Dec 19 16:30:51.404 INFO checking gingerDevilish/wc-rs against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 16:30:51.404 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/gingerDevilish/wc-rs:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 16:30:51.844 INFO [stdout] 3766250110bcd0db2c7b6fab5c192af177ae222dc964228fde0725817706ca46
Dec 19 16:30:51.846 INFO running `"docker" "start" "-a" "3766250110bcd0db2c7b6fab5c192af177ae222dc964228fde0725817706ca46"`
Dec 19 16:30:53.316 INFO [stderr]     Checking wc v0.1.0 (/opt/crater/workdir)
Dec 19 16:30:53.984 INFO [stderr] warning: the feature `iterator_flatten` has been stable since 1.29.0 and no longer requires an attribute to enable
Dec 19 16:30:53.984 INFO [stderr]  --> src/main.rs:1:12
Dec 19 16:30:53.984 INFO [stderr]   |
Dec 19 16:30:53.984 INFO [stderr] 1 | #![feature(iterator_flatten)]
Dec 19 16:30:53.984 INFO [stderr]   |            ^^^^^^^^^^^^^^^^
Dec 19 16:30:53.984 INFO [stderr]   |
Dec 19 16:30:53.984 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 19 16:30:53.984 INFO [stderr] 
Dec 19 16:30:54.187 INFO [stderr] warning: the feature `iterator_flatten` has been stable since 1.29.0 and no longer requires an attribute to enable
Dec 19 16:30:54.187 INFO [stderr]  --> src/main.rs:1:12
Dec 19 16:30:54.187 INFO [stderr]   |
Dec 19 16:30:54.187 INFO [stderr] 1 | #![feature(iterator_flatten)]
Dec 19 16:30:54.187 INFO [stderr]   |            ^^^^^^^^^^^^^^^^
Dec 19 16:30:54.187 INFO [stderr]   |
Dec 19 16:30:54.187 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 19 16:30:54.187 INFO [stderr] 
Dec 19 16:30:54.234 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
Dec 19 16:30:55.338 INFO running `"docker" "inspect" "3766250110bcd0db2c7b6fab5c192af177ae222dc964228fde0725817706ca46"`
Dec 19 16:30:55.618 INFO running `"docker" "rm" "-f" "3766250110bcd0db2c7b6fab5c192af177ae222dc964228fde0725817706ca46"`
Dec 19 16:30:55.956 INFO [stdout] 3766250110bcd0db2c7b6fab5c192af177ae222dc964228fde0725817706ca46