[INFO] cloning repository https://github.com/lfordyce/instructions
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lfordyce/instructions" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flfordyce%2Finstructions", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flfordyce%2Finstructions'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4d98745b8e71ead44b4d5e0097eed09ca77072a0
[INFO] checking lfordyce/instructions against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flfordyce%2Finstructions" "/workspace/builds/worker-39/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-39/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lfordyce/instructions on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lfordyce/instructions
[INFO] finished tweaking git repo https://github.com/lfordyce/instructions
[INFO] tweaked toml for git repo https://github.com/lfordyce/instructions written to /workspace/builds/worker-39/source/Cargo.toml
[INFO] crate git repo https://github.com/lfordyce/instructions already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d560edd6af8f5430ff3ed5fa6763f4a6b6f50da902949d0f2743fef74c749b8c
[INFO] running `Command { std: "docker" "start" "-a" "d560edd6af8f5430ff3ed5fa6763f4a6b6f50da902949d0f2743fef74c749b8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d560edd6af8f5430ff3ed5fa6763f4a6b6f50da902949d0f2743fef74c749b8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d560edd6af8f5430ff3ed5fa6763f4a6b6f50da902949d0f2743fef74c749b8c", kill_on_drop: false }`
[INFO] [stdout] d560edd6af8f5430ff3ed5fa6763f4a6b6f50da902949d0f2743fef74c749b8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f845abfca74724497e96f5446439033688e102fe9fc665dae3d383196dade1a
[INFO] running `Command { std: "docker" "start" "-a" "4f845abfca74724497e96f5446439033688e102fe9fc665dae3d383196dade1a", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo.
[INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously.
[INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html
[INFO] [stderr] When building the following dependencies, the given features will no longer be used:
[INFO] [stderr] 
[INFO] [stderr]   tokio v1.6.0: winapi
[INFO] [stderr] 
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]     Checking futures-sink v0.3.15
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling tokio v1.6.0
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking futures-executor v0.3.15
[INFO] [stderr]     Checking futures v0.3.15
[INFO] [stderr]     Checking instructions v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/lib.rs (1 fix)
[INFO] [stderr]        Fixed src/abstractions.rs (4 fixes)
[INFO] [stderr]        Fixed src/ray_tracing.rs (3 fixes)
[INFO] [stdout] warning: field is never read: `producer`
[INFO] [stdout]    --> src/abstractions.rs:182:5
[INFO] [stdout]     |
[INFO] [stdout] 182 |     producer: &'p CarFactory,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `store_ep`
[INFO] [stdout]    --> src/abstractions.rs:217:4
[INFO] [stdout]     |
[INFO] [stdout] 217 | fn store_ep<'a, EP, F>(func: F)
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `string`
[INFO] [stdout]    --> src/abstractions.rs:228:5
[INFO] [stdout]     |
[INFO] [stdout] 228 |     pub string: &'a str,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ifc`
[INFO] [stdout]    --> src/abstractions.rs:243:5
[INFO] [stdout]     |
[INFO] [stdout] 243 |     ifc: &'a mut Ifc,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `FactoryCreatorFactory`
[INFO] [stdout]   --> src/factory.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / type FactoryCreatorFactory<'a, Self_> =
[INFO] [stdout] 19 | |     <Self_ as FactoryCreatorHasFactory<'a, <Self_ as FactoryCreator>::Result>>::Factory;
[INFO] [stdout]    | |________________________________________________________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `spawn`
[INFO] [stdout]   --> src/factory.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn spawn<T: FactoryCreator>() -> T::Result {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `call_phone`
[INFO] [stdout]   --> src/factory.rs:82:4
[INFO] [stdout]    |
[INFO] [stdout] 82 | fn call_phone<F: for<'a> Factory<'a>>(f: F) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `normal`
[INFO] [stdout]   --> src/ray_tracing.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn normal(&self) -> Ray {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `collide`
