[INFO] fetching crate observable-property 0.2.1...
[INFO] testing observable-property-0.2.1 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate observable-property 0.2.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate observable-property 0.2.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate observable-property 0.2.1
[INFO] tweaked toml for crates.io crate observable-property 0.2.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate observable-property 0.2.1 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate observable-property 0.2.1 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c8b53617bb28bcdfbced45c325d36720204cd78e6ea826d39f4606ec97200d0
[INFO] running `Command { std: "docker" "start" "-a" "4c8b53617bb28bcdfbced45c325d36720204cd78e6ea826d39f4606ec97200d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c8b53617bb28bcdfbced45c325d36720204cd78e6ea826d39f4606ec97200d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c8b53617bb28bcdfbced45c325d36720204cd78e6ea826d39f4606ec97200d0", kill_on_drop: false }`
[INFO] [stdout] 4c8b53617bb28bcdfbced45c325d36720204cd78e6ea826d39f4606ec97200d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 167e90fee7bfd9ceb236371a324089c4fe7eaa48a64e8fde4f9d8d773a48ed76
[INFO] running `Command { std: "docker" "start" "-a" "167e90fee7bfd9ceb236371a324089c4fe7eaa48a64e8fde4f9d8d773a48ed76", kill_on_drop: false }`
[INFO] [stderr]    Compiling observable-property v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "167e90fee7bfd9ceb236371a324089c4fe7eaa48a64e8fde4f9d8d773a48ed76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "167e90fee7bfd9ceb236371a324089c4fe7eaa48a64e8fde4f9d8d773a48ed76", kill_on_drop: false }`
[INFO] [stdout] 167e90fee7bfd9ceb236371a324089c4fe7eaa48a64e8fde4f9d8d773a48ed76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3703aa2d0b729e3af5b16cd6cf25e9fb6f32a05b4e3914389048e73b236f97dc
[INFO] running `Command { std: "docker" "start" "-a" "3703aa2d0b729e3af5b16cd6cf25e9fb6f32a05b4e3914389048e73b236f97dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling observable-property v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `set_age` is never used
[INFO] [stdout]   --> examples/multithreaded.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Person {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 33 |     fn set_age(&self, new_age: i32) -> Result<(), observable_property::PropertyError> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.66s
[INFO] running `Command { std: "docker" "inspect" "3703aa2d0b729e3af5b16cd6cf25e9fb6f32a05b4e3914389048e73b236f97dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3703aa2d0b729e3af5b16cd6cf25e9fb6f32a05b4e3914389048e73b236f97dc", kill_on_drop: false }`
[INFO] [stdout] 3703aa2d0b729e3af5b16cd6cf25e9fb6f32a05b4e3914389048e73b236f97dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ec39ed12d4b58a837e3953351c164269ee7bfc6aaf874c6a7df907718f78cd57
[INFO] running `Command { std: "docker" "start" "-a" "ec39ed12d4b58a837e3953351c164269ee7bfc6aaf874c6a7df907718f78cd57", kill_on_drop: false }`
[INFO] [stderr] warning: method `set_age` is never used
[INFO] [stderr]   --> examples/multithreaded.rs:33:8
[INFO] [stderr]    |
[INFO] [stderr] 13 | impl Person {
[INFO] [stderr]    | ----------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 33 |     fn set_age(&self, new_age: i32) -> Result<(), observable_property::PropertyError> {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `observable-property` (example "multithreaded") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/observable_property-1fb32a4dce2ae5b3)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::test_complex_custom_types ... ok
[INFO] [stdout] test tests::test_filtered_observer ... ok
[INFO] [stdout] test tests::test_observer_subscription_and_notification ... ok
[INFO] [stdout] test tests::test_property_creation_and_basic_operations ... ok
[INFO] [stdout] test tests::test_unsubscribe_nonexistent_observer ... ok
[INFO] [stdout] test tests::test_observer_id_edge_cases ... ok
[INFO] [stdout] test tests::test_observer_panic_isolation ... ok
[INFO] [stdout] test tests::test_lock_poisoning ... ok
[INFO] [stdout] test tests::test_thread_safety_concurrent_reads ... ok
[INFO] [stdout] test tests::test_async_set_performance ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.29s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests observable_property
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/lib.rs - ObservableProperty<T>::clone (line 545) ... ok
[INFO] [stdout] test src/lib.rs - ObservableProperty<T>::set (line 266) ... ok
[INFO] [stdout] test src/lib.rs - ObservableProperty<T>::new (line 198) ... ok
[INFO] [stdout] test src/lib.rs - ObservableProperty<T>::get (line 229) ... ok
[INFO] [stdout] test src/lib.rs - ObservableProperty<T>::subscribe (line 412) ... ok
[INFO] [stdout] test src/lib.rs - ObservableProperty<T>::unsubscribe (line 460) ... ok
[INFO] [stdout] test src/lib.rs - (line 48) ... ok
[INFO] [stdout] test src/lib.rs - ObservableProperty<T>::set_async (line 332) ... ok
[INFO] [stdout] test src/lib.rs - ObservableProperty<T>::subscribe_filtered (line 501) ... ok
[INFO] [stdout] test src/lib.rs - ObservableProperty (line 155) ... ok
[INFO] [stdout] test src/lib.rs - (line 17) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.22s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ec39ed12d4b58a837e3953351c164269ee7bfc6aaf874c6a7df907718f78cd57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec39ed12d4b58a837e3953351c164269ee7bfc6aaf874c6a7df907718f78cd57", kill_on_drop: false }`
[INFO] [stdout] ec39ed12d4b58a837e3953351c164269ee7bfc6aaf874c6a7df907718f78cd57