[INFO] fetching crate weebview 0.1.0...
[INFO] checking weebview-0.1.0 against master#a874956d940ecb3ed524b6176a171219ac4787ea for pr-76104
[INFO] extracting crate weebview 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate weebview 0.1.0 on toolchain a874956d940ecb3ed524b6176a171219ac4787ea
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate weebview 0.1.0
[INFO] finished tweaking crates.io crate weebview 0.1.0
[INFO] tweaked toml for crates.io crate weebview 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate weebview 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce0239adadb11eee216825a156e1ce575d64a5a5eed9aafc8b5db0a0769b2f55
[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" "ce0239adadb11eee216825a156e1ce575d64a5a5eed9aafc8b5db0a0769b2f55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce0239adadb11eee216825a156e1ce575d64a5a5eed9aafc8b5db0a0769b2f55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce0239adadb11eee216825a156e1ce575d64a5a5eed9aafc8b5db0a0769b2f55", kill_on_drop: false }`
[INFO] [stdout] ce0239adadb11eee216825a156e1ce575d64a5a5eed9aafc8b5db0a0769b2f55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4a484128263e608520de33b18d33d3339da672cf35cd5fbcffe8b285938fcb29
[INFO] running `Command { std: "docker" "start" "-a" "4a484128263e608520de33b18d33d3339da672cf35cd5fbcffe8b285938fcb29", kill_on_drop: false }`
[INFO] [stderr]    Compiling glib-sys v0.9.1
[INFO] [stderr]    Compiling gobject-sys v0.9.1
[INFO] [stderr]    Compiling gio-sys v0.9.1
[INFO] [stderr]    Compiling pango-sys v0.9.1
[INFO] [stderr]    Compiling cairo-sys-rs v0.9.2
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.9.1
[INFO] [stderr]    Compiling gdk-sys v0.9.1
[INFO] [stderr]    Compiling atk-sys v0.9.1
[INFO] [stderr]    Compiling soup-sys v0.9.0
[INFO] [stderr]    Compiling gtk-sys v0.9.2
[INFO] [stderr]    Compiling webkit2gtk-sys v0.10.0
[INFO] [stderr]     Checking javascriptcore-rs-sys v0.2.0
[INFO] [stderr]     Checking weebview v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `fn_`
[INFO] [stdout]    --> src/lib.rs:181:83
[INFO] [stdout]     |
[INFO] [stdout] 181 | pub unsafe extern "C" fn webview_bind(webview: *mut WebView, name: *const c_char, fn_: BindFn, arg: *mut c_void) {
[INFO] [stdout]     |                                                                                   ^^^ help: if this is intentional, prefix it with an underscore: `_fn_`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/lib.rs:181:96
[INFO] [stdout]     |
[INFO] [stdout] 181 | pub unsafe extern "C" fn webview_bind(webview: *mut WebView, name: *const c_char, fn_: BindFn, arg: *mut c_void) {
[INFO] [stdout]     |                                                                                                ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `webview`
[INFO] [stdout]    --> src/lib.rs:227:9
[INFO] [stdout]     |
[INFO] [stdout] 227 |     let webview: *mut WebView = mem::transmute(arg);
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_webview`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fn_`
[INFO] [stdout]    --> src/lib.rs:181:83
[INFO] [stdout]     |
[INFO] [stdout] 181 | pub unsafe extern "C" fn webview_bind(webview: *mut WebView, name: *const c_char, fn_: BindFn, arg: *mut c_void) {
[INFO] [stdout]     |                                                                                   ^^^ help: if this is intentional, prefix it with an underscore: `_fn_`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/lib.rs:181:96
[INFO] [stdout]     |
[INFO] [stdout] 181 | pub unsafe extern "C" fn webview_bind(webview: *mut WebView, name: *const c_char, fn_: BindFn, arg: *mut c_void) {
[INFO] [stdout]     |                                                                                                ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `webview`
[INFO] [stdout]    --> src/lib.rs:227:9
[INFO] [stdout]     |
[INFO] [stdout] 227 |     let webview: *mut WebView = mem::transmute(arg);
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_webview`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.44s
[INFO] running `Command { std: "docker" "inspect" "4a484128263e608520de33b18d33d3339da672cf35cd5fbcffe8b285938fcb29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a484128263e608520de33b18d33d3339da672cf35cd5fbcffe8b285938fcb29", kill_on_drop: false }`
[INFO] [stdout] 4a484128263e608520de33b18d33d3339da672cf35cd5fbcffe8b285938fcb29