Dec 05 13:35:14.644 INFO checking futures-bufio-0.2.0 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 13:35:14.644 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 13:35:15.051 INFO [stdout] ef911eb29d5e1844cdf6c9e33072d9ac3562517f1e04c0a7cfb758e22287fc9d
Dec 05 13:35:15.056 INFO running `"docker" "start" "-a" "ef911eb29d5e1844cdf6c9e33072d9ac3562517f1e04c0a7cfb758e22287fc9d"`
Dec 05 13:35:16.231 INFO [stderr] usermod: no changes
Dec 05 13:35:16.307 INFO [stderr]     Checking futures-bufio v0.2.0 (/source)
Dec 05 13:35:17.367 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 05 13:35:17.367 INFO [stderr]   --> src/lib.rs:10:12
Dec 05 13:35:17.367 INFO [stderr]    |
Dec 05 13:35:17.367 INFO [stderr] 10 | #![feature(conservative_impl_trait)]
Dec 05 13:35:17.367 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 13:35:17.367 INFO [stderr]    |
Dec 05 13:35:17.367 INFO [stderr]    = note: #[warn(stable_features)] on by default
Dec 05 13:35:17.367 INFO [stderr] 
Dec 05 13:35:18.372 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 05 13:35:18.372 INFO [stderr]   --> src/lib.rs:10:12
Dec 05 13:35:18.372 INFO [stderr]    |
Dec 05 13:35:18.372 INFO [stderr] 10 | #![feature(conservative_impl_trait)]
Dec 05 13:35:18.372 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 13:35:18.372 INFO [stderr]    |
Dec 05 13:35:18.379 INFO [stderr]    = note: #[warn(stable_features)] on by default
Dec 05 13:35:18.379 INFO [stderr] 
Dec 05 13:35:18.447 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.17s
Dec 05 13:35:18.447 INFO [stderr] su: No module specific data is present
Dec 05 13:35:19.191 INFO running `"docker" "inspect" "ef911eb29d5e1844cdf6c9e33072d9ac3562517f1e04c0a7cfb758e22287fc9d"`
Dec 05 13:35:19.443 INFO running `"docker" "rm" "-f" "ef911eb29d5e1844cdf6c9e33072d9ac3562517f1e04c0a7cfb758e22287fc9d"`
Dec 05 13:35:19.707 INFO [stdout] ef911eb29d5e1844cdf6c9e33072d9ac3562517f1e04c0a7cfb758e22287fc9d