Dec 19 16:07:56.189 INFO checking henryroyal/cli-pairwise-product against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 16:07:56.189 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/henryroyal/cli-pairwise-product:/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 16:07:56.752 INFO [stdout] 4c36573d3049686511d0ae56a8647b777c811083654eee4659f27aeaab1eff8a
Dec 19 16:07:56.808 INFO running `"docker" "start" "-a" "4c36573d3049686511d0ae56a8647b777c811083654eee4659f27aeaab1eff8a"`
Dec 19 16:07:57.746 INFO [stderr]     Checking pairwise_product v0.1.0 (/opt/crater/workdir)
Dec 19 16:07:57.916 INFO [stderr] warning: value assigned to `value` is never read
Dec 19 16:07:57.916 INFO [stderr]   --> src/main.rs:24:13
Dec 19 16:07:57.916 INFO [stderr]    |
Dec 19 16:07:57.916 INFO [stderr] 24 |     let mut value = 0;
Dec 19 16:07:57.916 INFO [stderr]    |             ^^^^^
Dec 19 16:07:57.916 INFO [stderr]    |
Dec 19 16:07:57.916 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 19 16:07:57.916 INFO [stderr]    = help: maybe it is overwritten before being read?
Dec 19 16:07:57.916 INFO [stderr] 
Dec 19 16:07:57.932 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 16:07:57.932 INFO [stderr]   --> src/main.rs:45:5
Dec 19 16:07:57.932 INFO [stderr]    |
Dec 19 16:07:57.932 INFO [stderr] 45 |     std::io::stdin().read_line(&mut stdin);
Dec 19 16:07:57.932 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:07:57.932 INFO [stderr]    |
Dec 19 16:07:57.932 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 16:07:57.932 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 16:07:57.932 INFO [stderr] 
Dec 19 16:07:57.962 INFO [stderr] warning: value assigned to `value` is never read
Dec 19 16:07:57.962 INFO [stderr]   --> src/main.rs:24:13
Dec 19 16:07:57.962 INFO [stderr]    |
Dec 19 16:07:57.962 INFO [stderr] 24 |     let mut value = 0;
Dec 19 16:07:57.962 INFO [stderr]    |             ^^^^^
Dec 19 16:07:57.962 INFO [stderr]    |
Dec 19 16:07:57.962 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 19 16:07:57.962 INFO [stderr]    = help: maybe it is overwritten before being read?
Dec 19 16:07:57.962 INFO [stderr] 
Dec 19 16:07:57.978 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 16:07:57.978 INFO [stderr]   --> src/main.rs:45:5
Dec 19 16:07:57.978 INFO [stderr]    |
Dec 19 16:07:57.978 INFO [stderr] 45 |     std::io::stdin().read_line(&mut stdin);
Dec 19 16:07:57.978 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:07:57.978 INFO [stderr]    |
Dec 19 16:07:57.978 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 16:07:57.978 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 16:07:57.978 INFO [stderr] 
Dec 19 16:07:58.005 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
Dec 19 16:07:58.686 INFO running `"docker" "inspect" "4c36573d3049686511d0ae56a8647b777c811083654eee4659f27aeaab1eff8a"`
Dec 19 16:07:58.856 INFO running `"docker" "rm" "-f" "4c36573d3049686511d0ae56a8647b777c811083654eee4659f27aeaab1eff8a"`
Dec 19 16:07:59.163 INFO [stdout] 4c36573d3049686511d0ae56a8647b777c811083654eee4659f27aeaab1eff8a