Dec 18 07:10:43.197 INFO checking IvanovPvl/rubl against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 07:10:43.197 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/IvanovPvl/rubl:/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 07:10:43.824 INFO [stdout] c80ba84fc8a3340e7a8b8bbe1ca6e2f0c4ebfe09c98236e02b4668a860f134eb
Dec 18 07:10:43.826 INFO running `"docker" "start" "-a" "c80ba84fc8a3340e7a8b8bbe1ca6e2f0c4ebfe09c98236e02b4668a860f134eb"`
Dec 18 07:10:45.936 INFO [stderr]     Checking rubl v0.1.0 (/opt/crater/workdir)
Dec 18 07:10:46.605 INFO [stderr] warning: unused import: `blockchain::Blockchain`
Dec 18 07:10:46.605 INFO [stderr]  --> src/main.rs:8:5
Dec 18 07:10:46.605 INFO [stderr]   |
Dec 18 07:10:46.605 INFO [stderr] 8 | use blockchain::Blockchain;
Dec 18 07:10:46.605 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:10:46.605 INFO [stderr]   |
Dec 18 07:10:46.605 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 07:10:46.605 INFO [stderr] 
Dec 18 07:10:46.642 INFO [stderr] warning: unused import: `blockchain::Blockchain`
Dec 18 07:10:46.642 INFO [stderr]  --> src/main.rs:8:5
Dec 18 07:10:46.642 INFO [stderr]   |
Dec 18 07:10:46.642 INFO [stderr] 8 | use blockchain::Blockchain;
Dec 18 07:10:46.642 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:10:46.642 INFO [stderr]   |
Dec 18 07:10:46.642 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 07:10:46.642 INFO [stderr] 
Dec 18 07:10:46.737 INFO [stderr] warning: struct is never constructed: `Blockchain`
Dec 18 07:10:46.737 INFO [stderr]  --> src/blockchain.rs:3:1
Dec 18 07:10:46.737 INFO [stderr]   |
Dec 18 07:10:46.737 INFO [stderr] 3 | pub struct Blockchain {
Dec 18 07:10:46.737 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:10:46.737 INFO [stderr]   |
Dec 18 07:10:46.737 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 18 07:10:46.737 INFO [stderr] 
Dec 18 07:10:46.737 INFO [stderr] warning: method is never used: `new`
Dec 18 07:10:46.737 INFO [stderr]  --> src/blockchain.rs:8:5
Dec 18 07:10:46.737 INFO [stderr]   |
Dec 18 07:10:46.737 INFO [stderr] 8 |     pub fn new() -> Blockchain {
Dec 18 07:10:46.737 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:10:46.737 INFO [stderr] 
Dec 18 07:10:46.737 INFO [stderr] warning: method is never used: `add_block`
Dec 18 07:10:46.737 INFO [stderr]   --> src/blockchain.rs:14:5
Dec 18 07:10:46.737 INFO [stderr]    |
Dec 18 07:10:46.737 INFO [stderr] 14 |     pub fn add_block(&mut self, data: Vec<u8>) {
Dec 18 07:10:46.737 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:10:46.737 INFO [stderr] 
Dec 18 07:10:46.764 INFO [stderr] warning: struct is never constructed: `Blockchain`
Dec 18 07:10:46.764 INFO [stderr]  --> src/blockchain.rs:3:1
Dec 18 07:10:46.766 INFO [stderr]   |
Dec 18 07:10:46.766 INFO [stderr] 3 | pub struct Blockchain {
Dec 18 07:10:46.766 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:10:46.766 INFO [stderr]   |
Dec 18 07:10:46.766 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 18 07:10:46.766 INFO [stderr] 
Dec 18 07:10:46.772 INFO [stderr] warning: method is never used: `new`
Dec 18 07:10:46.772 INFO [stderr]  --> src/blockchain.rs:8:5
Dec 18 07:10:46.772 INFO [stderr]   |
Dec 18 07:10:46.772 INFO [stderr] 8 |     pub fn new() -> Blockchain {
Dec 18 07:10:46.772 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:10:46.772 INFO [stderr] 
Dec 18 07:10:46.772 INFO [stderr] warning: method is never used: `add_block`
Dec 18 07:10:46.772 INFO [stderr]   --> src/blockchain.rs:14:5
Dec 18 07:10:46.772 INFO [stderr]    |
Dec 18 07:10:46.772 INFO [stderr] 14 |     pub fn add_block(&mut self, data: Vec<u8>) {
Dec 18 07:10:46.772 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:10:46.772 INFO [stderr] 
Dec 18 07:10:46.841 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
Dec 18 07:10:47.980 INFO running `"docker" "inspect" "c80ba84fc8a3340e7a8b8bbe1ca6e2f0c4ebfe09c98236e02b4668a860f134eb"`
Dec 18 07:10:48.242 INFO running `"docker" "rm" "-f" "c80ba84fc8a3340e7a8b8bbe1ca6e2f0c4ebfe09c98236e02b4668a860f134eb"`
Dec 18 07:10:48.596 INFO [stdout] c80ba84fc8a3340e7a8b8bbe1ca6e2f0c4ebfe09c98236e02b4668a860f134eb