[INFO] fetching crate switchyard 0.2.1...
[INFO] testing switchyard-0.2.1 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate switchyard 0.2.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate switchyard 0.2.1 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 21108fc736d66995ff7c03e8ee7a0ca80a072b7e8afb5fd6a2a22ad07bf0e104
[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" "21108fc736d66995ff7c03e8ee7a0ca80a072b7e8afb5fd6a2a22ad07bf0e104", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21108fc736d66995ff7c03e8ee7a0ca80a072b7e8afb5fd6a2a22ad07bf0e104", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21108fc736d66995ff7c03e8ee7a0ca80a072b7e8afb5fd6a2a22ad07bf0e104", kill_on_drop: false }`
[INFO] [stdout] 21108fc736d66995ff7c03e8ee7a0ca80a072b7e8afb5fd6a2a22ad07bf0e104
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96192e4e506fe543c12f2c7e27cc1a33f28de91e263f6dfc0722257d8348c3b3
[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" "96192e4e506fe543c12f2c7e27cc1a33f28de91e263f6dfc0722257d8348c3b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling futures-task v0.3.16
[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 instant v0.1.10
[INFO] [stderr]    Compiling slotmap v1.0.5
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[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 parking_lot v0.11.1
[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 10.83s
[INFO] running `Command { std: "docker" "inspect" "96192e4e506fe543c12f2c7e27cc1a33f28de91e263f6dfc0722257d8348c3b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96192e4e506fe543c12f2c7e27cc1a33f28de91e263f6dfc0722257d8348c3b3", kill_on_drop: false }`
[INFO] [stdout] 96192e4e506fe543c12f2c7e27cc1a33f28de91e263f6dfc0722257d8348c3b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ed83fc806922e96ccad7f42ab72f94b92028030de006ef14e9026bbf184a00b
[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" "5ed83fc806922e96ccad7f42ab72f94b92028030de006ef14e9026bbf184a00b", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling futures-sink v0.3.16
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.7
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling spinning_top v0.2.4
[INFO] [stderr]    Compiling socket2 v0.4.1
[INFO] [stderr]    Compiling async-channel v1.6.1
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling nanorand v0.5.2
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling async-executor v1.4.1
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling futures-executor v0.3.16
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling log v0.4.14
[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 v0.10.7
[INFO] [stderr]    Compiling async-global-executor v2.0.2
[INFO] [stderr]    Compiling async-std v1.9.0
[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 2m 07s
[INFO] running `Command { std: "docker" "inspect" "5ed83fc806922e96ccad7f42ab72f94b92028030de006ef14e9026bbf184a00b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ed83fc806922e96ccad7f42ab72f94b92028030de006ef14e9026bbf184a00b", kill_on_drop: false }`
[INFO] [stdout] 5ed83fc806922e96ccad7f42ab72f94b92028030de006ef14e9026bbf184a00b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", 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] e0b6124241fceacc04572c91feaf976cd814ad05f1bb1c372225bab4f21157ac
[INFO] running `Command { std: "docker" "start" "-a" "e0b6124241fceacc04572c91feaf976cd814ad05f1bb1c372225bab4f21157ac", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/switchyard-d0e9e33cf311feec)
[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-19a0c522dd3ee055)
[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 0.11s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/panic.rs (/opt/rustwide/target/debug/deps/panic-0f905ded8a09810d)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test panicking_future - should panic ... ok
[INFO] [stdout] test panicking_function - should panic ... ok
[INFO] [stdout] test continue_from_panicking_future ... 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 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/simple.rs (/opt/rustwide/target/debug/deps/simple-b250f167ae706ad8)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test single_waiting_task ... ok
[INFO] [stdout] test multi_tasks ... ok
[INFO] [stdout] test single_task ... ok
[INFO] [stdout] test access_per_thread_data ... ok
[INFO] [stdout] test single_local_task ... ok
[INFO] [stdout] test wait_for_idle_stalled ... ok
[INFO] [stdout] test single_local_waiting_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 0.13s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/threads.rs (/opt/rustwide/target/debug/deps/threads-66ac20cf0dcb1da7)
[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 0.59s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/ub.rs (/opt/rustwide/target/debug/deps/ub-82f778e37e3c33d0)
[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 0.01s
[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 - (line 47) ... ok
[INFO] [stdout] test src/lib.rs - (line 32) ... ok
[INFO] [stdout] test src/lib.rs - Switchyard<TD>::spawn_local (line 451) ... 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 - (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 6.69s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e0b6124241fceacc04572c91feaf976cd814ad05f1bb1c372225bab4f21157ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0b6124241fceacc04572c91feaf976cd814ad05f1bb1c372225bab4f21157ac", kill_on_drop: false }`
[INFO] [stdout] e0b6124241fceacc04572c91feaf976cd814ad05f1bb1c372225bab4f21157ac