[INFO] updating cached repository themadprofessor/rash
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/themadprofessor/rash
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/themadprofessor/rash" "work/ex/beta-1.38-1/sources/1.37.0/gh/themadprofessor/rash"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/themadprofessor/rash'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/themadprofessor/rash" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/themadprofessor/rash"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/themadprofessor/rash'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 81efcadd9f582f8110fea37b3ca85ccd89eac2b8
[INFO] sha for GitHub repo themadprofessor/rash: 81efcadd9f582f8110fea37b3ca85ccd89eac2b8
[INFO] validating manifest of themadprofessor/rash 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 themadprofessor/rash 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 themadprofessor/rash
[INFO] finished frobbing themadprofessor/rash
[INFO] frobbed toml for themadprofessor/rash written to work/ex/beta-1.38-1/sources/1.37.0/gh/themadprofessor/rash/Cargo.toml
[INFO] started frobbing themadprofessor/rash
[INFO] finished frobbing themadprofessor/rash
[INFO] frobbed toml for themadprofessor/rash written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/themadprofessor/rash/Cargo.toml
[INFO] crate themadprofessor/rash 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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/themadprofessor/rash/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[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 themadprofessor/rash 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-1/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/themadprofessor/rash:/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] 579f99b04fa589b0d0e1dd4639771d2648c101e842e4b5622920a5866d5ed41f
[INFO] running `"docker" "start" "-a" "579f99b04fa589b0d0e1dd4639771d2648c101e842e4b5622920a5866d5ed41f"`
[INFO] [stderr]    Compiling keccak v0.1.0
[INFO] [stderr]    Compiling block-buffer v0.2.0-tmp
[INFO] [stderr]    Compiling digest v0.7.6
[INFO] [stderr]    Compiling rash v0.6.0 (/opt/crater/workdir)
[INFO] [stderr]    Compiling sha-1 v0.7.0
[INFO] [stderr]    Compiling ripemd160 v0.7.0
[INFO] [stderr]    Compiling blake2 v0.7.1
[INFO] [stderr]    Compiling sha3 v0.7.3
[INFO] [stderr]    Compiling sha2 v0.7.1
[INFO] [stderr]    Compiling whirlpool v0.7.1
[INFO] [stderr]    Compiling md-5 v0.7.0
[INFO] [stderr]    Compiling groestl v0.7.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.95s
[INFO] running `"docker" "inspect" "579f99b04fa589b0d0e1dd4639771d2648c101e842e4b5622920a5866d5ed41f"`
[INFO] running `"docker" "rm" "-f" "579f99b04fa589b0d0e1dd4639771d2648c101e842e4b5622920a5866d5ed41f"`
[INFO] [stdout] 579f99b04fa589b0d0e1dd4639771d2648c101e842e4b5622920a5866d5ed41f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/themadprofessor/rash:/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" "test" "--frozen" "--no-run"`
[INFO] [stdout] d024110e7d7a5373d92dd54d1482f12eb6d258adfb7ecba629acdb858c53a26c
[INFO] running `"docker" "start" "-a" "d024110e7d7a5373d92dd54d1482f12eb6d258adfb7ecba629acdb858c53a26c"`
[INFO] [stderr]    Compiling winapi v0.3.7
[INFO] [stderr]    Compiling environment v0.1.1
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling test-case-derive v0.2.1
[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/test-case-derive-0.2.1/src/lib.rs:214:1
[INFO] [stderr]     |
[INFO] [stderr] 214 | #![feature(proc_macro)]
[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 `test-case-derive`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "d024110e7d7a5373d92dd54d1482f12eb6d258adfb7ecba629acdb858c53a26c"`
[INFO] running `"docker" "rm" "-f" "d024110e7d7a5373d92dd54d1482f12eb6d258adfb7ecba629acdb858c53a26c"`
[INFO] [stdout] d024110e7d7a5373d92dd54d1482f12eb6d258adfb7ecba629acdb858c53a26c