Dec 05 03:23:02.484 INFO checking AvishaiW/toy-blochain-rust against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481 Dec 05 03:23:02.484 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 05 03:23:02.787 INFO [stdout] b4c4165be7c424f635709b3763f756962c1f3fca46acda831b8e46713b676e13 Dec 05 03:23:02.789 INFO running `"docker" "start" "-a" "b4c4165be7c424f635709b3763f756962c1f3fca46acda831b8e46713b676e13"` Dec 05 03:23:03.867 INFO [stderr] usermod: no changes Dec 05 03:23:03.972 INFO [stderr] Checking block-buffer v0.7.0 Dec 05 03:23:04.201 INFO [stderr] Checking sha2 v0.8.0 Dec 05 03:23:05.000 INFO [stderr] Checking blockchain v0.1.0 (/source) Dec 05 03:23:06.239 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 05 03:23:06.239 INFO [stderr] --> src/main.rs:16:5 Dec 05 03:23:06.239 INFO [stderr] | Dec 05 03:23:06.239 INFO [stderr] 16 | io::stdout().flush(); Dec 05 03:23:06.239 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 05 03:23:06.239 INFO [stderr] | Dec 05 03:23:06.239 INFO [stderr] = note: #[warn(unused_must_use)] on by default Dec 05 03:23:06.239 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 05 03:23:06.239 INFO [stderr] Dec 05 03:23:06.239 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 05 03:23:06.239 INFO [stderr] --> src/main.rs:17:5 Dec 05 03:23:06.239 INFO [stderr] | Dec 05 03:23:06.239 INFO [stderr] 17 | io::stdin().read_line(&mut miner_addr); Dec 05 03:23:06.239 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 05 03:23:06.239 INFO [stderr] | Dec 05 03:23:06.240 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 05 03:23:06.240 INFO [stderr] Dec 05 03:23:06.240 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 05 03:23:06.240 INFO [stderr] --> src/main.rs:19:5 Dec 05 03:23:06.240 INFO [stderr] | Dec 05 03:23:06.240 INFO [stderr] 19 | io::stdout().flush(); Dec 05 03:23:06.240 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 05 03:23:06.240 INFO [stderr] | Dec 05 03:23:06.240 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 05 03:23:06.240 INFO [stderr] Dec 05 03:23:06.240 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 05 03:23:06.240 INFO [stderr] --> src/main.rs:20:5 Dec 05 03:23:06.240 INFO [stderr] | Dec 05 03:23:06.240 INFO [stderr] 20 | io::stdin().read_line(&mut difficulty); Dec 05 03:23:06.240 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 05 03:23:06.240 INFO [stderr] | Dec 05 03:23:06.240 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 05 03:23:06.240 INFO [stderr] Dec 05 03:23:06.240 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 05 03:23:06.240 INFO [stderr] --> src/main.rs:33:9 Dec 05 03:23:06.240 INFO [stderr] | Dec 05 03:23:06.240 INFO [stderr] 33 | io::stdout().flush(); Dec 05 03:23:06.240 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 05 03:23:06.240 INFO [stderr] | Dec 05 03:23:06.240 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 05 03:23:06.240 INFO [stderr] Dec 05 03:23:06.240 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 05 03:23:06.240 INFO [stderr] --> src/main.rs:35:9 Dec 05 03:23:06.240 INFO [stderr] | Dec 05 03:23:06.240 INFO [stderr] 35 | io::stdin().read_line(&mut choice); Dec 05 03:23:06.240 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 05 03:23:06.240 INFO [stderr] | Dec 05 03:23:06.240 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 05 03:23:06.240 INFO [stderr] Dec 05 03:23:06.240 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 05 03:23:06.240 INFO [stderr] --> src/main.rs:50:17 Dec 05 03:23:06.240 INFO [stderr] | Dec 05 03:23:06.240 INFO [stderr] 50 | io::stdout().flush(); Dec 05 03:23:06.240 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 05 03:23:06.240 INFO [stderr] | Dec 05 03:23:06.240 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 05 03:23:06.240 INFO [stderr] Dec 05 03:23:06.240 