Nov 29 23:30:17.681 INFO checking lempiy/blockchain against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323 Nov 29 23:30:17.681 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-4/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 29 23:30:18.196 INFO [stdout] 00698f1418284e564a1753072b11b9414698a3a4bd097e2ac8fa5bbafacd8ea0 Nov 29 23:30:18.200 INFO running `"docker" "start" "-a" "00698f1418284e564a1753072b11b9414698a3a4bd097e2ac8fa5bbafacd8ea0"` Nov 29 23:30:19.382 INFO [stderr] usermod: no changes Nov 29 23:30:19.504 INFO [stderr] Checking blockchain v0.1.0 (/source) Nov 29 23:30:20.945 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 29 23:30:20.945 INFO [stderr] --> src/main.rs:16:5 Nov 29 23:30:20.945 INFO [stderr] | Nov 29 23:30:20.945 INFO [stderr] 16 | io::stdout().flush(); Nov 29 23:30:20.945 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 29 23:30:20.945 INFO [stderr] | Nov 29 23:30:20.945 INFO [stderr] = note: #[warn(unused_must_use)] on by default Nov 29 23:30:20.945 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 29 23:30:20.945 INFO [stderr] Nov 29 23:30:20.945 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 29 23:30:20.945 INFO [stderr] --> src/main.rs:17:5 Nov 29 23:30:20.945 INFO [stderr] | Nov 29 23:30:20.945 INFO [stderr] 17 | io::stdin().read_line(&mut miner_addr); Nov 29 23:30:20.945 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 29 23:30:20.945 INFO [stderr] | Nov 29 23:30:20.945 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 29 23:30:20.945 INFO [stderr] Nov 29 23:30:20.945 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 29 23:30:20.945 INFO [stderr] --> src/main.rs:20:5 Nov 29 23:30:20.945 INFO [stderr] | Nov 29 23:30:20.945 INFO [stderr] 20 | io::stdout().flush(); Nov 29 23:30:20.945 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 29 23:30:20.945 INFO [stderr] | Nov 29 23:30:20.945 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 29 23:30:20.945 INFO [stderr] Nov 29 23:30:20.945 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 29 23:30:20.945 INFO [stderr] --> src/main.rs:21:5 Nov 29 23:30:20.945 INFO [stderr] | Nov 29 23:30:20.945 INFO [stderr] 21 | io::stdin().read_line(&mut difficulty); Nov 29 23:30:20.945 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 29 23:30:20.945 INFO [stderr] | Nov 29 23:30:20.945 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 29 23:30:20.945 INFO [stderr] Nov 29 23:30:20.945 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 29 23:30:20.945 INFO [stderr] --> src/main.rs:36:9 Nov 29 23:30:20.945 INFO [stderr] | Nov 29 23:30:20.945 INFO [stderr] 36 | io::stdout().flush(); Nov 29 23:30:20.945 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 29 23:30:20.945 INFO [stderr] | Nov 29 23:30:20.945 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 29 23:30:20.945 INFO [stderr] Nov 29 23:30:20.945 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 29 23:30:20.945 INFO [stderr] --> src/main.rs:38:9 Nov 29 23:30:20.945 INFO [stderr] | Nov 29 23:30:20.945 INFO [stderr] 38 | io::stdin().read_line(&mut choice); Nov 29 23:30:20.945 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 29 23:30:20.945 INFO [stderr] | Nov 29 23:30:20.945 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 29 23:30:20.945 INFO [stderr] Nov 29 23:30:20.945 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 29 23:30:20.945 INFO [stderr] --> src/main.rs:54:17 Nov 29 23:30:20.945 INFO [stderr] | Nov 29 23:30:20.945 INFO [stderr] 54 | io::stdout().flush(); Nov 29 23:30:20.945 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 29 23:30:20.945 INFO [stderr] | Nov 29 23:30:20.945 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 29 23:30:20.945 INFO [stderr] Nov 29 23:30:20.945 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 29 23:30:20.945 