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"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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2bcf0753d63be2c55a9d11d1c6e0da459273f8ac30594fe8cb896b69a40bf206 [INFO] running `Command { std: "docker" "start" "-a" "2bcf0753d63be2c55a9d11d1c6e0da459273f8ac30594fe8cb896b69a40bf206", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.60 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Checking rand_core v0.4.0 [INFO] [stderr] Compiling autocfg v0.1.5 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Checking futures v0.1.28 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Checking stable_deref_trait v1.1.1 [INFO] [stderr] Compiling 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crossbeam-epoch v0.7.2 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking num_cpus v1.10.1 [INFO] [stderr] Checking getrandom v0.1.8 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking rand_core v0.5.0 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking tokio-executor v0.1.8 [INFO] [stderr] Checking tokio-sync v0.1.6 [INFO] [stderr] Checking rand v0.7.0 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking tokio-timer v0.2.11 [INFO] [stderr] Checking tokio-current-thread v0.1.6 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking tokio-threadpool v0.1.15 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Checking tokio-reactor v0.1.9 [INFO] [stderr] Checking tokio-fs v0.1.6 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking tokio-uds v0.2.5 [INFO] [stderr] Checking tokio-udp v0.1.3 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking tokio-core v0.1.17 [INFO] [stderr] Checking hello_async v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Future` is imported redundantly [INFO] [stdout] --> src/bin/tokio_notify_task.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use futures::Future; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] 2 | use tokio::prelude::*; [INFO] [stdout] | ----------------- the item `Future` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: the item `future` is imported redundantly [INFO] [stdout] --> src/bin/line_chat.rs:35:23 [INFO] [stdout] | [INFO] [stdout] 35 | use futures::future::{self, Either}; [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 39 | use tokio::prelude::*; [INFO] [stdout] | ----------------- the item `future` is already imported here [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/bin/line_chat.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Stream` [INFO] [stdout] --> src/bin/tokio_ping_pong.rs:12:37 [INFO] [stdout] | [INFO] [stdout] 12 | use futures::{future, Future, Sink, Stream}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/bin/tokio_read_timeout.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | ; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Instant` [INFO] [stdout] --> src/bin/tokio_ping_pong.rs:14:27 [INFO] [stdout] | [INFO] [stdout] 14 | use std::time::{Duration, Instant}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rx` [INFO] [stdout] --> src/bin/tokio_ping_pong.rs:33:21 [INFO] [stdout] | [INFO] [stdout] 33 | fn coordinator_task(rx: mpsc::Receiver) -> impl Future { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_rx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0271]: type mismatch resolving `>> as Future>::Item == (Duration, Sender>)` [INFO] [stdout] --> src/bin/tokio_ping_pong.rs:52:6 [INFO] [stdout] | [INFO] [stdout] 52 | ) -> impl Future), Error = ()> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `Sender>`, found `(Duration, Sender>)` [INFO] [stdout] ... [INFO] [stdout] 55 | tx.send(resp_tx) [INFO] [stdout] | ---------------- return type was inferred to be `futures::sink::Send>>` here [INFO] [stdout] | [INFO] [stdout] = note: expected struct `tokio::sync::mpsc::Sender>` [INFO] [stdout] found tuple `(Duration, tokio::sync::mpsc::Sender>)` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0271]: type mismatch resolving `>> as Future>::Error == ()` [INFO] [stdout] --> src/bin/tokio_ping_pong.rs:52:6 [INFO] [stdout] | [INFO] [stdout] 52 | ) -> impl Future), Error = ()> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `SendError`, found `()` [INFO] [stdout] ... [INFO] [stdout] 55 | tx.send(resp_tx) [INFO] [stdout] | ---------------- return type was inferred to be `futures::sink::Send>>` here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0271]: type mismatch resolving `>), Error = ()>> as Future>::Item == ()` [INFO] [stdout] --> src/bin/tokio_ping_pong.rs:87:26 [INFO] [stdout] | [INFO] [stdout] 87 | tokio::spawn(lazy(|| rtt(tx))) [INFO] [stdout] | ------------ ^^^^^^^^^^^^^^^^ expected `()`, found `(Duration, Sender>)` [INFO] [stdout] | | [INFO] [stdout] | required by a bound introduced by this call [INFO] [stdout] | [INFO] [stdout] = note: expected unit type `()` [INFO] [stdout] found tuple `(Duration, tokio::sync::mpsc::Sender>)` [INFO] [stdout] note: required by a bound in `tokio::spawn` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-0.1.22/src/executor/mod.rs:131:17 [INFO] [stdout] | [INFO] [stdout] 130 | pub fn spawn(f: F) -> Spawn [INFO] [stdout] | ----- required by a bound in this function [INFO] [stdout] 131 | where F: Future + 'static + Send [INFO] [stdout] | ^^^^^^^^^ required by this bound in `spawn` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/tokio_io_read8.rs:16:17 [INFO] [stdout] | [INFO] [stdout] 16 | let mut buf = vec![0; 8]; [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 variable: `yielded` [INFO] [stdout] --> src/bin/tokio_stream_fib.rs:87:13 [INFO] [stdout] | [INFO] [stdout] 87 | let yielded = curr; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_yielded` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/bin/line_chat.rs:313:44 [INFO] [stdout] | [INFO] [stdout] 313 | let n = try_ready!(self.socket.read_buf(&mut self.rd)); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `tokio::io::AsyncRead::read_buf(...)` to keep using the current method [INFO] [stdout] = note: `#[deny(unstable_name_collisions)]` implied by `#[deny(warnings)]` [INFO] [stdout] help: add `#![feature(read_buf)]` to the crate attributes to enable `std::io::Read::read_buf` [INFO] [stdout] | [INFO] [stdout] 29 + #![feature(read_buf)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Future` is imported redundantly [INFO] [stdout] --> src/bin/tokio_notify_task.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use futures::Future; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] 2 | use tokio::prelude::*; [INFO] [stdout] | ----------------- the item `Future` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/tokio_spawn.rs:20:13 [INFO] [stdout] | [INFO] [stdout] 20 | tx.send("hello from spawned task"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 20 | let _ = tx.send("hello from spawned task"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/bin/tokio_ping_pong.rs:87:13 [INFO] [stdout] | [INFO] [stdout] 87 | tokio::spawn(lazy(|| rtt(tx))) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `()`, found `Spawn` [INFO] [stdout] | [INFO] [stdout] help: consider using a semicolon here [INFO] [stdout] | [INFO] [stdout] 87 | tokio::spawn(lazy(|| rtt(tx))); [INFO] [stdout] | + [INFO] [stdout] help: you might have meant to return this value [INFO] [stdout] | [INFO] [stdout] 87 | return tokio::spawn(lazy(|| rtt(tx))); [INFO] [stdout] | ++++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0271, E0308. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0271`. [INFO] [stdout] [INFO] [stdout] warning: unused import: `future` [INFO] [stdout] --> src/bin/tokio_ping_pong_2.rs:46:15 [INFO] [stdout] | [INFO] [stdout] 46 | use futures::{future, Future, Sink, Stream}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `hello_async` (bin "tokio_ping_pong") due to 5 previous errors; 3 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `hello_async` (bin "line_chat") due to 3 previous errors [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/bin/tokio_read_timeout.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | ; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/bin/mutex.