Oct 27 06:46:04.820 INFO checking christiansakai/toy_blockchain_rust against master#155510e377ae2a8d8ee0dad1a5f809c9062a5526 for pr-55192-2 Oct 27 06:46:04.820 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-1/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-1/pr-55192-2/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/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 +155510e377ae2a8d8ee0dad1a5f809c9062a5526-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 27 06:46:05.287 INFO blam! fe96baf3694b8570580a16ac26475aa8f1eb3ed8b54f5b64af422e08c5007363 Oct 27 06:46:05.291 INFO running `"docker" "start" "-a" "fe96baf3694b8570580a16ac26475aa8f1eb3ed8b54f5b64af422e08c5007363"` Oct 27 06:46:06.679 INFO kablam! usermod: no changes Oct 27 06:46:06.815 INFO kablam! Checking toy_blockchain v0.1.0 (/source) Oct 27 06:46:08.411 INFO kablam! warning: unused `std::result::Result` that must be used Oct 27 06:46:08.411 INFO kablam! --> src/main.rs:16:5 Oct 27 06:46:08.411 INFO kablam! | Oct 27 06:46:08.411 INFO kablam! 16 | io::stdout().flush(); Oct 27 06:46:08.411 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Oct 27 06:46:08.411 INFO kablam! | Oct 27 06:46:08.411 INFO kablam! = note: #[warn(unused_must_use)] on by default Oct 27 06:46:08.411 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 27 06:46:08.411 INFO kablam! Oct 27 06:46:08.411 INFO kablam! warning: unused `std::result::Result` that must be used Oct 27 06:46:08.411 INFO kablam! --> src/main.rs:17:5 Oct 27 06:46:08.411 INFO kablam! | Oct 27 06:46:08.411 INFO kablam! 17 | io::stdin().read_line(&mut miner_address); Oct 27 06:46:08.411 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 27 06:46:08.411 INFO kablam! | Oct 27 06:46:08.411 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 27 06:46:08.411 INFO kablam! Oct 27 06:46:08.411 INFO kablam! warning: unused `std::result::Result` that must be used Oct 27 06:46:08.411 INFO kablam! --> src/main.rs:19:5 Oct 27 06:46:08.411 INFO kablam! | Oct 27 06:46:08.411 INFO kablam! 19 | io::stdout().flush(); Oct 27 06:46:08.411 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Oct 27 06:46:08.411 INFO kablam! | Oct 27 06:46:08.411 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 27 06:46:08.411 INFO kablam! Oct 27 06:46:08.412 INFO kablam! warning: unused `std::result::Result` that must be used Oct 27 06:46:08.412 INFO kablam! --> src/main.rs:20:5 Oct 27 06:46:08.412 INFO kablam! | Oct 27 06:46:08.412 INFO kablam! 20 | io::stdin().read_line(&mut difficulty); Oct 27 06:46:08.412 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 27 06:46:08.412 INFO kablam! | Oct 27 06:46:08.412 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 27 06:46:08.412 INFO kablam! Oct 27 06:46:08.412 INFO kablam! warning: unused `std::result::Result` that must be used Oct 27 06:46:08.412 INFO kablam! --> src/main.rs:38:9 Oct 27 06:46:08.412 INFO kablam! | Oct 27 06:46:08.412 INFO kablam! 38 | io::stdout().flush(); Oct 27 06:46:08.412 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Oct 27 06:46:08.412 INFO kablam! | Oct 27 06:46:08.412 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 27 06:46:08.412 INFO kablam! Oct 27 06:46:08.412 INFO kablam! warning: unused `std::result::Result` that must be used Oct 27 06:46:08.412 INFO kablam! --> src/main.rs:41:9 Oct 27 06:46:08.412 INFO kablam! | Oct 27 06:46:08.412 INFO kablam! 41 | io::stdin().read_line(&mut choice); Oct 27 06:46:08.412 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 27 06:46:08.412 INFO kablam! | Oct 27 06:46:08.412 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 27 06:46:08.412 INFO kablam! Oct 27 06:46:08.412 INFO kablam! warning: unused `std::result::Result` that must be used Oct 27 06:46:08.412 INFO kablam! --> src/main.rs:57:17 Oct 27 06:46:08.412 INFO kablam! | Oct 27 06:46:08.412 INFO kablam! 