Dec 04 19:57:54.490 INFO checking dennisfurrer/RustBlockchain against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481 Dec 04 19:57:54.490 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 04 19:57:54.851 INFO [stdout] 4ba5e681749f1b5196cb9fa068606f1eb591eeeaf39180512770e70944365f0e Dec 04 19:57:54.851 INFO running `"docker" "start" "-a" "4ba5e681749f1b5196cb9fa068606f1eb591eeeaf39180512770e70944365f0e"` Dec 04 19:57:56.163 INFO [stderr] usermod: no changes Dec 04 19:57:56.281 INFO [stderr] Checking blockchain v0.1.0 (/source) Dec 04 19:57:57.739 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 19:57:57.739 INFO [stderr] --> src/main.rs:18:5 Dec 04 19:57:57.739 INFO [stderr] | Dec 04 19:57:57.739 INFO [stderr] 18 | io::stdout().flush(); Dec 04 19:57:57.739 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 04 19:57:57.739 INFO [stderr] | Dec 04 19:57:57.739 INFO [stderr] = note: #[warn(unused_must_use)] on by default Dec 04 19:57:57.739 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 19:57:57.739 INFO [stderr] Dec 04 19:57:57.743 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 19:57:57.743 INFO [stderr] --> src/main.rs:19:5 Dec 04 19:57:57.743 INFO [stderr] | Dec 04 19:57:57.743 INFO [stderr] 19 | io::stdin().read_line(&mut miner_address); Dec 04 19:57:57.743 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 04 19:57:57.743 INFO [stderr] | Dec 04 19:57:57.743 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 19:57:57.743 INFO [stderr] Dec 04 19:57:57.743 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 19:57:57.743 INFO [stderr] --> src/main.rs:21:5 Dec 04 19:57:57.743 INFO [stderr] | Dec 04 19:57:57.743 INFO [stderr] 21 | io::stdout().flush(); Dec 04 19:57:57.743 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 04 19:57:57.743 INFO [stderr] | Dec 04 19:57:57.743 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 19:57:57.743 INFO [stderr] Dec 04 19:57:57.743 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 19:57:57.743 INFO [stderr] --> src/main.rs:22:5 Dec 04 19:57:57.743 INFO [stderr] | Dec 04 19:57:57.743 INFO [stderr] 22 | io::stdin().read_line(&mut difficulty); Dec 04 19:57:57.743 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 04 19:57:57.743 INFO [stderr] | Dec 04 19:57:57.743 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 19:57:57.743 INFO [stderr] Dec 04 19:57:57.743 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 19:57:57.743 INFO [stderr] --> src/main.rs:38:9 Dec 04 19:57:57.743 INFO [stderr] | Dec 04 19:57:57.743 INFO [stderr] 38 | io::stdout().flush(); Dec 04 19:57:57.743 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 04 19:57:57.743 INFO [stderr] | Dec 04 19:57:57.743 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 19:57:57.743 INFO [stderr] Dec 04 19:57:57.743 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 19:57:57.743 INFO [stderr] --> src/main.rs:40:9 Dec 04 19:57:57.743 INFO [stderr] | Dec 04 19:57:57.743 INFO [stderr] 40 | io::stdin().read_line(&mut choice); Dec 04 19:57:57.743 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 04 19:57:57.743 INFO [stderr] | Dec 04 19:57:57.743 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 19:57:57.743 INFO [stderr] Dec 04 19:57:57.743 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 19:57:57.743 INFO [stderr] --> src/main.rs:71:17 Dec 04 19:57:57.743 INFO [stderr] | Dec 04 19:57:57.743 INFO [stderr] 71 | io::stdout().flush(); Dec 04 19:57:57.743 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 04 19:57:57.743 INFO [stderr] | Dec 04 19:57:57.743 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 19:57:57.744 INFO [stderr] Dec 04 19:57:57.744 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 19:57:57.744 INFO [stderr] --> src/main.rs:72:17 