[INFO] fetching crate serde-avro 0.5.0... [INFO] checking serde-avro-0.5.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170 [INFO] extracting crate serde-avro 0.5.0 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate serde-avro 0.5.0 [INFO] finished tweaking crates.io crate serde-avro 0.5.0 [INFO] tweaked toml for crates.io crate serde-avro 0.5.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate serde-avro 0.5.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 50 packages to latest compatible versions [INFO] [stderr] Adding crc v1.8.1 (available: v3.3.0) [INFO] [stderr] Adding error-chain v0.9.0 (available: v0.12.4) [INFO] [stderr] Adding flate2 v0.2.20 (available: v1.1.2) [INFO] [stderr] Adding lazy_static v0.2.11 (available: v1.5.0) [INFO] [stderr] Adding linked-hash-map v0.4.2 (available: v0.5.6) [INFO] [stderr] Adding log v0.3.9 (available: v0.4.27) [INFO] [stderr] Adding serde v0.9.15 (available: v1.0.219) [INFO] [stderr] Adding serde-value v0.4.1 (available: v0.7.0) [INFO] [stderr] Adding serde_derive v0.9.15 (available: v1.0.219) [INFO] [stderr] Adding serde_json v0.9.10 (available: v1.0.140) [INFO] [stderr] Adding snap v0.2.5 (available: v1.1.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 369beb11fb6e4e0ae36de3cf8000848b6b773e5a55321f3e8188d2ae3daa343e [INFO] running `Command { std: "docker" "start" "-a" "369beb11fb6e4e0ae36de3cf8000848b6b773e5a55321f3e8188d2ae3daa343e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "369beb11fb6e4e0ae36de3cf8000848b6b773e5a55321f3e8188d2ae3daa343e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "369beb11fb6e4e0ae36de3cf8000848b6b773e5a55321f3e8188d2ae3daa343e", kill_on_drop: false }` [INFO] [stdout] 369beb11fb6e4e0ae36de3cf8000848b6b773e5a55321f3e8188d2ae3daa343e [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=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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 388acc5b57ffc9d661be3b787d83cf9d86d53829c590bb4d95ab1a03defa02b3 [INFO] running `Command { std: "docker" "start" "-a" "388acc5b57ffc9d661be3b787d83cf9d86d53829c590bb4d95ab1a03defa02b3", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling autocfg v1.5.0 [INFO] [stderr] Compiling libc v0.2.174 [INFO] [stderr] Compiling shlex v1.3.0 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling object v0.36.7 [INFO] [stderr] Compiling build_const v0.2.2 [INFO] [stderr] Checking adler2 v2.0.1 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Checking gimli v0.31.1 [INFO] [stderr] Checking memchr v2.7.5 [INFO] [stderr] Checking cfg-if v1.0.1 [INFO] [stderr] Checking rustc-demangle v0.1.25 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking serde v0.9.15 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking dtoa v0.4.8 [INFO] [stderr] Compiling serde-avro v0.5.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking miniz_oxide v0.8.9 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stdout] warning: unexpected `cfg` condition value: `serde_codegen` [INFO] [stdout] --> build.rs:1:7 [INFO] [stdout] | [INFO] [stdout] 1 | #[cfg(feature = "serde_codegen")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `serde_codegen` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `serde_codegen` [INFO] [stdout] --> build.rs:16:11 [INFO] [stdout] | [INFO] [stdout] 16 | #[cfg(not(feature = "serde_codegen"))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `serde_codegen` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking unreachable v0.1.1 [INFO] [stderr] Compiling crc v1.8.1 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Checking itoa v0.3.4 [INFO] [stderr] Checking log v0.4.27 [INFO] [stderr] Checking linked-hash-map v0.4.2 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Compiling cc v1.2.27 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking snap v0.2.5 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking ordered-float v0.4.0 [INFO] [stderr] Compiling miniz-sys v0.1.12 [INFO] [stderr] Compiling serde_codegen_internals v0.14.2 [INFO] [stderr] Compiling serde_derive v0.9.15 [INFO] [stderr] Checking flate2 v0.2.20 [INFO] [stderr] Checking addr2line v0.24.2 [INFO] [stderr] Checking serde_json v0.9.10 [INFO] [stderr] Checking serde-value v0.4.1 [INFO] [stderr] Checking backtrace v0.3.75 [INFO] [stderr] Checking error-chain v0.9.0 [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:7:1 [INFO] [stdout] | [INFO] [stdout] 7 | / error_chain! { [INFO] [stdout] 8 | | foreign_links { [INFO] [stdout] 9 | | IO(io::Error); [INFO] [stdout] 10 | | Utf8(string::FromUtf8Error); [INFO] [stdout] ... | [INFO] [stdout] 64 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] = note: this warning originates in the macro `error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred [INFO] [stdout] --> src/schema.rs:72:1 [INFO] [stdout] | [INFO] [stdout] 72 | / lazy_static! { [INFO] [stdout] 73 | | pub static ref EMPTY_REGISTRY: SchemaRegistry = { [INFO] [stdout] 74 | | SchemaRegistry::new() [INFO] [stdout] 75 | | }; [INFO] [stdout] ... | [INFO] [stdout] 114 | | }; [INFO] [stdout] 115 