Dec 03 13:28:29.299 INFO testing dyon-0.38.0 against 1.30.1 for beta-1.31-5
Dec 03 13:28:29.299 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 13:28:29.575 INFO [stdout] 9ff24c5e186765bd230ac96295b4540a4e3123ad825a7b5f83332a5c45a7ab15
Dec 03 13:28:29.585 INFO running `"docker" "start" "-a" "9ff24c5e186765bd230ac96295b4540a4e3123ad825a7b5f83332a5c45a7ab15"`
Dec 03 13:28:30.443 INFO [stderr] usermod: no changes
Dec 03 13:28:30.667 INFO [stderr]    Compiling range v0.3.1
Dec 03 13:28:31.707 INFO [stderr]    Compiling read_token v0.9.0
Dec 03 13:28:33.023 INFO [stderr]    Compiling piston_meta v0.29.1
Dec 03 13:28:36.045 INFO [stderr]    Compiling dyon v0.38.0 (/source)
Dec 03 13:28:55.933 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.47s
Dec 03 13:28:55.943 INFO [stderr] su: No module specific data is present
Dec 03 13:28:56.485 INFO running `"docker" "inspect" "9ff24c5e186765bd230ac96295b4540a4e3123ad825a7b5f83332a5c45a7ab15"`
Dec 03 13:28:56.727 INFO running `"docker" "rm" "-f" "9ff24c5e186765bd230ac96295b4540a4e3123ad825a7b5f83332a5c45a7ab15"`
Dec 03 13:28:56.971 INFO [stdout] 9ff24c5e186765bd230ac96295b4540a4e3123ad825a7b5f83332a5c45a7ab15
Dec 03 13:28:56.976 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 13:28:57.331 INFO [stdout] 7c86d09f6efe817873e64757f2f84c3f85ad31658cad9984f69f7dff53cabf35
Dec 03 13:28:57.333 INFO running `"docker" "start" "-a" "7c86d09f6efe817873e64757f2f84c3f85ad31658cad9984f69f7dff53cabf35"`
Dec 03 13:28:57.984 INFO [stderr] usermod: no changes
Dec 03 13:28:58.092 INFO [stderr]    Compiling dyon v0.38.0 (/source)
Dec 03 13:29:19.906 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 13:29:19.907 INFO [stderr]  --> src/lib.rs:1:19
Dec 03 13:29:19.908 INFO [stderr]   |
Dec 03 13:29:19.908 INFO [stderr] 1 | #![cfg_attr(test, feature(test))]
Dec 03 13:29:19.908 INFO [stderr]   |                   ^^^^^^^^^^^^^^
Dec 03 13:29:19.927 INFO [stderr] 
Dec 03 13:29:20.288 INFO [stderr] error: aborting due to previous error
Dec 03 13:29:20.307 INFO [stderr] 
Dec 03 13:29:20.307 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 13:29:20.360 INFO [stderr] error: Could not compile `dyon`.
Dec 03 13:29:20.360 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 03 13:29:28.533 INFO [stderr] error: build failed
Dec 03 13:29:28.539 INFO [stderr] su: No module specific data is present
Dec 03 13:29:29.484 INFO running `"docker" "inspect" "7c86d09f6efe817873e64757f2f84c3f85ad31658cad9984f69f7dff53cabf35"`
Dec 03 13:29:29.801 INFO running `"docker" "rm" "-f" "7c86d09f6efe817873e64757f2f84c3f85ad31658cad9984f69f7dff53cabf35"`
Dec 03 13:29:30.059 INFO [stdout] 7c86d09f6efe817873e64757f2f84c3f85ad31658cad9984f69f7dff53cabf35