[INFO] cloning repository https://github.com/MrGranday/rust-course
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MrGranday/rust-course" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMrGranday%2Frust-course", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMrGranday%2Frust-course'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 31f839b998bab7473f53c9cbbdc332403da10fc2
[INFO] testing MrGranday/rust-course against master#198328ad7960b1bece0dc48496bff6c62dd5d339 for pr-149852
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMrGranday%2Frust-course" "/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/MrGranday/rust-course
[INFO] finished tweaking git repo https://github.com/MrGranday/rust-course
[INFO] tweaked toml for git repo https://github.com/MrGranday/rust-course written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/MrGranday/rust-course on toolchain 198328ad7960b1bece0dc48496bff6c62dd5d339
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+198328ad7960b1bece0dc48496bff6c62dd5d339" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/MrGranday/rust-course 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" "+198328ad7960b1bece0dc48496bff6c62dd5d339" "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-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+198328ad7960b1bece0dc48496bff6c62dd5d339" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 79523edb7263ff07d15d6637b7135fd7f7415e215c8efd3243d654a245c4ffba
[INFO] running `Command { std: "docker" "start" "-a" "79523edb7263ff07d15d6637b7135fd7f7415e215c8efd3243d654a245c4ffba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79523edb7263ff07d15d6637b7135fd7f7415e215c8efd3243d654a245c4ffba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79523edb7263ff07d15d6637b7135fd7f7415e215c8efd3243d654a245c4ffba", kill_on_drop: false }`
[INFO] [stdout] 79523edb7263ff07d15d6637b7135fd7f7415e215c8efd3243d654a245c4ffba
[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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+198328ad7960b1bece0dc48496bff6c62dd5d339" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ee43eecdd93b6079aee9cdbf9352a1ad4d49135059fdcfed5b0e0c9a0abee95
[INFO] running `Command { std: "docker" "start" "-a" "9ee43eecdd93b6079aee9cdbf9352a1ad4d49135059fdcfed5b0e0c9a0abee95", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-26 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/day7.rs:49:10
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let (name, age) = ("osman ", 20);
[INFO] [stdout]    |          ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `age`
[INFO] [stdout]   --> src/day7.rs:49:16
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let (name, age) = ("osman ", 20);
[INFO] [stdout]    |                ^^^ help: if this is intentional, prefix it with an underscore: `_age`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `city`
[INFO] [stdout]   --> src/day7.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let city = favorites.2;
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_city`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `place`
[INFO] [stdout]   --> src/day7.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let place = favorites.4;
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_place`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/day7.rs:73:10
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let (x, y) = tuple_cartesion();
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day9.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let mut my_vec3: Vec<i32> = vec![];
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day9.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let mut my_vec4: Vec<i32> = Vec::new();
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `my_vec3`
[INFO] [stdout]   --> src/day9.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let mut my_vec3: Vec<i32> = vec![];
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_vec3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `my_vec4`
[INFO] [stdout]   --> src/day9.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let mut my_vec4: Vec<i32> = Vec::new();
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_vec4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `emp_name1`
[INFO] [stdout]    --> src/day9.rs:131:9
[INFO] [stdout]     |
[INFO] [stdout] 131 |     let emp_name1 = String::from("osman");
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_emp_name1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Direction` is never used
[INFO] [stdout]   --> src/day6.rs:14:6
[INFO] [stdout]    |
[INFO] [stdout] 14 | enum Direction {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `which_way` is never used
[INFO] [stdout]   --> src/day6.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn which_way() {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Right` is never constructed
[INFO] [stdout]   --> src/day6.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | enum Directions {
[INFO] [stdout]    |      ---------- variant in this enum
[INFO] [stdout] 42 |     Left,
[INFO] [stdout] 43 |     Right,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Orange` and `Grape` are never constructed
[INFO] [stdout]    --> src/day6.rs:134:5
[INFO] [stdout]     |
[INFO] [stdout] 133 | enum Flavor {
[INFO] [stdout]     |      ------ variants in this enum
[INFO] [stdout] 134 |     Orange,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 135 |     Grape,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Orange` and `Grape` are never constructed
[INFO] [stdout]    --> src/day6.rs:167:5