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 05 03:23:06.240 INFO [stderr] --> src/main.rs:51:17 Dec 05 03:23:06.240 INFO [stderr] | Dec 05 03:23:06.240 INFO [stderr] 51 | io::stdin().read_line(&mut sender); Dec 05 03:23:06.240 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 05 03:23:06.240 INFO [stderr] | Dec 05 03:23:06.240 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 05 03:23:06.240 INFO [stderr] Dec 05 03:23:06.240 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 05 03:23:06.240 INFO [stderr] --> src/main.rs:53:17 Dec 05 03:23:06.240 INFO [stderr] | Dec 05 03:23:06.240 INFO [stderr] 53 | io::stdout().flush(); Dec 05 03:23:06.240 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 05 03:23:06.240 INFO [stderr] | Dec 05 03:23:06.240 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 05 03:23:06.240 INFO [stderr] Dec 05 03:23:06.240 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 05 03:23:06.240 INFO [stderr] --> src/main.rs:54:17 Dec 05 03:23:06.240 INFO [stderr] | Dec 05 03:23:06.240 INFO [stderr] 54 | io::stdin().read_line(&mut receiver); Dec 05 03:23:06.240 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 05 03:23:06.240 INFO [stderr] | Dec 05 03:23:06.240 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 05 03:23:06.240 INFO [stderr] Dec 05 03:23:06.240 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 05 03:23:06.240 INFO [stderr] --> src/main.rs:56:17 Dec 05 03:23:06.240 INFO [stderr] | Dec 05 03:23:06.240 INFO [stderr] 56 | io::stdout().flush(); Dec 05 03:23:06.240 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 05 03:23:06.240 INFO [stderr] | Dec 05 03:23:06.240 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 05 03:23:06.240 INFO [stderr] Dec 05 03:23:06.240 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 05 03:23:06.240 INFO [stderr] --> src/main.rs:57:17 Dec 05 03:23:06.240 INFO [stderr] | Dec 05 03:23:06.240 INFO [stderr] 57 | io::stdin().read_line(&mut amount); Dec 05 03:23:06.240 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 05 03:23:06.240 INFO [stderr] | Dec 05 03:23:06.240 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 05 03:23:06.240 INFO [stderr] Dec 05 03:23:06.240 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 05 03:23:06.240 INFO [stderr] --> src/main.rs:81:21 Dec 05 03:23:06.241 INFO [stderr] | Dec 05 03:23:06.241 INFO [stderr] 81 | io::stdout().flush(); Dec 05 03:23:06.241 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 05 03:23:06.241 INFO [stderr] | Dec 05 03:23:06.241 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 05 03:23:06.241 INFO [stderr] Dec 05 03:23:06.241 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 05 03:23:06.241 INFO [stderr] --> src/main.rs:82:21 Dec 05 03:23:06.241 INFO [stderr] | Dec 05 03:23:06.241 INFO [stderr] 82 | io::stdin().read_line(&mut new_diff); Dec 05 03:23:06.241 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 05 03:23:06.241 INFO [stderr] | Dec 05 03:23:06.241 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 05 03:23:06.241 INFO [stderr] Dec 05 03:23:06.241 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 05 03:23:06.241 INFO [stderr] --> src/main.rs:92:17 Dec 05 03:23:06.241 INFO [stderr] | Dec 05 03:23:06.241 INFO [stderr] 92 | io::stdout().flush(); Dec 05 03:23:06.241 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 05 03:23:06.241 INFO [stderr] | Dec 05 03:23:06.241 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 05 03:23:06.241 INFO [stderr] Dec 05 03:23:06.241 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 05 03:23:06.241 INFO [stderr] --> src/main.rs:93:17 Dec 05 03:23:06.241 INFO [stderr] | Dec 05 03:23:06.241 INFO [stderr] 93 | io::stdin().read_line(&mut new_reward); Dec 05 03:23:06.241 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 05 03:23:06.241 INFO [stderr] | Dec 05 03:23:06.241 