[INFO] updating cached repository SammyJames/tweetsie
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/SammyJames/tweetsie
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/SammyJames/tweetsie" "work/ex/beta-1.38-1/sources/1.37.0/gh/SammyJames/tweetsie"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/SammyJames/tweetsie'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/SammyJames/tweetsie" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/SammyJames/tweetsie"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/SammyJames/tweetsie'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1dd9db1f8d2fd7566b85fa4ed8d28b246ed0e211
[INFO] sha for GitHub repo SammyJames/tweetsie: 1dd9db1f8d2fd7566b85fa4ed8d28b246ed0e211
[INFO] validating manifest of SammyJames/tweetsie on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of SammyJames/tweetsie on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing SammyJames/tweetsie
[INFO] finished frobbing SammyJames/tweetsie
[INFO] frobbed toml for SammyJames/tweetsie written to work/ex/beta-1.38-1/sources/1.37.0/gh/SammyJames/tweetsie/Cargo.toml
[INFO] started frobbing SammyJames/tweetsie
[INFO] finished frobbing SammyJames/tweetsie
[INFO] frobbed toml for SammyJames/tweetsie written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/SammyJames/tweetsie/Cargo.toml
[INFO] crate SammyJames/tweetsie already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing SammyJames/tweetsie against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/SammyJames/tweetsie:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 70c9f472a62467151042210a0e087c854cf7f6a729516f397add550688f19957
[INFO] running `"docker" "start" "-a" "70c9f472a62467151042210a0e087c854cf7f6a729516f397add550688f19957"`
[INFO] [stderr]    Compiling gcc v0.3.43
[INFO] [stderr]    Compiling gdk-pixbuf v0.1.1 (https://github.com/gtk-rs/gdk-pixbuf#739fe928)
[INFO] [stderr]    Compiling gio v0.1.1 (https://github.com/gtk-rs/gio#a7e8f44f)
[INFO] [stderr]    Compiling cairo-rs v0.1.1 (https://github.com/gtk-rs/cairo#411ffb9c)
[INFO] [stderr]    Compiling openssl v0.9.7
[INFO] [stderr]    Compiling c_vec v1.2.0
[INFO] [stderr]    Compiling gdk v0.5.1 (https://github.com/gtk-rs/gdk#8b334252)
[INFO] [stderr]    Compiling gtk v0.1.1 (https://github.com/gtk-rs/gtk.git#7a4b9660)
[INFO] [stderr]    Compiling glib-sys v0.3.2 (https://github.com/gtk-rs/sys#9ae84c22)
[INFO] [stderr]    Compiling gobject-sys v0.3.2 (https://github.com/gtk-rs/sys#9ae84c22)
[INFO] [stderr]    Compiling gio-sys v0.3.2 (https://github.com/gtk-rs/sys#9ae84c22)
[INFO] [stderr]    Compiling pango-sys v0.3.2 (https://github.com/gtk-rs/sys#9ae84c22)
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.3.2 (https://github.com/gtk-rs/sys#9ae84c22)
[INFO] [stderr]    Compiling cairo-sys-rs v0.3.2 (https://github.com/gtk-rs/cairo#411ffb9c)
[INFO] [stderr]    Compiling gdk-sys v0.3.2 (https://github.com/gtk-rs/sys#9ae84c22)
[INFO] [stderr]    Compiling atk-sys v0.3.2 (https://github.com/gtk-rs/sys#9ae84c22)
[INFO] [stderr]    Compiling gtk-sys v0.3.2 (https://github.com/gtk-rs/sys#9ae84c22)
[INFO] [stderr]    Compiling secstr v0.2.1
[INFO] [stderr]    Compiling futures v0.1.10
[INFO] [stderr]    Compiling hyper v0.10.4
[INFO] [stderr]    Compiling idna v0.1.0
[INFO] [stderr]    Compiling thread_local v0.3.3
[INFO] [stderr]    Compiling regex v0.2.1
[INFO] [stderr]    Compiling openssl-sys v0.9.7
[INFO] [stderr]    Compiling rust-crypto v0.2.36 (https://github.com/DaGenix/rust-crypto#cc1a5fde)
[INFO] [stderr]    Compiling url v1.4.0
[INFO] [stderr]    Compiling glib v0.1.1 (https://github.com/gtk-rs/glib#da33c35a)
[INFO] [stderr] error[E0119]: conflicting implementations of trait `value::SetValueOptional` for type `&_`:
[INFO] [stderr]    --> /opt/crater/cargo-home/git/checkouts/glib-928cf7b282977403/da33c35/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/crater/cargo-home/git/checkouts/glib-928cf7b282977403/da33c35/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] warning[E0713]: borrow may still be in use when destructor runs
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.4.0/src/form_urlencoded.rs:246:40
[INFO] [stderr]     |
[INFO] [stderr] 244 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stderr]     |      -- lifetime `'a` defined here
[INFO] [stderr] 245 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stderr] 246 |     fn finish(self) -> &'a mut ::Url { self.url }
[INFO] [stderr]     |                                        ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait
[INFO] [stderr]     |                                        |
[INFO] [stderr]     |                                        returning this value requires that `*self.url` is borrowed for `'a`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]     = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]     = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "70c9f472a62467151042210a0e087c854cf7f6a729516f397add550688f19957"`
[INFO] running `"docker" "rm" "-f" "70c9f472a62467151042210a0e087c854cf7f6a729516f397add550688f19957"`
[INFO] [stdout] 70c9f472a62467151042210a0e087c854cf7f6a729516f397add550688f19957