[INFO] [stdout]     |
[INFO] [stdout] 166 | enum Flavors {
[INFO] [stdout]     |      ------- variants in this enum
[INFO] [stdout] 167 |     Orange,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 168 |     Grape,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `working_with_tuples` is never used
[INFO] [stdout]   --> src/day7.rs:41:4
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn working_with_tuples() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Burger` and `Fries` are never constructed
[INFO] [stdout]    --> src/day7.rs:118:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |     enum Menu {
[INFO] [stdout]     |          ---- variants in this enum
[INFO] [stdout] 118 |         Burger,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 119 |         Drinks,
[INFO] [stdout] 120 |         Fries,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Admin`, `Manager`, and `User` are never constructed
[INFO] [stdout]    --> src/day7.rs:152:5
[INFO] [stdout]     |
[INFO] [stdout] 151 | enum Access {
[INFO] [stdout]     |      ------ variants in this enum
[INFO] [stdout] 152 |     Admin,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 153 |     Manager,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 154 |     User,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Red` and `Yellow` are never constructed
[INFO] [stdout]    --> src/day8.rs:272:5
[INFO] [stdout]     |
[INFO] [stdout] 270 | enum Colors {
[INFO] [stdout]     |      ------ variants in this enum
[INFO] [stdout] 271 |     Blue,
[INFO] [stdout] 272 |     Red,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 273 |     Yellow,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]    --> src/day9.rs:122:5
[INFO] [stdout]     |
[INFO] [stdout] 121 | struct Employee {
[INFO] [stdout]     |        -------- field in this struct
[INFO] [stdout] 122 |     name: String,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Orange` should have a snake case name
[INFO] [stdout]    --> src/day6.rs:140:5
[INFO] [stdout]     |
[INFO] [stdout] 140 |     Orange: f64,
[INFO] [stdout]     |     ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `orange`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Grape` should have a snake case name
[INFO] [stdout]    --> src/day6.rs:141:5
[INFO] [stdout]     |
[INFO] [stdout] 141 |     Grape: f64,
[INFO] [stdout]     |     ^^^^^ help: convert the identifier to snake case: `grape`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Apple` should have a snake case name
[INFO] [stdout]    --> src/day6.rs:142:5
[INFO] [stdout]     |
[INFO] [stdout] 142 |     Apple: f64,
[INFO] [stdout]     |     ^^^^^ help: convert the identifier to snake case: `apple`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "9ee43eecdd93b6079aee9cdbf9352a1ad4d49135059fdcfed5b0e0c9a0abee95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ee43eecdd93b6079aee9cdbf9352a1ad4d49135059fdcfed5b0e0c9a0abee95", kill_on_drop: false }`
[INFO] [stdout] 9ee43eecdd93b6079aee9cdbf9352a1ad4d49135059fdcfed5b0e0c9a0abee95
[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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+198328ad7960b1bece0dc48496bff6c62dd5d339" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7f3abb84daf20ac83c3ee4efdaa6d22c6b36db01a1a7d114bd76a40225cd6cf
[INFO] running `Command { std: "docker" "start" "-a" "e7f3abb84daf20ac83c3ee4efdaa6d22c6b36db01a1a7d114bd76a40225cd6cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-26 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/day7.rs:49:10
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let (name, age) = ("osman ", 20);
[INFO] [stdout]    |          ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `age`
[INFO] [stdout]   --> src/day7.rs:49:16
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let (name, age) = ("osman ", 20);
[INFO] [stdout]    |                ^^^ help: if this is intentional, prefix it with an underscore: `_age`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `city`
[INFO] [stdout]   --> src/day7.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let city = favorites.2;
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_city`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `place`
[INFO] [stdout]   --> src/day7.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let place = favorites.4;
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_place`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/day7.rs:73:10
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let (x, y) = tuple_cartesion();
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day9.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let mut my_vec3: Vec<i32> = vec![];
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day9.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let mut my_vec4: Vec<i32> = Vec::new();
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `my_vec3`
[INFO] [stdout]   --> src/day9.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let mut my_vec3: Vec<i32> = vec![];
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_vec3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `my_vec4`
[INFO] [stdout]   --> src/day9.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let mut my_vec4: Vec<i32> = Vec::new();
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_vec4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `emp_name1`
[INFO] [stdout]    --> src/day9.rs:131:9
[INFO] [stdout]     |
[INFO] [stdout] 131 |     let emp_name1 = String::from("osman");
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_emp_name1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Direction` is never used
