[INFO] fetching crate async-slot 0.1.0... [INFO] testing async-slot-0.1.0 against 1.55.0 for beta-1.56-1 [INFO] extracting crate async-slot 0.1.0 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate async-slot 0.1.0 on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-8/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 409a371789ab43b5305af732f50d782c57f896afa35502c00d8665837f0130a3 [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" "409a371789ab43b5305af732f50d782c57f896afa35502c00d8665837f0130a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "409a371789ab43b5305af732f50d782c57f896afa35502c00d8665837f0130a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "409a371789ab43b5305af732f50d782c57f896afa35502c00d8665837f0130a3", kill_on_drop: false }` [INFO] [stdout] 409a371789ab43b5305af732f50d782c57f896afa35502c00d8665837f0130a3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 57d8eaf3f7ab6e89e2197ad0dc028e8f112841b28c426e3d7aeaf39b4615a993 [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" "57d8eaf3f7ab6e89e2197ad0dc028e8f112841b28c426e3d7aeaf39b4615a993", kill_on_drop: false }` [INFO] [stderr] Compiling async-slot v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.14s [INFO] running `Command { std: "docker" "inspect" "57d8eaf3f7ab6e89e2197ad0dc028e8f112841b28c426e3d7aeaf39b4615a993", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "57d8eaf3f7ab6e89e2197ad0dc028e8f112841b28c426e3d7aeaf39b4615a993", kill_on_drop: false }` [INFO] [stdout] 57d8eaf3f7ab6e89e2197ad0dc028e8f112841b28c426e3d7aeaf39b4615a993 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6405a6509169154345ce27d6bc796a6bc26111a554dbff0e5e8fff93c3d5013e [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" "6405a6509169154345ce27d6bc796a6bc26111a554dbff0e5e8fff93c3d5013e", 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 3.36s [INFO] running `Command { std: "docker" "inspect" "6405a6509169154345ce27d6bc796a6bc26111a554dbff0e5e8fff93c3d5013e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6405a6509169154345ce27d6bc796a6bc26111a554dbff0e5e8fff93c3d5013e", kill_on_drop: false }` [INFO] [stdout] 6405a6509169154345ce27d6bc796a6bc26111a554dbff0e5e8fff93c3d5013e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 3b3bf91a235df3e263ff94f451326b87762c11b5f31505659fd822d8aebb3cf8 [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" "3b3bf91a235df3e263ff94f451326b87762c11b5f31505659fd822d8aebb3cf8", 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: `async-slot` (test "slot") generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/async_slot-f8c941040fbf5cf2) [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-71eaed599f403b33) [INFO] [stdout] [INFO] [stdout] running 12 tests [INFO] [stdout] test poll_cancel ... ok [INFO] [stdout] test send_error ... ok [INFO] [stdout] test send_recv_no_buffer ... ok [INFO] [stdout] test swap ... ok [INFO] [stdout] test is_canceled ... ok [INFO] [stdout] test tx_close_gets_none ... ok [INFO] [stdout] test send_recv ... ok [INFO] [stdout] test send_shared_recv ... ok [INFO] [stdout] test send_recv_threads ... ok [INFO] [stdout] test send_recv_threads_no_capacity ... ok [INFO] [stdout] test stress_shared_bounded_hard ... ok [INFO] [stderr] Running tests/slot-unsync.rs (/opt/rustwide/target/debug/deps/slot_unsync-4ceb084f5b154361) [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 21.17s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test send_recv ... ok [INFO] [stdout] test send_recv_no_buffer ... ok [INFO] [stdout] test tx_close_gets_none ... ok [INFO] [stdout] test swap ... ok [INFO] [stdout] test send_shared_recv ... ok [INFO] [stderr] Doc-tests async-slot [INFO] [stdout] test is_canceled ... ok [INFO] [stdout] test poll_cancel ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test src/unsync.rs - unsync::channel (line 193) ... ok [INFO] [stdout] test src/sync.rs - sync::channel (line 213) ... ok [INFO] [stdout] test src/lib.rs - (line 22) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.37s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "3b3bf91a235df3e263ff94f451326b87762c11b5f31505659fd822d8aebb3cf8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b3bf91a235df3e263ff94f451326b87762c11b5f31505659fd822d8aebb3cf8", kill_on_drop: false }` [INFO] [stdout] 3b3bf91a235df3e263ff94f451326b87762c11b5f31505659fd822d8aebb3cf8