[INFO] fetching crate switchyard 0.2.1...
[INFO] testing switchyard-0.2.1 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate switchyard 0.2.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate switchyard 0.2.1 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nanorand v0.5.2
[INFO] [stderr]   Downloaded affinity v0.1.1
[INFO] [stderr]   Downloaded flume v0.10.7
[INFO] [stderr]   Downloaded arrayvec v0.7.1
[INFO] [stderr]   Downloaded slotmap v1.0.5
[INFO] [stderr]   Downloaded spinning_top v0.2.4
[INFO] [stderr]   Downloaded priority-queue v1.1.1
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d32173a2c92036c32d5458234e601de69edfa6952045ff02cff654ee2a546d3a
[INFO] running `Command { std: "docker" "start" "-a" "d32173a2c92036c32d5458234e601de69edfa6952045ff02cff654ee2a546d3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d32173a2c92036c32d5458234e601de69edfa6952045ff02cff654ee2a546d3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d32173a2c92036c32d5458234e601de69edfa6952045ff02cff654ee2a546d3a", kill_on_drop: false }`
[INFO] [stdout] d32173a2c92036c32d5458234e601de69edfa6952045ff02cff654ee2a546d3a
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 593a239d45d0e7aa70ac3c9276e11728920daaa1337ce36efc7d25f2a7413618
[INFO] running `Command { std: "docker" "start" "-a" "593a239d45d0e7aa70ac3c9276e11728920daaa1337ce36efc7d25f2a7413618", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling arrayvec v0.7.1
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling priority-queue v1.1.1
[INFO] [stderr]    Compiling slotmap v1.0.5
[INFO] [stderr]    Compiling errno v0.2.7
[INFO] [stderr]    Compiling affinity v0.1.1
[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 3.36s
[INFO] running `Command { std: "docker" "inspect" "593a239d45d0e7aa70ac3c9276e11728920daaa1337ce36efc7d25f2a7413618", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "593a239d45d0e7aa70ac3c9276e11728920daaa1337ce36efc7d25f2a7413618", kill_on_drop: false }`
[INFO] [stdout] 593a239d45d0e7aa70ac3c9276e11728920daaa1337ce36efc7d25f2a7413618
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c6abeb703656e7ba58f1d0c5a0c9c161d446e9eeecc84870d1735745f9ae17e
[INFO] running `Command { std: "docker" "start" "-a" "8c6abeb703656e7ba58f1d0c5a0c9c161d446e9eeecc84870d1735745f9ae17e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling fastrand v1.4.1
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling futures-io v0.3.15
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling futures-sink v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.7
[INFO] [stderr]    Compiling spinning_top v0.2.4
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling clap v2.33.3
[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 async-channel v1.6.1
[INFO] [stderr]    Compiling nanorand v0.5.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling async-executor v1.4.1
[INFO] [stderr]    Compiling futures-executor v0.3.15
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling polling v2.1.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling async-io v1.6.0
[INFO] [stderr]    Compiling pin-project v1.0.7
[INFO] [stderr]    Compiling flume v0.10.7
[INFO] [stderr]    Compiling async-global-executor v2.0.2
[INFO] [stderr]    Compiling async-std v1.9.0
[INFO] [stderr]    Compiling criterion v0.3.4
[INFO] [stderr]    Compiling switchyard v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 52.49s
[INFO] running `Command { std: "docker" "inspect" "8c6abeb703656e7ba58f1d0c5a0c9c161d446e9eeecc84870d1735745f9ae17e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c6abeb703656e7ba58f1d0c5a0c9c161d446e9eeecc84870d1735745f9ae17e", kill_on_drop: false }`
[INFO] [stdout] 8c6abeb703656e7ba58f1d0c5a0c9c161d446e9eeecc84870d1735745f9ae17e
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c618b0bb0355a6060314ebcbc59700eeba2b9c57501e2c962a5589f9b50621fb
[INFO] running `Command { std: "docker" "start" "-a" "c618b0bb0355a6060314ebcbc59700eeba2b9c57501e2c962a5589f9b50621fb", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/switchyard-30c5e4004002009c)
[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-54b86074b7beea01)
[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 spawn_finished - should panic ... ok
[INFO] [stdout] test invalid_pool_spawn - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/panic.rs (/opt/rustwide/target/debug/deps/panic-c94da73c4a52b66e)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test panicking_future - should panic ... ok
[INFO] [stdout] test continue_from_panicking_future ... ok
[INFO] [stdout] test panicking_local_future - should panic ... ok
[INFO] [stderr]      Running tests/simple.rs (/opt/rustwide/target/debug/deps/simple-9438ecbcd92ba6b2)
[INFO] [stdout] test panicking_function - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test single_local_task ... ok
[INFO] [stdout] test single_local_waiting_task ... ok
[INFO] [stdout] test single_waiting_task ... ok
[INFO] [stdout] test wait_for_idle_stalled ... ok
[INFO] [stdout] test multi_tasks ... ok
[INFO] [stdout] test single_task ... ok
[INFO] [stdout] test access_per_thread_data ... ok
[INFO] [stderr]      Running tests/threads.rs (/opt/rustwide/target/debug/deps/threads-f918f55b4a93128a)
[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 0.10s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/ub.rs (/opt/rustwide/target/debug/deps/ub-eb7004766c51dfc1)
[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 0.77s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test held_thread_local_data ... ok
[INFO] [stdout] test immediate_wake ... 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 - Switchyard<TD>::spawn (line 387) ... ok
[INFO] [stdout] test src/lib.rs - Switchyard<TD>::spawn_local (line 451) ... ok
[INFO] [stdout] test src/lib.rs - Switchyard<TD>::access_per_thread_data (line 569) ... ok
[INFO] [stdout] test src/lib.rs - (line 32) ... ok
[INFO] [stdout] test src/lib.rs - (line 68) ... ok
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] test src/lib.rs - (line 47) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.27s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c618b0bb0355a6060314ebcbc59700eeba2b9c57501e2c962a5589f9b50621fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c618b0bb0355a6060314ebcbc59700eeba2b9c57501e2c962a5589f9b50621fb", kill_on_drop: false }`
[INFO] [stdout] c618b0bb0355a6060314ebcbc59700eeba2b9c57501e2c962a5589f9b50621fb