[INFO] fetching crate kobalt-core 0.0.2...
[INFO] testing kobalt-core-0.0.2 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate kobalt-core 0.0.2 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate kobalt-core 0.0.2
[INFO] finished tweaking crates.io crate kobalt-core 0.0.2
[INFO] tweaked toml for crates.io crate kobalt-core 0.0.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate kobalt-core 0.0.2 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate kobalt-core 0.0.2 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44c59ca462b7c9622e66692b383d8fda2907d1d3c49ecde0813ad7587c6599d1
[INFO] running `Command { std: "docker" "start" "-a" "44c59ca462b7c9622e66692b383d8fda2907d1d3c49ecde0813ad7587c6599d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44c59ca462b7c9622e66692b383d8fda2907d1d3c49ecde0813ad7587c6599d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44c59ca462b7c9622e66692b383d8fda2907d1d3c49ecde0813ad7587c6599d1", kill_on_drop: false }`
[INFO] [stdout] 44c59ca462b7c9622e66692b383d8fda2907d1d3c49ecde0813ad7587c6599d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa4c0b709a2969c4056abcce32ee220a355c50047d5642d2290278ab5448c255
[INFO] running `Command { std: "docker" "start" "-a" "fa4c0b709a2969c4056abcce32ee220a355c50047d5642d2290278ab5448c255", kill_on_drop: false }`
[INFO] [stderr]    Compiling kobalt-core v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type alias `ChangeListener` is never used
[INFO] [stdout]  --> src/state/change_notifier.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 | type ChangeListener = Box<dyn Fn() + Send + Sync>;
[INFO] [stdout]   |      ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ChangeNotifier` is never constructed
[INFO] [stdout]   --> src/state/change_notifier.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub struct ChangeNotifier {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `add_listener`, `notify`, `clear_listeners`, and `listener_count` are never used
[INFO] [stdout]   --> src/state/change_notifier.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 55 | impl ChangeNotifier {
[INFO] [stdout]    | ------------------- associated items in this implementation
[INFO] [stdout] 56 |     /// Creates a new ChangeNotifier
[INFO] [stdout] 57 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     pub fn add_listener<F>(&self, listener: F)
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 |     pub fn notify(&self) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 81 |     pub fn clear_listeners(&self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 87 |     pub fn listener_count(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "fa4c0b709a2969c4056abcce32ee220a355c50047d5642d2290278ab5448c255", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa4c0b709a2969c4056abcce32ee220a355c50047d5642d2290278ab5448c255", kill_on_drop: false }`
[INFO] [stdout] fa4c0b709a2969c4056abcce32ee220a355c50047d5642d2290278ab5448c255
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2899aa733cca00cd4b3225ea6d5677a5318647325f04ac0364658b2470b935f
[INFO] running `Command { std: "docker" "start" "-a" "f2899aa733cca00cd4b3225ea6d5677a5318647325f04ac0364658b2470b935f", kill_on_drop: false }`
[INFO] [stdout] warning: type alias `ChangeListener` is never used
[INFO] [stdout]  --> src/state/change_notifier.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 | type ChangeListener = Box<dyn Fn() + Send + Sync>;
[INFO] [stdout]   |      ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ChangeNotifier` is never constructed
[INFO] [stdout]   --> src/state/change_notifier.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub struct ChangeNotifier {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `add_listener`, `notify`, `clear_listeners`, and `listener_count` are never used
[INFO] [stdout]   --> src/state/change_notifier.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 55 | impl ChangeNotifier {
[INFO] [stdout]    | ------------------- associated items in this implementation
[INFO] [stdout] 56 |     /// Creates a new ChangeNotifier
[INFO] [stdout] 57 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     pub fn add_listener<F>(&self, listener: F)
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 |     pub fn notify(&self) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 81 |     pub fn clear_listeners(&self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 87 |     pub fn listener_count(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling kobalt-core v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "f2899aa733cca00cd4b3225ea6d5677a5318647325f04ac0364658b2470b935f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2899aa733cca00cd4b3225ea6d5677a5318647325f04ac0364658b2470b935f", kill_on_drop: false }`
[INFO] [stdout] f2899aa733cca00cd4b3225ea6d5677a5318647325f04ac0364658b2470b935f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3c4cffdc79e661850419e388c14f3962401c94756725053e58f3d6a2d6a8daf5
[INFO] running `Command { std: "docker" "start" "-a" "3c4cffdc79e661850419e388c14f3962401c94756725053e58f3d6a2d6a8daf5", kill_on_drop: false }`
[INFO] [stderr] warning: type alias `ChangeListener` is never used
[INFO] [stderr]  --> src/state/change_notifier.rs:9:6
[INFO] [stderr]   |
[INFO] [stderr] 9 | type ChangeListener = Box<dyn Fn() + Send + Sync>;
[INFO] [stderr]   |      ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ChangeNotifier` is never constructed
[INFO] [stderr]   --> src/state/change_notifier.rs:51:12
[INFO] [stderr]    |
