[INFO] fetching crate mio_tcp_loop 0.1.17... [INFO] testing mio_tcp_loop-0.1.17 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1 [INFO] extracting crate mio_tcp_loop 0.1.17 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate mio_tcp_loop 0.1.17 [INFO] finished tweaking crates.io crate mio_tcp_loop 0.1.17 [INFO] tweaked toml for crates.io crate mio_tcp_loop 0.1.17 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate mio_tcp_loop 0.1.17 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 22 packages to latest compatible versions [INFO] [stderr] Adding mio v0.6.23 (available: v1.0.4) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6e66b9a00b627c5b84dae17d00a68957e7caa5c67672d704d7ec800c91ba395e [INFO] running `Command { std: "docker" "start" "-a" "6e66b9a00b627c5b84dae17d00a68957e7caa5c67672d704d7ec800c91ba395e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6e66b9a00b627c5b84dae17d00a68957e7caa5c67672d704d7ec800c91ba395e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6e66b9a00b627c5b84dae17d00a68957e7caa5c67672d704d7ec800c91ba395e", kill_on_drop: false }` [INFO] [stdout] 6e66b9a00b627c5b84dae17d00a68957e7caa5c67672d704d7ec800c91ba395e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 027c85e158a0422187bb62b183753cfe208ec272b1d9a9a04fd43b80377f6338 [INFO] running `Command { std: "docker" "start" "-a" "027c85e158a0422187bb62b183753cfe208ec272b1d9a9a04fd43b80377f6338", kill_on_drop: false }` [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling kaniexpect v0.1.3 [INFO] [stderr] Compiling anyhow v1.0.100 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling net2 v0.2.39 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling mio-extras v2.0.6 [INFO] [stderr] Compiling mio_tcp_loop v0.1.17 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `anyhow::anyhow` [INFO] [stdout] --> src/lib.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use anyhow::anyhow; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `debug` [INFO] [stdout] --> src/lib.rs:10:11 [INFO] [stdout] | [INFO] [stdout] 10 | use log::{debug, info, trace, error}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.14s [INFO] running `Command { std: "docker" "inspect" "027c85e158a0422187bb62b183753cfe208ec272b1d9a9a04fd43b80377f6338", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "027c85e158a0422187bb62b183753cfe208ec272b1d9a9a04fd43b80377f6338", kill_on_drop: false }` [INFO] [stdout] 027c85e158a0422187bb62b183753cfe208ec272b1d9a9a04fd43b80377f6338 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 60b9221015b350733e9d595b694950eb47e735266977c71a374db40f0d4f7476 [INFO] running `Command { std: "docker" "start" "-a" "60b9221015b350733e9d595b694950eb47e735266977c71a374db40f0d4f7476", kill_on_drop: false }` [INFO] [stderr] Compiling mio_tcp_loop v0.1.17 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `anyhow::anyhow` [INFO] [stdout] --> src/lib.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use anyhow::anyhow; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `debug` [INFO] [stdout] --> src/lib.rs:10:11 [INFO] [stdout] | [INFO] [stdout] 10 | use log::{debug, info, trace, error}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `anyhow::anyhow` [INFO] [stdout] --> src/lib.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use anyhow::anyhow; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `debug` [INFO] [stdout] --> src/lib.rs:10:11 [INFO] [stdout] | [INFO] [stdout] 10 | use log::{debug, info, trace, error}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.80s [INFO] running `Command { std: "docker" "inspect" "60b9221015b350733e9d595b694950eb47e735266977c71a374db40f0d4f7476", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "60b9221015b350733e9d595b694950eb47e735266977c71a374db40f0d4f7476", kill_on_drop: false }` [INFO] [stdout] 60b9221015b350733e9d595b694950eb47e735266977c71a374db40f0d4f7476 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 24cabbb3d44124e61656c9e39644a26730f3337bd395ec39571e34865c1a9929 [INFO] running `Command { std: "docker" "start" "-a" "24cabbb3d44124e61656c9e39644a26730f3337bd395ec39571e34865c1a9929", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `anyhow::anyhow` [INFO] [stderr] --> src/lib.