[INFO] fetching crate better-web-view 0.6.0... [INFO] checking better-web-view-0.6.0 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248 [INFO] extracting crate better-web-view 0.6.0 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate better-web-view 0.6.0 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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-1/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bd3633f4d3433ed0354a1580b7c812a60ec3194b1a511514d994e4e09573f723 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "bd3633f4d3433ed0354a1580b7c812a60ec3194b1a511514d994e4e09573f723", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bd3633f4d3433ed0354a1580b7c812a60ec3194b1a511514d994e4e09573f723", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bd3633f4d3433ed0354a1580b7c812a60ec3194b1a511514d994e4e09573f723", kill_on_drop: false }` [INFO] [stdout] bd3633f4d3433ed0354a1580b7c812a60ec3194b1a511514d994e4e09573f723 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8f80317439daa902b364e50ca64d7e534cf42e5e42d44412671e784dd58183ea [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "8f80317439daa902b364e50ca64d7e534cf42e5e42d44412671e784dd58183ea", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.74 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling cc v1.0.69 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking urlencoding v1.3.3 [INFO] [stderr] Checking boxfnonce v0.1.1 [INFO] [stderr] Compiling webview-sys v0.1.4 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Checking serde v1.0.126 [INFO] [stderr] Checking serde_json v1.0.64 [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 issue #80165 [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 issue #80165 [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 issue #80165 [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 issue #80165 [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 issue #80165 [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 issue #80165 [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] [stderr] error: could not compile `better-web-view` due to 3 previous errors; 3 warnings emitted [INFO] [stdout] Some errors have detailed explanations: E0308, E0605. [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] For more information about an error, try `rustc --explain E0308`. [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] [stderr] error: build failed [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] running `Command { std: "docker" "inspect" "8f80317439daa902b364e50ca64d7e534cf42e5e42d44412671e784dd58183ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8f80317439daa902b364e50ca64d7e534cf42e5e42d44412671e784dd58183ea", kill_on_drop: false }` [INFO] [stdout] 8f80317439daa902b364e50ca64d7e534cf42e5e42d44412671e784dd58183ea