Nov 28 09:18:03.210 INFO checking arjanvaneersel/rust-blockchain against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074 Nov 28 09:18:03.212 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-0/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 28 09:18:03.584 INFO [stdout] 980fd671e9904c1bcc35bd797e3742a0c0039fb675a0460b5884d43b702191e5 Nov 28 09:18:03.586 INFO running `"docker" "start" "-a" "980fd671e9904c1bcc35bd797e3742a0c0039fb675a0460b5884d43b702191e5"` Nov 28 09:18:04.824 INFO [stderr] usermod: no changes Nov 28 09:18:04.952 INFO [stderr] Checking bfs v0.1.0 (/source) Nov 28 09:18:06.985 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 09:18:06.985 INFO [stderr] --> src/main.rs:17:5 Nov 28 09:18:06.985 INFO [stderr] | Nov 28 09:18:06.985 INFO [stderr] 17 | io::stdout().flush(); Nov 28 09:18:06.985 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 28 09:18:06.985 INFO [stderr] | Nov 28 09:18:06.985 INFO [stderr] = note: #[warn(unused_must_use)] on by default Nov 28 09:18:06.985 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 09:18:06.985 INFO [stderr] Nov 28 09:18:06.985 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 09:18:06.985 INFO [stderr] --> src/main.rs:18:5 Nov 28 09:18:06.985 INFO [stderr] | Nov 28 09:18:06.985 INFO [stderr] 18 | io::stdin().read_line(&mut miner_addr); Nov 28 09:18:06.985 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 09:18:06.985 INFO [stderr] | Nov 28 09:18:06.985 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 09:18:06.985 INFO [stderr] Nov 28 09:18:06.985 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 09:18:06.985 INFO [stderr] --> src/main.rs:21:5 Nov 28 09:18:06.985 INFO [stderr] | Nov 28 09:18:06.985 INFO [stderr] 21 | io::stdout().flush(); Nov 28 09:18:06.985 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 28 09:18:06.985 INFO [stderr] | Nov 28 09:18:06.985 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 09:18:06.985 INFO [stderr] Nov 28 09:18:06.985 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 09:18:06.985 INFO [stderr] --> src/main.rs:22:5 Nov 28 09:18:06.985 INFO [stderr] | Nov 28 09:18:06.985 INFO [stderr] 22 | io::stdin().read_line(&mut difficulty); Nov 28 09:18:06.985 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 09:18:06.985 INFO [stderr] | Nov 28 09:18:06.985 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 09:18:06.985 INFO [stderr] Nov 28 09:18:06.985 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 09:18:06.985 INFO [stderr] --> src/main.rs:36:9 Nov 28 09:18:06.985 INFO [stderr] | Nov 28 09:18:06.985 INFO [stderr] 36 | io::stdout().flush(); Nov 28 09:18:06.985 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 28 09:18:06.985 INFO [stderr] | Nov 28 09:18:06.985 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 09:18:06.985 INFO [stderr] Nov 28 09:18:06.985 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 09:18:06.985 INFO [stderr] --> src/main.rs:38:9 Nov 28 09:18:06.985 INFO [stderr] | Nov 28 09:18:06.985 INFO [stderr] 38 | io::stdin().read_line(&mut choice); Nov 28 09:18:06.985 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 09:18:06.985 INFO [stderr] | Nov 28 09:18:06.985 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 09:18:06.985 INFO [stderr] Nov 28 09:18:06.985 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 09:18:06.985 INFO [stderr] --> src/main.rs:52:17 Nov 28 09:18:06.985 INFO [stderr] | Nov 28 09:18:06.985 INFO [stderr] 52 | io::stdout().flush(); Nov 28 09:18:06.985 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 28 09:18:06.985 INFO [stderr] | Nov 28 09:18:06.985 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 09:18:06.985 INFO [stderr] Nov 28 09:18:06.985 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 