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 05 03:23:06.241 INFO [stderr] Dec 05 03:23:06.339 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 05 03:23:06.339 INFO [stderr] --> src/main.rs:16:5 Dec 05 03:23:06.339 INFO [stderr] | Dec 05 03:23:06.339 INFO [stderr] 16 | io::stdout().flush(); Dec 05 03:23:06.339 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 05 03:23:06.339 INFO [stderr] | Dec 05 03:23:06.339 INFO [stderr] = note: #[warn(unused_must_use)] on by default Dec 05 03:23:06.340 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 05 03:23:06.340 INFO [stderr] Dec 05 03:23:06.340 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 05 03:23:06.340 INFO [stderr] --> src/main.rs:17:5 Dec 05 03:23:06.340 INFO [stderr] | Dec 05 03:23:06.340 INFO [stderr] 17 | io::stdin().read_line(&mut miner_addr); Dec 05 03:23:06.340 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 05 03:23:06.340 INFO [stderr] | Dec 05 03:23:06.340 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 05 03:23:06.340 INFO [stderr] Dec 05 03:23:06.340 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 05 03:23:06.340 INFO [stderr] --> src/main.rs:19:5 Dec 05 03:23:06.340 INFO [stderr] | Dec 05 03:23:06.340 INFO [stderr] 19 | io::stdout().flush(); Dec 05 03:23:06.340 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 05 03:23:06.340 INFO [stderr] | Dec 05 03:23:06.340 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 05 03:23:06.340 INFO [stderr] Dec 05 03:23:06.340 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 05 03:23:06.340 INFO [stderr] --> src/main.rs:20:5 Dec 05 03:23:06.340 INFO [stderr] | Dec 05 03:23:06.340 INFO [stderr] 20 | io::stdin().read_line(&mut difficulty); Dec 05 03:23:06.340 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 05 03:23:06.340 INFO [stderr] | Dec 05 03:23:06.340 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 05 03:23:06.340 INFO [stderr] Dec 05 03:23:06.340 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 05 03:23:06.340 INFO [stderr] --> src/main.rs:33:9 Dec 05 03:23:06.340 INFO [stderr] | Dec 05 03:23:06.340 INFO [stderr] 33 | io::stdout().flush(); Dec 05 03:23:06.340 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 05 03:23:06.340 INFO [stderr] | Dec 05 03:23:06.340 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 05 03:23:06.340 INFO [stderr] Dec 05 03:23:06.340 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 05 03:23:06.340 INFO [stderr] --> src/main.rs:35:9 Dec 05 03:23:06.340 INFO [stderr] | Dec 05 03:23:06.340 INFO [stderr] 35 | io::stdin().read_line(&mut choice); Dec 05 03:23:06.340 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 05 03:23:06.340 INFO [stderr] | Dec 05 03:23:06.340 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 05 03:23:06.340 INFO [stderr] Dec 05 03:23:06.340 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 05 03:23:06.340 INFO [stderr] --> src/main.rs:50:17 Dec 05 03:23:06.340 INFO [stderr] | Dec 05 03:23:06.340 INFO [stderr] 50 | io::stdout().flush(); Dec 05 03:23:06.340 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 05 03:23:06.340 INFO [stderr] | Dec 05 03:23:06.340 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 05 03:23:06.340 INFO [stderr] Dec 05 03:23:06.340 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 05 03:23:06.340 INFO [stderr] --> src/main.rs:51:17 Dec 05 03:23:06.340 INFO [stderr] | Dec 05 03:23:06.340 INFO [stderr] 51 | io::stdin().read_line(&mut sender); Dec 05 03:23:06.340 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 05 03:23:06.340 INFO [stderr] | Dec 05 03:23:06.340 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 05 03:23:06.340 INFO [stderr] Dec 05 03:23:06.340 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 05 03:23:06.340 INFO [stderr] --> src/main.rs:53:17 Dec 05 03:23:06.340 INFO [stderr] | Dec 