Oct 12 23:37:12.035 INFO checking christiansakai/toy_blockchain_rust against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977 Oct 12 23:37:12.036 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-0/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"` Oct 12 23:37:12.460 INFO blam! 2d3971d80c92ebfd65b1d0fc744b87b4815046b162f58f220c7ab17a03d7b55c Oct 12 23:37:12.472 INFO running `"docker" "start" "-a" "2d3971d80c92ebfd65b1d0fc744b87b4815046b162f58f220c7ab17a03d7b55c"` Oct 12 23:37:13.638 INFO kablam! usermod: no changes Oct 12 23:37:13.775 INFO kablam! Checking toy_blockchain v0.1.0 (/source) Oct 12 23:37:15.574 INFO kablam! warning: unused `std::result::Result` which must be used Oct 12 23:37:15.574 INFO kablam! --> src/main.rs:16:5 Oct 12 23:37:15.574 INFO kablam! | Oct 12 23:37:15.574 INFO kablam! 16 | io::stdout().flush(); Oct 12 23:37:15.574 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Oct 12 23:37:15.574 INFO kablam! | Oct 12 23:37:15.574 INFO kablam! = note: #[warn(unused_must_use)] on by default Oct 12 23:37:15.574 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 12 23:37:15.574 INFO kablam! Oct 12 23:37:15.574 INFO kablam! warning: unused `std::result::Result` which must be used Oct 12 23:37:15.574 INFO kablam! --> src/main.rs:17:5 Oct 12 23:37:15.574 INFO kablam! | Oct 12 23:37:15.574 INFO kablam! 17 | io::stdin().read_line(&mut miner_address); Oct 12 23:37:15.574 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 23:37:15.574 INFO kablam! | Oct 12 23:37:15.574 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 12 23:37:15.574 INFO kablam! Oct 12 23:37:15.574 INFO kablam! warning: unused `std::result::Result` which must be used Oct 12 23:37:15.574 INFO kablam! --> src/main.rs:19:5 Oct 12 23:37:15.574 INFO kablam! | Oct 12 23:37:15.574 INFO kablam! 19 | io::stdout().flush(); Oct 12 23:37:15.575 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Oct 12 23:37:15.575 INFO kablam! | Oct 12 23:37:15.575 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 12 23:37:15.575 INFO kablam! Oct 12 23:37:15.575 INFO kablam! warning: unused `std::result::Result` which must be used Oct 12 23:37:15.575 INFO kablam! --> src/main.rs:20:5 Oct 12 23:37:15.575 INFO kablam! | Oct 12 23:37:15.575 INFO kablam! 20 | io::stdin().read_line(&mut difficulty); Oct 12 23:37:15.575 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 23:37:15.575 INFO kablam! | Oct 12 23:37:15.575 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 12 23:37:15.575 INFO kablam! Oct 12 23:37:15.575 INFO kablam! warning: unused `std::result::Result` which must be used Oct 12 23:37:15.575 INFO kablam! --> src/main.rs:38:9 Oct 12 23:37:15.575 INFO kablam! | Oct 12 23:37:15.575 INFO kablam! 38 | io::stdout().flush(); Oct 12 23:37:15.575 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Oct 12 23:37:15.575 INFO kablam! | Oct 12 23:37:15.575 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 12 23:37:15.575 INFO kablam! Oct 12 23:37:15.575 INFO kablam! warning: unused `std::result::Result` which must be used Oct 12 23:37:15.575 INFO kablam! --> src/main.rs:41:9 Oct 12 23:37:15.575 INFO kablam! | Oct 12 23:37:15.575 INFO kablam! 41 | io::stdin().read_line(&mut choice); Oct 12 23:37:15.575 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 23:37:15.575 INFO kablam! | Oct 12 23:37:15.575 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 12 23:37:15.575 INFO kablam! Oct 12 23:37:15.575 INFO kablam! warning: unused `std::result::Result` which must be used Oct 12 23:37:15.575 INFO kablam! --> src/main.rs:57:17 Oct 12 23:37:15.575 INFO kablam! | Oct 12 23:37:15.575 INFO kablam! 57 | io::stdout().flush(); Oct 12 23:37:15.575 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Oct 12 23:37:15.575 INFO kablam! | Oct 12 23:37:15.575 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 12 23:37:15.575 INFO kablam! Oct 12 23:37:15.575 INFO kablam! warning: unused `std::result::Result` which must be used Oct 12 23:37:15.575 INFO kablam! --> src/main.rs:58:17 Oct 12 23:37:15.575 INFO kablam! | Oct 12 23:37:15.575 INFO kablam! 