[INFO] crate webview 0.1.1 is already in cache
[INFO] extracting crate webview 0.1.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/webview/0.1.1
[INFO] extracting crate webview 0.1.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/webview/0.1.1
[INFO] validating manifest of webview-0.1.1 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of webview-0.1.1 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing webview-0.1.1
[INFO] finished frobbing webview-0.1.1
[INFO] frobbed toml for webview-0.1.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/webview/0.1.1/Cargo.toml
[INFO] started frobbing webview-0.1.1
[INFO] finished frobbing webview-0.1.1
[INFO] frobbed toml for webview-0.1.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/webview/0.1.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing webview-0.1.1 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/webview/0.1.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] c2022ed92cf5ee3321ffaed02e3a46462b73499381f717e87e096206fdbcb9ed
[INFO] running `"docker" "start" "-a" "c2022ed92cf5ee3321ffaed02e3a46462b73499381f717e87e096206fdbcb9ed"`
[INFO] [stderr]    Compiling webview v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: library/webview.c: In function 'r_webview_eval':
[INFO] [stderr] warning: library/webview.c:25:1: warning: control reaches end of non-void function [-Wreturn-type]
[INFO] [stderr] warning:  }
[INFO] [stderr] warning:  ^
[INFO] [stderr] warning: library/webview.c: In function 'r_webview_inject_css':
[INFO] [stderr] warning: library/webview.c:30:1: warning: control reaches end of non-void function [-Wreturn-type]
[INFO] [stderr] warning:  }
[INFO] [stderr] warning:  ^
[INFO] [stderr] warning: In file included from library/webview.c:1:0:
[INFO] [stderr] warning: At top level:
[INFO] [stderr] warning: library/webview.h:157:13: warning: 'webview_debug' defined but not used [-Wunused-function]
[INFO] [stderr] warning:  static void webview_debug(const char *format, ...)
[INFO] [stderr] warning:              ^~~~~~~~~~~~~
[INFO] [stderr] warning: library/webview.h:138:12: warning: 'webview' defined but not used [-Wunused-function]
[INFO] [stderr] warning:  static int webview(const char *title, const char *url, int w, int h,
[INFO] [stderr] warning:             ^~~~~~~
[INFO] [stderr] warning: unused variable: `window`
[INFO] [stderr]   --> src/ffi.rs:38:30
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub extern "C" fn dispatcher(window: &Window, data: *mut DispatchUserData) -> () {
[INFO] [stderr]    |                              ^^^^^^ help: consider prefixing with an underscore: `_window`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `DialogType`
[INFO] [stderr]  --> src/ffi.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub enum DialogType {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `WEBVIEW_DIALOG_FLAG_FILE`
[INFO] [stderr]   --> src/ffi.rs:43:1
[INFO] [stderr]    |
[INFO] [stderr] 43 | pub const WEBVIEW_DIALOG_FLAG_FILE: c_int = (0 << 0);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `WEBVIEW_DIALOG_FLAG_DIRECTORY`
[INFO] [stderr]   --> src/ffi.rs:44:1
[INFO] [stderr]    |
[INFO] [stderr] 44 | pub const WEBVIEW_DIALOG_FLAG_DIRECTORY: c_int = (1 << 0);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `WEBVIEW_DIALOG_FLAG_INFO`
[INFO] [stderr]   --> src/ffi.rs:45:1
[INFO] [stderr]    |
[INFO] [stderr] 45 | pub const WEBVIEW_DIALOG_FLAG_INFO: c_int = (1 << 1);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `WEBVIEW_DIALOG_FLAG_WARNING`
[INFO] [stderr]   --> src/ffi.rs:46:1
[INFO] [stderr]    |
[INFO] [stderr] 46 | pub const WEBVIEW_DIALOG_FLAG_WARNING: c_int = (2 << 1);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `WEBVIEW_DIALOG_FLAG_ERROR`
[INFO] [stderr]   --> src/ffi.rs:47:1
[INFO] [stderr]    |
