[INFO] crate t1ha 0.1.0 is already in cache
[INFO] extracting crate t1ha 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/t1ha/0.1.0
[INFO] extracting crate t1ha 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/t1ha/0.1.0
[INFO] validating manifest of t1ha-0.1.0 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 t1ha-0.1.0 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 t1ha-0.1.0
[INFO] finished frobbing t1ha-0.1.0
[INFO] frobbed toml for t1ha-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/t1ha/0.1.0/Cargo.toml
[INFO] started frobbing t1ha-0.1.0
[INFO] finished frobbing t1ha-0.1.0
[INFO] frobbed toml for t1ha-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/t1ha/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 t1ha-0.1.0 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-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/t1ha/0.1.0:/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] 3de4250654f00547179097a2ad798b8e7847646cb6fbe87d2129cd28e0aeda4a
[INFO] running `"docker" "start" "-a" "3de4250654f00547179097a2ad798b8e7847646cb6fbe87d2129cd28e0aeda4a"`
[INFO] [stderr]    Compiling t1ha v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `"docker" "inspect" "3de4250654f00547179097a2ad798b8e7847646cb6fbe87d2129cd28e0aeda4a"`
[INFO] running `"docker" "rm" "-f" "3de4250654f00547179097a2ad798b8e7847646cb6fbe87d2129cd28e0aeda4a"`
[INFO] [stdout] 3de4250654f00547179097a2ad798b8e7847646cb6fbe87d2129cd28e0aeda4a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/t1ha/0.1.0:/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" "test" "--frozen" "--no-run"`
[INFO] [stdout] c47a6408b1ebb7961adbf3426c5eed2447671df9931bae84de7e19bacbd63f50
[INFO] running `"docker" "start" "-a" "c47a6408b1ebb7961adbf3426c5eed2447671df9931bae84de7e19bacbd63f50"`
[INFO] [stderr]    Compiling likely v0.1.0
[INFO] [stderr]    Compiling farmhash v1.1.5
[INFO] [stderr]    Compiling metrohash v1.0.6
[INFO] [stderr]    Compiling xxhash-sys v0.1.0
[INFO] [stderr]    Compiling murmur3 v0.4.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.8
[INFO] [stderr]    Compiling criterion v0.2.11
[INFO] [stderr]    Compiling xxhash2 v0.1.0
[INFO] [stderr]    Compiling const-random-macro v0.1.3
[INFO] [stderr]    Compiling const-random v0.1.3
[INFO] [stderr]    Compiling ahash v0.1.20
[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/ahash-0.1.20/src/lib.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | #![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 `ahash`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "c47a6408b1ebb7961adbf3426c5eed2447671df9931bae84de7e19bacbd63f50"`
[INFO] running `"docker" "rm" "-f" "c47a6408b1ebb7961adbf3426c5eed2447671df9931bae84de7e19bacbd63f50"`
[INFO] [stdout] c47a6408b1ebb7961adbf3426c5eed2447671df9931bae84de7e19bacbd63f50