[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-1.37-6/sources/1.36.0/gh/themadprofessor/rash"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/themadprofessor/rash'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/themadprofessor/rash" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/themadprofessor/rash"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of themadprofessor/rash 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 themadprofessor/rash
[INFO] finished frobbing themadprofessor/rash
[INFO] frobbed toml for themadprofessor/rash written to work/ex/beta-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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[INFO] the lockfile is outdated, regenerating it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" "+1.36.0" "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 themadprofessor/rash 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-1/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/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 0d4e49449e40a23643f96e15c4a86da19679fff39dd496e2c918b011a1fdcb6f
[INFO] running `"docker" "start" "-a" "0d4e49449e40a23643f96e15c4a86da19679fff39dd496e2c918b011a1fdcb6f"`
[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 failure v0.1.5
[INFO] [stderr]    Compiling md-5 v0.7.0
[INFO] [stderr]    Compiling groestl v0.7.0
[INFO] [stderr]    Compiling ripemd160 v0.7.0
[INFO] [stderr]    Compiling blake2 v0.7.1
[INFO] [stderr]    Compiling whirlpool v0.7.1
[INFO] [stderr]    Compiling sha-1 v0.7.0
[INFO] [stderr]    Compiling sha2 v0.7.1
[INFO] [stderr]    Compiling sha3 v0.7.3
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.13s
[INFO] running `"docker" "inspect" "0d4e49449e40a23643f96e15c4a86da19679fff39dd496e2c918b011a1fdcb6f"`
[INFO] running `"docker" "rm" "-f" "0d4e49449e40a23643f96e15c4a86da19679fff39dd496e2c918b011a1fdcb6f"`
[INFO] [stdout] 0d4e49449e40a23643f96e15c4a86da19679fff39dd496e2c918b011a1fdcb6f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/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/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] d9e58466418d62d1ac4187a1c1604922bbdcfedb08a3649b22a57cd49e0b8494
[INFO] running `"docker" "start" "-a" "d9e58466418d62d1ac4187a1c1604922bbdcfedb08a3649b22a57cd49e0b8494"`
[INFO] [stderr]    Compiling serde_json v1.0.40
[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" "d9e58466418d62d1ac4187a1c1604922bbdcfedb08a3649b22a57cd49e0b8494"`
[INFO] running `"docker" "rm" "-f" "d9e58466418d62d1ac4187a1c1604922bbdcfedb08a3649b22a57cd49e0b8494"`
[INFO] [stdout] d9e58466418d62d1ac4187a1c1604922bbdcfedb08a3649b22a57cd49e0b8494