[INFO] [stderr] 47 | pub const WEBVIEW_DIALOG_FLAG_ERROR: c_int = (3 << 1);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `WEBVIEW_DIALOG_FLAG_ALERT_MASK`
[INFO] [stderr]   --> src/ffi.rs:48:1
[INFO] [stderr]    |
[INFO] [stderr] 48 | pub const WEBVIEW_DIALOG_FLAG_ALERT_MASK: c_int = (3 << 1);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `DEFAULT_URL`
[INFO] [stderr]   --> src/ffi.rs:49:1
[INFO] [stderr]    |
[INFO] [stderr] 49 | pub const DEFAULT_URL: &str = "data:text/html,%3Cbody%3E%3C%2Fbody%3E";
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `r_webview_set_fullscreen`
[INFO] [stderr]   --> src/ffi.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub fn r_webview_set_fullscreen(webview: &Window, fullscreen: c_int) -> ();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `r_webview_dialog`
[INFO] [stderr]   --> src/ffi.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 | /     pub fn r_webview_dialog(
[INFO] [stderr] 61 | |         webview: &Window,
[INFO] [stderr] 62 | |         dlgtype: DialogType,
[INFO] [stderr] 63 | |         flags: c_int,
[INFO] [stderr] ...  |
[INFO] [stderr] 67 | |         resultsz: isize,
[INFO] [stderr] 68 | |     ) -> ();
[INFO] [stderr]    | |____________^
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `std::vec::Vec<u8>` which is not FFI-safe: this struct has unspecified layout
[INFO] [stderr]   --> src/ffi.rs:53:36
[INFO] [stderr]    |
[INFO] [stderr] 53 |     pub fn r_webview_init(webview: &Window) -> c_int;
[INFO] [stderr]    |                                    ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(improper_ctypes)] on by default
[INFO] [stderr]    = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `std::vec::Vec<u8>` which is not FFI-safe: this struct has unspecified layout
[INFO] [stderr]   --> src/ffi.rs:54:36
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub fn r_webview_loop(webview: &Window, blocking: c_int) -> c_int;
[INFO] [stderr]    |                                    ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `std::vec::Vec<u8>` which is not FFI-safe: this struct has unspecified layout
[INFO] [stderr]   --> src/ffi.rs:55:36
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn r_webview_exit(webview: &Window);
[INFO] [stderr]    |                                    ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `std::vec::Vec<u8>` which is not FFI-safe: this struct has unspecified layout
[INFO] [stderr]   --> src/ffi.rs:56:36
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn r_webview_eval(webview: &Window, js: *const c_char) -> c_int;
[INFO] [stderr]    |                                    ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `std::vec::Vec<u8>` which is not FFI-safe: this struct has unspecified layout
[INFO] [stderr]   --> src/ffi.rs:57:42
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn r_webview_inject_css(webview: &Window, css: *const c_char) -> c_int;
[INFO] [stderr]    |                                          ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `std::vec::Vec<u8>` which is not FFI-safe: this struct has unspecified layout
[INFO] [stderr]   --> src/ffi.rs:58:41
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub fn r_webview_set_title(webview: &Window, title: *const c_char) -> ();
[INFO] [stderr]    |                                         ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `std::vec::Vec<u8>` which is not FFI-safe: this struct has unspecified layout
[INFO] [stderr]   --> src/ffi.rs:59:46
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub fn r_webview_set_fullscreen(webview: &Window, fullscreen: c_int) -> ();
[INFO] [stderr]    |                                              ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `std::vec::Vec<u8>` which is not FFI-safe: this struct has unspecified layout
