Dec 03 03:09:08.073 INFO testing libdeadmock-0.1.6 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 03 03:09:08.073 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 03 03:09:08.508 INFO [stdout] 96e1b22dff3fba8149f70569c943f80e8bc520cebcd7434ca1c778665d157b3f
Dec 03 03:09:08.510 INFO running `"docker" "start" "-a" "96e1b22dff3fba8149f70569c943f80e8bc520cebcd7434ca1c778665d157b3f"`
Dec 03 03:09:09.683 INFO [stderr] usermod: no changes
Dec 03 03:09:10.138 INFO [stderr]    Compiling futures v0.1.25
Dec 03 03:09:10.148 INFO [stderr]    Compiling term v0.5.1
Dec 03 03:09:10.155 INFO [stderr]    Compiling base64 v0.9.3
Dec 03 03:09:10.160 INFO [stderr]    Compiling syn v0.13.11
Dec 03 03:09:10.160 INFO [stderr]    Compiling slog-try v0.2.0
Dec 03 03:09:10.164 INFO [stderr]    Compiling bytes v0.4.11
Dec 03 03:09:10.167 INFO [stderr]    Compiling once_cell v0.1.6
Dec 03 03:09:10.167 INFO [stderr]    Compiling toml v0.4.9
Dec 03 03:09:10.987 INFO [stderr]    Compiling uuid v0.7.1
Dec 03 03:09:14.303 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 03 03:09:14.303 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-0.1.25/src/lib.rs:161:34
Dec 03 03:09:14.303 INFO [stderr]     |
Dec 03 03:09:14.303 INFO [stderr] 161 | #![cfg_attr(feature = "nightly", feature(pin))]
Dec 03 03:09:14.303 INFO [stderr]     |                                  ^^^^^^^^^^^^
Dec 03 03:09:14.303 INFO [stderr] 
Dec 03 03:09:14.411 INFO [stderr] error: aborting due to previous error
Dec 03 03:09:14.411 INFO [stderr] 
Dec 03 03:09:14.411 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 03:09:14.423 INFO [stderr] error: Could not compile `futures`.
Dec 03 03:09:14.423 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 03 03:09:29.111 INFO [stderr] error: build failed
Dec 03 03:09:29.111 INFO [stderr] su: No module specific data is present
Dec 03 03:09:29.660 INFO running `"docker" "inspect" "96e1b22dff3fba8149f70569c943f80e8bc520cebcd7434ca1c778665d157b3f"`
Dec 03 03:09:29.907 INFO running `"docker" "rm" "-f" "96e1b22dff3fba8149f70569c943f80e8bc520cebcd7434ca1c778665d157b3f"`
Dec 03 03:09:30.145 INFO [stdout] 96e1b22dff3fba8149f70569c943f80e8bc520cebcd7434ca1c778665d157b3f