[INFO] updating cached repository guewen/ramaze
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/guewen/ramaze
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/guewen/ramaze" "work/ex/beta-1.38-1/sources/1.37.0/gh/guewen/ramaze"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/guewen/ramaze'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/guewen/ramaze" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/guewen/ramaze"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/guewen/ramaze'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5bde863cbfc8cf2e4c4be2e589164a31b764d48d
[INFO] sha for GitHub repo guewen/ramaze: 5bde863cbfc8cf2e4c4be2e589164a31b764d48d
[INFO] validating manifest of guewen/ramaze 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 guewen/ramaze 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 guewen/ramaze
[INFO] finished frobbing guewen/ramaze
[INFO] frobbed toml for guewen/ramaze written to work/ex/beta-1.38-1/sources/1.37.0/gh/guewen/ramaze/Cargo.toml
[INFO] started frobbing guewen/ramaze
[INFO] finished frobbing guewen/ramaze
[INFO] frobbed toml for guewen/ramaze written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/guewen/ramaze/Cargo.toml
[INFO] crate guewen/ramaze 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing guewen/ramaze 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-6/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/guewen/ramaze:/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] d4f0fe29f6d1eaae18ca6a31555d8ba6b9c305c7bc0b49cbeb0cb9f4a15afa1c
[INFO] running `"docker" "start" "-a" "d4f0fe29f6d1eaae18ca6a31555d8ba6b9c305c7bc0b49cbeb0cb9f4a15afa1c"`
[INFO] [stderr] warning: path `/opt/crater/workdir/src/ramaze.rs` was erroneously implicitly accepted for binary `ramaze`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] [stderr]    Compiling ramaze v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/ramaze.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(core)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/ramaze.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(hash)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'test'
[INFO] [stderr]  --> src/ramaze.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | extern crate test;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: for more information, see https://github.com/rust-lang/rust/issues/50297
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0554, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `ramaze`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "d4f0fe29f6d1eaae18ca6a31555d8ba6b9c305c7bc0b49cbeb0cb9f4a15afa1c"`
[INFO] running `"docker" "rm" "-f" "d4f0fe29f6d1eaae18ca6a31555d8ba6b9c305c7bc0b49cbeb0cb9f4a15afa1c"`
[INFO] [stdout] d4f0fe29f6d1eaae18ca6a31555d8ba6b9c305c7bc0b49cbeb0cb9f4a15afa1c