Dec 02 14:40:09.048 INFO testing tcp_typed-0.1.1 against 1.30.1 for beta-1.31-5
Dec 02 14:40:09.048 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-5/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 02 14:40:09.379 INFO [stdout] f974d046027041b0ded77c2f707285001c82e5976250c924d161f07a5099d1e6
Dec 02 14:40:09.381 INFO running `"docker" "start" "-a" "f974d046027041b0ded77c2f707285001c82e5976250c924d161f07a5099d1e6"`
Dec 02 14:40:10.158 INFO [stderr] usermod: no changes
Dec 02 14:40:10.253 INFO [stderr]    Compiling valgrind_request v1.1.0
Dec 02 14:40:10.253 INFO [stderr]    Compiling proc_self v0.1.0
Dec 02 14:40:10.359 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 14:40:10.363 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/valgrind_request-1.1.0/src/lib.rs:1:1
Dec 02 14:40:10.363 INFO [stderr]   |
Dec 02 14:40:10.363 INFO [stderr] 1 | #![feature(asm)]
Dec 02 14:40:10.363 INFO [stderr]   | ^^^^^^^^^^^^^^^^
Dec 02 14:40:10.363 INFO [stderr] 
Dec 02 14:40:10.363 INFO [stderr] error: aborting due to previous error
Dec 02 14:40:10.363 INFO [stderr] 
Dec 02 14:40:10.363 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 14:40:10.371 INFO [stderr] error: Could not compile `valgrind_request`.
Dec 02 14:40:10.371 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 02 14:40:11.191 INFO [stderr] error: build failed
Dec 02 14:40:11.192 INFO [stderr] su: No module specific data is present
Dec 02 14:40:11.434 INFO running `"docker" "inspect" "f974d046027041b0ded77c2f707285001c82e5976250c924d161f07a5099d1e6"`
Dec 02 14:40:11.580 INFO running `"docker" "rm" "-f" "f974d046027041b0ded77c2f707285001c82e5976250c924d161f07a5099d1e6"`
Dec 02 14:40:11.728 INFO [stdout] f974d046027041b0ded77c2f707285001c82e5976250c924d161f07a5099d1e6