58 | io::stdin().read_line(&mut sender); Oct 12 23:37:15.575 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 23:37:15.575 INFO kablam! | Oct 12 23:37:15.575 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 12 23:37:15.575 INFO kablam! Oct 12 23:37:15.575 INFO kablam! warning: unused `std::result::Result` which must be used Oct 12 23:37:15.575 INFO kablam! --> src/main.rs:60:17 Oct 12 23:37:15.575 INFO kablam! | Oct 12 23:37:15.575 INFO kablam! 60 | io::stdout().flush(); Oct 12 23:37:15.575 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Oct 12 23:37:15.575 INFO kablam! | Oct 12 23:37:15.575 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 12 23:37:15.575 INFO kablam! Oct 12 23:37:15.575 INFO kablam! warning: unused `std::result::Result` which must be used Oct 12 23:37:15.575 INFO kablam! --> src/main.rs:61:17 Oct 12 23:37:15.575 INFO kablam! | Oct 12 23:37:15.575 INFO kablam! 61 | io::stdin().read_line(&mut receiver); Oct 12 23:37:15.575 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 23:37:15.575 INFO kablam! | Oct 12 23:37:15.575 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 12 23:37:15.575 INFO kablam! Oct 12 23:37:15.575 INFO kablam! warning: unused `std::result::Result` which must be used Oct 12 23:37:15.575 INFO kablam! --> src/main.rs:63:17 Oct 12 23:37:15.575 INFO kablam! | Oct 12 23:37:15.575 INFO kablam! 63 | io::stdout().flush(); Oct 12 23:37:15.575 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Oct 12 23:37:15.575 INFO kablam! | Oct 12 23:37:15.575 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 12 23:37:15.575 INFO kablam! Oct 12 23:37:15.575 INFO kablam! warning: unused `std::result::Result` which must be used Oct 12 23:37:15.575 INFO kablam! --> src/main.rs:64:17 Oct 12 23:37:15.575 INFO kablam! | Oct 12 23:37:15.575 INFO kablam! 64 | io::stdin().read_line(&mut amount); Oct 12 23:37:15.575 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 23:37:15.575 INFO kablam! | Oct 12 23:37:15.575 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 12 23:37:15.575 INFO kablam! Oct 12 23:37:15.575 INFO kablam! warning: unused `std::result::Result` which must be used Oct 12 23:37:15.575 INFO kablam! --> src/main.rs:90:17 Oct 12 23:37:15.575 INFO kablam! | Oct 12 23:37:15.575 INFO kablam! 90 | io::stdout().flush(); Oct 12 23:37:15.575 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Oct 12 23:37:15.575 INFO kablam! | Oct 12 23:37:15.575 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 12 23:37:15.575 INFO kablam! Oct 12 23:37:15.575 INFO kablam! warning: unused `std::result::Result` which must be used Oct 12 23:37:15.575 INFO kablam! --> src/main.rs:91:17 Oct 12 23:37:15.575 INFO kablam! | Oct 12 23:37:15.575 INFO kablam! 91 | io::stdin().read_line(&mut new_difficulty); Oct 12 23:37:15.575 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 23:37:15.575 INFO kablam! | Oct 12 23:37:15.575 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 12 23:37:15.576 INFO kablam! Oct 12 23:37:15.576 INFO kablam! warning: unused `std::result::Result` which must be used Oct 12 23:37:15.576 INFO kablam! --> src/main.rs:105:17 Oct 12 23:37:15.576 INFO kablam! | Oct 12 23:37:15.576 INFO kablam! 105 | io::stdout().flush(); Oct 12 23:37:15.576 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Oct 12 23:37:15.576 INFO kablam! | Oct 12 23:37:15.576 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 12 23:37:15.576 INFO kablam! Oct 12 23:37:15.576 INFO kablam! warning: unused `std::result::Result` which must be used Oct 12 23:37:15.576 INFO kablam! --> src/main.rs:106:17 Oct 12 23:37:15.576 INFO kablam! | Oct 12 23:37:15.576 INFO kablam! 