[INFO] fetching crate async-slot 0.1.0... [INFO] testing async-slot-0.1.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041 [INFO] extracting crate async-slot 0.1.0 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate async-slot 0.1.0 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate async-slot 0.1.0 [INFO] finished tweaking crates.io crate async-slot 0.1.0 [INFO] tweaked toml for crates.io crate async-slot 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", 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] 67a132562630dbd590ec07977ebb870958a26e17e6fdfb23d65bbb9e8230c162 [INFO] running `Command { std: "docker" "start" "-a" "67a132562630dbd590ec07977ebb870958a26e17e6fdfb23d65bbb9e8230c162", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "67a132562630dbd590ec07977ebb870958a26e17e6fdfb23d65bbb9e8230c162", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "67a132562630dbd590ec07977ebb870958a26e17e6fdfb23d65bbb9e8230c162", kill_on_drop: false }` [INFO] [stdout] 67a132562630dbd590ec07977ebb870958a26e17e6fdfb23d65bbb9e8230c162 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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] 6deb9154e36657f66a11734838a6a939b5e589aee39af4c4df87a8f265d6c560 [INFO] running `Command { std: "docker" "start" "-a" "6deb9154e36657f66a11734838a6a939b5e589aee39af4c4df87a8f265d6c560", kill_on_drop: false }` [INFO] [stderr] Compiling futures v0.1.31 [INFO] [stderr] Compiling async-slot v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.24s [INFO] running `Command { std: "docker" "inspect" "6deb9154e36657f66a11734838a6a939b5e589aee39af4c4df87a8f265d6c560", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6deb9154e36657f66a11734838a6a939b5e589aee39af4c4df87a8f265d6c560", kill_on_drop: false }` [INFO] [stdout] 6deb9154e36657f66a11734838a6a939b5e589aee39af4c4df87a8f265d6c560 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e67d97752291efd4efcf7ad90d061084c14622565568b090fa4230c2e45f9c5b [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" "e67d97752291efd4efcf7ad90d061084c14622565568b090fa4230c2e45f9c5b", kill_on_drop: false }` [INFO] [stderr] Compiling async-slot v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> tests/slot.rs:203:22 [INFO] [stdout] | [INFO] [stdout] 203 | fn list() -> Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `tx` is never read [INFO] [stdout] --> tests/slot.rs:139:9 [INFO] [stdout] | [INFO] [stdout] 139 | tx = tx.send(2).wait().unwrap(); [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.20s [INFO] running `Command { std: "docker" "inspect" "e67d97752291efd4efcf7ad90d061084c14622565568b090fa4230c2e45f9c5b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e67d97752291efd4efcf7ad90d061084c14622565568b090fa4230c2e45f9c5b", kill_on_drop: false }` [INFO] [stdout] e67d97752291efd4efcf7ad90d061084c14622565568b090fa4230c2e45f9c5b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 8ca53c30164dd847b10a1c9e9f885398400cbec52a401d0484156d842ee1ab4e [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" "8ca53c30164dd847b10a1c9e9f885398400cbec52a401d0484156d842ee1ab4e", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> tests/slot.rs:203:22 [INFO] [stderr] | [INFO] [stderr] 203 | fn list() -> Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: value assigned to `tx` is never read [INFO] [stderr] --> tests/slot.rs:139:9 [INFO] [stderr] | [INFO] [stderr] 139 | tx = tx.send(2).wait().unwrap(); [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/async_slot-4b532cb3e6cab431) [INFO] [stdout] [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] Running tests/slot.rs (/opt/rustwide/target/debug/deps/slot-0d4de078a1cd70d1) [INFO] [stdout] [INFO] [stdout] running 12 tests [INFO] [stdout] test send_error ... ok [INFO] [stdout] test swap ... ok [INFO] [stdout] test is_canceled ... ok [INFO] [stdout] test poll_cancel ... ok [INFO] [stdout] test send_recv_threads ... ok [INFO] [stdout] test send_recv_no_buffer ... ok [INFO] [stdout] test send_recv ... ok [INFO] [stdout] test tx_close_gets_none ... ok [INFO] [stdout] test send_shared_recv ... ok [INFO] [stdout] test stress_shared_bounded_hard ... ok [INFO] [stdout] test send_recv_threads_no_capacity ... ok [INFO] [stdout] test stress_drop_sender ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.91s [INFO] [stdout] [INFO] [stderr] Running tests/slot-unsync.rs (/opt/rustwide/target/debug/deps/slot_unsync-10a62991692241e0) [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test send_shared_recv ... ok [INFO] [stdout] test swap ... ok [INFO] [stdout] test tx_close_gets_none ... ok [INFO] [stdout] test send_recv ... ok [INFO] [stdout] test poll_cancel ... ok [INFO] [stdout] test is_canceled ... ok [INFO] [stdout] test send_recv_no_buffer ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] Doc-tests async-slot [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test src/unsync.rs - unsync::channel (line 193) ... ok [INFO] [stdout] test src/lib.rs - (line 22) ... ok [INFO] [stdout] test src/sync.rs - sync::channel (line 213) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.59s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "8ca53c30164dd847b10a1c9e9f885398400cbec52a401d0484156d842ee1ab4e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8ca53c30164dd847b10a1c9e9f885398400cbec52a401d0484156d842ee1ab4e", kill_on_drop: false }` [INFO] [stdout] 8ca53c30164dd847b10a1c9e9f885398400cbec52a401d0484156d842ee1ab4e