[INFO] fetching crate jvm-serializable 0.0.2...
[INFO] checking jvm-serializable-0.0.2 against try#575650af7d7ca88602df28e39d27bf3e456c306e for pr-80579
[INFO] extracting crate jvm-serializable 0.0.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate jvm-serializable 0.0.2 on toolchain 575650af7d7ca88602df28e39d27bf3e456c306e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jvm-serializable 0.0.2
[INFO] finished tweaking crates.io crate jvm-serializable 0.0.2
[INFO] tweaked toml for crates.io crate jvm-serializable 0.0.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded jvm-macro v0.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4224fdb2a13667d24b7717ba9969b3d30419ca5d64b76a660d94581876f7fecf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4224fdb2a13667d24b7717ba9969b3d30419ca5d64b76a660d94581876f7fecf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4224fdb2a13667d24b7717ba9969b3d30419ca5d64b76a660d94581876f7fecf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4224fdb2a13667d24b7717ba9969b3d30419ca5d64b76a660d94581876f7fecf", kill_on_drop: false }`
[INFO] [stdout] 4224fdb2a13667d24b7717ba9969b3d30419ca5d64b76a660d94581876f7fecf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d46f5ca892f3760f26a1831521bba37453afd6a69e339664988dd28e30914b9d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d46f5ca892f3760f26a1831521bba37453afd6a69e339664988dd28e30914b9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling const_fn v0.4.4
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking half v1.6.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking quote v1.0.8
[INFO] [stderr]     Checking syn v1.0.56
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
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[INFO] [stderr]     Checking rand v0.7.3
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[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking serde_derive_internals v0.25.0
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]    Compiling jvm-macro v0.0.1
[INFO] [stderr]     Checking csv v1.1.5
[INFO] [stderr]     Checking tinytemplate v1.1.0
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stderr]     Checking jvm-serializable v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`
[INFO] [stdout]   --> src/lib.rs:19:25
[INFO] [stdout]    |
[INFO] [stdout] 19 |         use std::sync::{Mutex, Arc};
[INFO] [stdout]    |                         ^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]   --> src/lib.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |         use std::time::Instant;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Formatter`, `TryFrom`
[INFO] [stdout]   --> src/lib.rs:23:29
[INFO] [stdout]    |
[INFO] [stdout] 23 |         use serde::export::{Formatter, TryFrom};
[INFO] [stdout]    |                             ^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AtomicBool`, `Ordering`
[INFO] [stdout]   --> src/lib.rs:25:33
[INFO] [stdout]    |
[INFO] [stdout] 25 |         use std::sync::atomic::{AtomicBool, Ordering};
[INFO] [stdout]    |                                 ^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/lib.rs:131:56
[INFO] [stdout]     |
[INFO] [stdout] 131 |             fn serialize_element<T: ?Sized>(&mut self, value: &T) -> Result<(), Self::Error> where
[INFO] [stdout]     |                                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/lib.rs:145:56
[INFO] [stdout]     |
[INFO] [stdout] 145 |             fn serialize_element<T: ?Sized>(&mut self, value: &T) -> Result<(), Self::Error> where
[INFO] [stdout]     |                                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/lib.rs:159:54
[INFO] [stdout]     |
[INFO] [stdout] 159 |             fn serialize_field<T: ?Sized>(&mut self, value: &T) -> Result<(), Self::Error> where
[INFO] [stdout]     |                                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/lib.rs:173:54
[INFO] [stdout]     |
