[INFO] cloning repository https://github.com/kumusan/front-yew [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kumusan/front-yew" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkumusan%2Ffront-yew", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkumusan%2Ffront-yew'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 47cbcc835343c36bd5a79ecb9e7ca9519bef5000 [INFO] checking kumusan/front-yew against try#a75eafceea413a1b40c0e0769db85e08ec17160b for pr-133925 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkumusan%2Ffront-yew" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kumusan/front-yew on toolchain a75eafceea413a1b40c0e0769db85e08ec17160b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a75eafceea413a1b40c0e0769db85e08ec17160b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/kumusan/front-yew [INFO] finished tweaking git repo https://github.com/kumusan/front-yew [INFO] tweaked toml for git repo https://github.com/kumusan/front-yew written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/kumusan/front-yew 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" "+a75eafceea413a1b40c0e0769db85e08ec17160b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] checking kumusan/front-yew against try#a75eafceea413a1b40c0e0769db85e08ec17160b for pr-133925 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkumusan%2Ffront-yew" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kumusan/front-yew on toolchain a75eafceea413a1b40c0e0769db85e08ec17160b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a75eafceea413a1b40c0e0769db85e08ec17160b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/kumusan/front-yew [INFO] finished tweaking git repo https://github.com/kumusan/front-yew [INFO] tweaked toml for git repo https://github.com/kumusan/front-yew written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/kumusan/front-yew 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" "+a75eafceea413a1b40c0e0769db85e08ec17160b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded proc-macro-nested v0.1.5 [INFO] [stderr] Downloaded pin-project v0.4.21 [INFO] [stderr] Downloaded wasm-bindgen-futures v0.4.13 [INFO] [stderr] Downloaded pin-project-internal v0.4.21 [INFO] [stderr] Downloaded yew v0.16.2 [INFO] [stderr] Downloaded yew-macro v0.16.1 [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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+a75eafceea413a1b40c0e0769db85e08ec17160b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 247ee7d926f15b9f244390627b83d34c30724f7ad07013c9d7db96a95164d478 [INFO] running `Command { std: "docker" "start" "-a" "247ee7d926f15b9f244390627b83d34c30724f7ad07013c9d7db96a95164d478", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "247ee7d926f15b9f244390627b83d34c30724f7ad07013c9d7db96a95164d478", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "247ee7d926f15b9f244390627b83d34c30724f7ad07013c9d7db96a95164d478", kill_on_drop: false }` [INFO] [stdout] 247ee7d926f15b9f244390627b83d34c30724f7ad07013c9d7db96a95164d478 [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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+a75eafceea413a1b40c0e0769db85e08ec17160b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 45494d6e18b4c5023220e4b8699da8b1c44d83fdb913800ed9e47200b17143f2 [INFO] running `Command { std: "docker" "start" "-a" "45494d6e18b4c5023220e4b8699da8b1c44d83fdb913800ed9e47200b17143f2", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.18 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.31 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.63 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling bumpalo v3.4.0 [INFO] [stderr] Compiling wasm-bindgen v0.2.63 [INFO] [stderr] Compiling serde v1.0.111 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling pin-project-internal v0.4.21 [INFO] [stderr] Compiling proc-macro-nested v0.1.5 [INFO] [stderr] Compiling serde_json v1.0.55 [INFO] [stderr] Compiling proc-macro-hack v0.5.16 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking futures-sink v0.3.5 [INFO] [stderr] Checking once_cell v1.4.0 [INFO] [stderr] Checking futures-core v0.3.5 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Checking futures-task v0.3.5 [INFO] [stderr] Checking futures-io v0.3.5 [INFO] [stderr] Checking futures-channel v0.3.5 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling stdweb-internal-runtime v0.1.5 [INFO] [stderr] Compiling anyhow v1.0.31 [INFO] [stderr] Checking bytes v0.5.4 [INFO] [stderr] Compiling boolinator v2.4.0 [INFO] [stderr] Compiling yew v0.16.2 [INFO] [stderr] Compiling base-x v0.2.6 [INFO] [stderr] Compiling sha1 v0.6.0 [INFO] [stderr] Checking anymap v0.12.1 [INFO] [stderr] Checking discard v1.0.4 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking cfg-match v0.2.1 [INFO] [stderr] Compiling indexmap v1.4.0 [INFO] [stderr] Compiling stdweb v0.4.20 [INFO] [stderr] Checking http v0.2.1 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling wasm-bindgen-backend v0.2.63 [INFO] [stderr] Compiling serde_derive v1.0.111 [INFO] [stderr] Compiling futures-macro v0.3.5 [INFO] [stderr] Compiling thiserror-impl v1.0.19 [INFO] [stderr] Compiling yew-macro v0.16.1 [INFO] [stderr] Compiling wasm-bindgen-macro-support v0.2.63 [INFO] [stderr] Checking thiserror v1.0.19 [INFO] [stderr] Checking pin-project v0.4.21 [INFO] [stderr] Compiling wasm-bindgen-macro v0.2.63 [INFO] [stderr] Checking futures-util v0.3.5 [INFO] [stderr] Checking js-sys v0.3.40 [INFO] [stderr] Checking console_error_panic_hook v0.1.6 [INFO] [stderr] Checking web-sys v0.3.40 [INFO] [stderr] Checking wasm-bindgen-futures v0.4.13 [INFO] [stderr] Checking futures-executor v0.3.5 [INFO] [stderr] Checking futures v0.3.5 [INFO] [stderr] Checking bincode v1.2.1 [INFO] [stderr] Compiling stdweb-derive v0.5.3 [INFO] [stderr] Compiling stdweb-internal-macros v0.2.9 [INFO] [stderr] Checking gloo-events v0.1.1 [INFO] [stderr] Checking gloo-console-timer v0.1.0 [INFO] [stderr] Checking gloo-timers