[INFO] [stdout]   --> src/ray_tracing.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn collide(&self, ray: &Ray) -> Ray {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `albedo`
[INFO] [stdout]   --> src/ray_tracing.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn albedo(&self) -> &Vec3 {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cross`
[INFO] [stdout]    --> src/ray_tracing.rs:368:8
[INFO] [stdout]     |
[INFO] [stdout] 368 |     fn cross(&self, other: &Vec3) -> Vec3 {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `project`
[INFO] [stdout]    --> src/ray_tracing.rs:378:8
[INFO] [stdout]     |
[INFO] [stdout] 378 |     fn project(&self, onto: &Vec3) -> Vec3 {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rotate`
[INFO] [stdout]    --> src/ray_tracing.rs:381:8
[INFO] [stdout]     |
[INFO] [stdout] 381 |     fn rotate(&self, phi: f32, theta: f32) -> Vec3 {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test`
[INFO] [stdout]    --> src/lib.rs:167:10
[INFO] [stdout]     |
[INFO] [stdout] 167 | async fn test<BT>(bt: BT)
[INFO] [stdout]     |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `my_handler`
[INFO] [stdout]    --> src/lib.rs:184:14
[INFO] [stdout]     |
[INFO] [stdout] 184 |     async fn my_handler(&self) -> Result<(), ()> {
[INFO] [stdout]     |              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `state`
[INFO] [stdout]    --> src/lib.rs:212:5
[INFO] [stdout]     |
[INFO] [stdout] 212 |     state: Arc<S>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/plugin.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |         self.this.client_connected(client).await;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/plugin.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         self.next.client_connected(client).await;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `producer`
[INFO] [stdout]    --> src/abstractions.rs:182:5
[INFO] [stdout]     |
[INFO] [stdout] 182 |     producer: &'p CarFactory,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stdout] warning: function is never used: `store_ep`
[INFO] [stdout]    --> src/abstractions.rs:217:4
[INFO] [stdout]     |
[INFO] [stdout] 217 | fn store_ep<'a, EP, F>(func: F)
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating tests/syracuse_test.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/abstractions_test.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/ray_tracing_test.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/async_hrtb_test.rs from 2018 edition to 2021
[INFO] [stdout] warning: field is never read: `string`
[INFO] [stdout]    --> src/abstractions.rs:228:5
[INFO] [stdout]     |
[INFO] [stdout] 228 |     pub string: &'a str,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ifc`
[INFO] [stdout]    --> src/abstractions.rs:243:5
[INFO] [stdout]     |
[INFO] [stdout] 243 |     ifc: &'a mut Ifc,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `FactoryCreatorFactory`
[INFO] [stdout]   --> src/factory.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / type FactoryCreatorFactory<'a, Self_> =
[INFO] [stdout] 19 | |     <Self_ as FactoryCreatorHasFactory<'a, <Self_ as FactoryCreator>::Result>>::Factory;
[INFO] [stdout]    | |________________________________________________________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `spawn`
[INFO] [stdout]   --> src/factory.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn spawn<T: FactoryCreator>() -> T::Result {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `normal`
[INFO] [stdout]   --> src/ray_tracing.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn normal(&self) -> Ray {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `collide`
[INFO] [stdout]   --> src/ray_tracing.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn collide(&self, ray: &Ray) -> Ray {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `albedo`
[INFO] [stdout]   --> src/ray_tracing.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn albedo(&self) -> &Vec3 {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cross`
[INFO] [stdout]    --> src/ray_tracing.rs:368:8
[INFO] [stdout]     |
[INFO] [stdout] 368 |     fn cross(&self, other: &Vec3) -> Vec3 {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `project`
[INFO] [stdout]    --> src/ray_tracing.rs:378:8
