[INFO] crate promising-future 0.2.4 is already in cache
[INFO] testing promising-future-0.2.4 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate promising-future 0.2.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate promising-future 0.2.4 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate promising-future 0.2.4
[INFO] finished tweaking crates.io crate promising-future 0.2.4
[INFO] tweaked toml for crates.io crate promising-future 0.2.4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c8ad630c3d093de2242cbb7228592ed40569376896895d5f4a623c0a6581032
[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" "1c8ad630c3d093de2242cbb7228592ed40569376896895d5f4a623c0a6581032", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c8ad630c3d093de2242cbb7228592ed40569376896895d5f4a623c0a6581032", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c8ad630c3d093de2242cbb7228592ed40569376896895d5f4a623c0a6581032", kill_on_drop: false }`
[INFO] [stdout] 1c8ad630c3d093de2242cbb7228592ed40569376896895d5f4a623c0a6581032
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e77c48c5863059df7ff37a98f095d4865fee0069bf9a035a37cb55e9390a562
[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" "2e77c48c5863059df7ff37a98f095d4865fee0069bf9a035a37cb55e9390a562", kill_on_drop: false }`
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling promising-future v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fnbox.rs:10:29
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub type Thunk<'a, P> = Box<FnBox<P> + Send + 'a>;
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<P> + Send + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.95s
[INFO] running `Command { std: "docker" "inspect" "2e77c48c5863059df7ff37a98f095d4865fee0069bf9a035a37cb55e9390a562", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e77c48c5863059df7ff37a98f095d4865fee0069bf9a035a37cb55e9390a562", kill_on_drop: false }`
[INFO] [stdout] 2e77c48c5863059df7ff37a98f095d4865fee0069bf9a035a37cb55e9390a562
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", 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] ee9fb6b5311cbda9f8830b2771de2e4718e805a3395c3ca1c2efc5db31fc2d05
[INFO] running `Command { std: "docker" "start" "-a" "ee9fb6b5311cbda9f8830b2771de2e4718e805a3395c3ca1c2efc5db31fc2d05", kill_on_drop: false }`
[INFO] [stderr]    Compiling promising-future v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fnbox.rs:10:29
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub type Thunk<'a, P> = Box<FnBox<P> + Send + 'a>;
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<P> + Send + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fnbox.rs:10:29
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub type Thunk<'a, P> = Box<FnBox<P> + Send + 'a>;
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<P> + Send + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred
[INFO] [stdout]    --> tests/tests.rs:520:29
[INFO] [stdout]     |
[INFO] [stdout] 520 |     let futcount = Arc::new(ATOMIC_USIZE_INIT);
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `AtomicUsize::new(0)`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred
[INFO] [stdout]    --> tests/tests.rs:514:29
[INFO] [stdout]     |
[INFO] [stdout] 514 |     use std::sync::atomic::{ATOMIC_USIZE_INIT, Ordering};
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.94s
[INFO] running `Command { std: "docker" "inspect" "ee9fb6b5311cbda9f8830b2771de2e4718e805a3395c3ca1c2efc5db31fc2d05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee9fb6b5311cbda9f8830b2771de2e4718e805a3395c3ca1c2efc5db31fc2d05", kill_on_drop: false }`
[INFO] [stdout] ee9fb6b5311cbda9f8830b2771de2e4718e805a3395c3ca1c2efc5db31fc2d05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 79dbed62daedd3c4d4e4eace80b31cc8cb0f49af3cfb3393308b9a3051ce7be2
[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" "79dbed62daedd3c4d4e4eace80b31cc8cb0f49af3cfb3393308b9a3051ce7be2", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fnbox.rs:10:29
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub type Thunk<'a, P> = Box<FnBox<P> + Send + 'a>;
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<P> + Send + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fnbox.rs:10:29
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub type Thunk<'a, P> = Box<FnBox<P> + Send + 'a>;
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<P> + Send + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> tests/tests.rs:520:29
[INFO] [stderr]     |
