Dec 19 13:56:53.994 INFO checking kw-udon/succinct_tree against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 13:56:53.994 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/kw-udon/succinct_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 13:56:54.223 INFO [stdout] 5b051c8deb470ecb2781cc1bba8e278148017dfa52e1c5c4bcdc3a1e1a5d0bcb
Dec 19 13:56:54.223 INFO running `"docker" "start" "-a" "5b051c8deb470ecb2781cc1bba8e278148017dfa52e1c5c4bcdc3a1e1a5d0bcb"`
Dec 19 13:56:54.735 INFO [stderr]     Checking succinct_tree v0.1.0 (/opt/crater/workdir)
Dec 19 13:56:54.857 INFO [stderr] warning: unused import: `std::mem::size_of`
Dec 19 13:56:54.857 INFO [stderr]  --> src/main.rs:7:5
Dec 19 13:56:54.857 INFO [stderr]   |
Dec 19 13:56:54.857 INFO [stderr] 7 | use std::mem::size_of;
Dec 19 13:56:54.857 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 19 13:56:54.857 INFO [stderr]   |
Dec 19 13:56:54.857 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 13:56:54.857 INFO [stderr] 
Dec 19 13:56:54.883 INFO [stderr] warning: unused import: `std::mem::size_of`
Dec 19 13:56:54.883 INFO [stderr]  --> src/main.rs:7:5
Dec 19 13:56:54.883 INFO [stderr]   |
Dec 19 13:56:54.883 INFO [stderr] 7 | use std::mem::size_of;
Dec 19 13:56:54.883 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 19 13:56:54.883 INFO [stderr]   |
Dec 19 13:56:54.883 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 13:56:54.883 INFO [stderr] 
Dec 19 13:56:55.138 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
Dec 19 13:56:55.583 INFO running `"docker" "inspect" "5b051c8deb470ecb2781cc1bba8e278148017dfa52e1c5c4bcdc3a1e1a5d0bcb"`
Dec 19 13:56:55.759 INFO running `"docker" "rm" "-f" "5b051c8deb470ecb2781cc1bba8e278148017dfa52e1c5c4bcdc3a1e1a5d0bcb"`
Dec 19 13:56:56.035 INFO [stdout] 5b051c8deb470ecb2781cc1bba8e278148017dfa52e1c5c4bcdc3a1e1a5d0bcb