[INFO] cloning repository https://github.com/RedGradient/rust-patterns
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RedGradient/rust-patterns" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRedGradient%2Frust-patterns", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRedGradient%2Frust-patterns'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 72ffd57da2993c139014cb3244c2dd589833db78
[INFO] testing RedGradient/rust-patterns/72ffd57da2993c139014cb3244c2dd589833db78 against beta-2024-09-05 for beta-1.82-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRedGradient%2Frust-patterns" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RedGradient/rust-patterns on toolchain beta-2024-09-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-09-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RedGradient/rust-patterns
[INFO] finished tweaking git repo https://github.com/RedGradient/rust-patterns
[INFO] tweaked toml for git repo https://github.com/RedGradient/rust-patterns written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/RedGradient/rust-patterns 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" "+beta-2024-09-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-09-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 329c5e14eb996702187d4875b30cc60b34329af8d06a6a7ab97e476f00885630
[INFO] running `Command { std: "docker" "start" "-a" "329c5e14eb996702187d4875b30cc60b34329af8d06a6a7ab97e476f00885630", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "329c5e14eb996702187d4875b30cc60b34329af8d06a6a7ab97e476f00885630", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "329c5e14eb996702187d4875b30cc60b34329af8d06a6a7ab97e476f00885630", kill_on_drop: false }`
[INFO] [stdout] 329c5e14eb996702187d4875b30cc60b34329af8d06a6a7ab97e476f00885630
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-09-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3013858b2650d41403f08bd3bb88b647340e9cb1a3675df926e9612604aa23d
[INFO] running `Command { std: "docker" "start" "-a" "c3013858b2650d41403f08bd3bb88b647340e9cb1a3675df926e9612604aa23d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling thiserror-impl v1.0.38
[INFO] [stderr]    Compiling patterns v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `Generic` and `Static` are never constructed
[INFO] [stdout]  --> src/errors.rs:5:2
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum Error {
[INFO] [stdout]   |          ----- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 5 |     Generic(String),
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 8 |     Static(&'static str),
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Request` is never constructed
[INFO] [stdout]  --> src/builder.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Request {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Request` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `url`, `method`, `headers`, and `body` are never read
[INFO] [stdout]   --> src/builder.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct RequestBuilder {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout] 13 |     url: Option<String>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 14 |     method: Option<String>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 15 |     headers: Vec<(String, String)>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 16 |     body: Option<String>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RequestBuilder` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `url`, `method`, `header`, `body`, and `build` are never used
[INFO] [stdout]   --> src/builder.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl RequestBuilder {
[INFO] [stdout]    | ------------------- associated items in this implementation
[INFO] [stdout] 20 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn url(mut self, url: impl Into<String>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn method(mut self, method: impl Into<String>) -> Self {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn header(mut self, header: impl Into<(String, String)>) -> Self {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub fn body(mut self, body: impl Into<String>) -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn build(self) -> Result<Request> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `url`, `method`, `headers`, and `body` are never read
[INFO] [stdout]  --> src/type_state_builder.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Request {
[INFO] [stdout]   |            ------- fields in this struct
[INFO] [stdout] 5 |     url: String,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 6 |     method: String,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 7 |     headers: Vec<(String, String)>,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 8 |     body: Option<String>,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Request` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `header` and `body` are never used
[INFO] [stdout]   --> src/type_state_builder.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 46 | impl<U> RequestBuilder<U> {
[INFO] [stdout]    | ------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn header(mut self, header: impl Into<(String, String)>) -> Self {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     pub fn body(mut self, body: impl Into<String>) -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]   --> src/builder.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         self.url.insert(url.into());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you intended to set a value, consider assignment instead
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let _ = self.url.insert(url.into());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]   --> src/builder.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         self.method.insert(method.into());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let _ = self.method.insert(method.into());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]   --> src/builder.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |         self.body.insert(body.into());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let _ = self.body.insert(body.into());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]   --> src/type_state_builder.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         self.method.insert(method.into());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let _ = self.method.insert(method.into());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]   --> src/type_state_builder.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |         self.body.insert(body.into());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let _ = self.body.insert(body.into());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.60s
