[INFO] cloning repository https://github.com/mmetzger2385/rust-tutorial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mmetzger2385/rust-tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmetzger2385%2Frust-tutorial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmetzger2385%2Frust-tutorial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fe337b8125c5afd72c4ea3b5d6b100664ecdc5ee
[INFO] testing mmetzger2385/rust-tutorial against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmetzger2385%2Frust-tutorial" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mmetzger2385/rust-tutorial on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mmetzger2385/rust-tutorial
[INFO] finished tweaking git repo https://github.com/mmetzger2385/rust-tutorial
[INFO] tweaked toml for git repo https://github.com/mmetzger2385/rust-tutorial written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/mmetzger2385/rust-tutorial already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3cd411b16a571a1ca0fe7e8b5f5694370cbf8f5735aa0b77fa5883fc2e3baf5
[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" "e3cd411b16a571a1ca0fe7e8b5f5694370cbf8f5735aa0b77fa5883fc2e3baf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3cd411b16a571a1ca0fe7e8b5f5694370cbf8f5735aa0b77fa5883fc2e3baf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3cd411b16a571a1ca0fe7e8b5f5694370cbf8f5735aa0b77fa5883fc2e3baf5", kill_on_drop: false }`
[INFO] [stdout] e3cd411b16a571a1ca0fe7e8b5f5694370cbf8f5735aa0b77fa5883fc2e3baf5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7934e7311e98dbf0c0a881e75d473be2e0c5d6ad51efb07eb9e82403be8d8f70
[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" "7934e7311e98dbf0c0a881e75d473be2e0c5d6ad51efb07eb9e82403be8d8f70", kill_on_drop: false }`
[INFO] [stderr]    Compiling tutorial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `low`
[INFO] [stdout]   --> src/main.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let (low, medium, high) = guess_count;
[INFO] [stdout]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_low`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `medium`
[INFO] [stdout]   --> src/main.rs:24:15
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let (low, medium, high) = guess_count;
[INFO] [stdout]    |               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_medium`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `high`
[INFO] [stdout]   --> src/main.rs:24:23
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let (low, medium, high) = guess_count;
[INFO] [stdout]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_high`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `low_guess`
[INFO] [stdout]   --> src/main.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let low_guess = guess_count.0;
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_low_guess`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `medium_guess`
[INFO] [stdout]   --> src/main.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let medium_guess = guess_count.1;
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_medium_guess`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `high_guess`
[INFO] [stdout]   --> src/main.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let high_guess = guess_count.2;
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_high_guess`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `low`
[INFO] [stdout]   --> src/main.rs:95:10
[INFO] [stdout]    |
[INFO] [stdout] 95 |     let (low, medium, high) = guess_count;
[INFO] [stdout]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_low`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `medium`
[INFO] [stdout]   --> src/main.rs:95:15
[INFO] [stdout]    |
[INFO] [stdout] 95 |     let (low, medium, high) = guess_count;
[INFO] [stdout]    |               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_medium`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `high`
[INFO] [stdout]   --> src/main.rs:95:23
[INFO] [stdout]    |
[INFO] [stdout] 95 |     let (low, medium, high) = guess_count;
[INFO] [stdout]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_high`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `low_guess`
[INFO] [stdout]   --> src/main.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let low_guess = guess_count.0;
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_low_guess`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `medium_guess`
[INFO] [stdout]   --> src/main.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |     let medium_guess = guess_count.1;
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_medium_guess`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `high_guess`
[INFO] [stdout]    --> src/main.rs:100:9
[INFO] [stdout]     |
[INFO] [stdout] 100 |     let high_guess = guess_count.2;
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_high_guess`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `count`
[INFO] [stdout]   --> src/main.rs:84:22
[INFO] [stdout]    |
[INFO] [stdout] 84 | fn interpret_results(count: i32){
[INFO] [stdout]    |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.08s
[INFO] running `Command { std: "docker" "inspect" "7934e7311e98dbf0c0a881e75d473be2e0c5d6ad51efb07eb9e82403be8d8f70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7934e7311e98dbf0c0a881e75d473be2e0c5d6ad51efb07eb9e82403be8d8f70", kill_on_drop: false }`
[INFO] [stdout] 7934e7311e98dbf0c0a881e75d473be2e0c5d6ad51efb07eb9e82403be8d8f70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a2dc1069d85dc13f7ccc641ef4fd9546a8c4341fc1ed9d4e6d06183dfaa82ab
[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" "8a2dc1069d85dc13f7ccc641ef4fd9546a8c4341fc1ed9d4e6d06183dfaa82ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling tutorial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `low`
[INFO] [stdout]   --> src/main.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let (low, medium, high) = guess_count;
[INFO] [stdout]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_low`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `medium`
[INFO] [stdout]   --> src/main.rs:24:15
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let (low, medium, high) = guess_count;
[INFO] [stdout]    |               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_medium`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `high`
[INFO] [stdout]   --> src/main.rs:24:23
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let (low, medium, high) = guess_count;
[INFO] [stdout]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_high`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `low_guess`
[INFO] [stdout]   --> src/main.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let low_guess = guess_count.0;