[INFO] [stdout] 173 |             fn serialize_field<T: ?Sized>(&mut self, value: &T) -> Result<(), Self::Error> where
[INFO] [stdout]     |                                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/lib.rs:187:52
[INFO] [stdout]     |
[INFO] [stdout] 187 |             fn serialize_key<T: ?Sized>(&mut self, key: &T) -> Result<(), Self::Error> where
[INFO] [stdout]     |                                                    ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/lib.rs:192:54
[INFO] [stdout]     |
[INFO] [stdout] 192 |             fn serialize_value<T: ?Sized>(&mut self, value: &T) -> Result<(), Self::Error> where
[INFO] [stdout]     |                                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/lib.rs:285:54
[INFO] [stdout]     |
[INFO] [stdout] 285 |             fn serialize_field<T: ?Sized>(&mut self, key: &'static str, value: &T) -> Result<(), Self::Error> where
[INFO] [stdout]     |                                                      ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/lib.rs:285:73
[INFO] [stdout]     |
[INFO] [stdout] 285 |             fn serialize_field<T: ?Sized>(&mut self, key: &'static str, value: &T) -> Result<(), Self::Error> where
[INFO] [stdout]     |                                                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/lib.rs:346:21
[INFO] [stdout]     |
[INFO] [stdout] 346 |                 for i in 0..num_fileds {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]    --> src/lib.rs:387:35
[INFO] [stdout]     |
[INFO] [stdout] 387 |                 for (name, type_, idx) in fields {
[INFO] [stdout]     |                                   ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/lib.rs:570:48
[INFO] [stdout]     |
[INFO] [stdout] 570 |             fn serialize_some<T: ?Sized>(self, value: &T) -> Result<Self::Ok, Self::Error> where
[INFO] [stdout]     |                                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:581:44
[INFO] [stdout]     |
[INFO] [stdout] 581 |             fn serialize_unit_struct(self, name: &'static str) -> Result<Self::Ok, Self::Error> {
[INFO] [stdout]     |                                            ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:586:45
[INFO] [stdout]     |
[INFO] [stdout] 586 | ...   fn serialize_unit_variant(self, name: &'static str, variant_index: u32, variant: &'static str) -> Result<Self::Ok, Self::Error> {
[INFO] [stdout]     |                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variant_index`
[INFO] [stdout]    --> src/lib.rs:586:65
[INFO] [stdout]     |
[INFO] [stdout] 586 | ..., name: &'static str, variant_index: u32, variant: &'static str) -> Result<Self::Ok, Self::Error> {
[INFO] [stdout]     |                          ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variant_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variant`
[INFO] [stdout]    --> src/lib.rs:586:85
[INFO] [stdout]     |
[INFO] [stdout] 586 | ...ic str, variant_index: u32, variant: &'static str) -> Result<Self::Ok, Self::Error> {
[INFO] [stdout]     |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:591:58
[INFO] [stdout]     |
[INFO] [stdout] 591 |             fn serialize_newtype_struct<T: ?Sized>(self, name: &'static str, value: &T) -> Result<Self::Ok, Self::Error> where
[INFO] [stdout]     |                                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/lib.rs:591:78
[INFO] [stdout]     |
[INFO] [stdout] 591 |             fn serialize_newtype_struct<T: ?Sized>(self, name: &'static str, value: &T) -> Result<Self::Ok, Self::Error> where
[INFO] [stdout]     |                                                                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:597:59
[INFO] [stdout]     |
[INFO] [stdout] 597 | ...   fn serialize_newtype_variant<T: ?Sized>(self, name: &'static str, variant_index: u32, variant: &'static str, value: &T) -> Result<S...
