[INFO] fetching crate floui 0.1.5...
[INFO] building floui-0.1.5 against try#23647e694de8d0904848ad068b2e0ec2dd098c37+target=wasm32-wasip1 for pr-149868
[INFO] extracting crate floui 0.1.5 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate floui 0.1.5
[INFO] finished tweaking crates.io crate floui 0.1.5
[INFO] tweaked toml for crates.io crate floui 0.1.5 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate floui 0.1.5 on toolchain 23647e694de8d0904848ad068b2e0ec2dd098c37
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23647e694de8d0904848ad068b2e0ec2dd098c37" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate floui 0.1.5 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" "+23647e694de8d0904848ad068b2e0ec2dd098c37" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+23647e694de8d0904848ad068b2e0ec2dd098c37" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 818c2b8ae501d1fab5d7ccfa3a700807889b41ef03ed137939dff74c23f1549c
[INFO] running `Command { std: "docker" "start" "-a" "818c2b8ae501d1fab5d7ccfa3a700807889b41ef03ed137939dff74c23f1549c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "818c2b8ae501d1fab5d7ccfa3a700807889b41ef03ed137939dff74c23f1549c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "818c2b8ae501d1fab5d7ccfa3a700807889b41ef03ed137939dff74c23f1549c", kill_on_drop: false }`
[INFO] [stdout] 818c2b8ae501d1fab5d7ccfa3a700807889b41ef03ed137939dff74c23f1549c
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+23647e694de8d0904848ad068b2e0ec2dd098c37" "build" "--frozen" "--message-format=json" "--target" "wasm32-wasip1", kill_on_drop: false }`
[INFO] [stdout] a04d011d4505e0d87fc1c5253ebe278e1ca65c88c1a2304358018edf501278f5
[INFO] running `Command { std: "docker" "start" "-a" "a04d011d4505e0d87fc1c5253ebe278e1ca65c88c1a2304358018edf501278f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling floui-sys v0.1.4
[INFO] [stderr]    Compiling floui v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/widgets/button.rs:42:29
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 let f: &mut (dyn FnMut(&Button)) = &mut **a;
[INFO] [stdout]    |                             ^                  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 42 -                 let f: &mut (dyn FnMut(&Button)) = &mut **a;
[INFO] [stdout] 42 +                 let f: &mut dyn FnMut(&Button)  = &mut **a;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/widgets/button.rs:103:29
[INFO] [stdout]     |
[INFO] [stdout] 103 |                 let f: &mut (dyn FnMut(&Toggle)) = &mut **a;
[INFO] [stdout]     |                             ^                  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 103 -                 let f: &mut (dyn FnMut(&Toggle)) = &mut **a;
[INFO] [stdout] 103 +                 let f: &mut dyn FnMut(&Toggle)  = &mut **a;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/widgets/button.rs:174:29
[INFO] [stdout]     |
[INFO] [stdout] 174 |                 let f: &mut (dyn FnMut(&Check)) = &mut **a;
[INFO] [stdout]     |                             ^                 ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 174 -                 let f: &mut (dyn FnMut(&Check)) = &mut **a;
[INFO] [stdout] 174 +                 let f: &mut dyn FnMut(&Check)  = &mut **a;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/widgets/misc.rs:98:29
[INFO] [stdout]    |
[INFO] [stdout] 98 |                 let f: &mut (dyn FnMut(&Slider)) = &mut **a;
[INFO] [stdout]    |                             ^                  ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 98 -                 let f: &mut (dyn FnMut(&Slider)) = &mut **a;
[INFO] [stdout] 98 +                 let f: &mut dyn FnMut(&Slider)  = &mut **a;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.29s
[INFO] running `Command { std: "docker" "inspect" "a04d011d4505e0d87fc1c5253ebe278e1ca65c88c1a2304358018edf501278f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a04d011d4505e0d87fc1c5253ebe278e1ca65c88c1a2304358018edf501278f5", kill_on_drop: false }`
[INFO] [stdout] a04d011d4505e0d87fc1c5253ebe278e1ca65c88c1a2304358018edf501278f5
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+23647e694de8d0904848ad068b2e0ec2dd098c37" "test" "--frozen" "--no-run" "--message-format=json" "--target" "wasm32-wasip1", kill_on_drop: false }`
