Dec 19 18:20:07.897 INFO checking data-pup/rust-temperature-converter against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 18:20:07.897 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/data-pup/rust-temperature-converter:/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 18:20:08.343 INFO [stdout] 4b07e9c6f416cb4d6d7a4124cf953b84e71cbf1d1638970d2b582a1498eaab0e
Dec 19 18:20:08.345 INFO running `"docker" "start" "-a" "4b07e9c6f416cb4d6d7a4124cf953b84e71cbf1d1638970d2b582a1498eaab0e"`
Dec 19 18:20:11.096 INFO [stderr]     Checking rust-temp-converter v0.1.0 (/opt/crater/workdir)
Dec 19 18:20:11.480 INFO [stderr] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Dec 19 18:20:11.480 INFO [stderr]  --> src/main.rs:1:12
Dec 19 18:20:11.480 INFO [stderr]   |
Dec 19 18:20:11.480 INFO [stderr] 1 | #![feature(iterator_step_by)]
Dec 19 18:20:11.480 INFO [stderr]   |            ^^^^^^^^^^^^^^^^
Dec 19 18:20:11.480 INFO [stderr]   |
Dec 19 18:20:11.480 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 19 18:20:11.480 INFO [stderr] 
Dec 19 18:20:11.713 INFO [stderr] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Dec 19 18:20:11.714 INFO [stderr]  --> src/main.rs:1:12
Dec 19 18:20:11.714 INFO [stderr]   |
Dec 19 18:20:11.714 INFO [stderr] 1 | #![feature(iterator_step_by)]
Dec 19 18:20:11.714 INFO [stderr]   |            ^^^^^^^^^^^^^^^^
Dec 19 18:20:11.714 INFO [stderr]   |
Dec 19 18:20:11.714 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 19 18:20:11.715 INFO [stderr] 
Dec 19 18:20:11.754 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
Dec 19 18:20:12.788 INFO running `"docker" "inspect" "4b07e9c6f416cb4d6d7a4124cf953b84e71cbf1d1638970d2b582a1498eaab0e"`
Dec 19 18:20:13.034 INFO running `"docker" "rm" "-f" "4b07e9c6f416cb4d6d7a4124cf953b84e71cbf1d1638970d2b582a1498eaab0e"`
Dec 19 18:20:13.259 INFO [stdout] 4b07e9c6f416cb4d6d7a4124cf953b84e71cbf1d1638970d2b582a1498eaab0e