INFO [stderr] --> src/main.rs:55:17 Nov 29 23:30:20.945 INFO [stderr] | Nov 29 23:30:20.945 INFO [stderr] 55 | io::stdin().read_line(&mut sender); Nov 29 23:30:20.945 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 29 23:30:20.945 INFO [stderr] | Nov 29 23:30:20.945 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 29 23:30:20.945 INFO [stderr] Nov 29 23:30:20.945 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 29 23:30:20.945 INFO [stderr] --> src/main.rs:58:17 Nov 29 23:30:20.945 INFO [stderr] | Nov 29 23:30:20.945 INFO [stderr] 58 | io::stdout().flush(); Nov 29 23:30:20.945 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 29 23:30:20.945 INFO [stderr] | Nov 29 23:30:20.945 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 29 23:30:20.945 INFO [stderr] Nov 29 23:30:20.945 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 29 23:30:20.945 INFO [stderr] --> src/main.rs:59:17 Nov 29 23:30:20.945 INFO [stderr] | Nov 29 23:30:20.945 INFO [stderr] 59 | io::stdin().read_line(&mut reciever); Nov 29 23:30:20.945 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 29 23:30:20.945 INFO [stderr] | Nov 29 23:30:20.945 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 29 23:30:20.945 INFO [stderr] Nov 29 23:30:20.945 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 29 23:30:20.945 INFO [stderr] --> src/main.rs:62:17 Nov 29 23:30:20.945 INFO [stderr] | Nov 29 23:30:20.945 INFO [stderr] 62 | io::stdout().flush(); Nov 29 23:30:20.945 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 29 23:30:20.945 INFO [stderr] | Nov 29 23:30:20.945 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 29 23:30:20.945 INFO [stderr] Nov 29 23:30:20.945 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 29 23:30:20.945 INFO [stderr] --> src/main.rs:63:17 Nov 29 23:30:20.945 INFO [stderr] | Nov 29 23:30:20.945 INFO [stderr] 63 | io::stdin().read_line(&mut amount); Nov 29 23:30:20.946 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 29 23:30:20.946 INFO [stderr] | Nov 29 23:30:20.946 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 29 23:30:20.946 INFO [stderr] Nov 29 23:30:20.952 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 29 23:30:20.952 INFO [stderr] --> src/main.rs:85:17 Nov 29 23:30:20.952 INFO [stderr] | Nov 29 23:30:20.952 INFO [stderr] 85 | io::stdout().flush(); Nov 29 23:30:20.952 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 29 23:30:20.952 INFO [stderr] | Nov 29 23:30:20.952 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 29 23:30:20.952 INFO [stderr] Nov 29 23:30:20.952 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 29 23:30:20.952 INFO [stderr] --> src/main.rs:86:17 Nov 29 23:30:20.952 INFO [stderr] | Nov 29 23:30:20.952 INFO [stderr] 86 | io::stdin().read_line(&mut new_diff); Nov 29 23:30:20.952 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 29 23:30:20.952 INFO [stderr] | Nov 29 23:30:20.952 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 29 23:30:20.952 INFO [stderr] Nov 29 23:30:20.952 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 29 23:30:20.952 INFO [stderr] --> src/main.rs:96:17 Nov 29 23:30:20.952 INFO [stderr] | Nov 29 23:30:20.952 INFO [stderr] 96 | io::stdout().flush(); Nov 29 23:30:20.952 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 29 23:30:20.952 INFO [stderr] | Nov 29 23:30:20.952 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 29 23:30:20.952 INFO [stderr] Nov 29 23:30:20.952 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 29 23:30:20.952 INFO [stderr] --> src/main.rs:97:17 Nov 29 23:30:20.953 INFO [stderr] | Nov 29 23:30:20.953 INFO [stderr] 97 | io::stdin().read_line(&mut new_reward); Nov 29 23:30:20.953 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 29 23:30:20.953 INFO [stderr] | Nov 29 23:30:20.953 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 