Dec 02 13:58:36.277 INFO testing timmy-0.3.0 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 02 13:58:36.277 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-1/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 13:58:36.768 INFO [stdout] 813bd6f31e41d037989d6106259f295e68775783ca39cab3f14a59d0a75191a6
Dec 02 13:58:36.770 INFO running `"docker" "start" "-a" "813bd6f31e41d037989d6106259f295e68775783ca39cab3f14a59d0a75191a6"`
Dec 02 13:58:38.059 INFO [stderr] usermod: no changes
Dec 02 13:58:38.261 INFO [stderr]    Compiling linked-hash-map v0.0.9
Dec 02 13:58:38.261 INFO [stderr]    Compiling ansi_term v0.8.0
Dec 02 13:58:38.261 INFO [stderr]    Compiling libsqlite3-sys v0.5.0
Dec 02 13:58:39.463 INFO [stderr]    Compiling lru-cache v0.0.7
Dec 02 13:58:40.593 INFO [stderr] warning: redundant linker flag specified for library `sqlite3`
Dec 02 13:58:40.593 INFO [stderr] 
Dec 02 13:58:40.711 INFO [stderr]    Compiling rusqlite v0.7.4
Dec 02 13:58:43.223 INFO [stderr]    Compiling timmy v0.3.0 (/source)
Dec 02 13:58:47.139 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 13:58:47.139 INFO [stderr]  --> src/main.rs:1:1
Dec 02 13:58:47.139 INFO [stderr]   |
Dec 02 13:58:47.139 INFO [stderr] 1 | #![feature(question_mark)]
Dec 02 13:58:47.139 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 13:58:47.139 INFO [stderr] 
Dec 02 13:58:47.139 INFO [stderr] error: aborting due to previous error
Dec 02 13:58:47.139 INFO [stderr] 
Dec 02 13:58:47.139 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 13:58:47.149 INFO [stderr] error: Could not compile `timmy`.
Dec 02 13:58:47.149 INFO [stderr] 
Dec 02 13:58:47.149 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 13:58:47.151 INFO [stderr] su: No module specific data is present
Dec 02 13:58:47.717 INFO running `"docker" "inspect" "813bd6f31e41d037989d6106259f295e68775783ca39cab3f14a59d0a75191a6"`
Dec 02 13:58:47.817 INFO running `"docker" "rm" "-f" "813bd6f31e41d037989d6106259f295e68775783ca39cab3f14a59d0a75191a6"`
Dec 02 13:58:47.939 INFO [stdout] 813bd6f31e41d037989d6106259f295e68775783ca39cab3f14a59d0a75191a6