[INFO] cloning repository https://github.com/obah/rust_lesson_1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/obah/rust_lesson_1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fobah%2Frust_lesson_1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fobah%2Frust_lesson_1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 95ff5136aea2dcd80894c3f0b0f67923ff6b585c
[INFO] checking obah/rust_lesson_1 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fobah%2Frust_lesson_1" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/obah/rust_lesson_1
[INFO] finished tweaking git repo https://github.com/obah/rust_lesson_1
[INFO] tweaked toml for git repo https://github.com/obah/rust_lesson_1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/obah/rust_lesson_1 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/obah/rust_lesson_1 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bbb2e87548c4089cc83c2c7047eb2ec3f5a433723f786c8001de65aa18fa6cdd
[INFO] running `Command { std: "docker" "start" "-a" "bbb2e87548c4089cc83c2c7047eb2ec3f5a433723f786c8001de65aa18fa6cdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbb2e87548c4089cc83c2c7047eb2ec3f5a433723f786c8001de65aa18fa6cdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbb2e87548c4089cc83c2c7047eb2ec3f5a433723f786c8001de65aa18fa6cdd", kill_on_drop: false }`
[INFO] [stdout] bbb2e87548c4089cc83c2c7047eb2ec3f5a433723f786c8001de65aa18fa6cdd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35a9667af57f85f132ae21496b0717afd9bc2cb7fa4c7d83ca223aaba76dc0a0
[INFO] running `Command { std: "docker" "start" "-a" "35a9667af57f85f132ae21496b0717afd9bc2cb7fa4c7d83ca223aaba76dc0a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling libc v0.2.161
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.85
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking lesson_1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused label
[INFO] [stdout]   --> src/control_flow.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         'inner: loop {
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_labels)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]   --> src/control_flow.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         'inner: loop {
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_labels)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/control_flow.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |             break 'outer; //breaks the outer loop and hence the entire loop
[INFO] [stdout]    |             ------------ any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 50 |         println!("This code is never reached");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/control_flow.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |             break 'outer; //breaks the outer loop and hence the entire loop
[INFO] [stdout]    |             ------------ any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 50 |         println!("This code is never reached");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/control_flow.rs:128:33
[INFO] [stdout]     |
[INFO] [stdout] 128 |         Temperature::Fahrenheit(y) => println!("Dont care, use celcius"),
[INFO] [stdout]     |                                 ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/control_flow.rs:128:33
[INFO] [stdout]     |
[INFO] [stdout] 128 |         Temperature::Fahrenheit(y) => println!("Dont care, use celcius"),
[INFO] [stdout]     |                                 ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `role`
[INFO] [stdout]    --> src/main.rs:249:9
[INFO] [stdout]     |
[INFO] [stdout] 249 |     let role = Student;
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_role`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `custom_val`
[INFO] [stdout]    --> src/main.rs:287:9
[INFO] [stdout]     |
[INFO] [stdout] 287 |     let custom_val: CustomType = 20 as u64;
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_custom_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Teacher` is never constructed
[INFO] [stdout]   --> src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | enum Role {
[INFO] [stdout]    |      ---- variant in this enum
[INFO] [stdout] 24 |     Student,
[INFO] [stdout] 25 |     Teacher,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Black` is never constructed
[INFO] [stdout]   --> src/main.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | enum Color {
[INFO] [stdout]    |      ----- variant in this enum
[INFO] [stdout] 30 |     Black = 0x000000,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/main.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 | struct Pair(i32, f32);
[INFO] [stdout]    |        ---- ^^^  ^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing these fields
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `height` are never read
[INFO] [stdout]   --> src/main.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 53 | struct Person {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 54 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 55 |     height: f32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/main.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 59 | struct Number {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 60 |     value: i32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Number` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Temperature` is never used
[INFO] [stdout]  --> src/control_flow.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Temperature {
[INFO] [stdout]   |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `regular_loop` is never used
[INFO] [stdout]  --> src/control_flow.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn regular_loop() -> u32 {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_loop` is never used
[INFO] [stdout]   --> src/control_flow.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn get_loop() {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `nested_loop` is never used
[INFO] [stdout]   --> src/control_flow.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn nested_loop() {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fizzbuzz` is never used
[INFO] [stdout]   --> src/control_flow.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub fn fizzbuzz() {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `for_loop` is never used