[INFO] [stdout]     |
[INFO] [stdout] 378 |     fn project(&self, onto: &Vec3) -> Vec3 {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rotate`
[INFO] [stdout]    --> src/ray_tracing.rs:381:8
[INFO] [stdout]     |
[INFO] [stdout] 381 |     fn rotate(&self, phi: f32, theta: f32) -> Vec3 {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test`
[INFO] [stdout]    --> src/lib.rs:167:10
[INFO] [stdout]     |
[INFO] [stdout] 167 | async fn test<BT>(bt: BT)
[INFO] [stdout]     |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `my_handler`
[INFO] [stdout]    --> src/lib.rs:184:14
[INFO] [stdout]     |
[INFO] [stdout] 184 |     async fn my_handler(&self) -> Result<(), ()> {
[INFO] [stdout]     |              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `state`
[INFO] [stdout]    --> src/lib.rs:212:5
[INFO] [stdout]     |
[INFO] [stdout] 212 |     state: Arc<S>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/plugin.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |         self.this.client_connected(client).await;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/plugin.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         self.next.client_connected(client).await;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating tests/patterns_test.rs from 2018 edition to 2021
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]        Fixed src/main.rs (1 fix)
[INFO] [stderr]        Fixed tests/syracuse_test.rs (1 fix)
[INFO] [stdout] warning: unused import: `identities::Zero`
[INFO] [stdout]  --> tests/syracuse_test.rs:2:18
[INFO] [stdout]   |
[INFO] [stdout] 2 | use num_traits::{identities::Zero, PrimInt};
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `VarB`
[INFO] [stdout]   --> tests/syracuse_test.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 65 |     VarB(B),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]        Fixed tests/abstractions_test.rs (4 fixes)
[INFO] [stderr]        Fixed tests/ray_tracing_test.rs (3 fixes)
[INFO] [stderr]        Fixed tests/async_hrtb_test.rs (5 fixes)
[INFO] [stderr]        Fixed tests/patterns_test.rs (2 fixes)
[INFO] [stdout] warning: struct is never constructed: `Foo`
[INFO] [stdout]   --> tests/async_hrtb_test.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | struct Foo<'a> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `new_foo`
[INFO] [stdout]   --> tests/async_hrtb_test.rs:57:4
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn new_foo<'a>(
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `inner`
[INFO] [stdout]    --> tests/async_hrtb_test.rs:191:5
[INFO] [stdout]     |
[INFO] [stdout] 191 | /     inner: stream::Forward<
[INFO] [stdout] 192 | |         stream::Map<S, fn(S::Item) -> Result<S::Item, mpsc::SendError>>,
[INFO] [stdout] 193 | |         mpsc::Sender<S::Item>,
[INFO] [stdout] 194 | |     >,
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused implementer of `futures::Future` that must be used
[INFO] [stdout]    --> tests/async_hrtb_test.rs:116:5
[INFO] [stdout]     |
[INFO] [stdout] 116 |     take_async_callback(add);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: futures do nothing unless you `.await` or poll them
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused implementer of `futures::Future` that must be used
[INFO] [stdout]    --> tests/async_hrtb_test.rs:117:5
[INFO] [stdout]     |
[INFO] [stdout] 117 |     take_async_callback(add_explicit);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: futures do nothing unless you `.await` or poll them
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/async_hrtb_test.rs:157:5
[INFO] [stdout]     |
[INFO] [stdout] 157 |     ctx.next(&mut ClientConn).await;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.45s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tokio v1.6.0
[INFO] [stderr]     Checking instructions v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: field is never read: `producer`
[INFO] [stdout]    --> src/abstractions.rs:182:5
[INFO] [stdout]     |
[INFO] [stdout] 182 |     producer: &'p CarFactory,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `store_ep`
[INFO] [stdout]    --> src/abstractions.rs:217:4
[INFO] [stdout]     |
[INFO] [stdout] 217 | fn store_ep<'a, EP, F>(func: F)
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `string`
[INFO] [stdout]    --> src/abstractions.rs:228:5
[INFO] [stdout]     |
