[INFO] updating cached repository DMSrs/dmsrs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/DMSrs/dmsrs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/DMSrs/dmsrs" "work/ex/beta-1.37-6/sources/1.36.0/gh/DMSrs/dmsrs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/DMSrs/dmsrs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/DMSrs/dmsrs" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/DMSrs/dmsrs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/DMSrs/dmsrs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e1112ccf256dbd14a6101cec7c74503ddbef89dc
[INFO] sha for GitHub repo DMSrs/dmsrs: e1112ccf256dbd14a6101cec7c74503ddbef89dc
[INFO] validating manifest of DMSrs/dmsrs 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 DMSrs/dmsrs 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 DMSrs/dmsrs
[INFO] finished frobbing DMSrs/dmsrs
[INFO] frobbed toml for DMSrs/dmsrs written to work/ex/beta-1.37-6/sources/1.36.0/gh/DMSrs/dmsrs/Cargo.toml
[INFO] started frobbing DMSrs/dmsrs
[INFO] finished frobbing DMSrs/dmsrs
[INFO] frobbed toml for DMSrs/dmsrs written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/DMSrs/dmsrs/Cargo.toml
[INFO] crate DMSrs/dmsrs 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 DMSrs/dmsrs 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-2/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/DMSrs/dmsrs:/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] 481794afa4b5db375c6f6014e1d1a8377f02e8820b6c951e1c42a9163ce903fe
[INFO] running `"docker" "start" "-a" "481794afa4b5db375c6f6014e1d1a8377f02e8820b6c951e1c42a9163ce903fe"`
[INFO] [stderr]    Compiling pear v0.0.18
[INFO] [stderr]    Compiling askama_shared v0.7.0
[INFO] [stderr]    Compiling unidecode v0.3.0
[INFO] [stderr]    Compiling cairo-rs v0.3.0
[INFO] [stderr]    Compiling c_vec v1.2.1
[INFO] [stderr]    Compiling atomic v0.4.0
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling socket2 v0.3.7
[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/atomic-0.4.0/src/lib.rs:36:26
[INFO] [stderr]    |
[INFO] [stderr] 36 |     feature = "nightly", feature(const_fn, cfg_target_has_atomic, integer_atomics, atomic_min_max)
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]    Compiling pear_codegen v0.0.18
[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 `atomic`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "481794afa4b5db375c6f6014e1d1a8377f02e8820b6c951e1c42a9163ce903fe"`
[INFO] running `"docker" "rm" "-f" "481794afa4b5db375c6f6014e1d1a8377f02e8820b6c951e1c42a9163ce903fe"`
[INFO] [stdout] 481794afa4b5db375c6f6014e1d1a8377f02e8820b6c951e1c42a9163ce903fe