[INFO] cloning repository https://github.com/psatomas/traits
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/psatomas/traits" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsatomas%2Ftraits", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsatomas%2Ftraits'...
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[INFO] [stdout] e0ef965e93ff15a4a938a581e18789d2c5bcf1ac
[INFO] testing psatomas/traits against try#bd7d74411512a3dd3b35d2f699c51dd2557c7e7e+cargoflags=-Zbuild-dir-new-layout for pr-149852-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsatomas%2Ftraits" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/psatomas/traits
[INFO] finished tweaking git repo https://github.com/psatomas/traits
[INFO] tweaked toml for git repo https://github.com/psatomas/traits written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/psatomas/traits on toolchain bd7d74411512a3dd3b35d2f699c51dd2557c7e7e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/psatomas/traits 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" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "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-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "inspect" "f63e78abba74d9acdaa064456a0d83887238ecf6335baea60a399e94eed6aac6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f63e78abba74d9acdaa064456a0d83887238ecf6335baea60a399e94eed6aac6", kill_on_drop: false }`
[INFO] [stdout] f63e78abba74d9acdaa064456a0d83887238ecf6335baea60a399e94eed6aac6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "build" "--frozen" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] 37f44990d821cf14c4e129e984545138d93cbbabc66d71c9f502c2b4b9d1eb4a
[INFO] running `Command { std: "docker" "start" "-a" "37f44990d821cf14c4e129e984545138d93cbbabc66d71c9f502c2b4b9d1eb4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling traits v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `commute_time` is never read
[INFO] [stdout]  --> src/bin/implementing_the_partialord_trait.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Job {
[INFO] [stdout]   |        --- field in this struct
[INFO] [stdout] 4 |     salary: u32,
[INFO] [stdout] 5 |     commute_time: u32,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_description` is never used
[INFO] [stdout]  --> src/bin/trait_bound_syntax.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | trait Accommodation {
[INFO] [stdout]   |       ------------- method in this trait
[INFO] [stdout] 4 |     fn get_description(&self) -> String{
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/bin/trait_bound_syntax.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Hotel {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 12 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Hotel` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `summarize` is never used
[INFO] [stdout]   --> src/bin/trait_bound_syntax.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Hotel {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 24 |     fn summarize(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `host` is never read
[INFO] [stdout]   --> src/bin/trait_bound_syntax.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | struct AirBnB {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 37 |     host: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AirBnB` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `book_for_one_night` is never used
[INFO] [stdout]   --> src/bin/trait_bound_syntax.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn book_for_one_night<T: Accommodation>(entity: &mut T, guest: &str) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Accommodation` is never used
[INFO] [stdout]  --> src/bin/implementing_trait_for_struct_I.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | trait Accommodation {
[INFO] [stdout]   |       ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Hotel` is never constructed
[INFO] [stdout]  --> src/bin/implementing_trait_for_struct_I.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Hotel {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/bin/implementing_trait_for_struct_I.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Hotel {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 15 |     fn new(name: &str) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Accommodation` is never used
[INFO] [stdout]  --> src/bin/defining_a_trait.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | trait Accommodation {
[INFO] [stdout]   |       ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `another_hour`
[INFO] [stdout]   --> src/bin/implementing_the_copy_trait.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let another_hour = one_hour;
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_another_hour`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `hours`, `minutes`, and `seconds` are never read
[INFO] [stdout]  --> src/bin/implementing_the_copy_trait.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Duration {
[INFO] [stdout]   |        -------- fields in this struct
[INFO] [stdout] 3 |     hours: u32,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 4 |     minutes: u32,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 5 |     seconds: u32,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Duration` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Description` is never used
[INFO] [stdout]  --> src/bin/a_preview_of_trait_objects.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | trait Description {
[INFO] [stdout]   |       ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/bin/a_preview_of_trait_objects.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Hotel<T> {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 16 |     name: T,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Hotel` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `summarize` is never used
[INFO] [stdout]   --> src/bin/a_preview_of_trait_objects.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl<T: Display> Hotel<T> {
[INFO] [stdout]    | ------------------------- method in this implementation
[INFO] [stdout] 31 |     fn summarize(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `host` is never read
[INFO] [stdout]   --> src/bin/a_preview_of_trait_objects.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | struct AirBnB {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 46 |     host: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AirBnB` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `book_for_one_night` is never used
[INFO] [stdout]   --> src/bin/a_preview_of_trait_objects.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn book_for_one_night<T: Accommodation + Description>(entity: &mut T, guest: &str) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mix_and_match` is never used
[INFO] [stdout]   --> src/bin/a_preview_of_trait_objects.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn mix_and_match<T, U>(first: &mut T, second: &mut U, guest: &str,)
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `choose_best_place_to_stay` is never used
[INFO] [stdout]   --> src/bin/a_preview_of_trait_objects.rs:86:4
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn choose_best_place_to_stay() -> impl Accommodation + Description {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/bin/where_clauses.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Hotel {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 15 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Hotel` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `summarize` is never used
