[INFO] updating cached repository https://github.com/AnthonyMBonafide/hangman-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7f1aabd11ec8b05a205263168a6c47dcebbd2506
[INFO] testing AnthonyMBonafide/hangman-rs against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnthonyMBonafide%2Fhangman-rs" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AnthonyMBonafide/hangman-rs on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AnthonyMBonafide/hangman-rs
[INFO] finished tweaking git repo https://github.com/AnthonyMBonafide/hangman-rs
[INFO] tweaked toml for git repo https://github.com/AnthonyMBonafide/hangman-rs written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/AnthonyMBonafide/hangman-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] faedf18f58422655595a7eed5a3c02c1361df492083a362865031b1eba987bc6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "faedf18f58422655595a7eed5a3c02c1361df492083a362865031b1eba987bc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "faedf18f58422655595a7eed5a3c02c1361df492083a362865031b1eba987bc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faedf18f58422655595a7eed5a3c02c1361df492083a362865031b1eba987bc6", kill_on_drop: false }`
[INFO] [stdout] faedf18f58422655595a7eed5a3c02c1361df492083a362865031b1eba987bc6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 641b7020df800c2d3564b026a80d461851ae9af1b0ace3816067c0c21a96d626
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "641b7020df800c2d3564b026a80d461851ae9af1b0ace3816067c0c21a96d626", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling hangman-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `io::input`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use io::input;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `io::output`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use io::output;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::io::input`
[INFO] [stdout]  --> src/hangman.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::io::input;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Normal`
[INFO] [stdout]  --> src/configuration.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     Normal,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Hard`
[INFO] [stdout]  --> src/configuration.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Hard,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `File`
[INFO] [stdout]  --> src/configuration.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     File,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `GUI`
[INFO] [stdout]   --> src/configuration.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     GUI,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Redis`
[INFO] [stdout]   --> src/configuration.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Redis,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `input`
[INFO] [stdout]   --> src/configuration.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     input: InputOutput,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `database`
[INFO] [stdout]   --> src/configuration.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     database: Database,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_output`
[INFO] [stdout]   --> src/configuration.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn get_output(&self) -> &InputOutput {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `configuration`
[INFO] [stdout]   --> src/hangman.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     configuration: Configuration,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/io/cli.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         handle.read_line(&mut buffer);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.33s
[INFO] running `Command { std: "docker" "inspect" "641b7020df800c2d3564b026a80d461851ae9af1b0ace3816067c0c21a96d626", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "641b7020df800c2d3564b026a80d461851ae9af1b0ace3816067c0c21a96d626", kill_on_drop: false }`
[INFO] [stdout] 641b7020df800c2d3564b026a80d461851ae9af1b0ace3816067c0c21a96d626
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1d7a61e4a605f484bdfd489cbc98e1239a2be5e83cfdf97ffd74720326db18a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a1d7a61e4a605f484bdfd489cbc98e1239a2be5e83cfdf97ffd74720326db18a", kill_on_drop: false }`
[INFO] [stderr]    Compiling hangman-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `io::input`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use io::input;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `io::output`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use io::output;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::io::input`
[INFO] [stdout]  --> src/hangman.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::io::input;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Normal`
[INFO] [stdout]  --> src/configuration.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     Normal,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Hard`
[INFO] [stdout]  --> src/configuration.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Hard,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `File`
[INFO] [stdout]  --> src/configuration.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     File,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `GUI`
[INFO] [stdout]   --> src/configuration.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     GUI,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Redis`
[INFO] [stdout]   --> src/configuration.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Redis,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `input`
[INFO] [stdout]   --> src/configuration.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     input: InputOutput,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `database`
[INFO] [stdout]   --> src/configuration.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     database: Database,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_output`
[INFO] [stdout]   --> src/configuration.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn get_output(&self) -> &InputOutput {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `configuration`
[INFO] [stdout]   --> src/hangman.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     configuration: Configuration,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/io/cli.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         handle.read_line(&mut buffer);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "a1d7a61e4a605f484bdfd489cbc98e1239a2be5e83cfdf97ffd74720326db18a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1d7a61e4a605f484bdfd489cbc98e1239a2be5e83cfdf97ffd74720326db18a", kill_on_drop: false }`
[INFO] [stdout] a1d7a61e4a605f484bdfd489cbc98e1239a2be5e83cfdf97ffd74720326db18a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ec9c1517b6ce4ad7b38888dbe7f0567bcb954ff2dfde76d723ce4408b4f561fc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ec9c1517b6ce4ad7b38888dbe7f0567bcb954ff2dfde76d723ce4408b4f561fc", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `io::input`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use io::input;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `io::output`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use io::output;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::io::input`
[INFO] [stderr]  --> src/hangman.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use crate::io::input;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Normal`
[INFO] [stderr]  --> src/configuration.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     Normal,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Hard`
[INFO] [stderr]  --> src/configuration.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     Hard,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `File`
[INFO] [stderr]  --> src/configuration.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     File,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `GUI`
[INFO] [stderr]   --> src/configuration.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     GUI,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Redis`
[INFO] [stderr]   --> src/configuration.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     Redis,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `input`
[INFO] [stderr]   --> src/configuration.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     input: InputOutput,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `database`
[INFO] [stderr]   --> src/configuration.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     database: Database,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_output`
[INFO] [stderr]   --> src/configuration.rs:47:12
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn get_output(&self) -> &InputOutput {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `configuration`
[INFO] [stderr]   --> src/hangman.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     configuration: Configuration,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/io/cli.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |         handle.read_line(&mut buffer);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hangman_rs-6fcecf34543e1fe9
[INFO] running `Command { std: "docker" "inspect" "ec9c1517b6ce4ad7b38888dbe7f0567bcb954ff2dfde76d723ce4408b4f561fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec9c1517b6ce4ad7b38888dbe7f0567bcb954ff2dfde76d723ce4408b4f561fc", kill_on_drop: false }`
[INFO] [stdout] ec9c1517b6ce4ad7b38888dbe7f0567bcb954ff2dfde76d723ce4408b4f561fc