[INFO] fetching crate xilem_core 0.3.0...
[INFO] testing xilem_core-0.3.0 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate xilem_core 0.3.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate xilem_core 0.3.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate xilem_core 0.3.0
[INFO] tweaked toml for crates.io crate xilem_core 0.3.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate xilem_core 0.3.0 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate xilem_core 0.3.0 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" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded kurbo v0.11.2
[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" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa107fc9db7e95459b90eb5937bbe9c529537048df5764686ebc231bc87eac95
[INFO] running `Command { std: "docker" "start" "-a" "fa107fc9db7e95459b90eb5937bbe9c529537048df5764686ebc231bc87eac95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa107fc9db7e95459b90eb5937bbe9c529537048df5764686ebc231bc87eac95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa107fc9db7e95459b90eb5937bbe9c529537048df5764686ebc231bc87eac95", kill_on_drop: false }`
[INFO] [stdout] fa107fc9db7e95459b90eb5937bbe9c529537048df5764686ebc231bc87eac95
[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" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47cadc6206815b106bc5c1d7fe84ad8bbb0f56fb0fe280e989437ef36e861d0f
[INFO] running `Command { std: "docker" "start" "-a" "47cadc6206815b106bc5c1d7fe84ad8bbb0f56fb0fe280e989437ef36e861d0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling xilem_core v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "47cadc6206815b106bc5c1d7fe84ad8bbb0f56fb0fe280e989437ef36e861d0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47cadc6206815b106bc5c1d7fe84ad8bbb0f56fb0fe280e989437ef36e861d0f", kill_on_drop: false }`
[INFO] [stdout] 47cadc6206815b106bc5c1d7fe84ad8bbb0f56fb0fe280e989437ef36e861d0f
[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" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c9be2da7d76938b4dccd330b00b3ee6fb593d8c8fa6ac4eb688711ac983246f
[INFO] running `Command { std: "docker" "start" "-a" "3c9be2da7d76938b4dccd330b00b3ee6fb593d8c8fa6ac4eb688711ac983246f", kill_on_drop: false }`
[INFO] [stderr]    Compiling xilem_core v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "3c9be2da7d76938b4dccd330b00b3ee6fb593d8c8fa6ac4eb688711ac983246f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c9be2da7d76938b4dccd330b00b3ee6fb593d8c8fa6ac4eb688711ac983246f", kill_on_drop: false }`
[INFO] [stdout] 3c9be2da7d76938b4dccd330b00b3ee6fb593d8c8fa6ac4eb688711ac983246f
[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" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6886c25c0546c3c2fc4fa287115dd37c09d2bf4b34a6c2a236beb03e62446d27
[INFO] running `Command { std: "docker" "start" "-a" "6886c25c0546c3c2fc4fa287115dd37c09d2bf4b34a6c2a236beb03e62446d27", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/xilem_core-f7954e96c0bc2011)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test message::tests::message_debug ... ok
[INFO] [stdout] test message::tests::message_downcast ... ok
[INFO] [stdout] test message::tests::message_downcast_wrong_type ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/any_view.rs (/opt/rustwide/target/debug/deps/any_view-7d7245db082a776d)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test message_after_rebuild ... ok
[INFO] [stdout] test messages_to_inner_view ... ok
[INFO] [stdout] test no_message_after_stale ... ok
[INFO] [stdout] test no_message_after_stale_then_same_type ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/arc.rs (/opt/rustwide/target/debug/deps/arc-6628e27537873252)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test arc_no_path ... ok
[INFO] [stdout] test arc_passthrough_message ... ok
[INFO] [stdout] test arc_passthrough_teardown ... ok
[INFO] [stdout] test box_no_path ... ok
[INFO] [stdout] test box_passthrough_message ... ok
[INFO] [stdout] test box_passthrough_rebuild ... ok
[INFO] [stdout] test box_passthrough_teardown ... ok
[INFO] [stdout] test box_passthrough_rebuild_same_value ... ok