Dec 04 19:57:57.744 INFO [stderr] | Dec 04 19:57:57.744 INFO [stderr] 72 | io::stdin().read_line(&mut from); Dec 04 19:57:57.744 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 04 19:57:57.744 INFO [stderr] | Dec 04 19:57:57.744 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 19:57:57.744 INFO [stderr] Dec 04 19:57:57.744 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 19:57:57.744 INFO [stderr] --> src/main.rs:74:17 Dec 04 19:57:57.744 INFO [stderr] | Dec 04 19:57:57.744 INFO [stderr] 74 | io::stdout().flush(); Dec 04 19:57:57.744 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 04 19:57:57.744 INFO [stderr] | Dec 04 19:57:57.744 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 19:57:57.744 INFO [stderr] Dec 04 19:57:57.744 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 19:57:57.744 INFO [stderr] --> src/main.rs:75:17 Dec 04 19:57:57.744 INFO [stderr] | Dec 04 19:57:57.744 INFO [stderr] 75 | io::stdin().read_line(&mut to); Dec 04 19:57:57.744 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 04 19:57:57.744 INFO [stderr] | Dec 04 19:57:57.744 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 19:57:57.744 INFO [stderr] Dec 04 19:57:57.744 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 19:57:57.744 INFO [stderr] --> src/main.rs:77:17 Dec 04 19:57:57.744 INFO [stderr] | Dec 04 19:57:57.744 INFO [stderr] 77 | io::stdout().flush(); Dec 04 19:57:57.744 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 04 19:57:57.744 INFO [stderr] | Dec 04 19:57:57.744 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 19:57:57.744 INFO [stderr] Dec 04 19:57:57.744 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 19:57:57.744 INFO [stderr] --> src/main.rs:78:17 Dec 04 19:57:57.744 INFO [stderr] | Dec 04 19:57:57.744 INFO [stderr] 78 | io::stdin().read_line(&mut amount); Dec 04 19:57:57.744 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 04 19:57:57.744 INFO [stderr] | Dec 04 19:57:57.744 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 19:57:57.744 INFO [stderr] Dec 04 19:57:57.744 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 19:57:57.744 INFO [stderr] --> src/main.rs:106:17 Dec 04 19:57:57.744 INFO [stderr] | Dec 04 19:57:57.744 INFO [stderr] 106 | io::stdout().flush(); Dec 04 19:57:57.744 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 04 19:57:57.744 INFO [stderr] | Dec 04 19:57:57.744 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 19:57:57.744 INFO [stderr] Dec 04 19:57:57.744 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 19:57:57.744 INFO [stderr] --> src/main.rs:107:17 Dec 04 19:57:57.744 INFO [stderr] | Dec 04 19:57:57.744 INFO [stderr] 107 | io::stdin().read_line(&mut new_diff); Dec 04 19:57:57.744 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 04 19:57:57.745 INFO [stderr] | Dec 04 19:57:57.745 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 19:57:57.745 INFO [stderr] Dec 04 19:57:57.745 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 19:57:57.745 INFO [stderr] --> src/main.rs:119:17 Dec 04 19:57:57.745 INFO [stderr] | Dec 04 19:57:57.745 INFO [stderr] 119 | io::stdout().flush(); Dec 04 19:57:57.745 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 04 19:57:57.745 INFO [stderr] | Dec 04 19:57:57.745 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 19:57:57.745 INFO [stderr] Dec 04 19:57:57.745 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 19:57:57.745 INFO [stderr] --> src/main.rs:120:17 Dec 04 19:57:57.745 INFO [stderr] | Dec 04 19:57:57.745 INFO [stderr] 120 | io::stdin().read_line(&mut new_reward); Dec 04 19:57:57.745 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 04 19:57:57.745 INFO [stderr] | Dec 04 19:57:57.745 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 