[INFO] [stdout] 228 |     pub string: &'a str,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ifc`
[INFO] [stdout]    --> src/abstractions.rs:243:5
[INFO] [stdout]     |
[INFO] [stdout] 243 |     ifc: &'a mut Ifc,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `FactoryCreatorFactory`
[INFO] [stdout]   --> src/factory.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / type FactoryCreatorFactory<'a, Self_> =
[INFO] [stdout] 19 | |     <Self_ as FactoryCreatorHasFactory<'a, <Self_ as FactoryCreator>::Result>>::Factory;
[INFO] [stdout]    | |________________________________________________________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `spawn`
[INFO] [stdout]   --> src/factory.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn spawn<T: FactoryCreator>() -> T::Result {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `call_phone`
[INFO] [stdout]   --> src/factory.rs:82:4
[INFO] [stdout]    |
[INFO] [stdout] 82 | fn call_phone<F: for<'a> Factory<'a>>(f: F) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `normal`
[INFO] [stdout]   --> src/ray_tracing.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn normal(&self) -> Ray {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `collide`
[INFO] [stdout]   --> src/ray_tracing.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn collide(&self, ray: &Ray) -> Ray {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `albedo`
[INFO] [stdout]   --> src/ray_tracing.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn albedo(&self) -> &Vec3 {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cross`
[INFO] [stdout]    --> src/ray_tracing.rs:368:8
[INFO] [stdout]     |
[INFO] [stdout] 368 |     fn cross(&self, other: &Vec3) -> Vec3 {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `project`
[INFO] [stdout]    --> src/ray_tracing.rs:378:8
[INFO] [stdout]     |
[INFO] [stdout] 378 |     fn project(&self, onto: &Vec3) -> Vec3 {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rotate`
[INFO] [stdout]    --> src/ray_tracing.rs:381:8
[INFO] [stdout]     |
[INFO] [stdout] 381 |     fn rotate(&self, phi: f32, theta: f32) -> Vec3 {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test`
[INFO] [stdout]    --> src/lib.rs:167:10
[INFO] [stdout]     |
[INFO] [stdout] 167 | async fn test<BT>(bt: BT)
[INFO] [stdout]     |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `my_handler`
[INFO] [stdout]    --> src/lib.rs:184:14
[INFO] [stdout]     |
[INFO] [stdout] 184 |     async fn my_handler(&self) -> Result<(), ()> {
[INFO] [stdout]     |              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `state`
[INFO] [stdout]    --> src/lib.rs:212:5
[INFO] [stdout]     |
[INFO] [stdout] 212 |     state: Arc<S>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/plugin.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |         self.this.client_connected(client).await;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/plugin.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         self.next.client_connected(client).await;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `producer`
[INFO] [stdout]    --> src/abstractions.rs:182:5
[INFO] [stdout]     |
[INFO] [stdout] 182 |     producer: &'p CarFactory,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `store_ep`
[INFO] [stdout]    --> src/abstractions.rs:217:4
[INFO] [stdout]     |
[INFO] [stdout] 217 | fn store_ep<'a, EP, F>(func: F)
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `string`
[INFO] [stdout]    --> src/abstractions.rs:228:5
[INFO] [stdout]     |
[INFO] [stdout] 228 |     pub string: &'a str,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ifc`
[INFO] [stdout]    --> src/abstractions.rs:243:5
[INFO] [stdout]     |
[INFO] [stdout] 243 |     ifc: &'a mut Ifc,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `FactoryCreatorFactory`
[INFO] [stdout]   --> src/factory.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / type FactoryCreatorFactory<'a, Self_> =
[INFO] [stdout] 19 | |     <Self_ as FactoryCreatorHasFactory<'a, <Self_ as FactoryCreator>::Result>>::Factory;
[INFO] [stdout]    | |________________________________________________________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `spawn`
[INFO] [stdout]   --> src/factory.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn spawn<T: FactoryCreator>() -> T::Result {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `normal`
