[INFO] fetching crate async-observable 0.4.2...
[INFO] testing async-observable-0.4.2 against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] extracting crate async-observable 0.4.2 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate async-observable 0.4.2 on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-observable 0.4.2
[INFO] finished tweaking crates.io crate async-observable 0.4.2
[INFO] tweaked toml for crates.io crate async-observable 0.4.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate async-observable 0.4.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-executor v1.9.1
[INFO] [stderr]   Downloaded serde_json v1.0.115
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d8747d5eb06bcd80c2db8270d15f0bae31361da6721662169f4ccbdd9b6bbc3
[INFO] running `Command { std: "docker" "start" "-a" "0d8747d5eb06bcd80c2db8270d15f0bae31361da6721662169f4ccbdd9b6bbc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d8747d5eb06bcd80c2db8270d15f0bae31361da6721662169f4ccbdd9b6bbc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d8747d5eb06bcd80c2db8270d15f0bae31361da6721662169f4ccbdd9b6bbc3", kill_on_drop: false }`
[INFO] [stdout] 0d8747d5eb06bcd80c2db8270d15f0bae31361da6721662169f4ccbdd9b6bbc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ed9731417259fe01575b68b310483983302e25b1eb199ac6c4458e853955787
[INFO] running `Command { std: "docker" "start" "-a" "7ed9731417259fe01575b68b310483983302e25b1eb199ac6c4458e853955787", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling futures-executor v0.3.30
[INFO] [stderr]    Compiling futures v0.3.30
[INFO] [stderr]    Compiling async-observable v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.49s
[INFO] running `Command { std: "docker" "inspect" "7ed9731417259fe01575b68b310483983302e25b1eb199ac6c4458e853955787", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ed9731417259fe01575b68b310483983302e25b1eb199ac6c4458e853955787", kill_on_drop: false }`
[INFO] [stdout] 7ed9731417259fe01575b68b310483983302e25b1eb199ac6c4458e853955787
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 977b6713ea946fc1ac7bf418ee95128dfeebbb10c29455fb47a602e3bece15fd
[INFO] running `Command { std: "docker" "start" "-a" "977b6713ea946fc1ac7bf418ee95128dfeebbb10c29455fb47a602e3bece15fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling parking v2.2.0
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling fastrand v2.0.2
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling value-bag v1.8.1
[INFO] [stderr]    Compiling futures-lite v2.3.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling concurrent-queue v2.4.0
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling async-task v4.7.0
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]    Compiling event-listener v4.0.3
[INFO] [stderr]    Compiling event-listener v5.2.0
[INFO] [stderr]    Compiling event-listener-strategy v0.5.1
[INFO] [stderr]    Compiling event-listener-strategy v0.4.0
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling atomic-waker v1.1.2
[INFO] [stderr]    Compiling async-lock v3.3.0
[INFO] [stderr]    Compiling piper v0.2.1
[INFO] [stderr]    Compiling async-channel v2.2.0
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling waker-fn v1.1.1
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling async-executor v1.9.1
[INFO] [stderr]    Compiling blocking v1.5.1
[INFO] [stderr]    Compiling futures-lite v1.13.0
[INFO] [stderr]    Compiling async-lock v2.8.0
[INFO] [stderr]    Compiling socket2 v0.4.10
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]    Compiling async-channel v1.9.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling ryu v1.0.17
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling futures-executor v0.3.30
[INFO] [stderr]    Compiling futures v0.3.30
[INFO] [stderr]    Compiling async-observable v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling polling v3.6.0
[INFO] [stderr]    Compiling async-io v2.3.2
[INFO] [stderr]    Compiling async-global-executor v2.4.1
[INFO] [stderr]    Compiling async-std v1.12.0
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 36.40s
[INFO] running `Command { std: "docker" "inspect" "977b6713ea946fc1ac7bf418ee95128dfeebbb10c29455fb47a602e3bece15fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "977b6713ea946fc1ac7bf418ee95128dfeebbb10c29455fb47a602e3bece15fd", kill_on_drop: false }`
[INFO] [stdout] 977b6713ea946fc1ac7bf418ee95128dfeebbb10c29455fb47a602e3bece15fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a1d244874871483b88d51ab967890da86e5be93c7c2f4444e5ecc5b06774c931
[INFO] running `Command { std: "docker" "start" "-a" "a1d244874871483b88d51ab967890da86e5be93c7c2f4444e5ecc5b06774c931", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/async_observable-8f577588b3ea5ed8)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test test::publishing::should_publish_after_modify ... ok
[INFO] [stdout] test test::publishing::should_get_notified_sync ... ok
[INFO] [stdout] test test::future::should_remove_waker_after_resolving ... ok
[INFO] [stdout] test test::publishing::should_conditionally_modify ... ok
[INFO] [stdout] test test::publishing::should_get_notified_sync_multiple ... ok
[INFO] [stdout] test test::synchronization::should_get_latest_without_loosing_updates ... ok
[INFO] [stdout] test test::versions::should_clone_and_reset ... ok
[INFO] [stdout] test test::versions::should_reset ... ok
[INFO] [stdout] test test::versions::should_skip_versions ... ok
[INFO] [stdout] test test::versions::should_skip_unchecked_updates ... ok
[INFO] [stdout] test test::asynchronous::should_wait_for_publisher_task ... ok
[INFO] [stdout] test test::publishing::should_publish_changed ... ok
[INFO] [stdout] test test::future::should_wait_forever ... ok
[INFO] [stdout] test test::publishing::shouldnt_publish_same_change ... ok
[INFO] [stdout] test test::synchronization::should_skip_updates_while_synchronizing ... ok
[INFO] [stdout] test test::synchronization::should_synchronize_multiple_times ... ok
[INFO] [stdout] test test::versions::should_wait_after_skiped_versions ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.54s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests async_observable
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test src/lib.rs - Observable<T>::apply (line 178) ... ignored
[INFO] [stdout] test src/lib.rs - Observable<T>::apply (line 189) ... ignored
[INFO] [stdout] test src/lib.rs - Observable<T>::clone_and_reset (line 227) ... ok
[INFO] [stdout] test src/lib.rs - Observable (line 77) ... ok
[INFO] [stdout] test src/lib.rs - Observable<T>::next (line 282) ... ok
[INFO] [stdout] test src/lib.rs - Observable (line 67) ... ok
[INFO] [stdout] test src/lib.rs - Observable<T>::latest (line 262) ... ok
[INFO] [stdout] test src/lib.rs - Observable<T>::modify_conditional (line 146) ... ok
[INFO] [stdout] test src/lib.rs - Observable (line 87) ... ok
[INFO] [stdout] test src/lib.rs - Observable<T>::reset (line 246) ... ok
[INFO] [stdout] test src/lib.rs - Observable<T>::synchronize (line 306) ... ok
[INFO] [stdout] test src/lib.rs - Observable<T>::split (line 335) ... ok
[INFO] [stdout] test src/lib.rs - (line 17) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 3.05s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a1d244874871483b88d51ab967890da86e5be93c7c2f4444e5ecc5b06774c931", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1d244874871483b88d51ab967890da86e5be93c7c2f4444e5ecc5b06774c931", kill_on_drop: false }`
[INFO] [stdout] a1d244874871483b88d51ab967890da86e5be93c7c2f4444e5ecc5b06774c931
