Dec 03 03:09:14.181 INFO testing libdeadmock-0.1.6 against 1.30.1 for beta-1.31-5
Dec 03 03:09:14.181 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-4/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 03 03:09:14.611 INFO [stdout] 75e8a8216906d89777d744f2b8c5ab35499bdee4b7ee578e9517c5d86dd24aa7
Dec 03 03:09:14.614 INFO running `"docker" "start" "-a" "75e8a8216906d89777d744f2b8c5ab35499bdee4b7ee578e9517c5d86dd24aa7"`
Dec 03 03:09:15.639 INFO [stderr] usermod: no changes
Dec 03 03:09:16.055 INFO [stderr]    Compiling byteorder v1.2.7
Dec 03 03:09:16.055 INFO [stderr]    Compiling futures v0.1.25
Dec 03 03:09:16.067 INFO [stderr]    Compiling slog-async v2.3.0
Dec 03 03:09:16.071 INFO [stderr]    Compiling slog-try v0.2.0
Dec 03 03:09:16.072 INFO [stderr]    Compiling once_cell v0.1.6
Dec 03 03:09:16.072 INFO [stderr]    Compiling toml v0.4.9
Dec 03 03:09:16.073 INFO [stderr]    Compiling libeither v0.3.0
Dec 03 03:09:16.227 INFO [stderr] error: Edition 2018 is unstable and only available for nightly builds of rustc.
Dec 03 03:09:16.243 INFO [stderr] 
Dec 03 03:09:16.243 INFO [stderr] error: Could not compile `libeither`.
Dec 03 03:09:16.243 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 03 03:09:18.180 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 03:09:18.180 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-0.1.25/src/lib.rs:161:34
Dec 03 03:09:18.181 INFO [stderr]     |
Dec 03 03:09:18.181 INFO [stderr] 161 | #![cfg_attr(feature = "nightly", feature(pin))]
Dec 03 03:09:18.181 INFO [stderr]     |                                  ^^^^^^^^^^^^^
Dec 03 03:09:18.181 INFO [stderr] 
Dec 03 03:09:18.323 INFO [stderr] error: aborting due to previous error
Dec 03 03:09:18.323 INFO [stderr] 
Dec 03 03:09:18.323 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 03:09:18.359 INFO [stderr] error: Could not compile `futures`.
Dec 03 03:09:18.359 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 03 03:09:25.358 INFO [stderr] error: build failed
Dec 03 03:09:25.358 INFO [stderr] su: No module specific data is present
Dec 03 03:09:26.084 INFO running `"docker" "inspect" "75e8a8216906d89777d744f2b8c5ab35499bdee4b7ee578e9517c5d86dd24aa7"`
Dec 03 03:09:26.352 INFO running `"docker" "rm" "-f" "75e8a8216906d89777d744f2b8c5ab35499bdee4b7ee578e9517c5d86dd24aa7"`
Dec 03 03:09:26.651 INFO [stdout] 75e8a8216906d89777d744f2b8c5ab35499bdee4b7ee578e9517c5d86dd24aa7