[INFO] [stderr]   --> src/ffi.rs:61:18
[INFO] [stderr]    |
[INFO] [stderr] 61 |         webview: &Window,
[INFO] [stderr]    |                  ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `std::vec::Vec<u8>` which is not FFI-safe: this struct has unspecified layout
[INFO] [stderr]   --> src/ffi.rs:70:18
[INFO] [stderr]    |
[INFO] [stderr] 70 |         webview: &Window,
[INFO] [stderr]    |                  ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `std::vec::Vec<u8>` which is not FFI-safe: this struct has unspecified layout
[INFO] [stderr]   --> src/ffi.rs:71:13
[INFO] [stderr]    |
[INFO] [stderr] 71 |         cb: extern "C" fn(window: &Window, arg: *mut DispatchUserData) -> (),
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `std::vec::Vec<u8>` which is not FFI-safe: this struct has unspecified layout
[INFO] [stderr]   --> src/ffi.rs:75:40
[INFO] [stderr]    |
[INFO] [stderr] 75 |     pub fn r_webview_terminate(window: &Window) -> ();
[INFO] [stderr]    |                                        ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `"docker" "inspect" "c2022ed92cf5ee3321ffaed02e3a46462b73499381f717e87e096206fdbcb9ed"`
[INFO] running `"docker" "rm" "-f" "c2022ed92cf5ee3321ffaed02e3a46462b73499381f717e87e096206fdbcb9ed"`
[INFO] [stdout] c2022ed92cf5ee3321ffaed02e3a46462b73499381f717e87e096206fdbcb9ed
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/webview/0.1.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] fc5d34bc019f229a365e724354b446188871ddd586dc4fbfca38a7978bd7d4d4
[INFO] running `"docker" "start" "-a" "fc5d34bc019f229a365e724354b446188871ddd586dc4fbfca38a7978bd7d4d4"`
[INFO] [stderr] warning: library/webview.c: In function 'r_webview_eval':
[INFO] [stderr] warning: library/webview.c:25:1: warning: control reaches end of non-void function [-Wreturn-type]
[INFO] [stderr] warning:  }
[INFO] [stderr] warning:  ^
[INFO] [stderr] warning: library/webview.c: In function 'r_webview_inject_css':
[INFO] [stderr] warning: library/webview.c:30:1: warning: control reaches end of non-void function [-Wreturn-type]
[INFO] [stderr] warning:  }
[INFO] [stderr] warning:  ^
[INFO] [stderr] warning: In file included from library/webview.c:1:0:
[INFO] [stderr] warning: At top level:
[INFO] [stderr] warning: library/webview.h:157:13: warning: 'webview_debug' defined but not used [-Wunused-function]
[INFO] [stderr] warning:  static void webview_debug(const char *format, ...)
[INFO] [stderr] warning:              ^~~~~~~~~~~~~
[INFO] [stderr] warning: library/webview.h:138:12: warning: 'webview' defined but not used [-Wunused-function]
[INFO] [stderr] warning:  static int webview(const char *title, const char *url, int w, int h,
[INFO] [stderr] warning:             ^~~~~~~
[INFO] [stderr]    Compiling webview v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `window`
[INFO] [stderr]   --> src/ffi.rs:38:30
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub extern "C" fn dispatcher(window: &Window, data: *mut DispatchUserData) -> () {
[INFO] [stderr]    |                              ^^^^^^ help: consider prefixing with an underscore: `_window`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `DialogType`
[INFO] [stderr]  --> src/ffi.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub enum DialogType {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `WEBVIEW_DIALOG_FLAG_FILE`
[INFO] [stderr]   --> src/ffi.rs:43:1
[INFO] [stderr]    |
[INFO] [stderr] 43 | pub const WEBVIEW_DIALOG_FLAG_FILE: c_int = (0 << 0);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `WEBVIEW_DIALOG_FLAG_DIRECTORY`
[INFO] [stderr]   --> src/ffi.rs:44:1
[INFO] [stderr]    |
[INFO] [stderr] 44 | pub const WEBVIEW_DIALOG_FLAG_DIRECTORY: c_int = (1 << 0);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `WEBVIEW_DIALOG_FLAG_INFO`