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Stream` [INFO] [stdout] --> src/bin/tokio_ping_pong.rs:12:37 [INFO] [stdout] | [INFO] [stdout] 12 | use futures::{future, Future, Sink, Stream}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Instant` [INFO] [stdout] --> src/bin/tokio_ping_pong.rs:14:27 [INFO] [stdout] | [INFO] [stdout] 14 | use std::time::{Duration, Instant}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0023]: this pattern has 3 fields, but the corresponding tuple variant has 1 field [INFO] [stdout] --> src/bin/tokio_echo.rs:33:24 [INFO] [stdout] | [INFO] [stdout] 33 | Ok(amount, _, _) => println!("wrote {} bytes", amount), [INFO] [stdout] | ^^^^^^ ^ ^ expected 1 field, found 3 [INFO] [stdout] --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/core/src/result.rs:506:54 [INFO] [stdout] | [INFO] [stdout] = note: tuple variant has 1 field [INFO] [stdout] | [INFO] [stdout] help: missing parentheses [INFO] [stdout] | [INFO] [stdout] 33 | Ok((amount, _, _)) => println!("wrote {} bytes", amount), [INFO] [stdout] | + + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rx` [INFO] [stdout] --> src/bin/tokio_ping_pong.rs:33:21 [INFO] [stdout] | [INFO] [stdout] 33 | fn coordinator_task(rx: mpsc::Receiver) -> impl Future { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_rx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: the item `future` is imported redundantly [INFO] [stdout] --> src/bin/line_chat.rs:35:23 [INFO] [stdout] | [INFO] [stdout] 35 | use futures::future::{self, Either}; [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 39 | use tokio::prelude::*; [INFO] [stdout] | ----------------- the item `future` is already imported here [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/bin/line_chat.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0023`. [INFO] [stdout] [INFO] [stdout] error[E0023]: this pattern has 3 fields, but the corresponding tuple variant has 1 field [INFO] [stdout] --> src/bin/tokio_echo.rs:33:24 [INFO] [stdout] | [INFO] [stdout] 33 | Ok(amount, _, _) => println!("wrote {} bytes", amount), [INFO] [stdout] | ^^^^^^ ^ ^ expected 1 field, found 3 [INFO] [stdout] --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/core/src/result.rs:506:54 [INFO] [stdout] | [INFO] [stdout] = note: tuple variant has 1 field [INFO] [stdout] | [INFO] [stdout] help: missing parentheses [INFO] [stdout] | [INFO] [stdout] 33 | Ok((amount, _, _)) => println!("wrote {} bytes", amount), [INFO] [stdout] | + + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0271]: type mismatch resolving `>> as Future>::Item == (Duration, Sender>)` [INFO] [stdout] --> src/bin/tokio_ping_pong.rs:52:6 [INFO] [stdout] | [INFO] [stdout] 52 | ) -> impl Future), Error = ()> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `Sender>`, found `(Duration, Sender>)` [INFO] [stdout] ... [INFO] [stdout] 55 | tx.send(resp_tx) [INFO] [stdout] | ---------------- return type was inferred to be `futures::sink::Send>>` here [INFO] [stdout] | [INFO] [stdout] = note: expected struct `tokio::sync::mpsc::Sender>` [INFO] [stdout] found tuple `(Duration, tokio::sync::mpsc::Sender>)` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0271]: type mismatch resolving `>> as Future>::Error == ()` [INFO] [stdout] --> src/bin/tokio_ping_pong.rs:52:6 [INFO] [stdout] | [INFO] [stdout] 52 | ) -> impl Future), Error = ()> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `SendError`, found `()` [INFO] [stdout] ... [INFO] [stdout] 55 | tx.send(resp_tx) [INFO] [stdout] | ---------------- return type was inferred to be `futures::sink::Send>>` here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `hello_async` (bin "tokio_echo" test) due to 2 previous errors [INFO] [stdout] For more information about this error, try `rustc --explain E0023`. [INFO] [stdout] [INFO] [stdout] error[E0271]: type mismatch resolving `>), Error = ()>> as Future>::Item == ()` [INFO] [stdout] --> src/bin/tokio_ping_pong.rs:87:26 [INFO] [stdout] | [INFO] [stdout] 87 | tokio::spawn(lazy(|| rtt(tx))) [INFO] [stdout] | ------------ ^^^^^^^^^^^^^^^^ expected `()`, found `(Duration, Sender>)` [INFO] [stdout] | | [INFO] [stdout] | required by a bound introduced by this call [INFO] [stdout] | [INFO] [stdout] = note: expected unit type `()` [INFO] [stdout] found tuple `(Duration, tokio::sync::mpsc::Sender>)` [INFO] [stdout] note: required by a bound in `tokio::spawn` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-0.1.22/src/executor/mod.rs:131:17 [INFO] [stdout] | [INFO] [stdout] 130 | pub fn spawn(f: F) -> Spawn [INFO] [stdout] | ----- required by a bound in this function [INFO] [stdout] 131 | where F: Future + 'static + Send [INFO] [stdout] | ^^^^^^^^^ required by this bound in `spawn` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `hello_async` (bin "tokio_echo") due to 2 previous errors [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/tokio_spawn.rs:20:13 [INFO] [stdout] | [INFO] [stdout] 20 | tx.send("hello from spawned task"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 20 | let _ = tx.send("hello from spawned task"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/bin/tokio_ping_pong.rs:87:13 [INFO] [stdout] | [INFO] [stdout] 87 | tokio::spawn(lazy(|| rtt(tx))) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `()`, found `Spawn` [INFO] [stdout] | [INFO] [stdout] help: consider using a semicolon here [INFO] [stdout] | [INFO] [stdout] 87 | tokio::spawn(lazy(|| rtt(tx))); [INFO] [stdout] | + [INFO] [stdout] help: you might have meant to return this value [INFO] [stdout] | [INFO] [stdout] 87 | return tokio::spawn(lazy(|| rtt(tx))); [INFO] [stdout] | ++++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/bin/line_chat.rs:313:44 [INFO] [stdout] | [INFO] [stdout] 313 | let n = try_ready!(self.socket.read_buf(&mut self.rd)); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `tokio::io::AsyncRead::read_buf(...)` to keep using the current method [INFO] [stdout] = note: `#[deny(unstable_name_collisions)]` implied by `#[deny(warnings)]` [INFO] [stdout] help: add `#![feature(read_buf)]` to the crate attributes to enable `std::io::Read::read_buf` [INFO] [stdout] | [INFO] [stdout] 29 + #![feature(read_buf)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0271, E0308. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0271`. [INFO] [stdout] [INFO] [stderr] error: could not compile `hello_async` (bin "tokio_ping_pong" test) due to 5 previous errors; 3 warnings emitted [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `hello_async` (bin "line_chat" test) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "2bcf0753d63be2c55a9d11d1c6e0da459273f8ac30594fe8cb896b69a40bf206", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2bcf0753d63be2c55a9d11d1c6e0da459273f8ac30594fe8cb896b69a40bf206", kill_on_drop: false }` [INFO] [stdout] 2bcf0753d63be2c55a9d11d1c6e0da459273f8ac30594fe8cb896b69a40bf206 [INFO] checking sabahtalateh/hello_async against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsabahtalateh%2Fhello_async" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sabahtalateh/hello_async on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sabahtalateh/hello_async [INFO] finished tweaking git repo https://github.com/sabahtalateh/hello_async [INFO] tweaked toml for git repo https://github.com/sabahtalateh/hello_async written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/sabahtalateh/hello_async 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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b79a571d88a095551af792b106fcd556549cf5fa9cf0058dec2a47d692f14efa [INFO] running `Command { std: "docker" "start" "-a" "b79a571d88a095551af792b106fcd556549cf5fa9cf0058dec2a47d692f14efa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b79a571d88a095551af792b106fcd556549cf5fa9cf0058dec2a47d692f14efa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b79a571d88a095551af792b106fcd556549cf5fa9cf0058dec2a47d692f14efa", kill_on_drop: false }` [INFO] [stdout] b79a571d88a095551af792b106fcd556549cf5fa9cf0058dec2a47d692f14efa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3e21b368c5740c14b92ac8878c7aaee7f11341d87c19680ab25c4713f22bd2bf [INFO] running `Command { std: "docker" "start" "-a" "3e21b368c5740c14b92ac8878c7aaee7f11341d87c19680ab25c4713f22bd2bf", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] skipping non-2021 edition `2018` [INFO] running `Command { std: "docker" "inspect" "3e21b368c5740c14b92ac8878c7aaee7f11341d87c19680ab25c4713f22bd2bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3e21b368c5740c14b92ac8878c7aaee7f11341d87c19680ab25c4713f22bd2bf", kill_on_drop: false }` [INFO] [stdout] 3e21b368c5740c14b92ac8878c7aaee7f11341d87c19680ab25c4713f22bd2bf