Dec 12 17:56:22.836 INFO checking async-serialization-0.2.2 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 17:56:22.837 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 12 17:56:23.083 INFO [stdout] 4184a26f520438e5dfba277f94cd8bc5b68189eb7ebaf557d02abdb4e187faf1
Dec 12 17:56:23.086 INFO running `"docker" "start" "-a" "4184a26f520438e5dfba277f94cd8bc5b68189eb7ebaf557d02abdb4e187faf1"`
Dec 12 17:56:24.548 INFO [stderr] usermod: no changes
Dec 12 17:56:24.637 INFO [stderr]     Checking futures-core v0.2.1
Dec 12 17:56:25.377 INFO [stderr]     Checking futures-io v0.2.1
Dec 12 17:56:26.068 INFO [stderr]     Checking async-serialization v0.2.2 (/source)
Dec 12 17:56:27.407 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.82s
Dec 12 17:56:27.409 INFO [stderr] su: No module specific data is present
Dec 12 17:56:27.693 INFO running `"docker" "inspect" "4184a26f520438e5dfba277f94cd8bc5b68189eb7ebaf557d02abdb4e187faf1"`
Dec 12 17:56:27.817 INFO running `"docker" "rm" "-f" "4184a26f520438e5dfba277f94cd8bc5b68189eb7ebaf557d02abdb4e187faf1"`
Dec 12 17:56:27.943 INFO [stdout] 4184a26f520438e5dfba277f94cd8bc5b68189eb7ebaf557d02abdb4e187faf1