[INFO] fetching crate async-rwlock 1.3.0...
[INFO] testing async-rwlock-1.3.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate async-rwlock 1.3.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate async-rwlock 1.3.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-rwlock 1.3.0
[INFO] finished tweaking crates.io crate async-rwlock 1.3.0
[INFO] tweaked toml for crates.io crate async-rwlock 1.3.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce4b8cda42d5ad76bf68d5ff97a086fa48bc7f7732ff7539ee6acc286f6ac78f
[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" "ce4b8cda42d5ad76bf68d5ff97a086fa48bc7f7732ff7539ee6acc286f6ac78f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce4b8cda42d5ad76bf68d5ff97a086fa48bc7f7732ff7539ee6acc286f6ac78f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce4b8cda42d5ad76bf68d5ff97a086fa48bc7f7732ff7539ee6acc286f6ac78f", kill_on_drop: false }`
[INFO] [stdout] ce4b8cda42d5ad76bf68d5ff97a086fa48bc7f7732ff7539ee6acc286f6ac78f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0cd5ff842995f752a990956b0b9da04e1e483b2364dae94b3c9169cd26d7cac2
[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" "0cd5ff842995f752a990956b0b9da04e1e483b2364dae94b3c9169cd26d7cac2", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-rwlock v1.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/lib.rs:370:23
[INFO] [stdout]     |
[INFO] [stdout] 370 |         if self.state.compare_and_swap(0, WRITER_BIT, Ordering::AcqRel) == 0 {
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/lib.rs:574:14
[INFO] [stdout]     |
[INFO] [stdout] 574 |             .compare_and_swap(ONE_READER, WRITER_BIT, Ordering::AcqRel)
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "0cd5ff842995f752a990956b0b9da04e1e483b2364dae94b3c9169cd26d7cac2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cd5ff842995f752a990956b0b9da04e1e483b2364dae94b3c9169cd26d7cac2", kill_on_drop: false }`
[INFO] [stdout] 0cd5ff842995f752a990956b0b9da04e1e483b2364dae94b3c9169cd26d7cac2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ccefc3ab87a39c67faa7bf992be4febbb685ef23aaa723ad5f14df6f2a08d89e
[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" "ccefc3ab87a39c67faa7bf992be4febbb685ef23aaa723ad5f14df6f2a08d89e", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling futures-io v0.3.18
[INFO] [stderr]    Compiling fastrand v1.5.0
[INFO] [stderr]    Compiling async-channel v1.6.1
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/lib.rs:370:23
[INFO] [stdout]     |
[INFO] [stdout] 370 |         if self.state.compare_and_swap(0, WRITER_BIT, Ordering::AcqRel) == 0 {
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/lib.rs:574:14
[INFO] [stdout]     |
[INFO] [stdout] 574 |             .compare_and_swap(ONE_READER, WRITER_BIT, Ordering::AcqRel)
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling async-rwlock v1.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/lib.rs:370:23
[INFO] [stdout]     |
[INFO] [stdout] 370 |         if self.state.compare_and_swap(0, WRITER_BIT, Ordering::AcqRel) == 0 {
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/lib.rs:574:14
[INFO] [stdout]     |
[INFO] [stdout] 574 |             .compare_and_swap(ONE_READER, WRITER_BIT, Ordering::AcqRel)
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.18s
[INFO] running `Command { std: "docker" "inspect" "ccefc3ab87a39c67faa7bf992be4febbb685ef23aaa723ad5f14df6f2a08d89e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccefc3ab87a39c67faa7bf992be4febbb685ef23aaa723ad5f14df6f2a08d89e", kill_on_drop: false }`
[INFO] [stdout] ccefc3ab87a39c67faa7bf992be4febbb685ef23aaa723ad5f14df6f2a08d89e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8f7ff67447d3dd4665d5efaa1d6b3e6c88a41ee5a7ed12b5e2d1fafc264aafac
[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" "8f7ff67447d3dd4665d5efaa1d6b3e6c88a41ee5a7ed12b5e2d1fafc264aafac", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout] running 0 tests
[INFO] [stderr]    --> src/lib.rs:370:23
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 370 |         if self.state.compare_and_swap(0, WRITER_BIT, Ordering::AcqRel) == 0 {
[INFO] [stdout] 
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]    --> src/lib.rs:574:14
[INFO] [stderr]     |
[INFO] [stderr] 574 |             .compare_and_swap(ONE_READER, WRITER_BIT, Ordering::AcqRel)
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `async-rwlock` (lib) generated 2 warnings
[INFO] [stderr] warning: `async-rwlock` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/async_rwlock-da889619209365fb)
[INFO] [stderr]      Running tests/std.rs (/opt/rustwide/target/debug/deps/std-180101a61593ee7a)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test into_inner ... ok
[INFO] [stdout] test into_inner_and_drop ... ok
[INFO] [stdout] test try_write ... ok
[INFO] [stdout] test smoke ... ok
[INFO] [stdout] test contention ... ok
[INFO] [stdout] test get_mut ... ok
[INFO] [stderr]      Running tests/upgradable.rs (/opt/rustwide/target/debug/deps/upgradable-bcb2bdfa5b43fd85)
[INFO] [stdout] test writer_and_readers ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test upgrade ... ok
[INFO] [stdout] test upgradable_with_concurrent_writer ... ok
[INFO] [stderr]    Doc-tests async-rwlock
[INFO] [stdout] test not_upgrade ... 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] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test src/lib.rs - RwLock<T>::into_inner (line 118) ... ok
[INFO] [stdout] test src/lib.rs - RwLock<T>::new (line 99) ... ok
[INFO] [stdout] test src/lib.rs - RwLockWriteGuard::downgrade (line 672) ... ok
[INFO] [stdout] test src/lib.rs - RwLockUpgradableReadGuard::try_upgrade (line 552) ... ok
[INFO] [stdout] test src/lib.rs - RwLockUpgradableReadGuard::upgrade (line 587) ... ok
[INFO] [stdout] test src/lib.rs - RwLock<T>::write (line 383) ... ok
[INFO] [stdout] test src/lib.rs - RwLock<T>::upgradable_read (line 303) ... ok
[INFO] [stdout] test src/lib.rs - RwLock (line 49) ... ok
[INFO] [stdout] test src/lib.rs - RwLock<T>::try_upgradable_read (line 247) ... ok
[INFO] [stdout] test src/lib.rs - RwLock<T>::try_write (line 354) ... ok
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] test src/lib.rs - RwLock<T>::read (line 186) ... ok
[INFO] [stdout] test src/lib.rs - RwLock<T>::try_read (line 137) ... ok
[INFO] [stdout] test src/lib.rs - RwLockUpgradableReadGuard::downgrade (line 523) ... ok
[INFO] [stdout] test src/lib.rs - RwLock<T>::get_mut (line 423) ... ok
[INFO] [stdout] test src/lib.rs - RwLockWriteGuard::downgrade_to_upgradable (line 706) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.49s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8f7ff67447d3dd4665d5efaa1d6b3e6c88a41ee5a7ed12b5e2d1fafc264aafac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f7ff67447d3dd4665d5efaa1d6b3e6c88a41ee5a7ed12b5e2d1fafc264aafac", kill_on_drop: false }`
[INFO] [stdout] 8f7ff67447d3dd4665d5efaa1d6b3e6c88a41ee5a7ed12b5e2d1fafc264aafac