05 03:23:06.340 INFO [stderr] 53 | io::stdout().flush(); Dec 05 03:23:06.340 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 05 03:23:06.340 INFO [stderr] | Dec 05 03:23:06.340 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 05 03:23:06.340 INFO [stderr] Dec 05 03:23:06.340 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 05 03:23:06.340 INFO [stderr] --> src/main.rs:54:17 Dec 05 03:23:06.340 INFO [stderr] | Dec 05 03:23:06.340 INFO [stderr] 54 | io::stdin().read_line(&mut receiver); Dec 05 03:23:06.340 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 05 03:23:06.340 INFO [stderr] | Dec 05 03:23:06.340 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 05 03:23:06.340 INFO [stderr] Dec 05 03:23:06.340 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 05 03:23:06.340 INFO [stderr] --> src/main.rs:56:17 Dec 05 03:23:06.340 INFO [stderr] | Dec 05 03:23:06.340 INFO [stderr] 56 | io::stdout().flush(); Dec 05 03:23:06.340 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 05 03:23:06.340 INFO [stderr] | Dec 05 03:23:06.340 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 05 03:23:06.340 INFO [stderr] Dec 05 03:23:06.340 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 05 03:23:06.341 INFO [stderr] --> src/main.rs:57:17 Dec 05 03:23:06.341 INFO [stderr] | Dec 05 03:23:06.341 INFO [stderr] 57 | io::stdin().read_line(&mut amount); Dec 05 03:23:06.341 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 05 03:23:06.341 INFO [stderr] | Dec 05 03:23:06.341 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 05 03:23:06.341 INFO [stderr] Dec 05 03:23:06.341 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 05 03:23:06.341 INFO [stderr] --> src/main.rs:81:21 Dec 05 03:23:06.341 INFO [stderr] | Dec 05 03:23:06.341 INFO [stderr] 81 | io::stdout().flush(); Dec 05 03:23:06.341 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 05 03:23:06.341 INFO [stderr] | Dec 05 03:23:06.341 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 05 03:23:06.341 INFO [stderr] Dec 05 03:23:06.341 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 05 03:23:06.341 INFO [stderr] --> src/main.rs:82:21 Dec 05 03:23:06.341 INFO [stderr] | Dec 05 03:23:06.341 INFO [stderr] 82 | io::stdin().read_line(&mut new_diff); Dec 05 03:23:06.341 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 05 03:23:06.341 INFO [stderr] | Dec 05 03:23:06.341 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 05 03:23:06.341 INFO [stderr] Dec 05 03:23:06.341 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 05 03:23:06.341 INFO [stderr] --> src/main.rs:92:17 Dec 05 03:23:06.341 INFO [stderr] | Dec 05 03:23:06.341 INFO [stderr] 92 | io::stdout().flush(); Dec 05 03:23:06.341 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 05 03:23:06.341 INFO [stderr] | Dec 05 03:23:06.341 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 05 03:23:06.341 INFO [stderr] Dec 05 03:23:06.341 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 05 03:23:06.341 INFO [stderr] --> src/main.rs:93:17 Dec 05 03:23:06.341 INFO [stderr] | Dec 05 03:23:06.341 INFO [stderr] 93 | io::stdin().read_line(&mut new_reward); Dec 05 03:23:06.341 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 05 03:23:06.341 INFO [stderr] | Dec 05 03:23:06.341 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 05 03:23:06.341 INFO [stderr] Dec 05 03:23:06.368 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.49s Dec 05 03:23:06.374 INFO [stderr] su: No module specific data is present Dec 05 03:23:06.717 INFO running `"docker" "inspect" "b4c4165be7c424f635709b3763f756962c1f3fca46acda831b8e46713b676e13"` Dec 05 03:23:06.831 INFO running `"docker" "rm" "-f" "b4c4165be7c424f635709b3763f756962c1f3fca46acda831b8e46713b676e13"` Dec 05 03:23:06.916 INFO [stdout] b4c4165be7c424f635709b3763f756962c1f3fca46acda831b8e46713b676e13