Dec 19 18:51:59.769 INFO checking coffeecup-winner/qqfind against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 18:51:59.769 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/coffeecup-winner/qqfind:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 18:51:59.981 INFO [stdout] b2e2ab7e7602ed8de5a7cb8fe9123bd67834fbc98b6a58dace858ae71a6b35a8
Dec 19 18:51:59.986 INFO running `"docker" "start" "-a" "b2e2ab7e7602ed8de5a7cb8fe9123bd67834fbc98b6a58dace858ae71a6b35a8"`
Dec 19 18:52:01.095 INFO [stderr]     Checking tokio-reactor v0.1.6
Dec 19 18:52:01.882 INFO [stderr]     Checking inotify v0.6.1
Dec 19 18:52:02.738 INFO [stderr]     Checking qqfind v0.1.0 (/opt/crater/workdir)
Dec 19 18:52:03.326 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.38s
Dec 19 18:52:03.980 INFO running `"docker" "inspect" "b2e2ab7e7602ed8de5a7cb8fe9123bd67834fbc98b6a58dace858ae71a6b35a8"`
Dec 19 18:52:04.172 INFO running `"docker" "rm" "-f" "b2e2ab7e7602ed8de5a7cb8fe9123bd67834fbc98b6a58dace858ae71a6b35a8"`
Dec 19 18:52:04.405 INFO [stdout] b2e2ab7e7602ed8de5a7cb8fe9123bd67834fbc98b6a58dace858ae71a6b35a8