[INFO] [stdout]   --> src/bin/where_clauses.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Hotel {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 27 |     fn summarize(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `book_for_one_night` is never used
[INFO] [stdout]   --> src/bin/where_clauses.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn book_for_one_night<T: Accommodation + Description>(entity: &mut T, guest: &str) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `amount` is never used
[INFO] [stdout]  --> src/bin/traits_with_generics.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | trait Investment<T> {
[INFO] [stdout]   |       ---------- method in this trait
[INFO] [stdout] 2 |     fn amount(&self) -> T;
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Taxable` is never used
[INFO] [stdout]  --> src/bin/traits_with_generics.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | trait Taxable: Investment<f64> {
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/traits_for_function_parameter_constraints.rs:61:27
[INFO] [stdout]    |
[INFO] [stdout] 61 |     entity.book(guest, 1);;
[INFO] [stdout]    |                           ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/bin/traits_as_function_return_values.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Hotel {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 15 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Hotel` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `summarize` is never used
[INFO] [stdout]   --> src/bin/traits_as_function_return_values.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Hotel {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 27 |     fn summarize(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `book_for_one_night` is never used
[INFO] [stdout]   --> src/bin/traits_as_function_return_values.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn book_for_one_night<T: Accommodation + Description>(entity: &mut T, guest: &str) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_description` is never used
[INFO] [stdout]  --> src/bin/traits_for_function_parameter_constraints.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | trait Accommodation {
[INFO] [stdout]   |       ------------- method in this trait
[INFO] [stdout] 4 |     fn get_description(&self) -> String{
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/bin/traits_for_function_parameter_constraints.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Hotel {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 12 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Hotel` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `summarize` is never used
[INFO] [stdout]   --> src/bin/traits_for_function_parameter_constraints.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Hotel {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 24 |     fn summarize(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/bin/mutiple_trait_bounds.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Hotel {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 15 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Hotel` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `summarize` is never used
[INFO] [stdout]   --> src/bin/mutiple_trait_bounds.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Hotel {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 27 |     fn summarize(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `book_for_one_night` is never used
[INFO] [stdout]   --> src/bin/mutiple_trait_bounds.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn book_for_one_night<T: Accommodation + Description>(entity: &mut T, guest: &str) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `host` is never read
[INFO] [stdout]   --> src/bin/traits_for_function_parameter_constraints.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | struct AirBnB {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 37 |     host: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AirBnB` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/coding_challenge.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |     let mut pepsi = Soda::new(300, 2.99, String::from("Cherry"));
[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: method `stats` is never used
[INFO] [stdout]  --> src/bin/coding_challenge.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | trait Drinkable {
[INFO] [stdout]   |       --------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 6 |     fn stats(&self) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Whole` is never constructed
[INFO] [stdout]   --> src/bin/coding_challenge.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | enum Milk {
[INFO] [stdout]    |      ---- variant in this enum
[INFO] [stdout] 13 |     Whole,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Milk` 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 `name` is never read
[INFO] [stdout]   --> src/bin/default_implementations.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Hotel {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 12 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Hotel` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hotel3`
[INFO] [stdout]   --> src/bin/traits_bounds_to_conditionally_implement_methods.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 |     let hotel3 = Hotel::new(vec!["The Sweet Escape", "Hilton Edition"]);    
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_hotel3`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Accommodation` is never used
[INFO] [stdout]  --> src/bin/traits_bounds_to_conditionally_implement_methods.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | trait Accommodation {    
[INFO] [stdout]   |       ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `reservations` is never read
[INFO] [stdout]   --> src/bin/traits_bounds_to_conditionally_implement_methods.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Hotel<T> {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 16 |     name: T,
[INFO] [stdout] 17 |     reservations: HashMap<String, u32>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Hotel` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AirBnB` is never constructed
[INFO] [stdout]   --> src/bin/traits_bounds_to_conditionally_implement_methods.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | struct AirBnB {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/bin/traits_bounds_to_conditionally_implement_methods.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | impl AirBnB {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 51 |     fn new(host: &str) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `book_for_one_night` is never used
[INFO] [stdout]   --> src/bin/traits_bounds_to_conditionally_implement_methods.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn book_for_one_night<T: Accommodation + Description>(entity: &mut T, guest: &str) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mix_and_match` is never used
[INFO] [stdout]   --> src/bin/traits_bounds_to_conditionally_implement_methods.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn mix_and_match<T, U>(first: &mut T, second: &mut U, guest: &str,)
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `choose_best_place_to_stay` is never used
