Dec 11 13:55:59.004 INFO checking mawis/try-future against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 13:55:59.004 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-7/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 13:55:59.179 INFO [stdout] 26a7dd29738459d1bb36a80a5ea8069d24e66e9f8f6236e0daeb8111cb2503bc
Dec 11 13:55:59.181 INFO running `"docker" "start" "-a" "26a7dd29738459d1bb36a80a5ea8069d24e66e9f8f6236e0daeb8111cb2503bc"`
Dec 11 13:55:59.800 INFO [stderr] usermod: no changes
Dec 11 13:55:59.946 INFO [stderr]     Checking iovec v0.1.1
Dec 11 13:56:00.239 INFO [stderr]     Checking bytes v0.4.5
Dec 11 13:56:00.239 INFO [stderr]     Checking mio v0.6.11
Dec 11 13:56:01.083 INFO [stderr]     Checking tokio-io v0.1.4
Dec 11 13:56:02.024 INFO [stderr]     Checking tokio-core v0.1.10
Dec 11 13:56:03.284 INFO [stderr]     Checking try-future v0.1.0 (/source)
Dec 11 13:56:04.145 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.32s
Dec 11 13:56:04.148 INFO [stderr] su: No module specific data is present
Dec 11 13:56:04.679 INFO running `"docker" "inspect" "26a7dd29738459d1bb36a80a5ea8069d24e66e9f8f6236e0daeb8111cb2503bc"`
Dec 11 13:56:04.803 INFO running `"docker" "rm" "-f" "26a7dd29738459d1bb36a80a5ea8069d24e66e9f8f6236e0daeb8111cb2503bc"`
Dec 11 13:56:04.955 INFO [stdout] 26a7dd29738459d1bb36a80a5ea8069d24e66e9f8f6236e0daeb8111cb2503bc