[INFO] fetching crate velocypack 0.1.1... [INFO] checking velocypack-0.1.1 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1 [INFO] extracting crate velocypack 0.1.1 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate velocypack 0.1.1 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate velocypack 0.1.1 [INFO] finished tweaking crates.io crate velocypack 0.1.1 [INFO] tweaked toml for crates.io crate velocypack 0.1.1 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] df44e5033ce76c76dcfe45bca15ab848cbc351ff1d94bee06152263275e8a751 [INFO] running `"docker" "start" "-a" "df44e5033ce76c76dcfe45bca15ab848cbc351ff1d94bee06152263275e8a751"` [INFO] [stderr] Checking velocypack v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused imports: `EnumAccess`, `IntoDeserializer`, `VariantAccess` [INFO] [stderr] --> src/de.rs:3:28 [INFO] [stderr] | [INFO] [stderr] 3 | self, DeserializeSeed, EnumAccess, IntoDeserializer, MapAccess, SeqAccess, [INFO] [stderr] | ^^^^^^^^^^ ^^^^^^^^^^^^^^^^ [INFO] [stderr] 4 | VariantAccess, Visitor, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::BufRead` [INFO] [stderr] --> src/de.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use std::io::BufRead; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `EnumAccess`, `IntoDeserializer`, `VariantAccess` [INFO] [stderr] --> src/de.rs:3:28 [INFO] [stderr] | [INFO] [stderr] 3 | self, DeserializeSeed, EnumAccess, IntoDeserializer, MapAccess, SeqAccess, [INFO] [stderr] | ^^^^^^^^^^ ^^^^^^^^^^^^^^^^ [INFO] [stderr] 4 | VariantAccess, Visitor, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::BufRead` [INFO] [stderr] --> src/de.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use std::io::BufRead; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `serde_json` [INFO] [stderr] --> src/de.rs:603:9 [INFO] [stderr] | [INFO] [stderr] 603 | use serde_json; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/error.rs:36:13 [INFO] [stderr] | [INFO] [stderr] 36 | _ => "unhandled error type", [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `b` [INFO] [stderr] --> src/de.rs:128:13 [INFO] [stderr] | [INFO] [stderr] 128 | b => { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_b` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/de.rs:176:25 [INFO] [stderr] | [INFO] [stderr] 176 | Err(e) => Err(Error::Message("InvalidUtf8".to_owned())) [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_e` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/de.rs:191:25 [INFO] [stderr] | [INFO] [stderr] 191 | Err(e) => Err(Error::Message("InvalidUtf8".to_owned())) [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_e` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `visitor` [INFO] [stderr] --> src/de.rs:286:34 [INFO] [stderr] | [INFO] [stderr] 286 | fn deserialize_char(self, visitor: V) -> Result where [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_visitor` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `visitor` [INFO] [stderr] --> src/de.rs:301:35 [INFO] [stderr] | [INFO] [stderr] 301 | fn deserialize_bytes(self, visitor: V) -> Result where [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_visitor` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `visitor` [INFO] [stderr] --> src/de.rs:306:38 [INFO] [stderr] | [INFO] [stderr] 306 | fn deserialize_byte_buf(self, visitor: V) -> Result where [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_visitor` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `visitor` [INFO] [stderr] --> src/de.rs:311:36 [INFO] [stderr] | [INFO] [stderr] 311 | fn deserialize_option(self, visitor: V) -> Result where [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_visitor` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `name` [INFO] [stderr] --> src/de.rs:332:44 [INFO] [stderr] | [INFO] [stderr] 332 | fn deserialize_newtype_struct(self, name: &'static str, visitor: V) -> Result where [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_name` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `visitor` [INFO] [stderr] --> src/de.rs:332:64 [INFO] [stderr] | [INFO] [stderr] 332 | fn deserialize_newtype_struct(self, name: &'static str, visitor: V) -> Result where [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_visitor` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `len` [INFO] [stderr] --> src/de.rs:342:35 [INFO] [stderr] | [INFO] [stderr] 342 | fn deserialize_tuple(self, len: usize, visitor: V) -> Result where [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_len` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `visitor` [INFO] [stderr] --> src/de.rs:342:47 [INFO] [stderr] | [INFO] [stderr] 342 | fn deserialize_tuple(self, len: usize, visitor: V) -> Result where [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_visitor` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `name` [INFO] [stderr] --> src/de.rs:347:42 [INFO] [stderr] | [INFO] [stderr] 347 | fn deserialize_tuple_struct(self, name: &'static str, len: usize, visitor: V) -> Result where [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_name` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `len` [INFO] [stderr] --> src/de.rs:347:62 [INFO] [stderr] | [INFO] [stderr] 347 | fn deserialize_tuple_struct(self, name: &'static str, len: usize, visitor: V) -> Result where [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_len` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `visitor` [INFO] [stderr] --> src/de.rs:347:74 [INFO] [stderr] | [INFO] [stderr] 347 | fn deserialize_tuple_struct(self, name: &'static str, len: usize, visitor: V) -> Result where [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_visitor` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `name` [INFO] [stderr] --> src/de.rs:362:34 [INFO] [stderr] | [INFO] [stderr] 362 | fn deserialize_enum(self, name: &'static str, variants: &'static [&'static str], visitor: V) -> Result where [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_name` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `variants` [INFO] [stderr] --> src/de.rs:362:54 [INFO] [stderr] | [INFO] [stderr] 362 | fn deserialize_enum(self, name: &'static str, variants: &'static [&'static str], visitor: V) -> Result where [INFO] [stderr] | ^^^^^^^^ help: consider prefixing with an underscore: `_variants` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `visitor` [INFO] [stderr] --> src/de.rs:362:89 [INFO] [stderr] | [INFO] [stderr] 362 | fn deserialize_enum(self, name: &'static str, variants: &'static [&'static str], visitor: V) -> Result where [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_visitor` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `visitor` [INFO] [stderr] --> src/de.rs:372:41 [INFO] [stderr] | [INFO] [stderr] 372 | fn deserialize_ignored_any(self, visitor: V) -> Result where [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_visitor` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `byte_len` [INFO] [stderr] --> src/de.rs:407:25 [INFO] [stderr] | [INFO] [stderr] 407 | let byte_len = self.de.consume_u8()? as usize - 1 - 2*U8_SIZE; // sub header, bytelen, nitems [INFO] [stderr] | ^^^^^^^^ help: consider prefixing with an underscore: `_byte_len` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `byte_len` [INFO] [stderr] --> src/de.rs:414:25 [INFO] [stderr] | [INFO] [stderr] 414 | let byte_len = self.de.consume_u16()? as usize - 1 - 2*U16_SIZE; // sub header, bytelen, nitems [INFO] [stderr] | ^^^^^^^^ help: consider prefixing with an underscore: `_byte_len` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `byte_len` [INFO] [stderr] --> src/de.rs:421:25 [INFO] [stderr] | [INFO] [stderr] 421 | let byte_len = self.de.consume_u32()? as usize - 1 - 2*U32_SIZE; // sub header, bytelen, nitems [INFO] [stderr] | ^^^^^^^^ help: consider prefixing with an underscore: `_byte_len` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `byte_len` [INFO] [stderr] --> src/de.rs:429:25 [INFO] [stderr] | [INFO] [stderr] 429 | let byte_len = self.de.consume_u64()? as usize - 1 - 2*U64_SIZE; // sub header, bytelen, nitems [INFO] [stderr] | ^^^^^^^^ help: consider prefixing with an underscore: `_byte_len` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `name` [INFO] [stderr] --> src/ser.rs:204:36 [INFO] [stderr] | [INFO] [stderr] 204 | fn serialize_unit_struct(self, name: &'static str) -> Result { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_name` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `name` [INFO] [stderr] --> src/ser.rs:226:43 [INFO] [stderr] | [INFO] [stderr] 226 | fn serialize_newtype_variant(self, name: &'static str, variant_index: u32, variant: &'static str, value: &T) -> Result where [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_name` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `variant_index` [INFO] [stderr] --> src/ser.rs:226:63 [INFO] [stderr] | [INFO] [stderr] 226 | fn serialize_newtype_variant(self, name: &'static str, variant_index: u32, variant: &'static str, value: &T) -> Result where [INFO] [stderr] | ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_variant_index` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `variant` [INFO] [stderr] --> src/ser.rs:226:83 [INFO] [stderr] | [INFO] [stderr] 226 | fn serialize_newtype_variant(self, name: &'static str, variant_index: u32, variant: &'static str, value: &T) -> Result where [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_variant` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/ser.rs:226:106 [INFO] [stderr] | [INFO] [stderr] 226 | fn serialize_newtype_variant(self, name: &'static str, variant_index: u32, variant: &'static str, value: &T) -> Result where [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `len` [INFO] [stderr] --> src/ser.rs:231:28 [INFO] [stderr] | [INFO] [stderr] 231 | fn serialize_seq(self, len: Option) -> Result { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_len` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `len` [INFO] [stderr] --> src/ser.rs:246:58 [INFO] [stderr] | [INFO] [stderr] 246 | fn serialize_tuple_struct(self, _name: &'static str, len: usize) -> Result { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_len` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `name` [INFO] [stderr] --> src/ser.rs:250:38 [INFO] [stderr] | [INFO] [stderr] 250 | fn serialize_tuple_variant(self, name: &'static str, variant_index: u32, variant: &'static str, len: usize) -> Result { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_name` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `variant_index` [INFO] [stderr] --> src/ser.rs:250:58 [INFO] [stderr] | [INFO] [stderr] 250 | fn serialize_tuple_variant(self, name: &'static str, variant_index: u32, variant: &'static str, len: usize) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_variant_index` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `variant` [INFO] [stderr] --> src/ser.rs:250:78 [INFO] [stderr] | [INFO] [stderr] 250 | fn serialize_tuple_variant(self, name: &'static str, variant_index: u32, variant: &'static str, len: usize) -> Result { [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_variant` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `len` [INFO] [stderr] --> src/ser.rs:250:101 [INFO] [stderr] | [INFO] [stderr] 250 | fn serialize_tuple_variant(self, name: &'static str, variant_index: u32, variant: &'static str, len: usize) -> Result { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_len` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `len` [INFO] [stderr] --> src/ser.rs:254:28 [INFO] [stderr] | [INFO] [stderr] 254 | fn serialize_map(self, len: Option) -> Result { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_len` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `name` [INFO] [stderr] --> src/ser.rs:267:39 [INFO] [stderr] | [INFO] [stderr] 267 | fn serialize_struct_variant(self, name: &'static str, variant_index: u32, variant: &'static str, len: usize) -> Result { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_name` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `variant_index` [INFO] [stderr] --> src/ser.rs:267:59 [INFO] [stderr] | [INFO] [stderr] 267 | fn serialize_struct_variant(self, name: &'static str, variant_index: u32, variant: &'static str, len: usize) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_variant_index` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `variant` [INFO] [stderr] --> src/ser.rs:267:79 [INFO] [stderr] | [INFO] [stderr] 267 | fn serialize_struct_variant(self, name: &'static str, variant_index: u32, variant: &'static str, len: usize) -> Result { [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_variant` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `len` [INFO] [stderr] --> src/ser.rs:267:102 [INFO] [stderr] | [INFO] [stderr] 267 | fn serialize_struct_variant(self, name: &'static str, variant_index: u32, variant: &'static str, len: usize) -> Result { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_len` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/ser.rs:271:37 [INFO] [stderr] | [INFO] [stderr] 271 | fn collect_str(self, value: &T) -> Result where [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/ser.rs:282:38 [INFO] [stderr] | [INFO] [stderr] 282 | fn serialize_field(&mut self, value: &T) -> Result<()> [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/ser.rs:307:38 [INFO] [stderr] | [INFO] [stderr] 307 | fn serialize_field(&mut self, value: &T) -> Result<()> [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `key` [INFO] [stderr] --> src/ser.rs:325:38 [INFO] [stderr] | [INFO] [stderr] 325 | fn serialize_field(&mut self, key: &'static str, value: &T) -> Result<()> [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_key` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/ser.rs:325:57 [INFO] [stderr] | [INFO] [stderr] 325 | fn serialize_field(&mut self, key: &'static str, value: &T) -> Result<()> [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `key` [INFO] [stderr] --> src/ser.rs:343:38 [INFO] [stderr] | [INFO] [stderr] 343 | fn serialize_field(&mut self, key: &'static str, value: &T) -> Result<()> [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_key` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/ser.rs:343:57 [INFO] [stderr] | [INFO] [stderr] 343 | fn serialize_field(&mut self, key: &'static str, value: &T) -> Result<()> [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/ser.rs:533:12 [INFO] [stderr] | [INFO] [stderr] 533 | fn end(mut self) -> Result { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/ser.rs:690:12 [INFO] [stderr] | [INFO] [stderr] 690 | fn end(mut self) -> Result { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `next_byte` [INFO] [stderr] --> src/de.rs:43:5 [INFO] [stderr] | [INFO] [stderr] 43 | fn next_byte(&mut self) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `SeqSerializer` [INFO] [stderr] --> src/ser.rs:12:1 [INFO] [stderr] | [INFO] [stderr] 12 | pub struct SeqSerializer { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/error.rs:36:13 [INFO] [stderr] | [INFO] [stderr] 36 | _ => "unhandled error type", [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `b` [INFO] [stderr] --> src/de.rs:128:13 [INFO] [stderr] | [INFO] [stderr] 128 | b => { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_b` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/de.rs:176:25 [INFO] [stderr] | [INFO] [stderr] 176 | Err(e) => Err(Error::Message("InvalidUtf8".to_owned())) [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_e` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/de.rs:191:25 [INFO] [stderr] | [INFO] [stderr] 191 | Err(e) => Err(Error::Message("InvalidUtf8".to_owned())) [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_e` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `visitor` [INFO] [stderr] --> src/de.rs:286:34 [INFO] [stderr] | [INFO] [stderr] 286 | fn deserialize_char(self, visitor: V) -> Result where [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_visitor` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `visitor` [INFO] [stderr] --> src/de.rs:301:35 [INFO] [stderr] | [INFO] [stderr] 301 | fn deserialize_bytes(self, visitor: V) -> Result where [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_visitor` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `visitor` [INFO] [stderr] --> src/de.rs:306:38 [INFO] [stderr] | [INFO] [stderr] 306 | fn deserialize_byte_buf(self, visitor: V) -> Result where [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_visitor` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `visitor` [INFO] [stderr] --> src/de.rs:311:36 [INFO] [stderr] | [INFO] [stderr] 311 | fn deserialize_option(self, visitor: V) -> Result where [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_visitor` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `name` [INFO] [stderr] --> src/de.rs:332:44 [INFO] [stderr] | [INFO] [stderr] 332 | fn deserialize_newtype_struct(self, name: &'static str, visitor: V) -> Result where [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_name` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `visitor` [INFO] [stderr] --> src/de.rs:332:64 [INFO] [stderr] | [INFO] [stderr] 332 | fn deserialize_newtype_struct(self, name: &'static str, visitor: V) -> Result where [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_visitor` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `len` [INFO] [stderr] --> src/de.rs:342:35 [INFO] [stderr] | [INFO] [stderr] 342 | fn deserialize_tuple(self, len: usize, visitor: V) -> Result where [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_len` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `visitor` [INFO] [stderr] --> src/de.rs:342:47 [INFO] [stderr] | [INFO] [stderr] 342 | fn deserialize_tuple(self, len: usize, visitor: V) -> Result where [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_visitor` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `name` [INFO] [stderr] --> src/de.rs:347:42 [INFO] [stderr] | [INFO] [stderr] 347 | fn deserialize_tuple_struct(self, name: &'static str, len: usize, visitor: V) -> Result where [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_name` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `len` [INFO] [stderr] --> src/de.rs:347:62 [INFO] [stderr] | [INFO] [stderr] 347 | fn deserialize_tuple_struct(self, name: &'static str, len: usize, visitor: V) -> Result where [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_len` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `visitor` [INFO] [stderr] --> src/de.rs:347:74 [INFO] [stderr] | [INFO] [stderr] 347 | fn deserialize_tuple_struct(self, name: &'static str, len: usize, visitor: V) -> Result where [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_visitor` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `name` [INFO] [stderr] --> src/de.rs:362:34 [INFO] [stderr] | [INFO] [stderr] 362 | fn deserialize_enum(self, name: &'static