[INFO] updating cached repository dvdplm/rsmq-dashboard
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dvdplm/rsmq-dashboard
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dvdplm/rsmq-dashboard" "work/ex/beta-1.38-1/sources/1.37.0/gh/dvdplm/rsmq-dashboard"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/dvdplm/rsmq-dashboard'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dvdplm/rsmq-dashboard" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dvdplm/rsmq-dashboard"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dvdplm/rsmq-dashboard'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ab18b07d0e64a60a0c17b7b0cff38c6679ca6e3b
[INFO] sha for GitHub repo dvdplm/rsmq-dashboard: ab18b07d0e64a60a0c17b7b0cff38c6679ca6e3b
[INFO] validating manifest of dvdplm/rsmq-dashboard 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 dvdplm/rsmq-dashboard 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 dvdplm/rsmq-dashboard
[INFO] finished frobbing dvdplm/rsmq-dashboard
[INFO] frobbed toml for dvdplm/rsmq-dashboard written to work/ex/beta-1.38-1/sources/1.37.0/gh/dvdplm/rsmq-dashboard/Cargo.toml
[INFO] started frobbing dvdplm/rsmq-dashboard
[INFO] finished frobbing dvdplm/rsmq-dashboard
[INFO] frobbed toml for dvdplm/rsmq-dashboard written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dvdplm/rsmq-dashboard/Cargo.toml
[INFO] crate dvdplm/rsmq-dashboard 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 dvdplm/rsmq-dashboard 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-7/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/dvdplm/rsmq-dashboard:/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] e72729560780a540eb1d832edccff55f11de2ea8cd377ecdb04c8fba600630f0
[INFO] running `"docker" "start" "-a" "e72729560780a540eb1d832edccff55f11de2ea8cd377ecdb04c8fba600630f0"`
[INFO] [stderr]    Compiling redis v0.8.0
[INFO] [stderr]    Compiling radix v0.3.5
[INFO] [stderr]    Compiling cassowary v0.2.1
[INFO] [stderr]    Compiling termion v1.5.1
[INFO] [stderr]    Compiling termion v1.5.1 (https://github.com/ticki/termion#b3e0bbdf)
[INFO] [stderr]    Compiling r2d2 v0.8.1
[INFO] [stderr]    Compiling clap v2.29.0
[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/radix-0.3.5/src/lib.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![feature(conservative_impl_trait)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[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/radix-0.3.5/src/lib.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #![feature(i128_type)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `radix`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "e72729560780a540eb1d832edccff55f11de2ea8cd377ecdb04c8fba600630f0"`
[INFO] running `"docker" "rm" "-f" "e72729560780a540eb1d832edccff55f11de2ea8cd377ecdb04c8fba600630f0"`
[INFO] [stdout] e72729560780a540eb1d832edccff55f11de2ea8cd377ecdb04c8fba600630f0