09:18:06.985 INFO [stderr] --> src/main.rs:53:17 Nov 28 09:18:06.985 INFO [stderr] | Nov 28 09:18:06.985 INFO [stderr] 53 | io::stdin().read_line(&mut sender); Nov 28 09:18:06.985 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 09:18:06.985 INFO [stderr] | Nov 28 09:18:06.985 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 09:18:06.985 INFO [stderr] Nov 28 09:18:06.985 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 09:18:06.985 INFO [stderr] --> src/main.rs:56:17 Nov 28 09:18:06.985 INFO [stderr] | Nov 28 09:18:06.985 INFO [stderr] 56 | io::stdout().flush(); Nov 28 09:18:06.985 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 28 09:18:06.985 INFO [stderr] | Nov 28 09:18:06.985 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 09:18:06.985 INFO [stderr] Nov 28 09:18:06.986 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 09:18:06.986 INFO [stderr] --> src/main.rs:57:17 Nov 28 09:18:06.986 INFO [stderr] | Nov 28 09:18:06.986 INFO [stderr] 57 | io::stdin().read_line(&mut receiver); Nov 28 09:18:06.986 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 09:18:06.986 INFO [stderr] | Nov 28 09:18:06.986 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 09:18:06.986 INFO [stderr] Nov 28 09:18:06.986 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 09:18:06.986 INFO [stderr] --> src/main.rs:60:17 Nov 28 09:18:06.986 INFO [stderr] | Nov 28 09:18:06.986 INFO [stderr] 60 | io::stdout().flush(); Nov 28 09:18:06.986 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 28 09:18:06.986 INFO [stderr] | Nov 28 09:18:06.986 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 09:18:06.986 INFO [stderr] Nov 28 09:18:06.986 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 09:18:06.986 INFO [stderr] --> src/main.rs:61:17 Nov 28 09:18:06.986 INFO [stderr] | Nov 28 09:18:06.986 INFO [stderr] 61 | io::stdin().read_line(&mut amount); Nov 28 09:18:06.986 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 09:18:06.986 INFO [stderr] | Nov 28 09:18:06.986 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 09:18:06.986 INFO [stderr] Nov 28 09:18:06.986 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 09:18:06.986 INFO [stderr] --> src/main.rs:80:17 Nov 28 09:18:06.986 INFO [stderr] | Nov 28 09:18:06.986 INFO [stderr] 80 | io::stdout().flush(); Nov 28 09:18:06.986 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 28 09:18:06.986 INFO [stderr] | Nov 28 09:18:06.986 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 09:18:06.986 INFO [stderr] Nov 28 09:18:06.986 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 09:18:06.986 INFO [stderr] --> src/main.rs:81:17 Nov 28 09:18:06.986 INFO [stderr] | Nov 28 09:18:06.986 INFO [stderr] 81 | io::stdin().read_line(&mut new_diff); Nov 28 09:18:06.986 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 09:18:06.986 INFO [stderr] | Nov 28 09:18:06.986 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 09:18:06.986 INFO [stderr] Nov 28 09:18:06.986 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 09:18:06.986 INFO [stderr] --> src/main.rs:93:17 Nov 28 09:18:06.986 INFO [stderr] | Nov 28 09:18:06.986 INFO [stderr] 93 | io::stdout().flush(); Nov 28 09:18:06.986 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 28 09:18:06.986 INFO [stderr] | Nov 28 09:18:06.986 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 09:18:06.986 INFO [stderr] Nov 28 09:18:06.986 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 09:18:06.986 INFO [stderr] --> src/main.rs:94:17 Nov 28 09:18:06.986 INFO [stderr] | Nov 28 09:18:06.986 INFO [stderr] 94 | io::stdin().read_line(&mut new_reward); Nov 28 09:18:06.986 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 09:18:06.986 INFO [stderr] | Nov 28 09:18:06.986 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 