[INFO] [stdout] test new_arc_rebuild ... ok
[INFO] [stdout] test new_arc_rebuild_same_value ... ok
[INFO] [stdout] test same_arc_skip_rebuild ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/array_sequence.rs (/opt/rustwide/target/debug/deps/array_sequence-2875a9c71d4c8a87)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test two_element_message ... ok
[INFO] [stdout] test two_element_passthrough ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/base_sequence.rs (/opt/rustwide/target/debug/deps/base_sequence-1d9285830beff4bc)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test one_element_sequence_passthrough ... ok
[INFO] [stdout] test option_message_some ... ok
[INFO] [stdout] test option_message_some_none_stale ... ok
[INFO] [stdout] test option_message_some_none_some_stale ... ok
[INFO] [stdout] test option_message_some_some ... ok
[INFO] [stdout] test option_none_none ... ok
[INFO] [stdout] test option_none_some ... ok
[INFO] [stdout] test option_some_none ... ok
[INFO] [stdout] test option_some_some ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/one_of.rs (/opt/rustwide/target/debug/deps/one_of-3f0160e0fa7e43ce)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test one_of_no_message_after_stale ... ok
[INFO] [stdout] test one_of_no_message_after_stale_then_same_type ... ok
[INFO] [stdout] test one_of_passthrough_teardown ... ok
[INFO] [stdout] test one_of_path ... ok
[INFO] [stdout] test one_of_same_type_rebuild ... ok
[INFO] [stdout] test one_of_passthrough_message ... ok
[INFO] [stdout] test one_of_type_change_rebuild ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/orphan.rs (/opt/rustwide/target/debug/deps/orphan-830711efbf1c99d7)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test str_as_orphan_view ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/tuple_sequence.rs (/opt/rustwide/target/debug/deps/tuple_sequence-fcdf0354941e1a52)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test one_element_passthrough ... ok
[INFO] [stdout] test two_element_message ... ok
[INFO] [stdout] test unit_no_elements ... ok
[INFO] [stdout] test two_element_passthrough ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/vec_sequence.rs (/opt/rustwide/target/debug/deps/vec_sequence-54cf8bf1baf7d226)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test normal_messages ... ok
[INFO] [stdout] test stale_messages ... ok
[INFO] [stdout] test zero_zero ... ok
[INFO] [stdout] test one_zero ... ok
[INFO] [stdout] test one_two ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests xilem_core
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/views/adapt.rs - views::adapt::adapt (line 60) ... ignored
[INFO] [stdout] test src/views/adapt.rs - views::adapt::adapt (line 68) ... ignored
[INFO] [stdout] test src/views/adapt.rs - views::adapt::adapt (line 89) ... ignored
[INFO] [stdout] test src/views/map_action.rs - views::map_action::map_action (line 48) ... ignored
[INFO] [stdout] test src/views/map_state.rs - views::map_state::map_state (line 38) ... ignored
[INFO] [stdout] test src/views/memoize.rs - views::memoize::frozen (line 175) ... ignored
[INFO] [stdout] test src/views/memoize.rs - views::memoize::memoize (line 47) ... ignored
[INFO] [stdout] test src/docs.rs - docs (line 19) ... ok
[INFO] [stdout] test src/views/map_state.rs - views::map_state::lens (line 94) ... ok
[INFO] [stdout] test src/views/run_once.rs - views::run_once::run_once (line 18) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 7 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/view.rs - view::View (line 54) ... ignored
[INFO] [stdout] test src/view.rs - view::ViewMarker (line 16) ... ignored
[INFO] [stdout] test src/views/run_once.rs - views::run_once::run_once (line 34) - compile fail ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.47s; merged doctests compilation took 0.37s
[INFO] running `Command { std: "docker" "inspect" "6886c25c0546c3c2fc4fa287115dd37c09d2bf4b34a6c2a236beb03e62446d27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6886c25c0546c3c2fc4fa287115dd37c09d2bf4b34a6c2a236beb03e62446d27", kill_on_drop: false }`
[INFO] [stdout] 6886c25c0546c3c2fc4fa287115dd37c09d2bf4b34a6c2a236beb03e62446d27