Nov 28 06:42:03.097 INFO checking dennisfurrer/RustBlockchain against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074 Nov 28 06:42:03.097 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-5/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 28 06:42:03.551 INFO [stdout] f3446eb7a0b65ad1d32837fdf776a59e19161ccb78ba229eb05d4ff7e58330e0 Nov 28 06:42:03.560 INFO running `"docker" "start" "-a" "f3446eb7a0b65ad1d32837fdf776a59e19161ccb78ba229eb05d4ff7e58330e0"` Nov 28 06:42:04.665 INFO [stderr] usermod: no changes Nov 28 06:42:04.832 INFO [stderr] Checking blockchain v0.1.0 (/source) Nov 28 06:42:06.410 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 06:42:06.410 INFO [stderr] --> src/main.rs:18:5 Nov 28 06:42:06.410 INFO [stderr] | Nov 28 06:42:06.410 INFO [stderr] 18 | io::stdout().flush(); Nov 28 06:42:06.410 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 28 06:42:06.410 INFO [stderr] | Nov 28 06:42:06.410 INFO [stderr] = note: #[warn(unused_must_use)] on by default Nov 28 06:42:06.410 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 06:42:06.410 INFO [stderr] Nov 28 06:42:06.410 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 06:42:06.410 INFO [stderr] --> src/main.rs:19:5 Nov 28 06:42:06.410 INFO [stderr] | Nov 28 06:42:06.410 INFO [stderr] 19 | io::stdin().read_line(&mut miner_address); Nov 28 06:42:06.410 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 06:42:06.410 INFO [stderr] | Nov 28 06:42:06.410 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 06:42:06.411 INFO [stderr] Nov 28 06:42:06.411 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 06:42:06.411 INFO [stderr] --> src/main.rs:21:5 Nov 28 06:42:06.411 INFO [stderr] | Nov 28 06:42:06.411 INFO [stderr] 21 | io::stdout().flush(); Nov 28 06:42:06.411 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 28 06:42:06.411 INFO [stderr] | Nov 28 06:42:06.411 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 06:42:06.411 INFO [stderr] Nov 28 06:42:06.411 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 06:42:06.411 INFO [stderr] --> src/main.rs:22:5 Nov 28 06:42:06.411 INFO [stderr] | Nov 28 06:42:06.411 INFO [stderr] 22 | io::stdin().read_line(&mut difficulty); Nov 28 06:42:06.411 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 06:42:06.411 INFO [stderr] | Nov 28 06:42:06.411 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 06:42:06.411 INFO [stderr] Nov 28 06:42:06.414 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 06:42:06.414 INFO [stderr] --> src/main.rs:38:9 Nov 28 06:42:06.414 INFO [stderr] | Nov 28 06:42:06.414 INFO [stderr] 38 | io::stdout().flush(); Nov 28 06:42:06.414 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 28 06:42:06.414 INFO [stderr] | Nov 28 06:42:06.414 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 06:42:06.414 INFO [stderr] Nov 28 06:42:06.414 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 06:42:06.414 INFO [stderr] --> src/main.rs:40:9 Nov 28 06:42:06.414 INFO [stderr] | Nov 28 06:42:06.414 INFO [stderr] 40 | io::stdin().read_line(&mut choice); Nov 28 06:42:06.414 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 06:42:06.414 INFO [stderr] | Nov 28 06:42:06.414 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 06:42:06.414 INFO [stderr] Nov 28 06:42:06.414 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 06:42:06.414 INFO [stderr] --> src/main.rs:71:17 Nov 28 06:42:06.414 INFO [stderr] | Nov 28 06:42:06.414 INFO [stderr] 71 | io::stdout().flush(); Nov 28 06:42:06.414 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 28 06:42:06.414 INFO [stderr] | Nov 28 06:42:06.414 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 06:42:06.414 INFO [stderr] Nov 28 06:42:06.414 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 