Nov 01 08:31:29.825 INFO checking arjanvaneersel/rust-blockchain against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538 Nov 01 08:31:29.825 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-3/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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 01 08:31:30.288 INFO blam! cf380d6f1a4e35b0004e35345bec1a0df1f68a41bc901e08209d2cba6ea2e688 Nov 01 08:31:30.301 INFO running `"docker" "start" "-a" "cf380d6f1a4e35b0004e35345bec1a0df1f68a41bc901e08209d2cba6ea2e688"` Nov 01 08:31:31.605 INFO kablam! usermod: no changes Nov 01 08:31:31.771 INFO kablam! Checking itoa v0.4.0 Nov 01 08:31:32.416 INFO kablam! Checking serde_json v1.0.12 Nov 01 08:31:34.782 INFO kablam! Checking bfs v0.1.0 (/source) Nov 01 08:31:36.817 INFO kablam! warning: unused `std::result::Result` that must be used Nov 01 08:31:36.817 INFO kablam! --> src/main.rs:17:5 Nov 01 08:31:36.817 INFO kablam! | Nov 01 08:31:36.817 INFO kablam! 17 | io::stdout().flush(); Nov 01 08:31:36.817 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Nov 01 08:31:36.817 INFO kablam! | Nov 01 08:31:36.817 INFO kablam! = note: #[warn(unused_must_use)] on by default Nov 01 08:31:36.817 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 01 08:31:36.817 INFO kablam! Nov 01 08:31:36.817 INFO kablam! warning: unused `std::result::Result` that must be used Nov 01 08:31:36.817 INFO kablam! --> src/main.rs:18:5 Nov 01 08:31:36.817 INFO kablam! | Nov 01 08:31:36.817 INFO kablam! 18 | io::stdin().read_line(&mut miner_addr); Nov 01 08:31:36.817 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 01 08:31:36.817 INFO kablam! | Nov 01 08:31:36.817 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 01 08:31:36.817 INFO kablam! Nov 01 08:31:36.817 INFO kablam! warning: unused `std::result::Result` that must be used Nov 01 08:31:36.817 INFO kablam! --> src/main.rs:21:5 Nov 01 08:31:36.817 INFO kablam! | Nov 01 08:31:36.817 INFO kablam! 21 | io::stdout().flush(); Nov 01 08:31:36.817 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Nov 01 08:31:36.817 INFO kablam! | Nov 01 08:31:36.817 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 01 08:31:36.817 INFO kablam! Nov 01 08:31:36.817 INFO kablam! warning: unused `std::result::Result` that must be used Nov 01 08:31:36.817 INFO kablam! --> src/main.rs:22:5 Nov 01 08:31:36.817 INFO kablam! | Nov 01 08:31:36.817 INFO kablam! 22 | io::stdin().read_line(&mut difficulty); Nov 01 08:31:36.817 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 01 08:31:36.817 INFO kablam! | Nov 01 08:31:36.817 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 01 08:31:36.817 INFO kablam! Nov 01 08:31:36.817 INFO kablam! warning: unused `std::result::Result` that must be used Nov 01 08:31:36.817 INFO kablam! --> src/main.rs:36:9 Nov 01 08:31:36.817 INFO kablam! | Nov 01 08:31:36.817 INFO kablam! 36 | io::stdout().flush(); Nov 01 08:31:36.817 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Nov 01 08:31:36.817 INFO kablam! | Nov 01 08:31:36.817 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 01 08:31:36.817 INFO kablam! Nov 01 08:31:36.817 INFO kablam! warning: unused `std::result::Result` that must be used Nov 01 08:31:36.817 INFO kablam! --> src/main.rs:38:9 Nov 01 08:31:36.817 INFO kablam! | Nov 01 08:31:36.817 INFO kablam! 38 | io::stdin().read_line(&mut choice); Nov 01 08:31:36.817 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 01 08:31:36.817 INFO kablam! | Nov 01 08:31:36.817 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 01 08:31:36.817 INFO kablam! Nov 01 08:31:36.817 INFO kablam! warning: unused `std::result::Result` that must be used Nov 01 08:31:36.817 INFO kablam! --> src/main.rs:52:17 Nov 01 08:31:36.817 INFO kablam! | Nov 01 08:31:36.817 INFO kablam! 