[INFO] cloning repository https://github.com/lapeko/udemy__rust-coding-for-beginners
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lapeko/udemy__rust-coding-for-beginners" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flapeko%2Fudemy__rust-coding-for-beginners", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flapeko%2Fudemy__rust-coding-for-beginners'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c56880dded892ad4a5165b03ee9010e9835e88c7
[INFO] testing lapeko/udemy__rust-coding-for-beginners against 1.83.0 for beta-1.84.0-4-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flapeko%2Fudemy__rust-coding-for-beginners" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lapeko/udemy__rust-coding-for-beginners on toolchain 1.83.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lapeko/udemy__rust-coding-for-beginners
[INFO] finished tweaking git repo https://github.com/lapeko/udemy__rust-coding-for-beginners
[INFO] tweaked toml for git repo https://github.com/lapeko/udemy__rust-coding-for-beginners written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/lapeko/udemy__rust-coding-for-beginners already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d67f14b9ced94f0144c509e34ff7116d8f4d22149eccdf0d37112708fdb316aa
[INFO] running `Command { std: "docker" "start" "-a" "d67f14b9ced94f0144c509e34ff7116d8f4d22149eccdf0d37112708fdb316aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d67f14b9ced94f0144c509e34ff7116d8f4d22149eccdf0d37112708fdb316aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d67f14b9ced94f0144c509e34ff7116d8f4d22149eccdf0d37112708fdb316aa", kill_on_drop: false }`
[INFO] [stdout] d67f14b9ced94f0144c509e34ff7116d8f4d22149eccdf0d37112708fdb316aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 397e8a868dc0c77c160cf394b1f8c49534c9cae12ee8f61c84ec1c5c49b3ab3c
[INFO] running `Command { std: "docker" "start" "-a" "397e8a868dc0c77c160cf394b1f8c49534c9cae12ee8f61c84ec1c5c49b3ab3c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-coding-for-beginners v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/example10-struct.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let mut flavor: &str;
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Vanilla` is never constructed
[INFO] [stdout]   --> src/bin/example10-struct.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | enum Flavor {
[INFO] [stdout]    |      ------ variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 24 |     Vanilla,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Marketing`, `Manager`, `LineSupervisor`, and `AssemblyTechnicians` are never constructed
[INFO] [stdout]  --> src/bin/example22-result.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Position {
[INFO] [stdout]   |      -------- variants in this enum
[INFO] [stdout] 2 |     Maintenance,
[INFO] [stdout] 3 |     Marketing,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 4 |     Manager,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 5 |     LineSupervisor,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 6 |     KitchenStaff,
[INFO] [stdout] 7 |     AssemblyTechnicians,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Red` is never constructed
[INFO] [stdout]   --> src/bin/example14-impl.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | enum Color {
[INFO] [stdout]    |      ----- variant in this enum
[INFO] [stdout] 21 |     Red,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Blue` is never constructed
[INFO] [stdout]  --> src/bin/example17-deriving-functionality.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum Color {
[INFO] [stdout]   |      ----- variant in this enum
[INFO] [stdout] 3 |     Red,
[INFO] [stdout] 4 |     Blue,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Color` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `age` and `favorite_color` are never read
[INFO] [stdout]   --> src/bin/example17-deriving-functionality.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | struct Person {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 9  |     age: i32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 10 |     favorite_color: Color,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Person` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Green` and `Blue` are never constructed
[INFO] [stdout]  --> src/bin/example9-enum.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Color {
[INFO] [stdout]   |      ----- variants in this enum
[INFO] [stdout] 2 |     Red,
[INFO] [stdout] 3 |     Green,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 4 |     Blue,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.58s
[INFO] running `Command { std: "docker" "inspect" "397e8a868dc0c77c160cf394b1f8c49534c9cae12ee8f61c84ec1c5c49b3ab3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "397e8a868dc0c77c160cf394b1f8c49534c9cae12ee8f61c84ec1c5c49b3ab3c", kill_on_drop: false }`
[INFO] [stdout] 397e8a868dc0c77c160cf394b1f8c49534c9cae12ee8f61c84ec1c5c49b3ab3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33f9d360f2ac94388310499053d1bf14abd15f930dcc39a9b786e69f0a2909ca
[INFO] running `Command { std: "docker" "start" "-a" "33f9d360f2ac94388310499053d1bf14abd15f930dcc39a9b786e69f0a2909ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-coding-for-beginners v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `Red` is never constructed
[INFO] [stdout]   --> src/bin/example14-impl.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | enum Color {
