Dec 03 17:59:22.604 INFO testing blindsign-0.0.6 against 1.30.1 for beta-1.31-5
Dec 03 17:59:22.604 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-6/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/beta-1.31-5/1.30.1:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1.30.1 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 03 17:59:22.965 INFO [stdout] 7db129084dbb5543d7e02f6ccce83e7928caad106ace6890c09faec16f13badd
Dec 03 17:59:22.975 INFO running `"docker" "start" "-a" "7db129084dbb5543d7e02f6ccce83e7928caad106ace6890c09faec16f13badd"`
Dec 03 17:59:23.991 INFO [stderr] usermod: no changes
Dec 03 17:59:24.157 INFO [stderr]    Compiling subtle v0.6.3
Dec 03 17:59:24.157 INFO [stderr]    Compiling clear_on_drop v0.2.3
Dec 03 17:59:25.216 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 17:59:25.217 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/subtle-0.6.3/src/lib.rs:13:34
Dec 03 17:59:25.217 INFO [stderr]    |
Dec 03 17:59:25.217 INFO [stderr] 13 | #![cfg_attr(feature = "nightly", feature(asm))]
Dec 03 17:59:25.217 INFO [stderr]    |                                  ^^^^^^^^^^^^^
Dec 03 17:59:25.217 INFO [stderr] 
Dec 03 17:59:25.219 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 17:59:25.219 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/subtle-0.6.3/src/lib.rs:14:34
Dec 03 17:59:25.219 INFO [stderr]    |
Dec 03 17:59:25.219 INFO [stderr] 14 | #![cfg_attr(feature = "nightly", feature(external_doc))]
Dec 03 17:59:25.219 INFO [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^
Dec 03 17:59:25.219 INFO [stderr] 
Dec 03 17:59:25.219 INFO [stderr] error: aborting due to 2 previous errors
Dec 03 17:59:25.219 INFO [stderr] 
Dec 03 17:59:25.219 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 17:59:25.227 INFO [stderr] error: Could not compile `subtle`.
Dec 03 17:59:25.227 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 03 17:59:25.574 INFO [stderr] error: build failed
Dec 03 17:59:25.575 INFO [stderr] su: No module specific data is present
Dec 03 17:59:26.169 INFO running `"docker" "inspect" "7db129084dbb5543d7e02f6ccce83e7928caad106ace6890c09faec16f13badd"`
Dec 03 17:59:26.505 INFO running `"docker" "rm" "-f" "7db129084dbb5543d7e02f6ccce83e7928caad106ace6890c09faec16f13badd"`
Dec 03 17:59:26.695 INFO [stdout] 7db129084dbb5543d7e02f6ccce83e7928caad106ace6890c09faec16f13badd