Dec 19 22:37:24.333 INFO checking Norbytus/rust_bin_tree against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 22:37:24.333 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/Norbytus/rust_bin_tree:/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 22:37:24.794 INFO [stdout] 0693bd6fe5c0030c08d25c661642eb5906727f090b5889e6a860d356824259fb
Dec 19 22:37:24.796 INFO running `"docker" "start" "-a" "0693bd6fe5c0030c08d25c661642eb5906727f090b5889e6a860d356824259fb"`
Dec 19 22:37:26.528 INFO [stderr]     Checking bin_tree v0.1.0 (/opt/crater/workdir)
Dec 19 22:37:26.881 INFO [stderr] warning: unused import: `std::rc::Rc`
Dec 19 22:37:26.881 INFO [stderr]  --> src/main.rs:2:5
Dec 19 22:37:26.881 INFO [stderr]   |
Dec 19 22:37:26.881 INFO [stderr] 2 | use std::rc::Rc;
Dec 19 22:37:26.881 INFO [stderr]   |     ^^^^^^^^^^^
Dec 19 22:37:26.881 INFO [stderr]   |
Dec 19 22:37:26.881 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 22:37:26.881 INFO [stderr] 
Dec 19 22:37:26.881 INFO [stderr] warning: unused import: `std::rc::Rc`
Dec 19 22:37:26.881 INFO [stderr]  --> src/main.rs:2:5
Dec 19 22:37:26.881 INFO [stderr]   |
Dec 19 22:37:26.881 INFO [stderr] 2 | use std::rc::Rc;
Dec 19 22:37:26.881 INFO [stderr]   |     ^^^^^^^^^^^
Dec 19 22:37:26.881 INFO [stderr]   |
Dec 19 22:37:26.881 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 22:37:26.881 INFO [stderr] 
Dec 19 22:37:27.034 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
Dec 19 22:37:28.268 INFO running `"docker" "inspect" "0693bd6fe5c0030c08d25c661642eb5906727f090b5889e6a860d356824259fb"`
Dec 19 22:37:28.578 INFO running `"docker" "rm" "-f" "0693bd6fe5c0030c08d25c661642eb5906727f090b5889e6a860d356824259fb"`
Dec 19 22:37:28.826 INFO [stdout] 0693bd6fe5c0030c08d25c661642eb5906727f090b5889e6a860d356824259fb