[INFO] [stdout]   --> src/bin/traits_bounds_to_conditionally_implement_methods.rs:86:4
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn choose_best_place_to_stay() -> impl Accommodation + Description {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::f32::consts::E`
[INFO] [stdout]  --> src/bin/implemeting_the_drop_trait.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::f32::consts::E;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Flight` is never constructed
[INFO] [stdout]  --> src/bin/implementing_the_partialeq_trait_for_structs.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Flight {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/bin/implementing_the_partialeq_trait_for_structs.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl Flight {
[INFO] [stdout]   | ----------- associated function in this implementation
[INFO] [stdout] 9 |     fn new(origin: &str, destination: &str, time: &str) -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "37f44990d821cf14c4e129e984545138d93cbbabc66d71c9f502c2b4b9d1eb4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37f44990d821cf14c4e129e984545138d93cbbabc66d71c9f502c2b4b9d1eb4a", kill_on_drop: false }`
[INFO] [stdout] 37f44990d821cf14c4e129e984545138d93cbbabc66d71c9f502c2b4b9d1eb4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "--no-run" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] 1d41a1f147af6395a427f4ac721feae893a1047023e479b597cf57cc3cbaa626
[INFO] running `Command { std: "docker" "start" "-a" "1d41a1f147af6395a427f4ac721feae893a1047023e479b597cf57cc3cbaa626", kill_on_drop: false }`
[INFO] [stderr]    Compiling traits v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `amount` is never used
[INFO] [stdout]  --> src/bin/traits_with_generics.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | trait Investment<T> {
[INFO] [stdout]   |       ---------- method in this trait
[INFO] [stdout] 2 |     fn amount(&self) -> T;
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Taxable` is never used
[INFO] [stdout]  --> src/bin/traits_with_generics.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | trait Taxable: Investment<f64> {
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/traits_for_function_parameter_constraints.rs:61:27
[INFO] [stdout]    |
[INFO] [stdout] 61 |     entity.book(guest, 1);;
[INFO] [stdout]    |                           ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/bin/traits_as_function_return_values.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Hotel {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 15 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Hotel` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_description` is never used
[INFO] [stdout]  --> src/bin/trait_bound_syntax.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | trait Accommodation {
[INFO] [stdout]   |       ------------- method in this trait
[INFO] [stdout] 4 |     fn get_description(&self) -> String{
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `summarize` is never used
[INFO] [stdout]   --> src/bin/traits_as_function_return_values.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Hotel {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 27 |     fn summarize(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `book_for_one_night` is never used
[INFO] [stdout]   --> src/bin/traits_as_function_return_values.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn book_for_one_night<T: Accommodation + Description>(entity: &mut T, guest: &str) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/bin/trait_bound_syntax.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Hotel {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 12 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Hotel` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `summarize` is never used
[INFO] [stdout]   --> src/bin/trait_bound_syntax.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Hotel {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 24 |     fn summarize(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `host` is never read
[INFO] [stdout]   --> src/bin/trait_bound_syntax.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | struct AirBnB {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 37 |     host: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AirBnB` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `book_for_one_night` is never used
[INFO] [stdout]   --> src/bin/trait_bound_syntax.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn book_for_one_night<T: Accommodation>(entity: &mut T, guest: &str) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_description` is never used
[INFO] [stdout]  --> src/bin/traits_for_function_parameter_constraints.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | trait Accommodation {
[INFO] [stdout]   |       ------------- method in this trait
[INFO] [stdout] 4 |     fn get_description(&self) -> String{
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/bin/traits_for_function_parameter_constraints.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Hotel {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 12 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Hotel` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `summarize` is never used
[INFO] [stdout]   --> src/bin/traits_for_function_parameter_constraints.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Hotel {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 24 |     fn summarize(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `host` is never read
[INFO] [stdout]   --> src/bin/traits_for_function_parameter_constraints.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | struct AirBnB {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 37 |     host: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AirBnB` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/coding_challenge.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |     let mut pepsi = Soda::new(300, 2.99, String::from("Cherry"));
[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: field `name` is never read
[INFO] [stdout]   --> src/bin/where_clauses.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Hotel {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 15 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Hotel` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `summarize` is never used
[INFO] [stdout]   --> src/bin/where_clauses.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Hotel {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 27 |     fn summarize(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `stats` is never used
[INFO] [stdout]  --> src/bin/coding_challenge.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | trait Drinkable {
[INFO] [stdout]   |       --------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 6 |     fn stats(&self) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Whole` is never constructed
[INFO] [stdout]   --> src/bin/coding_challenge.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | enum Milk {
[INFO] [stdout]    |      ---- variant in this enum
[INFO] [stdout] 13 |     Whole,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Milk` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `book_for_one_night` is never used
[INFO] [stdout]   --> src/bin/where_clauses.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn book_for_one_night<T: Accommodation + Description>(entity: &mut T, guest: &str) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Description` is never used