[INFO] [stdout]    |      ----- variant in this enum
[INFO] [stdout] 21 |     Red,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Blue` is never constructed
[INFO] [stdout]  --> src/bin/example17-deriving-functionality.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum Color {
[INFO] [stdout]   |      ----- variant in this enum
[INFO] [stdout] 3 |     Red,
[INFO] [stdout] 4 |     Blue,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Color` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `age` and `favorite_color` are never read
[INFO] [stdout]   --> src/bin/example17-deriving-functionality.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | struct Person {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 9  |     age: i32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 10 |     favorite_color: Color,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Person` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Green` and `Blue` are never constructed
[INFO] [stdout]  --> src/bin/example9-enum.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Color {
[INFO] [stdout]   |      ----- variants in this enum
[INFO] [stdout] 2 |     Red,
[INFO] [stdout] 3 |     Green,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 4 |     Blue,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/example10-struct.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let mut flavor: &str;
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Vanilla` is never constructed
[INFO] [stdout]   --> src/bin/example10-struct.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | enum Flavor {
[INFO] [stdout]    |      ------ variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 24 |     Vanilla,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Marketing`, `Manager`, `LineSupervisor`, and `AssemblyTechnicians` are never constructed
[INFO] [stdout]  --> src/bin/example22-result.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Position {
[INFO] [stdout]   |      -------- variants in this enum
[INFO] [stdout] 2 |     Maintenance,
[INFO] [stdout] 3 |     Marketing,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 4 |     Manager,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 5 |     LineSupervisor,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 6 |     KitchenStaff,
[INFO] [stdout] 7 |     AssemblyTechnicians,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.19s
[INFO] running `Command { std: "docker" "inspect" "33f9d360f2ac94388310499053d1bf14abd15f930dcc39a9b786e69f0a2909ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33f9d360f2ac94388310499053d1bf14abd15f930dcc39a9b786e69f0a2909ca", kill_on_drop: false }`
[INFO] [stdout] 33f9d360f2ac94388310499053d1bf14abd15f930dcc39a9b786e69f0a2909ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b780c7891e85b8b3faccc5420132d2f587703142de47f6b93da60ac6004db22f
[INFO] running `Command { std: "docker" "start" "-a" "b780c7891e85b8b3faccc5420132d2f587703142de47f6b93da60ac6004db22f", kill_on_drop: false }`
[INFO] [stderr] warning: variant `Red` is never constructed
[INFO] [stderr]   --> src/bin/example14-impl.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | enum Color {
[INFO] [stderr]    |      ----- variant in this enum
[INFO] [stderr] 21 |     Red,
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-coding-for-beginners` (bin "example14-impl" test) generated 1 warning
[INFO] [stderr] warning: variant `Blue` is never constructed
[INFO] [stderr]  --> src/bin/example17-deriving-functionality.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | enum Color {
[INFO] [stderr]   |      ----- variant in this enum
[INFO] [stderr] 3 |     Red,
[INFO] [stderr] 4 |     Blue,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Color` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `age` and `favorite_color` are never read
[INFO] [stderr]   --> src/bin/example17-deriving-functionality.rs:9:5
[INFO] [stderr]    |
[INFO] [stderr] 8  | struct Person {
[INFO] [stderr]    |        ------ fields in this struct
[INFO] [stderr] 9  |     age: i32,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 10 |     favorite_color: Color,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Person` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Marketing`, `Manager`, `LineSupervisor`, and `AssemblyTechnicians` are never constructed
[INFO] [stderr]  --> src/bin/example22-result.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | enum Position {
[INFO] [stderr]   |      -------- variants in this enum
[INFO] [stderr] 2 |     Maintenance,
[INFO] [stderr] 3 |     Marketing,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 4 |     Manager,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 5 |     LineSupervisor,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 6 |     KitchenStaff,
[INFO] [stderr] 7 |     AssemblyTechnicians,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Green` and `Blue` are never constructed
[INFO] [stderr]  --> src/bin/example9-enum.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | enum Color {
[INFO] [stderr]   |      ----- variants in this enum
[INFO] [stderr] 2 |     Red,
[INFO] [stderr] 3 |     Green,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 4 |     Blue,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-coding-for-beginners` (bin "example17-deriving-functionality" test) generated 2 warnings
[INFO] [stderr] warning: `rust-coding-for-beginners` (bin "example22-result" test) generated 1 warning
