Dec 19 17:21:04.849 INFO checking eochat/client against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 17:21:04.849 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-6/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/eochat/client:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 17:21:05.412 INFO [stdout] 3c53ac5c3585664ae18cafd4dfd216a879124214d5585d7d50829a38b0b66cf7
Dec 19 17:21:05.418 INFO running `"docker" "start" "-a" "3c53ac5c3585664ae18cafd4dfd216a879124214d5585d7d50829a38b0b66cf7"`
Dec 19 17:21:06.966 INFO [stderr]     Checking serde_json v0.8.4
Dec 19 17:21:06.972 INFO [stderr]    Compiling serde_codegen_internals v0.11.1
Dec 19 17:21:09.023 INFO [stderr]    Compiling serde_codegen v0.8.19
Dec 19 17:21:12.979 INFO [stderr]    Compiling serde_derive v0.8.19
Dec 19 17:21:14.106 INFO [stderr]     Checking chat v0.1.0 (/opt/crater/workdir)
Dec 19 17:21:14.572 INFO [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Dec 19 17:21:14.573 INFO [stderr]  --> src/main.rs:1:12
Dec 19 17:21:14.573 INFO [stderr]   |
Dec 19 17:21:14.573 INFO [stderr] 1 | #![feature(proc_macro)]
Dec 19 17:21:14.573 INFO [stderr]   |            ^^^^^^^^^^
Dec 19 17:21:14.574 INFO [stderr]   |
Dec 19 17:21:14.574 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 19 17:21:14.574 INFO [stderr] 
Dec 19 17:21:14.959 INFO [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Dec 19 17:21:14.959 INFO [stderr]  --> src/main.rs:1:12
Dec 19 17:21:14.960 INFO [stderr]   |
Dec 19 17:21:14.960 INFO [stderr] 1 | #![feature(proc_macro)]
Dec 19 17:21:14.960 INFO [stderr]   |            ^^^^^^^^^^
Dec 19 17:21:14.960 INFO [stderr]   |
Dec 19 17:21:14.964 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 19 17:21:14.964 INFO [stderr] 
Dec 19 17:21:14.996 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.12s
Dec 19 17:21:15.583 INFO running `"docker" "inspect" "3c53ac5c3585664ae18cafd4dfd216a879124214d5585d7d50829a38b0b66cf7"`
Dec 19 17:21:15.824 INFO running `"docker" "rm" "-f" "3c53ac5c3585664ae18cafd4dfd216a879124214d5585d7d50829a38b0b66cf7"`
Dec 19 17:21:16.080 INFO [stdout] 3c53ac5c3585664ae18cafd4dfd216a879124214d5585d7d50829a38b0b66cf7