[INFO] [stderr]   --> src/ffi.rs:45:1
[INFO] [stderr]    |
[INFO] [stderr] 45 | pub const WEBVIEW_DIALOG_FLAG_INFO: c_int = (1 << 1);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `WEBVIEW_DIALOG_FLAG_WARNING`
[INFO] [stderr]   --> src/ffi.rs:46:1
[INFO] [stderr]    |
[INFO] [stderr] 46 | pub const WEBVIEW_DIALOG_FLAG_WARNING: c_int = (2 << 1);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `WEBVIEW_DIALOG_FLAG_ERROR`
[INFO] [stderr]   --> src/ffi.rs:47:1
[INFO] [stderr]    |
[INFO] [stderr] 47 | pub const WEBVIEW_DIALOG_FLAG_ERROR: c_int = (3 << 1);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `WEBVIEW_DIALOG_FLAG_ALERT_MASK`
[INFO] [stderr]   --> src/ffi.rs:48:1
[INFO] [stderr]    |
[INFO] [stderr] 48 | pub const WEBVIEW_DIALOG_FLAG_ALERT_MASK: c_int = (3 << 1);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `DEFAULT_URL`
[INFO] [stderr]   --> src/ffi.rs:49:1
[INFO] [stderr]    |
[INFO] [stderr] 49 | pub const DEFAULT_URL: &str = "data:text/html,%3Cbody%3E%3C%2Fbody%3E";
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `r_webview_set_fullscreen`
[INFO] [stderr]   --> src/ffi.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub fn r_webview_set_fullscreen(webview: &Window, fullscreen: c_int) -> ();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `r_webview_dialog`
[INFO] [stderr]   --> src/ffi.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 | /     pub fn r_webview_dialog(
[INFO] [stderr] 61 | |         webview: &Window,
[INFO] [stderr] 62 | |         dlgtype: DialogType,
[INFO] [stderr] 63 | |         flags: c_int,
[INFO] [stderr] ...  |
[INFO] [stderr] 67 | |         resultsz: isize,
[INFO] [stderr] 68 | |     ) -> ();
[INFO] [stderr]    | |____________^
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `std::vec::Vec<u8>` which is not FFI-safe: this struct has unspecified layout
[INFO] [stderr]   --> src/ffi.rs:53:36
[INFO] [stderr]    |
[INFO] [stderr] 53 |     pub fn r_webview_init(webview: &Window) -> c_int;
[INFO] [stderr]    |                                    ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(improper_ctypes)] on by default
[INFO] [stderr]    = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `std::vec::Vec<u8>` which is not FFI-safe: this struct has unspecified layout
[INFO] [stderr]   --> src/ffi.rs:54:36
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub fn r_webview_loop(webview: &Window, blocking: c_int) -> c_int;
[INFO] [stderr]    |                                    ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `std::vec::Vec<u8>` which is not FFI-safe: this struct has unspecified layout
[INFO] [stderr]   --> src/ffi.rs:55:36
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn r_webview_exit(webview: &Window);
[INFO] [stderr]    |                                    ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `std::vec::Vec<u8>` which is not FFI-safe: this struct has unspecified layout
[INFO] [stderr]   --> src/ffi.rs:56:36
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn r_webview_eval(webview: &Window, js: *const c_char) -> c_int;
[INFO] [stderr]    |                                    ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `std::vec::Vec<u8>` which is not FFI-safe: this struct has unspecified layout
[INFO] [stderr]   --> src/ffi.rs:57:42
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn r_webview_inject_css(webview: &Window, css: *const c_char) -> c_int;
[INFO] [stderr]    |                                          ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `std::vec::Vec<u8>` which is not FFI-safe: this struct has unspecified layout
[INFO] [stderr]   --> src/ffi.rs:58:41
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub fn r_webview_set_title(webview: &Window, title: *const c_char) -> ();