57 | io::stdout().flush(); Oct 27 06:46:08.412 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Oct 27 06:46:08.412 INFO kablam! | Oct 27 06:46:08.412 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 27 06:46:08.412 INFO kablam! Oct 27 06:46:08.412 INFO kablam! warning: unused `std::result::Result` that must be used Oct 27 06:46:08.412 INFO kablam! --> src/main.rs:58:17 Oct 27 06:46:08.412 INFO kablam! | Oct 27 06:46:08.412 INFO kablam! 58 | io::stdin().read_line(&mut sender); Oct 27 06:46:08.412 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 27 06:46:08.412 INFO kablam! | Oct 27 06:46:08.412 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 27 06:46:08.412 INFO kablam! Oct 27 06:46:08.412 INFO kablam! warning: unused `std::result::Result` that must be used Oct 27 06:46:08.412 INFO kablam! --> src/main.rs:60:17 Oct 27 06:46:08.412 INFO kablam! | Oct 27 06:46:08.412 INFO kablam! 60 | io::stdout().flush(); Oct 27 06:46:08.412 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Oct 27 06:46:08.412 INFO kablam! | Oct 27 06:46:08.412 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 27 06:46:08.412 INFO kablam! Oct 27 06:46:08.412 INFO kablam! warning: unused `std::result::Result` that must be used Oct 27 06:46:08.412 INFO kablam! --> src/main.rs:61:17 Oct 27 06:46:08.412 INFO kablam! | Oct 27 06:46:08.412 INFO kablam! 61 | io::stdin().read_line(&mut receiver); Oct 27 06:46:08.412 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 27 06:46:08.412 INFO kablam! | Oct 27 06:46:08.412 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 27 06:46:08.412 INFO kablam! Oct 27 06:46:08.412 INFO kablam! warning: unused `std::result::Result` that must be used Oct 27 06:46:08.412 INFO kablam! --> src/main.rs:63:17 Oct 27 06:46:08.412 INFO kablam! | Oct 27 06:46:08.412 INFO kablam! 63 | io::stdout().flush(); Oct 27 06:46:08.412 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Oct 27 06:46:08.412 INFO kablam! | Oct 27 06:46:08.412 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 27 06:46:08.412 INFO kablam! Oct 27 06:46:08.412 INFO kablam! warning: unused `std::result::Result` that must be used Oct 27 06:46:08.412 INFO kablam! --> src/main.rs:64:17 Oct 27 06:46:08.412 INFO kablam! | Oct 27 06:46:08.412 INFO kablam! 64 | io::stdin().read_line(&mut amount); Oct 27 06:46:08.412 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 27 06:46:08.412 INFO kablam! | Oct 27 06:46:08.412 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 27 06:46:08.412 INFO kablam! Oct 27 06:46:08.412 INFO kablam! warning: unused `std::result::Result` that must be used Oct 27 06:46:08.412 INFO kablam! --> src/main.rs:90:17 Oct 27 06:46:08.412 INFO kablam! | Oct 27 06:46:08.412 INFO kablam! 90 | io::stdout().flush(); Oct 27 06:46:08.412 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Oct 27 06:46:08.412 INFO kablam! | Oct 27 06:46:08.412 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 27 06:46:08.412 INFO kablam! Oct 27 06:46:08.412 INFO kablam! warning: unused `std::result::Result` that must be used Oct 27 06:46:08.412 INFO kablam! --> src/main.rs:91:17 Oct 27 06:46:08.412 INFO kablam! | Oct 27 06:46:08.412 INFO kablam! 91 | io::stdin().read_line(&mut new_difficulty); Oct 27 06:46:08.412 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 27 06:46:08.412 INFO kablam! | Oct 27 06:46:08.412 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 27 06:46:08.412 INFO kablam! Oct 27 06:46:08.412 INFO kablam! warning: unused `std::result::Result` that must be used Oct 27 06:46:08.412 INFO kablam! --> src/main.rs:105:17 Oct 27 06:46:08.413 INFO kablam! | Oct 27 06:46:08.413 INFO kablam! 105 | io::stdout().flush(); Oct 27 06:46:08.413 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Oct 27 06:46:08.413 INFO kablam! | Oct 27 06:46:08.413 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 27 06:46:08.413 INFO kablam! Oct 27 06:46:08.413 INFO kablam! warning: unused `std::result::Result` that must be used Oct 27 06:46:08.413 INFO kablam! --> src/main.rs:106:17 Oct 27 06:46:08.413 INFO kablam! | Oct 27 06:46:08.413 INFO kablam! 