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use anyhow::anyhow; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `debug` [INFO] [stderr] --> src/lib.rs:10:11 [INFO] [stderr] | [INFO] [stderr] 10 | use log::{debug, info, trace, error}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `mio_tcp_loop` (lib) generated 2 warnings (run `cargo fix --lib -p mio_tcp_loop` to apply 2 suggestions) [INFO] [stderr] warning: `mio_tcp_loop` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.55s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mio_tcp_loop-302438f4dfb09743) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::it_works ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- tests::it_works stdout ---- [INFO] [stdout] Error: receiving on a closed channel [INFO] [stdout] [INFO] [stdout] Stack backtrace: [INFO] [stdout] 0: anyhow::error:: for anyhow::Error>::from [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/backtrace.rs:27:14 [INFO] [stdout] 1: as core::ops::try_trait::FromResidual>>::from_residual [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/result.rs:2174:27 [INFO] [stdout] 2: mio_tcp_loop::TcpStreamThread::recv [INFO] [stdout] at ./src/lib.rs:95:22 [INFO] [stdout] 3: mio_tcp_loop::tests::it_works [INFO] [stdout] at ./src/lib.rs:460:29 [INFO] [stdout] 4: mio_tcp_loop::tests::it_works::{{closure}} [INFO] [stdout] at ./src/lib.rs:456:22 [INFO] [stdout] 5: core::ops::function::FnOnce::call_once [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/ops/function.rs:253:5 [INFO] [stdout] 6: core::ops::function::FnOnce::call_once [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/ops/function.rs:253:5 [INFO] [stdout] 7: test::__rust_begin_short_backtrace [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/test/src/lib.rs:663:18 [INFO] [stdout] 8: test::run_test_in_process::{{closure}} [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/test/src/lib.rs:686:74 [INFO] [stdout] 9: as core::ops::function::FnOnce<()>>::call_once [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 10: std::panicking::catch_unwind::do_call [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:590:40 [INFO] [stdout] 11: std::panicking::catch_unwind [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:553:19 [INFO] [stdout] 12: std::panic::catch_unwind [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panic.rs:359:14 [INFO] [stdout] 13: test::run_test_in_process [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/test/src/lib.rs:686:27 [INFO] [stdout] 14: test::run_test::{{closure}} [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/test/src/lib.rs:607:43 [INFO] [stdout] 15: test::run_test::{{closure}} [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/test/src/lib.rs:637:41 [INFO] [stdout] 16: std::sys::backtrace::__rust_begin_short_backtrace [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/sys/backtrace.rs:158:18 [INFO] [stdout] 17: std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}} [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/thread/mod.rs:559:17 [INFO] [stdout] 18: as core::ops::function::FnOnce<()>>::call_once [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 19: std::panicking::catch_unwind::do_call [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:590:40 [INFO] [stdout] 20: std::panicking::catch_unwind [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:553:19 [INFO] [stdout] 21: std::panic::catch_unwind [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panic.rs:359:14 [INFO] [stdout] 22: std::thread::Builder::spawn_unchecked_::{{closure}} [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/thread/mod.rs:557:30 [INFO] [stdout] 23: core::ops::function::FnOnce::call_once{{vtable.shim}} [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/ops/function.rs:253:5 [INFO] [stdout] 24: as core::ops::function::FnOnce>::call_once [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/alloc/src/boxed.rs:1971:9 [INFO] [stdout] 25: std::sys::pal::unix::thread::Thread::new::thread_start [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/sys/pal/unix/thread.rs:107:17 [INFO] [stdout] 26: [INFO] [stdout] 27: clone [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] tests::it_works [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass `--lib` [INFO] running `Command { std: "docker" "inspect" "24cabbb3d44124e61656c9e39644a26730f3337bd395ec39571e34865c1a9929", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "24cabbb3d44124e61656c9e39644a26730f3337bd395ec39571e34865c1a9929", kill_on_drop: false }` [INFO] [stdout] 24cabbb3d44124e61656c9e39644a26730f3337bd395ec39571e34865c1a9929