[INFO] updating cached repository Attil/FundamentalCycles
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Attil/FundamentalCycles
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Attil/FundamentalCycles" "work/ex/beta-1.37-6/sources/1.36.0/gh/Attil/FundamentalCycles"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/Attil/FundamentalCycles'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Attil/FundamentalCycles" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Attil/FundamentalCycles"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Attil/FundamentalCycles'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6d59a74d60fea92626b8a892b55c2546d68a2bfd
[INFO] sha for GitHub repo Attil/FundamentalCycles: 6d59a74d60fea92626b8a892b55c2546d68a2bfd
[INFO] validating manifest of Attil/FundamentalCycles 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 Attil/FundamentalCycles 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 Attil/FundamentalCycles
[INFO] finished frobbing Attil/FundamentalCycles
[INFO] frobbed toml for Attil/FundamentalCycles written to work/ex/beta-1.37-6/sources/1.36.0/gh/Attil/FundamentalCycles/Cargo.toml
[INFO] started frobbing Attil/FundamentalCycles
[INFO] finished frobbing Attil/FundamentalCycles
[INFO] frobbed toml for Attil/FundamentalCycles written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Attil/FundamentalCycles/Cargo.toml
[INFO] crate Attil/FundamentalCycles 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 Attil/FundamentalCycles 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-6/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/Attil/FundamentalCycles:/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] edcbe9b42b5412fb3455103aebc29a859c53bd9e0ab5a7abacb40db5dbf0714c
[INFO] running `"docker" "start" "-a" "edcbe9b42b5412fb3455103aebc29a859c53bd9e0ab5a7abacb40db5dbf0714c"`
[INFO] [stderr]    Compiling linked-hash-map v0.3.0
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling serde_yaml v0.7.0
[INFO] [stderr]    Compiling gis v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: #![feature] may not be used on the beta release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(test)]
[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 `gis`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "edcbe9b42b5412fb3455103aebc29a859c53bd9e0ab5a7abacb40db5dbf0714c"`
[INFO] running `"docker" "rm" "-f" "edcbe9b42b5412fb3455103aebc29a859c53bd9e0ab5a7abacb40db5dbf0714c"`
[INFO] [stdout] edcbe9b42b5412fb3455103aebc29a859c53bd9e0ab5a7abacb40db5dbf0714c