Dec 12 14:45:41.353 INFO checking futures-sink-preview-0.3.0-alpha.10 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 14:45:41.353 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 14:45:41.773 INFO [stdout] e79d5c49d6c9907004b28099c47141edb4b3318a1445bfaf053beb2f468aa16e
Dec 12 14:45:41.778 INFO running `"docker" "start" "-a" "e79d5c49d6c9907004b28099c47141edb4b3318a1445bfaf053beb2f468aa16e"`
Dec 12 14:45:42.444 INFO [stderr] usermod: no changes
Dec 12 14:45:42.487 INFO [stderr]     Checking futures-core-preview v0.3.0-alpha.10
Dec 12 14:45:43.104 INFO [stderr]     Checking futures-channel-preview v0.3.0-alpha.10
Dec 12 14:45:43.758 INFO [stderr]     Checking futures-sink-preview v0.3.0-alpha.10 (/source)
Dec 12 14:45:44.540 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.07s
Dec 12 14:45:44.542 INFO [stderr] su: No module specific data is present
Dec 12 14:45:44.950 INFO running `"docker" "inspect" "e79d5c49d6c9907004b28099c47141edb4b3318a1445bfaf053beb2f468aa16e"`
Dec 12 14:45:45.061 INFO running `"docker" "rm" "-f" "e79d5c49d6c9907004b28099c47141edb4b3318a1445bfaf053beb2f468aa16e"`
Dec 12 14:45:45.192 INFO [stdout] e79d5c49d6c9907004b28099c47141edb4b3318a1445bfaf053beb2f468aa16e