52 | io::stdout().flush(); Nov 01 08:31:36.817 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Nov 01 08:31:36.817 INFO kablam! | Nov 01 08:31:36.818 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 01 08:31:36.818 INFO kablam! Nov 01 08:31:36.818 INFO kablam! warning: unused `std::result::Result` that must be used Nov 01 08:31:36.818 INFO kablam! --> src/main.rs:53:17 Nov 01 08:31:36.818 INFO kablam! | Nov 01 08:31:36.818 INFO kablam! 53 | io::stdin().read_line(&mut sender); Nov 01 08:31:36.818 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 01 08:31:36.818 INFO kablam! | Nov 01 08:31:36.818 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 01 08:31:36.818 INFO kablam! Nov 01 08:31:36.818 INFO kablam! warning: unused `std::result::Result` that must be used Nov 01 08:31:36.818 INFO kablam! --> src/main.rs:56:17 Nov 01 08:31:36.818 INFO kablam! | Nov 01 08:31:36.818 INFO kablam! 56 | io::stdout().flush(); Nov 01 08:31:36.818 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Nov 01 08:31:36.818 INFO kablam! | Nov 01 08:31:36.818 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 01 08:31:36.818 INFO kablam! Nov 01 08:31:36.818 INFO kablam! warning: unused `std::result::Result` that must be used Nov 01 08:31:36.818 INFO kablam! --> src/main.rs:57:17 Nov 01 08:31:36.818 INFO kablam! | Nov 01 08:31:36.818 INFO kablam! 57 | io::stdin().read_line(&mut receiver); Nov 01 08:31:36.818 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 01 08:31:36.818 INFO kablam! | Nov 01 08:31:36.818 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 01 08:31:36.818 INFO kablam! Nov 01 08:31:36.818 INFO kablam! warning: unused `std::result::Result` that must be used Nov 01 08:31:36.818 INFO kablam! --> src/main.rs:60:17 Nov 01 08:31:36.818 INFO kablam! | Nov 01 08:31:36.818 INFO kablam! 60 | io::stdout().flush(); Nov 01 08:31:36.818 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Nov 01 08:31:36.818 INFO kablam! | Nov 01 08:31:36.818 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 01 08:31:36.818 INFO kablam! Nov 01 08:31:36.818 INFO kablam! warning: unused `std::result::Result` that must be used Nov 01 08:31:36.818 INFO kablam! --> src/main.rs:61:17 Nov 01 08:31:36.818 INFO kablam! | Nov 01 08:31:36.818 INFO kablam! 61 | io::stdin().read_line(&mut amount); Nov 01 08:31:36.818 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 01 08:31:36.818 INFO kablam! | Nov 01 08:31:36.818 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 01 08:31:36.818 INFO kablam! Nov 01 08:31:36.818 INFO kablam! warning: unused `std::result::Result` that must be used Nov 01 08:31:36.818 INFO kablam! --> src/main.rs:80:17 Nov 01 08:31:36.818 INFO kablam! | Nov 01 08:31:36.818 INFO kablam! 80 | io::stdout().flush(); Nov 01 08:31:36.818 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Nov 01 08:31:36.818 INFO kablam! | Nov 01 08:31:36.818 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 01 08:31:36.818 INFO kablam! Nov 01 08:31:36.818 INFO kablam! warning: unused `std::result::Result` that must be used Nov 01 08:31:36.818 INFO kablam! --> src/main.rs:81:17 Nov 01 08:31:36.818 INFO kablam! | Nov 01 08:31:36.818 INFO kablam! 81 | io::stdin().read_line(&mut new_diff); Nov 01 08:31:36.818 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 01 08:31:36.818 INFO kablam! | Nov 01 08:31:36.818 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 01 08:31:36.818 INFO kablam! Nov 01 08:31:36.818 INFO kablam! warning: unused `std::result::Result` that must be used Nov 01 08:31:36.818 INFO kablam! --> src/main.rs:93:17 Nov 01 08:31:36.818 INFO kablam! | Nov 01 08:31:36.818 INFO kablam! 93 | io::stdout().flush(); Nov 01 08:31:36.818 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Nov 01 08:31:36.818 INFO kablam! | Nov 01 08:31:36.818 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 01 08:31:36.818 INFO kablam! Nov 01 08:31:36.818 INFO kablam! warning: unused `std::result::Result` that must be used Nov 01 08:31:36.818 INFO kablam! --> src/main.rs:94:17 Nov 01 08:31:36.818 INFO kablam! | Nov 01 08:31:36.818 INFO kablam! 