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred [INFO] [stdout] --> src/schema.rs:72:1 [INFO] [stdout] | [INFO] [stdout] 72 | / lazy_static! { [INFO] [stdout] 73 | | pub static ref EMPTY_REGISTRY: SchemaRegistry = { [INFO] [stdout] 74 | | SchemaRegistry::new() [INFO] [stdout] 75 | | }; [INFO] [stdout] ... | [INFO] [stdout] 114 | | }; [INFO] [stdout] 115 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:7:1 [INFO] [stdout] | [INFO] [stdout] 7 | / error_chain! { [INFO] [stdout] 8 | | foreign_links { [INFO] [stdout] 9 | | IO(io::Error); [INFO] [stdout] 10 | | Utf8(string::FromUtf8Error); [INFO] [stdout] ... | [INFO] [stdout] 64 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] = note: this warning originates in the macro `error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred [INFO] [stdout] --> src/schema.rs:72:1 [INFO] [stdout] | [INFO] [stdout] 72 | / lazy_static! { [INFO] [stdout] 73 | | pub static ref EMPTY_REGISTRY: SchemaRegistry = { [INFO] [stdout] 74 | | SchemaRegistry::new() [INFO] [stdout] 75 | | }; [INFO] [stdout] ... | [INFO] [stdout] 114 | | }; [INFO] [stdout] 115 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred [INFO] [stdout] --> src/schema.rs:72:1 [INFO] [stdout] | [INFO] [stdout] 72 | / lazy_static! { [INFO] [stdout] 73 | | pub static ref EMPTY_REGISTRY: SchemaRegistry = { [INFO] [stdout] 74 | | SchemaRegistry::new() [INFO] [stdout] 75 | | }; [INFO] [stdout] ... | [INFO] [stdout] 114 | | }; [INFO] [stdout] 115 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::cause`: replaced by Error::source, which can support downcasting [INFO] [stdout] --> src/error.rs:7:1 [INFO] [stdout] | [INFO] [stdout] 7 | / error_chain! { [INFO] [stdout] 8 | | foreign_links { [INFO] [stdout] 9 | | IO(io::Error); [INFO] [stdout] 10 | | Utf8(string::FromUtf8Error); [INFO] [stdout] ... | [INFO] [stdout] 64 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/de/read.rs:102:13 [INFO] [stdout] | [INFO] [stdout] 102 | let mut buffer = self.current_block.get_mut(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [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/header.rs:4:24 [INFO] [stdout] | [INFO] [stdout] 4 | #[derive(Clone, Debug, Deserialize, Serialize)] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | `Header` is not local [INFO] [stdout] | `Deserialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_Header` [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/header.rs:4:37 [INFO] [stdout] | [INFO] [stdout] 4 | #[derive(Clone, Debug, Deserialize, Serialize)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | `Header` is not local [INFO] [stdout] | `Serialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_Header` [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: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/schema.rs:418:19 [INFO] [stdout] | [INFO] [stdout] 418 | pub fn fields(&self) -> RecordFields { [INFO] [stdout] | ^^^^^ ------------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 418 | pub fn fields(&self) -> RecordFields<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::cause`: replaced by Error::source, which can support downcasting [INFO] [stdout] --> src/error.rs:7:1 [INFO] [stdout] | [INFO] [stdout] 7 | / error_chain! { [INFO] [stdout] 8 | | foreign_links { [INFO] [stdout] 9 | | IO(io::Error); [INFO] [stdout] 10 | | Utf8(string::FromUtf8Error); [INFO] [stdout] ... | [INFO] [stdout] 64 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/de/read.rs:102:13 [INFO] [stdout] | [INFO] [stdout] 102 | let mut buffer = self.current_block.get_mut(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [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/header.rs:4:24 [INFO] [stdout] | [INFO] [stdout] 4 | #[derive(Clone, Debug, Deserialize, Serialize)] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | `Header` is not local [INFO] [stdout] | `Deserialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_Header` [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/header.rs:4:37 [INFO] [stdout] | [INFO] [stdout] 4 | #[derive(Clone, Debug, Deserialize, Serialize)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | `Header` is not local [INFO] [stdout] | `Serialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_Header` [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: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/schema.rs:418:19 [INFO] [stdout] | [INFO] [stdout] 418 | pub fn fields(&self) -> RecordFields { [INFO] [stdout] | ^^^^^ ------------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 418 | pub fn fields(&self) -> RecordFields<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.26s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: snap v0.2.5 [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" "388acc5b57ffc9d661be3b787d83cf9d86d53829c590bb4d95ab1a03defa02b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "388acc5b57ffc9d661be3b787d83cf9d86d53829c590bb4d95ab1a03defa02b3", kill_on_drop: false }` [INFO] [stdout] 388acc5b57ffc9d661be3b787d83cf9d86d53829c590bb4d95ab1a03defa02b3