[INFO] [stderr] 520 |     let futcount = Arc::new(ATOMIC_USIZE_INIT);
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `AtomicUsize::new(0)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> tests/tests.rs:514:29
[INFO] [stderr]     |
[INFO] [stderr] 514 |     use std::sync::atomic::{ATOMIC_USIZE_INIT, Ordering};
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/promising_future-86004192ba05ace1
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/criterion-1a84f7023441923b
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mpsc-59a7694488ee3017
[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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test buffer ... ok
[INFO] [stdout] test txdrop ... ok
[INFO] [stdout] test sync0_txdrop ... ok
[INFO] [stdout] test sync_basic ... ok
[INFO] [stdout] test sync_rxdrop ... ok
[INFO] [stdout] test sync_buffer ... ok
[INFO] [stdout] test sync0_basic ... ok
[INFO] [stdout] test rxdrop ... ok
[INFO] [stdout] test sync0_rxdrop ... ok
[INFO] [stdout] test basic ... ok
[INFO] [stdout] test sync_txdrop ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tests-ec8b5ff4f6f5e927
[INFO] [stdout] 
[INFO] [stdout] running 35 tests
[INFO] [stdout] test canceled ... ok
[INFO] [stdout] test drop ... ok
[INFO] [stdout] test iter_none ... ok
[INFO] [stdout] test poll ... ok
[INFO] [stdout] test double_waiter ... ok
[INFO] [stdout] test iter_one ... ok
[INFO] [stdout] test simple ... ok
[INFO] [stdout] test never_all ... ok
[INFO] [stdout] test then_chain ... ok
[INFO] [stdout] test testall ... ok
[INFO] [stdout] test then_opt_chain ... ok
[INFO] [stdout] test then_simple ... ok
[INFO] [stdout] test then_drop ... ok
[INFO] [stdout] test chain_push ... ok
[INFO] [stdout] test never_chain ... ok
[INFO] [stdout] test wait_all_abandoned ... ok
[INFO] [stdout] test chain ... ok
[INFO] [stdout] test drop_wait ... ok
[INFO] [stdout] test pool::tp_chain_with ... ok
[INFO] [stdout] test drop_chain ... ok
[INFO] [stdout] test wait_stream_all_abandoned ... ok
[INFO] [stdout] test all_wait ... ok
[INFO] [stdout] test all_drop_wait ... ok
[INFO] [stdout] test wait ... ok
[INFO] [stdout] test pool::tp_all_with ... ok
[INFO] [stdout] test wait_any ... ok
[INFO] [stdout] test stress_fp_waiter ... ok
[INFO] [stdout] test stress_fp ... ok
[INFO] [stdout] test wait_any_abandoned ... ok
[INFO] [stdout] test wait_abandoned ... ok
[INFO] [stdout] test wait_all ... ok
[INFO] [stdout] test wait_stream_abandoned ... ok
[INFO] [stdout] test wait_stream_all ... ok
[INFO] [stdout] test sync_waiter ... ok
[INFO] [stdout] test stress_fp_callback ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 35 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests promising-future
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test src/lib.rs - Future<T>::value (line 200) ... ok
[INFO] [stdout] test src/lib.rs - Future<T>::never (line 157) ... ok
[INFO] [stdout] test src/lib.rs - Future<T>::then_opt (line 225) ... ok
[INFO] [stdout] test src/future.rs - future::future_promise (line 334) ... ok
[INFO] [stdout] test src/future.rs - future::Future<T>::with_value (line 39) ... ok
[INFO] [stdout] test src/lib.rs - Future<T>::with_value (line 141) ... ok
[INFO] [stdout] test src/lib.rs - Future<T>::poll (line 177) ... ok
[INFO] [stdout] test src/future.rs - future::Future<T>::callback (line 212) ... ok
[INFO] [stdout] test src/future.rs - future::Future<T>::never (line 55) ... ok
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] test src/lib.rs - Future<T>::callback (line 273) ... ok
[INFO] [stdout] test src/future.rs - future::Future<T>::poll (line 75) ... ok
[INFO] [stdout] test src/future.rs - future::Future<T>::then_opt (line 157) ... ok
[INFO] [stdout] test src/futurestream.rs - futurestream::FutureStreamWaiter (line 32) ... ok
[INFO] [stdout] test src/future.rs - future::Future<T>::value (line 117) ... ok
[INFO] [stdout] test src/lib.rs - future_promise (line 404) ... ok
[INFO] [stdout] test src/promise.rs - promise::Promise<T>::canceled (line 46) ... ok
[INFO] [stdout] test src/lib.rs - Promise<T>::canceled (line 371) ... ok
[INFO] [stdout] test src/futurestream.rs - futurestream::FutureStreamWaiter (line 50) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "79dbed62daedd3c4d4e4eace80b31cc8cb0f49af3cfb3393308b9a3051ce7be2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79dbed62daedd3c4d4e4eace80b31cc8cb0f49af3cfb3393308b9a3051ce7be2", kill_on_drop: false }`
[INFO] [stdout] 79dbed62daedd3c4d4e4eace80b31cc8cb0f49af3cfb3393308b9a3051ce7be2