Nov 30 22:02:06.862 INFO testing utkarshkukreti/draco against 1.30.1 for beta-1.31-5
Nov 30 22:02:06.864 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"`
Nov 30 22:02:07.388 INFO [stdout] 1aa891177d7d0871b801fa306862075e2296b3a53a378fc0515e3c22a918a35c
Nov 30 22:02:07.390 INFO running `"docker" "start" "-a" "1aa891177d7d0871b801fa306862075e2296b3a53a378fc0515e3c22a918a35c"`
Nov 30 22:02:09.019 INFO [stderr] usermod: no changes
Nov 30 22:02:09.215 INFO [stderr]    Compiling wasm-bindgen-shared v0.2.27
Nov 30 22:02:09.219 INFO [stderr]    Compiling failure_derive v0.1.3
Nov 30 22:02:09.231 INFO [stderr]    Compiling cfg-if v0.1.6
Nov 30 22:02:09.247 INFO [stderr]    Compiling ucd-util v0.1.2
Nov 30 22:02:09.247 INFO [stderr]    Compiling rustc-demangle v0.1.9
Nov 30 22:02:09.247 INFO [stderr]    Compiling regex v1.0.6
Nov 30 22:02:09.247 INFO [stderr]    Compiling lazy_static v1.2.0
Nov 30 22:02:09.247 INFO [stderr]    Compiling quick-error v1.2.2
Nov 30 22:02:09.511 INFO [stderr]    Compiling utf8-ranges v1.0.2
Nov 30 22:02:11.047 INFO [stderr]    Compiling unicode-segmentation v1.2.1
Nov 30 22:02:11.047 INFO [stderr]    Compiling wasm-bindgen v0.2.27
Nov 30 22:02:11.047 INFO [stderr]    Compiling termcolor v1.0.4
Nov 30 22:02:12.844 INFO [stderr]    Compiling sourcefile v0.1.4
Nov 30 22:02:13.397 INFO [stderr]    Compiling memchr v2.1.1
Nov 30 22:02:13.447 INFO [stderr]    Compiling backtrace-sys v0.1.24
Nov 30 22:02:13.448 INFO [stderr]    Compiling log v0.4.6
Nov 30 22:02:15.107 INFO [stderr]    Compiling humantime v1.1.1
Nov 30 22:02:15.204 INFO [stderr]    Compiling thread_local v0.3.6
Nov 30 22:02:15.245 INFO [stderr]    Compiling int_hash v0.1.1
Nov 30 22:02:15.270 INFO [stderr]    Compiling regex-syntax v0.6.3
Nov 30 22:02:16.139 INFO [stderr]    Compiling heck v0.3.0
Nov 30 22:02:17.684 INFO [stderr]    Compiling syn v0.15.18
Nov 30 22:02:21.327 INFO [stderr]    Compiling backtrace v0.3.9
Nov 30 22:02:21.419 INFO [stderr]    Compiling aho-corasick v0.6.9
Nov 30 22:02:21.420 INFO [stderr]    Compiling nom v4.1.1
Nov 30 22:02:28.314 INFO [stderr]    Compiling weedle v0.8.0
Nov 30 22:02:50.555 INFO [stderr]    Compiling env_logger v0.5.13
Nov 30 22:02:58.291 INFO [stderr]    Compiling synstructure v0.10.1
Nov 30 22:02:58.291 INFO [stderr]    Compiling wasm-bindgen-backend v0.2.27
Nov 30 22:03:08.367 INFO [stderr]    Compiling wasm-bindgen-macro-support v0.2.27
Nov 30 22:03:08.472 INFO [stderr]    Compiling failure v0.1.3
Nov 30 22:03:09.351 INFO [stderr]    Compiling wasm-bindgen-webidl v0.2.21
Nov 30 22:03:13.757 INFO [stderr]    Compiling wasm-bindgen-macro v0.2.27
Nov 30 22:03:22.503 INFO [stderr]    Compiling web-sys v0.3.4
Nov 30 22:03:22.719 INFO [stderr]    Compiling js-sys v0.3.4
Nov 30 22:03:30.379 INFO [stderr]    Compiling wasm-bindgen-futures v0.3.4
Nov 30 22:03:40.907 INFO [stderr]    Compiling draco v0.1.1 (/source)
Nov 30 22:03:40.932 INFO [stderr] error: Edition 2018 is unstable and only available for nightly builds of rustc.
Nov 30 22:03:40.933 INFO [stderr] 
Nov 30 22:03:40.946 INFO [stderr] error: Could not compile `draco`.
Nov 30 22:03:40.946 INFO [stderr] 
Nov 30 22:03:40.946 INFO [stderr] To learn more, run the command again with --verbose.
Nov 30 22:03:40.951 INFO [stderr] su: No module specific data is present
Nov 30 22:03:41.673 INFO running `"docker" "inspect" "1aa891177d7d0871b801fa306862075e2296b3a53a378fc0515e3c22a918a35c"`
Nov 30 22:03:41.949 INFO running `"docker" "rm" "-f" "1aa891177d7d0871b801fa306862075e2296b3a53a378fc0515e3c22a918a35c"`
Nov 30 22:03:42.243 INFO [stdout] 1aa891177d7d0871b801fa306862075e2296b3a53a378fc0515e3c22a918a35c
