Dec 11 07:34:47.237 INFO checking tobybot11/echo-proto against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 07:34:47.237 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 11 07:34:47.852 INFO [stdout] 5cd3137e0313e8b3db016e3d70a6e095a1cd91ced50ff81e343eccf1f5b40dcf
Dec 11 07:34:47.856 INFO running `"docker" "start" "-a" "5cd3137e0313e8b3db016e3d70a6e095a1cd91ced50ff81e343eccf1f5b40dcf"`
Dec 11 07:34:49.092 INFO [stderr] usermod: no changes
Dec 11 07:34:49.225 INFO [stderr]     Checking mio v0.6.12
Dec 11 07:34:50.596 INFO [stderr]     Checking tokio-core v0.1.12
Dec 11 07:34:51.849 INFO [stderr]     Checking tokio-proto v0.1.1
Dec 11 07:34:53.883 INFO [stderr]     Checking echo-proto v0.1.0 (/source)
Dec 11 07:34:54.484 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.37s
Dec 11 07:34:54.484 INFO [stderr] su: No module specific data is present
Dec 11 07:34:55.316 INFO running `"docker" "inspect" "5cd3137e0313e8b3db016e3d70a6e095a1cd91ced50ff81e343eccf1f5b40dcf"`
Dec 11 07:34:55.620 INFO running `"docker" "rm" "-f" "5cd3137e0313e8b3db016e3d70a6e095a1cd91ced50ff81e343eccf1f5b40dcf"`
Dec 11 07:34:55.973 INFO [stdout] 5cd3137e0313e8b3db016e3d70a6e095a1cd91ced50ff81e343eccf1f5b40dcf