[INFO] fetching crate xilem_core 0.4.0...
[INFO] testing xilem_core-0.4.0 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate xilem_core 0.4.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate xilem_core 0.4.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate xilem_core 0.4.0
[INFO] tweaked toml for crates.io crate xilem_core 0.4.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate xilem_core 0.4.0 on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate xilem_core 0.4.0 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" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d181ee80021e822751b4d0a60597f2975badd79ac94accacbd08c185ee3d2145
[INFO] running `Command { std: "docker" "start" "-a" "d181ee80021e822751b4d0a60597f2975badd79ac94accacbd08c185ee3d2145", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d181ee80021e822751b4d0a60597f2975badd79ac94accacbd08c185ee3d2145", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d181ee80021e822751b4d0a60597f2975badd79ac94accacbd08c185ee3d2145", kill_on_drop: false }`
[INFO] [stdout] d181ee80021e822751b4d0a60597f2975badd79ac94accacbd08c185ee3d2145
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cfc12b1613f3b170ff5ff023bb994cfc4e40c87df1dbec2c093f4d559022b51e
[INFO] running `Command { std: "docker" "start" "-a" "cfc12b1613f3b170ff5ff023bb994cfc4e40c87df1dbec2c093f4d559022b51e", kill_on_drop: false }`
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling foldhash v0.2.0
[INFO] [stderr]    Compiling anymore v1.0.0
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling xilem_core v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.39s
[INFO] running `Command { std: "docker" "inspect" "cfc12b1613f3b170ff5ff023bb994cfc4e40c87df1dbec2c093f4d559022b51e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfc12b1613f3b170ff5ff023bb994cfc4e40c87df1dbec2c093f4d559022b51e", kill_on_drop: false }`
[INFO] [stdout] cfc12b1613f3b170ff5ff023bb994cfc4e40c87df1dbec2c093f4d559022b51e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ef542bd6afd0ff6d81ad26e926bd30ea43e26ab7e203ecfe8a999f2465e613b
[INFO] running `Command { std: "docker" "start" "-a" "4ef542bd6afd0ff6d81ad26e926bd30ea43e26ab7e203ecfe8a999f2465e613b", kill_on_drop: false }`
[INFO] [stderr]    Compiling xilem_core v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.39s
[INFO] running `Command { std: "docker" "inspect" "4ef542bd6afd0ff6d81ad26e926bd30ea43e26ab7e203ecfe8a999f2465e613b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ef542bd6afd0ff6d81ad26e926bd30ea43e26ab7e203ecfe8a999f2465e613b", kill_on_drop: false }`
[INFO] [stdout] 4ef542bd6afd0ff6d81ad26e926bd30ea43e26ab7e203ecfe8a999f2465e613b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 645976ada9c8612db16da285a987005d9d08fa1575036d5b4d1ac6615e864fe9
[INFO] running `Command { std: "docker" "start" "-a" "645976ada9c8612db16da285a987005d9d08fa1575036d5b4d1ac6615e864fe9", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/xilem_core-1a8f3a918393ba93)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test context::tests::maybe_take_message ... ok
[INFO] [stdout] test context::tests::take_path_full_path ... ok
[INFO] [stdout] test message::tests::message_debug ... ok
[INFO] [stdout] test message::tests::message_downcast ... ok
[INFO] [stdout] test context::tests::take_message_wrong_type ... ok
[INFO] [stdout] test message::tests::message_downcast_wrong_type ... ok
[INFO] [stdout] test context::tests::take_message_twice - should panic ... ok
[INFO] [stdout] test context::tests::take_message_nonempty_path - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/any_view.rs (/opt/rustwide/target/debug/deps/any_view-67bc8ac38350a719)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test messages_to_inner_view ... ok
[INFO] [stdout] test message_after_rebuild ... 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 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/arc.rs (/opt/rustwide/target/debug/deps/arc-11db8b553bdc2767)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test arc_passthrough_teardown ... ok
[INFO] [stdout] test arc_passthrough_message ... ok
[INFO] [stdout] test arc_no_path ... ok
[INFO] [stdout] test box_no_path ... ok
[INFO] [stdout] test box_passthrough_message ... ok
[INFO] [stdout] test box_passthrough_rebuild_same_value ... ok
[INFO] [stdout] test box_passthrough_teardown ... 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] test box_passthrough_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-f4bb3123339eaeb2)
[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-c70c02fde372dc8c)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test option_message_some_none_some_stale ... ok
[INFO] [stdout] test option_message_some ... ok
[INFO] [stdout] test one_element_sequence_passthrough ... ok
[INFO] [stdout] test option_message_some_none_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/nested_seq.rs (/opt/rustwide/target/debug/deps/nested_seq-b8181ddfe0f9b4e6)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test vec_in_tuple ... 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/one_of.rs (/opt/rustwide/target/debug/deps/one_of-ce510f5ea16bee26)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test one_of_no_message_after_stale ... ok
[INFO] [stdout] test one_of_passthrough_message ... ok
[INFO] [stdout] test one_of_path ... ok
[INFO] [stdout] test one_of_passthrough_teardown ... ok
[INFO] [stdout] test one_of_same_type_rebuild ... ok
[INFO] [stdout] test one_of_type_change_rebuild ... ok
[INFO] [stdout] test one_of_no_message_after_stale_then_same_type ... 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-5615aa7c6d69c345)
[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-eca227877c42c6a7)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test one_element_passthrough ... ok
[INFO] [stdout] test unit_no_elements ... ok
[INFO] [stdout] test two_element_passthrough ... ok
[INFO] [stdout] test two_element_message ... 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-7db4505c453675eb)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test normal_messages ... ok
[INFO] [stdout] test one_zero ... ok
[INFO] [stdout] test one_two ... ok
[INFO] [stdout] test zero_zero ... ok
[INFO] [stdout] test stale_messages ... ok
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests xilem_core
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/views/map_message.rs - views::map_message::map_action (line 47) ... ignored
[INFO] [stdout] test src/views/map_state.rs - views::map_state::map_state (line 40) ... ignored
[INFO] [stdout] test src/views/memoize.rs - views::memoize::frozen (line 182) ... 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/lens.rs - views::lens::lens (line 52) ... ok
[INFO] [stdout] test src/sequence.rs - sequence::without_elements (line 1065) ... ok
[INFO] [stdout] test src/views/run_once.rs - views::run_once::run_once (line 18) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 4 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 55) ... ignored
[INFO] [stdout] test src/view.rs - view::ViewMarker (line 17) ... 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 0.09s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.50s; merged doctests compilation took 0.39s
[INFO] running `Command { std: "docker" "inspect" "645976ada9c8612db16da285a987005d9d08fa1575036d5b4d1ac6615e864fe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "645976ada9c8612db16da285a987005d9d08fa1575036d5b4d1ac6615e864fe9", kill_on_drop: false }`
[INFO] [stdout] 645976ada9c8612db16da285a987005d9d08fa1575036d5b4d1ac6615e864fe9