[INFO] [stdout]  --> src/bin/a_preview_of_trait_objects.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | trait Description {
[INFO] [stdout]   |       ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/bin/a_preview_of_trait_objects.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Hotel<T> {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 16 |     name: T,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Hotel` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `summarize` is never used
[INFO] [stdout]   --> src/bin/a_preview_of_trait_objects.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl<T: Display> Hotel<T> {
[INFO] [stdout]    | ------------------------- method in this implementation
[INFO] [stdout] 31 |     fn summarize(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `host` is never read
[INFO] [stdout]   --> src/bin/a_preview_of_trait_objects.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | struct AirBnB {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 46 |     host: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AirBnB` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `book_for_one_night` is never used
[INFO] [stdout]   --> src/bin/a_preview_of_trait_objects.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn book_for_one_night<T: Accommodation + Description>(entity: &mut T, guest: &str) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mix_and_match` is never used
[INFO] [stdout]   --> src/bin/a_preview_of_trait_objects.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn mix_and_match<T, U>(first: &mut T, second: &mut U, guest: &str,)
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `choose_best_place_to_stay` is never used
[INFO] [stdout]   --> src/bin/a_preview_of_trait_objects.rs:86:4
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn choose_best_place_to_stay() -> impl Accommodation + Description {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `commute_time` is never read
[INFO] [stdout]  --> src/bin/implementing_the_partialord_trait.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Job {
[INFO] [stdout]   |        --- field in this struct
[INFO] [stdout] 4 |     salary: u32,
[INFO] [stdout] 5 |     commute_time: u32,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Accommodation` is never used
[INFO] [stdout]  --> src/bin/implementing_trait_for_struct_I.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | trait Accommodation {
[INFO] [stdout]   |       ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Hotel` is never constructed
[INFO] [stdout]  --> src/bin/implementing_trait_for_struct_I.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Hotel {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/bin/implementing_trait_for_struct_I.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Hotel {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 15 |     fn new(name: &str) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/bin/default_implementations.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Hotel {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 12 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Hotel` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `another_hour`
[INFO] [stdout]   --> src/bin/implementing_the_copy_trait.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let another_hour = one_hour;
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_another_hour`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `hours`, `minutes`, and `seconds` are never read
[INFO] [stdout]  --> src/bin/implementing_the_copy_trait.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Duration {
[INFO] [stdout]   |        -------- fields in this struct
[INFO] [stdout] 3 |     hours: u32,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 4 |     minutes: u32,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 5 |     seconds: u32,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Duration` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/bin/mutiple_trait_bounds.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Hotel {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 15 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Hotel` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `summarize` is never used
[INFO] [stdout]   --> src/bin/mutiple_trait_bounds.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Hotel {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 27 |     fn summarize(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `book_for_one_night` is never used
[INFO] [stdout]   --> src/bin/mutiple_trait_bounds.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn book_for_one_night<T: Accommodation + Description>(entity: &mut T, guest: &str) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hotel3`
[INFO] [stdout]   --> src/bin/traits_bounds_to_conditionally_implement_methods.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 |     let hotel3 = Hotel::new(vec!["The Sweet Escape", "Hilton Edition"]);    
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_hotel3`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Accommodation` is never used
[INFO] [stdout]  --> src/bin/traits_bounds_to_conditionally_implement_methods.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | trait Accommodation {    
[INFO] [stdout]   |       ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `reservations` is never read
[INFO] [stdout]   --> src/bin/traits_bounds_to_conditionally_implement_methods.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Hotel<T> {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 16 |     name: T,
[INFO] [stdout] 17 |     reservations: HashMap<String, u32>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Hotel` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AirBnB` is never constructed
[INFO] [stdout]   --> src/bin/traits_bounds_to_conditionally_implement_methods.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | struct AirBnB {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/bin/traits_bounds_to_conditionally_implement_methods.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | impl AirBnB {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 51 |     fn new(host: &str) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `book_for_one_night` is never used
[INFO] [stdout]   --> src/bin/traits_bounds_to_conditionally_implement_methods.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn book_for_one_night<T: Accommodation + Description>(entity: &mut T, guest: &str) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mix_and_match` is never used
[INFO] [stdout]   --> src/bin/traits_bounds_to_conditionally_implement_methods.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn mix_and_match<T, U>(first: &mut T, second: &mut U, guest: &str,)
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `choose_best_place_to_stay` is never used
[INFO] [stdout]   --> src/bin/traits_bounds_to_conditionally_implement_methods.rs:86:4
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn choose_best_place_to_stay() -> impl Accommodation + Description {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::f32::consts::E`
[INFO] [stdout]  --> src/bin/implemeting_the_drop_trait.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::f32::consts::E;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Flight` is never constructed