v0.2.1 [INFO] [stderr] Checking gloo-file v0.1.0 [INFO] [stderr] Checking gloo v0.2.1 [INFO] [stderr] Checking front-yew v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `FetchService`, `Request`, and `Response` [INFO] [stdout] --> src/lifecycle.rs:2:28 [INFO] [stdout] | [INFO] [stdout] 2 | use yew::services::fetch::{FetchService, FetchTask, Request, Response}; [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^^ ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Json` and `Nothing` [INFO] [stdout] --> src/lifecycle.rs:3:19 [INFO] [stdout] | [INFO] [stdout] 3 | use yew::format::{Json, Nothing}; [INFO] [stdout] | ^^^^ ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `FetchService`, `Request`, and `Response` [INFO] [stdout] --> src/lifecycle.rs:2:28 [INFO] [stdout] | [INFO] [stdout] 2 | use yew::services::fetch::{FetchService, FetchTask, Request, Response}; [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^^ ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Json` and `Nothing` [INFO] [stdout] --> src/lifecycle.rs:3:19 [INFO] [stdout] | [INFO] [stdout] 3 | use yew::format::{Json, Nothing}; [INFO] [stdout] | ^^^^ ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `entry` is never read [INFO] [stdout] --> src/fetch_action.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct Todo { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 9 | entry: Vec, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Todo` 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: fields `id`, `title`, `body`, and `done` are never read [INFO] [stdout] --> src/fetch_action.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 13 | pub struct Entry { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 14 | id: i32, [INFO] [stdout] | ^^ [INFO] [stdout] 15 | title: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 16 | body: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 17 | done: bool, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Entry` 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 `link` and `select_value` are never read [INFO] [stdout] --> src/lifecycle.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct Model { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 10 | link: ComponentLink, [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 15 | select_value: Option, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `All` is never constructed [INFO] [stdout] --> src/lifecycle.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 20 | pub enum Action { [INFO] [stdout] | ------ variant in this enum [INFO] [stdout] 21 | All, [INFO] [stdout] | ^^^ [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/fetch_action.rs:7:10 [INFO] [stdout] | [INFO] [stdout] 7 | #[derive(Deserialize, Debug)] [INFO] [stdout] | ^---------- [INFO] [stdout] | | [INFO] [stdout] | `Deserialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_Todo` [INFO] [stdout] 8 | pub struct Todo { [INFO] [stdout] | ---- `Todo` 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/fetch_action.rs:12:10 [INFO] [stdout] | [INFO] [stdout] 12 | #[derive(Deserialize, Debug)] [INFO] [stdout] | ^---------- [INFO] [stdout] | | [INFO] [stdout] | `Deserialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_Entry` [INFO] [stdout] 13 | pub struct Entry { [INFO] [stdout] | ----- `Entry` 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: field `entry` is never read [INFO] [stdout] --> src/fetch_action.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct Todo { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 9 | entry: Vec, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Todo` 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: fields `id`, `title`, `body`, and `done` are never read [INFO] [stdout] --> src/fetch_action.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 13 | pub struct Entry { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 14 | id: i32, [INFO] [stdout] | ^^ [INFO] [stdout] 15 | title: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 16 | body: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 17 | done: bool, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Entry` 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 `link` and `select_value` are never read [INFO] [stdout] --> src/lifecycle.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct Model { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 10 | link: ComponentLink, [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 15 | select_value: Option, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `All` is never constructed [INFO] [stdout] --> src/lifecycle.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 20 | pub enum Action { [INFO] [stdout] | ------ variant in this enum [INFO] [stdout] 21 | All, [INFO] [stdout] | ^^^ [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/fetch_action.rs:7:10 [INFO] [stdout] | [INFO] [stdout] 7 | #[derive(Deserialize, Debug)] [INFO] [stdout] | ^---------- [INFO] [stdout] | | [INFO] [stdout] | `Deserialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_Todo` [INFO] [stdout] 8 | pub struct Todo { [INFO] [stdout] | ---- `Todo` 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/fetch_action.rs:12:10 [INFO] [stdout] | [INFO] [stdout] 12 | #[derive(Deserialize, Debug)] [INFO] [stdout] | ^---------- [INFO] [stdout] | | [INFO] [stdout] | `Deserialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_Entry` [INFO] [stdout] 13 | pub struct Entry { [INFO] [stdout] | ----- `Entry` 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 12.90s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: stdweb v0.4.20, wasm-bindgen v0.2.63 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "45494d6e18b4c5023220e4b8699da8b1c44d83fdb913800ed9e47200b17143f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "45494d6e18b4c5023220e4b8699da8b1c44d83fdb913800ed9e47200b17143f2", kill_on_drop: false }` [INFO] [stdout] 45494d6e18b4c5023220e4b8699da8b1c44d83fdb913800ed9e47200b17143f2