Dec 18 14:07:44.004 INFO checking may-0.3.1 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 14:07:44.004 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/may/0.3.1:/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 14:07:44.264 INFO [stdout] d40c9975b5552b864c3f906c41ce4c3ce50d1c3cb1c68fe5d93464828312732f
Dec 18 14:07:44.266 INFO running `"docker" "start" "-a" "d40c9975b5552b864c3f906c41ce4c3ce50d1c3cb1c68fe5d93464828312732f"`
Dec 18 14:07:45.344 INFO [stderr]     Checking socket2 v0.3.8
Dec 18 14:07:45.344 INFO [stderr]    Compiling may_queue v0.1.2
Dec 18 14:07:45.344 INFO [stderr]    Compiling generator v0.6.10
Dec 18 14:07:45.352 INFO [stderr]    Compiling may v0.3.1 (/opt/crater/workdir)
Dec 18 14:07:45.380 INFO [stderr]     Checking tungstenite v0.5.4
Dec 18 14:07:49.381 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 14:07:49.381 INFO [stderr]   --> src/io/co_io_err.rs:46:18
Dec 18 14:07:49.381 INFO [stderr]    |
Dec 18 14:07:49.381 INFO [stderr] 46 |         self.err.cause()
Dec 18 14:07:49.381 INFO [stderr]    |                  ^^^^^
Dec 18 14:07:49.381 INFO [stderr]    |
Dec 18 14:07:49.381 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 18 14:07:49.381 INFO [stderr] 
Dec 18 14:07:49.902 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 14:07:49.902 INFO [stderr]   --> src/io/co_io_err.rs:46:18
Dec 18 14:07:49.903 INFO [stderr]    |
Dec 18 14:07:49.903 INFO [stderr] 46 |         self.err.cause()
Dec 18 14:07:49.903 INFO [stderr]    |                  ^^^^^
Dec 18 14:07:49.903 INFO [stderr]    |
Dec 18 14:07:49.903 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 18 14:07:49.903 INFO [stderr] 
Dec 18 14:07:58.251 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.15s
Dec 18 14:07:58.990 INFO running `"docker" "inspect" "d40c9975b5552b864c3f906c41ce4c3ce50d1c3cb1c68fe5d93464828312732f"`
Dec 18 14:07:59.148 INFO running `"docker" "rm" "-f" "d40c9975b5552b864c3f906c41ce4c3ce50d1c3cb1c68fe5d93464828312732f"`
Dec 18 14:07:59.368 INFO [stdout] d40c9975b5552b864c3f906c41ce4c3ce50d1c3cb1c68fe5d93464828312732f