Dec 03 01:04:54.577 INFO testing munkres-0.4.0 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 03 01:04:54.577 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-6/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt 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 01:04:55.191 INFO [stdout] 7eaa0c322502365d464af6106d8c519a9b56af5096aaeb7bc0a9ab3b5f19830e
Dec 03 01:04:55.193 INFO running `"docker" "start" "-a" "7eaa0c322502365d464af6106d8c519a9b56af5096aaeb7bc0a9ab3b5f19830e"`
Dec 03 01:04:56.383 INFO [stderr] usermod: no changes
Dec 03 01:04:56.478 INFO [stderr]    Compiling itertools v0.7.11
Dec 03 01:04:58.179 INFO [stderr]    Compiling ndarray v0.11.2
Dec 03 01:05:08.433 INFO [stderr]    Compiling munkres v0.4.0 (/source)
Dec 03 01:05:10.213 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.79s
Dec 03 01:05:10.214 INFO [stderr] su: No module specific data is present
Dec 03 01:05:10.767 INFO running `"docker" "inspect" "7eaa0c322502365d464af6106d8c519a9b56af5096aaeb7bc0a9ab3b5f19830e"`
Dec 03 01:05:10.996 INFO running `"docker" "rm" "-f" "7eaa0c322502365d464af6106d8c519a9b56af5096aaeb7bc0a9ab3b5f19830e"`
Dec 03 01:05:11.279 INFO [stdout] 7eaa0c322502365d464af6106d8c519a9b56af5096aaeb7bc0a9ab3b5f19830e
Dec 03 01:05:11.284 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-6/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt 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 01:05:11.686 INFO [stdout] e96d4190f877d4c2fbb1b8ce0b3f6abf5e6b19341bcb427cbab62977c9359c63
Dec 03 01:05:11.689 INFO running `"docker" "start" "-a" "e96d4190f877d4c2fbb1b8ce0b3f6abf5e6b19341bcb427cbab62977c9359c63"`
Dec 03 01:05:12.965 INFO [stderr] usermod: no changes
Dec 03 01:05:13.039 INFO [stderr]    Compiling munkres v0.4.0 (/source)
Dec 03 01:05:14.179 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 03 01:05:14.179 INFO [stderr]  --> src/lib.rs:1:19
Dec 03 01:05:14.179 INFO [stderr]   |
Dec 03 01:05:14.179 INFO [stderr] 1 | #![cfg_attr(test, feature(test))]
Dec 03 01:05:14.179 INFO [stderr]   |                   ^^^^^^^^^^^^^
Dec 03 01:05:14.179 INFO [stderr] 
Dec 03 01:05:14.179 INFO [stderr] error: aborting due to previous error
Dec 03 01:05:14.179 INFO [stderr] 
Dec 03 01:05:14.179 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 01:05:14.187 INFO [stderr] error: Could not compile `munkres`.
Dec 03 01:05:14.187 INFO [stderr] 
Dec 03 01:05:14.187 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 01:05:14.187 INFO [stderr] su: No module specific data is present
Dec 03 01:05:14.799 INFO running `"docker" "inspect" "e96d4190f877d4c2fbb1b8ce0b3f6abf5e6b19341bcb427cbab62977c9359c63"`
Dec 03 01:05:15.148 INFO running `"docker" "rm" "-f" "e96d4190f877d4c2fbb1b8ce0b3f6abf5e6b19341bcb427cbab62977c9359c63"`
Dec 03 01:05:15.439 INFO [stdout] e96d4190f877d4c2fbb1b8ce0b3f6abf5e6b19341bcb427cbab62977c9359c63