[INFO] running `Command { std: "docker" "inspect" "c3013858b2650d41403f08bd3bb88b647340e9cb1a3675df926e9612604aa23d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3013858b2650d41403f08bd3bb88b647340e9cb1a3675df926e9612604aa23d", kill_on_drop: false }`
[INFO] [stdout] c3013858b2650d41403f08bd3bb88b647340e9cb1a3675df926e9612604aa23d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-09-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6c8a220799d8f18be0987ca681107bf5e49b570722437ae40629a5e4d9091c0
[INFO] running `Command { std: "docker" "start" "-a" "e6c8a220799d8f18be0987ca681107bf5e49b570722437ae40629a5e4d9091c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling patterns v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `Generic` and `Static` are never constructed
[INFO] [stdout]  --> src/errors.rs:5:2
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum Error {
[INFO] [stdout]   |          ----- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 5 |     Generic(String),
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 8 |     Static(&'static str),
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Request` is never constructed
[INFO] [stdout]  --> src/builder.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Request {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Request` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `url`, `method`, `headers`, and `body` are never read
[INFO] [stdout]   --> src/builder.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct RequestBuilder {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout] 13 |     url: Option<String>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 14 |     method: Option<String>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 15 |     headers: Vec<(String, String)>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 16 |     body: Option<String>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RequestBuilder` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `url`, `method`, `header`, `body`, and `build` are never used
[INFO] [stdout]   --> src/builder.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl RequestBuilder {
[INFO] [stdout]    | ------------------- associated items in this implementation
[INFO] [stdout] 20 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn url(mut self, url: impl Into<String>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn method(mut self, method: impl Into<String>) -> Self {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn header(mut self, header: impl Into<(String, String)>) -> Self {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub fn body(mut self, body: impl Into<String>) -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn build(self) -> Result<Request> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `url`, `method`, `headers`, and `body` are never read
[INFO] [stdout]  --> src/type_state_builder.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Request {
[INFO] [stdout]   |            ------- fields in this struct
[INFO] [stdout] 5 |     url: String,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 6 |     method: String,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 7 |     headers: Vec<(String, String)>,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 8 |     body: Option<String>,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Request` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `header` and `body` are never used
[INFO] [stdout]   --> src/type_state_builder.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 46 | impl<U> RequestBuilder<U> {
[INFO] [stdout]    | ------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn header(mut self, header: impl Into<(String, String)>) -> Self {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     pub fn body(mut self, body: impl Into<String>) -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]   --> src/builder.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         self.url.insert(url.into());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you intended to set a value, consider assignment instead
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let _ = self.url.insert(url.into());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]   --> src/builder.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         self.method.insert(method.into());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let _ = self.method.insert(method.into());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]   --> src/builder.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |         self.body.insert(body.into());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let _ = self.body.insert(body.into());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]   --> src/type_state_builder.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         self.method.insert(method.into());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let _ = self.method.insert(method.into());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stdout]   --> src/type_state_builder.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |         self.body.insert(body.into());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you intended to set a value, consider assignment instead
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let _ = self.body.insert(body.into());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "e6c8a220799d8f18be0987ca681107bf5e49b570722437ae40629a5e4d9091c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6c8a220799d8f18be0987ca681107bf5e49b570722437ae40629a5e4d9091c0", kill_on_drop: false }`
[INFO] [stdout] e6c8a220799d8f18be0987ca681107bf5e49b570722437ae40629a5e4d9091c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-09-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 46b31bf31a98e494b31e7bc6e69dc65cc656e7a90df9cc27536c97a812ddbe1c
[INFO] running `Command { std: "docker" "start" "-a" "46b31bf31a98e494b31e7bc6e69dc65cc656e7a90df9cc27536c97a812ddbe1c", kill_on_drop: false }`
[INFO] [stderr] warning: variants `Generic` and `Static` are never constructed
[INFO] [stderr]  --> src/errors.rs:5:2
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub enum Error {
[INFO] [stderr]   |          ----- variants in this enum
[INFO] [stderr] ...