106 | io::stdin().read_line(&mut new_reward); Oct 27 06:46:08.413 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 27 06:46:08.413 INFO kablam! | Oct 27 06:46:08.413 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 27 06:46:08.413 INFO kablam! Oct 27 06:46:08.559 INFO kablam! warning: unused `std::result::Result` that must be used Oct 27 06:46:08.559 INFO kablam! --> src/main.rs:16:5 Oct 27 06:46:08.559 INFO kablam! | Oct 27 06:46:08.559 INFO kablam! 16 | io::stdout().flush(); Oct 27 06:46:08.559 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Oct 27 06:46:08.559 INFO kablam! | Oct 27 06:46:08.559 INFO kablam! = note: #[warn(unused_must_use)] on by default Oct 27 06:46:08.559 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 27 06:46:08.559 INFO kablam! Oct 27 06:46:08.559 INFO kablam! warning: unused `std::result::Result` that must be used Oct 27 06:46:08.559 INFO kablam! --> src/main.rs:17:5 Oct 27 06:46:08.559 INFO kablam! | Oct 27 06:46:08.559 INFO kablam! 17 | io::stdin().read_line(&mut miner_address); Oct 27 06:46:08.559 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 27 06:46:08.559 INFO kablam! | Oct 27 06:46:08.559 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 27 06:46:08.559 INFO kablam! Oct 27 06:46:08.559 INFO kablam! warning: unused `std::result::Result` that must be used Oct 27 06:46:08.559 INFO kablam! --> src/main.rs:19:5 Oct 27 06:46:08.559 INFO kablam! | Oct 27 06:46:08.559 INFO kablam! 19 | io::stdout().flush(); Oct 27 06:46:08.559 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Oct 27 06:46:08.559 INFO kablam! | Oct 27 06:46:08.559 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 27 06:46:08.559 INFO kablam! Oct 27 06:46:08.559 INFO kablam! warning: unused `std::result::Result` that must be used Oct 27 06:46:08.559 INFO kablam! --> src/main.rs:20:5 Oct 27 06:46:08.559 INFO kablam! | Oct 27 06:46:08.559 INFO kablam! 20 | io::stdin().read_line(&mut difficulty); Oct 27 06:46:08.559 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 27 06:46:08.559 INFO kablam! | Oct 27 06:46:08.559 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 27 06:46:08.559 INFO kablam! Oct 27 06:46:08.559 INFO kablam! warning: unused `std::result::Result` that must be used Oct 27 06:46:08.559 INFO kablam! --> src/main.rs:38:9 Oct 27 06:46:08.559 INFO kablam! | Oct 27 06:46:08.559 INFO kablam! 38 | io::stdout().flush(); Oct 27 06:46:08.559 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Oct 27 06:46:08.559 INFO kablam! | Oct 27 06:46:08.559 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 27 06:46:08.559 INFO kablam! Oct 27 06:46:08.559 INFO kablam! warning: unused `std::result::Result` that must be used Oct 27 06:46:08.559 INFO kablam! --> src/main.rs:41:9 Oct 27 06:46:08.559 INFO kablam! | Oct 27 06:46:08.559 INFO kablam! 41 | io::stdin().read_line(&mut choice); Oct 27 06:46:08.559 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 27 06:46:08.559 INFO kablam! | Oct 27 06:46:08.559 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 27 06:46:08.559 INFO kablam! Oct 27 06:46:08.559 INFO kablam! warning: unused `std::result::Result` that must be used Oct 27 06:46:08.559 INFO kablam! --> src/main.rs:57:17 Oct 27 06:46:08.559 INFO kablam! | Oct 27 06:46:08.559 INFO kablam! 57 | io::stdout().flush(); Oct 27 06:46:08.559 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Oct 27 06:46:08.559 INFO kablam! | Oct 27 06:46:08.559 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 27 06:46:08.559 INFO kablam! Oct 27 06:46:08.559 INFO kablam! warning: unused `std::result::Result` that must be used Oct 27 06:46:08.559 INFO kablam! --> src/main.rs:58:17 Oct 27 06:46:08.559 INFO kablam! | Oct 27 06:46:08.559 INFO kablam! 58 | io::stdin().read_line(&mut sender); Oct 27 06:46:08.559 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 27 06:46:08.559 INFO kablam! | Oct 27 06:46:08.559 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 27 06:46:08.559 INFO kablam! Oct 27 06:46:08.559 INFO kablam! warning: unused `std::result::Result` that must be used Oct 27 06:46:08.559 INFO kablam! --> src/main.rs:60:17 Oct 27 06:46:08.559 INFO kablam! | Oct 27 06:46:08.559 INFO kablam! 