Dec 18 17:26:53.157 INFO checking columnar-0.0.19 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 17:26:53.158 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/reg/columnar/0.0.19:/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 18 17:26:53.484 INFO [stdout] 577c92d49f40ce96a6357d67a446cda21ff9e973b858126230427dd6bb0df5af
Dec 18 17:26:53.486 INFO running `"docker" "start" "-a" "577c92d49f40ce96a6357d67a446cda21ff9e973b858126230427dd6bb0df5af"`
Dec 18 17:26:54.243 INFO [stderr]     Checking columnar v0.0.19 (/opt/crater/workdir)
Dec 18 17:26:54.531 INFO [stderr] warning: unused import: `std::mem::size_of`
Dec 18 17:26:54.531 INFO [stderr]  --> src/lib.rs:4:5
Dec 18 17:26:54.531 INFO [stderr]   |
Dec 18 17:26:54.531 INFO [stderr] 4 | use std::mem::size_of;
Dec 18 17:26:54.531 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 18 17:26:54.531 INFO [stderr]   |
Dec 18 17:26:54.531 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 17:26:54.531 INFO [stderr] 
Dec 18 17:26:54.557 INFO [stderr] warning: unused import: `std::mem::size_of`
Dec 18 17:26:54.557 INFO [stderr]  --> src/lib.rs:4:5
Dec 18 17:26:54.557 INFO [stderr]   |
Dec 18 17:26:54.557 INFO [stderr] 4 | use std::mem::size_of;
Dec 18 17:26:54.557 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 18 17:26:54.557 INFO [stderr]   |
Dec 18 17:26:54.557 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 17:26:54.557 INFO [stderr] 
Dec 18 17:26:55.116 INFO [stderr] warning: unused import: `std::io::Read`
Dec 18 17:26:55.116 INFO [stderr]   --> benches/bench.rs:10:5
Dec 18 17:26:55.116 INFO [stderr]    |
Dec 18 17:26:55.116 INFO [stderr] 10 | use std::io::Read;
Dec 18 17:26:55.116 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 18 17:26:55.116 INFO [stderr]    |
Dec 18 17:26:55.116 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 17:26:55.116 INFO [stderr] 
Dec 18 17:26:55.172 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
Dec 18 17:26:55.589 INFO running `"docker" "inspect" "577c92d49f40ce96a6357d67a446cda21ff9e973b858126230427dd6bb0df5af"`
Dec 18 17:26:55.790 INFO running `"docker" "rm" "-f" "577c92d49f40ce96a6357d67a446cda21ff9e973b858126230427dd6bb0df5af"`
Dec 18 17:26:55.948 INFO [stdout] 577c92d49f40ce96a6357d67a446cda21ff9e973b858126230427dd6bb0df5af