Dec 01 07:19:26.096 INFO testing nooberfsh/heartbeat against 1.30.1 for beta-1.31-5
Dec 01 07:19:26.097 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-1/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 01 07:19:26.409 INFO [stdout] fa4fc38221d417f65e8fdc8c9d86d0cea09f1f9b09fc201051861e81500c289d
Dec 01 07:19:26.411 INFO running `"docker" "start" "-a" "fa4fc38221d417f65e8fdc8c9d86d0cea09f1f9b09fc201051861e81500c289d"`
Dec 01 07:19:27.050 INFO [stderr] usermod: no changes
Dec 01 07:19:27.151 INFO [stderr]    Compiling iovec v0.1.1
Dec 01 07:19:27.151 INFO [stderr]    Compiling net2 v0.2.31
Dec 01 07:19:27.760 INFO [stderr]    Compiling bytes v0.4.5
Dec 01 07:19:28.563 INFO [stderr]    Compiling mio v0.6.11
Dec 01 07:19:29.611 INFO [stderr]    Compiling tokio-io v0.1.3
Dec 01 07:19:32.143 INFO [stderr]    Compiling tokio-core v0.1.10
Dec 01 07:19:34.634 INFO [stderr]    Compiling test-tokio v0.1.0 (/source)
Dec 01 07:19:35.163 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 01 07:19:35.164 INFO [stderr]  --> src/main.rs:1:1
Dec 01 07:19:35.164 INFO [stderr]   |
Dec 01 07:19:35.164 INFO [stderr] 1 | #![feature(conservative_impl_trait)]
Dec 01 07:19:35.164 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 07:19:35.165 INFO [stderr] 
Dec 01 07:19:35.165 INFO [stderr] error: aborting due to previous error
Dec 01 07:19:35.165 INFO [stderr] 
Dec 01 07:19:35.165 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 01 07:19:35.171 INFO [stderr] error: Could not compile `test-tokio`.
Dec 01 07:19:35.171 INFO [stderr] 
Dec 01 07:19:35.171 INFO [stderr] To learn more, run the command again with --verbose.
Dec 01 07:19:35.171 INFO [stderr] su: No module specific data is present
Dec 01 07:19:35.761 INFO running `"docker" "inspect" "fa4fc38221d417f65e8fdc8c9d86d0cea09f1f9b09fc201051861e81500c289d"`
Dec 01 07:19:36.002 INFO running `"docker" "rm" "-f" "fa4fc38221d417f65e8fdc8c9d86d0cea09f1f9b09fc201051861e81500c289d"`
Dec 01 07:19:36.299 INFO [stdout] fa4fc38221d417f65e8fdc8c9d86d0cea09f1f9b09fc201051861e81500c289d