60 | io::stdout().flush(); Oct 27 06:46:08.559 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Oct 27 06:46:08.559 INFO kablam! | Oct 27 06:46:08.559 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 27 06:46:08.559 INFO kablam! Oct 27 06:46:08.559 INFO kablam! warning: unused `std::result::Result` that must be used Oct 27 06:46:08.559 INFO kablam! --> src/main.rs:61:17 Oct 27 06:46:08.560 INFO kablam! | Oct 27 06:46:08.560 INFO kablam! 61 | io::stdin().read_line(&mut receiver); Oct 27 06:46:08.560 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 27 06:46:08.560 INFO kablam! | Oct 27 06:46:08.560 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 27 06:46:08.560 INFO kablam! Oct 27 06:46:08.560 INFO kablam! warning: unused `std::result::Result` that must be used Oct 27 06:46:08.560 INFO kablam! --> src/main.rs:63:17 Oct 27 06:46:08.560 INFO kablam! | Oct 27 06:46:08.560 INFO kablam! 63 | io::stdout().flush(); Oct 27 06:46:08.560 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Oct 27 06:46:08.560 INFO kablam! | Oct 27 06:46:08.560 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 27 06:46:08.560 INFO kablam! Oct 27 06:46:08.560 INFO kablam! warning: unused `std::result::Result` that must be used Oct 27 06:46:08.560 INFO kablam! --> src/main.rs:64:17 Oct 27 06:46:08.560 INFO kablam! | Oct 27 06:46:08.560 INFO kablam! 64 | io::stdin().read_line(&mut amount); Oct 27 06:46:08.560 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 27 06:46:08.560 INFO kablam! | Oct 27 06:46:08.560 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 27 06:46:08.560 INFO kablam! Oct 27 06:46:08.560 INFO kablam! warning: unused `std::result::Result` that must be used Oct 27 06:46:08.560 INFO kablam! --> src/main.rs:90:17 Oct 27 06:46:08.560 INFO kablam! | Oct 27 06:46:08.560 INFO kablam! 90 | io::stdout().flush(); Oct 27 06:46:08.560 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Oct 27 06:46:08.560 INFO kablam! | Oct 27 06:46:08.560 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 27 06:46:08.560 INFO kablam! Oct 27 06:46:08.560 INFO kablam! warning: unused `std::result::Result` that must be used Oct 27 06:46:08.560 INFO kablam! --> src/main.rs:91:17 Oct 27 06:46:08.560 INFO kablam! | Oct 27 06:46:08.560 INFO kablam! 91 | io::stdin().read_line(&mut new_difficulty); Oct 27 06:46:08.560 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 27 06:46:08.560 INFO kablam! | Oct 27 06:46:08.560 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 27 06:46:08.560 INFO kablam! Oct 27 06:46:08.560 INFO kablam! warning: unused `std::result::Result` that must be used Oct 27 06:46:08.560 INFO kablam! --> src/main.rs:105:17 Oct 27 06:46:08.560 INFO kablam! | Oct 27 06:46:08.560 INFO kablam! 105 | io::stdout().flush(); Oct 27 06:46:08.560 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Oct 27 06:46:08.560 INFO kablam! | Oct 27 06:46:08.560 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 27 06:46:08.560 INFO kablam! Oct 27 06:46:08.560 INFO kablam! warning: unused `std::result::Result` that must be used Oct 27 06:46:08.560 INFO kablam! --> src/main.rs:106:17 Oct 27 06:46:08.560 INFO kablam! | Oct 27 06:46:08.560 INFO kablam! 106 | io::stdin().read_line(&mut new_reward); Oct 27 06:46:08.560 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 27 06:46:08.560 INFO kablam! | Oct 27 06:46:08.560 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 27 06:46:08.560 INFO kablam! Oct 27 06:46:08.607 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 1.88s Oct 27 06:46:08.619 INFO kablam! su: No module specific data is present Oct 27 06:46:09.364 INFO running `"docker" "rm" "-f" "fe96baf3694b8570580a16ac26475aa8f1eb3ed8b54f5b64af422e08c5007363"` Oct 27 06:46:09.664 INFO blam! fe96baf3694b8570580a16ac26475aa8f1eb3ed8b54f5b64af422e08c5007363