str, variants: &'static [&'static str], visitor: V) -> Result where [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_name` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `variants` [INFO] [stderr] --> src/de.rs:362:54 [INFO] [stderr] | [INFO] [stderr] 362 | fn deserialize_enum(self, name: &'static str, variants: &'static [&'static str], visitor: V) -> Result where [INFO] [stderr] | ^^^^^^^^ help: consider prefixing with an underscore: `_variants` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `visitor` [INFO] [stderr] --> src/de.rs:362:89 [INFO] [stderr] | [INFO] [stderr] 362 | fn deserialize_enum(self, name: &'static str, variants: &'static [&'static str], visitor: V) -> Result where [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_visitor` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `visitor` [INFO] [stderr] --> src/de.rs:372:41 [INFO] [stderr] | [INFO] [stderr] 372 | fn deserialize_ignored_any(self, visitor: V) -> Result where [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_visitor` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `byte_len` [INFO] [stderr] --> src/de.rs:407:25 [INFO] [stderr] | [INFO] [stderr] 407 | let byte_len = self.de.consume_u8()? as usize - 1 - 2*U8_SIZE; // sub header, bytelen, nitems [INFO] [stderr] | ^^^^^^^^ help: consider prefixing with an underscore: `_byte_len` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `byte_len` [INFO] [stderr] --> src/de.rs:414:25 [INFO] [stderr] | [INFO] [stderr] 414 | let byte_len = self.de.consume_u16()? as usize - 1 - 2*U16_SIZE; // sub header, bytelen, nitems [INFO] [stderr] | ^^^^^^^^ help: consider prefixing with an underscore: `_byte_len` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `byte_len` [INFO] [stderr] --> src/de.rs:421:25 [INFO] [stderr] | [INFO] [stderr] 421 | let byte_len = self.de.consume_u32()? as usize - 1 - 2*U32_SIZE; // sub header, bytelen, nitems [INFO] [stderr] | ^^^^^^^^ help: consider prefixing with an underscore: `_byte_len` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `byte_len` [INFO] [stderr] --> src/de.rs:429:25 [INFO] [stderr] | [INFO] [stderr] 429 | let byte_len = self.de.consume_u64()? as usize - 1 - 2*U64_SIZE; // sub header, bytelen, nitems [INFO] [stderr] | ^^^^^^^^ help: consider prefixing with an underscore: `_byte_len` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `name` [INFO] [stderr] --> src/ser.rs:204:36 [INFO] [stderr] | [INFO] [stderr] 204 | fn serialize_unit_struct(self, name: &'static str) -> Result { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_name` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `name` [INFO] [stderr] --> src/ser.rs:226:43 [INFO] [stderr] | [INFO] [stderr] 226 | fn serialize_newtype_variant(self, name: &'static str, variant_index: u32, variant: &'static str, value: &T) -> Result where [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_name` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `variant_index` [INFO] [stderr] --> src/ser.rs:226:63 [INFO] [stderr] | [INFO] [stderr] 226 | fn serialize_newtype_variant(self, name: &'static str, variant_index: u32, variant: &'static str, value: &T) -> Result where [INFO] [stderr] | ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_variant_index` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `variant` [INFO] [stderr] --> src/ser.rs:226:83 [INFO] [stderr] | [INFO] [stderr] 226 | fn serialize_newtype_variant(self, name: &'static str, variant_index: u32, variant: &'static str, value: &T) -> Result where [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_variant` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/ser.rs:226:106 [INFO] [stderr] | [INFO] [stderr] 226 | fn serialize_newtype_variant(self, name: &'static str, variant_index: u32, variant: &'static str, value: &T) -> Result where [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `len` [INFO] [stderr] --> src/ser.rs:231:28 [INFO] [stderr] | [INFO] [stderr] 231 | fn serialize_seq(self, len: Option) -> Result { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_len` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `len` [INFO] [stderr] --> src/ser.rs:246:58 [INFO] [stderr] | [INFO] [stderr] 246 | fn serialize_tuple_struct(self, _name: &'static str, len: usize) -> Result { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_len` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `name` [INFO] [stderr] --> src/ser.rs:250:38 [INFO] [stderr] | [INFO] [stderr] 250 | fn serialize_tuple_variant(self, name: &'static str, variant_index: u32, variant: &'static str, len: usize) -> Result { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_name` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `variant_index` [INFO] [stderr] --> src/ser.rs:250:58 [INFO] [stderr] | [INFO] [stderr] 250 | fn serialize_tuple_variant(self, name: &'static str, variant_index: u32, variant: &'static str, len: usize) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_variant_index` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `variant` [INFO] [stderr] --> src/ser.rs:250:78 [INFO] [stderr] | [INFO] [stderr] 250 | fn serialize_tuple_variant(self, name: &'static str, variant_index: u32, variant: &'static str, len: usize) -> Result { [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_variant` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `len` [INFO] [stderr] --> src/ser.rs:250:101 [INFO] [stderr] | [INFO] [stderr] 250 | fn serialize_tuple_variant(self, name: &'static str, variant_index: u32, variant: &'static str, len: usize) -> Result { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_len` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `len` [INFO] [stderr] --> src/ser.rs:254:28 [INFO] [stderr] | [INFO] [stderr] 254 | fn serialize_map(self, len: Option) -> Result { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_len` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `name` [INFO] [stderr] --> src/ser.rs:267:39 [INFO] [stderr] | [INFO] [stderr] 267 | fn serialize_struct_variant(self, name: &'static str, variant_index: u32, variant: &'static str, len: usize) -> Result { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_name` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `variant_index` [INFO] [stderr] --> src/ser.rs:267:59 [INFO] [stderr] | [INFO] [stderr] 267 | fn serialize_struct_variant(self, name: &'static str, variant_index: u32, variant: &'static str, len: usize) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_variant_index` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `variant` [INFO] [stderr] --> src/ser.rs:267:79 [INFO] [stderr] | [INFO] [stderr] 267 | fn serialize_struct_variant(self, name: &'static str, variant_index: u32, variant: &'static str, len: usize) -> Result { [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_variant` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `len` [INFO] [stderr] --> src/ser.rs:267:102 [INFO] [stderr] | [INFO] [stderr] 267 | fn serialize_struct_variant(self, name: &'static str, variant_index: u32, variant: &'static str, len: usize) -> Result { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_len` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/ser.rs:271:37 [INFO] [stderr] | [INFO] [stderr] 271 | fn collect_str(self, value: &T) -> Result where [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/ser.rs:282:38 [INFO] [stderr] | [INFO] [stderr] 282 | fn serialize_field(&mut self, value: &T) -> Result<()> [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/ser.rs:307:38 [INFO] [stderr] | [INFO] [stderr] 307 | fn serialize_field(&mut self, value: &T) -> Result<()> [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `key` [INFO] [stderr] --> src/ser.rs:325:38 [INFO] [stderr] | [INFO] [stderr] 325 | fn serialize_field(&mut self, key: &'static str, value: &T) -> Result<()> [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_key` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/ser.rs:325:57 [INFO] [stderr] | [INFO] [stderr] 325 | fn serialize_field(&mut self, key: &'static str, value: &T) -> Result<()> [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `key` [INFO] [stderr] --> src/ser.rs:343:38 [INFO] [stderr] | [INFO] [stderr] 343 | fn serialize_field(&mut self, key: &'static str, value: &T) -> Result<()> [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_key` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/ser.rs:343:57 [INFO] [stderr] | [INFO] [stderr] 343 | fn serialize_field(&mut self, key: &'static str, value: &T) -> Result<()> [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/ser.rs:533:12 [INFO] [stderr] | [INFO] [stderr] 533 | fn end(mut self) -> Result { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/ser.rs:690:12 [INFO] [stderr] | [INFO] [stderr] 690 | fn end(mut self) -> Result { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `next_byte` [INFO] [stderr] --> src/de.rs:43:5 [INFO] [stderr] | [INFO] [stderr] 43 | fn next_byte(&mut self) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `SeqSerializer` [INFO] [stderr] --> src/ser.rs:12:1 [INFO] [stderr] | [INFO] [stderr] 12 | pub struct SeqSerializer { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.74s [INFO] running `"docker" "inspect" "df44e5033ce76c76dcfe45bca15ab848cbc351ff1d94bee06152263275e8a751"` [INFO] running `"docker" "rm" "-f" "df44e5033ce76c76dcfe45bca15ab848cbc351ff1d94bee06152263275e8a751"` [INFO] [stdout] df44e5033ce76c76dcfe45bca15ab848cbc351ff1d94bee06152263275e8a751