Dec 12 17:56:22.775 INFO checking async-serialization-0.2.2 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 17:56:22.775 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 12 17:56:23.010 INFO [stdout] 1a85720efbd5472a100de8449217cc1092d916be8e92f3d9d8663583905c20a5
Dec 12 17:56:23.016 INFO running `"docker" "start" "-a" "1a85720efbd5472a100de8449217cc1092d916be8e92f3d9d8663583905c20a5"`
Dec 12 17:56:24.354 INFO [stderr] usermod: no changes
Dec 12 17:56:24.433 INFO [stderr]     Checking futures-core v0.2.1
Dec 12 17:56:25.104 INFO [stderr]     Checking futures-io v0.2.1
Dec 12 17:56:25.899 INFO [stderr]     Checking async-serialization v0.2.2 (/source)
Dec 12 17:56:27.375 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.99s
Dec 12 17:56:27.378 INFO [stderr] su: No module specific data is present
Dec 12 17:56:27.697 INFO running `"docker" "inspect" "1a85720efbd5472a100de8449217cc1092d916be8e92f3d9d8663583905c20a5"`
Dec 12 17:56:27.856 INFO running `"docker" "rm" "-f" "1a85720efbd5472a100de8449217cc1092d916be8e92f3d9d8663583905c20a5"`
Dec 12 17:56:27.987 INFO [stdout] 1a85720efbd5472a100de8449217cc1092d916be8e92f3d9d8663583905c20a5