[INFO] updating cached repository ashishnegi/learndb
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ashishnegi/learndb
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ashishnegi/learndb" "work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/ashishnegi/learndb"`
[INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/ashishnegi/learndb'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ashishnegi/learndb" "work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/ashishnegi/learndb"`
[INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/ashishnegi/learndb'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 59642e60bca7e59446f936c1836f98a1805d108f
[INFO] sha for GitHub repo ashishnegi/learndb: 59642e60bca7e59446f936c1836f98a1805d108f
[INFO] validating manifest of ashishnegi/learndb on toolchain master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ashishnegi/learndb on toolchain try#bad365140e1e8233b42b21af70a407f14ce5fec5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ashishnegi/learndb
[INFO] finished frobbing ashishnegi/learndb
[INFO] frobbed toml for ashishnegi/learndb written to work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/ashishnegi/learndb/Cargo.toml
[INFO] started frobbing ashishnegi/learndb
[INFO] finished frobbing ashishnegi/learndb
[INFO] frobbed toml for ashishnegi/learndb written to work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/ashishnegi/learndb/Cargo.toml
[INFO] crate ashishnegi/learndb has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ashishnegi/learndb against master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980 for pr-56896
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56896/worker-2/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/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" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 127f432451d7f26088b2ba85e294ee05ee867f4226ba5f1d63a6c5c57d704ad0
[INFO] running `"docker" "start" "-a" "127f432451d7f26088b2ba85e294ee05ee867f4226ba5f1d63a6c5c57d704ad0"`
[INFO] [stderr]     Checking learndb v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_root_node`
[INFO] [stderr]    --> src/sqliters/page.rs:397:1
[INFO] [stderr]     |
[INFO] [stderr] 397 | fn is_root_node(page: &Vec<u8>) -> bool {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `delete_db`
[INFO] [stderr]   --> src/sqliters/table.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn delete_db(&mut self) -> Result<(), String> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `delete_db_file`
[INFO] [stderr]   --> src/sqliters/pager.rs:80:5
[INFO] [stderr]    |
[INFO] [stderr] 80 |     pub fn delete_db_file(&mut self) -> Result<(), String> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_root_node`
[INFO] [stderr]    --> src/sqliters/page.rs:397:1
[INFO] [stderr]     |
[INFO] [stderr] 397 | fn is_root_node(page: &Vec<u8>) -> bool {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `"docker" "inspect" "127f432451d7f26088b2ba85e294ee05ee867f4226ba5f1d63a6c5c57d704ad0"`
[INFO] running `"docker" "rm" "-f" "127f432451d7f26088b2ba85e294ee05ee867f4226ba5f1d63a6c5c57d704ad0"`
[INFO] [stdout] 127f432451d7f26088b2ba85e294ee05ee867f4226ba5f1d63a6c5c57d704ad0