[INFO] cloning repository https://github.com/softprops/devtogo [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/softprops/devtogo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoftprops%2Fdevtogo", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoftprops%2Fdevtogo'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b49fa3ead0e7cb042ae345ee864971f1deeac27a [INFO] checking softprops/devtogo against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoftprops%2Fdevtogo" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/softprops/devtogo [INFO] finished tweaking git repo https://github.com/softprops/devtogo [INFO] tweaked toml for git repo https://github.com/softprops/devtogo written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/softprops/devtogo on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/softprops/devtogo 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition [INFO] [stderr] (in the `reqwest` dependency) [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded generic-array v0.14.2 [INFO] [stderr] Downloaded sha2 v0.9.0 [INFO] [stderr] Downloaded wasm-timer v0.2.4 [INFO] [stderr] Downloaded serde_derive v1.0.112 [INFO] [stderr] Downloaded again v0.1.2 [INFO] [stderr] Downloaded frontmatter v0.4.0 [INFO] [stderr] Downloaded ntapi v0.3.4 [INFO] [stderr] Downloaded block-buffer v0.8.0 [INFO] [stderr] Downloaded encoding_rs v0.8.23 [INFO] [stderr] Downloaded ring v0.16.14 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 29757b7691ba4af7ab0e72fe0bbeee01c38bc06bacc3374e54587749e38f5d0c [INFO] running `Command { std: "docker" "start" "-a" "29757b7691ba4af7ab0e72fe0bbeee01c38bc06bacc3374e54587749e38f5d0c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "29757b7691ba4af7ab0e72fe0bbeee01c38bc06bacc3374e54587749e38f5d0c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "29757b7691ba4af7ab0e72fe0bbeee01c38bc06bacc3374e54587749e38f5d0c", kill_on_drop: false }` [INFO] [stdout] 29757b7691ba4af7ab0e72fe0bbeee01c38bc06bacc3374e54587749e38f5d0c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d7c9c827c98f13e2fde0d04458557edbe6992e98fe8f6c232c7e5c268d035710 [INFO] running `Command { std: "docker" "start" "-a" "d7c9c827c98f13e2fde0d04458557edbe6992e98fe8f6c232c7e5c268d035710", kill_on_drop: false }` [INFO] [stderr] warning: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition [INFO] [stderr] (in the `reqwest` dependency) [INFO] [stderr] Compiling libc v0.2.108 [INFO] [stderr] Compiling syn v1.0.82 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Checking futures-sink v0.3.5 [INFO] [stderr] Compiling cc v1.0.54 [INFO] [stderr] Compiling tokio v1.14.0 [INFO] [stderr] Checking futures-channel v0.3.5 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Checking bytes v0.5.4 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.2 [INFO] [stderr] Compiling generic-array v0.14.2 [INFO] [stderr] Compiling serde v1.0.112 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking http v0.2.1 [INFO] [stderr] Compiling proc-macro-error v1.0.2 [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking getrandom v0.1.14 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Checking try-lock v0.2.2 [INFO] [stderr] Checking smallvec v1.4.0 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Compiling ring v0.16.14 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking socket2 v0.3.19 [INFO] [stderr] Checking parking_lot_core v0.6.2 [INFO] [stderr] Checking unicode-normalization v0.1.12 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Compiling serde_json v1.0.55 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Compiling encoding_rs v0.8.23 [INFO] [stderr] Checking tower-service v0.3.0 [INFO] [stderr] Checking block-padding v0.1.5 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking parking_lot v0.9.0 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking aho-corasick v0.7.13 [INFO] [stderr] Checking regex-syntax v0.6.18 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Compiling anyhow v1.0.31 [INFO] [stderr] Checking clap v2.33.1 [INFO] [stderr] Checking url v2.2.2 [INFO] [stderr] Checking block-buffer v0.8.0 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking http-body v0.4.4 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Checking opaque-debug v0.2.3 [INFO] [stderr] Checking sha2 v0.9.0 [INFO] [stderr] Checking chrono v0.4.11 [INFO] [stderr] Checking frontmatter v0.4.0 [INFO] [stderr] Checking colored v2.0.0 [INFO] [stderr] Checking webpki v0.21.3 [INFO] [stderr] Checking sct v0.6.0 [INFO] [stderr] Checking env_logger v0.9.0 [INFO] [stderr] Checking rustls v0.19.1 [INFO] [stderr] Checking webpki-roots v0.21.1 [INFO] [stderr] Compiling syn-mid v0.5.0 [INFO] [stderr] Compiling pin-project-internal v0.4.22 [INFO] [stderr] Compiling futures-macro v0.3.5 [INFO] [stderr] Compiling tokio-macros v1.6.0 [INFO] [stderr] Compiling pin-project-internal v1.0.8 [INFO] [stderr] Compiling serde_derive v1.0.112 [INFO] [stderr] Compiling structopt-derive v0.4.7 [INFO] [stderr] Checking pin-project v0.4.22 [INFO] [stderr] Checking pin-project v1.0.8 [INFO] [stderr] Checking futures-util v0.3.5 [INFO] [stderr] Checking structopt v0.3.14 [INFO] [stderr] Checking tokio-util v0.6.9 [INFO] [stderr] Checking tokio-rustls v0.22.0 [INFO] [stderr] Checking futures-executor v0.3.5 [INFO] [stderr] Checking h2 v0.3.7 [INFO] [stderr] Checking futures v0.3.5 [INFO] [stderr] Checking wasm-timer v0.2.4 [INFO] [stderr] Checking again v0.1.2 [INFO] [stderr] Checking serde_urlencoded