[INFO] fetching crate simple-message-channels 0.2.0... [INFO] testing simple-message-channels-0.2.0 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530 [INFO] extracting crate simple-message-channels 0.2.0 into /workspace/builds/worker-14/source [INFO] validating manifest of crates.io crate simple-message-channels 0.2.0 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate simple-message-channels 0.2.0 [INFO] finished tweaking crates.io crate simple-message-channels 0.2.0 [INFO] tweaked toml for crates.io crate simple-message-channels 0.2.0 written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate crates.io crate simple-message-channels 0.2.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e05f0eb885caf4692b52aae95861485f430226dd2aa176f7e0e3c41ce1af20d4 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "e05f0eb885caf4692b52aae95861485f430226dd2aa176f7e0e3c41ce1af20d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e05f0eb885caf4692b52aae95861485f430226dd2aa176f7e0e3c41ce1af20d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e05f0eb885caf4692b52aae95861485f430226dd2aa176f7e0e3c41ce1af20d4", kill_on_drop: false }` [INFO] [stdout] e05f0eb885caf4692b52aae95861485f430226dd2aa176f7e0e3c41ce1af20d4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] eada8b4c6eef9e82a92ebbf7bf28f5ef5959e599918db5e16043d76648b3d435 [INFO] running `Command { std: "docker" "start" "-a" "eada8b4c6eef9e82a92ebbf7bf28f5ef5959e599918db5e16043d76648b3d435", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Compiling syn v1.0.8 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling scopeguard v1.0.0 [INFO] [stderr] Compiling proc-macro-nested v0.1.3 [INFO] [stderr] Compiling futures-core-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling futures-sink-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling futures-sink v0.3.1 [INFO] [stderr] Compiling futures-task v0.3.1 [INFO] [stderr] Compiling varinteger v1.0.6 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 [INFO] [stderr] Compiling crossbeam-epoch v0.8.0 [INFO] [stderr] Compiling async-macros v2.0.0 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling lock_api v0.3.2 [INFO] [stderr] Compiling futures-channel v0.3.1 [INFO] [stderr] Compiling crossbeam-utils v0.6.6 [INFO] [stderr] Compiling futures-util-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling futures-channel-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling kv-log-macro v1.0.4 [INFO] [stderr] Compiling async-task v1.0.0 [INFO] [stderr] Compiling smallvec v0.6.13 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling crossbeam-channel v0.4.0 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling memoffset v0.5.3 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling num_cpus v1.11.1 [INFO] [stderr] Compiling mio v0.6.20 [INFO] [stderr] Compiling crossbeam-deque v0.7.2 [INFO] [stderr] Compiling broadcaster v0.2.6 [INFO] [stderr] Compiling mio-uds v0.6.7 [INFO] [stderr] Compiling async-std v1.1.0 [INFO] [stderr] Compiling proc-macro-hack v0.5.11 [INFO] [stderr] Compiling futures-macro v0.3.1 [INFO] [stderr] Compiling futures-util v0.3.1 [INFO] [stderr] Compiling futures-executor v0.3.1 [INFO] [stderr] Compiling futures v0.3.1 [INFO] [stderr] Compiling simple-message-channels v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 28.94s [INFO] running `Command { std: "docker" "inspect" "eada8b4c6eef9e82a92ebbf7bf28f5ef5959e599918db5e16043d76648b3d435", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eada8b4c6eef9e82a92ebbf7bf28f5ef5959e599918db5e16043d76648b3d435", kill_on_drop: false }` [INFO] [stdout] eada8b4c6eef9e82a92ebbf7bf28f5ef5959e599918db5e16043d76648b3d435 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 14aa359ec8a9628a9791a6581667a5dae4cbe021715a6e48bb09a1cb0bd474b0 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "14aa359ec8a9628a9791a6581667a5dae4cbe021715a6e48bb09a1cb0bd474b0", kill_on_drop: false }` [INFO] [stderr] Compiling simple-message-channels v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> examples/tcp.rs:46:25 [INFO] [stdout] | [INFO] [stdout] 46 | _ => panic!(usage()), [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panic)]` on by default [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 46 | _ => panic!("{}", usage()), [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 46 | _ => std::panic::panic_any(usage()), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 7.04s [INFO] running `Command { std: "docker" "inspect" "14aa359ec8a9628a9791a6581667a5dae4cbe021715a6e48bb09a1cb0bd474b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "14aa359ec8a9628a9791a6581667a5dae4cbe021715a6e48bb09a1cb0bd474b0", kill_on_drop: false }` [INFO] [stdout] 14aa359ec8a9628a9791a6581667a5dae4cbe021715a6e48bb09a1cb0bd474b0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] f0309ea13150128885100b513d1ebe6fd2eb508ba53330b3edaf8e4e13ea90b7 [INFO] running `Command { std: "docker" "start" "-a" "f0309ea13150128885100b513d1ebe6fd2eb508ba53330b3edaf8e4e13ea90b7", kill_on_drop: false }` [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> examples/tcp.rs:46:25 [INFO] [stderr] | [INFO] [stderr] 46 | _ => panic!