Dec 03 13:29:30.141 INFO testing dynamo-0.1.0 against 1.30.1 for beta-1.31-5
Dec 03 13:29:30.141 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 13:29:30.670 INFO [stdout] 10e8a78fa122358984853a15da120f6db797e0806ac9364673b5f8979130f72c
Dec 03 13:29:30.672 INFO running `"docker" "start" "-a" "10e8a78fa122358984853a15da120f6db797e0806ac9364673b5f8979130f72c"`
Dec 03 13:29:31.911 INFO [stderr] usermod: no changes
Dec 03 13:29:31.991 INFO [stderr]    Compiling read_token v0.6.2
Dec 03 13:29:33.611 INFO [stderr]    Compiling piston_meta v0.25.1
Dec 03 13:29:36.819 INFO [stderr]    Compiling dynamo v0.1.0 (/source)
Dec 03 13:29:42.059 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.11s
Dec 03 13:29:42.059 INFO [stderr] su: No module specific data is present
Dec 03 13:29:43.048 INFO running `"docker" "inspect" "10e8a78fa122358984853a15da120f6db797e0806ac9364673b5f8979130f72c"`
Dec 03 13:29:43.363 INFO running `"docker" "rm" "-f" "10e8a78fa122358984853a15da120f6db797e0806ac9364673b5f8979130f72c"`
Dec 03 13:29:43.705 INFO [stdout] 10e8a78fa122358984853a15da120f6db797e0806ac9364673b5f8979130f72c
Dec 03 13:29:43.709 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 test --frozen --no-run" "-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 13:29:44.154 INFO [stdout] 6de016cd1ff7450465a921cb2b2c9a5f53005637f1d80f468484bead5b1f5db8
Dec 03 13:29:44.156 INFO running `"docker" "start" "-a" "6de016cd1ff7450465a921cb2b2c9a5f53005637f1d80f468484bead5b1f5db8"`
Dec 03 13:29:45.627 INFO [stderr] usermod: no changes
Dec 03 13:29:45.703 INFO [stderr]    Compiling dynamo v0.1.0 (/source)
Dec 03 13:29:49.079 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 13:29:49.079 INFO [stderr]  --> src/lib.rs:1:19
Dec 03 13:29:49.079 INFO [stderr]   |
Dec 03 13:29:49.079 INFO [stderr] 1 | #![cfg_attr(test, feature(test))]
Dec 03 13:29:49.080 INFO [stderr]   |                   ^^^^^^^^^^^^^^
Dec 03 13:29:49.080 INFO [stderr] 
Dec 03 13:29:49.100 INFO [stderr] error: aborting due to previous error
Dec 03 13:29:49.101 INFO [stderr] 
Dec 03 13:29:49.102 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 13:29:49.121 INFO [stderr] error: Could not compile `dynamo`.
Dec 03 13:29:49.122 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 03 13:29:50.091 INFO [stderr] error: build failed
Dec 03 13:29:50.091 INFO [stderr] su: No module specific data is present
Dec 03 13:29:51.061 INFO running `"docker" "inspect" "6de016cd1ff7450465a921cb2b2c9a5f53005637f1d80f468484bead5b1f5db8"`
Dec 03 13:29:51.337 INFO running `"docker" "rm" "-f" "6de016cd1ff7450465a921cb2b2c9a5f53005637f1d80f468484bead5b1f5db8"`
Dec 03 13:29:51.667 INFO [stdout] 6de016cd1ff7450465a921cb2b2c9a5f53005637f1d80f468484bead5b1f5db8