[INFO] [stdout]   --> src/ray_tracing.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn normal(&self) -> Ray {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `collide`
[INFO] [stdout]   --> src/ray_tracing.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn collide(&self, ray: &Ray) -> Ray {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `albedo`
[INFO] [stdout]   --> src/ray_tracing.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn albedo(&self) -> &Vec3 {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cross`
[INFO] [stdout]    --> src/ray_tracing.rs:368:8
[INFO] [stdout]     |
[INFO] [stdout] 368 |     fn cross(&self, other: &Vec3) -> Vec3 {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `project`
[INFO] [stdout]    --> src/ray_tracing.rs:378:8
[INFO] [stdout]     |
[INFO] [stdout] 378 |     fn project(&self, onto: &Vec3) -> Vec3 {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rotate`
[INFO] [stdout]    --> src/ray_tracing.rs:381:8
[INFO] [stdout]     |
[INFO] [stdout] 381 |     fn rotate(&self, phi: f32, theta: f32) -> Vec3 {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test`
[INFO] [stdout]    --> src/lib.rs:167:10
[INFO] [stdout]     |
[INFO] [stdout] 167 | async fn test<BT>(bt: BT)
[INFO] [stdout]     |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `my_handler`
[INFO] [stdout]    --> src/lib.rs:184:14
[INFO] [stdout]     |
[INFO] [stdout] 184 |     async fn my_handler(&self) -> Result<(), ()> {
[INFO] [stdout]     |              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `state`
[INFO] [stdout]    --> src/lib.rs:212:5
[INFO] [stdout]     |
[INFO] [stdout] 212 |     state: Arc<S>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/plugin.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |         self.this.client_connected(client).await;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/plugin.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         self.next.client_connected(client).await;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `identities::Zero`
[INFO] [stdout]  --> tests/syracuse_test.rs:2:18
[INFO] [stdout]   |
[INFO] [stdout] 2 | use num_traits::{identities::Zero, PrimInt};
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `VarB`
[INFO] [stdout]   --> tests/syracuse_test.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 65 |     VarB(B),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Foo`
[INFO] [stdout]   --> tests/async_hrtb_test.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | struct Foo<'a> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `new_foo`
[INFO] [stdout]   --> tests/async_hrtb_test.rs:57:4
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn new_foo<'a>(
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `inner`
[INFO] [stdout]    --> tests/async_hrtb_test.rs:191:5
[INFO] [stdout]     |
[INFO] [stdout] 191 | /     inner: stream::Forward<
[INFO] [stdout] 192 | |         stream::Map<S, fn(S::Item) -> Result<S::Item, mpsc::SendError>>,
[INFO] [stdout] 193 | |         mpsc::Sender<S::Item>,
[INFO] [stdout] 194 | |     >,
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused implementer of `futures::Future` that must be used
[INFO] [stdout]    --> tests/async_hrtb_test.rs:116:5
[INFO] [stdout]     |
[INFO] [stdout] 116 |     take_async_callback(add);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: futures do nothing unless you `.await` or poll them
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused implementer of `futures::Future` that must be used
[INFO] [stdout]    --> tests/async_hrtb_test.rs:117:5
[INFO] [stdout]     |
[INFO] [stdout] 117 |     take_async_callback(add_explicit);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: futures do nothing unless you `.await` or poll them
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/async_hrtb_test.rs:157:5
[INFO] [stdout]     |
[INFO] [stdout] 157 |     ctx.next(&mut ClientConn).await;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.10s
[INFO] running `Command { std: "docker" "inspect" "4f845abfca74724497e96f5446439033688e102fe9fc665dae3d383196dade1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f845abfca74724497e96f5446439033688e102fe9fc665dae3d383196dade1a", kill_on_drop: false }`
[INFO] [stdout] 4f845abfca74724497e96f5446439033688e102fe9fc665dae3d383196dade1a