Dec 12 09:27:33.436 INFO checking rand-0.6.1 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 09:27:33.436 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 12 09:27:33.634 INFO [stdout] 24c521c01f2d55193ae9f1817aca88601706ddc9b12db9f54ed3cd7bbb8c570a
Dec 12 09:27:33.638 INFO running `"docker" "start" "-a" "24c521c01f2d55193ae9f1817aca88601706ddc9b12db9f54ed3cd7bbb8c570a"`
Dec 12 09:27:34.369 INFO [stderr] usermod: no changes
Dec 12 09:27:34.500 INFO [stderr]     Checking custom_derive v0.1.7
Dec 12 09:27:34.520 INFO [stderr]    Compiling rand v0.6.1 (/source)
Dec 12 09:27:34.663 INFO [stderr]     Checking conv v0.3.3
Dec 12 09:27:36.188 INFO [stderr]     Checking average v0.9.2
Dec 12 09:27:45.900 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.51s
Dec 12 09:27:45.916 INFO [stderr] su: No module specific data is present
Dec 12 09:27:46.572 INFO running `"docker" "inspect" "24c521c01f2d55193ae9f1817aca88601706ddc9b12db9f54ed3cd7bbb8c570a"`
Dec 12 09:27:46.946 INFO running `"docker" "rm" "-f" "24c521c01f2d55193ae9f1817aca88601706ddc9b12db9f54ed3cd7bbb8c570a"`
Dec 12 09:27:47.234 INFO [stdout] 24c521c01f2d55193ae9f1817aca88601706ddc9b12db9f54ed3cd7bbb8c570a