Dec 04 15:15:55.280 INFO checking lempiy/blockchain against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481 Dec 04 15:15:55.280 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 15:15:55.891 INFO [stdout] 72ad63021fcba4761d2249bcd27e4ae0f6f679349d3694ae6a1c7fb9083f2b6b Dec 04 15:15:55.899 INFO running `"docker" "start" "-a" "72ad63021fcba4761d2249bcd27e4ae0f6f679349d3694ae6a1c7fb9083f2b6b"` Dec 04 15:15:57.927 INFO [stderr] usermod: no changes Dec 04 15:15:58.091 INFO [stderr] Checking blockchain v0.1.0 (/source) Dec 04 15:15:59.361 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 15:15:59.361 INFO [stderr] --> src/main.rs:16:5 Dec 04 15:15:59.361 INFO [stderr] | Dec 04 15:15:59.361 INFO [stderr] 16 | io::stdout().flush(); Dec 04 15:15:59.361 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 04 15:15:59.361 INFO [stderr] | Dec 04 15:15:59.371 INFO [stderr] = note: #[warn(unused_must_use)] on by default Dec 04 15:15:59.371 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 15:15:59.371 INFO [stderr] Dec 04 15:15:59.371 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 15:15:59.371 INFO [stderr] --> src/main.rs:17:5 Dec 04 15:15:59.371 INFO [stderr] | Dec 04 15:15:59.371 INFO [stderr] 17 | io::stdin().read_line(&mut miner_addr); Dec 04 15:15:59.371 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 04 15:15:59.371 INFO [stderr] | Dec 04 15:15:59.371 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 15:15:59.371 INFO [stderr] Dec 04 15:15:59.372 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 15:15:59.372 INFO [stderr] --> src/main.rs:20:5 Dec 04 15:15:59.372 INFO [stderr] | Dec 04 15:15:59.372 INFO [stderr] 20 | io::stdout().flush(); Dec 04 15:15:59.372 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 04 15:15:59.372 INFO [stderr] | Dec 04 15:15:59.372 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 15:15:59.372 INFO [stderr] Dec 04 15:15:59.372 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 15:15:59.372 INFO [stderr] --> src/main.rs:21:5 Dec 04 15:15:59.372 INFO [stderr] | Dec 04 15:15:59.373 INFO [stderr] 21 | io::stdin().read_line(&mut difficulty); Dec 04 15:15:59.373 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 04 15:15:59.373 INFO [stderr] | Dec 04 15:15:59.373 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 15:15:59.373 INFO [stderr] Dec 04 15:15:59.373 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 15:15:59.373 INFO [stderr] --> src/main.rs:36:9 Dec 04 15:15:59.373 INFO [stderr] | Dec 04 15:15:59.373 INFO [stderr] 36 | io::stdout().flush(); Dec 04 15:15:59.374 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 04 15:15:59.374 INFO [stderr] | Dec 04 15:15:59.374 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 15:15:59.374 INFO [stderr] Dec 04 15:15:59.374 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 15:15:59.374 INFO [stderr] --> src/main.rs:38:9 Dec 04 15:15:59.374 INFO [stderr] | Dec 04 15:15:59.374 INFO [stderr] 38 | io::stdin().read_line(&mut choice); Dec 04 15:15:59.374 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 04 15:15:59.374 INFO [stderr] | Dec 04 15:15:59.374 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 15:15:59.374 INFO [stderr] Dec 04 15:15:59.374 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 15:15:59.374 INFO [stderr] --> src/main.rs:54:17 Dec 04 15:15:59.374 INFO [stderr] | Dec 04 15:15:59.374 INFO [stderr] 54 | io::stdout().flush(); Dec 04 15:15:59.374 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 04 15:15:59.374 INFO [stderr] | Dec 04 15:15:59.374 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 15:15:59.374 INFO [stderr] Dec 04 15:15:59.375 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 15:15:59.375 INFO [stderr] --> src/main.rs:55:17 Dec 