Dec 05 13:34:15.135 INFO checking futures-stable-0.2.1 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 13:34:15.135 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 05 13:34:15.415 INFO [stdout] 96bd4b3f0e31398c4972d0a5d4814f3badad40c59fcb62543a1109d61aca3e1e
Dec 05 13:34:15.420 INFO running `"docker" "start" "-a" "96bd4b3f0e31398c4972d0a5d4814f3badad40c59fcb62543a1109d61aca3e1e"`
Dec 05 13:34:15.997 INFO [stderr] usermod: no changes
Dec 05 13:34:16.036 INFO [stderr]     Checking futures-io v0.2.1
Dec 05 13:34:16.619 INFO [stderr]     Checking futures-util v0.2.1
Dec 05 13:34:19.487 INFO [stderr]     Checking futures-executor v0.2.1
Dec 05 13:34:20.497 INFO [stderr]     Checking futures-stable v0.2.1 (/source)
Dec 05 13:34:20.989 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.97s
Dec 05 13:34:20.995 INFO [stderr] su: No module specific data is present
Dec 05 13:34:21.391 INFO running `"docker" "inspect" "96bd4b3f0e31398c4972d0a5d4814f3badad40c59fcb62543a1109d61aca3e1e"`
Dec 05 13:34:21.517 INFO running `"docker" "rm" "-f" "96bd4b3f0e31398c4972d0a5d4814f3badad40c59fcb62543a1109d61aca3e1e"`
Dec 05 13:34:21.682 INFO [stdout] 96bd4b3f0e31398c4972d0a5d4814f3badad40c59fcb62543a1109d61aca3e1e