[INFO] fetching crate desync 0.6.2...
[INFO] testing desync-0.6.2 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate desync 0.6.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate desync 0.6.2 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate desync 0.6.2
[INFO] finished tweaking crates.io crate desync 0.6.2
[INFO] tweaked toml for crates.io crate desync 0.6.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", 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] d080b76b4f03d87583dbb3749870cb8394054e0437a5fca09f67009ad528ddfe
[INFO] running `Command { std: "docker" "start" "-a" "d080b76b4f03d87583dbb3749870cb8394054e0437a5fca09f67009ad528ddfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d080b76b4f03d87583dbb3749870cb8394054e0437a5fca09f67009ad528ddfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d080b76b4f03d87583dbb3749870cb8394054e0437a5fca09f67009ad528ddfe", kill_on_drop: false }`
[INFO] [stdout] d080b76b4f03d87583dbb3749870cb8394054e0437a5fca09f67009ad528ddfe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27e69f0a855c68b54a4a6087b27665aec07b610daf024a2a32143104a282129a
[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" "27e69f0a855c68b54a4a6087b27665aec07b610daf024a2a32143104a282129a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.52
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling futures-sink v0.3.8
[INFO] [stderr]    Compiling futures-core v0.3.8
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling futures-io v0.3.8
[INFO] [stderr]    Compiling futures-channel v0.3.8
[INFO] [stderr]    Compiling futures-task v0.3.8
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling pin-project v1.0.2
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling futures-executor v0.3.8
[INFO] [stderr]    Compiling futures v0.3.8
[INFO] [stderr]    Compiling desync v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.18s
[INFO] running `Command { std: "docker" "inspect" "27e69f0a855c68b54a4a6087b27665aec07b610daf024a2a32143104a282129a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27e69f0a855c68b54a4a6087b27665aec07b610daf024a2a32143104a282129a", kill_on_drop: false }`
[INFO] [stdout] 27e69f0a855c68b54a4a6087b27665aec07b610daf024a2a32143104a282129a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d162787add7b5d1b455e74c6871e967f1a95d44a8c370c8b355b00b50b6ed3ca
[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" "d162787add7b5d1b455e74c6871e967f1a95d44a8c370c8b355b00b50b6ed3ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling desync v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.75s
[INFO] running `Command { std: "docker" "inspect" "d162787add7b5d1b455e74c6871e967f1a95d44a8c370c8b355b00b50b6ed3ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d162787add7b5d1b455e74c6871e967f1a95d44a8c370c8b355b00b50b6ed3ca", kill_on_drop: false }`
[INFO] [stdout] d162787add7b5d1b455e74c6871e967f1a95d44a8c370c8b355b00b50b6ed3ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f905063f7b8cb44aeee8c65f76838a486662408cdedb351e041b90454164bf54
[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" "f905063f7b8cb44aeee8c65f76838a486662408cdedb351e041b90454164bf54", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/desync-486e3df54ff34ec6
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test scheduler::scheduler_future::test::cancels_when_dropped ... ok
[INFO] [stdout] test scheduler::scheduler_future::test::returns_immediately_if_signaled ... ok
[INFO] [stdout] test scheduler::scheduler_future::test::forces_queue_drain ... ok
[INFO] [stdout] test scheduler::scheduler_future::test::signals_from_another_thread ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/desync-185bc281d29592b3
[INFO] [stdout] 
[INFO] [stdout] running 32 tests
[INFO] [stdout] test retrieve_data_into_local_var ... ok
[INFO] [stdout] test retrieve_data_synchronously ... ok
[INFO] [stdout] test scheduler::future::poll_two_futures_on_one_queue ... ok
[INFO] [stdout] test scheduler::asynchronous::schedule_async ... ok
[INFO] [stdout] test scheduler::asynchronous::schedule_after_queue_released ... ok
[INFO] [stdout] test scheduler::asynchronous::panicking_panics_with_future_queues ... FAILED
[INFO] [stdout] test scheduler::suspend::safe_to_drop_suspended_queue ... ok
[INFO] [stdout] test scheduler::future::schedule_future_with_no_scheduler_threads ... ok
[INFO] [stdout] test scheduler::sync::reschedule_after_immediate_sync ... ok
[INFO] [stdout] test scheduler::future::schedule_future ... ok
[INFO] [stdout] test scheduler::future::future_waits_for_us ... ok
[INFO] [stdout] test scheduler::future::wait_for_future ... ok
[INFO] [stdout] test scheduler::sync::sync_has_synchronous_lifetime ... ok
[INFO] [stdout] test scheduler::asynchronous::will_schedule_separate_queues_in_parallel ... ok
[INFO] [stdout] test scheduler::sync::schedule_sync ... ok
[INFO] [stdout] test scheduler::asynchronous::will_schedule_in_order ... ok
[INFO] [stdout] test scheduler::future::wake_future_with_no_scheduler_threads ... ok
[INFO] [stdout] test scheduler::suspend::suspend_queue_with_local_drain ... ok
[INFO] [stdout] test dropping_while_running_isnt_obviously_bad ... ok
[INFO] [stdout] test scheduler::sync::schedule_sync_after_async ... ok
[INFO] [stdout] test update_data_asynchronously ... ok
[INFO] [stdout] test scheduler::sync::sync_drains_with_no_threads ... ok
[INFO] [stdout] test update_data_with_future ... ok
[INFO] [stdout] test wait_for_future ... ok
[INFO] [stdout] test scheduler::thread_management::will_despawn_extra_threads ... ok
[INFO] [stdout] test double_future_and_sync ... ok
[INFO] [stdout] test future_and_sync ... ok
[INFO] [stdout] test scheduler::asynchronous::async_only_runs_once ... ok
[INFO] [stdout] test update_data_asynchronously_1000_times ... ok
[INFO] [stdout] test update_data_with_future_1000_times ... ok
[INFO] [stdout] test scheduler::asynchronous::async_runs_in_order_1000_iter ... ok
[INFO] [stdout] test scheduler::suspend::suspend_queue_with_background_thread ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- scheduler::asynchronous::panicking_panics_with_future_queues stdout ----
[INFO] [stdout] note: test did not panic as expected
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     scheduler::asynchronous::panicking_panics_with_future_queues
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 31 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--test desync'
[INFO] running `Command { std: "docker" "inspect" "f905063f7b8cb44aeee8c65f76838a486662408cdedb351e041b90454164bf54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f905063f7b8cb44aeee8c65f76838a486662408cdedb351e041b90454164bf54", kill_on_drop: false }`
[INFO] [stdout] f905063f7b8cb44aeee8c65f76838a486662408cdedb351e041b90454164bf54