[INFO] fetching crate promising-future 0.2.4...
[INFO] testing promising-future-0.2.4 against 1.55.0 for beta-1.56-1
[INFO] extracting crate promising-future 0.2.4 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate promising-future 0.2.4 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 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-3/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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] e526bf6a573b94d7773791f832384f2359a8dc1dc5fea7b74ce8ee6313c20fc4
[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" "e526bf6a573b94d7773791f832384f2359a8dc1dc5fea7b74ce8ee6313c20fc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e526bf6a573b94d7773791f832384f2359a8dc1dc5fea7b74ce8ee6313c20fc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e526bf6a573b94d7773791f832384f2359a8dc1dc5fea7b74ce8ee6313c20fc4", kill_on_drop: false }`
[INFO] [stdout] e526bf6a573b94d7773791f832384f2359a8dc1dc5fea7b74ce8ee6313c20fc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 531d05d1800ba525c4d37bb8ff107c7faea2cf4460212a06a84c8942a6c298a8
[INFO] running `Command { std: "docker" "start" "-a" "531d05d1800ba525c4d37bb8ff107c7faea2cf4460212a06a84c8942a6c298a8", 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]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "531d05d1800ba525c4d37bb8ff107c7faea2cf4460212a06a84c8942a6c298a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "531d05d1800ba525c4d37bb8ff107c7faea2cf4460212a06a84c8942a6c298a8", kill_on_drop: false }`
[INFO] [stdout] 531d05d1800ba525c4d37bb8ff107c7faea2cf4460212a06a84c8942a6c298a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8e376e1911093cbb956310bfd31e1a13629a6f3bc5a8a3fb2ee9c65ccff42098
[INFO] running `Command { std: "docker" "start" "-a" "8e376e1911093cbb956310bfd31e1a13629a6f3bc5a8a3fb2ee9c65ccff42098", kill_on_drop: false }`
[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]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling promising-future v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `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 constant: `AtomicUsize::new(0)`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `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: 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]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 1.97s
[INFO] running `Command { std: "docker" "inspect" "8e376e1911093cbb956310bfd31e1a13629a6f3bc5a8a3fb2ee9c65ccff42098", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e376e1911093cbb956310bfd31e1a13629a6f3bc5a8a3fb2ee9c65ccff42098", kill_on_drop: false }`
[INFO] [stdout] 8e376e1911093cbb956310bfd31e1a13629a6f3bc5a8a3fb2ee9c65ccff42098
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 91088b1f92819a55f4fa40d006656e20b25e7599dd8883ecfe8a896eb42452fd
[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" "91088b1f92819a55f4fa40d006656e20b25e7599dd8883ecfe8a896eb42452fd", 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]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: `promising-future` (lib) generated 1 warning
[INFO] [stderr] warning: `promising-future` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr] warning: use of deprecated constant `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 constant: `AtomicUsize::new(0)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `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: `promising-future` (test "tests") generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/promising_future-64f1ddf3ec18e0df)
[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/criterion.rs (/opt/rustwide/target/debug/deps/criterion-79a2c69d3903253b)
[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/mpsc.rs (/opt/rustwide/target/debug/deps/mpsc-0b9ddd2414fe1775)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test basic ... ok
[INFO] [stdout] test buffer ... ok
[INFO] [stdout] test rxdrop ... ok
[INFO] [stdout] test sync0_rxdrop ... ok
[INFO] [stdout] test sync0_txdrop ... ok
[INFO] [stdout] test sync_basic ... ok
[INFO] [stdout] test sync_buffer ... ok
[INFO] [stdout] test sync0_basic ... ok
[INFO] [stdout] test sync_rxdrop ... ok
[INFO] [stdout] test sync_txdrop ... ok
[INFO] [stdout] test txdrop ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-553f9bf1817fd2cf)
[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 chain_push ... ok
[INFO] [stdout] test iter_one ... ok
[INFO] [stdout] test double_waiter ... ok
[INFO] [stdout] test simple ... ok
[INFO] [stdout] test poll ... ok
[INFO] [stdout] test then_chain ... ok
[INFO] [stdout] test testall ... ok
[INFO] [stdout] test never_chain ... ok
[INFO] [stdout] test then_drop ... ok
[INFO] [stdout] test then_opt_chain ... ok
[INFO] [stdout] test never_all ... ok
[INFO] [stdout] test then_simple ... ok
[INFO] [stdout] test wait_all_abandoned ... ok
[INFO] [stdout] test stress_fp_waiter ... ok
[INFO] [stdout] test all_drop_wait ... ok
[INFO] [stdout] test chain ... ok
[INFO] [stdout] test all_wait ... ok
[INFO] [stdout] test drop_wait ... ok
[INFO] [stdout] test pool::tp_all_with ... ok
[INFO] [stdout] test drop_chain ... ok
[INFO] [stdout] test wait_stream_all_abandoned ... ok
[INFO] [stdout] test pool::tp_chain_with ... ok
[INFO] [stdout] test wait_any ... ok
[INFO] [stdout] test wait ... 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 stress_fp_callback ... ok
[INFO] [stdout] test sync_waiter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 35 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.10s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests promising-future
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name promising_future --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern promising_future=/opt/rustwide/target/debug/deps/libpromising_future-6622f456e21c8dbb.rlib --extern threadpool=/opt/rustwide/target/debug/deps/libthreadpool-4642810a21eb3dca.rlib -C embed-bitcode=no --cfg 'feature="default"' --cfg 'feature="threadpool"' --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "91088b1f92819a55f4fa40d006656e20b25e7599dd8883ecfe8a896eb42452fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91088b1f92819a55f4fa40d006656e20b25e7599dd8883ecfe8a896eb42452fd", kill_on_drop: false }`
[INFO] [stdout] 91088b1f92819a55f4fa40d006656e20b25e7599dd8883ecfe8a896eb42452fd