06:42:06.414 INFO [stderr] --> src/main.rs:72:17 Nov 28 06:42:06.414 INFO [stderr] | Nov 28 06:42:06.414 INFO [stderr] 72 | io::stdin().read_line(&mut from); Nov 28 06:42:06.414 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 06:42:06.414 INFO [stderr] | Nov 28 06:42:06.414 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 06:42:06.414 INFO [stderr] Nov 28 06:42:06.414 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 06:42:06.414 INFO [stderr] --> src/main.rs:74:17 Nov 28 06:42:06.414 INFO [stderr] | Nov 28 06:42:06.414 INFO [stderr] 74 | io::stdout().flush(); Nov 28 06:42:06.414 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 28 06:42:06.414 INFO [stderr] | Nov 28 06:42:06.414 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 06:42:06.414 INFO [stderr] Nov 28 06:42:06.414 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 06:42:06.414 INFO [stderr] --> src/main.rs:75:17 Nov 28 06:42:06.414 INFO [stderr] | Nov 28 06:42:06.414 INFO [stderr] 75 | io::stdin().read_line(&mut to); Nov 28 06:42:06.414 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 06:42:06.414 INFO [stderr] | Nov 28 06:42:06.414 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 06:42:06.414 INFO [stderr] Nov 28 06:42:06.414 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 06:42:06.414 INFO [stderr] --> src/main.rs:77:17 Nov 28 06:42:06.414 INFO [stderr] | Nov 28 06:42:06.414 INFO [stderr] 77 | io::stdout().flush(); Nov 28 06:42:06.414 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 28 06:42:06.414 INFO [stderr] | Nov 28 06:42:06.414 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 06:42:06.414 INFO [stderr] Nov 28 06:42:06.414 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 06:42:06.414 INFO [stderr] --> src/main.rs:78:17 Nov 28 06:42:06.414 INFO [stderr] | Nov 28 06:42:06.414 INFO [stderr] 78 | io::stdin().read_line(&mut amount); Nov 28 06:42:06.414 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 06:42:06.414 INFO [stderr] | Nov 28 06:42:06.414 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 06:42:06.414 INFO [stderr] Nov 28 06:42:06.414 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 06:42:06.414 INFO [stderr] --> src/main.rs:106:17 Nov 28 06:42:06.414 INFO [stderr] | Nov 28 06:42:06.414 INFO [stderr] 106 | io::stdout().flush(); Nov 28 06:42:06.414 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 28 06:42:06.414 INFO [stderr] | Nov 28 06:42:06.414 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 06:42:06.414 INFO [stderr] Nov 28 06:42:06.414 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 06:42:06.414 INFO [stderr] --> src/main.rs:107:17 Nov 28 06:42:06.414 INFO [stderr] | Nov 28 06:42:06.414 INFO [stderr] 107 | io::stdin().read_line(&mut new_diff); Nov 28 06:42:06.414 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 06:42:06.414 INFO [stderr] | Nov 28 06:42:06.415 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 06:42:06.415 INFO [stderr] Nov 28 06:42:06.415 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 06:42:06.415 INFO [stderr] --> src/main.rs:119:17 Nov 28 06:42:06.415 INFO [stderr] | Nov 28 06:42:06.415 INFO [stderr] 119 | io::stdout().flush(); Nov 28 06:42:06.415 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 28 06:42:06.415 INFO [stderr] | Nov 28 06:42:06.415 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 06:42:06.415 INFO [stderr] Nov 28 06:42:06.415 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 06:42:06.415 INFO [stderr] --> src/main.rs:120:17 Nov 28 06:42:06.415 INFO [stderr] | Nov 28 06:42:06.415 INFO [stderr] 120 | io::stdin().read_line(&mut new_reward); Nov 28 06:42:06.415 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 06:42:06.415 INFO [stderr] | Nov 28 06:42:06.415 