[INFO] fetching crate better-web-view 0.6.0... [INFO] checking better-web-view-0.6.0 against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041 [INFO] extracting crate better-web-view 0.6.0 into /workspace/builds/worker-103/source [INFO] validating manifest of crates.io crate better-web-view 0.6.0 on toolchain 39e1293fce4b650061e85dda88aa428f726a8444 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate better-web-view 0.6.0 [INFO] finished tweaking crates.io crate better-web-view 0.6.0 [INFO] tweaked toml for crates.io crate better-web-view 0.6.0 written to /workspace/builds/worker-103/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded boxfnonce v0.1.1 [INFO] [stderr] Downloaded webview-sys v0.1.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fdc877c26c9cf26e6b0f017760c408121c9a927e12e8432c289d9a2a1028ba08 [INFO] running `Command { std: "docker" "start" "-a" "fdc877c26c9cf26e6b0f017760c408121c9a927e12e8432c289d9a2a1028ba08", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fdc877c26c9cf26e6b0f017760c408121c9a927e12e8432c289d9a2a1028ba08", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fdc877c26c9cf26e6b0f017760c408121c9a927e12e8432c289d9a2a1028ba08", kill_on_drop: false }` [INFO] [stdout] fdc877c26c9cf26e6b0f017760c408121c9a927e12e8432c289d9a2a1028ba08 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bd380d6c7c2d07825a812df52ee6ddee7429660a285daee587f228360107c228 [INFO] running `Command { std: "docker" "start" "-a" "bd380d6c7c2d07825a812df52ee6ddee7429660a285daee587f228360107c228", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling serde v1.0.127 [INFO] [stderr] Checking boxfnonce v0.1.1 [INFO] [stderr] Compiling webview-sys v0.1.4 [INFO] [stderr] Checking serde_json v1.0.66 [INFO] [stderr] Checking better-web-view v0.6.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/error.rs:28:16 [INFO] [stdout] | [INFO] [stdout] 28 | Custom(Box), [INFO] [stdout] | ^^^^^^^^^^^ help: use `dyn`: `dyn CustomError` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/error.rs:28:16 [INFO] [stdout] | [INFO] [stdout] 28 | Custom(Box), [INFO] [stdout] | ^^^^^^^^^^^ help: use `dyn`: `dyn CustomError` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/error.rs:39:32 [INFO] [stdout] | [INFO] [stdout] 39 | fn cause(&self) -> Option<&error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/error.rs:39:32 [INFO] [stdout] | [INFO] [stdout] 39 | fn cause(&self) -> Option<&error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:241:25 [INFO] [stdout] | [INFO] [stdout] 241 | invoke_handler: Box, &str) -> WVResult + 'a>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut WebView, &str) -> WVResult + 'a` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:241:25 [INFO] [stdout] | [INFO] [stdout] 241 | invoke_handler: Box, &str) -> WVResult + 'a>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut WebView, &str) -> WVResult + 'a` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/lib.rs:287:22 [INFO] [stdout] | [INFO] [stdout] 287 | Some(ffi_invoke_handler::), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ expected "C" fn, found "system" fn [INFO] [stdout] | [INFO] [stdout] = note: expected fn pointer `extern "C" fn(_, _)` [INFO] [stdout] found fn item `extern "system" fn(_, _) {ffi_invoke_handler::}` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0605]: non-primitive cast: `extern "system" fn(*mut ffi::CWebView, *mut std::ffi::c_void) {ffi_dispatch_handler::}` as `extern "C" fn(*mut ffi::CWebView, *mut std::ffi::c_void)` [INFO] [stdout] --> src/lib.rs:502:22 [INFO] [stdout] | [INFO] [stdout] 502 | Some(ffi_dispatch_handler:: as _), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ invalid cast [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/lib.rs:287:22 [INFO] [stdout] | [INFO] [stdout] 287 | Some(ffi_invoke_handler::), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ expected "C" fn, found "system" fn [INFO] [stdout] | [INFO] [stdout] = note: expected fn pointer `extern "C" fn(_, _)` [INFO] [stdout] found fn item `extern "system" fn(_, _) {ffi_invoke_handler::}` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0605]: non-primitive cast: `extern "system" fn(*mut ffi::CWebView, *mut std::ffi::c_void) {ffi_dispatch_handler::}` as `extern "C" fn(*mut ffi::CWebView, *mut std::ffi::c_void)` [INFO] [stdout] --> src/lib.rs:502:22 [INFO] [stdout] | [INFO] [stdout] 502 | Some(ffi_dispatch_handler:: as _), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ invalid cast [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0308, E0605. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `better-web-view` due to 3 previous errors; 3 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 2 previous errors; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0308, E0605. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "bd380d6c7c2d07825a812df52ee6ddee7429660a285daee587f228360107c228", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bd380d6c7c2d07825a812df52ee6ddee7429660a285daee587f228360107c228", kill_on_drop: false }` [INFO] [stdout] bd380d6c7c2d07825a812df52ee6ddee7429660a285daee587f228360107c228