Dec 03 06:44:09.613 INFO testing graph-neighbor-matching-0.7.1 against 1.30.1 for beta-1.31-5
Dec 03 06:44:09.613 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-4/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 06:44:09.907 INFO [stdout] 571a3eb68fc64069c00d2b94fb6ddacaef7ba291d4bb4bc440826e77adef735e
Dec 03 06:44:09.907 INFO running `"docker" "start" "-a" "571a3eb68fc64069c00d2b94fb6ddacaef7ba291d4bb4bc440826e77adef735e"`
Dec 03 06:44:10.621 INFO [stderr] usermod: no changes
Dec 03 06:44:10.791 INFO [stderr]    Compiling ndarray v0.11.2
Dec 03 06:44:10.796 INFO [stderr]    Compiling nalgebra v0.13.1
Dec 03 06:44:10.796 INFO [stderr]    Compiling nalgebra v0.5.1
Dec 03 06:44:22.187 INFO [stderr]    Compiling munkres v0.4.0
Dec 03 06:44:22.419 INFO [stderr]    Compiling closed01 v0.4.0
Dec 03 06:44:41.868 INFO [stderr]    Compiling graph-neighbor-matching v0.7.1 (/source)
Dec 03 06:44:44.139 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.49s
Dec 03 06:44:44.148 INFO [stderr] su: No module specific data is present
Dec 03 06:44:44.580 INFO running `"docker" "inspect" "571a3eb68fc64069c00d2b94fb6ddacaef7ba291d4bb4bc440826e77adef735e"`
Dec 03 06:44:44.775 INFO running `"docker" "rm" "-f" "571a3eb68fc64069c00d2b94fb6ddacaef7ba291d4bb4bc440826e77adef735e"`
Dec 03 06:44:44.970 INFO [stdout] 571a3eb68fc64069c00d2b94fb6ddacaef7ba291d4bb4bc440826e77adef735e
Dec 03 06:44:44.972 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-4/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 06:44:45.309 INFO [stdout] cf7c262e52a6f5349b21b828bbdc80e6a898ab30997b0b3b198c018c792057e6
Dec 03 06:44:45.317 INFO running `"docker" "start" "-a" "cf7c262e52a6f5349b21b828bbdc80e6a898ab30997b0b3b198c018c792057e6"`
Dec 03 06:44:46.410 INFO [stderr] usermod: no changes
Dec 03 06:44:46.559 INFO [stderr]    Compiling asexp v0.3.1
Dec 03 06:44:48.347 INFO [stderr]    Compiling graph-io-gml v0.2.0
Dec 03 06:44:49.241 INFO [stderr]    Compiling graph-neighbor-matching v0.7.1 (/source)
Dec 03 06:44:51.437 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 06:44:51.437 INFO [stderr]  --> src/lib.rs:1:19
Dec 03 06:44:51.437 INFO [stderr]   |
Dec 03 06:44:51.437 INFO [stderr] 1 | #![cfg_attr(test, feature(test))]
Dec 03 06:44:51.437 INFO [stderr]   |                   ^^^^^^^^^^^^^^
Dec 03 06:44:51.437 INFO [stderr] 
Dec 03 06:44:51.439 INFO [stderr] error: aborting due to previous error
Dec 03 06:44:51.439 INFO [stderr] 
Dec 03 06:44:51.439 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 06:44:51.451 INFO [stderr] error: Could not compile `graph-neighbor-matching`.
Dec 03 06:44:51.451 INFO [stderr] 
Dec 03 06:44:51.451 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 06:44:51.451 INFO [stderr] su: No module specific data is present
Dec 03 06:44:52.049 INFO running `"docker" "inspect" "cf7c262e52a6f5349b21b828bbdc80e6a898ab30997b0b3b198c018c792057e6"`
Dec 03 06:44:52.368 INFO running `"docker" "rm" "-f" "cf7c262e52a6f5349b21b828bbdc80e6a898ab30997b0b3b198c018c792057e6"`
Dec 03 06:44:52.763 INFO [stdout] cf7c262e52a6f5349b21b828bbdc80e6a898ab30997b0b3b198c018c792057e6