Dec 02 22:49:42.200 INFO testing pf_sandbox_lib-0.2.0 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 02 22:49:42.200 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-2/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 22:49:42.621 INFO [stdout] 6eba01bbfb8f7edbead8fc0b7235ee64e78a214f5025c5ac5e76e8eca6a327de
Dec 02 22:49:42.623 INFO running `"docker" "start" "-a" "6eba01bbfb8f7edbead8fc0b7235ee64e78a214f5025c5ac5e76e8eca6a327de"`
Dec 02 22:49:43.125 INFO [stderr] usermod: no changes
Dec 02 22:49:43.547 INFO [stderr]    Compiling pf_sandbox_lib v0.2.0 (/source)
Dec 02 22:49:43.548 INFO [stderr]    Compiling enum_traits v0.3.0
Dec 02 22:49:43.552 INFO [stderr]    Compiling enum_traits_macros v2.0.0
Dec 02 22:49:43.554 INFO [stderr]    Compiling libudev-sys v0.1.4
Dec 02 22:49:43.557 INFO [stderr]    Compiling uuid v0.7.1
Dec 02 22:49:43.559 INFO [stderr]    Compiling serde_derive v1.0.80
Dec 02 22:49:43.560 INFO [stderr]    Compiling treeflection_derive v0.3.2
Dec 02 22:49:43.562 INFO [stderr]    Compiling os_type v2.2.0
Dec 02 22:49:44.231 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 22:49:44.231 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/enum_traits-0.3.0/src/lib.rs:5:1
Dec 02 22:49:44.231 INFO [stderr]   |
Dec 02 22:49:44.231 INFO [stderr] 5 | #![feature(associated_consts)]
Dec 02 22:49:44.231 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 22:49:44.231 INFO [stderr] 
Dec 02 22:49:44.231 INFO [stderr] error: aborting due to previous error
Dec 02 22:49:44.231 INFO [stderr] 
Dec 02 22:49:44.231 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 22:49:44.237 INFO [stderr] error: Could not compile `enum_traits`.
Dec 02 22:49:44.237 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 02 22:50:07.299 INFO [stderr] error: build failed
Dec 02 22:50:07.299 INFO [stderr] su: No module specific data is present
Dec 02 22:50:07.959 INFO running `"docker" "inspect" "6eba01bbfb8f7edbead8fc0b7235ee64e78a214f5025c5ac5e76e8eca6a327de"`
Dec 02 22:50:08.291 INFO running `"docker" "rm" "-f" "6eba01bbfb8f7edbead8fc0b7235ee64e78a214f5025c5ac5e76e8eca6a327de"`
Dec 02 22:50:08.647 INFO [stdout] 6eba01bbfb8f7edbead8fc0b7235ee64e78a214f5025c5ac5e76e8eca6a327de