[INFO] [stdout]     |                                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variant_index`
[INFO] [stdout]    --> src/lib.rs:597:79
[INFO] [stdout]     |
[INFO] [stdout] 597 | ..., name: &'static str, variant_index: u32, variant: &'static str, value: &T) -> Result<Self::Ok, Self::Error> where
[INFO] [stdout]     |                          ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variant_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variant`
[INFO] [stdout]    --> src/lib.rs:597:99
[INFO] [stdout]     |
[INFO] [stdout] 597 | ...ic str, variant_index: u32, variant: &'static str, value: &T) -> Result<Self::Ok, Self::Error> where
[INFO] [stdout]     |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/lib.rs:597:122
[INFO] [stdout]     |
[INFO] [stdout] 597 | ...: u32, variant: &'static str, value: &T) -> Result<Self::Ok, Self::Error> where
[INFO] [stdout]     |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/lib.rs:603:36
[INFO] [stdout]     |
[INFO] [stdout] 603 |             fn serialize_seq(self, len: Option<usize>) -> Result<Self::SerializeSeq, Self::Error> {
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/lib.rs:608:38
[INFO] [stdout]     |
[INFO] [stdout] 608 |             fn serialize_tuple(self, len: usize) -> Result<Self::SerializeTuple, Self::Error> {
[INFO] [stdout]     |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:613:45
[INFO] [stdout]     |
[INFO] [stdout] 613 |             fn serialize_tuple_struct(self, name: &'static str, len: usize) -> Result<Self::SerializeTupleStruct, Self::Error> {
[INFO] [stdout]     |                                             ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/lib.rs:613:65
[INFO] [stdout]     |
[INFO] [stdout] 613 |             fn serialize_tuple_struct(self, name: &'static str, len: usize) -> Result<Self::SerializeTupleStruct, Self::Error> {
[INFO] [stdout]     |                                                                 ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:618:46
[INFO] [stdout]     |
[INFO] [stdout] 618 | ...   fn serialize_tuple_variant(self, name: &'static str, variant_index: u32, variant: &'static str, len: usize) -> Result<Self::Seriali...
[INFO] [stdout]     |                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variant_index`
[INFO] [stdout]    --> src/lib.rs:618:66
[INFO] [stdout]     |
[INFO] [stdout] 618 | ..., name: &'static str, variant_index: u32, variant: &'static str, len: usize) -> Result<Self::SerializeTupleVariant, Self::Error> {
[INFO] [stdout]     |                          ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variant_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variant`
[INFO] [stdout]    --> src/lib.rs:618:86
[INFO] [stdout]     |
[INFO] [stdout] 618 | ...ic str, variant_index: u32, variant: &'static str, len: usize) -> Result<Self::SerializeTupleVariant, Self::Error> {
[INFO] [stdout]     |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/lib.rs:618:109
[INFO] [stdout]     |
[INFO] [stdout] 618 | ...ex: u32, variant: &'static str, len: usize) -> Result<Self::SerializeTupleVariant, Self::Error> {
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/lib.rs:623:36
[INFO] [stdout]     |
[INFO] [stdout] 623 |             fn serialize_map(self, len: Option<usize>) -> Result<Self::SerializeMap, Self::Error> {
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:628:39
[INFO] [stdout]     |
[INFO] [stdout] 628 |             fn serialize_struct(self, name: &'static str, len: usize) -> Result<Self::SerializeStruct, Self::Error> {
[INFO] [stdout]     |                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/lib.rs:628:59
[INFO] [stdout]     |
[INFO] [stdout] 628 |             fn serialize_struct(self, name: &'static str, len: usize) -> Result<Self::SerializeStruct, Self::Error> {
[INFO] [stdout]     |                                                           ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:633:47
[INFO] [stdout]     |
[INFO] [stdout] 633 | ...   fn serialize_struct_variant(self, name: &'static str, variant_index: u32, variant: &'static str, len: usize) -> Result<Self::Serial...
