Nov 09 16:23:44.317 INFO checking arjanvaneersel/rust-blockchain against try#dc13be39fae8d4c607889b27de374b52586485a3 for pr-55632 Nov 09 16:23:44.318 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55632/worker-7/try#dc13be39fae8d4c607889b27de374b52586485a3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55632/try#dc13be39fae8d4c607889b27de374b52586485a3:/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 +dc13be39fae8d4c607889b27de374b52586485a3-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 09 16:23:44.859 INFO blam! 31bc35fd8bac16217d22dce4298e692440310bd0a1ee3f0e75a0648b26f5e4e8 Nov 09 16:23:44.859 INFO running `"docker" "start" "-a" "31bc35fd8bac16217d22dce4298e692440310bd0a1ee3f0e75a0648b26f5e4e8"` Nov 09 16:23:45.758 INFO kablam! usermod: no changes Nov 09 16:23:45.891 INFO kablam! Checking itoa v0.4.0 Nov 09 16:23:45.891 INFO kablam! Compiling serde_derive_internals v0.21.0 Nov 09 16:23:46.635 INFO kablam! Checking serde_json v1.0.12 Nov 09 16:23:52.727 INFO kablam! Compiling serde_derive v1.0.33 Nov 09 16:24:02.960 INFO kablam! Checking bfs v0.1.0 (/source) Nov 09 16:24:04.611 INFO kablam! warning: unused `std::result::Result` that must be used Nov 09 16:24:04.612 INFO kablam! --> src/main.rs:17:5 Nov 09 16:24:04.612 INFO kablam! | Nov 09 16:24:04.613 INFO kablam! 17 | io::stdout().flush(); Nov 09 16:24:04.614 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Nov 09 16:24:04.614 INFO kablam! | Nov 09 16:24:04.615 INFO kablam! = note: #[warn(unused_must_use)] on by default Nov 09 16:24:04.616 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 09 16:24:04.616 INFO kablam! Nov 09 16:24:04.617 INFO kablam! warning: unused `std::result::Result` that must be used Nov 09 16:24:04.617 INFO kablam! --> src/main.rs:18:5 Nov 09 16:24:04.618 INFO kablam! | Nov 09 16:24:04.619 INFO kablam! 18 | io::stdin().read_line(&mut miner_addr); Nov 09 16:24:04.619 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 09 16:24:04.620 INFO kablam! | Nov 09 16:24:04.621 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 09 16:24:04.621 INFO kablam! Nov 09 16:24:04.622 INFO kablam! warning: unused `std::result::Result` that must be used Nov 09 16:24:04.622 INFO kablam! --> src/main.rs:21:5 Nov 09 16:24:04.623 INFO kablam! | Nov 09 16:24:04.623 INFO kablam! 21 | io::stdout().flush(); Nov 09 16:24:04.624 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Nov 09 16:24:04.627 INFO kablam! | Nov 09 16:24:04.627 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 09 16:24:04.627 INFO kablam! Nov 09 16:24:04.627 INFO kablam! warning: unused `std::result::Result` that must be used Nov 09 16:24:04.627 INFO kablam! --> src/main.rs:22:5 Nov 09 16:24:04.627 INFO kablam! | Nov 09 16:24:04.627 INFO kablam! 22 | io::stdin().read_line(&mut difficulty); Nov 09 16:24:04.627 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 09 16:24:04.627 INFO kablam! | Nov 09 16:24:04.627 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 09 16:24:04.627 INFO kablam! Nov 09 16:24:04.627 INFO kablam! warning: unused `std::result::Result` that must be used Nov 09 16:24:04.627 INFO kablam! --> src/main.rs:36:9 Nov 09 16:24:04.627 INFO kablam! | Nov 09 16:24:04.627 INFO kablam! 36 | io::stdout().flush(); Nov 09 16:24:04.627 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Nov 09 16:24:04.627 INFO kablam! | Nov 09 16:24:04.627 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 09 16:24:04.627 INFO kablam! Nov 09 16:24:04.627 INFO kablam! warning: unused `std::result::Result` that must be used Nov 09 16:24:04.627 INFO kablam! --> src/main.rs:38:9 Nov 09 16:24:04.627 INFO kablam! | Nov 09 16:24:04.627 INFO kablam! 38 | io::stdin().read_line(&mut choice); Nov 09 16:24:04.627 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 09 16:24:04.627 INFO kablam! | Nov 09 16:24:04.627 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 09 16:24:04.627 INFO kablam! Nov 09 16:24:04.627 INFO kablam! warning: unused `std::result::Result` that must be used Nov 09 16:24:04.627 INFO kablam! --> src/main.rs:52:17 Nov 09 16:24:04.627 INFO kablam! | Nov 09 16:24:04.627 INFO kablam! 