[INFO] updating cached repository projectasiago/mish
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/projectasiago/mish
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/projectasiago/mish" "work/ex/beta-1.38-1/sources/1.37.0/gh/projectasiago/mish"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/projectasiago/mish'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/projectasiago/mish" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/projectasiago/mish"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/projectasiago/mish'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b1422184f7b24e98e03fcf23412f23885bbc1bdf
[INFO] sha for GitHub repo projectasiago/mish: b1422184f7b24e98e03fcf23412f23885bbc1bdf
[INFO] validating manifest of projectasiago/mish 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 projectasiago/mish 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 projectasiago/mish
[INFO] finished frobbing projectasiago/mish
[INFO] frobbed toml for projectasiago/mish written to work/ex/beta-1.38-1/sources/1.37.0/gh/projectasiago/mish/Cargo.toml
[INFO] started frobbing projectasiago/mish
[INFO] finished frobbing projectasiago/mish
[INFO] frobbed toml for projectasiago/mish written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/projectasiago/mish/Cargo.toml
[INFO] crate projectasiago/mish 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 projectasiago/mish 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-3/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/projectasiago/mish:/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] d3f788120609044afb88e19504cf609c41b573bb4f236d0cca0cb8350472223d
[INFO] running `"docker" "start" "-a" "d3f788120609044afb88e19504cf609c41b573bb4f236d0cca0cb8350472223d"`
[INFO] [stderr]    Compiling projectasiago_feta v0.1.0 (https://github.com/projectasiago/feta#53d4ed89)
[INFO] [stderr]    Compiling nom v4.0.0-beta1
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> /opt/crater/cargo-home/git/checkouts/feta-afa82b42041af3d2/53d4ed8/src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(asm)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> /opt/crater/cargo-home/git/checkouts/feta-afa82b42041af3d2/53d4ed8/src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(intrinsics)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> /opt/crater/cargo-home/git/checkouts/feta-afa82b42041af3d2/53d4ed8/src/lib.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![feature(lang_items)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> /opt/crater/cargo-home/git/checkouts/feta-afa82b42041af3d2/53d4ed8/src/lib.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #![feature(compiler_builtins_lib)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `projectasiago_feta`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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/nom-4.0.0-beta1/src/lib.rs:343:35
[INFO] [stderr]     |
[INFO] [stderr] 343 | #![cfg_attr(not(feature = "std"), feature(alloc))]
[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 `nom`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "d3f788120609044afb88e19504cf609c41b573bb4f236d0cca0cb8350472223d"`
[INFO] running `"docker" "rm" "-f" "d3f788120609044afb88e19504cf609c41b573bb4f236d0cca0cb8350472223d"`
[INFO] [stdout] d3f788120609044afb88e19504cf609c41b573bb4f236d0cca0cb8350472223d