Dec 02 17:41:38.668 INFO testing searchspot-0.16.0 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 02 17:41:38.669 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 02 17:41:39.004 INFO [stdout] 655ce403a00778ab0252ff6714dadf8e3a737865a997005e1e742f23b3e874de
Dec 02 17:41:39.012 INFO running `"docker" "start" "-a" "655ce403a00778ab0252ff6714dadf8e3a737865a997005e1e742f23b3e874de"`
Dec 02 17:41:40.039 INFO [stderr] usermod: no changes
Dec 02 17:41:40.420 INFO [stderr]    Compiling generic-array v0.7.3
Dec 02 17:41:40.420 INFO [stderr]    Compiling twoway v0.1.8
Dec 02 17:41:40.437 INFO [stderr]    Compiling hyper-openssl v0.2.7
Dec 02 17:41:40.438 INFO [stderr]    Compiling iron v0.6.0
Dec 02 17:41:41.483 INFO [stderr]    Compiling digest-buffer v0.3.1
Dec 02 17:41:41.483 INFO [stderr]    Compiling digest v0.5.2
Dec 02 17:41:41.483 INFO [stderr]    Compiling crypto-mac v0.3.0
Dec 02 17:41:42.275 INFO [stderr]    Compiling sha2 v0.5.3
Dec 02 17:41:42.275 INFO [stderr]    Compiling sha-1 v0.3.4
Dec 02 17:41:42.295 INFO [stderr]    Compiling hmac v0.1.1
Dec 02 17:41:42.799 INFO [stderr]    Compiling multipart v0.13.6
Dec 02 17:41:44.323 INFO [stderr]    Compiling oath v0.10.2
Dec 02 17:41:46.768 INFO [stderr]    Compiling rollbar v0.4.0
Dec 02 17:41:46.780 INFO [stderr]    Compiling rs-es v0.10.5
Dec 02 17:41:46.787 INFO [stderr]    Compiling persistent v0.4.0
Dec 02 17:41:46.819 INFO [stderr]    Compiling router v0.6.0
Dec 02 17:41:46.831 INFO [stderr]    Compiling logger v0.4.0
Dec 02 17:41:52.788 INFO [stderr]    Compiling bodyparser v0.8.0
Dec 02 17:41:58.042 INFO [stderr]    Compiling urlencoded v0.6.0
Dec 02 17:42:01.740 INFO [stderr]    Compiling params v0.8.0
Dec 02 17:42:12.965 INFO [stderr]    Compiling searchspot v0.16.0 (/source)
Dec 02 17:42:20.280 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 17:42:20.280 INFO [stderr]  --> src/lib.rs:1:1
Dec 02 17:42:20.280 INFO [stderr]   |
Dec 02 17:42:20.280 INFO [stderr] 1 | #![feature(conservative_impl_trait, iterator_for_each)]
Dec 02 17:42:20.280 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 17:42:20.280 INFO [stderr] 
Dec 02 17:42:20.294 INFO [stderr] error: aborting due to previous error
Dec 02 17:42:20.294 INFO [stderr] 
Dec 02 17:42:20.294 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 17:42:20.321 INFO [stderr] error: Could not compile `searchspot`.
Dec 02 17:42:20.321 INFO [stderr] 
Dec 02 17:42:20.321 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 17:42:20.321 INFO [stderr] su: No module specific data is present
Dec 02 17:42:20.985 INFO running `"docker" "inspect" "655ce403a00778ab0252ff6714dadf8e3a737865a997005e1e742f23b3e874de"`
Dec 02 17:42:21.223 INFO running `"docker" "rm" "-f" "655ce403a00778ab0252ff6714dadf8e3a737865a997005e1e742f23b3e874de"`
Dec 02 17:42:21.418 INFO [stdout] 655ce403a00778ab0252ff6714dadf8e3a737865a997005e1e742f23b3e874de