106 | io::stdin().read_line(&mut new_reward); Oct 12 23:37:15.576 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 23:37:15.576 INFO kablam! | Oct 12 23:37:15.576 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 12 23:37:15.576 INFO kablam! Oct 12 23:37:15.761 INFO kablam! warning: unused `std::result::Result` which must be used Oct 12 23:37:15.761 INFO kablam! --> src/main.rs:16:5 Oct 12 23:37:15.762 INFO kablam! | Oct 12 23:37:15.762 INFO kablam! 16 | io::stdout().flush(); Oct 12 23:37:15.762 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Oct 12 23:37:15.763 INFO kablam! | Oct 12 23:37:15.763 INFO kablam! = note: #[warn(unused_must_use)] on by default Oct 12 23:37:15.763 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 12 23:37:15.763 INFO kablam! Oct 12 23:37:15.764 INFO kablam! warning: unused `std::result::Result` which must be used Oct 12 23:37:15.764 INFO kablam! --> src/main.rs:17:5 Oct 12 23:37:15.764 INFO kablam! | Oct 12 23:37:15.765 INFO kablam! 17 | io::stdin().read_line(&mut miner_address); Oct 12 23:37:15.765 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 23:37:15.765 INFO kablam! | Oct 12 23:37:15.765 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 12 23:37:15.766 INFO kablam! Oct 12 23:37:15.766 INFO kablam! warning: unused `std::result::Result` which must be used Oct 12 23:37:15.766 INFO kablam! --> src/main.rs:19:5 Oct 12 23:37:15.767 INFO kablam! | Oct 12 23:37:15.767 INFO kablam! 19 | io::stdout().flush(); Oct 12 23:37:15.767 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Oct 12 23:37:15.767 INFO kablam! | Oct 12 23:37:15.768 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 12 23:37:15.768 INFO kablam! Oct 12 23:37:15.768 INFO kablam! warning: unused `std::result::Result` which must be used Oct 12 23:37:15.769 INFO kablam! --> src/main.rs:20:5 Oct 12 23:37:15.769 INFO kablam! | Oct 12 23:37:15.769 INFO kablam! 20 | io::stdin().read_line(&mut difficulty); Oct 12 23:37:15.769 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 23:37:15.770 INFO kablam! | Oct 12 23:37:15.770 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 12 23:37:15.770 INFO kablam! Oct 12 23:37:15.770 INFO kablam! warning: unused `std::result::Result` which must be used Oct 12 23:37:15.770 INFO kablam! --> src/main.rs:38:9 Oct 12 23:37:15.770 INFO kablam! | Oct 12 23:37:15.770 INFO kablam! 38 | io::stdout().flush(); Oct 12 23:37:15.770 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Oct 12 23:37:15.770 INFO kablam! | Oct 12 23:37:15.770 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 12 23:37:15.770 INFO kablam! Oct 12 23:37:15.770 INFO kablam! warning: unused `std::result::Result` which must be used Oct 12 23:37:15.770 INFO kablam! --> src/main.rs:41:9 Oct 12 23:37:15.770 INFO kablam! | Oct 12 23:37:15.770 INFO kablam! 41 | io::stdin().read_line(&mut choice); Oct 12 23:37:15.770 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 23:37:15.770 INFO kablam! | Oct 12 23:37:15.770 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 12 23:37:15.770 INFO kablam! Oct 12 23:37:15.770 INFO kablam! warning: unused `std::result::Result` which must be used Oct 12 23:37:15.770 INFO kablam! --> src/main.rs:57:17 Oct 12 23:37:15.770 INFO kablam! | Oct 12 23:37:15.770 INFO kablam! 57 | io::stdout().flush(); Oct 12 23:37:15.770 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Oct 12 23:37:15.770 INFO kablam! | Oct 12 23:37:15.771 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 12 23:37:15.771 INFO kablam! Oct 12 23:37:15.775 INFO kablam! warning: unused `std::result::Result` which must be used Oct 12 23:37:15.775 INFO kablam! --> src/main.rs:58:17 Oct 12 23:37:15.775 INFO kablam! | Oct 12 23:37:15.775 INFO kablam! 58 | io::stdin().read_line(&mut sender); Oct 12 23:37:15.775 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 23:37:15.775 INFO kablam! | Oct 12 23:37:15.775 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 12 23:37:15.775 INFO kablam! Oct 12 23:37:15.775 INFO kablam! warning: unused `std::result::Result` which must be used Oct 12 23:37:15.775 INFO kablam! --> src/main.rs:60:17 Oct 12 23:37:15.775 INFO kablam! | Oct 12 23:37:15.775 INFO kablam! 