Dec 04 19:39:33.085 INFO checking dowoncha/blockchain against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 19:39:33.085 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-2/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 04 19:39:33.477 INFO [stdout] 66843d79d2e210ec21ae2046d1349d4bcb75937ddfc3f3002b819a75789765f2
Dec 04 19:39:33.485 INFO running `"docker" "start" "-a" "66843d79d2e210ec21ae2046d1349d4bcb75937ddfc3f3002b819a75789765f2"`
Dec 04 19:39:34.719 INFO [stderr] usermod: no changes
Dec 04 19:39:34.803 INFO [stderr]     Checking rust-crypto v0.2.36
Dec 04 19:39:40.519 INFO [stderr]     Checking blockchain v0.1.0 (/source)
Dec 04 19:39:41.179 INFO [stderr] warning: method is never used: `blocks`
Dec 04 19:39:41.179 INFO [stderr]   --> src/main.rs:82:5
Dec 04 19:39:41.179 INFO [stderr]    |
Dec 04 19:39:41.179 INFO [stderr] 82 |     pub fn blocks(&self) -> &[Block] {
Dec 04 19:39:41.179 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 19:39:41.179 INFO [stderr]    |
Dec 04 19:39:41.179 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 19:39:41.179 INFO [stderr] 
Dec 04 19:39:41.179 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 19:39:41.179 INFO [stderr]    --> src/main.rs:131:13
Dec 04 19:39:41.179 INFO [stderr]     |
Dec 04 19:39:41.179 INFO [stderr] 131 |             writeln!(f, "Block {} Hash: {}", index, block.hash());
Dec 04 19:39:41.179 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 19:39:41.179 INFO [stderr]     |
Dec 04 19:39:41.179 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 04 19:39:41.179 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 19:39:41.179 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 04 19:39:41.179 INFO [stderr] 
Dec 04 19:39:41.378 INFO [stderr] warning: method is never used: `blocks`
Dec 04 19:39:41.378 INFO [stderr]   --> src/main.rs:82:5
Dec 04 19:39:41.378 INFO [stderr]    |
Dec 04 19:39:41.378 INFO [stderr] 82 |     pub fn blocks(&self) -> &[Block] {
Dec 04 19:39:41.378 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 19:39:41.378 INFO [stderr]    |
Dec 04 19:39:41.378 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 19:39:41.378 INFO [stderr] 
Dec 04 19:39:41.387 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 19:39:41.387 INFO [stderr]    --> src/main.rs:131:13
Dec 04 19:39:41.387 INFO [stderr]     |
Dec 04 19:39:41.387 INFO [stderr] 131 |             writeln!(f, "Block {} Hash: {}", index, block.hash());
Dec 04 19:39:41.387 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 19:39:41.387 INFO [stderr]     |
Dec 04 19:39:41.387 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 04 19:39:41.387 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 19:39:41.387 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 04 19:39:41.387 INFO [stderr] 
Dec 04 19:39:41.420 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.67s
Dec 04 19:39:41.425 INFO [stderr] su: No module specific data is present
Dec 04 19:39:42.087 INFO running `"docker" "inspect" "66843d79d2e210ec21ae2046d1349d4bcb75937ddfc3f3002b819a75789765f2"`
Dec 04 19:39:42.255 INFO running `"docker" "rm" "-f" "66843d79d2e210ec21ae2046d1349d4bcb75937ddfc3f3002b819a75789765f2"`
Dec 04 19:39:42.522 INFO [stdout] 66843d79d2e210ec21ae2046d1349d4bcb75937ddfc3f3002b819a75789765f2