, `Instant`, `Stdio`, and `fs::File` [INFO] [stdout] --> ch01_01/src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | fs::File, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 5 | io::BufRead, [INFO] [stdout] 6 | process::{self, Command, Stdio}, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 7 | time::{Duration, Instant}, [INFO] [stdout] | ^^^^^^^^ ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `reqwest::Error` [INFO] [stdout] --> ch01_01/src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use reqwest::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Write` [INFO] [stdout] --> ch01_01/src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::io::Write; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Duration`, `Instant`, `Stdio`, and `fs::File` [INFO] [stdout] --> ch01_01/src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | fs::File, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 5 | io::BufRead, [INFO] [stdout] 6 | process::{self, Command, Stdio}, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 7 | time::{Duration, Instant}, [INFO] [stdout] | ^^^^^^^^ ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `fibonacci` is never used [INFO] [stdout] --> ch01_01/src/main.rs:10:4 [INFO] [stdout] | [INFO] [stdout] 10 | fn fibonacci(n: u64) -> u64 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run_processes` is never used [INFO] [stdout] --> ch01_01/src/main.rs:18:4 [INFO] [stdout] | [INFO] [stdout] 18 | fn run_processes() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `task` is never used [INFO] [stdout] --> ch01_01/src/main.rs:34:4 [INFO] [stdout] | [INFO] [stdout] 34 | fn task(no: usize) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `fibonacci` is never used [INFO] [stdout] --> ch01_01/src/main.rs:10:4 [INFO] [stdout] | [INFO] [stdout] 10 | fn fibonacci(n: u64) -> u64 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run_processes` is never used [INFO] [stdout] --> ch01_01/src/main.rs:18:4 [INFO] [stdout] | [INFO] [stdout] 18 | fn run_processes() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `task` is never used [INFO] [stdout] --> ch01_01/src/main.rs:34:4 [INFO] [stdout] | [INFO] [stdout] 34 | fn task(no: usize) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 05s [INFO] running `Command { std: "docker" "inspect" "81abb882df7c13e2b9aef2e5cefd7c1bc4f9b3d4e1aab6cc6432e3b47750f5e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "81abb882df7c13e2b9aef2e5cefd7c1bc4f9b3d4e1aab6cc6432e3b47750f5e5", kill_on_drop: false }` [INFO] [stdout] 81abb882df7c13e2b9aef2e5cefd7c1bc4f9b3d4e1aab6cc6432e3b47750f5e5