[INFO] [stderr] 51 | pub struct ChangeNotifier {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `add_listener`, `notify`, `clear_listeners`, and `listener_count` are never used
[INFO] [stderr]   --> src/state/change_notifier.rs:57:12
[INFO] [stderr]    |
[INFO] [stderr] 55 | impl ChangeNotifier {
[INFO] [stderr]    | ------------------- associated items in this implementation
[INFO] [stderr] 56 |     /// Creates a new ChangeNotifier
[INFO] [stderr] 57 |     pub fn new() -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 64 |     pub fn add_listener<F>(&self, listener: F)
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 73 |     pub fn notify(&self) {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 81 |     pub fn clear_listeners(&self) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 87 |     pub fn listener_count(&self) -> usize {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `kobalt-core` (lib) generated 3 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/kobalt_core-db5919423eeed8b4)
[INFO] [stdout] 
[INFO] [stdout] running 32 tests
[INFO] [stdout] test state::change_notifier::tests::test_change_notifier_basic ... ok
[INFO] [stdout] test state::change_notifier::tests::test_change_notifier_multiple_listeners ... ok
[INFO] [stdout] test state::change_notifier::tests::test_change_notifier_with_struct ... ok
[INFO] [stdout] test state::live_data::tests::test_live_data_basic ... ok
[INFO] [stdout] test state::live_data::tests::test_live_data_clone ... ok
[INFO] [stdout] test state::live_data::tests::test_live_data_multiple_observers ... ok
[INFO] [stdout] test state::live_data::tests::test_live_data_observer ... ok
[INFO] [stdout] test state::live_data::tests::test_live_data_observer_count ... ok
[INFO] [stdout] test state::live_data::tests::test_live_data_update ... ok
[INFO] [stdout] test state::value_notifier::tests::test_value_notifier_basic ... ok
[INFO] [stdout] test state::change_notifier::tests::test_change_notifier_clear ... ok
[INFO] [stdout] test state::live_data::tests::test_live_data_clear_observers ... ok
[INFO] [stdout] test state::value_notifier::tests::test_value_notifier_listener ... ok
[INFO] [stdout] test state::change_notifier::tests::test_change_notifier_listener_count ... ok
[INFO] [stdout] test state::value_notifier::tests::test_value_notifier_multiple_listeners ... ok
[INFO] [stdout] test state::value_notifier::tests::test_value_notifier_clone ... ok
[INFO] [stdout] test state::live_data::tests::test_live_data_string ... ok
[INFO] [stdout] test state::value_notifier::tests::test_value_notifier_listener_count ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test state::value_notifier::tests::test_value_notifier_string ... ok
[INFO] [stdout] test types::tests::test_color_from_hex ... ok
[INFO] [stdout] test types::tests::test_color_constants ... ok
[INFO] [stdout] test types::tests::test_color_from_rgb8 ... ok
[INFO] [stdout] test types::tests::test_point_operations ... ok
[INFO] [stdout] test types::tests::test_rect_intersection ... ok
[INFO] [stdout] test types::tests::test_rect_operations ... ok
[INFO] [stdout] test types::tests::test_size_operations ... ok
[INFO] [stdout] test widget::tests::test_constraints_constrain ... ok
[INFO] [stdout] test state::value_notifier::tests::test_value_notifier_clear_listeners ... ok
[INFO] [stdout] test state::value_notifier::tests::test_value_notifier_update ... ok
[INFO] [stdout] test state::change_notifier::tests::test_change_notifier_clone ... ok
[INFO] [stdout] test widget::tests::test_constraints_tight ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 32 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests kobalt_core
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/state/change_notifier.rs - state::change_notifier::ChangeNotifier (line 18) ... FAILED
[INFO] [stdout] test src/state/value_notifier.rs - state::value_notifier::ValueNotifier (line 17) ... ok
[INFO] [stdout] test src/state/live_data.rs - state::live_data::LiveData (line 14) ... ok
[INFO] [stdout] test src/state/live_data.rs - state::live_data::LiveData<T>::update (line 72) ... ok
[INFO] [stdout] test src/state/value_notifier.rs - state::value_notifier::ValueNotifier<T>::update (line 68) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/state/change_notifier.rs - state::change_notifier::ChangeNotifier (line 18) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `kobalt_core::state::ChangeNotifier`
[INFO] [stdout]   --> src/state/change_notifier.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use kobalt_core::state::ChangeNotifier;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `ChangeNotifier` in `state`
[INFO] [stdout]    |
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]    |
[INFO] [stdout] 20 - use kobalt_core::state::ChangeNotifier;
[INFO] [stdout] 20 + use kobalt_core::state::change_notifier;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/state/change_notifier.rs - state::change_notifier::ChangeNotifier (line 18)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 4 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.36s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.49s; merged doctests compilation took 0.13s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "3c4cffdc79e661850419e388c14f3962401c94756725053e58f3d6a2d6a8daf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c4cffdc79e661850419e388c14f3962401c94756725053e58f3d6a2d6a8daf5", kill_on_drop: false }`
[INFO] [stdout] 3c4cffdc79e661850419e388c14f3962401c94756725053e58f3d6a2d6a8daf5