(usage()), [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_fmt_panic)]` on by default [INFO] [stderr] = note: this is no longer accepted in Rust 2021 [INFO] [stderr] help: add a "{}" format string to Display the message [INFO] [stderr] | [INFO] [stderr] 46 | _ => panic!("{}", usage()), [INFO] [stderr] | ^^^^^ [INFO] [stderr] help: or use std::panic::panic_any instead [INFO] [stderr] | [INFO] [stderr] 46 | _ => std::panic::panic_any(usage()), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/simple_message_channels-d9fa24862d4d5bca) [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests simple-message-channels [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/reader.rs - reader::Reader (line 17) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/reader.rs - reader::Reader (line 17) stdout ---- [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `io` [INFO] [stdout] --> src/reader.rs:19:13 [INFO] [stdout] | [INFO] [stdout] 5 | let stdin = io::stdin().lock().await; [INFO] [stdout] | ^^ use of undeclared crate or module `io` [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `text` in this scope [INFO] [stdout] --> src/reader.rs:23:71 [INFO] [stdout] | [INFO] [stdout] 9 | println!("Received: ch {} typ {} msg {:?}", msg.channel, msg.typ, text); [INFO] [stdout] | ^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks [INFO] [stdout] --> src/reader.rs:19:13 [INFO] [stdout] | [INFO] [stdout] 3 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_reader_rs_17_0() { [INFO] [stdout] | -------------------------------- this is not `async` [INFO] [stdout] 4 | use simple_message_channels::Reader; [INFO] [stdout] 5 | let stdin = io::stdin().lock().await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ only allowed inside `async` functions and blocks [INFO] [stdout] [INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks [INFO] [stdout] --> src/reader.rs:21:23 [INFO] [stdout] | [INFO] [stdout] 3 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_reader_rs_17_0() { [INFO] [stdout] | -------------------------------- this is not `async` [INFO] [stdout] ... [INFO] [stdout] 7 | while let Some(msg) = reader.next().await { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ only allowed inside `async` functions and blocks [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `next` found for struct `Reader<_>` in the current scope [INFO] [stdout] --> src/reader.rs:21:30 [INFO] [stdout] | [INFO] [stdout] 7 | while let Some(msg) = reader.next().await { [INFO] [stdout] | ^^^^ method not found in `Reader<_>` [INFO] [stdout] | [INFO] [stdout] = help: items from traits can only be used if the trait is in scope [INFO] [stdout] help: the following traits are implemented but not in scope; perhaps add a `use` for one of them: [INFO] [stdout] | [INFO] [stdout] 3 | use std::iter::Iterator; [INFO] [stdout] | [INFO] [stdout] 3 | use std::str::pattern::Searcher; [INFO] [stdout] | [INFO] [stdout] 3 | use async_std::stream::stream::StreamExt; [INFO] [stdout] | [INFO] [stdout] 3 | use futures_util::stream::StreamExt; [INFO] [stdout] | [INFO] [stdout] and 1 other candidate [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`) [INFO] [stdout] --> src/reader.rs:22:18 [INFO] [stdout] | [INFO] [stdout] 3 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_reader_rs_17_0() { [INFO] [stdout] | ______________________________________- [INFO] [stdout] 4 | | use simple_message_channels::Reader; [INFO] [stdout] 5 | | let stdin = io::stdin().lock().await; [INFO] [stdout] 6 | | let mut reader = Reader::new(stdin); [INFO] [stdout] 7 | | while let Some(msg) = reader.next().await { [INFO] [stdout] 8 | | let msg = msg?; [INFO] [stdout] | | ^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] 9 | | println!("Received: ch {} typ {} msg {:?}", msg.channel, msg.typ, text); [INFO] [stdout] 10 | | } [INFO] [stdout] 11 | | } _doctest_main_src_reader_rs_17_0() } [INFO] [stdout] | |_- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] | [INFO] [stdout] = help: the trait `FromResidual<_>` is not implemented for `()` [INFO] [stdout] = note: required by `from_residual` [INFO] [stdout] [INFO] [stdout] error: aborting due to 6 previous errors [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0425, E0433, E0599, E0728. [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/reader.rs - reader::Reader (line 17) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.52s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "f0309ea13150128885100b513d1ebe6fd2eb508ba53330b3edaf8e4e13ea90b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f0309ea13150128885100b513d1ebe6fd2eb508ba53330b3edaf8e4e13ea90b7", kill_on_drop: false }` [INFO] [stdout] f0309ea13150128885100b513d1ebe6fd2eb508ba53330b3edaf8e4e13ea90b7