[INFO] [stderr]    |                                         ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `std::vec::Vec<u8>` which is not FFI-safe: this struct has unspecified layout
[INFO] [stderr]   --> src/ffi.rs:59:46
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub fn r_webview_set_fullscreen(webview: &Window, fullscreen: c_int) -> ();
[INFO] [stderr]    |                                              ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `std::vec::Vec<u8>` which is not FFI-safe: this struct has unspecified layout
[INFO] [stderr]   --> src/ffi.rs:61:18
[INFO] [stderr]    |
[INFO] [stderr] 61 |         webview: &Window,
[INFO] [stderr]    |                  ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `std::vec::Vec<u8>` which is not FFI-safe: this struct has unspecified layout
[INFO] [stderr]   --> src/ffi.rs:70:18
[INFO] [stderr]    |
[INFO] [stderr] 70 |         webview: &Window,
[INFO] [stderr]    |                  ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `std::vec::Vec<u8>` which is not FFI-safe: this struct has unspecified layout
[INFO] [stderr]   --> src/ffi.rs:71:13
[INFO] [stderr]    |
[INFO] [stderr] 71 |         cb: extern "C" fn(window: &Window, arg: *mut DispatchUserData) -> (),
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `std::vec::Vec<u8>` which is not FFI-safe: this struct has unspecified layout
[INFO] [stderr]   --> src/ffi.rs:75:40
[INFO] [stderr]    |
[INFO] [stderr] 75 |     pub fn r_webview_terminate(window: &Window) -> ();
[INFO] [stderr]    |                                        ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a #[repr(C)] or #[repr(transparent)] attribute to this struct
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `"docker" "inspect" "fc5d34bc019f229a365e724354b446188871ddd586dc4fbfca38a7978bd7d4d4"`
[INFO] running `"docker" "rm" "-f" "fc5d34bc019f229a365e724354b446188871ddd586dc4fbfca38a7978bd7d4d4"`
[INFO] [stdout] fc5d34bc019f229a365e724354b446188871ddd586dc4fbfca38a7978bd7d4d4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/webview/0.1.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 408b874adbeb4276f9b07e389b0bb929af9d917565d02a6f96872fc7b9c0a52d
[INFO] running `"docker" "start" "-a" "408b874adbeb4276f9b07e389b0bb929af9d917565d02a6f96872fc7b9c0a52d"`
[INFO] [stderr] warning: library/webview.c: In function 'r_webview_eval':
[INFO] [stderr] warning: library/webview.c:25:1: warning: control reaches end of non-void function [-Wreturn-type]
[INFO] [stderr] warning:  }
[INFO] [stderr] warning:  ^
[INFO] [stderr] warning: library/webview.c: In function 'r_webview_inject_css':
[INFO] [stderr] warning: library/webview.c:30:1: warning: control reaches end of non-void function [-Wreturn-type]
[INFO] [stderr] warning:  }
[INFO] [stderr] warning:  ^
[INFO] [stderr] warning: In file included from library/webview.c:1:0:
[INFO] [stderr] warning: At top level:
[INFO] [stderr] warning: library/webview.h:157:13: warning: 'webview_debug' defined but not used [-Wunused-function]
[INFO] [stderr] warning:  static void webview_debug(const char *format, ...)
[INFO] [stderr] warning:              ^~~~~~~~~~~~~
[INFO] [stderr] warning: library/webview.h:138:12: warning: 'webview' defined but not used [-Wunused-function]
[INFO] [stderr] warning:  static int webview(const char *title, const char *url, int w, int h,
[INFO] [stderr] warning:             ^~~~~~~
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/webview-8618cffd9b297b9a
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests webview
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "408b874adbeb4276f9b07e389b0bb929af9d917565d02a6f96872fc7b9c0a52d"`
[INFO] running `"docker" "rm" "-f" "408b874adbeb4276f9b07e389b0bb929af9d917565d02a6f96872fc7b9c0a52d"`
[INFO] [stdout] 408b874adbeb4276f9b07e389b0bb929af9d917565d02a6f96872fc7b9c0a52d