[INFO] [stdout]   --> src/day6.rs:14:6
[INFO] [stdout]    |
[INFO] [stdout] 14 | enum Direction {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `which_way` is never used
[INFO] [stdout]   --> src/day6.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn which_way() {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Right` is never constructed
[INFO] [stdout]   --> src/day6.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | enum Directions {
[INFO] [stdout]    |      ---------- variant in this enum
[INFO] [stdout] 42 |     Left,
[INFO] [stdout] 43 |     Right,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Orange` and `Grape` are never constructed
[INFO] [stdout]    --> src/day6.rs:134:5
[INFO] [stdout]     |
[INFO] [stdout] 133 | enum Flavor {
[INFO] [stdout]     |      ------ variants in this enum
[INFO] [stdout] 134 |     Orange,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 135 |     Grape,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Orange` and `Grape` are never constructed
[INFO] [stdout]    --> src/day6.rs:167:5
[INFO] [stdout]     |
[INFO] [stdout] 166 | enum Flavors {
[INFO] [stdout]     |      ------- variants in this enum
[INFO] [stdout] 167 |     Orange,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 168 |     Grape,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `working_with_tuples` is never used
[INFO] [stdout]   --> src/day7.rs:41:4
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn working_with_tuples() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Burger` and `Fries` are never constructed
[INFO] [stdout]    --> src/day7.rs:118:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |     enum Menu {
[INFO] [stdout]     |          ---- variants in this enum
[INFO] [stdout] 118 |         Burger,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 119 |         Drinks,
[INFO] [stdout] 120 |         Fries,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Admin`, `Manager`, and `User` are never constructed
[INFO] [stdout]    --> src/day7.rs:152:5
[INFO] [stdout]     |
[INFO] [stdout] 151 | enum Access {
[INFO] [stdout]     |      ------ variants in this enum
[INFO] [stdout] 152 |     Admin,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 153 |     Manager,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 154 |     User,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Red` and `Yellow` are never constructed
[INFO] [stdout]    --> src/day8.rs:272:5
[INFO] [stdout]     |
[INFO] [stdout] 270 | enum Colors {
[INFO] [stdout]     |      ------ variants in this enum
[INFO] [stdout] 271 |     Blue,
[INFO] [stdout] 272 |     Red,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 273 |     Yellow,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]    --> src/day9.rs:122:5
[INFO] [stdout]     |
[INFO] [stdout] 121 | struct Employee {
[INFO] [stdout]     |        -------- field in this struct
[INFO] [stdout] 122 |     name: String,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Orange` should have a snake case name
[INFO] [stdout]    --> src/day6.rs:140:5
[INFO] [stdout]     |
[INFO] [stdout] 140 |     Orange: f64,
[INFO] [stdout]     |     ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `orange`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Grape` should have a snake case name
[INFO] [stdout]    --> src/day6.rs:141:5
[INFO] [stdout]     |
[INFO] [stdout] 141 |     Grape: f64,
[INFO] [stdout]     |     ^^^^^ help: convert the identifier to snake case: `grape`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Apple` should have a snake case name
[INFO] [stdout]    --> src/day6.rs:142:5
[INFO] [stdout]     |
[INFO] [stdout] 142 |     Apple: f64,
[INFO] [stdout]     |     ^^^^^ help: convert the identifier to snake case: `apple`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "e7f3abb84daf20ac83c3ee4efdaa6d22c6b36db01a1a7d114bd76a40225cd6cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7f3abb84daf20ac83c3ee4efdaa6d22c6b36db01a1a7d114bd76a40225cd6cf", kill_on_drop: false }`
[INFO] [stdout] e7f3abb84daf20ac83c3ee4efdaa6d22c6b36db01a1a7d114bd76a40225cd6cf
[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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+198328ad7960b1bece0dc48496bff6c62dd5d339" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3a967bd355c2c2ca5e6e8b01cf195236b884fcf2e257d00ec5528a86df3e1352
[INFO] running `Command { std: "docker" "start" "-a" "3a967bd355c2c2ca5e6e8b01cf195236b884fcf2e257d00ec5528a86df3e1352", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]   --> src/day7.rs:49:10
[INFO] [stderr]    |
[INFO] [stderr] 49 |     let (name, age) = ("osman ", 20);
[INFO] [stderr]    |          ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `age`
[INFO] [stderr]   --> src/day7.rs:49:16
[INFO] [stderr]    |
[INFO] [stderr] 49 |     let (name, age) = ("osman ", 20);
[INFO] [stderr]    |                ^^^ help: if this is intentional, prefix it with an underscore: `_age`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `city`
[INFO] [stderr]   --> src/day7.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |     let city = favorites.2;
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_city`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `place`
[INFO] [stderr]   --> src/day7.rs:54:9
[INFO] [stderr]    |
[INFO] [stderr] 54 |     let place = favorites.4;
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_place`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/day7.rs:73:10
[INFO] [stderr]    |
[INFO] [stderr] 73 |     let (x, y) = tuple_cartesion();