09:18:06.986 INFO [stderr] Nov 28 09:18:07.121 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 09:18:07.121 INFO [stderr] --> src/main.rs:17:5 Nov 28 09:18:07.121 INFO [stderr] | Nov 28 09:18:07.121 INFO [stderr] 17 | io::stdout().flush(); Nov 28 09:18:07.121 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 28 09:18:07.121 INFO [stderr] | Nov 28 09:18:07.121 INFO [stderr] = note: #[warn(unused_must_use)] on by default Nov 28 09:18:07.121 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 09:18:07.121 INFO [stderr] Nov 28 09:18:07.121 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 09:18:07.121 INFO [stderr] --> src/main.rs:18:5 Nov 28 09:18:07.121 INFO [stderr] | Nov 28 09:18:07.121 INFO [stderr] 18 | io::stdin().read_line(&mut miner_addr); Nov 28 09:18:07.121 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 09:18:07.121 INFO [stderr] | Nov 28 09:18:07.121 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 09:18:07.121 INFO [stderr] Nov 28 09:18:07.121 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 09:18:07.121 INFO [stderr] --> src/main.rs:21:5 Nov 28 09:18:07.121 INFO [stderr] | Nov 28 09:18:07.121 INFO [stderr] 21 | io::stdout().flush(); Nov 28 09:18:07.121 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 28 09:18:07.121 INFO [stderr] | Nov 28 09:18:07.121 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 09:18:07.121 INFO [stderr] Nov 28 09:18:07.121 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 09:18:07.121 INFO [stderr] --> src/main.rs:22:5 Nov 28 09:18:07.121 INFO [stderr] | Nov 28 09:18:07.121 INFO [stderr] 22 | io::stdin().read_line(&mut difficulty); Nov 28 09:18:07.121 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 09:18:07.121 INFO [stderr] | Nov 28 09:18:07.121 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 09:18:07.121 INFO [stderr] Nov 28 09:18:07.121 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 09:18:07.121 INFO [stderr] --> src/main.rs:36:9 Nov 28 09:18:07.121 INFO [stderr] | Nov 28 09:18:07.121 INFO [stderr] 36 | io::stdout().flush(); Nov 28 09:18:07.121 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 28 09:18:07.121 INFO [stderr] | Nov 28 09:18:07.121 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 09:18:07.121 INFO [stderr] Nov 28 09:18:07.121 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 09:18:07.121 INFO [stderr] --> src/main.rs:38:9 Nov 28 09:18:07.121 INFO [stderr] | Nov 28 09:18:07.121 INFO [stderr] 38 | io::stdin().read_line(&mut choice); Nov 28 09:18:07.121 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 09:18:07.121 INFO [stderr] | Nov 28 09:18:07.121 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 09:18:07.121 INFO [stderr] Nov 28 09:18:07.121 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 09:18:07.121 INFO [stderr] --> src/main.rs:52:17 Nov 28 09:18:07.121 INFO [stderr] | Nov 28 09:18:07.121 INFO [stderr] 52 | io::stdout().flush(); Nov 28 09:18:07.121 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 28 09:18:07.121 INFO [stderr] | Nov 28 09:18:07.121 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 09:18:07.121 INFO [stderr] Nov 28 09:18:07.121 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 09:18:07.121 INFO [stderr] --> src/main.rs:53:17 Nov 28 09:18:07.121 INFO [stderr] | Nov 28 09:18:07.121 INFO [stderr] 53 | io::stdin().read_line(&mut sender); Nov 28 09:18:07.121 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 09:18:07.121 INFO [stderr] | Nov 28 09:18:07.122 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 09:18:07.122 INFO [stderr] Nov 28 09:18:07.122 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 09:18:07.122 INFO [stderr] --> src/main.rs:56:17 Nov 28 09:18:07.122 INFO [stderr] | Nov 28 09:18:07.122 INFO [stderr] 56 | io::stdout().flush(); Nov 28 09:18:07.122 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 28 09:18:07.122 INFO [stderr] | Nov 28 09:18:07.122 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 09:18:07.122 INFO [stderr] Nov 28 09:18:07.122 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 09:18:07.122 INFO [stderr] --> src/main.rs:57:17 Nov 28 09:18:07.122 INFO [stderr] | Nov 28 09:18:07.122 INFO [stderr] 57 | io::stdin().read_line(&mut receiver); Nov 28 09:18:07.122 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 09:18:07.122 INFO [stderr] | Nov 28 09:18:07.122 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 09:18:07.122 INFO [stderr] Nov 28 09:18:07.122 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 09:18:07.122 INFO [stderr] --> src/main.rs:60:17 Nov 28 09:18:07.122 INFO [stderr] | Nov 28 09:18:07.122 INFO [stderr] 60 | io::stdout().flush(); Nov 28 09:18:07.122 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 28 09:18:07.122 INFO [stderr] | Nov 28 09:18:07.122 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 09:18:07.122 INFO [stderr] Nov 28 09:18:07.122 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 09:18:07.122 INFO [stderr] --> src/main.rs:61:17 Nov 28 09:18:07.122 INFO [stderr] | Nov 28 09:18:07.122 INFO [stderr] 61 | io::stdin().read_line(&mut amount); Nov 28 09:18:07.122 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 09:18:07.122 INFO [stderr] | Nov 28 09:18:07.122 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 09:18:07.122 INFO [stderr] Nov 28 09:18:07.122 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 09:18:07.122 INFO [stderr] --> src/main.rs:80:17 Nov 28 09:18:07.122 INFO [stderr] | Nov 28 09:18:07.122 INFO [stderr] 80 | io::stdout().flush(); Nov 28 09:18:07.122 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 28 09:18:07.122 INFO [stderr] | Nov 28 09:18:07.122 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 09:18:07.122 INFO [stderr] Nov 28 09:18:07.122 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 09:18:07.122 INFO [stderr] --> src/main.rs:81:17 Nov 28 09:18:07.122 INFO [stderr] | Nov 28 09:18:07.122 INFO [stderr] 81 | io::stdin().read_line(&mut new_diff); Nov 28 09:18:07.122 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 09:18:07.122 INFO [stderr] | Nov 28 09:18:07.122 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 09:18:07.122 INFO [stderr] Nov 28 09:18:07.122 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 09:18:07.122 INFO [stderr] --> src/main.rs:93:17 Nov 28 09:18:07.122 INFO [stderr] | Nov 28 09:18:07.122 INFO [stderr] 93 | io::stdout().flush(); Nov 28 09:18:07.122 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 28 09:18:07.122 INFO [stderr] | Nov 28 09:18:07.122 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 09:18:07.122 INFO [stderr] Nov 28 09:18:07.122 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 28 09:18:07.122 INFO [stderr] --> src/main.rs:94:17 Nov 28 09:18:07.122 INFO [stderr] | Nov 28 09:18:07.122 INFO [stderr] 94 | io::stdin().read_line(&mut new_reward); Nov 28 09:18:07.122 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 28 09:18:07.122 INFO [stderr] | Nov 28 09:18:07.122 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 28 09:18:07.122 INFO [stderr] Nov 28 09:18:07.164 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.32s Nov 28 09:18:07.170 INFO [stderr] su: No module specific data is present Nov 28 09:18:08.205 INFO running `"docker" "inspect" "980fd671e9904c1bcc35bd797e3742a0c0039fb675a0460b5884d43b702191e5"` Nov 28 09:18:08.498 INFO running `"docker" "rm" "-f" "980fd671e9904c1bcc35bd797e3742a0c0039fb675a0460b5884d43b702191e5"` Nov 28 09:18:08.770 INFO [stdout] 980fd671e9904c1bcc35bd797e3742a0c0039fb675a0460b5884d43b702191e5