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 06:42:06.415 INFO [stderr] Nov 28 06:42:06.560 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 06:42:06.561 INFO [stderr] --> src/main.rs:18:5 Nov 28 06:42:06.561 INFO [stderr] | Nov 28 06:42:06.561 INFO [stderr] 18 | io::stdout().flush(); Nov 28 06:42:06.561 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 28 06:42:06.561 INFO [stderr] | Nov 28 06:42:06.562 INFO [stderr] = note: #[warn(unused_must_use)] on by default Nov 28 06:42:06.562 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 06:42:06.562 INFO [stderr] Nov 28 06:42:06.562 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 06:42:06.562 INFO [stderr] --> src/main.rs:19:5 Nov 28 06:42:06.562 INFO [stderr] | Nov 28 06:42:06.563 INFO [stderr] 19 | io::stdin().read_line(&mut miner_address); Nov 28 06:42:06.563 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 06:42:06.563 INFO [stderr] | Nov 28 06:42:06.563 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 06:42:06.563 INFO [stderr] Nov 28 06:42:06.563 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 06:42:06.564 INFO [stderr] --> src/main.rs:21:5 Nov 28 06:42:06.564 INFO [stderr] | Nov 28 06:42:06.564 INFO [stderr] 21 | io::stdout().flush(); Nov 28 06:42:06.564 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 28 06:42:06.564 INFO [stderr] | Nov 28 06:42:06.564 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 06:42:06.565 INFO [stderr] Nov 28 06:42:06.565 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 06:42:06.565 INFO [stderr] --> src/main.rs:22:5 Nov 28 06:42:06.565 INFO [stderr] | Nov 28 06:42:06.565 INFO [stderr] 22 | io::stdin().read_line(&mut difficulty); Nov 28 06:42:06.565 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 06:42:06.565 INFO [stderr] | Nov 28 06:42:06.566 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 06:42:06.566 INFO [stderr] Nov 28 06:42:06.566 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 06:42:06.566 INFO [stderr] --> src/main.rs:38:9 Nov 28 06:42:06.566 INFO [stderr] | Nov 28 06:42:06.566 INFO [stderr] 38 | io::stdout().flush(); Nov 28 06:42:06.566 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 28 06:42:06.567 INFO [stderr] | Nov 28 06:42:06.567 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 06:42:06.567 INFO [stderr] Nov 28 06:42:06.567 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 06:42:06.567 INFO [stderr] --> src/main.rs:40:9 Nov 28 06:42:06.567 INFO [stderr] | Nov 28 06:42:06.568 INFO [stderr] 40 | io::stdin().read_line(&mut choice); Nov 28 06:42:06.568 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 06:42:06.568 INFO [stderr] | Nov 28 06:42:06.568 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 06:42:06.568 INFO [stderr] Nov 28 06:42:06.568 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 06:42:06.568 INFO [stderr] --> src/main.rs:71:17 Nov 28 06:42:06.569 INFO [stderr] | Nov 28 06:42:06.569 INFO [stderr] 71 | io::stdout().flush(); Nov 28 06:42:06.569 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 28 06:42:06.569 INFO [stderr] | Nov 28 06:42:06.569 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 06:42:06.569 INFO [stderr] Nov 28 06:42:06.569 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 06:42:06.570 INFO [stderr] --> src/main.rs:72:17 Nov 28 06:42:06.570 INFO [stderr] | Nov 28 06:42:06.570 INFO [stderr] 72 | io::stdin().read_line(&mut from); Nov 28 06:42:06.570 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 06:42:06.570 INFO [stderr] | Nov 28 06:42:06.570 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 06:42:06.570 INFO [stderr] Nov 28 06:42:06.571 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 06:42:06.571 INFO [stderr] --> src/main.rs:74:17 Nov 28 06:42:06.571 INFO [stderr] | Nov 28 06:42:06.571 