[INFO] [stdout] 819c69cc8a33cf29a196eafd317b9b0ede5f5e9b3a7af6c3183aafa5d5bfce4b
[INFO] running `Command { std: "docker" "start" "-a" "819c69cc8a33cf29a196eafd317b9b0ede5f5e9b3a7af6c3183aafa5d5bfce4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling floui v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/widgets/button.rs:42:29
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 let f: &mut (dyn FnMut(&Button)) = &mut **a;
[INFO] [stdout]    |                             ^                  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 42 -                 let f: &mut (dyn FnMut(&Button)) = &mut **a;
[INFO] [stdout] 42 +                 let f: &mut dyn FnMut(&Button)  = &mut **a;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/widgets/button.rs:103:29
[INFO] [stdout]     |
[INFO] [stdout] 103 |                 let f: &mut (dyn FnMut(&Toggle)) = &mut **a;
[INFO] [stdout]     |                             ^                  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 103 -                 let f: &mut (dyn FnMut(&Toggle)) = &mut **a;
[INFO] [stdout] 103 +                 let f: &mut dyn FnMut(&Toggle)  = &mut **a;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/widgets/button.rs:174:29
[INFO] [stdout]     |
[INFO] [stdout] 174 |                 let f: &mut (dyn FnMut(&Check)) = &mut **a;
[INFO] [stdout]     |                             ^                 ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 174 -                 let f: &mut (dyn FnMut(&Check)) = &mut **a;
[INFO] [stdout] 174 +                 let f: &mut dyn FnMut(&Check)  = &mut **a;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/widgets/misc.rs:98:29
[INFO] [stdout]    |
[INFO] [stdout] 98 |                 let f: &mut (dyn FnMut(&Slider)) = &mut **a;
[INFO] [stdout]    |                             ^                  ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 98 -                 let f: &mut (dyn FnMut(&Slider)) = &mut **a;
[INFO] [stdout] 98 +                 let f: &mut dyn FnMut(&Slider)  = &mut **a;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/widgets/button.rs:42:29
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 let f: &mut (dyn FnMut(&Button)) = &mut **a;
[INFO] [stdout]    |                             ^                  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 42 -                 let f: &mut (dyn FnMut(&Button)) = &mut **a;
[INFO] [stdout] 42 +                 let f: &mut dyn FnMut(&Button)  = &mut **a;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/widgets/button.rs:103:29
[INFO] [stdout]     |
[INFO] [stdout] 103 |                 let f: &mut (dyn FnMut(&Toggle)) = &mut **a;
[INFO] [stdout]     |                             ^                  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 103 -                 let f: &mut (dyn FnMut(&Toggle)) = &mut **a;
[INFO] [stdout] 103 +                 let f: &mut dyn FnMut(&Toggle)  = &mut **a;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/widgets/button.rs:174:29
[INFO] [stdout]     |
[INFO] [stdout] 174 |                 let f: &mut (dyn FnMut(&Check)) = &mut **a;
[INFO] [stdout]     |                             ^                 ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 174 -                 let f: &mut (dyn FnMut(&Check)) = &mut **a;
[INFO] [stdout] 174 +                 let f: &mut dyn FnMut(&Check)  = &mut **a;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/widgets/misc.rs:98:29
[INFO] [stdout]    |
[INFO] [stdout] 98 |                 let f: &mut (dyn FnMut(&Slider)) = &mut **a;
[INFO] [stdout]    |                             ^                  ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 98 -                 let f: &mut (dyn FnMut(&Slider)) = &mut **a;
