[INFO] fetching crate way-cooler-background 0.1.0...
[INFO] checking way-cooler-background-0.1.0 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate way-cooler-background 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate way-cooler-background 0.1.0 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate way-cooler-background 0.1.0
[INFO] finished tweaking crates.io crate way-cooler-background 0.1.0
[INFO] tweaked toml for crates.io crate way-cooler-background 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "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" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", 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] c47b14ffb0ead2208d633e7ecbce70bd396ae9afff2965c90bed341da97fa027
[INFO] running `Command { std: "docker" "start" "-a" "c47b14ffb0ead2208d633e7ecbce70bd396ae9afff2965c90bed341da97fa027", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c47b14ffb0ead2208d633e7ecbce70bd396ae9afff2965c90bed341da97fa027", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c47b14ffb0ead2208d633e7ecbce70bd396ae9afff2965c90bed341da97fa027", kill_on_drop: false }`
[INFO] [stdout] c47b14ffb0ead2208d633e7ecbce70bd396ae9afff2965c90bed341da97fa027
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e640724de0b9a69c2e24b24ef53331c46190ada76fa4ce555bda330c95cb3cb
[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" "7e640724de0b9a69c2e24b24ef53331c46190ada76fa4ce555bda330c95cb3cb", kill_on_drop: false }`
[INFO] [stderr] warning: package replacement is not used: https://github.com/rust-lang/crates.io-index#cairo-sys-rs:0.3.1
[INFO] [stderr] warning: package replacement is not used: https://github.com/rust-lang/crates.io-index#glib-sys:0.3.1
[INFO] [stderr] warning: package replacement is not used: https://github.com/rust-lang/crates.io-index#gobject-sys:0.3.1
[INFO] [stderr]     Checking bitflags v0.8.2
[INFO] [stderr]     Checking bitflags v0.5.0
[INFO] [stderr]    Compiling gdk-pixbuf v0.1.3
[INFO] [stderr]    Compiling cairo-rs v0.1.3
[INFO] [stderr]    Compiling gio v0.1.3
[INFO] [stderr]     Checking c_vec v1.2.1
[INFO] [stderr]    Compiling gdk v0.5.3
[INFO] [stderr]    Compiling gtk v0.1.3
[INFO] [stderr]    Compiling glib-sys v0.3.4
[INFO] [stderr]    Compiling gobject-sys v0.3.4
[INFO] [stderr]    Compiling gio-sys v0.3.4
[INFO] [stderr]    Compiling cairo-sys-rs v0.3.4
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.3.4
[INFO] [stderr]    Compiling pango-sys v0.3.4
[INFO] [stderr]    Compiling gdk-sys v0.3.4
[INFO] [stderr]    Compiling atk-sys v0.3.4
[INFO] [stderr]    Compiling gtk-sys v0.3.4
[INFO] [stderr]    Compiling wayland-scanner v0.6.0
[INFO] [stderr]     Checking wayland-sys v0.6.0
[INFO] [stderr]    Compiling wayland-client v0.6.2
[INFO] [stderr]     Checking glib v0.1.3
[INFO] [stdout] error[E0119]: conflicting implementations of trait `value::SetValueOptional` for type `&_`:
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/glib-0.1.3/src/value.rs:509:1
[INFO] [stdout]     |
[INFO] [stdout] 478 | impl<'a, T: ?Sized + SetValueOptional> SetValueOptional for &'a T {
[INFO] [stdout]     | ----------------------------------------------------------------- first implementation here
[INFO] [stdout] ...
[INFO] [stdout] 509 | impl<T: IsA<Object>> SetValueOptional for T {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `&_`
[INFO] [stdout]     |
[INFO] [stdout]     = note: downstream crates may implement trait `object::IsA<object::Object>` for type `&_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0119]: conflicting implementations of trait `value::SetValue` for type `&_`:
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/glib-0.1.3/src/value.rs:503:1
[INFO] [stdout]     |
[INFO] [stdout] 472 | impl<'a, T: ?Sized + SetValue> SetValue for &'a T {
[INFO] [stdout]     | ------------------------------------------------- first implementation here
[INFO] [stdout] ...
[INFO] [stdout] 503 | impl<T: IsA<Object>> SetValue for T {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `&_`
[INFO] [stdout]     |
[INFO] [stdout]     = note: downstream crates may implement trait `object::IsA<object::Object>` for type `&_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0119`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `glib`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7e640724de0b9a69c2e24b24ef53331c46190ada76fa4ce555bda330c95cb3cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e640724de0b9a69c2e24b24ef53331c46190ada76fa4ce555bda330c95cb3cb", kill_on_drop: false }`
[INFO] [stdout] 7e640724de0b9a69c2e24b24ef53331c46190ada76fa4ce555bda330c95cb3cb