[INFO] [stderr] warning: `rust-coding-for-beginners` (bin "example9-enum" test) generated 1 warning
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/example10-struct.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let mut flavor: &str;
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Vanilla` is never constructed
[INFO] [stderr]   --> src/bin/example10-struct.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | enum Flavor {
[INFO] [stderr]    |      ------ variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 24 |     Vanilla,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-coding-for-beginners` (bin "example10-struct" test) generated 2 warnings (run `cargo fix --bin "example10-struct" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/bin/example1-basic-functions.rs (/opt/rustwide/target/debug/deps/example1_basic_functions-d86a7ef18f155204)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/example10-struct.rs (/opt/rustwide/target/debug/deps/example10_struct-bea846efb5d43e5f)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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] [stderr]      Running unittests src/bin/example11-tuple.rs (/opt/rustwide/target/debug/deps/example11_tuple-46a5b77de6ab1661)
[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] [stderr]      Running unittests src/bin/example12-expression-result.rs (/opt/rustwide/target/debug/deps/example12_expression_result-d5597a59a13d7015)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/bin/example13-ownership.rs (/opt/rustwide/target/debug/deps/example13_ownership-8a7b5fe8915bce78)
[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] [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] [stderr]      Running unittests src/bin/example14-impl.rs (/opt/rustwide/target/debug/deps/example14_impl-33c936dbe64ff49c)
[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] [stderr]      Running unittests src/bin/example15-vectors.rs (/opt/rustwide/target/debug/deps/example15_vectors-248911f1f9bb9709)
[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] [stderr]      Running unittests src/bin/example16-strings.rs (/opt/rustwide/target/debug/deps/example16_strings-987b41ea91ac869a)
[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] [stderr]      Running unittests src/bin/example17-deriving-functionality.rs (/opt/rustwide/target/debug/deps/example17_deriving_functionality-4a7708ef0ae1d5db)
[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] [stderr]      Running unittests src/bin/example18-advanced-match.rs (/opt/rustwide/target/debug/deps/example18_advanced_match-a0b7a3986ac3062a)
[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] [stderr]      Running unittests src/bin/example19-options.rs (/opt/rustwide/target/debug/deps/example19_options-05c7a0a04bc131f1)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/example2-basic-functions.rs (/opt/rustwide/target/debug/deps/example2_basic_functions-a2167cb3160d612a)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/example20-std-string.rs (/opt/rustwide/target/debug/deps/example20_std_string-5976b5454c4550ed)
[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] [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] [stderr]      Running unittests src/bin/example21-result.rs (/opt/rustwide/target/debug/deps/example21_result-450490b839b55ec6)
[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] [stderr]      Running unittests src/bin/example22-result.rs (/opt/rustwide/target/debug/deps/example22_result-c57c692feb32d014)
[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] [stderr]      Running unittests src/bin/example23-hash-map.rs (/opt/rustwide/target/debug/deps/example23_hash_map-b075ad5c5562f966)
[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] [stderr]      Running unittests src/bin/example3-conditions.rs (/opt/rustwide/target/debug/deps/example3_conditions-377100f0cdee79a2)
[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 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/example4-conditions.rs (/opt/rustwide/target/debug/deps/example4_conditions-5929d6fdd2cd92dd)
[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] [stderr]      Running unittests src/bin/example5-match.rs (/opt/rustwide/target/debug/deps/example5_match-2aed3a6e1f0e1583)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/example6-match.rs (/opt/rustwide/target/debug/deps/example6_match-b332fc58e798dcc1)
[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] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/example7-loop.rs (/opt/rustwide/target/debug/deps/example7_loop-d69cfcf470966837)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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] [stderr]      Running unittests src/bin/example8-while.rs (/opt/rustwide/target/debug/deps/example8_while-a45387a8069466d8)
[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] [stderr]      Running unittests src/bin/example9-enum.rs (/opt/rustwide/target/debug/deps/example9_enum-b61ef3b751ffac1c)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_coding_for_beginners-9d1319e3bcdc459f)
[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" "b780c7891e85b8b3faccc5420132d2f587703142de47f6b93da60ac6004db22f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b780c7891e85b8b3faccc5420132d2f587703142de47f6b93da60ac6004db22f", kill_on_drop: false }`
[INFO] [stdout] b780c7891e85b8b3faccc5420132d2f587703142de47f6b93da60ac6004db22f
