Dec 02 18:28:01.036 INFO testing rustfm-0.1.2 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 02 18:28:01.036 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 18:28:01.511 INFO [stdout] bc706e672380de642dd9bd5a1bf0a9a07b8b1744253846d4ec5ab3c11e577b6f
Dec 02 18:28:01.517 INFO running `"docker" "start" "-a" "bc706e672380de642dd9bd5a1bf0a9a07b8b1744253846d4ec5ab3c11e577b6f"`
Dec 02 18:28:02.988 INFO [stderr] usermod: no changes
Dec 02 18:28:03.287 INFO [stderr]    Compiling openssl-sys v0.7.17
Dec 02 18:28:03.287 INFO [stderr]    Compiling openssl-sys-extras v0.7.14
Dec 02 18:28:03.299 INFO [stderr]    Compiling openssl v0.7.14
Dec 02 18:28:03.317 INFO [stderr]    Compiling hpack v0.2.0
Dec 02 18:28:09.619 INFO [stderr]    Compiling solicit v0.4.4
Dec 02 18:28:20.218 INFO [stderr]    Compiling cookie v0.2.5
Dec 02 18:28:20.219 INFO [stderr]    Compiling openssl-verify v0.1.0
Dec 02 18:28:23.979 INFO [stderr]    Compiling hyper v0.9.18
Dec 02 18:28:33.979 INFO [stderr]    Compiling rustfm v0.1.2 (/source)
Dec 02 18:28:36.727 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 18:28:36.727 INFO [stderr]  --> src/lib.rs:1:1
Dec 02 18:28:36.727 INFO [stderr]   |
Dec 02 18:28:36.727 INFO [stderr] 1 | #![feature(custom_derive, plugin)]
Dec 02 18:28:36.727 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 18:28:36.727 INFO [stderr] 
Dec 02 18:28:36.727 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 18:28:36.727 INFO [stderr]  --> src/lib.rs:2:1
Dec 02 18:28:36.727 INFO [stderr]   |
Dec 02 18:28:36.727 INFO [stderr] 2 | #![feature(proc_macro)]
Dec 02 18:28:36.727 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 18:28:36.727 INFO [stderr] 
Dec 02 18:28:36.727 INFO [stderr] error: aborting due to 2 previous errors
Dec 02 18:28:36.727 INFO [stderr] 
Dec 02 18:28:36.727 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 18:28:36.740 INFO [stderr] error: Could not compile `rustfm`.
Dec 02 18:28:36.740 INFO [stderr] 
Dec 02 18:28:36.740 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 18:28:36.743 INFO [stderr] su: No module specific data is present
Dec 02 18:28:37.591 INFO running `"docker" "inspect" "bc706e672380de642dd9bd5a1bf0a9a07b8b1744253846d4ec5ab3c11e577b6f"`
Dec 02 18:28:37.887 INFO running `"docker" "rm" "-f" "bc706e672380de642dd9bd5a1bf0a9a07b8b1744253846d4ec5ab3c11e577b6f"`
Dec 02 18:28:38.191 INFO [stdout] bc706e672380de642dd9bd5a1bf0a9a07b8b1744253846d4ec5ab3c11e577b6f