[INFO] fetching crate tokio-lk 0.2.2... [INFO] testing tokio-lk-0.2.2 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2 [INFO] extracting crate tokio-lk 0.2.2 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate tokio-lk 0.2.2 [INFO] finished tweaking crates.io crate tokio-lk 0.2.2 [INFO] tweaked toml for crates.io crate tokio-lk 0.2.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate tokio-lk 0.2.2 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 47 packages to latest compatible versions [INFO] [stderr] Adding crossbeam v0.7.3 (available: v0.8.4) [INFO] [stderr] Adding dashmap v3.11.10 (available: v6.1.0) [INFO] [stderr] Adding hashbrown v0.7.2 (available: v0.17.0) [INFO] [stderr] Adding tokio v0.2.25 (available: v1.52.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9b53264155ddc5a47328675162e992aff3db225347966774d848a4ebc290c621 [INFO] running `Command { std: "docker" "start" "-a" "9b53264155ddc5a47328675162e992aff3db225347966774d848a4ebc290c621", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9b53264155ddc5a47328675162e992aff3db225347966774d848a4ebc290c621", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9b53264155ddc5a47328675162e992aff3db225347966774d848a4ebc290c621", kill_on_drop: false }` [INFO] [stdout] 9b53264155ddc5a47328675162e992aff3db225347966774d848a4ebc290c621 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 53d94b7967b6437e59f82f8546dd1a9048661554026906995af90515aa697fe7 [INFO] running `Command { std: "docker" "start" "-a" "53d94b7967b6437e59f82f8546dd1a9048661554026906995af90515aa697fe7", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling tiny-keccak v2.0.2 [INFO] [stderr] Compiling crunchy v0.2.4 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling getrandom v0.2.17 [INFO] [stderr] Compiling futures-core v0.3.32 [INFO] [stderr] Compiling futures-sink v0.3.32 [INFO] [stderr] Compiling futures-macro v0.3.32 [INFO] [stderr] Compiling hashbrown v0.7.2 [INFO] [stderr] Compiling futures-channel v0.3.32 [INFO] [stderr] Compiling tokio-macros v0.2.6 [INFO] [stderr] Compiling num_cpus v1.17.0 [INFO] [stderr] Compiling bytes v0.5.6 [INFO] [stderr] Compiling pin-project-lite v0.1.12 [INFO] [stderr] Compiling const-random-macro v0.1.16 [INFO] [stderr] Compiling tokio v0.2.25 [INFO] [stderr] Compiling futures-util v0.3.32 [INFO] [stderr] Compiling crossbeam-channel v0.4.4 [INFO] [stderr] Compiling crossbeam-queue v0.2.3 [INFO] [stderr] Compiling const-random v0.1.18 [INFO] [stderr] Compiling ahash v0.3.8 [INFO] [stderr] Compiling crossbeam-deque v0.7.4 [INFO] [stderr] Compiling crossbeam v0.7.3 [INFO] [stderr] Compiling futures-executor v0.3.32 [INFO] [stderr] Compiling futures v0.3.32 [INFO] [stderr] Compiling tokio-lk v0.2.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:66:18 [INFO] [stdout] | [INFO] [stdout] 66 | #![feature(test, specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `AssertSync` is never used [INFO] [stdout] --> src/atomic_serial_waker.rs:32:15 [INFO] [stdout] | [INFO] [stdout] 32 | trait AssertSync: Sync {} [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: feature `test` is declared but not used [INFO] [stdout] --> src/lib.rs:66:12 [INFO] [stdout] | [INFO] [stdout] 66 | #![feature(test, specialization)] [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.70s [INFO] running `Command { std: "docker" "inspect" "53d94b7967b6437e59f82f8546dd1a9048661554026906995af90515aa697fe7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "53d94b7967b6437e59f82f8546dd1a9048661554026906995af90515aa697fe7", kill_on_drop: false }` [INFO] [stdout] 53d94b7967b6437e59f82f8546dd1a9048661554026906995af90515aa697fe7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2b8d751b425e37d09c3adc0f1179837e9c3c4bedf422ceaf5e6db36a97a8bb1b [INFO] running `Command { std: "docker" "start" "-a" "2b8d751b425e37d09c3adc0f1179837e9c3c4bedf422ceaf5e6db36a97a8bb1b", kill_on_drop: false }` [INFO] [stderr] Compiling tokio-lk v0.2.