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_low_guess`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `medium_guess`
[INFO] [stdout]   --> src/main.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let medium_guess = guess_count.1;
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_medium_guess`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `high_guess`
[INFO] [stdout]   --> src/main.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let high_guess = guess_count.2;
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_high_guess`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `low`
[INFO] [stdout]   --> src/main.rs:95:10
[INFO] [stdout]    |
[INFO] [stdout] 95 |     let (low, medium, high) = guess_count;
[INFO] [stdout]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_low`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `medium`
[INFO] [stdout]   --> src/main.rs:95:15
[INFO] [stdout]    |
[INFO] [stdout] 95 |     let (low, medium, high) = guess_count;
[INFO] [stdout]    |               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_medium`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `high`
[INFO] [stdout]   --> src/main.rs:95:23
[INFO] [stdout]    |
[INFO] [stdout] 95 |     let (low, medium, high) = guess_count;
[INFO] [stdout]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_high`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `low_guess`
[INFO] [stdout]   --> src/main.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let low_guess = guess_count.0;
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_low_guess`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `medium_guess`
[INFO] [stdout]   --> src/main.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |     let medium_guess = guess_count.1;
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_medium_guess`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `high_guess`
[INFO] [stdout]    --> src/main.rs:100:9
[INFO] [stdout]     |
[INFO] [stdout] 100 |     let high_guess = guess_count.2;
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_high_guess`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `count`
[INFO] [stdout]   --> src/main.rs:84:22
[INFO] [stdout]    |
[INFO] [stdout] 84 | fn interpret_results(count: i32){
[INFO] [stdout]    |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.02s
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8a2dc1069d85dc13f7ccc641ef4fd9546a8c4341fc1ed9d4e6d06183dfaa82ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a2dc1069d85dc13f7ccc641ef4fd9546a8c4341fc1ed9d4e6d06183dfaa82ab", kill_on_drop: false }`
[INFO] [stdout] 8a2dc1069d85dc13f7ccc641ef4fd9546a8c4341fc1ed9d4e6d06183dfaa82ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 38f29a84618fed91f20fa95f6bfefa988bd3126b76cee2e895f38ebc7f7dbbc4
[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" "38f29a84618fed91f20fa95f6bfefa988bd3126b76cee2e895f38ebc7f7dbbc4", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `low`
[INFO] [stderr]   --> src/main.rs:24:10
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let (low, medium, high) = guess_count;
[INFO] [stderr]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_low`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `medium`
[INFO] [stderr]   --> src/main.rs:24:15
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let (low, medium, high) = guess_count;
[INFO] [stderr]    |               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_medium`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `high`
[INFO] [stderr]   --> src/main.rs:24:23
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let (low, medium, high) = guess_count;
[INFO] [stderr]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_high`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `low_guess`
[INFO] [stderr]   --> src/main.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let low_guess = guess_count.0;
[INFO] [stderr]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_low_guess`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `medium_guess`
[INFO] [stderr]   --> src/main.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let medium_guess = guess_count.1;
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_medium_guess`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `high_guess`
[INFO] [stderr]   --> src/main.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let high_guess = guess_count.2;
[INFO] [stderr]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_high_guess`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `low`
[INFO] [stderr]   --> src/main.rs:95:10
[INFO] [stderr]    |
[INFO] [stderr] 95 |     let (low, medium, high) = guess_count;
[INFO] [stderr]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_low`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `medium`
[INFO] [stderr]   --> src/main.rs:95:15
[INFO] [stderr]    |
[INFO] [stderr] 95 |     let (low, medium, high) = guess_count;
[INFO] [stderr]    |               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_medium`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `high`
[INFO] [stderr]   --> src/main.rs:95:23
[INFO] [stderr]    |
[INFO] [stderr] 95 |     let (low, medium, high) = guess_count;
[INFO] [stderr]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_high`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `low_guess`
[INFO] [stderr]   --> src/main.rs:98:9
[INFO] [stderr]    |
[INFO] [stderr] 98 |     let low_guess = guess_count.0;
[INFO] [stderr]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_low_guess`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `medium_guess`
[INFO] [stderr]   --> src/main.rs:99:9
[INFO] [stderr]    |
[INFO] [stderr] 99 |     let medium_guess = guess_count.1;
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_medium_guess`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `high_guess`
[INFO] [stderr]    --> src/main.rs:100:9
[INFO] [stderr]     |
[INFO] [stderr] 100 |     let high_guess = guess_count.2;
[INFO] [stderr]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_high_guess`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `count`
[INFO] [stderr]   --> src/main.rs:84:22
[INFO] [stderr]    |
[INFO] [stderr] 84 | fn interpret_results(count: i32){
[INFO] [stderr]    |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stderr] 
[INFO] [stderr] warning: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tutorial-9493570f78e23f80
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "38f29a84618fed91f20fa95f6bfefa988bd3126b76cee2e895f38ebc7f7dbbc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38f29a84618fed91f20fa95f6bfefa988bd3126b76cee2e895f38ebc7f7dbbc4", kill_on_drop: false }`
[INFO] [stdout] 38f29a84618fed91f20fa95f6bfefa988bd3126b76cee2e895f38ebc7f7dbbc4