[INFO] crate better-web-view 0.6.0 is already in cache [INFO] testing better-web-view-0.6.0 against beta-2020-07-24 for beta-1.46-1 [INFO] extracting crate better-web-view 0.6.0 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate better-web-view 0.6.0 on toolchain beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", 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-2/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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" "+beta-2020-07-24" "fetch" "--locked" "--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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 42435a6ad8031f7d5dd8f1dc3a370fcafee41986424da72223959e13cf4af5d7 [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" "42435a6ad8031f7d5dd8f1dc3a370fcafee41986424da72223959e13cf4af5d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "42435a6ad8031f7d5dd8f1dc3a370fcafee41986424da72223959e13cf4af5d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "42435a6ad8031f7d5dd8f1dc3a370fcafee41986424da72223959e13cf4af5d7", kill_on_drop: false }` [INFO] [stdout] 42435a6ad8031f7d5dd8f1dc3a370fcafee41986424da72223959e13cf4af5d7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 279bd679cb6c7d3ce29f494cf5aa6da0a3327003c6e74dba5447f8cac61a6cbf [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" "279bd679cb6c7d3ce29f494cf5aa6da0a3327003c6e74dba5447f8cac61a6cbf", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.38 [INFO] [stderr] Compiling serde_derive v1.0.114 [INFO] [stderr] Compiling serde v1.0.114 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling cc v1.0.58 [INFO] [stderr] Compiling pkg-config v0.3.18 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling serde_json v1.0.57 [INFO] [stderr] Compiling itoa v0.4.6 [INFO] [stderr] Compiling boxfnonce v0.1.1 [INFO] [stderr] Compiling urlencoding v1.1.1 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling webview-sys v0.1.4 [INFO] [stderr] Compiling 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] [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] [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] [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: could not compile `better-web-view`. [INFO] [stdout] error: aborting due to 2 previous errors; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] [INFO] [stdout] Some errors have detailed explanations: E0308, E0605. [INFO] [stdout] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stdout] For more information about an error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "279bd679cb6c7d3ce29f494cf5aa6da0a3327003c6e74dba5447f8cac61a6cbf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "279bd679cb6c7d3ce29f494cf5aa6da0a3327003c6e74dba5447f8cac61a6cbf", kill_on_drop: false }` [INFO] [stdout] 279bd679cb6c7d3ce29f494cf5aa6da0a3327003c6e74dba5447f8cac61a6cbf