60 | io::stdout().flush(); Oct 12 23:37:15.775 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Oct 12 23:37:15.775 INFO kablam! | Oct 12 23:37:15.775 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 12 23:37:15.775 INFO kablam! Oct 12 23:37:15.775 INFO kablam! warning: unused `std::result::Result` which must be used Oct 12 23:37:15.775 INFO kablam! --> src/main.rs:61:17 Oct 12 23:37:15.775 INFO kablam! | Oct 12 23:37:15.775 INFO kablam! 61 | io::stdin().read_line(&mut receiver); Oct 12 23:37:15.775 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 23:37:15.775 INFO kablam! | Oct 12 23:37:15.775 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 12 23:37:15.775 INFO kablam! Oct 12 23:37:15.775 INFO kablam! warning: unused `std::result::Result` which must be used Oct 12 23:37:15.775 INFO kablam! --> src/main.rs:63:17 Oct 12 23:37:15.775 INFO kablam! | Oct 12 23:37:15.775 INFO kablam! 63 | io::stdout().flush(); Oct 12 23:37:15.775 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Oct 12 23:37:15.775 INFO kablam! | Oct 12 23:37:15.775 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 12 23:37:15.775 INFO kablam! Oct 12 23:37:15.776 INFO kablam! warning: unused `std::result::Result` which must be used Oct 12 23:37:15.776 INFO kablam! --> src/main.rs:64:17 Oct 12 23:37:15.776 INFO kablam! | Oct 12 23:37:15.776 INFO kablam! 64 | io::stdin().read_line(&mut amount); Oct 12 23:37:15.776 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 23:37:15.776 INFO kablam! | Oct 12 23:37:15.776 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 12 23:37:15.776 INFO kablam! Oct 12 23:37:15.776 INFO kablam! warning: unused `std::result::Result` which must be used Oct 12 23:37:15.776 INFO kablam! --> src/main.rs:90:17 Oct 12 23:37:15.776 INFO kablam! | Oct 12 23:37:15.776 INFO kablam! 90 | io::stdout().flush(); Oct 12 23:37:15.776 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Oct 12 23:37:15.776 INFO kablam! | Oct 12 23:37:15.776 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 12 23:37:15.776 INFO kablam! Oct 12 23:37:15.776 INFO kablam! warning: unused `std::result::Result` which must be used Oct 12 23:37:15.776 INFO kablam! --> src/main.rs:91:17 Oct 12 23:37:15.776 INFO kablam! | Oct 12 23:37:15.776 INFO kablam! 91 | io::stdin().read_line(&mut new_difficulty); Oct 12 23:37:15.776 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 23:37:15.776 INFO kablam! | Oct 12 23:37:15.776 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 12 23:37:15.776 INFO kablam! Oct 12 23:37:15.776 INFO kablam! warning: unused `std::result::Result` which must be used Oct 12 23:37:15.776 INFO kablam! --> src/main.rs:105:17 Oct 12 23:37:15.777 INFO kablam! | Oct 12 23:37:15.777 INFO kablam! 105 | io::stdout().flush(); Oct 12 23:37:15.777 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Oct 12 23:37:15.777 INFO kablam! | Oct 12 23:37:15.777 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 12 23:37:15.777 INFO kablam! Oct 12 23:37:15.777 INFO kablam! warning: unused `std::result::Result` which must be used Oct 12 23:37:15.777 INFO kablam! --> src/main.rs:106:17 Oct 12 23:37:15.777 INFO kablam! | Oct 12 23:37:15.777 INFO kablam! 106 | io::stdin().read_line(&mut new_reward); Oct 12 23:37:15.777 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 23:37:15.777 INFO kablam! | Oct 12 23:37:15.777 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 12 23:37:15.777 INFO kablam! Oct 12 23:37:15.832 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 2.16s Oct 12 23:37:15.832 INFO kablam! su: No module specific data is present Oct 12 23:37:16.360 INFO running `"docker" "rm" "-f" "2d3971d80c92ebfd65b1d0fc744b87b4815046b162f58f220c7ab17a03d7b55c"` Oct 12 23:37:16.662 INFO blam! 2d3971d80c92ebfd65b1d0fc744b87b4815046b162f58f220c7ab17a03d7b55c