v0.7.0 [INFO] [stderr] Checking hyper v0.14.4 [INFO] [stderr] Checking hyper-rustls v0.22.1 [INFO] [stderr] Checking reqwest v0.11.6 [INFO] [stderr] Checking devtogo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `DevtoError` is never constructed [INFO] [stdout] --> src/push.rs:58:8 [INFO] [stdout] | [INFO] [stdout] 58 | struct DevtoError { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple fields are never read [INFO] [stdout] --> src/push.rs:71:5 [INFO] [stdout] | [INFO] [stdout] 68 | struct Article { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 71 | description: String, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 72 | cover_image: Option, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 73 | published: bool, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 74 | published_at: Option, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 75 | tag_list: Vec, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 76 | slug: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 77 | path: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 78 | url: String, [INFO] [stdout] | ^^^ [INFO] [stdout] 79 | canonical_url: String, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 80 | published_timestamp: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Article` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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/push.rs:57:17 [INFO] [stdout] | [INFO] [stdout] 57 | #[derive(Debug, Deserialize)] [INFO] [stdout] | ^---------- [INFO] [stdout] | | [INFO] [stdout] | `Deserialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_DevtoError` [INFO] [stdout] 58 | struct DevtoError { [INFO] [stdout] | ---------- `DevtoError` is not local [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: `#[warn(non_local_definitions)]` on by default [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/push.rs:62:17 [INFO] [stdout] | [INFO] [stdout] 62 | #[derive(Debug, Serialize)] [INFO] [stdout] | ^-------- [INFO] [stdout] | | [INFO] [stdout] | `Serialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_CreateArticleInput` [INFO] [stdout] 63 | struct CreateArticleInput { [INFO] [stdout] | ------------------ `CreateArticleInput` is not local [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/push.rs:67:17 [INFO] [stdout] | [INFO] [stdout] 67 | #[derive(Debug, Deserialize)] [INFO] [stdout] | ^---------- [INFO] [stdout] | | [INFO] [stdout] | `Deserialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_Article` [INFO] [stdout] 68 | struct Article { [INFO] [stdout] | ------- `Article` is not local [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: struct `DevtoError` is never constructed [INFO] [stdout] --> src/push.rs:58:8 [INFO] [stdout] | [INFO] [stdout] 58 | struct DevtoError { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple fields are never read [INFO] [stdout] --> src/push.rs:71:5 [INFO] [stdout] | [INFO] [stdout] 68 | struct Article { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 71 | description: String, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 72 | cover_image: Option, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 73 | published: bool, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 74 | published_at: Option, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 75 | tag_list: Vec, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 76 | slug: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 77 | path: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 78 | url: String, [INFO] [stdout] | ^^^ [INFO] [stdout] 79 | canonical_url: String, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 80 | published_timestamp: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Article` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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/push.rs:57:17 [INFO] [stdout] | [INFO] [stdout] 57 | #[derive(Debug, Deserialize)] [INFO] [stdout] | ^---------- [INFO] [stdout] | | [INFO] [stdout] | `Deserialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_DevtoError` [INFO] [stdout] 58 | struct DevtoError { [INFO] [stdout] | ---------- `DevtoError` is not local [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: `#[warn(non_local_definitions)]` on by default [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/push.rs:62:17 [INFO] [stdout] | [INFO] [stdout] 62 | #[derive(Debug, Serialize)] [INFO] [stdout] | ^-------- [INFO] [stdout] | | [INFO] [stdout] | `Serialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_CreateArticleInput` [INFO] [stdout] 63 | struct CreateArticleInput { [INFO] [stdout] | ------------------ `CreateArticleInput` is not local [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/push.rs:67:17 [INFO] [stdout] | [INFO] [stdout] 67 | #[derive(Debug, Deserialize)] [INFO] [stdout] | ^---------- [INFO] [stdout] | | [INFO] [stdout] | `Deserialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_Article` [INFO] [stdout] 68 | struct Article { [INFO] [stdout] | ------- `Article` is not local [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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 52.75s [INFO] running `Command { std: "docker" "inspect" "d7c9c827c98f13e2fde0d04458557edbe6992e98fe8f6c232c7e5c268d035710", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d7c9c827c98f13e2fde0d04458557edbe6992e98fe8f6c232c7e5c268d035710", kill_on_drop: false }` [INFO] [stdout] d7c9c827c98f13e2fde0d04458557edbe6992e98fe8f6c232c7e5c268d035710