Dec 04 16:48:53.452 INFO checking jbg/rust-mailer against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 16:48:53.452 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 04 16:48:53.708 INFO [stdout] 6553447a8f247bfdec96603f85f4238e09ef92d1d2e18be30fd97a438a04f771
Dec 04 16:48:53.710 INFO running `"docker" "start" "-a" "6553447a8f247bfdec96603f85f4238e09ef92d1d2e18be30fd97a438a04f771"`
Dec 04 16:48:54.254 INFO [stderr] usermod: no changes
Dec 04 16:48:54.331 INFO [stderr]     Checking tokio-service v0.1.0
Dec 04 16:48:54.331 INFO [stderr]     Checking futures-cpupool v0.1.2
Dec 04 16:48:54.331 INFO [stderr]     Checking tokio-core v0.1.4
Dec 04 16:48:56.287 INFO [stderr]     Checking tokio-proto v0.1.0
Dec 04 16:48:58.437 INFO [stderr]     Checking rust-mailer v0.1.0 (/source)
Dec 04 16:48:59.580 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.30s
Dec 04 16:48:59.599 INFO [stderr] su: No module specific data is present
Dec 04 16:49:00.374 INFO running `"docker" "inspect" "6553447a8f247bfdec96603f85f4238e09ef92d1d2e18be30fd97a438a04f771"`
Dec 04 16:49:00.747 INFO running `"docker" "rm" "-f" "6553447a8f247bfdec96603f85f4238e09ef92d1d2e18be30fd97a438a04f771"`
Dec 04 16:49:00.962 INFO [stdout] 6553447a8f247bfdec96603f85f4238e09ef92d1d2e18be30fd97a438a04f771