[INFO] fetching crate better-web-view 0.6.0...
[INFO] checking better-web-view-0.6.0 against master#fd2c811d25ad5773fbd2463e058bf4edf4d44eb2 for pr-130443
[INFO] extracting crate better-web-view 0.6.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate better-web-view 0.6.0 on toolchain fd2c811d25ad5773fbd2463e058bf4edf4d44eb2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fd2c811d25ad5773fbd2463e058bf4edf4d44eb2" "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-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fd2c811d25ad5773fbd2463e058bf4edf4d44eb2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 17 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.6.0)
[INFO] [stderr]       Adding urlencoding v1.3.3 (available: v2.1.3)
[INFO] [stderr]       Adding webview-sys v0.1.4 (available: v0.6.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fd2c811d25ad5773fbd2463e058bf4edf4d44eb2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded boxfnonce v0.1.1
[INFO] [stderr]   Downloaded urlencoding v1.3.3
[INFO] [stderr]   Downloaded webview-sys v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+fd2c811d25ad5773fbd2463e058bf4edf4d44eb2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 96cd000b61ba6741348f38235c7af304dd95043fc0ad6f1bd1a95041f7a02c13
[INFO] running `Command { std: "docker" "start" "-a" "96cd000b61ba6741348f38235c7af304dd95043fc0ad6f1bd1a95041f7a02c13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96cd000b61ba6741348f38235c7af304dd95043fc0ad6f1bd1a95041f7a02c13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96cd000b61ba6741348f38235c7af304dd95043fc0ad6f1bd1a95041f7a02c13", kill_on_drop: false }`
[INFO] [stdout] 96cd000b61ba6741348f38235c7af304dd95043fc0ad6f1bd1a95041f7a02c13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+fd2c811d25ad5773fbd2463e058bf4edf4d44eb2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 385e421b4f2303326fafaf55f0ca5020699121d5bd16097856a98ecae8974def
[INFO] running `Command { std: "docker" "start" "-a" "385e421b4f2303326fafaf55f0ca5020699121d5bd16097856a98ecae8974def", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling serde v1.0.210
[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 quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]     Checking serde_json v1.0.128
[INFO] [stderr]     Checking better-web-view v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]    --> src/lib.rs:257:17
[INFO] [stdout]     |
[INFO] [stdout] 257 |     #![cfg_attr(feature = "cargo-clippy", allow(clippy::too_many_arguments))]
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `V1_30` and `default`
[INFO] [stdout]     = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]    --> src/lib.rs:257:17
[INFO] [stdout]     |
[INFO] [stdout] 257 |     #![cfg_attr(feature = "cargo-clippy", allow(clippy::too_many_arguments))]
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `V1_30` and `default`
[INFO] [stdout]     = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[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<CustomError>),
[INFO] [stdout]    |                ^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 28 |     Custom(Box<dyn CustomError>),
[INFO] [stdout]    |                +++
[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<CustomError>),
[INFO] [stdout]    |                ^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 28 |     Custom(Box<dyn CustomError>),
[INFO] [stdout]    |                +++
[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<FnMut(&mut WebView<T>, &str) -> WVResult + 'a>,
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 241 |     invoke_handler: Box<dyn FnMut(&mut WebView<T>, &str) -> WVResult + 'a>,
[INFO] [stdout]     |                         +++
[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<FnMut(&mut WebView<T>, &str) -> WVResult + 'a>,
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 241 |     invoke_handler: Box<dyn FnMut(&mut WebView<T>, &str) -> WVResult + 'a>,
[INFO] [stdout]     |                         +++
[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]    |                                ^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]    |                                +++
[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]    |                                ^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]    |                                +++
[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::<T>),
[INFO] [stdout]     |                 ---- ^^^^^^^^^^^^^^^^^^^^^^^ expected "C" fn, found "system" fn
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 arguments to this enum variant are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected fn pointer `extern "C" fn(_, _)`
[INFO] [stdout]                   found fn item `extern "system" fn(_, _) {ffi_invoke_handler::<T>}`
[INFO] [stdout] help: the type constructed contains `extern "system" fn(*mut ffi::CWebView, *const i8) {ffi_invoke_handler::<T>}` due to the type of the argument passed
[INFO] [stdout]    --> src/lib.rs:287:17
[INFO] [stdout]     |
[INFO] [stdout] 287 |                 Some(ffi_invoke_handler::<T>),
[INFO] [stdout]     |                 ^^^^^-----------------------^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      this argument influences the type of `Some`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]    --> /rustc/fd2c811d25ad5773fbd2463e058bf4edf4d44eb2/library/core/src/option.rs:579:5
[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::<T>),
[INFO] [stdout]     |                 ---- ^^^^^^^^^^^^^^^^^^^^^^^ expected "C" fn, found "system" fn
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 arguments to this enum variant are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected fn pointer `extern "C" fn(_, _)`
[INFO] [stdout]                   found fn item `extern "system" fn(_, _) {ffi_invoke_handler::<T>}`
[INFO] [stdout] help: the type constructed contains `extern "system" fn(*mut ffi::CWebView, *const i8) {ffi_invoke_handler::<T>}` due to the type of the argument passed
[INFO] [stdout]    --> src/lib.rs:287:17
[INFO] [stdout]     |
[INFO] [stdout] 287 |                 Some(ffi_invoke_handler::<T>),
[INFO] [stdout]     |                 ^^^^^-----------------------^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      this argument influences the type of `Some`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]    --> /rustc/fd2c811d25ad5773fbd2463e058bf4edf4d44eb2/library/core/src/option.rs:579:5
[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::<T>}` 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::<T> as _),
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ invalid cast
[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::<T>}` 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::<T> as _),
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ invalid cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 4 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] [stdout] error: aborting due to 2 previous errors; 4 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` (lib test) due to 3 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `better-web-view` (lib) due to 3 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "385e421b4f2303326fafaf55f0ca5020699121d5bd16097856a98ecae8974def", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "385e421b4f2303326fafaf55f0ca5020699121d5bd16097856a98ecae8974def", kill_on_drop: false }`
[INFO] [stdout] 385e421b4f2303326fafaf55f0ca5020699121d5bd16097856a98ecae8974def
