Dec 18 01:10:49.929 INFO checking dowoncha/blockchain against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 01:10:49.929 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 01:10:50.378 INFO [stdout] 7a480ce67800304b6c6fbeab1924a13d3ed6607ba9fddf200f1cf40a78b5f891
Dec 18 01:10:50.380 INFO running `"docker" "start" "-a" "7a480ce67800304b6c6fbeab1924a13d3ed6607ba9fddf200f1cf40a78b5f891"`
Dec 18 01:10:52.327 INFO [stderr]     Checking blockchain v0.1.0 (/opt/crater/workdir)
Dec 18 01:10:52.786 INFO [stderr] warning: method is never used: `blocks`
Dec 18 01:10:52.786 INFO [stderr]   --> src/main.rs:82:5
Dec 18 01:10:52.787 INFO [stderr]    |
Dec 18 01:10:52.787 INFO [stderr] 82 |     pub fn blocks(&self) -> &[Block] {
Dec 18 01:10:52.787 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:10:52.787 INFO [stderr]    |
Dec 18 01:10:52.788 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 01:10:52.788 INFO [stderr] 
Dec 18 01:10:52.798 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 01:10:52.798 INFO [stderr]    --> src/main.rs:131:13
Dec 18 01:10:52.798 INFO [stderr]     |
Dec 18 01:10:52.799 INFO [stderr] 131 |             writeln!(f, "Block {} Hash: {}", index, block.hash());
Dec 18 01:10:52.799 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:10:52.799 INFO [stderr]     |
Dec 18 01:10:52.800 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 01:10:52.800 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 01:10:52.800 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 18 01:10:52.800 INFO [stderr] 
Dec 18 01:10:52.816 INFO [stderr] warning: method is never used: `blocks`
Dec 18 01:10:52.817 INFO [stderr]   --> src/main.rs:82:5
Dec 18 01:10:52.817 INFO [stderr]    |
Dec 18 01:10:52.817 INFO [stderr] 82 |     pub fn blocks(&self) -> &[Block] {
Dec 18 01:10:52.818 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:10:52.818 INFO [stderr]    |
Dec 18 01:10:52.818 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 01:10:52.818 INFO [stderr] 
Dec 18 01:10:52.820 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 01:10:52.820 INFO [stderr]    --> src/main.rs:131:13
Dec 18 01:10:52.820 INFO [stderr]     |
Dec 18 01:10:52.820 INFO [stderr] 131 |             writeln!(f, "Block {} Hash: {}", index, block.hash());
Dec 18 01:10:52.820 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:10:52.820 INFO [stderr]     |
Dec 18 01:10:52.820 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 01:10:52.820 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 01:10:52.820 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 18 01:10:52.820 INFO [stderr] 
Dec 18 01:10:52.894 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
Dec 18 01:10:54.453 INFO running `"docker" "inspect" "7a480ce67800304b6c6fbeab1924a13d3ed6607ba9fddf200f1cf40a78b5f891"`
Dec 18 01:10:54.806 INFO running `"docker" "rm" "-f" "7a480ce67800304b6c6fbeab1924a13d3ed6607ba9fddf200f1cf40a78b5f891"`
Dec 18 01:10:55.176 INFO [stdout] 7a480ce67800304b6c6fbeab1924a13d3ed6607ba9fddf200f1cf40a78b5f891