[INFO] [stderr]    |          ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/day9.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let mut my_vec3: Vec<i32> = vec![];
[INFO] [stderr]    |         ----^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/day9.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let mut my_vec4: Vec<i32> = Vec::new();
[INFO] [stderr]    |         ----^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `my_vec3`
[INFO] [stderr]   --> src/day9.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let mut my_vec3: Vec<i32> = vec![];
[INFO] [stderr]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_vec3`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `my_vec4`
[INFO] [stderr]   --> src/day9.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let mut my_vec4: Vec<i32> = Vec::new();
[INFO] [stderr]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_vec4`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `emp_name1`
[INFO] [stderr]    --> src/day9.rs:131:9
[INFO] [stderr]     |
[INFO] [stderr] 131 |     let emp_name1 = String::from("osman");
[INFO] [stderr]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_emp_name1`
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Direction` is never used
[INFO] [stderr]   --> src/day6.rs:14:6
[INFO] [stderr]    |
[INFO] [stderr] 14 | enum Direction {
[INFO] [stderr]    |      ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `which_way` is never used
[INFO] [stderr]   --> src/day6.rs:25:4
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn which_way() {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Right` is never constructed
[INFO] [stderr]   --> src/day6.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 41 | enum Directions {
[INFO] [stderr]    |      ---------- variant in this enum
[INFO] [stderr] 42 |     Left,
[INFO] [stderr] 43 |     Right,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Orange` and `Grape` are never constructed
[INFO] [stderr]    --> src/day6.rs:134:5
[INFO] [stderr]     |
[INFO] [stderr] 133 | enum Flavor {
[INFO] [stderr]     |      ------ variants in this enum
[INFO] [stderr] 134 |     Orange,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] 135 |     Grape,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Orange` and `Grape` are never constructed
[INFO] [stderr]    --> src/day6.rs:167:5
[INFO] [stderr]     |
[INFO] [stderr] 166 | enum Flavors {
[INFO] [stderr]     |      ------- variants in this enum
[INFO] [stderr] 167 |     Orange,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] 168 |     Grape,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `working_with_tuples` is never used
[INFO] [stderr]   --> src/day7.rs:41:4
[INFO] [stderr]    |
[INFO] [stderr] 41 | fn working_with_tuples() {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Burger` and `Fries` are never constructed
[INFO] [stderr]    --> src/day7.rs:118:9
[INFO] [stderr]     |
[INFO] [stderr] 117 |     enum Menu {
[INFO] [stderr]     |          ---- variants in this enum
[INFO] [stderr] 118 |         Burger,
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr] 119 |         Drinks,
[INFO] [stderr] 120 |         Fries,
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Admin`, `Manager`, and `User` are never constructed
[INFO] [stderr]    --> src/day7.rs:152:5
[INFO] [stderr]     |
[INFO] [stderr] 151 | enum Access {
[INFO] [stderr]     |      ------ variants in this enum
[INFO] [stderr] 152 |     Admin,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr] 153 |     Manager,
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr] 154 |     User,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Red` and `Yellow` are never constructed
[INFO] [stderr]    --> src/day8.rs:272:5
[INFO] [stderr]     |
[INFO] [stderr] 270 | enum Colors {
[INFO] [stderr]     |      ------ variants in this enum
[INFO] [stderr] 271 |     Blue,
[INFO] [stderr] 272 |     Red,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 273 |     Yellow,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `name` is never read
[INFO] [stderr]    --> src/day9.rs:122:5
[INFO] [stderr]     |
[INFO] [stderr] 121 | struct Employee {
[INFO] [stderr]     |        -------- field in this struct
[INFO] [stderr] 122 |     name: String,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `Orange` should have a snake case name
[INFO] [stderr]    --> src/day6.rs:140:5
[INFO] [stderr]     |
[INFO] [stderr] 140 |     Orange: f64,
[INFO] [stderr]     |     ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `orange`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `Grape` should have a snake case name
[INFO] [stderr]    --> src/day6.rs:141:5
[INFO] [stderr]     |
[INFO] [stderr] 141 |     Grape: f64,
[INFO] [stderr]     |     ^^^^^ help: convert the identifier to snake case: `grape`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `Apple` should have a snake case name
[INFO] [stderr]    --> src/day6.rs:142:5
[INFO] [stderr]     |
[INFO] [stderr] 142 |     Apple: f64,
[INFO] [stderr]     |     ^^^^^ help: convert the identifier to snake case: `apple`
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-26` (bin "rust-26" test) generated 23 warnings (run `cargo fix --bin "rust-26" -p rust-26 --tests` to apply 10 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_26-7e9a331eed5032c2)
[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" "3a967bd355c2c2ca5e6e8b01cf195236b884fcf2e257d00ec5528a86df3e1352", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a967bd355c2c2ca5e6e8b01cf195236b884fcf2e257d00ec5528a86df3e1352", kill_on_drop: false }`
[INFO] [stdout] 3a967bd355c2c2ca5e6e8b01cf195236b884fcf2e257d00ec5528a86df3e1352