[INFO] updating cached repository karitra/zorca
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/karitra/zorca
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/karitra/zorca" "work/ex/beta-1.37-6/sources/1.36.0/gh/karitra/zorca"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/karitra/zorca'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/karitra/zorca" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/karitra/zorca"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/karitra/zorca'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9e316c138bce98404316cf1cdd840fd85ef40eda
[INFO] sha for GitHub repo karitra/zorca: 9e316c138bce98404316cf1cdd840fd85ef40eda
[INFO] validating manifest of karitra/zorca on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of karitra/zorca on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing karitra/zorca
[INFO] finished frobbing karitra/zorca
[INFO] frobbed toml for karitra/zorca written to work/ex/beta-1.37-6/sources/1.36.0/gh/karitra/zorca/Cargo.toml
[INFO] started frobbing karitra/zorca
[INFO] finished frobbing karitra/zorca
[INFO] frobbed toml for karitra/zorca written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/karitra/zorca/Cargo.toml
[INFO] crate karitra/zorca already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing karitra/zorca against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/karitra/zorca:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 024350a17daf7db4ea1becbaee5a894941fe65337aab7eefd8d0dcf6fd5527b9
[INFO] running `"docker" "start" "-a" "024350a17daf7db4ea1becbaee5a894941fe65337aab7eefd8d0dcf6fd5527b9"`
[INFO] [stderr]    Compiling term_size v0.3.1
[INFO] [stderr]    Compiling serde_bytes v0.10.2
[INFO] [stderr]    Compiling rmp v0.8.7
[INFO] [stderr]    Compiling hyper-staticfile v0.1.1
[INFO] [stderr]    Compiling textwrap v0.8.0
[INFO] [stderr]    Compiling rmp-serde v0.13.7
[INFO] [stderr]    Compiling rmpv v0.4.0
[INFO] [stderr]    Compiling clap v2.26.2
[INFO] [stderr]    Compiling cocaine v0.9.0 (https://github.com/3Hren/cocaine-framework-rust?branch=develop#4ebe4203)
[INFO] [stderr] error[E0554]: #![feature] may not be used on the beta release channel
[INFO] [stderr]   --> /opt/crater/cargo-home/git/checkouts/cocaine-framework-rust-43cd5beedfd32c6d/4ebe420/src/lib.rs:96:1
[INFO] [stderr]    |
[INFO] [stderr] 96 | #![feature(conservative_impl_trait)]
[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 `cocaine`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "024350a17daf7db4ea1becbaee5a894941fe65337aab7eefd8d0dcf6fd5527b9"`
[INFO] running `"docker" "rm" "-f" "024350a17daf7db4ea1becbaee5a894941fe65337aab7eefd8d0dcf6fd5527b9"`
[INFO] [stdout] 024350a17daf7db4ea1becbaee5a894941fe65337aab7eefd8d0dcf6fd5527b9