Dec 11 13:55:57.872 INFO checking mawis/try-future against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 13:55:57.873 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 13:55:58.263 INFO [stdout] fd089903e1a9c0455f4a8f44b2a18331472509ee5f29250391655d8e398159a5
Dec 11 13:55:58.265 INFO running `"docker" "start" "-a" "fd089903e1a9c0455f4a8f44b2a18331472509ee5f29250391655d8e398159a5"`
Dec 11 13:55:59.123 INFO [stderr] usermod: no changes
Dec 11 13:55:59.178 INFO [stderr]     Checking bytes v0.4.5
Dec 11 13:55:59.964 INFO [stderr]     Checking tokio-io v0.1.4
Dec 11 13:56:00.852 INFO [stderr]     Checking tokio-core v0.1.10
Dec 11 13:56:02.177 INFO [stderr]     Checking try-future v0.1.0 (/source)
Dec 11 13:56:03.028 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.88s
Dec 11 13:56:03.033 INFO [stderr] su: No module specific data is present
Dec 11 13:56:03.920 INFO running `"docker" "inspect" "fd089903e1a9c0455f4a8f44b2a18331472509ee5f29250391655d8e398159a5"`
Dec 11 13:56:04.178 INFO running `"docker" "rm" "-f" "fd089903e1a9c0455f4a8f44b2a18331472509ee5f29250391655d8e398159a5"`
Dec 11 13:56:04.322 INFO [stdout] fd089903e1a9c0455f4a8f44b2a18331472509ee5f29250391655d8e398159a5