Dec 02 07:56:38.630 INFO testing Epsylon42/catbot against 1.30.1 for beta-1.31-5
Dec 02 07:56:38.631 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-2/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/beta-1.31-5/1.30.1:/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 +1.30.1 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 07:56:39.095 INFO [stdout] 066145a37995f4ffc9305d0c0bf42543911fcda6e96549a592ec6de5cc54aaaf
Dec 02 07:56:39.103 INFO running `"docker" "start" "-a" "066145a37995f4ffc9305d0c0bf42543911fcda6e96549a592ec6de5cc54aaaf"`
Dec 02 07:56:40.570 INFO [stderr] usermod: no changes
Dec 02 07:56:41.007 INFO [stderr]    Compiling miniz-sys v0.1.10
Dec 02 07:56:41.007 INFO [stderr]    Compiling backtrace-sys v0.1.16
Dec 02 07:56:41.027 INFO [stderr]    Compiling chrono v0.4.2
Dec 02 07:56:41.027 INFO [stderr]    Compiling unic-emoji-char v0.7.0
Dec 02 07:56:41.027 INFO [stderr]    Compiling tokio-io v0.1.6
Dec 02 07:56:41.027 INFO [stderr]    Compiling openssl-sys v0.9.28
Dec 02 07:56:41.027 INFO [stderr]    Compiling syn v0.13.2
Dec 02 07:56:41.027 INFO [stderr]    Compiling parking_lot_core v0.2.14
Dec 02 07:56:47.626 INFO [stderr]    Compiling hyper v0.10.13
Dec 02 07:56:49.499 INFO [stderr]    Compiling serde_urlencoded v0.5.1
Dec 02 07:56:50.142 INFO [stderr]    Compiling tokio-reactor v0.1.1
Dec 02 07:56:50.340 INFO [stderr]    Compiling openssl v0.9.24
Dec 02 07:56:52.440 INFO [stderr]    Compiling parking_lot v0.5.5
Dec 02 07:56:58.959 INFO [stderr]    Compiling tokio-tcp v0.1.0
Dec 02 07:57:00.066 INFO [stderr]    Compiling tokio-udp v0.1.0
Dec 02 07:57:00.147 INFO [stderr]    Compiling mime_guess v1.8.4
Dec 02 07:57:01.679 INFO [stderr]    Compiling mime_guess v2.0.0-alpha.4
Dec 02 07:57:05.623 INFO [stderr]    Compiling flate2 v1.0.1
Dec 02 07:57:06.815 INFO [stderr]    Compiling tokio v0.1.5
Dec 02 07:57:09.843 INFO [stderr]    Compiling native-tls v0.1.5
Dec 02 07:57:16.267 INFO [stderr]    Compiling serde_derive_internals v0.23.1
Dec 02 07:57:17.761 INFO [stderr]    Compiling tokio-core v0.1.17
Dec 02 07:57:17.761 INFO [stderr]    Compiling evzht9h3nznqzwl v0.0.3
Dec 02 07:57:18.286 INFO [stderr]    Compiling multipart v0.13.6
Dec 02 07:57:18.299 INFO [stderr]    Compiling hyper-native-tls v0.2.4
Dec 02 07:57:20.985 INFO [stderr]    Compiling backtrace v0.3.6
Dec 02 07:57:23.204 INFO [stderr]    Compiling failure v0.1.1
Dec 02 07:57:25.295 INFO [stderr]    Compiling tokio-proto v0.1.1
Dec 02 07:57:25.347 INFO [stderr]    Compiling tokio-tls v0.1.4
Dec 02 07:57:26.463 INFO [stderr]    Compiling serde_derive v1.0.43
Dec 02 07:57:33.383 INFO [stderr]    Compiling hyper v0.11.25
Dec 02 07:57:43.292 INFO [stderr]    Compiling serenity v0.5.2
Dec 02 07:57:53.809 INFO [stderr]    Compiling hyper-tls v0.1.3
Dec 02 07:58:00.904 INFO [stderr]    Compiling reqwest v0.8.5
Dec 02 07:58:50.263 INFO [stderr]    Compiling catbot v0.1.0 (/source)
Dec 02 07:59:01.951 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 07:59:01.951 INFO [stderr]  --> src/main.rs:1:1
Dec 02 07:59:01.951 INFO [stderr]   |
Dec 02 07:59:01.951 INFO [stderr] 1 | #![feature(range_contains)]
Dec 02 07:59:01.951 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 07:59:01.951 INFO [stderr] 
Dec 02 07:59:01.967 INFO [stderr] error: aborting due to previous error
Dec 02 07:59:01.967 INFO [stderr] 
Dec 02 07:59:01.967 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 07:59:01.985 INFO [stderr] error: Could not compile `catbot`.
Dec 02 07:59:01.985 INFO [stderr] 
Dec 02 07:59:01.985 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 07:59:01.987 INFO [stderr] su: No module specific data is present
Dec 02 07:59:04.019 INFO running `"docker" "inspect" "066145a37995f4ffc9305d0c0bf42543911fcda6e96549a592ec6de5cc54aaaf"`
Dec 02 07:59:04.344 INFO running `"docker" "rm" "-f" "066145a37995f4ffc9305d0c0bf42543911fcda6e96549a592ec6de5cc54aaaf"`
Dec 02 07:59:04.667 INFO [stdout] 066145a37995f4ffc9305d0c0bf42543911fcda6e96549a592ec6de5cc54aaaf