94 | io::stdin().read_line(&mut new_reward); Nov 01 08:31:36.818 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 01 08:31:36.818 INFO kablam! | Nov 01 08:31:36.818 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 01 08:31:36.818 INFO kablam! Nov 01 08:31:37.013 INFO kablam! warning: unused `std::result::Result` that must be used Nov 01 08:31:37.013 INFO kablam! --> src/main.rs:17:5 Nov 01 08:31:37.013 INFO kablam! | Nov 01 08:31:37.013 INFO kablam! 17 | io::stdout().flush(); Nov 01 08:31:37.013 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Nov 01 08:31:37.013 INFO kablam! | Nov 01 08:31:37.013 INFO kablam! = note: #[warn(unused_must_use)] on by default Nov 01 08:31:37.013 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 01 08:31:37.013 INFO kablam! Nov 01 08:31:37.014 INFO kablam! warning: unused `std::result::Result` that must be used Nov 01 08:31:37.014 INFO kablam! --> src/main.rs:18:5 Nov 01 08:31:37.014 INFO kablam! | Nov 01 08:31:37.014 INFO kablam! 18 | io::stdin().read_line(&mut miner_addr); Nov 01 08:31:37.014 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 01 08:31:37.014 INFO kablam! | Nov 01 08:31:37.014 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 01 08:31:37.014 INFO kablam! Nov 01 08:31:37.014 INFO kablam! warning: unused `std::result::Result` that must be used Nov 01 08:31:37.014 INFO kablam! --> src/main.rs:21:5 Nov 01 08:31:37.014 INFO kablam! | Nov 01 08:31:37.015 INFO kablam! 21 | io::stdout().flush(); Nov 01 08:31:37.015 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Nov 01 08:31:37.015 INFO kablam! | Nov 01 08:31:37.018 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 01 08:31:37.018 INFO kablam! Nov 01 08:31:37.018 INFO kablam! warning: unused `std::result::Result` that must be used Nov 01 08:31:37.018 INFO kablam! --> src/main.rs:22:5 Nov 01 08:31:37.018 INFO kablam! | Nov 01 08:31:37.018 INFO kablam! 22 | io::stdin().read_line(&mut difficulty); Nov 01 08:31:37.018 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 01 08:31:37.018 INFO kablam! | Nov 01 08:31:37.018 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 01 08:31:37.018 INFO kablam! Nov 01 08:31:37.018 INFO kablam! warning: unused `std::result::Result` that must be used Nov 01 08:31:37.018 INFO kablam! --> src/main.rs:36:9 Nov 01 08:31:37.018 INFO kablam! | Nov 01 08:31:37.018 INFO kablam! 36 | io::stdout().flush(); Nov 01 08:31:37.018 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Nov 01 08:31:37.018 INFO kablam! | Nov 01 08:31:37.018 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 01 08:31:37.018 INFO kablam! Nov 01 08:31:37.018 INFO kablam! warning: unused `std::result::Result` that must be used Nov 01 08:31:37.018 INFO kablam! --> src/main.rs:38:9 Nov 01 08:31:37.018 INFO kablam! | Nov 01 08:31:37.018 INFO kablam! 38 | io::stdin().read_line(&mut choice); Nov 01 08:31:37.018 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 01 08:31:37.018 INFO kablam! | Nov 01 08:31:37.018 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 01 08:31:37.018 INFO kablam! Nov 01 08:31:37.018 INFO kablam! warning: unused `std::result::Result` that must be used Nov 01 08:31:37.018 INFO kablam! --> src/main.rs:52:17 Nov 01 08:31:37.018 INFO kablam! | Nov 01 08:31:37.018 INFO kablam! 52 | io::stdout().flush(); Nov 01 08:31:37.018 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Nov 01 08:31:37.018 INFO kablam! | Nov 01 08:31:37.018 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 01 08:31:37.018 INFO kablam! Nov 01 08:31:37.018 INFO kablam! warning: unused `std::result::Result` that must be used Nov 01 08:31:37.018 INFO kablam! --> src/main.rs:53:17 Nov 01 08:31:37.018 INFO kablam! | Nov 01 08:31:37.019 INFO kablam! 53 | io::stdin().read_line(&mut sender); Nov 01 08:31:37.019 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 01 08:31:37.019 INFO kablam! | Nov 01 08:31:37.019 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 01 08:31:37.019 INFO kablam! Nov 01 08:31:37.019 INFO kablam! warning: unused `std::result::Result` that must be used Nov 01 08:31:37.019 INFO kablam! --> src/main.rs:56:17 Nov 01 08:31:37.019 INFO kablam! | Nov 01 08:31:37.019 INFO kablam! 