[INFO] [stdout]  --> src/bin/implementing_the_partialeq_trait_for_structs.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Flight {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/bin/implementing_the_partialeq_trait_for_structs.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl Flight {
[INFO] [stdout]   | ----------- associated function in this implementation
[INFO] [stdout] 9 |     fn new(origin: &str, destination: &str, time: &str) -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Accommodation` is never used
[INFO] [stdout]  --> src/bin/defining_a_trait.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | trait Accommodation {
[INFO] [stdout]   |       ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "1d41a1f147af6395a427f4ac721feae893a1047023e479b597cf57cc3cbaa626", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d41a1f147af6395a427f4ac721feae893a1047023e479b597cf57cc3cbaa626", kill_on_drop: false }`
[INFO] [stdout] 1d41a1f147af6395a427f4ac721feae893a1047023e479b597cf57cc3cbaa626
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] 81add63f622935592fe42e0bbea04103a9141738e0af5dfc1ff29375f8ca35e4
[INFO] running `Command { std: "docker" "start" "-a" "81add63f622935592fe42e0bbea04103a9141738e0af5dfc1ff29375f8ca35e4", kill_on_drop: false }`
[INFO] [stderr] warning: method `amount` is never used
[INFO] [stderr]  --> src/bin/traits_with_generics.rs:2:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | trait Investment<T> {
[INFO] [stderr]   |       ---------- method in this trait
[INFO] [stderr] 2 |     fn amount(&self) -> T;
[INFO] [stderr]   |        ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Taxable` is never used
[INFO] [stderr]  --> src/bin/traits_with_generics.rs:7:7
[INFO] [stderr]   |
[INFO] [stderr] 7 | trait Taxable: Investment<f64> {
[INFO] [stderr]   |       ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `name` is never read
[INFO] [stderr]   --> src/bin/default_implementations.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | struct Hotel {
[INFO] [stderr]    |        ----- field in this struct
[INFO] [stderr] 12 |     name: String,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Hotel` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Accommodation` is never used
[INFO] [stderr]  --> src/bin/implementing_trait_for_struct_I.rs:3:7
[INFO] [stderr]   |
[INFO] [stderr] 3 | trait Accommodation {
[INFO] [stderr]   |       ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Hotel` is never constructed
[INFO] [stderr]  --> src/bin/implementing_trait_for_struct_I.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | struct Hotel {
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/bin/implementing_trait_for_struct_I.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | impl Hotel {
[INFO] [stderr]    | ---------- associated function in this implementation
[INFO] [stderr] 15 |     fn new(name: &str) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Flight` is never constructed
[INFO] [stderr]  --> src/bin/implementing_the_partialeq_trait_for_structs.rs:2:8
[INFO] [stderr]   |
[INFO] [stderr] 2 | struct Flight {
[INFO] [stderr]   |        ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]  --> src/bin/implementing_the_partialeq_trait_for_structs.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | impl Flight {
[INFO] [stderr]   | ----------- associated function in this implementation
[INFO] [stderr] 9 |     fn new(origin: &str, destination: &str, time: &str) -> Self {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `traits` (bin "traits_with_generics" test) generated 2 warnings
[INFO] [stderr] warning: `traits` (bin "default_implementations" test) generated 1 warning
[INFO] [stderr] warning: `traits` (bin "implementing_trait_for_struct_I" test) generated 3 warnings
[INFO] [stderr] warning: `traits` (bin "implementing_the_partialeq_trait_for_structs" test) generated 2 warnings
[INFO] [stderr] warning: trait `Description` is never used
[INFO] [stderr]  --> src/bin/a_preview_of_trait_objects.rs:8:7
[INFO] [stderr]   |
[INFO] [stderr] 8 | trait Description {
[INFO] [stderr]   |       ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `name` is never read
[INFO] [stderr]   --> src/bin/a_preview_of_trait_objects.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | struct Hotel<T> {
[INFO] [stderr]    |        ----- field in this struct
[INFO] [stderr] 16 |     name: T,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Hotel` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: method `summarize` is never used
[INFO] [stderr]   --> src/bin/a_preview_of_trait_objects.rs:31:8
[INFO] [stderr]    |
[INFO] [stderr] 30 | impl<T: Display> Hotel<T> {
[INFO] [stderr]    | ------------------------- method in this implementation
[INFO] [stderr] 31 |     fn summarize(&self) -> String {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `host` is never read
[INFO] [stderr]   --> src/bin/a_preview_of_trait_objects.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 45 | struct AirBnB {
[INFO] [stderr]    |        ------ field in this struct
[INFO] [stderr] 46 |     host: String,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `AirBnB` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: function `book_for_one_night` is never used
[INFO] [stderr]   --> src/bin/a_preview_of_trait_objects.rs:71:4
[INFO] [stderr]    |
[INFO] [stderr] 71 | fn book_for_one_night<T: Accommodation + Description>(entity: &mut T, guest: &str) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `mix_and_match` is never used
[INFO] [stderr]   --> src/bin/a_preview_of_trait_objects.rs:75:4
[INFO] [stderr]    |
[INFO] [stderr] 75 | fn mix_and_match<T, U>(first: &mut T, second: &mut U, guest: &str,)
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `choose_best_place_to_stay` is never used
[INFO] [stderr]   --> src/bin/a_preview_of_trait_objects.rs:86:4
[INFO] [stderr]    |
[INFO] [stderr] 86 | fn choose_best_place_to_stay() -> impl Accommodation + Description {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::f32::consts::E`
[INFO] [stderr]  --> src/bin/implemeting_the_drop_trait.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::f32::consts::E;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `name` is never read
[INFO] [stderr]   --> src/bin/mutiple_trait_bounds.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | struct Hotel {
[INFO] [stderr]    |        ----- field in this struct
[INFO] [stderr] 15 |     name: String,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Hotel` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `summarize` is never used
[INFO] [stderr]   --> src/bin/mutiple_trait_bounds.rs:27:8
[INFO] [stderr]    |
[INFO] [stderr] 19 | impl Hotel {
[INFO] [stderr]    | ---------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 27 |     fn summarize(&self) -> String {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `book_for_one_night` is never used
[INFO] [stderr]   --> src/bin/mutiple_trait_bounds.rs:67:4
[INFO] [stderr]    |
[INFO] [stderr] 67 | fn book_for_one_night<T: Accommodation + Description>(entity: &mut T, guest: &str) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `another_hour`
[INFO] [stderr]   --> src/bin/implementing_the_copy_trait.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let another_hour = one_hour;
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_another_hour`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `hours`, `minutes`, and `seconds` are never read
[INFO] [stderr]  --> src/bin/implementing_the_copy_trait.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | struct Duration {
