[INFO] updating cached repository bfredl/gtknvim
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/bfredl/gtknvim
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/bfredl/gtknvim" "work/ex/beta-1.38-1/sources/1.37.0/gh/bfredl/gtknvim"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/bfredl/gtknvim'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bfredl/gtknvim" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bfredl/gtknvim"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bfredl/gtknvim'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e948263522d16aea8a3f0db4efaf385e7d0aa63f
[INFO] sha for GitHub repo bfredl/gtknvim: e948263522d16aea8a3f0db4efaf385e7d0aa63f
[INFO] validating manifest of bfredl/gtknvim 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 bfredl/gtknvim 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 bfredl/gtknvim
[INFO] finished frobbing bfredl/gtknvim
[INFO] frobbed toml for bfredl/gtknvim written to work/ex/beta-1.38-1/sources/1.37.0/gh/bfredl/gtknvim/Cargo.toml
[INFO] started frobbing bfredl/gtknvim
[INFO] finished frobbing bfredl/gtknvim
[INFO] frobbed toml for bfredl/gtknvim written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bfredl/gtknvim/Cargo.toml
[INFO] crate bfredl/gtknvim 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 bfredl/gtknvim against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bfredl/gtknvim:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 9dd756db7eb465787af6bbbb8060e395a3996ff54a304cbf7b7e859e4a926ea8
[INFO] running `"docker" "start" "-a" "9dd756db7eb465787af6bbbb8060e395a3996ff54a304cbf7b7e859e4a926ea8"`
[INFO] [stderr]    Compiling gio v0.5.0
[INFO] [stderr]    Compiling gdk-pixbuf v0.5.0
[INFO] [stderr]    Compiling cairo-rs v0.5.0
[INFO] [stderr]    Compiling gdk v0.9.0
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.3
[INFO] [stderr]    Compiling gtk v0.5.0
[INFO] [stderr]    Compiling glib-sys v0.7.0
[INFO] [stderr]    Compiling gobject-sys v0.7.0
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/pin-utils-0.1.0-alpha.3/src/lib.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![feature(pin)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `pin-utils`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "9dd756db7eb465787af6bbbb8060e395a3996ff54a304cbf7b7e859e4a926ea8"`
[INFO] running `"docker" "rm" "-f" "9dd756db7eb465787af6bbbb8060e395a3996ff54a304cbf7b7e859e4a926ea8"`
[INFO] [stdout] 9dd756db7eb465787af6bbbb8060e395a3996ff54a304cbf7b7e859e4a926ea8