[INFO] fetching crate async-observable 0.5.0...
[INFO] testing async-observable-0.5.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate async-observable 0.5.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate async-observable 0.5.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate async-observable 0.5.0
[INFO] tweaked toml for crates.io crate async-observable 0.5.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate async-observable 0.5.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate async-observable 0.5.0 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-attributes v1.1.2
[INFO] [stderr]   Downloaded value-bag v1.11.1
[INFO] [stderr]   Downloaded gloo-timers v0.3.0
[INFO] [stderr]   Downloaded async-std v1.13.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec5eb101fe96b7c1df61628cf9ad85ff065e0c460761d7630077a5f73acdeea0
[INFO] running `Command { std: "docker" "start" "-a" "ec5eb101fe96b7c1df61628cf9ad85ff065e0c460761d7630077a5f73acdeea0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec5eb101fe96b7c1df61628cf9ad85ff065e0c460761d7630077a5f73acdeea0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec5eb101fe96b7c1df61628cf9ad85ff065e0c460761d7630077a5f73acdeea0", kill_on_drop: false }`
[INFO] [stdout] ec5eb101fe96b7c1df61628cf9ad85ff065e0c460761d7630077a5f73acdeea0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96561f69dae72a6fc4d0e1e9b840170473a1d597bc1c2631c746a49972224e93
[INFO] running `Command { std: "docker" "start" "-a" "96561f69dae72a6fc4d0e1e9b840170473a1d597bc1c2631c746a49972224e93", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling uuid v1.18.0
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling async-observable v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.92s
[INFO] running `Command { std: "docker" "inspect" "96561f69dae72a6fc4d0e1e9b840170473a1d597bc1c2631c746a49972224e93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96561f69dae72a6fc4d0e1e9b840170473a1d597bc1c2631c746a49972224e93", kill_on_drop: false }`
[INFO] [stdout] 96561f69dae72a6fc4d0e1e9b840170473a1d597bc1c2631c746a49972224e93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c7b6f1f238846625d4f357efdf315a28706061c0eadc2bb951f1a7128188649
[INFO] running `Command { std: "docker" "start" "-a" "5c7b6f1f238846625d4f357efdf315a28706061c0eadc2bb951f1a7128188649", kill_on_drop: false }`
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling parking v2.2.1
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]    Compiling bitflags v2.9.2
[INFO] [stderr]    Compiling linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling async-task v4.7.1
[INFO] [stderr]    Compiling piper v0.2.4
[INFO] [stderr]    Compiling value-bag v1.11.1
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling futures-lite v2.6.1
[INFO] [stderr]    Compiling async-channel v1.9.0
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling async-lock v3.4.1
[INFO] [stderr]    Compiling async-channel v2.5.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling blocking v1.6.2
[INFO] [stderr]    Compiling async-executor v1.13.2
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling async-observable v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling polling v3.10.0
[INFO] [stderr]    Compiling async-io v2.5.0
[INFO] [stderr]    Compiling async-global-executor v2.4.1
[INFO] [stderr]    Compiling async-std v1.13.2
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 19.59s
[INFO] running `Command { std: "docker" "inspect" "5c7b6f1f238846625d4f357efdf315a28706061c0eadc2bb951f1a7128188649", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c7b6f1f238846625d4f357efdf315a28706061c0eadc2bb951f1a7128188649", kill_on_drop: false }`
[INFO] [stdout] 5c7b6f1f238846625d4f357efdf315a28706061c0eadc2bb951f1a7128188649
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fcb82d058ebadba765877d29ff4c04354a81123bcc4c0b53f4ec13bb87f576d3
[INFO] running `Command { std: "docker" "start" "-a" "fcb82d058ebadba765877d29ff4c04354a81123bcc4c0b53f4ec13bb87f576d3", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/async_observable-f8a5fd8e67920b65)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test test::future::supports_multiple_polls_before_data ... ok
[INFO] [stdout] test test::future::supports_waker_survival_across_multiple_polls ... ok
[INFO] [stdout] test test::versions::should_skip_unchecked_updates ... ok
[INFO] [stdout] test test::publishing::should_get_notified_sync_multiple ... ok
[INFO] [stdout] test test::versions::should_clone_and_reset ... ok
[INFO] [stdout] test test::synchronization::should_get_latest_without_loosing_updates ... ok
[INFO] [stdout] test test::versions::should_reset ... ok
[INFO] [stdout] test test::publishing::should_get_notified_sync ... ok
[INFO] [stdout] test test::publishing::should_publish_after_modify ... ok
[INFO] [stdout] test test::publishing::should_conditionally_modify ... ok
[INFO] [stdout] test test::future::should_remove_waker_after_resolving ... ok
[INFO] [stdout] test test::versions::should_skip_versions ... ok
[INFO] [stdout] test test::asynchronous::should_wait_for_publisher_task ... ok
[INFO] [stdout] test test::future::supports_concurrent_poll_and_publish ... ok
[INFO] [stdout] test test::synchronization::should_synchronize_multiple_times ... ok
[INFO] [stdout] test test::publishing::should_publish_changed ... ok
[INFO] [stdout] test test::synchronization::should_skip_updates_while_synchronizing ... ok
[INFO] [stdout] test test::future::should_wait_forever ... ok
[INFO] [stdout] test test::publishing::shouldnt_publish_same_change ... ok
[INFO] [stdout] test test::versions::should_wait_after_skiped_versions ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.51s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests async_observable
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test src/lib.rs - Observable<T>::apply (line 261) ... ignored
[INFO] [stdout] test src/lib.rs - Observable<T>::apply (line 272) ... ignored
[INFO] [stdout] test src/lib.rs - Observable<T>::try_apply (line 216) ... ignored
[INFO] [stdout] test src/lib.rs - Observable<T>::reset (line 322) ... ok
[INFO] [stdout] test src/lib.rs - Observable<T>::latest (line 338) ... ok
[INFO] [stdout] test src/lib.rs - Observable<T>::clone_and_reset (line 303) ... ok
[INFO] [stdout] test src/lib.rs - Observable (line 80) ... ok
[INFO] [stdout] test src/lib.rs - Observable<T>::try_modify (line 159) ... ok
[INFO] [stdout] test src/lib.rs - Observable (line 90) ... ok
[INFO] [stdout] test src/lib.rs - Observable<T>::modify_conditional (line 186) ... ok
[INFO] [stdout] test src/lib.rs - Observable (line 70) ... ok
[INFO] [stdout] test src/lib.rs - Observable<T>::synchronize (line 382) ... ok
[INFO] [stdout] test src/lib.rs - Observable<T>::next (line 358) ... ok
[INFO] [stdout] test src/lib.rs - Observable<T>::split (line 413) ... ok
[INFO] [stdout] test src/lib.rs - (line 17) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out; finished in 0.79s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fcb82d058ebadba765877d29ff4c04354a81123bcc4c0b53f4ec13bb87f576d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcb82d058ebadba765877d29ff4c04354a81123bcc4c0b53f4ec13bb87f576d3", kill_on_drop: false }`
[INFO] [stdout] fcb82d058ebadba765877d29ff4c04354a81123bcc4c0b53f4ec13bb87f576d3