[INFO] fetching crate tusk 0.0.1... [INFO] checking tusk-0.0.1 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3 [INFO] extracting crate tusk 0.0.1 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate tusk 0.0.1 [INFO] finished tweaking crates.io crate tusk 0.0.1 [INFO] tweaked toml for crates.io crate tusk 0.0.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate tusk 0.0.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 254 packages to latest compatible versions [INFO] [stderr] Adding actix-web v0.7.19 (available: v4.12.1) [INFO] [stderr] Adding bincode v1.3.3 (available: v3.0.0) [INFO] [stderr] Adding clap v2.34.0 (available: v4.5.54) [INFO] [stderr] Adding criterion v0.2.11 (available: v0.8.1) [INFO] [stderr] Adding crossbeam v0.7.3 (available: v0.8.4) [INFO] [stderr] Adding env_logger v0.6.2 (available: v0.11.8) [INFO] [stderr] Adding rand v0.6.5 (available: v0.9.2) [INFO] [stderr] Adding serde_yaml v0.8.26 (available: v0.9.34+deprecated) [INFO] [stderr] Adding subtle v2.4.1 (available: v2.6.1) [INFO] [stderr] Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1) [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] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded cast v0.2.7 [INFO] [stderr] Downloaded rand_xoshiro v0.1.0 [INFO] [stderr] Downloaded v_escape_derive v0.5.6 [INFO] [stderr] Downloaded v_htmlescape v0.4.5 [INFO] [stderr] Downloaded polyval v0.4.5 [INFO] [stderr] Downloaded tower-service v0.1.0 [INFO] [stderr] Downloaded hkdf v0.10.0 [INFO] [stderr] Downloaded actix_derive v0.3.2 [INFO] [stderr] Downloaded cpuid-bool v0.2.0 [INFO] [stderr] Downloaded criterion-plot v0.3.1 [INFO] [stderr] Downloaded widestring v0.2.2 [INFO] [stderr] Downloaded error-chain v0.8.1 [INFO] [stderr] Downloaded ctr v0.6.0 [INFO] [stderr] Downloaded actix v0.7.9 [INFO] [stderr] Downloaded actix-net v0.2.6 [INFO] [stderr] Downloaded aes-soft v0.6.4 [INFO] [stderr] Downloaded aesni v0.10.0 [INFO] [stderr] Downloaded aes v0.6.0 [INFO] [stderr] Downloaded aes-gcm v0.8.0 [INFO] [stderr] Downloaded trust-dns-resolver v0.10.3 [INFO] [stderr] Downloaded trust-dns-proto v0.5.0 [INFO] [stderr] Downloaded trust-dns-proto v0.6.3 [INFO] [stderr] Downloaded ipconfig v0.1.9 [INFO] [stderr] Downloaded criterion v0.2.11 [INFO] [stderr] Downloaded actix-web v0.7.19 [INFO] [stderr] Downloaded ghash v0.3.1 [INFO] [stderr] Downloaded cookie v0.11.5 [INFO] [stderr] Downloaded aead v0.3.2 [INFO] [stderr] Downloaded v_escape v0.7.4 [INFO] [stderr] Downloaded crypto-mac v0.10.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 8aeb9cb60cb9488353ade4d946666306ce45468d3caa00a9e45a8d661f47dc42 [INFO] running `Command { std: "docker" "start" "-a" "8aeb9cb60cb9488353ade4d946666306ce45468d3caa00a9e45a8d661f47dc42", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8aeb9cb60cb9488353ade4d946666306ce45468d3caa00a9e45a8d661f47dc42", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8aeb9cb60cb9488353ade4d946666306ce45468d3caa00a9e45a8d661f47dc42", kill_on_drop: false }` [INFO] [stdout] 8aeb9cb60cb9488353ade4d946666306ce45468d3caa00a9e45a8d661f47dc42 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] f043134efe49c66f125128f10792d88158f5c332b2065a58c91ab296ff106f33 [INFO] running `Command { std: "docker" "start" "-a" "f043134efe49c66f125128f10792d88158f5c332b2065a58c91ab296ff106f33", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.180 [INFO] [stderr] Compiling typenum v1.19.0 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling generic-array v0.14.9 [INFO] [stderr] Checking memchr v2.7.6 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Compiling autocfg v0.1.8 [INFO] [stderr] Checking encoding_index_tests v0.1.4 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking tinyvec v1.10.0 [INFO] [stderr] Compiling object v0.37.3 [INFO] [stderr] Checking simd-adler32 v0.3.8 [INFO] [stderr] Checking adler2 v2.0.1 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Checking encoding-index-japanese v1.20141219.5 [INFO] 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Checking actix v0.7.9 [INFO] [stderr] Checking actix-net v0.2.6 [INFO] [stderr] Checking serde_urlencoded v0.5.5 [INFO] [stderr] Checking serde_yaml v0.8.26 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking criterion v0.2.11 [INFO] [stderr] Checking brotli2 v0.3.2 [INFO] [stderr] Checking tusk v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/tusk/mod.rs:57:9 [INFO] [stdout] | [INFO] [stdout] 57 | /// Load the agent [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 58 | let reader = File::open(&master_config_file_buf)?; [INFO] [stdout] | -------------------------------------------------- rustdoc does not generate documentation for statements [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/tusk/mod.rs:57:9 [INFO] [stdout] | [INFO] [stdout] 57 | /// Load the agent [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 58 | let reader = File::open(&master_config_file_buf)?; [INFO] [stdout] | -------------------------------------------------- rustdoc does not generate documentation for statements [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/plugins/inputs/mod.rs:63:13 [INFO] [stdout] | [INFO] [stdout] 63 | _ => unimplemented!(), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/plugins/inputs/mod.rs:63:13 [INFO] [stdout] | [INFO] [stdout] 60 | InputFormat::JSON => serde_json::from_reader(input)?, [INFO] [stdout] | ----------------- matches some of the same values [INFO] [stdout] 61 | InputFormat::YAML => serde_yaml::from_reader(input)?, [INFO] [stdout] | ----------------- matches some of the same values [INFO] [stdout] 62 | InputFormat::Bincode => bincode::deserialize_from(input)?, [INFO] [stdout] | -------------------- matches some of the same values [INFO] [stdout] 63 | _ => unimplemented!(), [INFO] [stdout] | ^ collectively making this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/plugins/outputs/mod.rs:49:13 [INFO] [stdout] | [INFO] [stdout] 49 | _ => unimplemented!(), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/plugins/outputs/mod.rs:49:13 [INFO] [stdout] | [INFO] [stdout] 46 | OutputFormat::JSON => serde_json::to_writer(output, &readings)?, [INFO] [stdout] | ------------------ matches some of the same values [INFO] [stdout] 47 | OutputFormat::YAML => serde_yaml::to_writer(output, &readings)?, [INFO] [stdout] | ------------------ matches some of the same values [INFO] [stdout] 48 | OutputFormat::Bincode => bincode::serialize_into(output, &readings)?, [INFO] [stdout] | --------------------- matches some of the same values [INFO] [stdout] 49 | _ => unimplemented!(), [INFO] [stdout] | ^ collectively making this unreachable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function cannot return without recursing [INFO] [stdout] --> src/tusk/mod.rs:40:5 [INFO] [stdout] | [INFO] [stdout] 40 | fn default() -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ cannot return without recursing [INFO] [stdout] ... [INFO] [stdout] 44 | ..Default::default() [INFO] [stdout] | ------------------ recursive call site [INFO] [stdout] | [INFO] [stdout] = help: a `loop` may express intention better if this is on purpose [INFO] [stdout] = note: `#[warn(unconditional_recursion)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `wrapped`, `filter`, `tags`, and `dimensions` are never read [INFO] [stdout] --> src/tusk/wrapper.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct Wrapper

{ [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 11 | wrapped: P, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 15 | filter: Option, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 16 | #[serde(default)] [INFO] [stdout] 17 | tags: Vec, [INFO] [stdout] | ^^^^ [INFO] [stdout] 18 | #[serde(default)] [INFO] [stdout] 19 | dimensions: Dimensions, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Wrapper` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) 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/plugins/mod.rs:13:17 [INFO] [stdout] | [INFO] [stdout] 13 | #[derive(Debug, Fail)] [INFO] [stdout] | ^--- [INFO] [stdout] | | [INFO] [stdout] | `Fail` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_DERIVE_failure_Fail_FOR_PluginError` [INFO] [stdout] 14 | pub enum PluginError { [INFO] [stdout] | ----------- `PluginError` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_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 `Fail` (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/plugins/mod.rs:13:17 [INFO] [stdout] | [INFO] [stdout] 13 | #[derive(Debug, Fail)] [INFO] [stdout] | ^--- [INFO] [stdout] | | [INFO] [stdout] | `Display` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_DERIVE_failure_core_fmt_Display_FOR_PluginError` [INFO] [stdout] 14 | pub enum PluginError { [INFO] [stdout] | ----------- `PluginError` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_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 `Fail` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/plugins/outputs/stdout.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | / self.format [INFO] [stdout] 17 | | .to_writer(BufWriter::new(io::stdout()), &readings); [INFO] [stdout] | |_______________________________________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 16 | let _ = self.format [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/plugins/inputs/mod.rs:63:13 [INFO] [stdout] | [INFO] [stdout] 63 | _ => unimplemented!(), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/plugins/inputs/mod.rs:63:13 [INFO] [stdout] | [INFO] [stdout] 60 | InputFormat::JSON => serde_json::from_reader(input)?, [INFO] [stdout] | ----------------- matches some of the same values [INFO] [stdout] 61 | InputFormat::YAML => serde_yaml::from_reader(input)?, [INFO] [stdout] | ----------------- matches some of the same values [INFO] [stdout] 62 | InputFormat::Bincode => bincode::deserialize_from(input)?, [INFO] [stdout] | -------------------- matches some of the same values [INFO] [stdout] 63 | _ => unimplemented!(), [INFO] [stdout] | ^ collectively making this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/plugins/outputs/mod.rs:49:13 [INFO] [stdout] | [INFO] [stdout] 49 | _ => unimplemented!(), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/plugins/outputs/mod.rs:49:13 [INFO] [stdout] | [INFO] [stdout] 46 | OutputFormat::JSON => serde_json::to_writer(output, &readings)?, [INFO] [stdout] | ------------------ matches some of the same values [INFO] [stdout] 47 | OutputFormat::YAML => serde_yaml::to_writer(output, &readings)?, [INFO] [stdout] | ------------------ matches some of the same values [INFO] [stdout] 48 | OutputFormat::Bincode => bincode::serialize_into(output, &readings)?, [INFO] [stdout] | --------------------- matches some of the same values [INFO] [stdout] 49 | _ => unimplemented!(), [INFO] [stdout] | ^ collectively making this unreachable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function cannot return without recursing [INFO] [stdout] --> src/tusk/mod.rs:40:5 [INFO] [stdout] | [INFO] [stdout] 40 | fn default() -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ cannot return without recursing [INFO] [stdout] ... [INFO] [stdout] 44 | ..Default::default() [INFO] [stdout] | ------------------ recursive call site [INFO] [stdout] | [INFO] [stdout] = help: a `loop` may express intention better if this is on purpose [INFO] [stdout] = note: `#[warn(unconditional_recursion)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `wrapped`, `filter`, `tags`, and `dimensions` are never read [INFO] [stdout] --> src/tusk/wrapper.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct Wrapper

{ [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 11 | wrapped: P, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 15 | filter: Option, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 16 | #[serde(default)] [INFO] [stdout] 17 | tags: Vec, [INFO] [stdout] | ^^^^ [INFO] [stdout] 18 | #[serde(default)] [INFO] [stdout] 19 | dimensions: Dimensions, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Wrapper` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) 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/plugins/mod.rs:13:17 [INFO] [stdout] | [INFO] [stdout] 13 | #[derive(Debug, Fail)] [INFO] [stdout] | ^--- [INFO] [stdout] | | [INFO] [stdout] | `Fail` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_DERIVE_failure_Fail_FOR_PluginError` [INFO] [stdout] 14 | pub enum PluginError { [INFO] [stdout] | ----------- `PluginError` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_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 `Fail` (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/plugins/mod.rs:13:17 [INFO] [stdout] | [INFO] [stdout] 13 | #[derive(Debug, Fail)] [INFO] [stdout] | ^--- [INFO] [stdout] | | [INFO] [stdout] | `Display` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_DERIVE_failure_core_fmt_Display_FOR_PluginError` [INFO] [stdout] 14 | pub enum PluginError { [INFO] [stdout] | ----------- `PluginError` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_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 `Fail` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/plugins/outputs/stdout.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | / self.format [INFO] [stdout] 17 | | .to_writer(BufWriter::new(io::stdout()), &readings); [INFO] [stdout] | |_______________________________________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 16 | let _ = self.format [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 37.09s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.2.11, nom v4.2.3, v_htmlescape v0.4.5 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 9` [INFO] running `Command { std: "docker" "inspect" "f043134efe49c66f125128f10792d88158f5c332b2065a58c91ab296ff106f33", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f043134efe49c66f125128f10792d88158f5c332b2065a58c91ab296ff106f33", kill_on_drop: false }` [INFO] [stdout] f043134efe49c66f125128f10792d88158f5c332b2065a58c91ab296ff106f33