04 15:15:59.375 INFO [stderr] | Dec 04 15:15:59.375 INFO [stderr] 55 | io::stdin().read_line(&mut sender); Dec 04 15:15:59.375 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 04 15:15:59.375 INFO [stderr] | Dec 04 15:15:59.375 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 15:15:59.375 INFO [stderr] Dec 04 15:15:59.375 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 15:15:59.375 INFO [stderr] --> src/main.rs:58:17 Dec 04 15:15:59.375 INFO [stderr] | Dec 04 15:15:59.375 INFO [stderr] 58 | io::stdout().flush(); Dec 04 15:15:59.375 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 04 15:15:59.375 INFO [stderr] | Dec 04 15:15:59.375 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 15:15:59.375 INFO [stderr] Dec 04 15:15:59.375 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 15:15:59.375 INFO [stderr] --> src/main.rs:59:17 Dec 04 15:15:59.375 INFO [stderr] | Dec 04 15:15:59.375 INFO [stderr] 59 | io::stdin().read_line(&mut reciever); Dec 04 15:15:59.375 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 04 15:15:59.375 INFO [stderr] | Dec 04 15:15:59.375 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 15:15:59.375 INFO [stderr] Dec 04 15:15:59.375 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 15:15:59.375 INFO [stderr] --> src/main.rs:62:17 Dec 04 15:15:59.375 INFO [stderr] | Dec 04 15:15:59.375 INFO [stderr] 62 | io::stdout().flush(); Dec 04 15:15:59.375 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 04 15:15:59.375 INFO [stderr] | Dec 04 15:15:59.375 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 15:15:59.375 INFO [stderr] Dec 04 15:15:59.375 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 15:15:59.375 INFO [stderr] --> src/main.rs:63:17 Dec 04 15:15:59.375 INFO [stderr] | Dec 04 15:15:59.375 INFO [stderr] 63 | io::stdin().read_line(&mut amount); Dec 04 15:15:59.375 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 04 15:15:59.375 INFO [stderr] | Dec 04 15:15:59.375 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 15:15:59.375 INFO [stderr] Dec 04 15:15:59.375 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 15:15:59.375 INFO [stderr] --> src/main.rs:85:17 Dec 04 15:15:59.375 INFO [stderr] | Dec 04 15:15:59.375 INFO [stderr] 85 | io::stdout().flush(); Dec 04 15:15:59.376 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 04 15:15:59.376 INFO [stderr] | Dec 04 15:15:59.376 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 15:15:59.376 INFO [stderr] Dec 04 15:15:59.376 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 15:15:59.376 INFO [stderr] --> src/main.rs:86:17 Dec 04 15:15:59.376 INFO [stderr] | Dec 04 15:15:59.376 INFO [stderr] 86 | io::stdin().read_line(&mut new_diff); Dec 04 15:15:59.376 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 04 15:15:59.376 INFO [stderr] | Dec 04 15:15:59.376 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 15:15:59.376 INFO [stderr] Dec 04 15:15:59.376 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 15:15:59.376 INFO [stderr] --> src/main.rs:96:17 Dec 04 15:15:59.376 INFO [stderr] | Dec 04 15:15:59.376 INFO [stderr] 96 | io::stdout().flush(); Dec 04 15:15:59.376 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 04 15:15:59.376 INFO [stderr] | Dec 04 15:15:59.376 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 15:15:59.376 INFO [stderr] Dec 04 15:15:59.376 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 15:15:59.376 INFO [stderr] --> src/main.rs:97:17 Dec 04 15:15:59.376 INFO [stderr] | Dec 04 15:15:59.376 INFO [stderr] 97 | io::stdin().read_line(&mut new_reward); Dec 04 15:15:59.376 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 04 15:15:59.376 INFO [stderr] | Dec 04 15:15:59.376 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 15:15:59.376 