[INFO] fetching crate switchyard 0.2.1...
[INFO] testing switchyard-0.2.1 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate switchyard 0.2.1 into /workspace/builds/worker-111/source
[INFO] validating manifest of crates.io crate switchyard 0.2.1 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate switchyard 0.2.1
[INFO] finished tweaking crates.io crate switchyard 0.2.1
[INFO] tweaked toml for crates.io crate switchyard 0.2.1 written to /workspace/builds/worker-111/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bebb932bfe1ff62cd25e147a203297e37d8bbeb20038b8b257f61ae48591983c
[INFO] running `Command { std: "docker" "start" "-a" "bebb932bfe1ff62cd25e147a203297e37d8bbeb20038b8b257f61ae48591983c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bebb932bfe1ff62cd25e147a203297e37d8bbeb20038b8b257f61ae48591983c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bebb932bfe1ff62cd25e147a203297e37d8bbeb20038b8b257f61ae48591983c", kill_on_drop: false }`
[INFO] [stdout] bebb932bfe1ff62cd25e147a203297e37d8bbeb20038b8b257f61ae48591983c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 323e65e4241af86a728ad2a585be5eda424456b05491d342e9b027fb3dc3bf1e
[INFO] running `Command { std: "docker" "start" "-a" "323e65e4241af86a728ad2a585be5eda424456b05491d342e9b027fb3dc3bf1e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling futures-task v0.3.18
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling priority-queue v1.2.1
[INFO] [stderr]    Compiling slotmap v1.0.6
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling errno v0.2.8
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling affinity v0.1.2
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling futures-intrusive v0.4.0
[INFO] [stderr]    Compiling switchyard v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.05s
[INFO] running `Command { std: "docker" "inspect" "323e65e4241af86a728ad2a585be5eda424456b05491d342e9b027fb3dc3bf1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "323e65e4241af86a728ad2a585be5eda424456b05491d342e9b027fb3dc3bf1e", kill_on_drop: false }`
[INFO] [stdout] 323e65e4241af86a728ad2a585be5eda424456b05491d342e9b027fb3dc3bf1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 844b04b3d3c41e0a0ae247a1753a68a297783bfb00ba0e03a44347a6b4b65832
[INFO] running `Command { std: "docker" "start" "-a" "844b04b3d3c41e0a0ae247a1753a68a297783bfb00ba0e03a44347a6b4b65832", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling futures-io v0.3.18
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling fastrand v1.5.0
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling futures-util v0.3.18
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling futures-sink v0.3.18
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.8
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling spin v0.9.2
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling socket2 v0.4.2
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling async-mutex v1.4.0
[INFO] [stderr]    Compiling async-lock v2.4.0
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling async-channel v1.6.1
[INFO] [stderr]    Compiling nanorand v0.6.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling async-executor v1.4.1
[INFO] [stderr]    Compiling blocking v1.1.0
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling futures-executor v0.3.18
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling ctor v0.1.21
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling polling v2.2.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling async-io v1.6.0
[INFO] [stderr]    Compiling pin-project v1.0.8
[INFO] [stderr]    Compiling flume v0.10.9
[INFO] [stderr]    Compiling async-global-executor v2.0.2
[INFO] [stderr]    Compiling async-std v1.10.0
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling switchyard v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 19.83s
[INFO] running `Command { std: "docker" "inspect" "844b04b3d3c41e0a0ae247a1753a68a297783bfb00ba0e03a44347a6b4b65832", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "844b04b3d3c41e0a0ae247a1753a68a297783bfb00ba0e03a44347a6b4b65832", kill_on_drop: false }`
[INFO] [stdout] 844b04b3d3c41e0a0ae247a1753a68a297783bfb00ba0e03a44347a6b4b65832
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 46b836c8dd1e05130fe51c89fbb326041895b0f317c24a46488a62ea8fe84a29
[INFO] running `Command { std: "docker" "start" "-a" "46b836c8dd1e05130fe51c89fbb326041895b0f317c24a46488a62ea8fe84a29", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/switchyard-60da4e3a2bc4aa99)
[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/interface.rs (/opt/rustwide/target/debug/deps/interface-3352f224496816ea)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test too_many_pools ... ok
[INFO] [stdout] test too_few_pools ... ok
[INFO] [stdout] test insane_affinity - should panic ... ok
[INFO] [stdout] test invalid_pool_spawn - should panic ... ok
[INFO] [stdout] test spawn_finished - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/panic.rs (/opt/rustwide/target/debug/deps/panic-b47be7f49af0aec2)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test continue_from_panicking_future ... ok
[INFO] [stdout] test panicking_future - should panic ... ok
[INFO] [stdout] test panicking_function - should panic ... ok
[INFO] [stdout] test panicking_local_future - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/simple.rs (/opt/rustwide/target/debug/deps/simple-16c44f5cb47da5e8)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test single_waiting_task ... ok
[INFO] [stdout] test single_task ... ok
[INFO] [stdout] test single_local_waiting_task ... ok
[INFO] [stdout] test access_per_thread_data ... ok
[INFO] [stdout] test single_local_task ... ok
[INFO] [stdout] test multi_tasks ... ok
[INFO] [stdout] test wait_for_idle_stalled ... ok
[INFO] [stdout] test wait_for_idle ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/threads.rs (/opt/rustwide/target/debug/deps/threads-e303483d3a1decea)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test ten_thousand ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.35s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/ub.rs (/opt/rustwide/target/debug/deps/ub-3b7075c882f12994)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test immediate_wake ... ok
[INFO] [stdout] test held_thread_local_data ... ok
[INFO] [stdout] test held_waker ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests switchyard
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - (line 68) ... ok
[INFO] [stdout] test src/lib.rs - Switchyard<TD>::spawn (line 387) ... ok
[INFO] [stdout] test src/lib.rs - Switchyard<TD>::access_per_thread_data (line 569) ... ok
[INFO] [stdout] test src/lib.rs - Switchyard<TD>::spawn_local (line 451) ... ok
[INFO] [stdout] test src/lib.rs - (line 32) ... ok
[INFO] [stdout] test src/lib.rs - (line 47) ... ok
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.61s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "46b836c8dd1e05130fe51c89fbb326041895b0f317c24a46488a62ea8fe84a29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46b836c8dd1e05130fe51c89fbb326041895b0f317c24a46488a62ea8fe84a29", kill_on_drop: false }`
[INFO] [stdout] 46b836c8dd1e05130fe51c89fbb326041895b0f317c24a46488a62ea8fe84a29