52 | io::stdout().flush(); Nov 09 16:24:04.627 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Nov 09 16:24:04.627 INFO kablam! | Nov 09 16:24:04.627 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 09 16:24:04.627 INFO kablam! Nov 09 16:24:04.627 INFO kablam! warning: unused `std::result::Result` that must be used Nov 09 16:24:04.627 INFO kablam! --> src/main.rs:53:17 Nov 09 16:24:04.627 INFO kablam! | Nov 09 16:24:04.627 INFO kablam! 53 | io::stdin().read_line(&mut sender); Nov 09 16:24:04.627 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 09 16:24:04.627 INFO kablam! | Nov 09 16:24:04.627 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 09 16:24:04.627 INFO kablam! Nov 09 16:24:04.627 INFO kablam! warning: unused `std::result::Result` that must be used Nov 09 16:24:04.627 INFO kablam! --> src/main.rs:56:17 Nov 09 16:24:04.627 INFO kablam! | Nov 09 16:24:04.627 INFO kablam! 56 | io::stdout().flush(); Nov 09 16:24:04.627 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Nov 09 16:24:04.627 INFO kablam! | Nov 09 16:24:04.627 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 09 16:24:04.627 INFO kablam! Nov 09 16:24:04.637 INFO kablam! warning: unused `std::result::Result` that must be used Nov 09 16:24:04.637 INFO kablam! --> src/main.rs:57:17 Nov 09 16:24:04.637 INFO kablam! | Nov 09 16:24:04.637 INFO kablam! 57 | io::stdin().read_line(&mut receiver); Nov 09 16:24:04.637 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 09 16:24:04.637 INFO kablam! | Nov 09 16:24:04.637 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 09 16:24:04.637 INFO kablam! Nov 09 16:24:04.637 INFO kablam! warning: unused `std::result::Result` that must be used Nov 09 16:24:04.637 INFO kablam! --> src/main.rs:60:17 Nov 09 16:24:04.637 INFO kablam! | Nov 09 16:24:04.637 INFO kablam! 60 | io::stdout().flush(); Nov 09 16:24:04.637 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Nov 09 16:24:04.637 INFO kablam! | Nov 09 16:24:04.637 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 09 16:24:04.637 INFO kablam! Nov 09 16:24:04.637 INFO kablam! warning: unused `std::result::Result` that must be used Nov 09 16:24:04.637 INFO kablam! --> src/main.rs:61:17 Nov 09 16:24:04.637 INFO kablam! | Nov 09 16:24:04.637 INFO kablam! 61 | io::stdin().read_line(&mut amount); Nov 09 16:24:04.637 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 09 16:24:04.637 INFO kablam! | Nov 09 16:24:04.637 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 09 16:24:04.637 INFO kablam! Nov 09 16:24:04.637 INFO kablam! warning: unused `std::result::Result` that must be used Nov 09 16:24:04.637 INFO kablam! --> src/main.rs:80:17 Nov 09 16:24:04.637 INFO kablam! | Nov 09 16:24:04.637 INFO kablam! 80 | io::stdout().flush(); Nov 09 16:24:04.637 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Nov 09 16:24:04.637 INFO kablam! | Nov 09 16:24:04.637 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 09 16:24:04.637 INFO kablam! Nov 09 16:24:04.637 INFO kablam! warning: unused `std::result::Result` that must be used Nov 09 16:24:04.637 INFO kablam! --> src/main.rs:81:17 Nov 09 16:24:04.637 INFO kablam! | Nov 09 16:24:04.637 INFO kablam! 81 | io::stdin().read_line(&mut new_diff); Nov 09 16:24:04.637 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 09 16:24:04.637 INFO kablam! | Nov 09 16:24:04.637 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 09 16:24:04.637 INFO kablam! Nov 09 16:24:04.637 INFO kablam! warning: unused `std::result::Result` that must be used Nov 09 16:24:04.637 INFO kablam! --> src/main.rs:93:17 Nov 09 16:24:04.637 INFO kablam! | Nov 09 16:24:04.637 INFO kablam! 93 | io::stdout().flush(); Nov 09 16:24:04.637 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Nov 09 16:24:04.637 INFO kablam! | Nov 09 16:24:04.637 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 09 16:24:04.637 INFO kablam! Nov 09 16:24:04.637 INFO kablam! warning: unused `std::result::Result` that must be used Nov 09 16:24:04.637 INFO kablam! --> src/main.rs:94:17 Nov 09 16:24:04.637 INFO kablam! | Nov 09 16:24:04.637 INFO kablam! 