Nov 30 03:57:56.441 INFO checking dowoncha/blockchain against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 03:57:56.441 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-2/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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"`
Nov 30 03:57:56.810 INFO [stdout] ff74d43698b4e98667470441a32aa642cc1eac4652ed3c7bba12951a4d484633
Nov 30 03:57:56.812 INFO running `"docker" "start" "-a" "ff74d43698b4e98667470441a32aa642cc1eac4652ed3c7bba12951a4d484633"`
Nov 30 03:57:57.306 INFO [stderr] usermod: no changes
Nov 30 03:57:57.399 INFO [stderr]     Checking blockchain v0.1.0 (/source)
Nov 30 03:57:58.280 INFO [stderr] warning: method is never used: `blocks`
Nov 30 03:57:58.280 INFO [stderr]   --> src/main.rs:82:5
Nov 30 03:57:58.280 INFO [stderr]    |
Nov 30 03:57:58.280 INFO [stderr] 82 |     pub fn blocks(&self) -> &[Block] {
Nov 30 03:57:58.280 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 03:57:58.280 INFO [stderr]    |
Nov 30 03:57:58.280 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 30 03:57:58.280 INFO [stderr] 
Nov 30 03:57:58.288 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 03:57:58.288 INFO [stderr]    --> src/main.rs:131:13
Nov 30 03:57:58.288 INFO [stderr]     |
Nov 30 03:57:58.288 INFO [stderr] 131 |             writeln!(f, "Block {} Hash: {}", index, block.hash());
Nov 30 03:57:58.288 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 03:57:58.288 INFO [stderr]     |
Nov 30 03:57:58.288 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 30 03:57:58.288 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 03:57:58.288 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)
Nov 30 03:57:58.288 INFO [stderr] 
Nov 30 03:57:58.343 INFO [stderr] warning: method is never used: `blocks`
Nov 30 03:57:58.343 INFO [stderr]   --> src/main.rs:82:5
Nov 30 03:57:58.343 INFO [stderr]    |
Nov 30 03:57:58.343 INFO [stderr] 82 |     pub fn blocks(&self) -> &[Block] {
Nov 30 03:57:58.343 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 03:57:58.343 INFO [stderr]    |
Nov 30 03:57:58.343 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 30 03:57:58.343 INFO [stderr] 
Nov 30 03:57:58.360 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 03:57:58.360 INFO [stderr]    --> src/main.rs:131:13
Nov 30 03:57:58.360 INFO [stderr]     |
Nov 30 03:57:58.360 INFO [stderr] 131 |             writeln!(f, "Block {} Hash: {}", index, block.hash());
Nov 30 03:57:58.360 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 03:57:58.360 INFO [stderr]     |
Nov 30 03:57:58.361 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 30 03:57:58.361 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 03:57:58.361 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)
Nov 30 03:57:58.361 INFO [stderr] 
Nov 30 03:57:58.383 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
Nov 30 03:57:58.384 INFO [stderr] su: No module specific data is present
Nov 30 03:57:59.072 INFO running `"docker" "inspect" "ff74d43698b4e98667470441a32aa642cc1eac4652ed3c7bba12951a4d484633"`
Nov 30 03:57:59.344 INFO running `"docker" "rm" "-f" "ff74d43698b4e98667470441a32aa642cc1eac4652ed3c7bba12951a4d484633"`
Nov 30 03:57:59.679 INFO [stdout] ff74d43698b4e98667470441a32aa642cc1eac4652ed3c7bba12951a4d484633