[INFO] crate rsvr_tweak 0.0.1-alpha.0 is already in cache
[INFO] extracting crate rsvr_tweak 0.0.1-alpha.0 into work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/reg/rsvr_tweak/0.0.1-alpha.0
[INFO] extracting crate rsvr_tweak 0.0.1-alpha.0 into work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/reg/rsvr_tweak/0.0.1-alpha.0
[INFO] validating manifest of rsvr_tweak-0.0.1-alpha.0 on toolchain master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rsvr_tweak-0.0.1-alpha.0 on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rsvr_tweak-0.0.1-alpha.0
[INFO] finished frobbing rsvr_tweak-0.0.1-alpha.0
[INFO] frobbed toml for rsvr_tweak-0.0.1-alpha.0 written to work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/reg/rsvr_tweak/0.0.1-alpha.0/Cargo.toml
[INFO] started frobbing rsvr_tweak-0.0.1-alpha.0
[INFO] finished frobbing rsvr_tweak-0.0.1-alpha.0
[INFO] frobbed toml for rsvr_tweak-0.0.1-alpha.0 written to work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/reg/rsvr_tweak/0.0.1-alpha.0/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking rsvr_tweak-0.0.1-alpha.0 against try#58b21121d0b447ceb3f1a655155d802191acf044 for pr-61100
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-5/try#58b21121d0b447ceb3f1a655155d802191acf044:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/reg/rsvr_tweak/0.0.1-alpha.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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=forbid" "-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" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7d44908b3e287062b694203b536e6492d1253fb48393c8424295fecc43b03309
[INFO] running `"docker" "start" "-a" "7d44908b3e287062b694203b536e6492d1253fb48393c8424295fecc43b03309"`
[INFO] [stderr]    Compiling gstreamer v0.12.2
[INFO] [stderr]    Compiling gstreamer-base v0.12.2
[INFO] [stderr]    Compiling gstreamer-sdp v0.12.2
[INFO] [stderr]     Checking muldiv v0.2.0
[INFO] [stderr]    Compiling gstreamer-app v0.12.2
[INFO] [stderr]    Compiling gstreamer-video v0.12.2
[INFO] [stderr]    Compiling gstreamer-webrtc v0.12.2
[INFO] [stderr]     Checking rsvr v0.0.1-alpha.0
[INFO] [stderr]    Compiling gstreamer-sys v0.6.2
[INFO] [stderr]    Compiling gstreamer-base-sys v0.6.2
[INFO] [stderr]    Compiling gstreamer-sdp-sys v0.6.2
[INFO] [stderr]    Compiling gstreamer-webrtc-sys v0.6.2
[INFO] [stderr]    Compiling gstreamer-video-sys v0.6.2
[INFO] [stderr]    Compiling gstreamer-app-sys v0.6.2
[INFO] [stderr]     Checking glib-sys v0.7.0
[INFO] [stderr]    Compiling glium v0.22.0
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking nalgebra v0.16.13
[INFO] [stderr]     Checking serde v1.0.91
[INFO] [stderr]     Checking rental v0.5.3
[INFO] [stderr]     Checking tokio-tls v0.1.4
[INFO] [stderr] error: failed to run custom build command for `gstreamer-sys v0.6.2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/gstreamer-sys-4e752a594164653d/build-script-build` (exit code: 1)
[INFO] [stderr] --- stderr
[INFO] [stderr] `"pkg-config" "--libs" "--cflags" "gstreamer-1.0 >= 1.14"` did not exit successfully: exit code: 1
[INFO] [stderr] --- stderr
[INFO] [stderr] Requested 'gstreamer-1.0 >= 1.14' but version of GStreamer is 1.10.4
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning[E0502]: cannot borrow `*self` as immutable because it is also borrowed as mutable
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.16.13/src/base/cg.rs:291:44
[INFO] [stderr]     |
[INFO] [stderr] 291 |                 self[(j, i)] += shift[j] * self[(D::dim() - 1, i)];
[INFO] [stderr]     |                 ---------------------------^^^^-------------------
[INFO] [stderr]     |                 |                          |
[INFO] [stderr]     |                 |                          immutable borrow occurs here
[INFO] [stderr]     |                 mutable borrow occurs here
[INFO] [stderr]     |                 mutable borrow later used here
[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" "7d44908b3e287062b694203b536e6492d1253fb48393c8424295fecc43b03309"`
[INFO] running `"docker" "rm" "-f" "7d44908b3e287062b694203b536e6492d1253fb48393c8424295fecc43b03309"`
[INFO] [stdout] 7d44908b3e287062b694203b536e6492d1253fb48393c8424295fecc43b03309