[INFO] fetching crate switchyard 0.2.1...
[INFO] testing switchyard-0.2.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate switchyard 0.2.1 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate switchyard 0.2.1 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 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-20/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-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 4890ae5d41e9118c3ba7d0b6a66a57675a29df7e3797532bc31d765124f4df1d
[INFO] running `Command { std: "docker" "start" "-a" "4890ae5d41e9118c3ba7d0b6a66a57675a29df7e3797532bc31d765124f4df1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4890ae5d41e9118c3ba7d0b6a66a57675a29df7e3797532bc31d765124f4df1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4890ae5d41e9118c3ba7d0b6a66a57675a29df7e3797532bc31d765124f4df1d", kill_on_drop: false }`
[INFO] [stdout] 4890ae5d41e9118c3ba7d0b6a66a57675a29df7e3797532bc31d765124f4df1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 3636e483b78769de4c5a7c1d98ee2814751052d884d07113cf8dd93cf716859e
[INFO] running `Command { std: "docker" "start" "-a" "3636e483b78769de4c5a7c1d98ee2814751052d884d07113cf8dd93cf716859e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling hashbrown v0.11.2
[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 errno v0.2.7
[INFO] [stderr]    Compiling num_cpus v1.13.0
[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 4.37s
[INFO] running `Command { std: "docker" "inspect" "3636e483b78769de4c5a7c1d98ee2814751052d884d07113cf8dd93cf716859e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3636e483b78769de4c5a7c1d98ee2814751052d884d07113cf8dd93cf716859e", kill_on_drop: false }`
[INFO] [stdout] 3636e483b78769de4c5a7c1d98ee2814751052d884d07113cf8dd93cf716859e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] d323b7e30d66559224a3ad261fe41800540ee8ba896a10b37567a6ccf3287b51
[INFO] running `Command { std: "docker" "start" "-a" "d323b7e30d66559224a3ad261fe41800540ee8ba896a10b37567a6ccf3287b51", 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] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling semver v1.0.4
[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 futures-io v0.3.17
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling fastrand v1.5.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling slab v0.4.4
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling futures-sink v0.3.17
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.7
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling spin v0.9.2
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling socket2 v0.4.1
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling async-mutex v1.4.0
[INFO] [stderr]    Compiling async-lock v2.4.0
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling async-channel v1.6.1
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling nanorand v0.6.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[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 tinytemplate v1.2.1
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling async-executor v1.4.1
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling futures-executor v0.3.17
[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 v2.1.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling async-io v1.6.0
[INFO] [stderr]    Compiling pin-project v1.0.8
[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 50.96s
[INFO] running `Command { std: "docker" "inspect" "d323b7e30d66559224a3ad261fe41800540ee8ba896a10b37567a6ccf3287b51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d323b7e30d66559224a3ad261fe41800540ee8ba896a10b37567a6ccf3287b51", kill_on_drop: false }`
[INFO] [stdout] d323b7e30d66559224a3ad261fe41800540ee8ba896a10b37567a6ccf3287b51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 6145f5a2c56079370c1719c51738c88aaeedb42ec70d7c1ce190c6bd3c315d49
[INFO] running `Command { std: "docker" "start" "-a" "6145f5a2c56079370c1719c51738c88aaeedb42ec70d7c1ce190c6bd3c315d49", 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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/switchyard-a9bfb1a9634a720a)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/interface.rs (/opt/rustwide/target/debug/deps/interface-eeee819674334658)
[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] [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 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/panic.rs (/opt/rustwide/target/debug/deps/panic-29de2c4c0ab4f7dc)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test continue_from_panicking_future ... ok
[INFO] [stdout] test panicking_function - should panic ... ok
[INFO] [stdout] test panicking_local_future - should panic ... ok
[INFO] [stdout] test panicking_future - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/simple.rs (/opt/rustwide/target/debug/deps/simple-75ffe15635756e2f)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test single_waiting_task ... ok
[INFO] [stdout] test wait_for_idle_stalled ... ok
[INFO] [stdout] test single_local_task ... ok
[INFO] [stdout] test access_per_thread_data ... ok
[INFO] [stdout] test multi_tasks ... ok
[INFO] [stdout] test single_local_waiting_task ... ok
[INFO] [stdout] test single_task ... 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-d8a80ad7d0f33912)
[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 0.49s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/ub.rs (/opt/rustwide/target/debug/deps/ub-ce84c8b623b78976)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stderr]    Doc-tests switchyard
[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 0.05s
[INFO] [stdout] 
[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 - (line 68) ... 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 - Switchyard<TD>::access_per_thread_data (line 569) ... 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 3.28s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6145f5a2c56079370c1719c51738c88aaeedb42ec70d7c1ce190c6bd3c315d49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6145f5a2c56079370c1719c51738c88aaeedb42ec70d7c1ce190c6bd3c315d49", kill_on_drop: false }`
[INFO] [stdout] 6145f5a2c56079370c1719c51738c88aaeedb42ec70d7c1ce190c6bd3c315d49