Nov 30 11:59:57.927 INFO checking AvishaiW/toy-blochain-rust against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323 Nov 30 11:59:57.927 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-5/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 11:59:58.380 INFO [stdout] 318f8fae2b84e1b215286b688b475993159170e4c629b3b3343e769557b37ae3 Nov 30 11:59:58.386 INFO running `"docker" "start" "-a" "318f8fae2b84e1b215286b688b475993159170e4c629b3b3343e769557b37ae3"` Nov 30 11:59:59.800 INFO [stderr] usermod: no changes Nov 30 11:59:59.920 INFO [stderr] Checking block-buffer v0.7.0 Nov 30 12:00:00.294 INFO [stderr] Checking sha2 v0.8.0 Nov 30 12:00:01.292 INFO [stderr] Checking blockchain v0.1.0 (/source) Nov 30 12:00:03.572 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 30 12:00:03.572 INFO [stderr] --> src/main.rs:16:5 Nov 30 12:00:03.572 INFO [stderr] | Nov 30 12:00:03.572 INFO [stderr] 16 | io::stdout().flush(); Nov 30 12:00:03.572 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 30 12:00:03.572 INFO [stderr] | Nov 30 12:00:03.572 INFO [stderr] = note: #[warn(unused_must_use)] on by default Nov 30 12:00:03.572 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 30 12:00:03.572 INFO [stderr] Nov 30 12:00:03.572 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 30 12:00:03.572 INFO [stderr] --> src/main.rs:17:5 Nov 30 12:00:03.572 INFO [stderr] | Nov 30 12:00:03.572 INFO [stderr] 17 | io::stdin().read_line(&mut miner_addr); Nov 30 12:00:03.572 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 30 12:00:03.572 INFO [stderr] | Nov 30 12:00:03.572 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 30 12:00:03.572 INFO [stderr] Nov 30 12:00:03.572 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 30 12:00:03.572 INFO [stderr] --> src/main.rs:19:5 Nov 30 12:00:03.572 INFO [stderr] | Nov 30 12:00:03.572 INFO [stderr] 19 | io::stdout().flush(); Nov 30 12:00:03.572 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 30 12:00:03.572 INFO [stderr] | Nov 30 12:00:03.572 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 30 12:00:03.572 INFO [stderr] Nov 30 12:00:03.572 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 30 12:00:03.572 INFO [stderr] --> src/main.rs:20:5 Nov 30 12:00:03.572 INFO [stderr] | Nov 30 12:00:03.572 INFO [stderr] 20 | io::stdin().read_line(&mut difficulty); Nov 30 12:00:03.572 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 30 12:00:03.572 INFO [stderr] | Nov 30 12:00:03.572 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 30 12:00:03.573 INFO [stderr] Nov 30 12:00:03.573 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 30 12:00:03.573 INFO [stderr] --> src/main.rs:33:9 Nov 30 12:00:03.573 INFO [stderr] | Nov 30 12:00:03.573 INFO [stderr] 33 | io::stdout().flush(); Nov 30 12:00:03.573 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 30 12:00:03.573 INFO [stderr] | Nov 30 12:00:03.573 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 30 12:00:03.573 INFO [stderr] Nov 30 12:00:03.573 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 30 12:00:03.573 INFO [stderr] --> src/main.rs:35:9 Nov 30 12:00:03.573 INFO [stderr] | Nov 30 12:00:03.573 INFO [stderr] 35 | io::stdin().read_line(&mut choice); Nov 30 12:00:03.573 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 30 12:00:03.573 INFO [stderr] | Nov 30 12:00:03.573 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 30 12:00:03.573 INFO [stderr] Nov 30 12:00:03.573 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 30 12:00:03.573 INFO [stderr] --> src/main.rs:50:17 Nov 30 12:00:03.573 INFO [stderr] | Nov 30 12:00:03.573 INFO [stderr] 50 | io::stdout().flush(); Nov 30 12:00:03.573 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 30 12:00:03.573 INFO [stderr] | Nov 30 12:00:03.573 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 30 12:00:03.573 INFO [stderr] Nov 30 12:00:03.573 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 30 12:00:03.573 INFO [stderr] --> src/main.rs:51:17 Nov 30 12:00:03.573 INFO [stderr] | Nov 30 12:00:03.573 INFO [stderr] 51 | io::stdin().read_line(&mut sender); Nov 30 12:00:03.573 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 30 12:00:03.573 INFO [stderr] | Nov 30 12:00:03.573 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 30 12:00:03.573 INFO [stderr] Nov 30 12:00:03.573 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 30 12:00:03.573 INFO [stderr] --> src/main.rs:53:17 Nov 30 12:00:03.573 INFO [stderr] | Nov 30 12:00:03.573 INFO [stderr] 53 | io::stdout().flush(); Nov 30 12:00:03.573 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 30 12:00:03.573 INFO [stderr] | Nov 30 12:00:03.573 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 30 12:00:03.573 INFO [stderr] Nov 30 12:00:03.573 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 30 12:00:03.573 INFO [stderr] --> src/main.rs:54:17 Nov 30 12:00:03.573 INFO [stderr] | Nov 30 12:00:03.573 INFO [stderr] 54 | io::stdin().read_line(&mut receiver); Nov 30 12:00:03.573 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 30 12:00:03.573 INFO [stderr] | Nov 30 12:00:03.573 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 30 12:00:03.573 INFO [stderr] Nov 30 12:00:03.573 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 30 12:00:03.573 INFO [stderr] --> src/main.rs:56:17 Nov 30 12:00:03.573 INFO [stderr] | Nov 30 12:00:03.573 INFO [stderr] 56 | io::stdout().flush(); Nov 30 12:00:03.573 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 30 12:00:03.573 INFO [stderr] | Nov 30 12:00:03.573 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 30 12:00:03.573 INFO [stderr] Nov 30 12:00:03.573 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 30 12:00:03.573 INFO [stderr] --> src/main.rs:57:17 Nov 30 12:00:03.573 INFO [stderr] | Nov 30 12:00:03.573 INFO [stderr] 57 | io::stdin().read_line(&mut amount); Nov 30 12:00:03.573 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 30 12:00:03.573 INFO [stderr] | Nov 30 12:00:03.573 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 30 12:00:03.573 INFO [stderr] Nov 30 12:00:03.573 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 30 12:00:03.573 INFO [stderr] --> src/main.rs:81:21 Nov 30 12:00:03.573 INFO [stderr] | Nov 30 12:00:03.573 INFO [stderr] 81 | io::stdout().flush(); Nov 30 12:00:03.573 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 30 12:00:03.573 INFO [stderr] | Nov 30 12:00:03.573 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 30 12:00:03.573 INFO [stderr] Nov 30 12:00:03.573 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 30 12:00:03.573 INFO [stderr] --> src/main.rs:82:21 Nov 30 12:00:03.573 INFO [stderr] | Nov 30 12:00:03.573 INFO [stderr] 82 | io::stdin().read_line(&mut new_diff); Nov 30 12:00:03.573 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 30 12:00:03.573 INFO [stderr] | Nov 30 12:00:03.573 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 30 12:00:03.573 INFO [stderr] Nov 30 12:00:03.573 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 30 12:00:03.573 INFO [stderr] --> src/main.rs:92:17 Nov 30 12:00:03.573 INFO [stderr] | Nov 30 12:00:03.573 INFO [stderr] 92 | io::stdout().flush(); Nov 30 12:00:03.573 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 30 12:00:03.573 INFO [stderr] | Nov 30 12:00:03.573 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 30 12:00:03.574 INFO [stderr] Nov 30 12:00:03.574 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 30 12:00:03.574 INFO [stderr] --> src/main.rs:93:17 Nov 30 12:00:03.574 INFO [stderr] | Nov 30 12:00:03.574 INFO [stderr] 93 | io::stdin().read_line(&mut new_reward); Nov 30 12:00:03.574 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 30 12:00:03.574 INFO [stderr] | Nov 30 12:00:03.574 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 30 12:00:03.574 INFO [stderr] Nov 30 12:00:03.650 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 30 12:00:03.650 INFO [stderr] --> src/main.rs:16:5 Nov 30 12:00:03.650 INFO [stderr] | Nov 30 12:00:03.650 INFO [stderr] 16 | io::stdout().flush(); Nov 30 12:00:03.650 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 30 12:00:03.650 INFO [stderr] | Nov 30 12:00:03.650 INFO [stderr] = note: #[warn(unused_must_use)] on by default Nov 30 12:00:03.650 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 30 12:00:03.650 INFO [stderr] Nov 30 12:00:03.650 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 30 12:00:03.650 INFO [stderr] --> src/main.rs:17:5 Nov 30 12:00:03.650 INFO [stderr] | Nov 30 12:00:03.650 INFO [stderr] 17 | io::stdin().read_line(&mut miner_addr); Nov 30 12:00:03.650 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 30 12:00:03.650 INFO [stderr] | Nov 30 12:00:03.650 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 30 12:00:03.650 INFO [stderr] Nov 30 12:00:03.650 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 30 12:00:03.650 INFO [stderr] --> src/main.rs:19:5 Nov 30 12:00:03.650 INFO [stderr] | Nov 30 12:00:03.650 INFO [stderr] 19 | io::stdout().flush(); Nov 30 12:00:03.650 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 30 12:00:03.650 INFO [stderr] | Nov 30 12:00:03.650 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 30 12:00:03.650 INFO [stderr] Nov 30 12:00:03.650 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 30 12:00:03.650 INFO [stderr] --> src/main.rs:20:5 Nov 30 12:00:03.650 INFO [stderr] | Nov 30 12:00:03.650 INFO [stderr] 20 | io::stdin().read_line(&mut difficulty); Nov 30 12:00:03.650 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 30 12:00:03.650 INFO [stderr] | Nov 30 12:00:03.650 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 30 12:00:03.650 INFO [stderr] Nov 30 12:00:03.650 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 30 12:00:03.650 INFO [stderr] --> src/main.rs:33:9 Nov 30 12:00:03.650 INFO [stderr] | Nov 30 12:00:03.650 INFO [stderr] 33 | io::stdout().flush(); Nov 30 12:00:03.650 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 30 12:00:03.650 INFO [stderr] | Nov 30 12:00:03.650 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 30 12:00:03.650 INFO [stderr] Nov 30 12:00:03.650 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 30 12:00:03.650 INFO [stderr] --> src/main.rs:35:9 Nov 30 12:00:03.650 INFO [stderr] | Nov 30 12:00:03.650 INFO [stderr] 35 | io::stdin().read_line(&mut choice); Nov 30 12:00:03.650 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 30 12:00:03.650 INFO [stderr] | Nov 30 12:00:03.650 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 30 12:00:03.650 INFO [stderr] Nov 30 12:00:03.650 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 30 12:00:03.650 INFO [stderr] --> src/main.rs:50:17 Nov 30 12:00:03.650 INFO [stderr] | Nov 30 12:00:03.650 INFO [stderr] 50 | io::stdout().flush(); Nov 30 12:00:03.650 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 30 12:00:03.650 INFO [stderr] | Nov 30 12:00:03.650 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 30 12:00:03.650 INFO [stderr] Nov 30 12:00:03.650 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 30 12:00:03.650 INFO [stderr] --> src/main.rs:51:17 Nov 30 12:00:03.650 INFO [stderr] | Nov 30 12:00:03.651 INFO [stderr] 51 | io::stdin().read_line(&mut sender); Nov 30 12:00:03.651 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 30 12:00:03.651 INFO [stderr] | Nov 30 12:00:03.651 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 30 12:00:03.651 INFO [stderr] Nov 30 12:00:03.651 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 30 12:00:03.651 INFO [stderr] --> src/main.rs:53:17 Nov 30 12:00:03.651 INFO [stderr] | Nov 30 12:00:03.651 INFO [stderr] 53 | io::stdout().flush(); Nov 30 12:00:03.651 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 30 12:00:03.651 INFO [stderr] | Nov 30 12:00:03.651 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 30 12:00:03.651 INFO [stderr] Nov 30 12:00:03.651 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 30 12:00:03.651 INFO [stderr] --> src/main.rs:54:17 Nov 30 12:00:03.651 INFO [stderr] | Nov 30 12:00:03.651 INFO [stderr] 54 | io::stdin().read_line(&mut receiver); Nov 30 12:00:03.651 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 30 12:00:03.651 INFO [stderr] | Nov 30 12:00:03.651 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 30 12:00:03.651 INFO [stderr] Nov 30 12:00:03.651 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 30 12:00:03.651 INFO [stderr] --> src/main.rs:56:17 Nov 30 12:00:03.651 INFO [stderr] | Nov 30 12:00:03.651 INFO [stderr] 56 | io::stdout().flush(); Nov 30 12:00:03.651 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 30 12:00:03.651 INFO [stderr] | Nov 30 12:00:03.651 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 30 12:00:03.651 INFO [stderr] Nov 30 12:00:03.651 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 30 12:00:03.651 INFO [stderr] --> src/main.rs:57:17 Nov 30 12:00:03.651 INFO [stderr] | Nov 30 12:00:03.651 INFO [stderr] 57 | io::stdin().read_line(&mut amount); Nov 30 12:00:03.651 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 30 12:00:03.651 INFO [stderr] | Nov 30 12:00:03.651 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 30 12:00:03.651 INFO [stderr] Nov 30 12:00:03.651 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 30 12:00:03.651 INFO [stderr] --> src/main.rs:81:21 Nov 30 12:00:03.651 INFO [stderr] | Nov 30 12:00:03.651 INFO [stderr] 81 | io::stdout().flush(); Nov 30 12:00:03.651 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 30 12:00:03.656 INFO [stderr] | Nov 30 12:00:03.656 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 30 12:00:03.656 INFO [stderr] Nov 30 12:00:03.656 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 30 12:00:03.656 INFO [stderr] --> src/main.rs:82:21 Nov 30 12:00:03.656 INFO [stderr] | Nov 30 12:00:03.656 INFO [stderr] 82 | io::stdin().read_line(&mut new_diff); Nov 30 12:00:03.656 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 30 12:00:03.656 INFO [stderr] | Nov 30 12:00:03.656 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 30 12:00:03.656 INFO [stderr] Nov 30 12:00:03.656 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 30 12:00:03.656 INFO [stderr] --> src/main.rs:92:17 Nov 30 12:00:03.656 INFO [stderr] | Nov 30 12:00:03.656 INFO [stderr] 92 | io::stdout().flush(); Nov 30 12:00:03.656 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 30 12:00:03.656 INFO [stderr] | Nov 30 12:00:03.656 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 30 12:00:03.656 INFO [stderr] Nov 30 12:00:03.656 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 30 12:00:03.656 INFO [stderr] --> src/main.rs:93:17 Nov 30 12:00:03.656 INFO [stderr] | Nov 30 12:00:03.656 INFO [stderr] 93 | io::stdin().read_line(&mut new_reward); Nov 30 12:00:03.656 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 30 12:00:03.656 INFO [stderr] | Nov 30 12:00:03.656 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 30 12:00:03.656 INFO [stderr] Nov 30 12:00:03.664 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.83s Nov 30 12:00:03.669 INFO [stderr] su: No module specific data is present Nov 30 12:00:04.051 INFO running `"docker" "inspect" "318f8fae2b84e1b215286b688b475993159170e4c629b3b3343e769557b37ae3"` Nov 30 12:00:04.295 INFO running `"docker" "rm" "-f" "318f8fae2b84e1b215286b688b475993159170e4c629b3b3343e769557b37ae3"` Nov 30 12:00:04.448 INFO [stdout] 318f8fae2b84e1b215286b688b475993159170e4c629b3b3343e769557b37ae3