[INFO] fetching crate unicycle 0.7.0...
[INFO] testing unicycle-0.7.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate unicycle 0.7.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate unicycle 0.7.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate unicycle 0.7.0
[INFO] finished tweaking crates.io crate unicycle 0.7.0
[INFO] tweaked toml for crates.io crate unicycle 0.7.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b3c02e59bd08e9e6ebe1059b59533e40fb7a17dd913d831db9e4e836a663e7ad
[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" "b3c02e59bd08e9e6ebe1059b59533e40fb7a17dd913d831db9e4e836a663e7ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3c02e59bd08e9e6ebe1059b59533e40fb7a17dd913d831db9e4e836a663e7ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3c02e59bd08e9e6ebe1059b59533e40fb7a17dd913d831db9e4e836a663e7ad", kill_on_drop: false }`
[INFO] [stdout] b3c02e59bd08e9e6ebe1059b59533e40fb7a17dd913d831db9e4e836a663e7ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e051f60485c1794964134f85e6e39d2d2558808623fd96a3596ac42338fb250
[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" "7e051f60485c1794964134f85e6e39d2d2558808623fd96a3596ac42338fb250", kill_on_drop: false }`
[INFO] [stderr]    Compiling uniset v0.2.0
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling unicycle v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.52s
[INFO] running `Command { std: "docker" "inspect" "7e051f60485c1794964134f85e6e39d2d2558808623fd96a3596ac42338fb250", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e051f60485c1794964134f85e6e39d2d2558808623fd96a3596ac42338fb250", kill_on_drop: false }`
[INFO] [stdout] 7e051f60485c1794964134f85e6e39d2d2558808623fd96a3596ac42338fb250
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e042715d4b8e5ff744ca83e683721c93ee408ab183a0ac7e57b0890ebb0955bb
[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" "e042715d4b8e5ff744ca83e683721c93ee408ab183a0ac7e57b0890ebb0955bb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling atom v0.3.6
[INFO] [stderr]    Compiling checkers-macros v0.5.1
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling tokio v0.2.24
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling checkers v0.5.6
[INFO] [stderr]    Compiling futures-executor v0.3.8
[INFO] [stderr]    Compiling hibitset v0.6.3
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling futures v0.3.8
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling unicycle v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 38.60s
[INFO] running `Command { std: "docker" "inspect" "e042715d4b8e5ff744ca83e683721c93ee408ab183a0ac7e57b0890ebb0955bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e042715d4b8e5ff744ca83e683721c93ee408ab183a0ac7e57b0890ebb0955bb", kill_on_drop: false }`
[INFO] [stdout] e042715d4b8e5ff744ca83e683721c93ee408ab183a0ac7e57b0890ebb0955bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 29bcbb63fe245ebd577fe9789d59b9fe4d5dc6f09173d350a6759b491bbb3aa7
[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" "29bcbb63fe245ebd577fe9789d59b9fe4d5dc6f09173d350a6759b491bbb3aa7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/unicycle-ed8399c47f3ee312
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test pin_slab::tests::key_test ... ok
[INFO] [stdout] test pin_slab::tests::test_slot_sizes ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/benchmark_test-ff3a9a0121019fc4
[INFO] [stdout] test pin_slab::tests::insert_get_remove_many ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/spinning_futures_unordered_test-797e74af66430b7c
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test benchmark_oneshots_unicycle ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sporadic_timer_test-efac7ae5fbd778af
[INFO] [stdout] test test_spinning_unordered ... ok
[INFO] [stdout] test test_spinning_futures_unordered ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_futures_sporadic_timers ... ok
[INFO] [stdout] test test_unicycle_sporadic_timers ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/stream_test-837732de4a78a844
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests unicycle
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_unicycle_streams ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test src/lib.rs - Unordered (line 342) ... ok
[INFO] [stdout] test src/lib.rs - FuturesUnordered (line 195) ... ok
[INFO] [stdout] test src/lib.rs - StreamsUnordered (line 761) ... ok
[INFO] [stdout] test src/lib.rs - IndexedStreamsUnordered (line 791) ... ok
[INFO] [stdout] test src/lib.rs - Unordered<T, S>::push (line 574) ... ok
[INFO] [stdout] test src/pin_slab.rs - pin_slab (line 11) ... ok
[INFO] [stdout] test src/pin_slab.rs - pin_slab::PinSlab<T>::clear (line 259) ... ok
[INFO] [stdout] test src/lib.rs - FuturesUnordered<T>::new (line 443) ... ok
[INFO] [stdout] test src/pin_slab.rs - pin_slab::PinSlab<T>::get_mut (line 150) ... ok
[INFO] [stdout] test src/pin_slab.rs - pin_slab::PinSlab<T>::is_empty (line 99) ... ok
[INFO] [stdout] test src/pin_slab.rs - pin_slab::PinSlab<T>::get (line 133) ... ok
[INFO] [stdout] test src/pin_slab.rs - pin_slab::PinSlab<T>::len (line 83) ... ok
[INFO] [stdout] test src/pin_slab.rs - pin_slab::PinSlab<T>::new (line 61) ... ok
[INFO] [stdout] test src/pin_slab.rs - pin_slab::PinSlab<T>::remove (line 216) ... ok
[INFO] [stdout] test src/lib.rs - StreamsUnordered<T>::new (line 824) ... ok
[INFO] [stdout] test src/lib.rs - IndexedStreamsUnordered<F>::new (line 859) ... ok
[INFO] [stdout] test src/lib.rs - Unordered<T, S>::is_empty (line 554) ... ok
[INFO] [stdout] test src/lib.rs - Unordered<T, S>::get_mut (line 645) ... ok
[INFO] [stdout] test src/lib.rs - Unordered<T, S>::get_pin_mut (line 619) ... ok
[INFO] [stdout] test src/lib.rs - (line 37) ... ok
[INFO] [stdout] test src/lib.rs - Unordered<T, S>::next (line 400) ... ok
[INFO] [stdout] test src/lib.rs - (line 60) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "29bcbb63fe245ebd577fe9789d59b9fe4d5dc6f09173d350a6759b491bbb3aa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29bcbb63fe245ebd577fe9789d59b9fe4d5dc6f09173d350a6759b491bbb3aa7", kill_on_drop: false }`
[INFO] [stdout] 29bcbb63fe245ebd577fe9789d59b9fe4d5dc6f09173d350a6759b491bbb3aa7