[INFO] [stdout]     |                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variant_index`
[INFO] [stdout]    --> src/lib.rs:633:67
[INFO] [stdout]     |
[INFO] [stdout] 633 | ..., name: &'static str, variant_index: u32, variant: &'static str, len: usize) -> Result<Self::SerializeStructVariant, Self::Error> {
[INFO] [stdout]     |                          ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variant_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variant`
[INFO] [stdout]    --> src/lib.rs:633:87
[INFO] [stdout]     |
[INFO] [stdout] 633 | ...ic str, variant_index: u32, variant: &'static str, len: usize) -> Result<Self::SerializeStructVariant, Self::Error> {
[INFO] [stdout]     |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/lib.rs:633:110
[INFO] [stdout]     |
[INFO] [stdout] 633 | ...ex: u32, variant: &'static str, len: usize) -> Result<Self::SerializeStructVariant, Self::Error> {
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/lib.rs:638:45
[INFO] [stdout]     |
[INFO] [stdout] 638 |             fn collect_str<T: ?Sized>(self, value: &T) -> Result<Self::Ok, Self::Error> where T: Display {
[INFO] [stdout]     |                                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/lib.rs:648:41
[INFO] [stdout]     |
[INFO] [stdout] 648 |             fn deserialize_any<V>(self, visitor: V) -> Result<V::Value, Error> where
[INFO] [stdout]     |                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/lib.rs:653:42
[INFO] [stdout]     |
[INFO] [stdout] 653 |             fn deserialize_bool<V>(self, visitor: V) -> Result<<V as Visitor<'de>>::Value, Self::Error> where
[INFO] [stdout]     |                                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/lib.rs:658:40
[INFO] [stdout]     |
[INFO] [stdout] 658 |             fn deserialize_i8<V>(self, visitor: V) -> Result<<V as Visitor<'de>>::Value, Self::Error> where
[INFO] [stdout]     |                                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/lib.rs:663:41
[INFO] [stdout]     |
[INFO] [stdout] 663 |             fn deserialize_i16<V>(self, visitor: V) -> Result<<V as Visitor<'de>>::Value, Self::Error> where
[INFO] [stdout]     |                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/lib.rs:676:41
[INFO] [stdout]     |
[INFO] [stdout] 676 |             fn deserialize_i64<V>(self, visitor: V) -> Result<<V as Visitor<'de>>::Value, Self::Error> where
[INFO] [stdout]     |                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/lib.rs:681:40
[INFO] [stdout]     |
[INFO] [stdout] 681 |             fn deserialize_u8<V>(self, visitor: V) -> Result<<V as Visitor<'de>>::Value, Self::Error> where
[INFO] [stdout]     |                                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/lib.rs:686:41
[INFO] [stdout]     |
[INFO] [stdout] 686 |             fn deserialize_u16<V>(self, visitor: V) -> Result<<V as Visitor<'de>>::Value, Self::Error> where
[INFO] [stdout]     |                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/lib.rs:691:41
[INFO] [stdout]     |
[INFO] [stdout] 691 |             fn deserialize_u32<V>(self, visitor: V) -> Result<<V as Visitor<'de>>::Value, Self::Error> where
[INFO] [stdout]     |                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/lib.rs:696:41
[INFO] [stdout]     |
[INFO] [stdout] 696 |             fn deserialize_u64<V>(self, visitor: V) -> Result<<V as Visitor<'de>>::Value, Self::Error> where
[INFO] [stdout]     |                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/lib.rs:701:41
[INFO] [stdout]     |
[INFO] [stdout] 701 |             fn deserialize_f32<V>(self, visitor: V) -> Result<<V as Visitor<'de>>::Value, Self::Error> where
[INFO] [stdout]     |                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/lib.rs:706:41
[INFO] [stdout]     |
[INFO] [stdout] 706 |             fn deserialize_f64<V>(self, visitor: V) -> Result<<V as Visitor<'de>>::Value, Self::Error> where
[INFO] [stdout]     |                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/lib.rs:711:42
[INFO] [stdout]     |
[INFO] [stdout] 711 |             fn deserialize_char<V>(self, visitor: V) -> Result<<V as Visitor<'de>>::Value, Self::Error> where
[INFO] [stdout]     |                                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/lib.rs:716:41
[INFO] [stdout]     |
