Dec 19 17:49:06.151 INFO checking dowoncha/blockchain against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955 Dec 19 17:49:06.151 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"` Dec 19 17:49:06.598 INFO [stdout] 0aceceb1ce7f56eb2ad727ef3b9a0929121e52a30c3180a1a6d8d53612538378 Dec 19 17:49:06.602 INFO running `"docker" "start" "-a" "0aceceb1ce7f56eb2ad727ef3b9a0929121e52a30c3180a1a6d8d53612538378"` Dec 19 17:49:08.608 INFO [stderr] Checking rust-crypto v0.2.36 Dec 19 17:49:14.000 INFO [stderr] Checking blockchain v0.1.0 (/opt/crater/workdir) Dec 19 17:49:14.412 INFO [stderr] warning: method is never used: `blocks` Dec 19 17:49:14.412 INFO [stderr] --> src/main.rs:82:5 Dec 19 17:49:14.412 INFO [stderr] | Dec 19 17:49:14.412 INFO [stderr] 82 | pub fn blocks(&self) -> &[Block] { Dec 19 17:49:14.412 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 17:49:14.412 INFO [stderr] | Dec 19 17:49:14.412 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 19 17:49:14.412 INFO [stderr] Dec 19 17:49:14.416 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 19 17:49:14.416 INFO [stderr] --> src/main.rs:131:13 Dec 19 17:49:14.416 INFO [stderr] | Dec 19 17:49:14.416 INFO [stderr] 131 | writeln!(f, "Block {} Hash: {}", index, block.hash()); Dec 19 17:49:14.416 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 17:49:14.416 INFO [stderr] | Dec 19 17:49:14.416 INFO [stderr] = note: #[warn(unused_must_use)] on by default Dec 19 17:49:14.416 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 19 17:49:14.416 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 17:49:14.416 INFO [stderr] Dec 19 17:49:14.520 INFO [stderr] warning: method is never used: `blocks` Dec 19 17:49:14.520 INFO [stderr] --> src/main.rs:82:5 Dec 19 17:49:14.520 INFO [stderr] | Dec 19 17:49:14.520 INFO [stderr] 82 | pub fn blocks(&self) -> &[Block] { Dec 19 17:49:14.520 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 17:49:14.520 INFO [stderr] | Dec 19 17:49:14.520 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 19 17:49:14.520 INFO [stderr] Dec 19 17:49:14.536 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 19 17:49:14.536 INFO [stderr] --> src/main.rs:131:13 Dec 19 17:49:14.536 INFO [stderr] | Dec 19 17:49:14.536 INFO [stderr] 131 | writeln!(f, "Block {} Hash: {}", index, block.hash()); Dec 19 17:49:14.536 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 17:49:14.536 INFO [stderr] | Dec 19 17:49:14.536 INFO [stderr] = note: #[warn(unused_must_use)] on by default Dec 19 17:49:14.536 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 19 17:49:14.536 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 17:49:14.536 INFO [stderr] Dec 19 17:49:14.578 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.07s Dec 19 17:49:15.395 INFO running `"docker" "inspect" "0aceceb1ce7f56eb2ad727ef3b9a0929121e52a30c3180a1a6d8d53612538378"` Dec 19 17:49:15.711 INFO running `"docker" "rm" "-f" "0aceceb1ce7f56eb2ad727ef3b9a0929121e52a30c3180a1a6d8d53612538378"` Dec 19 17:49:16.132 INFO [stdout] 0aceceb1ce7f56eb2ad727ef3b9a0929121e52a30c3180a1a6d8d53612538378