Dec 02 15:55:16.116 INFO testing specialize-0.0.3 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 02 15:55:16.117 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 15:55:16.540 INFO [stdout] 3a26c32f40f39b817f3660f193ad0359ff15a7c2a7e04a2c3fcce351a6a4798f
Dec 02 15:55:16.545 INFO running `"docker" "start" "-a" "3a26c32f40f39b817f3660f193ad0359ff15a7c2a7e04a2c3fcce351a6a4798f"`
Dec 02 15:55:17.275 INFO [stderr] usermod: no changes
Dec 02 15:55:17.351 INFO [stderr]    Compiling specialize v0.0.3 (/source)
Dec 02 15:55:17.959 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
Dec 02 15:55:17.959 INFO [stderr] su: No module specific data is present
Dec 02 15:55:18.829 INFO running `"docker" "inspect" "3a26c32f40f39b817f3660f193ad0359ff15a7c2a7e04a2c3fcce351a6a4798f"`
Dec 02 15:55:19.147 INFO running `"docker" "rm" "-f" "3a26c32f40f39b817f3660f193ad0359ff15a7c2a7e04a2c3fcce351a6a4798f"`
Dec 02 15:55:19.499 INFO [stdout] 3a26c32f40f39b817f3660f193ad0359ff15a7c2a7e04a2c3fcce351a6a4798f
Dec 02 15:55:19.499 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 02 15:55:19.853 INFO [stdout] 38ad5e935b2d43b8851f1317f90f323461e7968cf70b3d1f9a9c6280f64a0aaa
Dec 02 15:55:19.855 INFO running `"docker" "start" "-a" "38ad5e935b2d43b8851f1317f90f323461e7968cf70b3d1f9a9c6280f64a0aaa"`
Dec 02 15:55:20.368 INFO [stderr] usermod: no changes
Dec 02 15:55:20.405 INFO [stderr]    Compiling specialize v0.0.3 (/source)
Dec 02 15:55:21.017 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 15:55:21.017 INFO [stderr]  --> src/lib.rs:1:19
Dec 02 15:55:21.017 INFO [stderr]   |
Dec 02 15:55:21.017 INFO [stderr] 1 | #![cfg_attr(test, feature(specialization))]
Dec 02 15:55:21.017 INFO [stderr]   |                   ^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 15:55:21.017 INFO [stderr] 
Dec 02 15:55:21.017 INFO [stderr] error: aborting due to previous error
Dec 02 15:55:21.017 INFO [stderr] 
Dec 02 15:55:21.017 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 15:55:21.023 INFO [stderr] error: Could not compile `specialize`.
Dec 02 15:55:21.023 INFO [stderr] 
Dec 02 15:55:21.023 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 15:55:21.025 INFO [stderr] su: No module specific data is present
Dec 02 15:55:21.413 INFO running `"docker" "inspect" "38ad5e935b2d43b8851f1317f90f323461e7968cf70b3d1f9a9c6280f64a0aaa"`
Dec 02 15:55:21.702 INFO running `"docker" "rm" "-f" "38ad5e935b2d43b8851f1317f90f323461e7968cf70b3d1f9a9c6280f64a0aaa"`
Dec 02 15:55:21.924 INFO [stdout] 38ad5e935b2d43b8851f1317f90f323461e7968cf70b3d1f9a9c6280f64a0aaa
