[INFO] cloning repository https://github.com/Sam-Jeston/oxidize [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Sam-Jeston/oxidize" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSam-Jeston%2Foxidize", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSam-Jeston%2Foxidize'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7144ca36cdb1bec94df8ae91fb77d21c94542a5b [INFO] checking Sam-Jeston/oxidize against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSam-Jeston%2Foxidize" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/Sam-Jeston/oxidize [INFO] finished tweaking git repo https://github.com/Sam-Jeston/oxidize [INFO] tweaked toml for git repo https://github.com/Sam-Jeston/oxidize written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Sam-Jeston/oxidize on toolchain b1f2594eac607c1f051534800237eeedb5590a49 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/Sam-Jeston/oxidize 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c05bba707072734380f653f05d4d471e67057cbca1b67c3a43445b17ce2e962d [INFO] running `Command { std: "docker" "start" "-a" "c05bba707072734380f653f05d4d471e67057cbca1b67c3a43445b17ce2e962d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c05bba707072734380f653f05d4d471e67057cbca1b67c3a43445b17ce2e962d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c05bba707072734380f653f05d4d471e67057cbca1b67c3a43445b17ce2e962d", kill_on_drop: false }` [INFO] [stdout] c05bba707072734380f653f05d4d471e67057cbca1b67c3a43445b17ce2e962d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 10d45780fd7f4a39c31f76b0a0be6a78d0398eaa32e7e56e790a07eff81987ca [INFO] running `Command { std: "docker" "start" "-a" "10d45780fd7f4a39c31f76b0a0be6a78d0398eaa32e7e56e790a07eff81987ca", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Checking libc v0.2.23 [INFO] [stderr] Checking byteorder v1.0.0 [INFO] [stderr] Checking futures v0.1.14 [INFO] [stderr] Compiling semver v0.1.20 [INFO] [stderr] Checking log v0.3.8 [INFO] [stderr] Checking cfg-if v0.1.1 [INFO] [stderr] Checking lazycell v0.4.0 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Checking slab v0.3.0 [INFO] [stderr] Checking scoped-tls v0.1.0 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Checking smallvec v0.2.1 [INFO] [stderr] Checking take v0.1.0 [INFO] [stderr] Checking safemem v0.2.0 [INFO] [stderr] Checking dtoa v0.4.1 [INFO] [stderr] Checking num-traits v0.1.37 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Checking serde v1.0.8 [INFO] [stderr] Checking httparse v1.2.3 [INFO] [stderr] Checking language-tags v0.2.2 [INFO] [stderr] Checking itoa v0.3.1 [INFO] [stderr] Checking percent-encoding v1.0.0 [INFO] [stderr] Checking yaml-rust v0.3.5 [INFO] [stderr] Checking iovec v0.1.0 [INFO] [stderr] Checking net2 v0.2.29 [INFO] [stderr] Checking rand v0.3.15 [INFO] [stderr] Checking num_cpus v1.5.0 [INFO] [stderr] Checking time v0.1.37 [INFO] [stderr] Checking bytes v0.4.4 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling rustc_version v0.1.7 [INFO] [stderr] Checking base64 v0.6.0 [INFO] [stderr] Checking mio v0.6.9 [INFO] [stderr] Compiling unicase v2.0.0 [INFO] [stderr] Checking mime v0.3.2 [INFO] [stderr] Compiling serde_derive_internals v0.15.1 [INFO] [stderr] Compiling serde_derive v1.0.8 [INFO] [stderr] Checking tokio-io v0.1.2 [INFO] [stderr] Checking tokio-service v0.1.0 [INFO] [stderr] Checking futures-cpupool v0.1.5 [INFO] [stderr] Checking tokio-core v0.1.8 [INFO] [stderr] Checking tokio-proto v0.1.1 [INFO] [stderr] Checking serde_json v1.0.2 [INFO] [stderr] Checking hyper v0.11.0 [INFO] [stderr] Checking oxidize v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Request`, `Response`, and `Service` [INFO] [stdout] --> src/main.rs:11:27 [INFO] [stdout] | [INFO] [stdout] 11 | use hyper::server::{Http, Request, Response, Service}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^^ ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Request`, `Response`, and `Service` [INFO] [stdout] --> src/main.rs:11:27 [INFO] [stdout] | [INFO] [stdout] 11 | use hyper::server::{Http, Request, Response, Service}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^^ ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/config_loader/server_block.rs:39:13 [INFO] [stdout] | [INFO] [stdout] 39 | let mut parent_ref = base_accumulator.iter_mut().find(|asb| asb.port == block.port).unwrap(); [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/config_loader/server_block.rs:39:13 [INFO] [stdout] | [INFO] [stdout] 39 | let mut parent_ref = base_accumulator.iter_mut().find(|asb| asb.port == block.port).unwrap(); [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: unused variable: `hyper_client` [INFO] [stdout] --> src/request_handler/mod.rs:165:5 [INFO] [stdout] | [INFO] [stdout] 165 | hyper_client: &Client, [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hyper_client` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `el_handle` [INFO] [stdout] --> src/request_handler/mod.rs:166:5 [INFO] [stdout] | [INFO] [stdout] 166 | el_handle: &reactor::Handle, [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_el_handle` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/config_loader/server_block.rs:1:10 [INFO] [stdout] | [INFO] [stdout] 1 | #[derive(Serialize, Deserialize, Debug, Clone)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | `ServerBlock` is not local [INFO] [stdout] | `Serialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_ServerBlock` [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Serialize` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: `#[warn(non_local_definitions)]` on by default [INFO] [stdout] = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/config_loader/server_block.rs:1:21 [INFO] [stdout] | [INFO] [stdout] 1 | #[derive(Serialize, Deserialize, Debug, Clone)] [INFO] [stdout] | -^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | `ServerBlock` is not local [INFO] [stdout] | `Deserialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_ServerBlock` [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Deserialize` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/config_loader/server_block.rs:11:10 [INFO] [stdout] | [INFO] [stdout] 11 | #[derive(Serialize, Deserialize, Debug, Clone)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | `UpstreamOption` is not local [INFO] [stdout] | `Serialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_UpstreamOption` [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Serialize` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/config_loader/server_block.rs:11:21 [INFO] [stdout] | [INFO] [stdout] 11 | #[derive(Serialize, Deserialize, Debug, Clone)] [INFO] [stdout] | -^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | `UpstreamOption` is not local [INFO] [stdout] | `Deserialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_UpstreamOption` [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Deserialize` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/request_handler/mod.rs:49:28 [INFO] [stdout] | [INFO] [stdout] 49 | let path_ref = path.clone(); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `hyper_client` [INFO] [stdout] --> src/request_handler/mod.rs:165:5 [INFO] [stdout] | [INFO] [stdout] 165 | hyper_client: &Client, [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hyper_client` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `el_handle` [INFO] [stdout] --> src/request_handler/mod.rs:166:5 [INFO] [stdout] | [INFO] [stdout] 166 | el_handle: &reactor::Handle, [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_el_handle` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/config_loader/server_block.rs:1:10 [INFO] [stdout] | [INFO] [stdout] 1 | #[derive(Serialize, Deserialize, Debug, Clone)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | `ServerBlock` is not local [INFO] [stdout] | `Serialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_ServerBlock` [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Serialize` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: `#[warn(non_local_definitions)]` on by default [INFO] [stdout] = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/config_loader/server_block.rs:1:21 [INFO] [stdout] | [INFO] [stdout] 1 | #[derive(Serialize, Deserialize, Debug, Clone)] [INFO] [stdout] | -^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | `ServerBlock` is not local [INFO] [stdout] | `Deserialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_ServerBlock` [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Deserialize` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/config_loader/server_block.rs:11:10 [INFO] [stdout] | [INFO] [stdout] 11 | #[derive(Serialize, Deserialize, Debug, Clone)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | `UpstreamOption` is not local [INFO] [stdout] | `Serialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_UpstreamOption` [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Serialize` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/config_loader/server_block.rs:11:21 [INFO] [stdout] | [INFO] [stdout] 11 | #[derive(Serialize, Deserialize, Debug, Clone)] [INFO] [stdout] | -^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | `UpstreamOption` is not local [INFO] [stdout] | `Deserialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_UpstreamOption` [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Deserialize` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/request_handler/mod.rs:49:28 [INFO] [stdout] | [INFO] [stdout] 49 | let path_ref = path.clone(); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.41s [INFO] running `Command { std: "docker" "inspect" "10d45780fd7f4a39c31f76b0a0be6a78d0398eaa32e7e56e790a07eff81987ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "10d45780fd7f4a39c31f76b0a0be6a78d0398eaa32e7e56e790a07eff81987ca", kill_on_drop: false }` [INFO] [stdout] 10d45780fd7f4a39c31f76b0a0be6a78d0398eaa32e7e56e790a07eff81987ca