[INFO] [stderr] 5 |     Generic(String),
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 8 |     Static(&'static str),
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Request` is never constructed
[INFO] [stderr]  --> src/builder.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Request {
[INFO] [stderr]   |            ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Request` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `url`, `method`, `headers`, and `body` are never read
[INFO] [stderr]   --> src/builder.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub struct RequestBuilder {
[INFO] [stderr]    |            -------------- fields in this struct
[INFO] [stderr] 13 |     url: Option<String>,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 14 |     method: Option<String>,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 15 |     headers: Vec<(String, String)>,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 16 |     body: Option<String>,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `RequestBuilder` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `url`, `method`, `header`, `body`, and `build` are never used
[INFO] [stderr]   --> src/builder.rs:20:12
[INFO] [stderr]    |
[INFO] [stderr] 19 | impl RequestBuilder {
[INFO] [stderr]    | ------------------- associated items in this implementation
[INFO] [stderr] 20 |     pub fn new() -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 24 |     pub fn url(mut self, url: impl Into<String>) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 28 |     pub fn method(mut self, method: impl Into<String>) -> Self {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 32 |     pub fn header(mut self, header: impl Into<(String, String)>) -> Self {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 36 |     pub fn body(mut self, body: impl Into<String>) -> Self {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 41 |     pub fn build(self) -> Result<Request> {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `url`, `method`, `headers`, and `body` are never read
[INFO] [stderr]  --> src/type_state_builder.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Request {
[INFO] [stderr]   |            ------- fields in this struct
[INFO] [stderr] 5 |     url: String,
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 6 |     method: String,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 7 |     headers: Vec<(String, String)>,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 8 |     body: Option<String>,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Request` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: methods `header` and `body` are never used
[INFO] [stderr]   --> src/type_state_builder.rs:60:12
[INFO] [stderr]    |
[INFO] [stderr] 46 | impl<U> RequestBuilder<U> {
[INFO] [stderr]    | ------------------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 60 |     pub fn header(mut self, header: impl Into<(String, String)>) -> Self {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 64 |     pub fn body(mut self, body: impl Into<String>) -> Self {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stderr]   --> src/builder.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |         self.url.insert(url.into());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if you intended to set a value, consider assignment instead
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 25 |         let _ = self.url.insert(url.into());
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stderr]   --> src/builder.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |         self.method.insert(method.into());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if you intended to set a value, consider assignment instead
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 29 |         let _ = self.method.insert(method.into());
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stderr]   --> src/builder.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |         self.body.insert(body.into());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if you intended to set a value, consider assignment instead
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 37 |         let _ = self.body.insert(body.into());
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stderr]   --> src/type_state_builder.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |         self.method.insert(method.into());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if you intended to set a value, consider assignment instead
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 57 |         let _ = self.method.insert(method.into());
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Option::<T>::insert` that must be used
[INFO] [stderr]   --> src/type_state_builder.rs:65:9
[INFO] [stderr]    |
[INFO] [stderr] 65 |         self.body.insert(body.into());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if you intended to set a value, consider assignment instead
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 65 |         let _ = self.body.insert(body.into());
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `patterns` (bin "patterns" test) generated 11 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/patterns-25bd1d61836c80a5)
[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" "46b31bf31a98e494b31e7bc6e69dc65cc656e7a90df9cc27536c97a812ddbe1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46b31bf31a98e494b31e7bc6e69dc65cc656e7a90df9cc27536c97a812ddbe1c", kill_on_drop: false }`
[INFO] [stdout] 46b31bf31a98e494b31e7bc6e69dc65cc656e7a90df9cc27536c97a812ddbe1c