Dec 18 16:31:55.816 INFO checking fibers_transport-0.1.2 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 16:31:55.816 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/fibers_transport/0.1.2:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 16:31:56.181 INFO [stdout] 56e54d03d3c8e3ff87951bc4c077b045b093b61d42c53bc1d010bbdecb98668e
Dec 18 16:31:56.183 INFO running `"docker" "start" "-a" "56e54d03d3c8e3ff87951bc4c077b045b093b61d42c53bc1d010bbdecb98668e"`
Dec 18 16:31:57.232 INFO [stderr]     Checking bytecodec v0.4.11
Dec 18 16:32:00.316 INFO [stderr]     Checking fibers_transport v0.1.2 (/opt/crater/workdir)
Dec 18 16:32:01.168 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 16:32:01.168 INFO [stderr]   --> src/error.rs:10:1
Dec 18 16:32:01.168 INFO [stderr]    |
Dec 18 16:32:01.168 INFO [stderr] 10 | derive_traits_for_trackable_error_newtype!(Error, ErrorKind);
Dec 18 16:32:01.168 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 16:32:01.168 INFO [stderr]    |
Dec 18 16:32:01.168 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 18 16:32:01.168 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 18 16:32:01.168 INFO [stderr] 
Dec 18 16:32:01.176 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 16:32:01.176 INFO [stderr]   --> src/error.rs:10:1
Dec 18 16:32:01.176 INFO [stderr]    |
Dec 18 16:32:01.176 INFO [stderr] 10 | derive_traits_for_trackable_error_newtype!(Error, ErrorKind);
Dec 18 16:32:01.176 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 16:32:01.176 INFO [stderr]    |
Dec 18 16:32:01.176 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 18 16:32:01.176 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 18 16:32:01.176 INFO [stderr] 
Dec 18 16:32:01.426 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.26s
Dec 18 16:32:02.094 INFO running `"docker" "inspect" "56e54d03d3c8e3ff87951bc4c077b045b093b61d42c53bc1d010bbdecb98668e"`
Dec 18 16:32:02.350 INFO running `"docker" "rm" "-f" "56e54d03d3c8e3ff87951bc4c077b045b093b61d42c53bc1d010bbdecb98668e"`
Dec 18 16:32:02.664 INFO [stdout] 56e54d03d3c8e3ff87951bc4c077b045b093b61d42c53bc1d010bbdecb98668e