94 | io::stdin().read_line(&mut new_reward); Nov 09 16:24:04.637 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 09 16:24:04.637 INFO kablam! | Nov 09 16:24:04.637 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 09 16:24:04.638 INFO kablam! Nov 09 16:24:04.767 INFO kablam! warning: unused `std::result::Result` that must be used Nov 09 16:24:04.767 INFO kablam! --> src/main.rs:17:5 Nov 09 16:24:04.767 INFO kablam! | Nov 09 16:24:04.767 INFO kablam! 17 | io::stdout().flush(); Nov 09 16:24:04.767 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Nov 09 16:24:04.767 INFO kablam! | Nov 09 16:24:04.769 INFO kablam! = note: #[warn(unused_must_use)] on by default Nov 09 16:24:04.770 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 09 16:24:04.770 INFO kablam! Nov 09 16:24:04.770 INFO kablam! warning: unused `std::result::Result` that must be used Nov 09 16:24:04.770 INFO kablam! --> src/main.rs:18:5 Nov 09 16:24:04.770 INFO kablam! | Nov 09 16:24:04.770 INFO kablam! 18 | io::stdin().read_line(&mut miner_addr); Nov 09 16:24:04.770 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 09 16:24:04.770 INFO kablam! | Nov 09 16:24:04.770 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 09 16:24:04.770 INFO kablam! Nov 09 16:24:04.770 INFO kablam! warning: unused `std::result::Result` that must be used Nov 09 16:24:04.770 INFO kablam! --> src/main.rs:21:5 Nov 09 16:24:04.770 INFO kablam! | Nov 09 16:24:04.770 INFO kablam! 21 | io::stdout().flush(); Nov 09 16:24:04.770 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Nov 09 16:24:04.771 INFO kablam! | Nov 09 16:24:04.771 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 09 16:24:04.771 INFO kablam! Nov 09 16:24:04.771 INFO kablam! warning: unused `std::result::Result` that must be used Nov 09 16:24:04.771 INFO kablam! --> src/main.rs:22:5 Nov 09 16:24:04.771 INFO kablam! | Nov 09 16:24:04.771 INFO kablam! 22 | io::stdin().read_line(&mut difficulty); Nov 09 16:24:04.771 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 09 16:24:04.771 INFO kablam! | Nov 09 16:24:04.771 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 09 16:24:04.771 INFO kablam! Nov 09 16:24:04.771 INFO kablam! warning: unused `std::result::Result` that must be used Nov 09 16:24:04.771 INFO kablam! --> src/main.rs:36:9 Nov 09 16:24:04.771 INFO kablam! | Nov 09 16:24:04.771 INFO kablam! 36 | io::stdout().flush(); Nov 09 16:24:04.771 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Nov 09 16:24:04.771 INFO kablam! | Nov 09 16:24:04.771 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 09 16:24:04.771 INFO kablam! Nov 09 16:24:04.771 INFO kablam! warning: unused `std::result::Result` that must be used Nov 09 16:24:04.771 INFO kablam! --> src/main.rs:38:9 Nov 09 16:24:04.771 INFO kablam! | Nov 09 16:24:04.771 INFO kablam! 38 | io::stdin().read_line(&mut choice); Nov 09 16:24:04.771 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 09 16:24:04.771 INFO kablam! | Nov 09 16:24:04.771 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 09 16:24:04.771 INFO kablam! Nov 09 16:24:04.771 INFO kablam! warning: unused `std::result::Result` that must be used Nov 09 16:24:04.771 INFO kablam! --> src/main.rs:52:17 Nov 09 16:24:04.771 INFO kablam! | Nov 09 16:24:04.771 INFO kablam! 52 | io::stdout().flush(); Nov 09 16:24:04.771 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Nov 09 16:24:04.771 INFO kablam! | Nov 09 16:24:04.771 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 09 16:24:04.771 INFO kablam! Nov 09 16:24:04.771 INFO kablam! warning: unused `std::result::Result` that must be used Nov 09 16:24:04.771 INFO kablam! --> src/main.rs:53:17 Nov 09 16:24:04.771 INFO kablam! | Nov 09 16:24:04.771 INFO kablam! 