Dec 19 17:49:04.166 INFO checking dowoncha/blockchain against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 17:49:04.166 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/dowoncha/blockchain:/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 17:49:04.754 INFO [stdout] e50ae2ebab6f22005d4c3a6d9dd23a0f11e7f8fb32aeaf34e18430f2ca462d01
Dec 19 17:49:04.756 INFO running `"docker" "start" "-a" "e50ae2ebab6f22005d4c3a6d9dd23a0f11e7f8fb32aeaf34e18430f2ca462d01"`
Dec 19 17:49:06.533 INFO [stderr]     Checking rust-crypto v0.2.36
Dec 19 17:49:11.816 INFO [stderr]     Checking blockchain v0.1.0 (/opt/crater/workdir)
Dec 19 17:49:12.384 INFO [stderr] warning: method is never used: `blocks`
Dec 19 17:49:12.385 INFO [stderr]   --> src/main.rs:82:5
Dec 19 17:49:12.385 INFO [stderr]    |
Dec 19 17:49:12.385 INFO [stderr] 82 |     pub fn blocks(&self) -> &[Block] {
Dec 19 17:49:12.386 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:49:12.386 INFO [stderr]    |
Dec 19 17:49:12.386 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 17:49:12.386 INFO [stderr] 
Dec 19 17:49:12.400 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 17:49:12.401 INFO [stderr]    --> src/main.rs:131:13
Dec 19 17:49:12.401 INFO [stderr]     |
Dec 19 17:49:12.401 INFO [stderr] 131 |             writeln!(f, "Block {} Hash: {}", index, block.hash());
Dec 19 17:49:12.401 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:49:12.402 INFO [stderr]     |
Dec 19 17:49:12.402 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 17:49:12.403 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 17:49:12.403 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 17:49:12.403 INFO [stderr] 
Dec 19 17:49:12.481 INFO [stderr] warning: method is never used: `blocks`
Dec 19 17:49:12.481 INFO [stderr]   --> src/main.rs:82:5
Dec 19 17:49:12.481 INFO [stderr]    |
Dec 19 17:49:12.482 INFO [stderr] 82 |     pub fn blocks(&self) -> &[Block] {
Dec 19 17:49:12.482 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:49:12.482 INFO [stderr]    |
Dec 19 17:49:12.483 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 17:49:12.483 INFO [stderr] 
Dec 19 17:49:12.503 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 17:49:12.503 INFO [stderr]    --> src/main.rs:131:13
Dec 19 17:49:12.503 INFO [stderr]     |
Dec 19 17:49:12.503 INFO [stderr] 131 |             writeln!(f, "Block {} Hash: {}", index, block.hash());
Dec 19 17:49:12.504 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:49:12.504 INFO [stderr]     |
Dec 19 17:49:12.504 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 17:49:12.504 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 17:49:12.505 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 17:49:12.505 INFO [stderr] 
Dec 19 17:49:12.541 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.07s
Dec 19 17:49:13.671 INFO running `"docker" "inspect" "e50ae2ebab6f22005d4c3a6d9dd23a0f11e7f8fb32aeaf34e18430f2ca462d01"`
Dec 19 17:49:14.088 INFO running `"docker" "rm" "-f" "e50ae2ebab6f22005d4c3a6d9dd23a0f11e7f8fb32aeaf34e18430f2ca462d01"`
Dec 19 17:49:14.396 INFO [stdout] e50ae2ebab6f22005d4c3a6d9dd23a0f11e7f8fb32aeaf34e18430f2ca462d01