[INFO] crate specs_sprite 0.4.3 is already in cache
[INFO] extracting crate specs_sprite 0.4.3 into work/ex/beta-1.38-1/sources/1.37.0/reg/specs_sprite/0.4.3
[INFO] extracting crate specs_sprite 0.4.3 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/specs_sprite/0.4.3
[INFO] validating manifest of specs_sprite-0.4.3 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 specs_sprite-0.4.3 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 specs_sprite-0.4.3
[INFO] finished frobbing specs_sprite-0.4.3
[INFO] frobbed toml for specs_sprite-0.4.3 written to work/ex/beta-1.38-1/sources/1.37.0/reg/specs_sprite/0.4.3/Cargo.toml
[INFO] started frobbing specs_sprite-0.4.3
[INFO] finished frobbing specs_sprite-0.4.3
[INFO] frobbed toml for specs_sprite-0.4.3 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/specs_sprite/0.4.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 specs_sprite-0.4.3 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/reg/specs_sprite/0.4.3:/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] 6478737c779ac66de187acde33c5e9b75c4c097096eb0dd8320dd7c18038c7b7
[INFO] running `"docker" "start" "-a" "6478737c779ac66de187acde33c5e9b75c4c097096eb0dd8320dd7c18038c7b7"`
[INFO] [stderr]    Compiling crossbeam-utils v0.5.0
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling mopa v0.2.2
[INFO] [stderr]    Compiling atom v0.3.5
[INFO] [stderr]    Compiling hashbrown v0.5.0
[INFO] [stderr]    Compiling tuple_utils v0.3.0
[INFO] [stderr]    Compiling shrev v1.1.1
[INFO] [stderr]    Compiling tuple_utils v0.2.0
[INFO] [stderr]    Compiling type-name v0.1.0
[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/type-name-0.1.0/src/lib.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #![feature(core_intrinsics)]
[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 `type-name`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "6478737c779ac66de187acde33c5e9b75c4c097096eb0dd8320dd7c18038c7b7"`
[INFO] running `"docker" "rm" "-f" "6478737c779ac66de187acde33c5e9b75c4c097096eb0dd8320dd7c18038c7b7"`
[INFO] [stdout] 6478737c779ac66de187acde33c5e9b75c4c097096eb0dd8320dd7c18038c7b7