[INFO] [stdout] 98 +                 let f: &mut dyn FnMut(&Slider)  = &mut **a;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `rust-lld` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "rust-lld" "-flavor" "wasm" "--export" "__main_void" "--export" "floui_handle_events" "--export" "floui_main" "-z" "stack-size=1048576" "--stack-first" "--no-demangle" "<sysroot>/lib/rustlib/wasm32-wasip1/lib/self-contained/crt1-command.o" "<3 object files omitted>" "<sysroot>/lib/rustlib/wasm32-wasip1/lib/libpanic_abort-*.rlib" "/opt/rustwide/target/wasm32-wasip1/debug/deps/{libfloui-049934600cabe410,liblazy_static-36da267ce9339a94,libfloui_sys-caea3bc237484359}.rlib" "<sysroot>/lib/rustlib/wasm32-wasip1/lib/{libstd-*,libwasi-*,libcfg_if-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,liblibc-*}.rlib" "-l" "c" "<sysroot>/lib/rustlib/wasm32-wasip1/lib/{librustc_std_workspace_core-*,liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "<sysroot>/lib/rustlib/wasm32-wasip1/lib/self-contained" "-o" "/opt/rustwide/target/wasm32-wasip1/debug/examples/simple-e2b2af4249c1e783.wasm" "--gc-sections" "-O0"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: rust-lld: error: /opt/rustwide/target/wasm32-wasip1/debug/examples/simple-e2b2af4249c1e783.simple.48729b4cae0d7629-cgu.0.rcgu.o: undefined symbol: CButton_action
[INFO] [stdout]           rust-lld: error: /opt/rustwide/target/wasm32-wasip1/debug/examples/simple-e2b2af4249c1e783.simple.48729b4cae0d7629-cgu.0.rcgu.o: undefined symbol: CButton_action
[INFO] [stdout]           rust-lld: error: /opt/rustwide/target/wasm32-wasip1/debug/examples/simple-e2b2af4249c1e783.simple.48729b4cae0d7629-cgu.0.rcgu.o: undefined symbol: CWidget_inner
[INFO] [stdout]           rust-lld: error: /opt/rustwide/target/wasm32-wasip1/debug/examples/simple-e2b2af4249c1e783.simple.48729b4cae0d7629-cgu.0.rcgu.o: undefined symbol: CWidget_inner
[INFO] [stdout]           rust-lld: error: /opt/rustwide/target/wasm32-wasip1/debug/examples/simple-e2b2af4249c1e783.simple.48729b4cae0d7629-cgu.0.rcgu.o: undefined symbol: CWidget_inner
[INFO] [stdout]           rust-lld: error: /opt/rustwide/target/wasm32-wasip1/debug/deps/libfloui-049934600cabe410.rlib(floui-049934600cabe410.floui.7c25a66e95f7fe77-cgu.0.rcgu.o): undefined symbol: CFlouiViewController_handle_events
[INFO] [stdout]           rust-lld: error: /opt/rustwide/target/wasm32-wasip1/debug/deps/libfloui-049934600cabe410.rlib(floui-049934600cabe410.floui.7c25a66e95f7fe77-cgu.0.rcgu.o): undefined symbol: CFlouiViewController_new
[INFO] [stdout]           rust-lld: error: /opt/rustwide/target/wasm32-wasip1/debug/deps/libfloui-049934600cabe410.rlib(floui-049934600cabe410.floui.7c25a66e95f7fe77-cgu.0.rcgu.o): undefined symbol: CText_new
[INFO] [stdout]           rust-lld: error: /opt/rustwide/target/wasm32-wasip1/debug/deps/libfloui-049934600cabe410.rlib(floui-049934600cabe410.floui.7c25a66e95f7fe77-cgu.0.rcgu.o): undefined symbol: CText_bold
[INFO] [stdout]           rust-lld: error: /opt/rustwide/target/wasm32-wasip1/debug/deps/libfloui-049934600cabe410.rlib(floui-049934600cabe410.floui.7c25a66e95f7fe77-cgu.0.rcgu.o): undefined symbol: CText_text
[INFO] [stdout]           rust-lld: error: /opt/rustwide/target/wasm32-wasip1/debug/deps/libfloui-049934600cabe410.rlib(floui-049934600cabe410.floui.7c25a66e95f7fe77-cgu.0.rcgu.o): undefined symbol: CText_center
[INFO] [stdout]           rust-lld: error: /opt/rustwide/target/wasm32-wasip1/debug/deps/libfloui-049934600cabe410.rlib(floui-049934600cabe410.floui.7c25a66e95f7fe77-cgu.0.rcgu.o): undefined symbol: CMainView_new
[INFO] [stdout]           rust-lld: error: /opt/rustwide/target/wasm32-wasip1/debug/deps/libfloui-049934600cabe410.rlib(floui-049934600cabe410.floui.7c25a66e95f7fe77-cgu.0.rcgu.o): undefined symbol: CMainView_add
[INFO] [stdout]           rust-lld: error: /opt/rustwide/target/wasm32-wasip1/debug/deps/libfloui-049934600cabe410.rlib(floui-049934600cabe410.floui.7c25a66e95f7fe77-cgu.0.rcgu.o): undefined symbol: CButton_foreground
[INFO] [stdout]           rust-lld: error: /opt/rustwide/target/wasm32-wasip1/debug/deps/libfloui-049934600cabe410.rlib(floui-049934600cabe410.floui.7c25a66e95f7fe77-cgu.0.rcgu.o): undefined symbol: CButton_new
[INFO] [stdout]           rust-lld: error: /opt/rustwide/target/wasm32-wasip1/debug/deps/libfloui-049934600cabe410.rlib(floui-049934600cabe410.floui.7c25a66e95f7fe77-cgu.0.rcgu.o): undefined symbol: Cfloui_log
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `floui` (example "simple") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "819c69cc8a33cf29a196eafd317b9b0ede5f5e9b3a7af6c3183aafa5d5bfce4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "819c69cc8a33cf29a196eafd317b9b0ede5f5e9b3a7af6c3183aafa5d5bfce4b", kill_on_drop: false }`
[INFO] [stdout] 819c69cc8a33cf29a196eafd317b9b0ede5f5e9b3a7af6c3183aafa5d5bfce4b