INFO [stderr] Dec 04 15:15:59.522 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 15:15:59.522 INFO [stderr] --> src/main.rs:16:5 Dec 04 15:15:59.522 INFO [stderr] | Dec 04 15:15:59.522 INFO [stderr] 16 | io::stdout().flush(); Dec 04 15:15:59.522 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 04 15:15:59.522 INFO [stderr] | Dec 04 15:15:59.522 INFO [stderr] = note: #[warn(unused_must_use)] on by default Dec 04 15:15:59.522 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 15:15:59.522 INFO [stderr] Dec 04 15:15:59.522 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 15:15:59.522 INFO [stderr] --> src/main.rs:17:5 Dec 04 15:15:59.522 INFO [stderr] | Dec 04 15:15:59.522 INFO [stderr] 17 | io::stdin().read_line(&mut miner_addr); Dec 04 15:15:59.522 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 04 15:15:59.522 INFO [stderr] | Dec 04 15:15:59.522 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 15:15:59.522 INFO [stderr] Dec 04 15:15:59.522 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 15:15:59.522 INFO [stderr] --> src/main.rs:20:5 Dec 04 15:15:59.522 INFO [stderr] | Dec 04 15:15:59.522 INFO [stderr] 20 | io::stdout().flush(); Dec 04 15:15:59.522 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 04 15:15:59.522 INFO [stderr] | Dec 04 15:15:59.523 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 15:15:59.523 INFO [stderr] Dec 04 15:15:59.523 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 15:15:59.523 INFO [stderr] --> src/main.rs:21:5 Dec 04 15:15:59.523 INFO [stderr] | Dec 04 15:15:59.523 INFO [stderr] 21 | io::stdin().read_line(&mut difficulty); Dec 04 15:15:59.523 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 04 15:15:59.523 INFO [stderr] | Dec 04 15:15:59.523 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 15:15:59.523 INFO [stderr] Dec 04 15:15:59.523 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 15:15:59.523 INFO [stderr] --> src/main.rs:36:9 Dec 04 15:15:59.523 INFO [stderr] | Dec 04 15:15:59.523 INFO [stderr] 36 | io::stdout().flush(); Dec 04 15:15:59.523 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 04 15:15:59.523 INFO [stderr] | Dec 04 15:15:59.523 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 15:15:59.523 INFO [stderr] Dec 04 15:15:59.523 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 15:15:59.523 INFO [stderr] --> src/main.rs:38:9 Dec 04 15:15:59.523 INFO [stderr] | Dec 04 15:15:59.523 INFO [stderr] 38 | io::stdin().read_line(&mut choice); Dec 04 15:15:59.523 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 04 15:15:59.523 INFO [stderr] | Dec 04 15:15:59.523 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 15:15:59.523 INFO [stderr] Dec 04 15:15:59.523 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 15:15:59.523 INFO [stderr] --> src/main.rs:54:17 Dec 04 15:15:59.523 INFO [stderr] | Dec 04 15:15:59.523 INFO [stderr] 54 | io::stdout().flush(); Dec 04 15:15:59.523 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 04 15:15:59.523 INFO [stderr] | Dec 04 15:15:59.523 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 15:15:59.523 INFO [stderr] Dec 04 15:15:59.523 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 15:15:59.523 INFO [stderr] --> src/main.rs:55:17 Dec 04 15:15:59.523 INFO [stderr] | Dec 04 15:15:59.523 INFO [stderr] 55 | io::stdin().read_line(&mut sender); Dec 04 15:15:59.523 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 04 15:15:59.523 INFO [stderr] | Dec 04 15:15:59.523 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 15:15:59.523 INFO [stderr] Dec 04 15:15:59.523 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 15:15:59.523 INFO [stderr] --> src/main.rs:58:17 Dec 04 15:15:59.523 INFO [stderr] | Dec 04 15:15:59.523 INFO [stderr] 58 | io::stdout().flush(); Dec 04 15:15:59.523 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 04 15:15:59.523 INFO [stderr] | Dec 04 15:15:59.523 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 15:15:59.523 INFO [stderr] Dec 04 15:15:59.523 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 15:15:59.523 INFO [stderr] --> src/main.rs:59:17 Dec 04 15:15:59.523 INFO [stderr] | Dec 04 15:15:59.523 INFO [stderr] 59 | io::stdin().read_line(&mut reciever); Dec 04 15:15:59.523 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 04 15:15:59.524 INFO [stderr] | Dec 04 15:15:59.524 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 15:15:59.524 INFO [stderr] Dec 04 15:15:59.524 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 15:15:59.524 INFO [stderr] --> src/main.rs:62:17 Dec 04 15:15:59.524 INFO [stderr] | Dec 04 15:15:59.524 INFO [stderr] 62 | io::stdout().flush(); Dec 04 15:15:59.524 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 04 15:15:59.524 INFO [stderr] | Dec 04 15:15:59.524 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 15:15:59.524 INFO [stderr] Dec 04 15:15:59.524 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 15:15:59.524 INFO [stderr] --> src/main.rs:63:17 Dec 04 15:15:59.524 INFO [stderr] | Dec 04 15:15:59.524 INFO [stderr] 63 | io::stdin().read_line(&mut amount); Dec 04 15:15:59.524 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 04 15:15:59.524 INFO [stderr] | Dec 04 15:15:59.524 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 15:15:59.524 INFO [stderr] Dec 04 15:15:59.524 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 15:15:59.524 INFO [stderr] --> src/main.rs:85:17 Dec 04 15:15:59.524 INFO [stderr] | Dec 04 15:15:59.524 INFO [stderr] 85 | io::stdout().flush(); Dec 04 15:15:59.524 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 04 15:15:59.524 INFO [stderr] | Dec 04 15:15:59.524 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 15:15:59.524 INFO [stderr] Dec 04 15:15:59.524 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 15:15:59.524 INFO [stderr] --> src/main.rs:86:17 Dec 04 15:15:59.524 INFO [stderr] | Dec 04 15:15:59.524 INFO [stderr] 86 | io::stdin().read_line(&mut new_diff); Dec 04 15:15:59.524 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 04 15:15:59.524 INFO [stderr] | Dec 04 15:15:59.524 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 15:15:59.524 INFO [stderr] Dec 04 15:15:59.524 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 15:15:59.524 INFO [stderr] --> src/main.rs:96:17 Dec 04 15:15:59.525 INFO [stderr] | Dec 04 15:15:59.525 INFO [stderr] 96 | io::stdout().flush(); Dec 04 15:15:59.525 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 04 15:15:59.525 INFO [stderr] | Dec 04 15:15:59.525 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 15:15:59.525 INFO [stderr] Dec 04 15:15:59.525 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 15:15:59.525 INFO [stderr] --> src/main.rs:97:17 Dec 04 15:15:59.525 INFO [stderr] | Dec 04 15:15:59.525 INFO [stderr] 97 | io::stdin().read_line(&mut new_reward); Dec 04 15:15:59.525 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 04 15:15:59.525 INFO [stderr] | Dec 04 15:15:59.525 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 15:15:59.525 INFO [stderr] Dec 04 15:15:59.571 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.62s Dec 04 15:15:59.577 INFO [stderr] su: No module specific data is present Dec 04 15:16:01.315 INFO running `"docker" "inspect" "72ad63021fcba4761d2249bcd27e4ae0f6f679349d3694ae6a1c7fb9083f2b6b"` Dec 04 15:16:01.619 INFO running `"docker" "rm" "-f" "72ad63021fcba4761d2249bcd27e4ae0f6f679349d3694ae6a1c7fb9083f2b6b"` Dec 04 15:16:01.863 INFO [stdout] 72ad63021fcba4761d2249bcd27e4ae0f6f679349d3694ae6a1c7fb9083f2b6b