[INFO] [stderr]   |        -------- fields in this struct
[INFO] [stderr] 3 |     hours: u32,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 4 |     minutes: u32,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 5 |     seconds: u32,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Duration` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `get_description` is never used
[INFO] [stderr]  --> src/bin/trait_bound_syntax.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | trait Accommodation {
[INFO] [stderr]   |       ------------- method in this trait
[INFO] [stderr] 4 |     fn get_description(&self) -> String{
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `name` is never read
[INFO] [stderr]   --> src/bin/trait_bound_syntax.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | struct Hotel {
[INFO] [stderr]    |        ----- field in this struct
[INFO] [stderr] 12 |     name: String,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Hotel` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: method `summarize` is never used
[INFO] [stderr]   --> src/bin/trait_bound_syntax.rs:24:8
[INFO] [stderr]    |
[INFO] [stderr] 16 | impl Hotel {
[INFO] [stderr]    | ---------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 24 |     fn summarize(&self) -> String {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `host` is never read
[INFO] [stderr]   --> src/bin/trait_bound_syntax.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 36 | struct AirBnB {
[INFO] [stderr]    |        ------ field in this struct
[INFO] [stderr] 37 |     host: String,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `AirBnB` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: function `book_for_one_night` is never used
[INFO] [stderr]   --> src/bin/trait_bound_syntax.rs:60:4
[INFO] [stderr]    |
[INFO] [stderr] 60 | fn book_for_one_night<T: Accommodation>(entity: &mut T, guest: &str) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/bin/traits_for_function_parameter_constraints.rs:61:27
[INFO] [stderr]    |
[INFO] [stderr] 61 |     entity.book(guest, 1);;
[INFO] [stderr]    |                           ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `get_description` is never used
[INFO] [stderr]  --> src/bin/traits_for_function_parameter_constraints.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | trait Accommodation {
[INFO] [stderr]   |       ------------- method in this trait
[INFO] [stderr] 4 |     fn get_description(&self) -> String{
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `name` is never read
[INFO] [stderr]   --> src/bin/traits_for_function_parameter_constraints.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | struct Hotel {
[INFO] [stderr]    |        ----- field in this struct
[INFO] [stderr] 12 |     name: String,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Hotel` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: method `summarize` is never used
[INFO] [stderr]   --> src/bin/traits_for_function_parameter_constraints.rs:24:8
[INFO] [stderr]    |
[INFO] [stderr] 16 | impl Hotel {
[INFO] [stderr]    | ---------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 24 |     fn summarize(&self) -> String {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `host` is never read
[INFO] [stderr]   --> src/bin/traits_for_function_parameter_constraints.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 36 | struct AirBnB {
[INFO] [stderr]    |        ------ field in this struct
[INFO] [stderr] 37 |     host: String,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `AirBnB` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hotel3`
[INFO] [stderr]   --> src/bin/traits_bounds_to_conditionally_implement_methods.rs:96:9
[INFO] [stderr]    |
[INFO] [stderr] 96 |     let hotel3 = Hotel::new(vec!["The Sweet Escape", "Hilton Edition"]);    
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_hotel3`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Accommodation` is never used
[INFO] [stderr]  --> src/bin/traits_bounds_to_conditionally_implement_methods.rs:4:7
[INFO] [stderr]   |
[INFO] [stderr] 4 | trait Accommodation {    
[INFO] [stderr]   |       ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `reservations` is never read
[INFO] [stderr]   --> src/bin/traits_bounds_to_conditionally_implement_methods.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | struct Hotel<T> {
[INFO] [stderr]    |        ----- field in this struct
[INFO] [stderr] 16 |     name: T,
[INFO] [stderr] 17 |     reservations: HashMap<String, u32>,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Hotel` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: struct `AirBnB` is never constructed
[INFO] [stderr]   --> src/bin/traits_bounds_to_conditionally_implement_methods.rs:45:8
[INFO] [stderr]    |
[INFO] [stderr] 45 | struct AirBnB {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/bin/traits_bounds_to_conditionally_implement_methods.rs:51:8
[INFO] [stderr]    |
[INFO] [stderr] 50 | impl AirBnB {
[INFO] [stderr]    | ----------- associated function in this implementation
[INFO] [stderr] 51 |     fn new(host: &str) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `book_for_one_night` is never used
[INFO] [stderr]   --> src/bin/traits_bounds_to_conditionally_implement_methods.rs:71:4
[INFO] [stderr]    |
[INFO] [stderr] 71 | fn book_for_one_night<T: Accommodation + Description>(entity: &mut T, guest: &str) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `mix_and_match` is never used
[INFO] [stderr]   --> src/bin/traits_bounds_to_conditionally_implement_methods.rs:75:4
[INFO] [stderr]    |
[INFO] [stderr] 75 | fn mix_and_match<T, U>(first: &mut T, second: &mut U, guest: &str,)
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `choose_best_place_to_stay` is never used
[INFO] [stderr]   --> src/bin/traits_bounds_to_conditionally_implement_methods.rs:86:4
[INFO] [stderr]    |
[INFO] [stderr] 86 | fn choose_best_place_to_stay() -> impl Accommodation + Description {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `traits` (bin "a_preview_of_trait_objects" test) generated 7 warnings
[INFO] [stderr] warning: `traits` (bin "implemeting_the_drop_trait" test) generated 1 warning (run `cargo fix --bin "implemeting_the_drop_trait" -p traits --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `traits` (bin "mutiple_trait_bounds" test) generated 3 warnings
[INFO] [stderr] warning: `traits` (bin "implementing_the_copy_trait" test) generated 2 warnings (run `cargo fix --bin "implementing_the_copy_trait" -p traits --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `traits` (bin "trait_bound_syntax" test) generated 5 warnings
[INFO] [stderr] warning: `traits` (bin "traits_for_function_parameter_constraints" test) generated 5 warnings
[INFO] [stderr] warning: `traits` (bin "traits_bounds_to_conditionally_implement_methods" test) generated 8 warnings (run `cargo fix --bin "traits_bounds_to_conditionally_implement_methods" -p traits --tests` to apply 1 suggestion)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/bin/coding_challenge.rs:111:9
[INFO] [stderr]     |
[INFO] [stderr] 111 |     let mut pepsi = Soda::new(300, 2.99, String::from("Cherry"));
[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: method `stats` is never used
[INFO] [stderr]  --> src/bin/coding_challenge.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | trait Drinkable {
[INFO] [stderr]   |       --------- method in this trait
[INFO] [stderr] ...