56 | io::stdout().flush(); Nov 01 08:31:37.019 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Nov 01 08:31:37.019 INFO kablam! | Nov 01 08:31:37.019 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 01 08:31:37.019 INFO kablam! Nov 01 08:31:37.019 INFO kablam! warning: unused `std::result::Result` that must be used Nov 01 08:31:37.019 INFO kablam! --> src/main.rs:57:17 Nov 01 08:31:37.019 INFO kablam! | Nov 01 08:31:37.019 INFO kablam! 57 | io::stdin().read_line(&mut receiver); Nov 01 08:31:37.019 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 01 08:31:37.019 INFO kablam! | Nov 01 08:31:37.019 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 01 08:31:37.019 INFO kablam! Nov 01 08:31:37.019 INFO kablam! warning: unused `std::result::Result` that must be used Nov 01 08:31:37.019 INFO kablam! --> src/main.rs:60:17 Nov 01 08:31:37.019 INFO kablam! | Nov 01 08:31:37.019 INFO kablam! 60 | io::stdout().flush(); Nov 01 08:31:37.019 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Nov 01 08:31:37.019 INFO kablam! | Nov 01 08:31:37.019 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 01 08:31:37.019 INFO kablam! Nov 01 08:31:37.019 INFO kablam! warning: unused `std::result::Result` that must be used Nov 01 08:31:37.019 INFO kablam! --> src/main.rs:61:17 Nov 01 08:31:37.019 INFO kablam! | Nov 01 08:31:37.019 INFO kablam! 61 | io::stdin().read_line(&mut amount); Nov 01 08:31:37.019 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 01 08:31:37.019 INFO kablam! | Nov 01 08:31:37.019 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 01 08:31:37.019 INFO kablam! Nov 01 08:31:37.019 INFO kablam! warning: unused `std::result::Result` that must be used Nov 01 08:31:37.019 INFO kablam! --> src/main.rs:80:17 Nov 01 08:31:37.019 INFO kablam! | Nov 01 08:31:37.019 INFO kablam! 80 | io::stdout().flush(); Nov 01 08:31:37.019 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Nov 01 08:31:37.019 INFO kablam! | Nov 01 08:31:37.019 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 01 08:31:37.019 INFO kablam! Nov 01 08:31:37.019 INFO kablam! warning: unused `std::result::Result` that must be used Nov 01 08:31:37.019 INFO kablam! --> src/main.rs:81:17 Nov 01 08:31:37.019 INFO kablam! | Nov 01 08:31:37.019 INFO kablam! 81 | io::stdin().read_line(&mut new_diff); Nov 01 08:31:37.019 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 01 08:31:37.019 INFO kablam! | Nov 01 08:31:37.019 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 01 08:31:37.019 INFO kablam! Nov 01 08:31:37.019 INFO kablam! warning: unused `std::result::Result` that must be used Nov 01 08:31:37.019 INFO kablam! --> src/main.rs:93:17 Nov 01 08:31:37.019 INFO kablam! | Nov 01 08:31:37.019 INFO kablam! 93 | io::stdout().flush(); Nov 01 08:31:37.019 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Nov 01 08:31:37.019 INFO kablam! | Nov 01 08:31:37.019 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 01 08:31:37.019 INFO kablam! Nov 01 08:31:37.019 INFO kablam! warning: unused `std::result::Result` that must be used Nov 01 08:31:37.019 INFO kablam! --> src/main.rs:94:17 Nov 01 08:31:37.019 INFO kablam! | Nov 01 08:31:37.019 INFO kablam! 94 | io::stdin().read_line(&mut new_reward); Nov 01 08:31:37.019 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 01 08:31:37.019 INFO kablam! | Nov 01 08:31:37.019 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 01 08:31:37.019 INFO kablam! Nov 01 08:31:37.068 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 5.44s Nov 01 08:31:37.072 INFO kablam! su: No module specific data is present Nov 01 08:31:38.022 INFO running `"docker" "rm" "-f" "cf380d6f1a4e35b0004e35345bec1a0df1f68a41bc901e08209d2cba6ea2e688"` Nov 01 08:31:38.260 INFO blam! cf380d6f1a4e35b0004e35345bec1a0df1f68a41bc901e08209d2cba6ea2e688