[INFO] fetching crate futures-test-preview 0.3.0-alpha.19...
[INFO] testing futures-test-preview-0.3.0-alpha.19 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate futures-test-preview 0.3.0-alpha.19 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate futures-test-preview 0.3.0-alpha.19
[INFO] finished tweaking crates.io crate futures-test-preview 0.3.0-alpha.19
[INFO] tweaked toml for crates.io crate futures-test-preview 0.3.0-alpha.19 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate futures-test-preview 0.3.0-alpha.19 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 13 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4bc503edfbdad3f3647b810f841ed1a3e5c156644ce68d8f8bbdead0ca135fa2
[INFO] running `Command { std: "docker" "start" "-a" "4bc503edfbdad3f3647b810f841ed1a3e5c156644ce68d8f8bbdead0ca135fa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4bc503edfbdad3f3647b810f841ed1a3e5c156644ce68d8f8bbdead0ca135fa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bc503edfbdad3f3647b810f841ed1a3e5c156644ce68d8f8bbdead0ca135fa2", kill_on_drop: false }`
[INFO] [stdout] 4bc503edfbdad3f3647b810f841ed1a3e5c156644ce68d8f8bbdead0ca135fa2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2828c2c124a46832fd78b3f5649ba81c520cc149460d6ec76a49f523b3eed109
[INFO] running `Command { std: "docker" "start" "-a" "2828c2c124a46832fd78b3f5649ba81c520cc149460d6ec76a49f523b3eed109", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-test-preview v0.3.0-alpha.19 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.24s
[INFO] running `Command { std: "docker" "inspect" "2828c2c124a46832fd78b3f5649ba81c520cc149460d6ec76a49f523b3eed109", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2828c2c124a46832fd78b3f5649ba81c520cc149460d6ec76a49f523b3eed109", kill_on_drop: false }`
[INFO] [stdout] 2828c2c124a46832fd78b3f5649ba81c520cc149460d6ec76a49f523b3eed109
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24be438130a9e8b25cab0b504fb1fa195a4755feccc01b8af799ba743626de2b
[INFO] running `Command { std: "docker" "start" "-a" "24be438130a9e8b25cab0b504fb1fa195a4755feccc01b8af799ba743626de2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-test-preview v0.3.0-alpha.19 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "24be438130a9e8b25cab0b504fb1fa195a4755feccc01b8af799ba743626de2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24be438130a9e8b25cab0b504fb1fa195a4755feccc01b8af799ba743626de2b", kill_on_drop: false }`
[INFO] [stdout] 24be438130a9e8b25cab0b504fb1fa195a4755feccc01b8af799ba743626de2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7b5d5bb58ef5bbf46419f35dadfb8abf4bf4dac80ba922f23fe21e238947b78b
[INFO] running `Command { std: "docker" "start" "-a" "7b5d5bb58ef5bbf46419f35dadfb8abf4bf4dac80ba922f23fe21e238947b78b", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/futures_test-f2957769c79f92e8)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test future::assert_unmoved::tests::dont_panic_when_not_polled ... ok
[INFO] [stdout] test future::assert_unmoved::tests::dont_double_panic - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests futures_test
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test src/future/mod.rs - future::FutureTestExt::pending_once (line 37) ... ok
[INFO] [stdout] test src/assert.rs - assert::assert_stream_next (line 47) ... ok
[INFO] [stdout] test src/assert.rs - assert::assert_stream_done (line 89) ... ok
[INFO] [stdout] test src/assert.rs - assert::assert_stream_pending (line 11) ... ok
[INFO] [stdout] test src/future/mod.rs - future::FutureTestExt::interleave_pending (line 88) ... ok
[INFO] [stdout] test src/io/read/mod.rs - io::read::AsyncReadTestExt::interleave_pending (line 15) ... ok
[INFO] [stdout] test src/future/mod.rs - future::FutureTestExt::run_in_background (line 63) ... ok
[INFO] [stdout] test src/io/read/mod.rs - io::read::AsyncReadTestExt::limited (line 79) ... ok
[INFO] [stdout] test src/io/read/mod.rs - io::read::AsyncReadTestExt::interleave_pending (line 45) ... ok
[INFO] [stdout] test src/io/write/mod.rs - io::write::AsyncWriteTestExt::limited_write (line 55) ... ok
[INFO] [stdout] test src/task/noop_spawner.rs - task::noop_spawner::NoopSpawner (line 9) ... ok
[INFO] [stdout] test src/task/context.rs - task::context::noop_context (line 24) ... ok
[INFO] [stdout] test src/task/context.rs - task::context::panic_context (line 9) ... ok
[INFO] [stdout] test src/task/noop_spawner.rs - task::noop_spawner::noop_spawner_mut (line 47) ... ok
[INFO] [stdout] test src/stream/mod.rs - stream::StreamTestExt::interleave_pending (line 14) ... ok
[INFO] [stdout] test src/io/write/mod.rs - io::write::AsyncWriteTestExt::interleave_pending_write (line 15) ... ok
[INFO] [stdout] test src/task/panic_spawner.rs - task::panic_spawner::PanicSpawner (line 9) ... ok
[INFO] [stdout] test src/task/panic_waker.rs - task::panic_waker::panic_waker (line 32) ... ok
[INFO] [stdout] test src/task/panic_spawner.rs - task::panic_spawner::panic_spawner_mut (line 48) ... ok
[INFO] [stdout] test src/task/record_spawner.rs - task::record_spawner::RecordSpawner (line 9) ... ok
[INFO] [stdout] test src/task/panic_waker.rs - task::panic_waker::panic_waker_ref (line 48) ... ok
[INFO] [stdout] test src/task/wake_counter.rs - task::wake_counter::new_count_waker (line 44) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.38s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7b5d5bb58ef5bbf46419f35dadfb8abf4bf4dac80ba922f23fe21e238947b78b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b5d5bb58ef5bbf46419f35dadfb8abf4bf4dac80ba922f23fe21e238947b78b", kill_on_drop: false }`
[INFO] [stdout] 7b5d5bb58ef5bbf46419f35dadfb8abf4bf4dac80ba922f23fe21e238947b78b