[INFO] [stdout] 716 |             fn deserialize_str<V>(self, visitor: V) -> Result<<V as Visitor<'de>>::Value, Self::Error> where
[INFO] [stdout]     |                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/lib.rs:732:43
[INFO] [stdout]     |
[INFO] [stdout] 732 |             fn deserialize_bytes<V>(self, visitor: V) -> Result<<V as Visitor<'de>>::Value, Self::Error> where
[INFO] [stdout]     |                                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/lib.rs:737:46
[INFO] [stdout]     |
[INFO] [stdout] 737 |             fn deserialize_byte_buf<V>(self, visitor: V) -> Result<<V as Visitor<'de>>::Value, Self::Error> where
[INFO] [stdout]     |                                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/lib.rs:742:44
[INFO] [stdout]     |
[INFO] [stdout] 742 |             fn deserialize_option<V>(self, visitor: V) -> Result<<V as Visitor<'de>>::Value, Self::Error> where
[INFO] [stdout]     |                                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/lib.rs:747:42
[INFO] [stdout]     |
[INFO] [stdout] 747 |             fn deserialize_unit<V>(self, visitor: V) -> Result<<V as Visitor<'de>>::Value, Self::Error> where
[INFO] [stdout]     |                                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:752:49
[INFO] [stdout]     |
[INFO] [stdout] 752 |             fn deserialize_unit_struct<V>(self, name: &'static str, visitor: V) -> Result<<V as Visitor<'de>>::Value, Self::Error> where
[INFO] [stdout]     |                                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/lib.rs:752:69
[INFO] [stdout]     |
[INFO] [stdout] 752 |             fn deserialize_unit_struct<V>(self, name: &'static str, visitor: V) -> Result<<V as Visitor<'de>>::Value, Self::Error> where
[INFO] [stdout]     |                                                                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:757:52
[INFO] [stdout]     |
[INFO] [stdout] 757 |             fn deserialize_newtype_struct<V>(self, name: &'static str, visitor: V) -> Result<<V as Visitor<'de>>::Value, Self::Error> where
[INFO] [stdout]     |                                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/lib.rs:757:72
[INFO] [stdout]     |
[INFO] [stdout] 757 |             fn deserialize_newtype_struct<V>(self, name: &'static str, visitor: V) -> Result<<V as Visitor<'de>>::Value, Self::Error> where
[INFO] [stdout]     |                                                                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/lib.rs:762:41
[INFO] [stdout]     |
[INFO] [stdout] 762 |             fn deserialize_seq<V>(self, visitor: V) -> Result<<V as Visitor<'de>>::Value, Self::Error> where
[INFO] [stdout]     |                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:802:50
[INFO] [stdout]     |
[INFO] [stdout] 802 | ...   fn deserialize_tuple_struct<V>(self, name: &'static str, len: usize, visitor: V) -> Result<<V as Visitor<'de>>::Value, Self::Error>...
[INFO] [stdout]     |                                            ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/lib.rs:802:70
[INFO] [stdout]     |
[INFO] [stdout] 802 | ...   fn deserialize_tuple_struct<V>(self, name: &'static str, len: usize, visitor: V) -> Result<<V as Visitor<'de>>::Value, Self::Error>...
[INFO] [stdout]     |                                                                ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/lib.rs:802:82
[INFO] [stdout]     |
[INFO] [stdout] 802 | ...: &'static str, len: usize, visitor: V) -> Result<<V as Visitor<'de>>::Value, Self::Error> where
[INFO] [stdout]     |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/lib.rs:807:41
[INFO] [stdout]     |
[INFO] [stdout] 807 |             fn deserialize_map<V>(self, visitor: V) -> Result<<V as Visitor<'de>>::Value, Self::Error> where
[INFO] [stdout]     |                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:812:44
[INFO] [stdout]     |
[INFO] [stdout] 812 | ...   fn deserialize_struct<V>(self, name: &'static str, fields: &'static [&'static str], visitor: V) -> Result<<V as Visitor<'de>>::Valu...
[INFO] [stdout]     |                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:843:42
[INFO] [stdout]     |
[INFO] [stdout] 843 | ...   fn deserialize_enum<V>(self, name: &'static str, variants: &'static [&'static str], visitor: V) -> Result<<V as Visitor<'de>>::Valu...
