Dec 02 12:23:04.715 INFO testing unrest_codegen-0.1.0 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 02 12:23:04.715 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 12:23:04.981 INFO [stdout] 7f01dc106119948e2d0f6afc1a80a764404af3e6dc583333b51c74d26c743c56
Dec 02 12:23:04.983 INFO running `"docker" "start" "-a" "7f01dc106119948e2d0f6afc1a80a764404af3e6dc583333b51c74d26c743c56"`
Dec 02 12:23:05.503 INFO [stderr] usermod: no changes
Dec 02 12:23:05.532 INFO [stderr]    Compiling proc-macro2 v0.1.10
Dec 02 12:23:10.663 INFO [stderr]    Compiling unrest_tmp_quote v0.1.0
Dec 02 12:23:14.187 INFO [stderr]    Compiling unrest_tmp_synom v0.1.0
Dec 02 12:23:18.461 INFO [stderr]    Compiling unrest_tmp_syn v0.1.0
Dec 02 12:23:28.531 INFO [stderr]    Compiling unrest_codegen v0.1.0 (/source)
Dec 02 12:23:31.399 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 12:23:31.399 INFO [stderr]  --> src/lib.rs:1:1
Dec 02 12:23:31.399 INFO [stderr]   |
Dec 02 12:23:31.399 INFO [stderr] 1 | #![feature(type_ascription)]
Dec 02 12:23:31.399 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 12:23:31.399 INFO [stderr] 
Dec 02 12:23:31.401 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 12:23:31.401 INFO [stderr]  --> src/lib.rs:2:1
Dec 02 12:23:31.401 INFO [stderr]   |
Dec 02 12:23:31.401 INFO [stderr] 2 | #![feature(proc_macro)]
Dec 02 12:23:31.401 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 12:23:31.401 INFO [stderr] 
Dec 02 12:23:31.401 INFO [stderr] error: aborting due to 2 previous errors
Dec 02 12:23:31.401 INFO [stderr] 
Dec 02 12:23:31.401 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 12:23:31.411 INFO [stderr] error: Could not compile `unrest_codegen`.
Dec 02 12:23:31.411 INFO [stderr] 
Dec 02 12:23:31.411 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 12:23:31.415 INFO [stderr] su: No module specific data is present
Dec 02 12:23:31.952 INFO running `"docker" "inspect" "7f01dc106119948e2d0f6afc1a80a764404af3e6dc583333b51c74d26c743c56"`
Dec 02 12:23:32.203 INFO running `"docker" "rm" "-f" "7f01dc106119948e2d0f6afc1a80a764404af3e6dc583333b51c74d26c743c56"`
Dec 02 12:23:32.502 INFO [stdout] 7f01dc106119948e2d0f6afc1a80a764404af3e6dc583333b51c74d26c743c56