[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#8365fcb2b840c95eeb0bc377af8bd498fad22245 for pr-145604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsabahtalateh%2Fhello_async" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-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-1-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/sabahtalateh/hello_async on toolchain 8365fcb2b840c95eeb0bc377af8bd498fad22245 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8365fcb2b840c95eeb0bc377af8bd498fad22245" "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" "+8365fcb2b840c95eeb0bc377af8bd498fad22245" "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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8365fcb2b840c95eeb0bc377af8bd498fad22245" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 63f707a26de7660e08ef00125bf944fbaeb57509372adb774ef36ff79354a4d7 [INFO] running `Command { std: "docker" "start" "-a" "63f707a26de7660e08ef00125bf944fbaeb57509372adb774ef36ff79354a4d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "63f707a26de7660e08ef00125bf944fbaeb57509372adb774ef36ff79354a4d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "63f707a26de7660e08ef00125bf944fbaeb57509372adb774ef36ff79354a4d7", kill_on_drop: false }` [INFO] [stdout] 63f707a26de7660e08ef00125bf944fbaeb57509372adb774ef36ff79354a4d7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+8365fcb2b840c95eeb0bc377af8bd498fad22245" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 43ecc3b64cff2c9dd36e4844c9d2ce5dafec32901311f981e554ce3661f3eefc [INFO] running `Command { std: "docker" "start" "-a" "43ecc3b64cff2c9dd36e4844c9d2ce5dafec32901311f981e554ce3661f3eefc", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.60 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling autocfg v0.1.5 [INFO] [stderr] Checking rand_core v0.4.0 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking futures v0.1.28 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking stable_deref_trait v1.1.1 [INFO] [stderr] Checking smallvec v0.6.10 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Compiling arrayvec v0.4.11 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Checking ppv-lite86 v0.2.5 [INFO] [stderr] Checking owning_ref v0.4.0 [INFO] [stderr] Checking scoped-tls v0.1.2 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Compiling memoffset v0.5.1 [INFO] [stderr] Checking c2-chacha v0.2.2 [INFO] [stderr] Checking crossbeam-epoch v0.7.2 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [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 tokio-executor v0.1.8 [INFO] [stderr] Checking tokio-sync v0.1.6 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Checking rand_core v0.5.0 [INFO] [stderr] Checking tokio-timer v0.2.11 [INFO] [stderr] Checking tokio-current-thread v0.1.6 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking rand v0.7.0 [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-fs v0.1.6 [INFO] [stderr] Checking tokio-reactor v0.1.9 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking tokio-udp v0.1.3 [INFO] [stderr] Checking tokio-uds v0.2.5 [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_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: 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] 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: 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(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[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-1525348525376854010.txt' [INFO] [stdout] = note: consider using `--verbose` to print the full type name to the console [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] 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 `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] 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] [stderr] error: could not compile `hello_async` (bin "line_chat" test) due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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] [stderr] error: failed to write `/opt/rustwide/target/debug/.fingerprint/hello_async-f32a63b25a501565/bin-tokio_spawn` [INFO] [stdout] Some errors have detailed explanations: E0271, E0308. [INFO] [stdout] [INFO] [stderr] [INFO] [stdout] For more information about an error, try `rustc --explain E0271`. [INFO] [stdout] [INFO] [stderr] Caused by: [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/8365fcb2b840c95eeb0bc377af8bd498fad22245/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] [stderr] No space left on device (os error 28) [INFO] [stderr] error: could not compile `hello_async` (bin "tokio_ping_pong" test) due to 4 previous errors; 3 warnings emitted [INFO] [stdout] For more information about this error, try `rustc --explain E0023`. [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] [stderr] error: could not compile `hello_async` (bin "tokio_echo" test) due to 1 previous error [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] [stderr] error: could not parse/generate dep info at: /opt/rustwide/target/debug/deps/tokio_io_read8-1227290be331b7c7.d [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] failed to write `/opt/rustwide/target/debug/.fingerprint/hello_async-1227290be331b7c7/dep-bin-tokio_io_read8` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] No space left on device (os error 28) [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: 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 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] [stderr] error: could not compile `hello_async` (bin "tokio_stream_fib" test); 1 warning emitted [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] No space left on device (os error 28) [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] failed to parse process output: `/opt/rustwide/rustup-home/toolchains/8365fcb2b840c95eeb0bc377af8bd498fad22245/bin/rustc --crate-name tokio_stream_fib --edition=2018 src/bin/tokio_stream_fib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=fae909d68bc274b3 -C extra-filename=-f4bcecf8c5bb3f72 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-41e58f2d365914c0.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-f3b732b8c015e696.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-4bbe87d7c9004e8c.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-bd7eb356c974abb8.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-5b7148c56b0eeb1f.rmeta --extern tokio_core=/opt/rustwide/target/debug/deps/libtokio_core-9e0b2efccbae20bf.rmeta --extern tokio_io=/opt/rustwide/target/debug/deps/libtokio_io-2f82046f6a6bddf6.rmeta --cap-lints=forbid` (exit status: 0) [INFO] [stderr] error: could not compile `hello_async` (bin "tokio_async_read" test); 1 warning emitted [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] No space left on device (os error 28) [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] failed to parse process output: `/opt/rustwide/rustup-home/toolchains/8365fcb2b840c95eeb0bc377af8bd498fad22245/bin/rustc --crate-name tokio_async_read --edition=2018 src/bin/tokio_async_read.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=39870d1353f81047 -C extra-filename=-a4f932465e8b0da6 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-41e58f2d365914c0.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-f3b732b8c015e696.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-4bbe87d7c9004e8c.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-bd7eb356c974abb8.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-5b7148c56b0eeb1f.rmeta --extern tokio_core=/opt/rustwide/target/debug/deps/libtokio_core-9e0b2efccbae20bf.rmeta --extern tokio_io=/opt/rustwide/target/debug/deps/libtokio_io-2f82046f6a6bddf6.rmeta --cap-lints=forbid` (exit status: 1) [INFO] [stderr] error: could not compile `hello_async` (bin "tokio_functional"); 1 warning emitted [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] No space left on device (os error 28) [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] failed to parse process output: `/opt/rustwide/rustup-home/toolchains/8365fcb2b840c95eeb0bc377af8bd498fad22245/bin/rustc --crate-name tokio_functional --edition=2018 src/bin/tokio_functional.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=5c28e02a08b93dc9 -C extra-filename=-e106505c488b18e2 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-41e58f2d365914c0.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-f3b732b8c015e696.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-4bbe87d7c9004e8c.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-bd7eb356c974abb8.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-5b7148c56b0eeb1f.rmeta --extern tokio_core=/opt/rustwide/target/debug/deps/libtokio_core-9e0b2efccbae20bf.rmeta --extern tokio_io=/opt/rustwide/target/debug/deps/libtokio_io-2f82046f6a6bddf6.rmeta --cap-lints=forbid` (exit status: 0) [INFO] running `Command { std: "docker" "inspect" "43ecc3b64cff2c9dd36e4844c9d2ce5dafec32901311f981e554ce3661f3eefc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "43ecc3b64cff2c9dd36e4844c9d2ce5dafec32901311f981e554ce3661f3eefc", kill_on_drop: false }` [INFO] [stdout] 43ecc3b64cff2c9dd36e4844c9d2ce5dafec32901311f981e554ce3661f3eefc