[INFO] updating cached repository https://github.com/iovxw/dropzone
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a252afa0922b2a8671e449ab0272190cfe2ed033
[INFO] testing iovxw/dropzone against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiovxw%2Fdropzone" "work/builds/worker-1/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iovxw/dropzone on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/iovxw/dropzone
[INFO] finished tweaking git repo https://github.com/iovxw/dropzone
[INFO] tweaked toml for git repo https://github.com/iovxw/dropzone written to work/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/iovxw/dropzone already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 50f34e2e00d6c67d61b865a68b18b0f78247674c756d95f7d1db33d594f83e1b
[INFO] running `"docker" "start" "-a" "50f34e2e00d6c67d61b865a68b18b0f78247674c756d95f7d1db33d594f83e1b"`
[INFO] [stderr]    Compiling gdk-pixbuf v0.1.1
[INFO] [stderr]    Compiling gio v0.1.1
[INFO] [stderr]    Compiling cairo-rs v0.1.1
[INFO] [stderr]    Compiling gdk v0.5.1
[INFO] [stderr]    Compiling gtk v0.1.1
[INFO] [stderr]    Compiling glib-sys v0.3.2
[INFO] [stderr]    Compiling gobject-sys v0.3.2
[INFO] [stderr]    Compiling gio-sys v0.3.2
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.3.2
[INFO] [stderr]    Compiling cairo-sys-rs v0.3.2
[INFO] [stderr]    Compiling pango-sys v0.3.2
[INFO] [stderr]    Compiling gdk-sys v0.3.2
[INFO] [stderr]    Compiling atk-sys v0.3.2
[INFO] [stderr]    Compiling gtk-sys v0.3.2
[INFO] [stderr]    Compiling glib v0.1.1
[INFO] [stderr] error[E0119]: conflicting implementations of trait `value::SetValueOptional` for type `&_`:
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/glib-0.1.1/src/value.rs:489:1
[INFO] [stderr]     |
[INFO] [stderr] 458 | impl<'a, T: ?Sized + SetValueOptional> SetValueOptional for &'a T {
[INFO] [stderr]     | ----------------------------------------------------------------- first implementation here
[INFO] [stderr] ...
[INFO] [stderr] 489 | impl<T: IsA<Object>> SetValueOptional for T {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `&_`
[INFO] [stderr]     |
[INFO] [stderr]     = note: downstream crates may implement trait `object::IsA<object::Object>` for type `&_`
[INFO] [stderr] 
[INFO] [stderr] error[E0119]: conflicting implementations of trait `value::SetValue` for type `&_`:
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/glib-0.1.1/src/value.rs:483:1
[INFO] [stderr]     |
[INFO] [stderr] 452 | impl<'a, T: ?Sized + SetValue> SetValue for &'a T {
[INFO] [stderr]     | ------------------------------------------------- first implementation here
[INFO] [stderr] ...
[INFO] [stderr] 483 | impl<T: IsA<Object>> SetValue for T {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `&_`
[INFO] [stderr]     |
[INFO] [stderr]     = note: downstream crates may implement trait `object::IsA<object::Object>` for type `&_`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0119`.
[INFO] [stderr] error: Could not compile `glib`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "50f34e2e00d6c67d61b865a68b18b0f78247674c756d95f7d1db33d594f83e1b"`
[INFO] running `"docker" "rm" "-f" "50f34e2e00d6c67d61b865a68b18b0f78247674c756d95f7d1db33d594f83e1b"`
[INFO] [stdout] 50f34e2e00d6c67d61b865a68b18b0f78247674c756d95f7d1db33d594f83e1b