[INFO] fetching crate gui 0.6.0...
[INFO] testing gui-0.6.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate gui 0.6.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate gui 0.6.0 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gui 0.6.0
[INFO] finished tweaking crates.io crate gui 0.6.0
[INFO] tweaked toml for crates.io crate gui 0.6.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7357c00b3bd356355978ffba225afcdaf675de44fd502fbbea74327f8c249a77
[INFO] running `Command { std: "docker" "start" "-a" "7357c00b3bd356355978ffba225afcdaf675de44fd502fbbea74327f8c249a77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7357c00b3bd356355978ffba225afcdaf675de44fd502fbbea74327f8c249a77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7357c00b3bd356355978ffba225afcdaf675de44fd502fbbea74327f8c249a77", kill_on_drop: false }`
[INFO] [stdout] 7357c00b3bd356355978ffba225afcdaf675de44fd502fbbea74327f8c249a77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd1adf22692af168e7b44c971fae20b2743942418369b2416d42f26c41e439c1
[INFO] running `Command { std: "docker" "start" "-a" "fd1adf22692af168e7b44c971fae20b2743942418369b2416d42f26c41e439c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling gui-derive v0.6.0
[INFO] [stderr]    Compiling gui v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.26s
[INFO] running `Command { std: "docker" "inspect" "fd1adf22692af168e7b44c971fae20b2743942418369b2416d42f26c41e439c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd1adf22692af168e7b44c971fae20b2743942418369b2416d42f26c41e439c1", kill_on_drop: false }`
[INFO] [stdout] fd1adf22692af168e7b44c971fae20b2743942418369b2416d42f26c41e439c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56e79f39f449fb2b527c45e228aa29b1d67015d17ef9f67bbfc964bab0a74ae6
[INFO] running `Command { std: "docker" "start" "-a" "56e79f39f449fb2b527c45e228aa29b1d67015d17ef9f67bbfc964bab0a74ae6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling tokio v0.3.7
[INFO] [stderr]    Compiling tokio-macros v0.3.2
[INFO] [stderr]    Compiling gui v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/test_ui.rs:107:42
[INFO] [stdout]     |
[INFO] [stdout] 107 |     assert!(string.starts_with("Ui { "), string);
[INFO] [stdout]     |                                          ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 107 |     assert!(string.starts_with("Ui { "), "{}", string);
[INFO] [stdout]     |                                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.00s
[INFO] running `Command { std: "docker" "inspect" "56e79f39f449fb2b527c45e228aa29b1d67015d17ef9f67bbfc964bab0a74ae6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56e79f39f449fb2b527c45e228aa29b1d67015d17ef9f67bbfc964bab0a74ae6", kill_on_drop: false }`
[INFO] [stdout] 56e79f39f449fb2b527c45e228aa29b1d67015d17ef9f67bbfc964bab0a74ae6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 862552d8206b035185468dbcd406c8c43274fdcd2089871e2850e91fa5aed513
[INFO] running `Command { std: "docker" "start" "-a" "862552d8206b035185468dbcd406c8c43274fdcd2089871e2850e91fa5aed513", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stdout] running 0 tests
[INFO] [stderr]    --> tests/test_ui.rs:107:42
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 107 |     assert!(string.starts_with("Ui { "), string);
[INFO] [stdout] 
[INFO] [stderr]     |                                          ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]     |
[INFO] [stderr] 107 |     assert!(string.starts_with("Ui { "), "{}", string);
[INFO] [stderr]     |                                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/gui-a94ec7ef8f5d111e)
[INFO] [stderr]      Running tests/test_events.rs (/opt/rustwide/target/debug/deps/test_events-2fbde4c919ad10e9)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test hook_emitted_events ... ok
[INFO] [stdout] test targeted_event_returned_on_no_focus ... ok
[INFO] [stdout] test hook_events_handler ... ok
[INFO] [stdout] test events_bubble_up_when_unhandled ... ok
[INFO] [stdout] test event_propagation ... ok
[INFO] [stdout] test hook_can_send_message ... ok
[INFO] [stdout] test hook_events_return_value ... ok
[INFO] [stdout] test event_handling_with_focus ... ok
[INFO] [stdout] test hook_event_merging - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_message.rs (/opt/rustwide/target/debug/deps/test_message-bb4479ffda5f80be)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_render.rs (/opt/rustwide/target/debug/deps/test_render-d99d5550965d94c9)
[INFO] [stdout] running 4 tests
[INFO] [stderr]      Running tests/test_ui.rs (/opt/rustwide/target/debug/deps/test_ui-edb470045e0ff390)
[INFO] [stdout] test forward_message ... ok
[INFO] [stdout] test repeated_send_receive ... ok
[INFO] [stdout] test call_message ... ok
[INFO] [stdout] test no_handler ... 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] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test bounding_box_is_properly_sized ... ok
[INFO] [stdout] test render_honors_visibility_flag ... ok
[INFO] [stdout] test render_is_called_for_each_widget ... 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] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test focus_makes_widget_visible ... ok
[INFO] [stdout] test creation_order_is_child_order ... ok
[INFO] [stdout] test visibility_fun ... ok
[INFO] [stdout] test event_based_widget_creation ... ok
[INFO] [stdout] test recursive_widget_operations ... ok
[INFO] [stdout] test focus_widget ... ok
[INFO] [stdout] test correct_ids ... ok
[INFO] [stdout] test hide_changes_child_order ... ok
[INFO] [stdout] test no_initial_focus ... ok
[INFO] [stdout] test recursive_widget_creation ... ok
[INFO] [stdout] test repeated_show_preserves_order ... ok
[INFO] [stdout] test repeated_hide_preserves_order ... ok
[INFO] [stdout] test moving_widget_creation ... ok
[INFO] [stdout] test debug_format ... ok
[INFO] [stdout] test focus_changes_child_order ... ok
[INFO] [stdout] test incorrect_widget_id - should panic ... ok
[INFO] [stderr]    Doc-tests gui
[INFO] [stdout] test share_ids_between_ui_objects - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/renderer.rs - renderer::Renderer::render (line 61) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.33s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "862552d8206b035185468dbcd406c8c43274fdcd2089871e2850e91fa5aed513", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "862552d8206b035185468dbcd406c8c43274fdcd2089871e2850e91fa5aed513", kill_on_drop: false }`
[INFO] [stdout] 862552d8206b035185468dbcd406c8c43274fdcd2089871e2850e91fa5aed513