19:57:57.745 INFO [stderr] Dec 04 19:57:57.890 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 19:57:57.890 INFO [stderr] --> src/main.rs:18:5 Dec 04 19:57:57.890 INFO [stderr] | Dec 04 19:57:57.890 INFO [stderr] 18 | io::stdout().flush(); Dec 04 19:57:57.890 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 04 19:57:57.890 INFO [stderr] | Dec 04 19:57:57.890 INFO [stderr] = note: #[warn(unused_must_use)] on by default Dec 04 19:57:57.890 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 19:57:57.890 INFO [stderr] Dec 04 19:57:57.890 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 19:57:57.890 INFO [stderr] --> src/main.rs:19:5 Dec 04 19:57:57.890 INFO [stderr] | Dec 04 19:57:57.890 INFO [stderr] 19 | io::stdin().read_line(&mut miner_address); Dec 04 19:57:57.890 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 04 19:57:57.890 INFO [stderr] | Dec 04 19:57:57.890 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 19:57:57.890 INFO [stderr] Dec 04 19:57:57.890 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 19:57:57.890 INFO [stderr] --> src/main.rs:21:5 Dec 04 19:57:57.890 INFO [stderr] | Dec 04 19:57:57.890 INFO [stderr] 21 | io::stdout().flush(); Dec 04 19:57:57.890 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 04 19:57:57.890 INFO [stderr] | Dec 04 19:57:57.890 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 19:57:57.891 INFO [stderr] Dec 04 19:57:57.891 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 19:57:57.891 INFO [stderr] --> src/main.rs:22:5 Dec 04 19:57:57.891 INFO [stderr] | Dec 04 19:57:57.891 INFO [stderr] 22 | io::stdin().read_line(&mut difficulty); Dec 04 19:57:57.891 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 04 19:57:57.891 INFO [stderr] | Dec 04 19:57:57.891 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 19:57:57.891 INFO [stderr] Dec 04 19:57:57.891 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 19:57:57.891 INFO [stderr] --> src/main.rs:38:9 Dec 04 19:57:57.891 INFO [stderr] | Dec 04 19:57:57.891 INFO [stderr] 38 | io::stdout().flush(); Dec 04 19:57:57.891 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 04 19:57:57.891 INFO [stderr] | Dec 04 19:57:57.891 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 19:57:57.891 INFO [stderr] Dec 04 19:57:57.891 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 19:57:57.891 INFO [stderr] --> src/main.rs:40:9 Dec 04 19:57:57.891 INFO [stderr] | Dec 04 19:57:57.891 INFO [stderr] 40 | io::stdin().read_line(&mut choice); Dec 04 19:57:57.891 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 04 19:57:57.891 INFO [stderr] | Dec 04 19:57:57.891 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 19:57:57.891 INFO [stderr] Dec 04 19:57:57.891 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 19:57:57.891 INFO [stderr] --> src/main.rs:71:17 Dec 04 19:57:57.891 INFO [stderr] | Dec 04 19:57:57.891 INFO [stderr] 71 | io::stdout().flush(); Dec 04 19:57:57.891 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 04 19:57:57.891 INFO [stderr] | Dec 04 19:57:57.891 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 19:57:57.891 INFO [stderr] Dec 04 19:57:57.891 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 19:57:57.891 INFO [stderr] --> src/main.rs:72:17 Dec 04 19:57:57.891 INFO [stderr] | Dec 04 19:57:57.891 INFO [stderr] 72 | io::stdin().read_line(&mut from); Dec 04 19:57:57.891 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 04 19:57:57.891 INFO [stderr] | Dec 04 19:57:57.891 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 19:57:57.891 INFO [stderr] Dec 04 19:57:57.891 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 19:57:57.891 INFO [stderr] --> src/main.rs:74:17 Dec 04 19:57:57.891 INFO [stderr] | Dec 04 19:57:57.891 INFO [stderr] 74 | io::stdout().flush(); Dec 04 19:57:57.891 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 04 19:57:57.891 INFO [stderr] | Dec 04 19:57:57.891 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 19:57:57.891 INFO [stderr] Dec 04 19:57:57.891 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 19:57:57.891 INFO [stderr] --> src/main.rs:75:17 Dec 04 19:57:57.891 INFO [stderr] | Dec 04 19:57:57.891 INFO [stderr] 75 | io::stdin().read_line(&mut to); Dec 04 19:57:57.891 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 04 19:57:57.891 INFO [stderr] | Dec 04 19:57:57.891 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 19:57:57.891 INFO [stderr] Dec 04 19:57:57.891 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 19:57:57.891 INFO [stderr] --> src/main.rs:77:17 Dec 04 19:57:57.891 INFO [stderr] | Dec 04 19:57:57.891 INFO [stderr] 77 | io::stdout().flush(); Dec 04 19:57:57.891 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 04 19:57:57.891 INFO [stderr] | Dec 04 19:57:57.891 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 19:57:57.891 INFO [stderr] Dec 04 19:57:57.891 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 19:57:57.891 INFO [stderr] --> src/main.rs:78:17 Dec 04 19:57:57.891 INFO [stderr] | Dec 04 19:57:57.891 INFO [stderr] 78 | io::stdin().read_line(&mut amount); Dec 04 19:57:57.891 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 04 19:57:57.891 INFO [stderr] | Dec 04 19:57:57.891 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 19:57:57.891 INFO [stderr] Dec 04 19:57:57.891 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 19:57:57.891 INFO [stderr] --> src/main.rs:106:17 Dec 04 19:57:57.891 INFO [stderr] | Dec 04 19:57:57.891 INFO [stderr] 106 | io::stdout().flush(); Dec 04 19:57:57.891 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 04 19:57:57.891 INFO [stderr] | Dec 04 19:57:57.891 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 19:57:57.891 INFO [stderr] Dec 04 19:57:57.891 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 19:57:57.891 INFO [stderr] --> src/main.rs:107:17 Dec 04 19:57:57.892 INFO [stderr] | Dec 04 19:57:57.892 INFO [stderr] 107 | io::stdin().read_line(&mut new_diff); Dec 04 19:57:57.892 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 04 19:57:57.892 INFO [stderr] | Dec 04 19:57:57.892 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 19:57:57.892 INFO [stderr] Dec 04 19:57:57.892 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 19:57:57.892 INFO [stderr] --> src/main.rs:119:17 Dec 04 19:57:57.892 INFO [stderr] | Dec 04 19:57:57.892 INFO [stderr] 119 | io::stdout().flush(); Dec 04 19:57:57.892 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 04 19:57:57.892 INFO [stderr] | Dec 04 19:57:57.892 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 19:57:57.892 INFO [stderr] Dec 04 19:57:57.892 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 19:57:57.892 INFO [stderr] --> src/main.rs:120:17 Dec 04 19:57:57.892 INFO [stderr] | Dec 04 19:57:57.892 INFO [stderr] 120 | io::stdin().read_line(&mut new_reward); Dec 04 19:57:57.892 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 04 19:57:57.892 INFO [stderr] | Dec 04 19:57:57.892 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 19:57:57.892 INFO [stderr] Dec 04 19:57:57.940 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.76s Dec 04 19:57:57.946 INFO [stderr] su: No module specific data is present Dec 04 19:57:58.923 INFO running `"docker" "inspect" "4ba5e681749f1b5196cb9fa068606f1eb591eeeaf39180512770e70944365f0e"` Dec 04 19:57:59.345 INFO running `"docker" "rm" "-f" "4ba5e681749f1b5196cb9fa068606f1eb591eeeaf39180512770e70944365f0e"` Dec 04 19:57:59.611 INFO [stdout] 4ba5e681749f1b5196cb9fa068606f1eb591eeeaf39180512770e70944365f0e