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:66:18 [INFO] [stdout] | [INFO] [stdout] 66 | #![feature(test, specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `AssertSync` is never used [INFO] [stdout] --> src/atomic_serial_waker.rs:32:15 [INFO] [stdout] | [INFO] [stdout] 32 | trait AssertSync: Sync {} [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: feature `test` is declared but not used [INFO] [stdout] --> src/lib.rs:66:12 [INFO] [stdout] | [INFO] [stdout] 66 | #![feature(test, specialization)] [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:66:18 [INFO] [stdout] | [INFO] [stdout] 66 | #![feature(test, specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `AssertSync` is never used [INFO] [stdout] --> src/atomic_serial_waker.rs:32:15 [INFO] [stdout] | [INFO] [stdout] 32 | trait AssertSync: Sync {} [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.99s [INFO] running `Command { std: "docker" "inspect" "2b8d751b425e37d09c3adc0f1179837e9c3c4bedf422ceaf5e6db36a97a8bb1b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2b8d751b425e37d09c3adc0f1179837e9c3c4bedf422ceaf5e6db36a97a8bb1b", kill_on_drop: false }` [INFO] [stdout] 2b8d751b425e37d09c3adc0f1179837e9c3c4bedf422ceaf5e6db36a97a8bb1b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 3cd35f62dd5da29f67619a43e924325c411edb152f857b50f3fbff76ab2af54a [INFO] running `Command { std: "docker" "start" "-a" "3cd35f62dd5da29f67619a43e924325c411edb152f857b50f3fbff76ab2af54a", kill_on_drop: false }` [INFO] [stderr] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stderr] --> src/lib.rs:66:18 [INFO] [stderr] | [INFO] [stderr] 66 | #![feature(test, specialization)] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #31844 for more information [INFO] [stderr] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stderr] = note: `#[warn(incomplete_features)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait `AssertSync` is never used [INFO] [stderr] --> src/atomic_serial_waker.rs:32:15 [INFO] [stderr] | [INFO] [stderr] 32 | trait AssertSync: Sync {} [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: feature `test` is declared but not used [INFO] [stderr] --> src/lib.rs:66:12 [INFO] [stderr] | [INFO] [stderr] 66 | #![feature(test, specialization)] [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `tokio-lk` (lib) generated 3 warnings [INFO] [stderr] warning: `tokio-lk` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tokio_lk-3d7775d556a5c577) [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test test::test_drop ... ok [INFO] [stdout] test test::test_poll ... ok [INFO] [stdout] test test::test_future_new_multiple ... ok [INFO] [stdout] test test::test_future_drop ... ok [INFO] [stdout] test test::test_future_multiple ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.60s [INFO] [stdout] [INFO] [stderr] Doc-tests tokio_lk [INFO] [stderr] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stderr] --> src/lib.rs:66:18 [INFO] [stderr] | [INFO] [stderr] 66 | #![feature(test, specialization)] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #31844 for more information [INFO] [stderr] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stderr] = note: `#[warn(incomplete_features)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 21) - compile ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.20s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "3cd35f62dd5da29f67619a43e924325c411edb152f857b50f3fbff76ab2af54a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3cd35f62dd5da29f67619a43e924325c411edb152f857b50f3fbff76ab2af54a", kill_on_drop: false }` [INFO] [stdout] 3cd35f62dd5da29f67619a43e924325c411edb152f857b50f3fbff76ab2af54a