INFO [stderr] 74 | io::stdout().flush(); Nov 28 06:42:06.571 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 28 06:42:06.571 INFO [stderr] | Nov 28 06:42:06.571 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 06:42:06.572 INFO [stderr] Nov 28 06:42:06.572 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 06:42:06.572 INFO [stderr] --> src/main.rs:75:17 Nov 28 06:42:06.572 INFO [stderr] | Nov 28 06:42:06.572 INFO [stderr] 75 | io::stdin().read_line(&mut to); Nov 28 06:42:06.572 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 06:42:06.573 INFO [stderr] | Nov 28 06:42:06.573 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 06:42:06.573 INFO [stderr] Nov 28 06:42:06.573 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 06:42:06.573 INFO [stderr] --> src/main.rs:77:17 Nov 28 06:42:06.573 INFO [stderr] | Nov 28 06:42:06.573 INFO [stderr] 77 | io::stdout().flush(); Nov 28 06:42:06.574 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 28 06:42:06.574 INFO [stderr] | Nov 28 06:42:06.574 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 06:42:06.574 INFO [stderr] Nov 28 06:42:06.574 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 06:42:06.574 INFO [stderr] --> src/main.rs:78:17 Nov 28 06:42:06.574 INFO [stderr] | Nov 28 06:42:06.574 INFO [stderr] 78 | io::stdin().read_line(&mut amount); Nov 28 06:42:06.575 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 06:42:06.575 INFO [stderr] | Nov 28 06:42:06.575 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 06:42:06.575 INFO [stderr] Nov 28 06:42:06.575 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 06:42:06.575 INFO [stderr] --> src/main.rs:106:17 Nov 28 06:42:06.576 INFO [stderr] | Nov 28 06:42:06.576 INFO [stderr] 106 | io::stdout().flush(); Nov 28 06:42:06.580 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 28 06:42:06.580 INFO [stderr] | Nov 28 06:42:06.580 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 06:42:06.580 INFO [stderr] Nov 28 06:42:06.581 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 06:42:06.581 INFO [stderr] --> src/main.rs:107:17 Nov 28 06:42:06.581 INFO [stderr] | Nov 28 06:42:06.581 INFO [stderr] 107 | io::stdin().read_line(&mut new_diff); Nov 28 06:42:06.581 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 06:42:06.581 INFO [stderr] | Nov 28 06:42:06.581 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 06:42:06.582 INFO [stderr] Nov 28 06:42:06.582 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 06:42:06.582 INFO [stderr] --> src/main.rs:119:17 Nov 28 06:42:06.582 INFO [stderr] | Nov 28 06:42:06.582 INFO [stderr] 119 | io::stdout().flush(); Nov 28 06:42:06.582 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 28 06:42:06.583 INFO [stderr] | Nov 28 06:42:06.583 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 06:42:06.583 INFO [stderr] Nov 28 06:42:06.583 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 06:42:06.583 INFO [stderr] --> src/main.rs:120:17 Nov 28 06:42:06.584 INFO [stderr] | Nov 28 06:42:06.584 INFO [stderr] 120 | io::stdin().read_line(&mut new_reward); Nov 28 06:42:06.584 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 06:42:06.584 INFO [stderr] | Nov 28 06:42:06.584 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 06:42:06.584 INFO [stderr] Nov 28 06:42:06.612 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.91s Nov 28 06:42:06.623 INFO [stderr] su: No module specific data is present Nov 28 06:42:07.165 INFO running `"docker" "inspect" "f3446eb7a0b65ad1d32837fdf776a59e19161ccb78ba229eb05d4ff7e58330e0"` Nov 28 06:42:07.265 INFO running `"docker" "rm" "-f" "f3446eb7a0b65ad1d32837fdf776a59e19161ccb78ba229eb05d4ff7e58330e0"` Nov 28 06:42:07.444 INFO [stdout] f3446eb7a0b65ad1d32837fdf776a59e19161ccb78ba229eb05d4ff7e58330e0