[INFO] [stderr] 6 |     fn stats(&self) {
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Whole` is never constructed
[INFO] [stderr]   --> src/bin/coding_challenge.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | enum Milk {
[INFO] [stderr]    |      ---- variant in this enum
[INFO] [stderr] 13 |     Whole,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Milk` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `name` is never read
[INFO] [stderr]   --> src/bin/traits_as_function_return_values.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | struct Hotel {
[INFO] [stderr]    |        ----- field in this struct
[INFO] [stderr] 15 |     name: String,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Hotel` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `summarize` is never used
[INFO] [stderr]   --> src/bin/traits_as_function_return_values.rs:27:8
[INFO] [stderr]    |
[INFO] [stderr] 19 | impl Hotel {
[INFO] [stderr]    | ---------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 27 |     fn summarize(&self) -> String {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `book_for_one_night` is never used
[INFO] [stderr]   --> src/bin/traits_as_function_return_values.rs:67:4
[INFO] [stderr]    |
[INFO] [stderr] 67 | fn book_for_one_night<T: Accommodation + Description>(entity: &mut T, guest: &str) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `name` is never read
[INFO] [stderr]   --> src/bin/where_clauses.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | struct Hotel {
[INFO] [stderr]    |        ----- field in this struct
[INFO] [stderr] 15 |     name: String,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Hotel` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `summarize` is never used
[INFO] [stderr]   --> src/bin/where_clauses.rs:27:8
[INFO] [stderr]    |
[INFO] [stderr] 19 | impl Hotel {
[INFO] [stderr]    | ---------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 27 |     fn summarize(&self) -> String {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `book_for_one_night` is never used
[INFO] [stderr]   --> src/bin/where_clauses.rs:67:4
[INFO] [stderr]    |
[INFO] [stderr] 67 | fn book_for_one_night<T: Accommodation + Description>(entity: &mut T, guest: &str) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Accommodation` is never used
[INFO] [stderr]  --> src/bin/defining_a_trait.rs:1:7
[INFO] [stderr]   |
[INFO] [stderr] 1 | trait Accommodation {
[INFO] [stderr]   |       ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `commute_time` is never read
[INFO] [stderr]  --> src/bin/implementing_the_partialord_trait.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct Job {
[INFO] [stderr]   |        --- field in this struct
[INFO] [stderr] 4 |     salary: u32,
[INFO] [stderr] 5 |     commute_time: u32,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `traits` (bin "coding_challenge" test) generated 3 warnings (run `cargo fix --bin "coding_challenge" -p traits --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `traits` (bin "traits_as_function_return_values" test) generated 3 warnings
[INFO] [stderr] warning: `traits` (bin "where_clauses" test) generated 3 warnings
[INFO] [stderr] warning: `traits` (bin "defining_a_trait" test) generated 1 warning
[INFO] [stderr] warning: `traits` (bin "implementing_the_partialord_trait" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/build/traits/67284e946bdc2426/deps/traits-67284e946bdc2426)
[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/a_preview_of_trait_objects.rs (/opt/rustwide/target/debug/build/traits/33e5bb157a333e6f/deps/a_preview_of_trait_objects-33e5bb157a333e6f)
[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/associated_constants_in_a_trait.rs (/opt/rustwide/target/debug/build/traits/37b25b35c59635e8/deps/associated_constants_in_a_trait-37b25b35c59635e8)
[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/associated_type_ii.rs (/opt/rustwide/target/debug/build/traits/a5bc4086ac1f22ce/deps/associated_type_ii-a5bc4086ac1f22ce)
[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/associated_types.rs (/opt/rustwide/target/debug/build/traits/887895ce9bcca8fb/deps/associated_types-887895ce9bcca8fb)
[INFO] [stderr]      Running unittests src/bin/calling_trait_method_from_another_method.rs (/opt/rustwide/target/debug/build/traits/ec5e9b721d4a613d/deps/calling_trait_method_from_another_method-ec5e9b721d4a613d)
[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] [stderr]      Running unittests src/bin/coding_challenge.rs (/opt/rustwide/target/debug/build/traits/4ac43ef9831f0a9c/deps/coding_challenge-4ac43ef9831f0a9c)
[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/default_implementations.rs (/opt/rustwide/target/debug/build/traits/e70e815a19f73478/deps/default_implementations-e70e815a19f73478)
[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/defining_a_trait.rs (/opt/rustwide/target/debug/build/traits/453a10887c1cb38a/deps/defining_a_trait-453a10887c1cb38a)
[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/defining_equality_for_different_types.rs (/opt/rustwide/target/debug/build/traits/4656af45a1489ed6/deps/defining_equality_for_different_types-4656af45a1489ed6)