[INFO] [stdout]   --> src/control_flow.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub fn for_loop() {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `age` is never used
[INFO] [stdout]   --> src/control_flow.rs:85:4
[INFO] [stdout]    |
[INFO] [stdout] 85 | fn age() -> u32 {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `match_loop` is never used
[INFO] [stdout]   --> src/control_flow.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 | pub fn match_loop(num: u32, boolean: bool) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `private_fn` is never used
[INFO] [stdout]  --> src/test_mod.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn private_fn() {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `private_fn` is never used
[INFO] [stdout]   --> src/test_mod.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn private_fn() {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `public_function_in_test_mod` is never used
[INFO] [stdout]   --> src/test_mod.rs:16:32
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub(in crate::test_mod) fn public_function_in_test_mod() {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `public_function_in_nested` is never used
[INFO] [stdout]   --> src/test_mod.rs:23:18
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub(self) fn public_function_in_nested() {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `public_function_in_super_mod` is never used
[INFO] [stdout]   --> src/test_mod.rs:29:19
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub(super) fn public_function_in_super_mod() {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `role`
[INFO] [stdout]    --> src/main.rs:249:9
[INFO] [stdout]     |
[INFO] [stdout] 249 |     let role = Student;
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_role`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `custom_val`
[INFO] [stdout]    --> src/main.rs:287:9
[INFO] [stdout]     |
[INFO] [stdout] 287 |     let custom_val: CustomType = 20 as u64;
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_custom_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Teacher` is never constructed
[INFO] [stdout]   --> src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | enum Role {
[INFO] [stdout]    |      ---- variant in this enum
[INFO] [stdout] 24 |     Student,
[INFO] [stdout] 25 |     Teacher,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Black` is never constructed
[INFO] [stdout]   --> src/main.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | enum Color {
[INFO] [stdout]    |      ----- variant in this enum
[INFO] [stdout] 30 |     Black = 0x000000,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/main.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 | struct Pair(i32, f32);
[INFO] [stdout]    |        ---- ^^^  ^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing these fields
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `height` are never read
[INFO] [stdout]   --> src/main.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 53 | struct Person {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 54 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 55 |     height: f32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/main.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 59 | struct Number {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 60 |     value: i32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Number` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Temperature` is never used
[INFO] [stdout]  --> src/control_flow.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Temperature {
[INFO] [stdout]   |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `regular_loop` is never used
[INFO] [stdout]  --> src/control_flow.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn regular_loop() -> u32 {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_loop` is never used
[INFO] [stdout]   --> src/control_flow.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn get_loop() {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `nested_loop` is never used
[INFO] [stdout]   --> src/control_flow.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn nested_loop() {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fizzbuzz` is never used
[INFO] [stdout]   --> src/control_flow.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub fn fizzbuzz() {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `for_loop` is never used
[INFO] [stdout]   --> src/control_flow.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub fn for_loop() {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `age` is never used
[INFO] [stdout]   --> src/control_flow.rs:85:4
[INFO] [stdout]    |
[INFO] [stdout] 85 | fn age() -> u32 {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `match_loop` is never used
[INFO] [stdout]   --> src/control_flow.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 | pub fn match_loop(num: u32, boolean: bool) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `private_fn` is never used
[INFO] [stdout]  --> src/test_mod.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn private_fn() {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `private_fn` is never used
[INFO] [stdout]   --> src/test_mod.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn private_fn() {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `public_function_in_test_mod` is never used
[INFO] [stdout]   --> src/test_mod.rs:16:32
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub(in crate::test_mod) fn public_function_in_test_mod() {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `public_function_in_nested` is never used
[INFO] [stdout]   --> src/test_mod.rs:23:18
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub(self) fn public_function_in_nested() {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `public_function_in_super_mod` is never used
[INFO] [stdout]   --> src/test_mod.rs:29:19
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub(super) fn public_function_in_super_mod() {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.18s
[INFO] running `Command { std: "docker" "inspect" "35a9667af57f85f132ae21496b0717afd9bc2cb7fa4c7d83ca223aaba76dc0a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35a9667af57f85f132ae21496b0717afd9bc2cb7fa4c7d83ca223aaba76dc0a0", kill_on_drop: false }`
[INFO] [stdout] 35a9667af57f85f132ae21496b0717afd9bc2cb7fa4c7d83ca223aaba76dc0a0