[INFO] updating cached repository https://github.com/kbsymanz/maze-rust
[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] a75cd76535d340c6bfca094cbb8801215cbe9072
[INFO] testing kbsymanz/maze-rust against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkbsymanz%2Fmaze-rust" "work/builds/worker-6/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kbsymanz/maze-rust on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/kbsymanz/maze-rust
[INFO] finished tweaking git repo https://github.com/kbsymanz/maze-rust
[INFO] tweaked toml for git repo https://github.com/kbsymanz/maze-rust written to work/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/kbsymanz/maze-rust already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 82d8edc71d2b75cbdf4d4d2aa91d670ccaa72e23da2b044c4cb38e9d4cc9426f
[INFO] running `"docker" "start" "-a" "82d8edc71d2b75cbdf4d4d2aa91d670ccaa72e23da2b044c4cb38e9d4cc9426f"`
[INFO] [stderr]    Compiling gio v0.1.2
[INFO] [stderr]    Compiling gdk-pixbuf v0.1.2
[INFO] [stderr]    Compiling gdk v0.5.2
[INFO] [stderr]    Compiling gtk v0.1.2
[INFO] [stderr]    Compiling serde v0.9.13
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling gio-sys v0.3.3
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.3.3
[INFO] [stderr]    Compiling pango-sys v0.3.3
[INFO] [stderr]    Compiling gdk-sys v0.3.3
[INFO] [stderr]    Compiling gtk-sys v0.3.3
[INFO] [stderr]    Compiling num-complex v0.1.37
[INFO] [stderr]    Compiling deflate v0.7.6
[INFO] [stderr]    Compiling uuid v0.4.0
[INFO] [stderr]    Compiling clap v2.23.2
[INFO] [stderr]    Compiling num-bigint v0.1.37
[INFO] [stderr]    Compiling syn v0.11.10
[INFO] [stderr]    Compiling arrayvec v0.3.22
[INFO] [stderr]    Compiling rayon-core v1.0.0
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling glib v0.1.2
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling num-rational v0.1.36
[INFO] [stderr]    Compiling png v0.6.2
[INFO] [stderr]    Compiling rayon v0.7.0
[INFO] [stderr]    Compiling rusttype v0.2.1
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr] error[E0119]: conflicting implementations of trait `value::SetValueOptional` for type `&_`:
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/glib-0.1.2/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-0.1.2/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]    Compiling num v0.1.37
[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" "82d8edc71d2b75cbdf4d4d2aa91d670ccaa72e23da2b044c4cb38e9d4cc9426f"`
[INFO] running `"docker" "rm" "-f" "82d8edc71d2b75cbdf4d4d2aa91d670ccaa72e23da2b044c4cb38e9d4cc9426f"`
[INFO] [stdout] 82d8edc71d2b75cbdf4d4d2aa91d670ccaa72e23da2b044c4cb38e9d4cc9426f