Nov 30 07:27:50.620 INFO checking ajh/future_playground against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 07:27:50.620 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-4/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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"`
Nov 30 07:27:50.780 INFO [stdout] ecb75d8ae87f400a52dda243452fa6a93296384d6669facb3d9beca2dc3e083f
Nov 30 07:27:50.781 INFO running `"docker" "start" "-a" "ecb75d8ae87f400a52dda243452fa6a93296384d6669facb3d9beca2dc3e083f"`
Nov 30 07:27:51.456 INFO [stderr] usermod: no changes
Nov 30 07:27:51.533 INFO [stderr]     Checking futures v0.1.6
Nov 30 07:27:51.537 INFO [stderr]     Checking nix v0.7.0
Nov 30 07:27:53.411 INFO [stderr]     Checking futures-cpupool v0.1.2
Nov 30 07:27:55.222 INFO [stderr]     Checking mio v0.6.1
Nov 30 07:27:56.274 INFO [stderr]     Checking tokio-core v0.1.1
Nov 30 07:27:57.324 INFO [stderr]     Checking tokiproto v0.1.0 (/source)
Nov 30 07:27:58.323 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.84s
Nov 30 07:27:58.328 INFO [stderr] su: No module specific data is present
Nov 30 07:27:58.760 INFO running `"docker" "inspect" "ecb75d8ae87f400a52dda243452fa6a93296384d6669facb3d9beca2dc3e083f"`
Nov 30 07:27:58.949 INFO running `"docker" "rm" "-f" "ecb75d8ae87f400a52dda243452fa6a93296384d6669facb3d9beca2dc3e083f"`
Nov 30 07:27:59.252 INFO [stdout] ecb75d8ae87f400a52dda243452fa6a93296384d6669facb3d9beca2dc3e083f