Dec 18 16:31:59.204 INFO checking fibers_rpc-0.2.17 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 16:31:59.205 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/fibers_rpc/0.2.17:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 16:31:59.444 INFO [stdout] 54c92f70c26e89dd859cbbf1485b7bc99ac1b25e7c3fe73d538e84982c19a9da
Dec 18 16:31:59.450 INFO running `"docker" "start" "-a" "54c92f70c26e89dd859cbbf1485b7bc99ac1b25e7c3fe73d538e84982c19a9da"`
Dec 18 16:32:00.543 INFO [stderr]     Checking fibers v0.1.12
Dec 18 16:32:00.543 INFO [stderr]     Checking trackable v0.2.20
Dec 18 16:32:00.543 INFO [stderr]     Checking slog-kvfilter v0.6.1
Dec 18 16:32:01.172 INFO [stderr]     Checking prometrics v0.1.11
Dec 18 16:32:01.172 INFO [stderr]     Checking bytecodec v0.4.11
Dec 18 16:32:01.824 INFO [stderr]     Checking sloggers v0.2.9
Dec 18 16:32:02.065 INFO [stderr]     Checking fibers_global v0.1.0
Dec 18 16:32:03.355 INFO [stderr]     Checking tasque v0.1.4
Dec 18 16:32:04.020 INFO [stderr]     Checking fibers_tasque v0.1.1
Dec 18 16:32:05.081 INFO [stderr]     Checking fibers_rpc v0.2.17 (/opt/crater/workdir)
Dec 18 16:32:07.188 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 16:32:07.188 INFO [stderr]  --> src/error.rs:8:1
Dec 18 16:32:07.188 INFO [stderr]   |
Dec 18 16:32:07.188 INFO [stderr] 8 | derive_traits_for_trackable_error_newtype!(Error, ErrorKind);
Dec 18 16:32:07.188 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 16:32:07.208 INFO [stderr]   |
Dec 18 16:32:07.208 INFO [stderr]   = note: #[warn(deprecated)] on by default
Dec 18 16:32:07.208 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 16:32:07.208 INFO [stderr] 
Dec 18 16:32:07.381 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 16:32:07.381 INFO [stderr]  --> src/error.rs:8:1
Dec 18 16:32:07.381 INFO [stderr]   |
Dec 18 16:32:07.381 INFO [stderr] 8 | derive_traits_for_trackable_error_newtype!(Error, ErrorKind);
Dec 18 16:32:07.381 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 16:32:07.381 INFO [stderr]   |
Dec 18 16:32:07.381 INFO [stderr]   = note: #[warn(deprecated)] on by default
Dec 18 16:32:07.381 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 16:32:07.381 INFO [stderr] 
Dec 18 16:32:10.352 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.97s
Dec 18 16:32:10.984 INFO running `"docker" "inspect" "54c92f70c26e89dd859cbbf1485b7bc99ac1b25e7c3fe73d538e84982c19a9da"`
Dec 18 16:32:11.118 INFO running `"docker" "rm" "-f" "54c92f70c26e89dd859cbbf1485b7bc99ac1b25e7c3fe73d538e84982c19a9da"`
Dec 18 16:32:11.263 INFO [stdout] 54c92f70c26e89dd859cbbf1485b7bc99ac1b25e7c3fe73d538e84982c19a9da