Dec 01 04:08:08.594 INFO testing rust-lang/mailgun-mailmap against 1.30.1 for beta-1.31-5
Dec 01 04:08:08.595 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 01 04:08:09.132 INFO [stdout] b247d849f74f9427c57e15ce8bbf1cec4a5d666011a1412a4766cb40d776435a
Dec 01 04:08:09.135 INFO running `"docker" "start" "-a" "b247d849f74f9427c57e15ce8bbf1cec4a5d666011a1412a4766cb40d776435a"`
Dec 01 04:08:10.938 INFO [stderr] usermod: no changes
Dec 01 04:08:11.140 INFO [stderr]    Compiling curl-sys v0.4.13
Dec 01 04:08:11.140 INFO [stderr]    Compiling socket2 v0.3.8
Dec 01 04:08:11.159 INFO [stderr]    Compiling env_logger v0.5.13
Dec 01 04:08:11.160 INFO [stderr]    Compiling openssl-sys v0.9.39
Dec 01 04:08:11.160 INFO [stderr]    Compiling libz-sys v1.0.25
Dec 01 04:08:11.199 INFO [stderr]    Compiling syn v0.15.17
Dec 01 04:08:11.200 INFO [stderr]    Compiling backtrace v0.3.9
Dec 01 04:08:19.333 INFO [stderr]    Compiling curl v0.4.18
Dec 01 04:08:33.622 INFO [stderr]    Compiling synstructure v0.10.1
Dec 01 04:08:33.622 INFO [stderr]    Compiling serde_derive v1.0.80
Dec 01 04:08:40.647 INFO [stderr]    Compiling failure_derive v0.1.3
Dec 01 04:08:45.314 INFO [stderr]    Compiling failure v0.1.3
Dec 01 04:08:55.154 INFO [stderr]    Compiling mailgun-mailmap v0.1.0 (/source)
Dec 01 04:08:55.187 INFO [stderr] error: Edition 2018 is unstable and only available for nightly builds of rustc.
Dec 01 04:08:55.187 INFO [stderr] 
Dec 01 04:08:55.216 INFO [stderr] error: Could not compile `mailgun-mailmap`.
Dec 01 04:08:55.216 INFO [stderr] 
Dec 01 04:08:55.217 INFO [stderr] To learn more, run the command again with --verbose.
Dec 01 04:08:55.224 INFO [stderr] su: No module specific data is present
Dec 01 04:08:56.171 INFO running `"docker" "inspect" "b247d849f74f9427c57e15ce8bbf1cec4a5d666011a1412a4766cb40d776435a"`
Dec 01 04:08:56.507 INFO running `"docker" "rm" "-f" "b247d849f74f9427c57e15ce8bbf1cec4a5d666011a1412a4766cb40d776435a"`
Dec 01 04:08:56.935 INFO [stdout] b247d849f74f9427c57e15ce8bbf1cec4a5d666011a1412a4766cb40d776435a
