Dec 19 15:08:11.780 INFO checking jk-gan/blockchain-rust against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 15:08:11.780 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/jk-gan/blockchain-rust:/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 15:08:12.316 INFO [stdout] 1dbbdae9116b9117f466df09bda0026d679a198eefdbe3b9f963f8f4db0e46fd
Dec 19 15:08:12.322 INFO running `"docker" "start" "-a" "1dbbdae9116b9117f466df09bda0026d679a198eefdbe3b9f963f8f4db0e46fd"`
Dec 19 15:08:13.688 INFO [stderr]     Checking chrono v0.4.6
Dec 19 15:08:15.760 INFO [stderr]     Checking blockchain v0.1.0 (/opt/crater/workdir)
Dec 19 15:08:16.396 INFO [stderr] warning: constant item is never used: `TARGER_BIT`
Dec 19 15:08:16.396 INFO [stderr]  --> src/proof_of_work.rs:5:1
Dec 19 15:08:16.396 INFO [stderr]   |
Dec 19 15:08:16.396 INFO [stderr] 5 | const TARGER_BIT: usize = 24;
Dec 19 15:08:16.396 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:08:16.396 INFO [stderr]   |
Dec 19 15:08:16.396 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 15:08:16.396 INFO [stderr] 
Dec 19 15:08:16.396 INFO [stderr] warning: struct is never constructed: `ProofOfWork`
Dec 19 15:08:16.396 INFO [stderr]  --> src/proof_of_work.rs:7:1
Dec 19 15:08:16.396 INFO [stderr]   |
Dec 19 15:08:16.396 INFO [stderr] 7 | struct ProofOfWork {
Dec 19 15:08:16.396 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 19 15:08:16.396 INFO [stderr] 
Dec 19 15:08:16.396 INFO [stderr] warning: method is never used: `new`
Dec 19 15:08:16.396 INFO [stderr]   --> src/proof_of_work.rs:13:5
Dec 19 15:08:16.396 INFO [stderr]    |
Dec 19 15:08:16.396 INFO [stderr] 13 |     fn new(block: Block) -> Self {
Dec 19 15:08:16.396 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:08:16.396 INFO [stderr] 
Dec 19 15:08:16.488 INFO [stderr] warning: constant item is never used: `TARGER_BIT`
Dec 19 15:08:16.488 INFO [stderr]  --> src/proof_of_work.rs:5:1
Dec 19 15:08:16.488 INFO [stderr]   |
Dec 19 15:08:16.488 INFO [stderr] 5 | const TARGER_BIT: usize = 24;
Dec 19 15:08:16.488 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:08:16.488 INFO [stderr]   |
Dec 19 15:08:16.488 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 15:08:16.488 INFO [stderr] 
Dec 19 15:08:16.488 INFO [stderr] warning: struct is never constructed: `ProofOfWork`
Dec 19 15:08:16.488 INFO [stderr]  --> src/proof_of_work.rs:7:1
Dec 19 15:08:16.488 INFO [stderr]   |
Dec 19 15:08:16.488 INFO [stderr] 7 | struct ProofOfWork {
Dec 19 15:08:16.488 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 19 15:08:16.488 INFO [stderr] 
Dec 19 15:08:16.488 INFO [stderr] warning: method is never used: `new`
Dec 19 15:08:16.488 INFO [stderr]   --> src/proof_of_work.rs:13:5
Dec 19 15:08:16.488 INFO [stderr]    |
Dec 19 15:08:16.488 INFO [stderr] 13 |     fn new(block: Block) -> Self {
Dec 19 15:08:16.488 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:08:16.488 INFO [stderr] 
Dec 19 15:08:16.511 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.95s
Dec 19 15:08:17.829 INFO running `"docker" "inspect" "1dbbdae9116b9117f466df09bda0026d679a198eefdbe3b9f963f8f4db0e46fd"`
Dec 19 15:08:18.096 INFO running `"docker" "rm" "-f" "1dbbdae9116b9117f466df09bda0026d679a198eefdbe3b9f963f8f4db0e46fd"`
Dec 19 15:08:18.416 INFO [stdout] 1dbbdae9116b9117f466df09bda0026d679a198eefdbe3b9f963f8f4db0e46fd