Dec 17 17:13:22.657 INFO checking rchaser53/macro-playground against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 17:13:22.657 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 17:13:23.271 INFO [stdout] 458fba7a051ed56586cd2793235c894db3714d53496f06c9464d8c7f8cb16fe6
Dec 17 17:13:23.273 INFO running `"docker" "start" "-a" "458fba7a051ed56586cd2793235c894db3714d53496f06c9464d8c7f8cb16fe6"`
Dec 17 17:13:25.501 INFO [stderr]     Checking macro-playground v0.1.0 (/opt/crater/workdir)
Dec 17 17:13:25.658 INFO [stderr] warning: unused import: `std::error::Error`
Dec 17 17:13:25.658 INFO [stderr]  --> src/main.rs:5:5
Dec 17 17:13:25.658 INFO [stderr]   |
Dec 17 17:13:25.659 INFO [stderr] 5 | use std::error::Error;
Dec 17 17:13:25.659 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 17 17:13:25.659 INFO [stderr]   |
Dec 17 17:13:25.660 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 17:13:25.660 INFO [stderr] 
Dec 17 17:13:25.668 INFO [stderr] warning: unused import: `std::error::Error`
Dec 17 17:13:25.668 INFO [stderr]  --> src/main.rs:5:5
Dec 17 17:13:25.668 INFO [stderr]   |
Dec 17 17:13:25.669 INFO [stderr] 5 | use std::error::Error;
Dec 17 17:13:25.669 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 17 17:13:25.669 INFO [stderr]   |
Dec 17 17:13:25.669 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 17:13:25.670 INFO [stderr] 
Dec 17 17:13:25.740 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
Dec 17 17:13:26.215 INFO running `"docker" "inspect" "458fba7a051ed56586cd2793235c894db3714d53496f06c9464d8c7f8cb16fe6"`
Dec 17 17:13:26.386 INFO running `"docker" "rm" "-f" "458fba7a051ed56586cd2793235c894db3714d53496f06c9464d8c7f8cb16fe6"`
Dec 17 17:13:26.511 INFO [stdout] 458fba7a051ed56586cd2793235c894db3714d53496f06c9464d8c7f8cb16fe6