Dec 18 03:46:50.942 INFO checking ashishnegi/learndb against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 03:46:50.942 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/ashishnegi/learndb:/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 03:46:51.472 INFO [stdout] dd764ca1baf2f880181c872797acab009ba0c43b22b26426b79966ca382cca1e
Dec 18 03:46:51.474 INFO running `"docker" "start" "-a" "dd764ca1baf2f880181c872797acab009ba0c43b22b26426b79966ca382cca1e"`
Dec 18 03:46:53.508 INFO [stderr]     Checking learndb v0.1.0 (/opt/crater/workdir)
Dec 18 03:46:53.780 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 03:46:53.780 INFO [stderr]  --> src/main.rs:1:1
Dec 18 03:46:53.780 INFO [stderr]   |
Dec 18 03:46:53.780 INFO [stderr] 1 | #[macro_use]
Dec 18 03:46:53.780 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 03:46:53.780 INFO [stderr]   |
Dec 18 03:46:53.780 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 03:46:53.780 INFO [stderr] 
Dec 18 03:46:54.152 INFO [stderr] warning: method is never used: `delete_db`
Dec 18 03:46:54.152 INFO [stderr]   --> src/sqliters/table.rs:21:5
Dec 18 03:46:54.152 INFO [stderr]    |
Dec 18 03:46:54.152 INFO [stderr] 21 |     pub fn delete_db(&mut self) -> Result<(), String> {
Dec 18 03:46:54.152 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:46:54.152 INFO [stderr]    |
Dec 18 03:46:54.152 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 03:46:54.152 INFO [stderr] 
Dec 18 03:46:54.152 INFO [stderr] warning: method is never used: `delete_db_file`
Dec 18 03:46:54.152 INFO [stderr]   --> src/sqliters/pager.rs:80:5
Dec 18 03:46:54.152 INFO [stderr]    |
Dec 18 03:46:54.152 INFO [stderr] 80 |     pub fn delete_db_file(&mut self) -> Result<(), String> {
Dec 18 03:46:54.152 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:46:54.152 INFO [stderr] 
Dec 18 03:46:54.152 INFO [stderr] warning: function is never used: `is_root_node`
Dec 18 03:46:54.152 INFO [stderr]    --> src/sqliters/page.rs:397:1
Dec 18 03:46:54.152 INFO [stderr]     |
Dec 18 03:46:54.152 INFO [stderr] 397 | fn is_root_node(page: &Vec<u8>) -> bool {
Dec 18 03:46:54.152 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:46:54.152 INFO [stderr] 
Dec 18 03:46:54.364 INFO [stderr] warning: function is never used: `is_root_node`
Dec 18 03:46:54.364 INFO [stderr]    --> src/sqliters/page.rs:397:1
Dec 18 03:46:54.364 INFO [stderr]     |
Dec 18 03:46:54.364 INFO [stderr] 397 | fn is_root_node(page: &Vec<u8>) -> bool {
Dec 18 03:46:54.364 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:46:54.364 INFO [stderr]     |
Dec 18 03:46:54.364 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 18 03:46:54.364 INFO [stderr] 
Dec 18 03:46:54.410 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
Dec 18 03:46:55.388 INFO running `"docker" "inspect" "dd764ca1baf2f880181c872797acab009ba0c43b22b26426b79966ca382cca1e"`
Dec 18 03:46:55.726 INFO running `"docker" "rm" "-f" "dd764ca1baf2f880181c872797acab009ba0c43b22b26426b79966ca382cca1e"`
Dec 18 03:46:56.060 INFO [stdout] dd764ca1baf2f880181c872797acab009ba0c43b22b26426b79966ca382cca1e