[INFO] cloning repository https://github.com/sabahtalateh/hello_async [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sabahtalateh/hello_async" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsabahtalateh%2Fhello_async", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsabahtalateh%2Fhello_async'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] cedd7306a8da53fcd0028f9ab8c98329d5003219 [INFO] checking sabahtalateh/hello_async against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsabahtalateh%2Fhello_async" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [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-0-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/sabahtalateh/hello_async on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tokio-timer v0.2.11 [INFO] [stderr] Downloaded crossbeam-utils v0.6.6 [INFO] [stderr] Downloaded cfg-if v0.1.9 [INFO] [stderr] Downloaded tokio-executor v0.1.8 [INFO] [stderr] Downloaded memoffset v0.5.1 [INFO] [stderr] Downloaded tokio-tcp v0.1.3 [INFO] [stderr] Downloaded ppv-lite86 v0.2.5 [INFO] [stderr] Downloaded tokio-sync v0.1.6 [INFO] [stderr] Downloaded arrayvec v0.4.11 [INFO] [stderr] Downloaded tokio-threadpool v0.1.15 [INFO] [stderr] Downloaded futures v0.1.28 [INFO] [stderr] Downloaded mio v0.6.19 [INFO] [stderr] Downloaded tokio-core v0.1.17 [INFO] [stderr] Downloaded crossbeam-epoch v0.7.2 [INFO] [stderr] Downloaded crossbeam-deque v0.7.1 [INFO] [stderr] Downloaded c2-chacha v0.2.2 [INFO] [stderr] Downloaded rand_core v0.5.0 [INFO] [stderr] Downloaded scoped-tls v0.1.2 [INFO] [stderr] Downloaded tokio-current-thread v0.1.6 [INFO] [stderr] Downloaded scopeguard v1.0.0 [INFO] [stderr] Downloaded tokio-uds v0.2.5 [INFO] [stderr] Downloaded 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"ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 51497b951a1b59aea654df018aac111c84618966b4229cfb28a71577f2cd775f [INFO] running `Command { std: "docker" "start" "-a" "51497b951a1b59aea654df018aac111c84618966b4229cfb28a71577f2cd775f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "51497b951a1b59aea654df018aac111c84618966b4229cfb28a71577f2cd775f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "51497b951a1b59aea654df018aac111c84618966b4229cfb28a71577f2cd775f", kill_on_drop: false }` [INFO] [stdout] 51497b951a1b59aea654df018aac111c84618966b4229cfb28a71577f2cd775f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c1bc407b2db747c44a1bb2f9edf34b8d2276c3178f29d51b4e917990b0254f8f [INFO] running `Command { std: "docker" "start" "-a" "c1bc407b2db747c44a1bb2f9edf34b8d2276c3178f29d51b4e917990b0254f8f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.60 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Compiling autocfg v0.1.5 [INFO] [stderr] Checking futures v0.1.28 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Compiling memoffset v0.5.1 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking smallvec v0.6.10 [INFO] [stderr] Compiling arrayvec v0.4.11 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking ppv-lite86 v0.2.5 [INFO] [stderr] Checking scoped-tls v0.1.2 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] 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[stderr] Checking tokio-uds v0.2.5 [INFO] [stderr] Checking tokio-udp v0.1.3 [INFO] [stderr] Checking tokio-tcp 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: 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 `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: 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: unnecessary trailing semicolon [INFO] [stdout] --> src/bin/tokio_spawn_cout_bytes_read.rs:22:6 [INFO] [stdout] | [INFO] [stdout] 22 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ReadExact` is never constructed [INFO] [stdout] --> src/bin/tokio_async_read.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | struct ReadExact(Option>); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Reading` is never constructed [INFO] [stdout] --> src/bin/tokio_async_read.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | struct Reading { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_exact` is never used [INFO] [stdout] --> src/bin/tokio_async_read.rs:26:4 [INFO] [stdout] | [INFO] [stdout] 26 | fn read_exact(reader: R, buffer: T) -> ReadExact [INFO] [stdout] | ^^^^^^^^^^ [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 variable: `e` [INFO] [stdout] --> src/bin/tokio_spawn_cout_bytes_read.rs:88:57 [INFO] [stdout] | [INFO] [stdout] 88 | ... tx.send(buf.len()).map_err(|e| io::ErrorKind::Other.into()) [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [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/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/core/src/result.rs:553:54 [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] For more information about this error, try `rustc --explain E0023`. [INFO] [stdout] [INFO] [stderr] error: could not compile `hello_async` (bin "tokio_echo") due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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: 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 `(Duration, Sender>)`, found `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 tuple `(Duration, tokio::sync::mpsc::Sender>)` [INFO] [stdout] found struct `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 `()`, found `SendError` [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] 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[E0271]: type mismatch resolving ` 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-1949cf8c6b5b557f/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] = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/tokio_ping_pong-8aa16a0114e70325.long-type-4350173343965591794.txt' [INFO] [stdout] = note: consider using `--verbose` to print the full type name to the console [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] 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 4 previous errors; 3 warnings emitted [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/bin/tokio_functional.rs:72:61 [INFO] [stdout] | [INFO] [stdout] 72 | fn with_future>(f: F) {} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/tokio_functional.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | / get_data().and_then(|data| { [INFO] [stdout] 17 | | dst.push(data); [INFO] [stdout] 18 | | Ok(()) [INFO] [stdout] 19 | | }); [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] 16 | let _ = get_data().and_then(|data| { [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "c1bc407b2db747c44a1bb2f9edf34b8d2276c3178f29d51b4e917990b0254f8f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c1bc407b2db747c44a1bb2f9edf34b8d2276c3178f29d51b4e917990b0254f8f", kill_on_drop: false }` [INFO] [stdout] c1bc407b2db747c44a1bb2f9edf34b8d2276c3178f29d51b4e917990b0254f8f