Dec 19 10:21:52.473 INFO checking rchaser53/macro-playground against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 10:21:52.473 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/rchaser53/macro-playground:/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 10:21:52.948 INFO [stdout] ba79d1bfd2b5568ab4f1742270f3755585ed3efa7489cf1a30baf3b50cb3e193
Dec 19 10:21:52.954 INFO running `"docker" "start" "-a" "ba79d1bfd2b5568ab4f1742270f3755585ed3efa7489cf1a30baf3b50cb3e193"`
Dec 19 10:21:55.290 INFO [stderr]     Checking macro-playground v0.1.0 (/opt/crater/workdir)
Dec 19 10:21:55.604 INFO [stderr] warning: unused import: `std::error::Error`
Dec 19 10:21:55.604 INFO [stderr]  --> src/main.rs:5:5
Dec 19 10:21:55.604 INFO [stderr]   |
Dec 19 10:21:55.604 INFO [stderr] 5 | use std::error::Error;
Dec 19 10:21:55.604 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 19 10:21:55.604 INFO [stderr]   |
Dec 19 10:21:55.604 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 10:21:55.604 INFO [stderr] 
Dec 19 10:21:55.620 INFO [stderr] warning: unused import: `std::error::Error`
Dec 19 10:21:55.621 INFO [stderr]  --> src/main.rs:5:5
Dec 19 10:21:55.621 INFO [stderr]   |
Dec 19 10:21:55.621 INFO [stderr] 5 | use std::error::Error;
Dec 19 10:21:55.622 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 19 10:21:55.622 INFO [stderr]   |
Dec 19 10:21:55.622 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 10:21:55.622 INFO [stderr] 
Dec 19 10:21:55.741 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
Dec 19 10:21:57.117 INFO running `"docker" "inspect" "ba79d1bfd2b5568ab4f1742270f3755585ed3efa7489cf1a30baf3b50cb3e193"`
Dec 19 10:21:57.468 INFO running `"docker" "rm" "-f" "ba79d1bfd2b5568ab4f1742270f3755585ed3efa7489cf1a30baf3b50cb3e193"`
Dec 19 10:21:57.824 INFO [stdout] ba79d1bfd2b5568ab4f1742270f3755585ed3efa7489cf1a30baf3b50cb3e193