[INFO] updating cached repository projectasiago/mish-linux
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/projectasiago/mish-linux
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/projectasiago/mish-linux" "work/ex/beta-1.38-1/sources/1.37.0/gh/projectasiago/mish-linux"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/projectasiago/mish-linux'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/projectasiago/mish-linux" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/projectasiago/mish-linux"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/projectasiago/mish-linux'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f4e0db9463c60698359abd591196a38461ef567c
[INFO] sha for GitHub repo projectasiago/mish-linux: f4e0db9463c60698359abd591196a38461ef567c
[INFO] validating manifest of projectasiago/mish-linux 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-linux 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-linux
[INFO] finished frobbing projectasiago/mish-linux
[INFO] frobbed toml for projectasiago/mish-linux written to work/ex/beta-1.38-1/sources/1.37.0/gh/projectasiago/mish-linux/Cargo.toml
[INFO] started frobbing projectasiago/mish-linux
[INFO] finished frobbing projectasiago/mish-linux
[INFO] frobbed toml for projectasiago/mish-linux written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/projectasiago/mish-linux/Cargo.toml
[INFO] crate projectasiago/mish-linux 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-linux against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/projectasiago/mish-linux:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 88e44e0d6843f5d1df6a2098756c207fda16904d3168065e8666a605e2c940c7
[INFO] running `"docker" "start" "-a" "88e44e0d6843f5d1df6a2098756c207fda16904d3168065e8666a605e2c940c7"`
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling projectasiago_feta v0.1.0 (https://github.com/projectasiago/feta#53d4ed89)
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable 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 stable 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 stable 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 stable 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: build failed
[INFO] running `"docker" "inspect" "88e44e0d6843f5d1df6a2098756c207fda16904d3168065e8666a605e2c940c7"`
[INFO] running `"docker" "rm" "-f" "88e44e0d6843f5d1df6a2098756c207fda16904d3168065e8666a605e2c940c7"`
[INFO] [stdout] 88e44e0d6843f5d1df6a2098756c207fda16904d3168065e8666a605e2c940c7