Dec 02 16:02:41.124 INFO testing space-0.5.1 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 02 16:02:41.124 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-2/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 02 16:02:41.631 INFO [stdout] ee881abe767b24d8c920647d8a098f971697c8176098f47a3a81fec9c57aa697
Dec 02 16:02:41.633 INFO running `"docker" "start" "-a" "ee881abe767b24d8c920647d8a098f971697c8176098f47a3a81fec9c57aa697"`
Dec 02 16:02:43.141 INFO [stderr] usermod: no changes
Dec 02 16:02:43.432 INFO [stderr]    Compiling itertools v0.7.11
Dec 02 16:02:43.432 INFO [stderr]    Compiling log v0.4.6
Dec 02 16:02:43.432 INFO [stderr]    Compiling bitintr v0.1.18
Dec 02 16:02:43.432 INFO [stderr]    Compiling bitwise v0.1.1
Dec 02 16:02:43.432 INFO [stderr]    Compiling alga v0.7.2
Dec 02 16:02:49.547 INFO [stderr] error[E0658]: specialization is unstable (see issue #31844)
Dec 02 16:02:49.547 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/bitwise-0.1.1/src/word/to_word.rs:58:5
Dec 02 16:02:49.547 INFO [stderr]    |
Dec 02 16:02:49.547 INFO [stderr] 58 | /     default fn from(x: T) -> Self {
Dec 02 16:02:49.547 INFO [stderr] 59 | |         ToWord::to(x)
Dec 02 16:02:49.547 INFO [stderr] 60 | |     }
Dec 02 16:02:49.547 INFO [stderr]    | |_____^
Dec 02 16:02:49.551 INFO [stderr] 
Dec 02 16:02:49.563 INFO [stderr] error: aborting due to previous error
Dec 02 16:02:49.575 INFO [stderr] 
Dec 02 16:02:49.575 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Dec 02 16:02:49.583 INFO [stderr] error: Could not compile `bitwise`.
Dec 02 16:02:49.583 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 02 16:02:51.919 INFO [stderr] error: build failed
Dec 02 16:02:51.923 INFO [stderr] su: No module specific data is present
Dec 02 16:02:53.425 INFO running `"docker" "inspect" "ee881abe767b24d8c920647d8a098f971697c8176098f47a3a81fec9c57aa697"`
Dec 02 16:02:53.749 INFO running `"docker" "rm" "-f" "ee881abe767b24d8c920647d8a098f971697c8176098f47a3a81fec9c57aa697"`
Dec 02 16:02:54.027 INFO [stdout] ee881abe767b24d8c920647d8a098f971697c8176098f47a3a81fec9c57aa697