[INFO] [stderr]      Running unittests src/bin/formatter_methods.rs (/opt/rustwide/target/debug/build/traits/cc474af88565f8ff/deps/formatter_methods-cc474af88565f8ff)
[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] [stderr]      Running unittests src/bin/getters_in_trait.rs (/opt/rustwide/target/debug/build/traits/83bd981931d03625/deps/getters_in_trait-83bd981931d03625)
[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/implementing_the_clone_trait.rs (/opt/rustwide/target/debug/build/traits/1380b45acb381f66/deps/implementing_the_clone_trait-1380b45acb381f66)
[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/implementing_the_copy_trait.rs (/opt/rustwide/target/debug/build/traits/66bb18ea0864d681/deps/implementing_the_copy_trait-66bb18ea0864d681)
[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/implementing_the_debug_trait.rs (/opt/rustwide/target/debug/build/traits/b0e23164d8ae2edc/deps/implementing_the_debug_trait-b0e23164d8ae2edc)
[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/implementing_the_display_trait_on_a_struct.rs (/opt/rustwide/target/debug/build/traits/9b406762dc544600/deps/implementing_the_display_trait_on_a_struct-9b406762dc544600)
[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/implementing_the_display_trait_on_an_enum.rs (/opt/rustwide/target/debug/build/traits/14eb98b1cedcc578/deps/implementing_the_display_trait_on_an_enum-14eb98b1cedcc578)
[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/implementing_the_partialeq_trait_for_enums.rs (/opt/rustwide/target/debug/build/traits/acaf12d63556b6cc/deps/implementing_the_partialeq_trait_for_enums-acaf12d63556b6cc)
[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/implementing_the_partialeq_trait_for_structs.rs (/opt/rustwide/target/debug/build/traits/2ac86b29a3d7009e/deps/implementing_the_partialeq_trait_for_structs-2ac86b29a3d7009e)
[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/implementing_the_partialord_trait.rs (/opt/rustwide/target/debug/build/traits/21fb6d8d95b2f87c/deps/implementing_the_partialord_trait-21fb6d8d95b2f87c)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/implementing_trait_for_struct_I.rs (/opt/rustwide/target/debug/build/traits/4091c5d99ce79e0a/deps/implementing_trait_for_struct_I-4091c5d99ce79e0a)
[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/implementing_trait_for_struct_II.rs (/opt/rustwide/target/debug/build/traits/3012a3157f5bc040/deps/implementing_trait_for_struct_II-3012a3157f5bc040)
[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/implemeting_the_drop_trait.rs (/opt/rustwide/target/debug/build/traits/141ff28a53383697/deps/implemeting_the_drop_trait-141ff28a53383697)
[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/mutiple_trait_bounds.rs (/opt/rustwide/target/debug/build/traits/b65666a8a7804be5/deps/mutiple_trait_bounds-b65666a8a7804be5)
[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/setters_in_traits.rs (/opt/rustwide/target/debug/build/traits/587356ae399c3ea3/deps/setters_in_traits-587356ae399c3ea3)
[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/supertraits_I.rs (/opt/rustwide/target/debug/build/traits/93a0c9c0e8911e0c/deps/supertraits_I-93a0c9c0e8911e0c)
[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/trait_bound_syntax.rs (/opt/rustwide/target/debug/build/traits/ac180f8a07600050/deps/trait_bound_syntax-ac180f8a07600050)
[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/trait_must_be_in_scope_to_use_its_definition.rs (/opt/rustwide/target/debug/build/traits/6f8369aaf2d39e35/deps/trait_must_be_in_scope_to_use_its_definition-6f8369aaf2d39e35)
[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/build/traits/d58c46f1c118f025/deps/traits-d58c46f1c118f025)
[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/traits_as_function_return_values.rs (/opt/rustwide/target/debug/build/traits/5cbe8ab115238c60/deps/traits_as_function_return_values-5cbe8ab115238c60)
[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/traits_bounds_to_conditionally_implement_methods.rs (/opt/rustwide/target/debug/build/traits/2b09ab93c2581640/deps/traits_bounds_to_conditionally_implement_methods-2b09ab93c2581640)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/traits_for_function_parameter_constraints.rs (/opt/rustwide/target/debug/build/traits/5f5cd6990e7e8d23/deps/traits_for_function_parameter_constraints-5f5cd6990e7e8d23)
[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/traits_with_generics.rs (/opt/rustwide/target/debug/build/traits/342e54301af76a03/deps/traits_with_generics-342e54301af76a03)
[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/where_clauses.rs (/opt/rustwide/target/debug/build/traits/4ec75690b277c1a5/deps/where_clauses-4ec75690b277c1a5)
[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]    Doc-tests traits
[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" "81add63f622935592fe42e0bbea04103a9141738e0af5dfc1ff29375f8ca35e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81add63f622935592fe42e0bbea04103a9141738e0af5dfc1ff29375f8ca35e4", kill_on_drop: false }`
[INFO] [stdout] 81add63f622935592fe42e0bbea04103a9141738e0af5dfc1ff29375f8ca35e4
