Dec 18 09:10:05.005 INFO checking wstcp-0.1.4 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 09:10:05.005 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/wstcp/0.1.4:/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 09:10:05.515 INFO [stdout] ebf75e162f21b4cc010f8c2c417c59c9876437fab6f33f3a33e5d25491247cb9
Dec 18 09:10:05.517 INFO running `"docker" "start" "-a" "ebf75e162f21b4cc010f8c2c417c59c9876437fab6f33f3a33e5d25491247cb9"`
Dec 18 09:10:06.716 INFO [stderr]    Compiling slog v2.4.1
Dec 18 09:10:06.716 INFO [stderr]     Checking splay_tree v0.2.10
Dec 18 09:10:06.716 INFO [stderr]     Checking nbchan v0.1.3
Dec 18 09:10:06.716 INFO [stderr]    Compiling trackable_derive v0.1.1
Dec 18 09:10:07.855 INFO [stderr]     Checking fibers v0.1.12
Dec 18 09:10:08.189 INFO [stderr]     Checking slog-scope v4.1.0
Dec 18 09:10:08.189 INFO [stderr]     Checking slog-term v2.4.0
Dec 18 09:10:08.189 INFO [stderr]     Checking slog-kvfilter v0.6.1
Dec 18 09:10:08.189 INFO [stderr]     Checking slog-async v2.3.0
Dec 18 09:10:08.854 INFO [stderr]     Checking trackable v0.2.20
Dec 18 09:10:09.368 INFO [stderr]     Checking slog-stdlog v3.0.2
Dec 18 09:10:09.595 INFO [stderr]     Checking bytecodec v0.4.11
Dec 18 09:10:10.303 INFO [stderr]     Checking sloggers v0.2.9
Dec 18 09:10:13.188 INFO [stderr]     Checking httpcodec v0.2.2
Dec 18 09:10:14.401 INFO [stderr]     Checking wstcp v0.1.4 (/opt/crater/workdir)
Dec 18 09:10:15.464 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 09:10:15.464 INFO [stderr]  --> src/error.rs:8:1
Dec 18 09:10:15.464 INFO [stderr]   |
Dec 18 09:10:15.464 INFO [stderr] 8 | derive_traits_for_trackable_error_newtype!(Error, ErrorKind);
Dec 18 09:10:15.464 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 09:10:15.464 INFO [stderr]   |
Dec 18 09:10:15.464 INFO [stderr]   = note: #[warn(deprecated)] on by default
Dec 18 09:10:15.464 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 09:10:15.464 INFO [stderr] 
Dec 18 09:10:15.504 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 09:10:15.504 INFO [stderr]  --> src/error.rs:8:1
Dec 18 09:10:15.504 INFO [stderr]   |
Dec 18 09:10:15.504 INFO [stderr] 8 | derive_traits_for_trackable_error_newtype!(Error, ErrorKind);
Dec 18 09:10:15.504 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 09:10:15.504 INFO [stderr]   |
Dec 18 09:10:15.504 INFO [stderr]   = note: #[warn(deprecated)] on by default
Dec 18 09:10:15.504 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 09:10:15.504 INFO [stderr] 
Dec 18 09:10:19.508 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.03s
Dec 18 09:10:20.338 INFO running `"docker" "inspect" "ebf75e162f21b4cc010f8c2c417c59c9876437fab6f33f3a33e5d25491247cb9"`
Dec 18 09:10:20.582 INFO running `"docker" "rm" "-f" "ebf75e162f21b4cc010f8c2c417c59c9876437fab6f33f3a33e5d25491247cb9"`
Dec 18 09:10:20.903 INFO [stdout] ebf75e162f21b4cc010f8c2c417c59c9876437fab6f33f3a33e5d25491247cb9