Dec 02 09:10:38.316 INFO testing Big-B/n-body against 1.30.1 for beta-1.31-5
Dec 02 09:10:38.316 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-6/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 09:10:38.716 INFO [stdout] a9f75477b53c3dec86c901baa1c79b112bbd28be6898f59b07a57b931c7698a6
Dec 02 09:10:38.722 INFO running `"docker" "start" "-a" "a9f75477b53c3dec86c901baa1c79b112bbd28be6898f59b07a57b931c7698a6"`
Dec 02 09:10:39.718 INFO [stderr] usermod: no changes
Dec 02 09:10:40.179 INFO [stderr]    Compiling log v0.4.3
Dec 02 09:10:40.179 INFO [stderr]    Compiling serde_json v1.0.24
Dec 02 09:10:40.190 INFO [stderr]    Compiling serde_urlencoded v0.5.2
Dec 02 09:10:40.191 INFO [stderr]    Compiling syn v0.14.8
Dec 02 09:10:40.191 INFO [stderr]    Compiling regex v1.0.2
Dec 02 09:10:40.191 INFO [stderr]    Compiling string_cache_codegen v0.4.1
Dec 02 09:10:44.955 INFO [stderr]    Compiling tokio-io v0.1.7
Dec 02 09:10:44.955 INFO [stderr]    Compiling mio v0.6.15
Dec 02 09:10:44.955 INFO [stderr]    Compiling tokio-threadpool v0.1.5
Dec 02 09:10:46.355 INFO [stderr]    Compiling want v0.0.4
Dec 02 09:10:49.963 INFO [stderr]    Compiling log v0.3.9
Dec 02 09:11:03.707 INFO [stderr]    Compiling tokio-codec v0.1.0
Dec 02 09:11:04.083 INFO [stderr]    Compiling tokio-fs v0.1.3
Dec 02 09:11:04.083 INFO [stderr]    Compiling tokio-reactor v0.1.3
Dec 02 09:11:04.313 INFO [stderr]    Compiling string_cache v0.6.2
Dec 02 09:11:04.319 INFO [stderr]    Compiling markup5ever v0.3.2
Dec 02 09:11:16.230 INFO [stderr]    Compiling tokio-tcp v0.1.1
Dec 02 09:11:16.307 INFO [stderr]    Compiling tokio-udp v0.1.1
Dec 02 09:11:17.667 INFO [stderr]    Compiling serde_derive v1.0.71
Dec 02 09:11:24.394 INFO [stderr]    Compiling tokio v0.1.7
Dec 02 09:11:33.431 INFO [stderr]    Compiling tokio-core v0.1.17
Dec 02 09:11:37.093 INFO [stderr]    Compiling html5ever v0.18.0
Dec 02 09:11:38.138 INFO [stderr]    Compiling hyper v0.11.27
Dec 02 09:11:38.138 INFO [stderr]    Compiling tokio-tls v0.1.4
Dec 02 09:11:46.766 INFO [stderr]    Compiling select v0.4.2
Dec 02 09:11:56.979 INFO [stderr]    Compiling hyper-tls v0.1.4
Dec 02 09:12:00.633 INFO [stderr]    Compiling reqwest v0.8.7
Dec 02 09:12:12.641 INFO [stderr]    Compiling n-body v0.3.0 (/source)
Dec 02 09:12:14.484 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 09:12:14.484 INFO [stderr]  --> src/lib.rs:1:1
Dec 02 09:12:14.484 INFO [stderr]   |
Dec 02 09:12:14.484 INFO [stderr] 1 | #![feature(test)]
Dec 02 09:12:14.484 INFO [stderr]   | ^^^^^^^^^^^^^^^^^
Dec 02 09:12:14.484 INFO [stderr] 
Dec 02 09:12:14.486 INFO [stderr] error: aborting due to previous error
Dec 02 09:12:14.486 INFO [stderr] 
Dec 02 09:12:14.486 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 09:12:14.511 INFO [stderr] error: Could not compile `n-body`.
Dec 02 09:12:14.511 INFO [stderr] 
Dec 02 09:12:14.511 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 09:12:14.512 INFO [stderr] su: No module specific data is present
Dec 02 09:12:14.832 INFO running `"docker" "inspect" "a9f75477b53c3dec86c901baa1c79b112bbd28be6898f59b07a57b931c7698a6"`
Dec 02 09:12:14.933 INFO running `"docker" "rm" "-f" "a9f75477b53c3dec86c901baa1c79b112bbd28be6898f59b07a57b931c7698a6"`
Dec 02 09:12:15.048 INFO [stdout] a9f75477b53c3dec86c901baa1c79b112bbd28be6898f59b07a57b931c7698a6