[INFO] cloning repository https://github.com/maxdotdotg/rust_exercises
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maxdotdotg/rust_exercises" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxdotdotg%2Frust_exercises", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxdotdotg%2Frust_exercises'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 415483b495fda562ccf51029830316b231861bfb
[INFO] checking maxdotdotg/rust_exercises against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxdotdotg%2Frust_exercises" "/workspace/builds/worker-118/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-118/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/maxdotdotg/rust_exercises on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/maxdotdotg/rust_exercises
[INFO] finished tweaking git repo https://github.com/maxdotdotg/rust_exercises
[INFO] tweaked toml for git repo https://github.com/maxdotdotg/rust_exercises written to /workspace/builds/worker-118/source/Cargo.toml
[INFO] crate git repo https://github.com/maxdotdotg/rust_exercises already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d61377f4688474cf0adb9f719c228bfa237699f31a5947e2164c1fbd3db5178
[INFO] running `Command { std: "docker" "start" "-a" "0d61377f4688474cf0adb9f719c228bfa237699f31a5947e2164c1fbd3db5178", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d61377f4688474cf0adb9f719c228bfa237699f31a5947e2164c1fbd3db5178", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d61377f4688474cf0adb9f719c228bfa237699f31a5947e2164c1fbd3db5178", kill_on_drop: false }`
[INFO] [stdout] 0d61377f4688474cf0adb9f719c228bfa237699f31a5947e2164c1fbd3db5178
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15ec452e37ace65b79381d2e29d5214b02c6688cdf554c32b4c3ea172f2fdd1f
[INFO] running `Command { std: "docker" "start" "-a" "15ec452e37ace65b79381d2e29d5214b02c6688cdf554c32b4c3ea172f2fdd1f", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking exercises v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/bin/match.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/functions.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/option.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/struct.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/slice.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/variables.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/references.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/enums.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/control_flow.rs from 2018 edition to 2021
[INFO] [stdout] warning: variable `count` is assigned to, but never used
[INFO] [stdout]   --> src/bin/match.rs:56:13
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let mut count = 0;
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_count` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `count` is never read
[INFO] [stdout]   --> src/bin/match.rs:60:14
[INFO] [stdout]    |
[INFO] [stdout] 60 |         _ => count += 1,
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `count_2` is assigned to, but never used
[INFO] [stdout]   --> src/bin/match.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let mut count_2 = 0;
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_count_2` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `count_2` is never read
[INFO] [stdout]   --> src/bin/match.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         count_2 += 1;
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Nickel`
[INFO] [stdout]  --> src/bin/match.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Nickel,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Dime`
[INFO] [stdout]  --> src/bin/match.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Dime,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]        Fixed src/bin/functions.rs (1 fix)
[INFO] [stderr]        Fixed src/bin/option.rs (2 fixes)
[INFO] [stderr]        Fixed src/bin/struct.rs (2 fixes)
[INFO] [stderr]        Fixed src/bin/enums.rs (6 fixes)
[INFO] [stdout] warning: type `IpAddrKind_with_types` should have an upper camel case name
[INFO] [stdout]  --> src/bin/enums.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 | enum IpAddrKind_with_types {
[INFO] [stdout]   |      ^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `IpAddrKindWithTypes`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `kind`
[INFO] [stdout]   --> src/bin/enums.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     kind: IpAddrKind,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `address`
[INFO] [stdout]   --> src/bin/enums.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     address: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `route`
[INFO] [stdout]   --> src/bin/enums.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn route(_ip_kind: IpAddrKind) { }
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `count` is assigned to, but never used
[INFO] [stdout]   --> src/bin/match.rs:56:13
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let mut count = 0;
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_count` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `count` is never read
[INFO] [stdout]   --> src/bin/match.rs:60:14
[INFO] [stdout]    |
[INFO] [stdout] 60 |         _ => count += 1,
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `count_2` is assigned to, but never used
[INFO] [stdout]   --> src/bin/match.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let mut count_2 = 0;
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_count_2` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `count_2` is never read
[INFO] [stdout]   --> src/bin/match.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         count_2 += 1;
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Nickel`
[INFO] [stdout]  --> src/bin/match.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Nickel,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Dime`
[INFO] [stdout]  --> src/bin/match.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Dime,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `IpAddrKind_with_types` should have an upper camel case name
[INFO] [stdout]  --> src/bin/enums.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 | enum IpAddrKind_with_types {
[INFO] [stdout]   |      ^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `IpAddrKindWithTypes`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `kind`
[INFO] [stdout]   --> src/bin/enums.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     kind: IpAddrKind,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `address`
[INFO] [stdout]   --> src/bin/enums.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     address: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `route`
[INFO] [stdout]   --> src/bin/enums.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn route(_ip_kind: IpAddrKind) { }
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.29s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking exercises v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: variable `count` is assigned to, but never used
[INFO] [stdout]   --> src/bin/match.rs:56:13
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let mut count = 0;
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_count` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `IpAddrKind_with_types` should have an upper camel case name
[INFO] [stdout]  --> src/bin/enums.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 | enum IpAddrKind_with_types {
[INFO] [stdout]   |      ^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `IpAddrKindWithTypes`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `count` is never read
[INFO] [stdout]   --> src/bin/match.rs:60:14
[INFO] [stdout]    |
[INFO] [stdout] 60 |         _ => count += 1,
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `count_2` is assigned to, but never used
[INFO] [stdout]   --> src/bin/match.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let mut count_2 = 0;
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_count_2` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `count_2` is never read
[INFO] [stdout]   --> src/bin/match.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         count_2 += 1;
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Nickel`
[INFO] [stdout]  --> src/bin/match.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Nickel,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Dime`
[INFO] [stdout]  --> src/bin/match.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Dime,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `IpAddrKind_with_types` should have an upper camel case name
[INFO] [stdout]  --> src/bin/enums.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 | enum IpAddrKind_with_types {
[INFO] [stdout]   |      ^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `IpAddrKindWithTypes`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `count` is assigned to, but never used
[INFO] [stdout]   --> src/bin/match.rs:56:13
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let mut count = 0;
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_count` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `count` is never read
[INFO] [stdout]   --> src/bin/match.rs:60:14
[INFO] [stdout]    |
[INFO] [stdout] 60 |         _ => count += 1,
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `count_2` is assigned to, but never used
[INFO] [stdout]   --> src/bin/match.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let mut count_2 = 0;
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_count_2` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `count_2` is never read
[INFO] [stdout]   --> src/bin/match.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         count_2 += 1;
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Nickel`
[INFO] [stdout]  --> src/bin/match.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Nickel,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Dime`
[INFO] [stdout]  --> src/bin/match.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Dime,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `kind`
[INFO] [stdout]   --> src/bin/enums.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     kind: IpAddrKind,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `address`
[INFO] [stdout]   --> src/bin/enums.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     address: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `route`
[INFO] [stdout]   --> src/bin/enums.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn route(_ip_kind: IpAddrKind) { }
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `kind`
[INFO] [stdout]   --> src/bin/enums.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     kind: IpAddrKind,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `address`
[INFO] [stdout]   --> src/bin/enums.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     address: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `route`
[INFO] [stdout]   --> src/bin/enums.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn route(_ip_kind: IpAddrKind) { }
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "15ec452e37ace65b79381d2e29d5214b02c6688cdf554c32b4c3ea172f2fdd1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15ec452e37ace65b79381d2e29d5214b02c6688cdf554c32b4c3ea172f2fdd1f", kill_on_drop: false }`
[INFO] [stdout] 15ec452e37ace65b79381d2e29d5214b02c6688cdf554c32b4c3ea172f2fdd1f