29 23:30:20.953 INFO [stderr] Nov 29 23:30:21.056 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 29 23:30:21.056 INFO [stderr] --> src/main.rs:16:5 Nov 29 23:30:21.056 INFO [stderr] | Nov 29 23:30:21.056 INFO [stderr] 16 | io::stdout().flush(); Nov 29 23:30:21.056 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 29 23:30:21.056 INFO [stderr] | Nov 29 23:30:21.056 INFO [stderr] = note: #[warn(unused_must_use)] on by default Nov 29 23:30:21.056 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 29 23:30:21.056 INFO [stderr] Nov 29 23:30:21.056 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 29 23:30:21.056 INFO [stderr] --> src/main.rs:17:5 Nov 29 23:30:21.056 INFO [stderr] | Nov 29 23:30:21.056 INFO [stderr] 17 | io::stdin().read_line(&mut miner_addr); Nov 29 23:30:21.056 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 29 23:30:21.056 INFO [stderr] | Nov 29 23:30:21.057 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 29 23:30:21.057 INFO [stderr] Nov 29 23:30:21.057 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 29 23:30:21.057 INFO [stderr] --> src/main.rs:20:5 Nov 29 23:30:21.057 INFO [stderr] | Nov 29 23:30:21.057 INFO [stderr] 20 | io::stdout().flush(); Nov 29 23:30:21.057 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 29 23:30:21.057 INFO [stderr] | Nov 29 23:30:21.057 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 29 23:30:21.057 INFO [stderr] Nov 29 23:30:21.057 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 29 23:30:21.057 INFO [stderr] --> src/main.rs:21:5 Nov 29 23:30:21.057 INFO [stderr] | Nov 29 23:30:21.057 INFO [stderr] 21 | io::stdin().read_line(&mut difficulty); Nov 29 23:30:21.057 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 29 23:30:21.057 INFO [stderr] | Nov 29 23:30:21.057 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 29 23:30:21.057 INFO [stderr] Nov 29 23:30:21.057 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 29 23:30:21.057 INFO [stderr] --> src/main.rs:36:9 Nov 29 23:30:21.057 INFO [stderr] | Nov 29 23:30:21.057 INFO [stderr] 36 | io::stdout().flush(); Nov 29 23:30:21.057 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 29 23:30:21.057 INFO [stderr] | Nov 29 23:30:21.057 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 29 23:30:21.057 INFO [stderr] Nov 29 23:30:21.057 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 29 23:30:21.057 INFO [stderr] --> src/main.rs:38:9 Nov 29 23:30:21.057 INFO [stderr] | Nov 29 23:30:21.057 INFO [stderr] 38 | io::stdin().read_line(&mut choice); Nov 29 23:30:21.057 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 29 23:30:21.057 INFO [stderr] | Nov 29 23:30:21.057 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 29 23:30:21.057 INFO [stderr] Nov 29 23:30:21.057 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 29 23:30:21.057 INFO [stderr] --> src/main.rs:54:17 Nov 29 23:30:21.057 INFO [stderr] | Nov 29 23:30:21.057 INFO [stderr] 54 | io::stdout().flush(); Nov 29 23:30:21.057 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 29 23:30:21.057 INFO [stderr] | Nov 29 23:30:21.057 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 29 23:30:21.057 INFO [stderr] Nov 29 23:30:21.057 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 29 23:30:21.057 INFO [stderr] --> src/main.rs:55:17 Nov 29 23:30:21.057 INFO [stderr] | Nov 29 23:30:21.057 INFO [stderr] 55 | io::stdin().read_line(&mut sender); Nov 29 23:30:21.057 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 29 23:30:21.057 INFO [stderr] | Nov 29 23:30:21.058 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 29 23:30:21.058 INFO [stderr] Nov 29 23:30:21.058 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 29 23:30:21.058 INFO [stderr] --> src/main.rs:58:17 Nov 29 23:30:21.058 INFO [stderr] | Nov 29 23:30:21.058 