53 | io::stdin().read_line(&mut sender); Nov 09 16:24:04.771 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 09 16:24:04.771 INFO kablam! | Nov 09 16:24:04.771 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 09 16:24:04.771 INFO kablam! Nov 09 16:24:04.771 INFO kablam! warning: unused `std::result::Result` that must be used Nov 09 16:24:04.771 INFO kablam! --> src/main.rs:56:17 Nov 09 16:24:04.771 INFO kablam! | Nov 09 16:24:04.771 INFO kablam! 56 | io::stdout().flush(); Nov 09 16:24:04.771 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Nov 09 16:24:04.771 INFO kablam! | Nov 09 16:24:04.771 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 09 16:24:04.771 INFO kablam! Nov 09 16:24:04.771 INFO kablam! warning: unused `std::result::Result` that must be used Nov 09 16:24:04.771 INFO kablam! --> src/main.rs:57:17 Nov 09 16:24:04.771 INFO kablam! | Nov 09 16:24:04.771 INFO kablam! 57 | io::stdin().read_line(&mut receiver); Nov 09 16:24:04.771 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 09 16:24:04.771 INFO kablam! | Nov 09 16:24:04.785 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 09 16:24:04.785 INFO kablam! Nov 09 16:24:04.785 INFO kablam! warning: unused `std::result::Result` that must be used Nov 09 16:24:04.785 INFO kablam! --> src/main.rs:60:17 Nov 09 16:24:04.785 INFO kablam! | Nov 09 16:24:04.785 INFO kablam! 60 | io::stdout().flush(); Nov 09 16:24:04.785 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Nov 09 16:24:04.785 INFO kablam! | Nov 09 16:24:04.785 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 09 16:24:04.785 INFO kablam! Nov 09 16:24:04.785 INFO kablam! warning: unused `std::result::Result` that must be used Nov 09 16:24:04.785 INFO kablam! --> src/main.rs:61:17 Nov 09 16:24:04.785 INFO kablam! | Nov 09 16:24:04.785 INFO kablam! 61 | io::stdin().read_line(&mut amount); Nov 09 16:24:04.785 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 09 16:24:04.785 INFO kablam! | Nov 09 16:24:04.785 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 09 16:24:04.785 INFO kablam! Nov 09 16:24:04.785 INFO kablam! warning: unused `std::result::Result` that must be used Nov 09 16:24:04.785 INFO kablam! --> src/main.rs:80:17 Nov 09 16:24:04.785 INFO kablam! | Nov 09 16:24:04.785 INFO kablam! 80 | io::stdout().flush(); Nov 09 16:24:04.785 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Nov 09 16:24:04.786 INFO kablam! | Nov 09 16:24:04.786 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 09 16:24:04.786 INFO kablam! Nov 09 16:24:04.786 INFO kablam! warning: unused `std::result::Result` that must be used Nov 09 16:24:04.786 INFO kablam! --> src/main.rs:81:17 Nov 09 16:24:04.786 INFO kablam! | Nov 09 16:24:04.786 INFO kablam! 81 | io::stdin().read_line(&mut new_diff); Nov 09 16:24:04.786 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 09 16:24:04.786 INFO kablam! | Nov 09 16:24:04.786 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 09 16:24:04.786 INFO kablam! Nov 09 16:24:04.786 INFO kablam! warning: unused `std::result::Result` that must be used Nov 09 16:24:04.786 INFO kablam! --> src/main.rs:93:17 Nov 09 16:24:04.786 INFO kablam! | Nov 09 16:24:04.786 INFO kablam! 93 | io::stdout().flush(); Nov 09 16:24:04.786 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Nov 09 16:24:04.786 INFO kablam! | Nov 09 16:24:04.786 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 09 16:24:04.786 INFO kablam! Nov 09 16:24:04.786 INFO kablam! warning: unused `std::result::Result` that must be used Nov 09 16:24:04.786 INFO kablam! --> src/main.rs:94:17 Nov 09 16:24:04.786 INFO kablam! | Nov 09 16:24:04.786 INFO kablam! 94 | io::stdin().read_line(&mut new_reward); Nov 09 16:24:04.786 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 09 16:24:04.786 INFO kablam! | Nov 09 16:24:04.786 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 09 16:24:04.786 INFO kablam! Nov 09 16:24:04.803 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 19.02s Nov 09 16:24:04.812 INFO kablam! su: No module specific data is present Nov 09 16:24:06.224 INFO running `"docker" "rm" "-f" "31bc35fd8bac16217d22dce4298e692440310bd0a1ee3f0e75a0648b26f5e4e8"` Nov 09 16:24:06.486 INFO blam! 31bc35fd8bac16217d22dce4298e692440310bd0a1ee3f0e75a0648b26f5e4e8