INFO [stderr] 58 | io::stdout().flush(); Nov 29 23:30:21.058 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 29 23:30:21.058 INFO [stderr] | Nov 29 23:30:21.058 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 29 23:30:21.058 INFO [stderr] Nov 29 23:30:21.058 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 29 23:30:21.058 INFO [stderr] --> src/main.rs:59:17 Nov 29 23:30:21.058 INFO [stderr] | Nov 29 23:30:21.058 INFO [stderr] 59 | io::stdin().read_line(&mut reciever); Nov 29 23:30:21.058 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 29 23:30:21.058 INFO [stderr] | Nov 29 23:30:21.058 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 29 23:30:21.058 INFO [stderr] Nov 29 23:30:21.058 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 29 23:30:21.058 INFO [stderr] --> src/main.rs:62:17 Nov 29 23:30:21.058 INFO [stderr] | Nov 29 23:30:21.058 INFO [stderr] 62 | io::stdout().flush(); Nov 29 23:30:21.058 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 29 23:30:21.058 INFO [stderr] | Nov 29 23:30:21.058 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 29 23:30:21.058 INFO [stderr] Nov 29 23:30:21.058 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 29 23:30:21.058 INFO [stderr] --> src/main.rs:63:17 Nov 29 23:30:21.058 INFO [stderr] | Nov 29 23:30:21.058 INFO [stderr] 63 | io::stdin().read_line(&mut amount); Nov 29 23:30:21.058 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 29 23:30:21.058 INFO [stderr] | Nov 29 23:30:21.058 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 29 23:30:21.058 INFO [stderr] Nov 29 23:30:21.058 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 29 23:30:21.058 INFO [stderr] --> src/main.rs:85:17 Nov 29 23:30:21.058 INFO [stderr] | Nov 29 23:30:21.058 INFO [stderr] 85 | io::stdout().flush(); Nov 29 23:30:21.058 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 29 23:30:21.058 INFO [stderr] | Nov 29 23:30:21.058 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 29 23:30:21.058 INFO [stderr] Nov 29 23:30:21.058 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 29 23:30:21.058 INFO [stderr] --> src/main.rs:86:17 Nov 29 23:30:21.058 INFO [stderr] | Nov 29 23:30:21.058 INFO [stderr] 86 | io::stdin().read_line(&mut new_diff); Nov 29 23:30:21.058 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 29 23:30:21.058 INFO [stderr] | Nov 29 23:30:21.058 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 29 23:30:21.058 INFO [stderr] Nov 29 23:30:21.058 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 29 23:30:21.058 INFO [stderr] --> src/main.rs:96:17 Nov 29 23:30:21.058 INFO [stderr] | Nov 29 23:30:21.058 INFO [stderr] 96 | io::stdout().flush(); Nov 29 23:30:21.058 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 29 23:30:21.058 INFO [stderr] | Nov 29 23:30:21.058 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 29 23:30:21.058 INFO [stderr] Nov 29 23:30:21.058 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 29 23:30:21.058 INFO [stderr] --> src/main.rs:97:17 Nov 29 23:30:21.058 INFO [stderr] | Nov 29 23:30:21.058 INFO [stderr] 97 | io::stdin().read_line(&mut new_reward); Nov 29 23:30:21.058 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 29 23:30:21.058 INFO [stderr] | Nov 29 23:30:21.058 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 29 23:30:21.058 INFO [stderr] Nov 29 23:30:21.109 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.70s Nov 29 23:30:21.125 INFO [stderr] su: No module specific data is present Nov 29 23:30:21.941 INFO running `"docker" "inspect" "00698f1418284e564a1753072b11b9414698a3a4bd097e2ac8fa5bbafacd8ea0"` Nov 29 23:30:22.346 INFO running `"docker" "rm" "-f" "00698f1418284e564a1753072b11b9414698a3a4bd097e2ac8fa5bbafacd8ea0"` Nov 29 23:30:22.640 INFO [stdout] 00698f1418284e564a1753072b11b9414698a3a4bd097e2ac8fa5bbafacd8ea0