[INFO] [stdout]     |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variants`
[INFO] [stdout]    --> src/lib.rs:843:62
[INFO] [stdout]     |
[INFO] [stdout] 843 | ...(self, name: &'static str, variants: &'static [&'static str], visitor: V) -> Result<<V as Visitor<'de>>::Value, Self::Error> where
[INFO] [stdout]     |                               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variants`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/lib.rs:843:97
[INFO] [stdout]     |
[INFO] [stdout] 843 | ...s: &'static [&'static str], visitor: V) -> Result<<V as Visitor<'de>>::Value, Self::Error> where
[INFO] [stdout]     |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/lib.rs:848:48
[INFO] [stdout]     |
[INFO] [stdout] 848 |             fn deserialize_identifier<V>(self, visitor: V) -> Result<<V as Visitor<'de>>::Value, Self::Error> where
[INFO] [stdout]     |                                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/lib.rs:853:49
[INFO] [stdout]     |
[INFO] [stdout] 853 |             fn deserialize_ignored_any<V>(self, visitor: V) -> Result<<V as Visitor<'de>>::Value, Self::Error> where
[INFO] [stdout]     |                                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]    --> src/lib.rs:897:26
[INFO] [stdout]     |
[INFO] [stdout] 897 |             fn custom<T>(msg: T) -> Self where
[INFO] [stdout]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]    --> src/lib.rs:905:26
[INFO] [stdout]     |
[INFO] [stdout] 905 |             fn custom<T>(msg: T) -> Self where
[INFO] [stdout]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 77 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`
[INFO] [stdout]   --> src/lib.rs:19:25
[INFO] [stdout]    |
[INFO] [stdout] 19 |         use std::sync::{Mutex, Arc};
[INFO] [stdout]    |                         ^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]   --> src/lib.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |         use std::time::Instant;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Formatter`, `TryFrom`
[INFO] [stdout]   --> src/lib.rs:23:29
[INFO] [stdout]    |
[INFO] [stdout] 23 |         use serde::export::{Formatter, TryFrom};
[INFO] [stdout]    |                             ^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AtomicBool`, `Ordering`
[INFO] [stdout]   --> src/lib.rs:25:33
[INFO] [stdout]    |
[INFO] [stdout] 25 |         use std::sync::atomic::{AtomicBool, Ordering};
[INFO] [stdout]    |                                 ^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/lib.rs:131:56
[INFO] [stdout]     |
[INFO] [stdout] 131 |             fn serialize_element<T: ?Sized>(&mut self, value: &T) -> Result<(), Self::Error> where
[INFO] [stdout]     |                                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/lib.rs:145:56
[INFO] [stdout]     |
[INFO] [stdout] 145 |             fn serialize_element<T: ?Sized>(&mut self, value: &T) -> Result<(), Self::Error> where
[INFO] [stdout]     |                                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/lib.rs:159:54
[INFO] [stdout]     |
[INFO] [stdout] 159 |             fn serialize_field<T: ?Sized>(&mut self, value: &T) -> Result<(), Self::Error> where
[INFO] [stdout]     |                                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/lib.rs:173:54
[INFO] [stdout]     |
[INFO] [stdout] 173 |             fn serialize_field<T: ?Sized>(&mut self, value: &T) -> Result<(), Self::Error> where
[INFO] [stdout]     |                                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/lib.rs:187:52
[INFO] [stdout]     |
[INFO] [stdout] 187 |             fn serialize_key<T: ?Sized>(&mut self, key: &T) -> Result<(), Self::Error> where
[INFO] [stdout]     |                                                    ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/lib.rs:192:54
[INFO] [stdout]     |
[INFO] [stdout] 192 |             fn serialize_value<T: ?Sized>(&mut self, value: &T) -> Result<(), Self::Error> where
[INFO] [stdout]     |                                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/lib.rs:285:54
[INFO] [stdout]     |
[INFO] [stdout] 285 |             fn serialize_field<T: ?Sized>(&mut self, key: &'static str, value: &T) -> Result<(), Self::Error> where
[INFO] [stdout]     |                                                      ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/lib.rs:285:73
[INFO] [stdout]     |
[INFO] [stdout] 285 |             fn serialize_field<T: ?Sized>(&mut self, key: &'static str, value: &T) -> Result<(), Self::Error> where
[INFO] [stdout]     |                                                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/lib.rs:346:21
[INFO] [stdout]     |
[INFO] [stdout] 346 |                 for i in 0..num_fileds {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]    --> src/lib.rs:387:35
[INFO] [stdout]     |
[INFO] [stdout] 387 |                 for (name, type_, idx) in fields {
[INFO] [stdout]     |                                   ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/lib.rs:570:48
[INFO] [stdout]     |
[INFO] [stdout] 570 |             fn serialize_some<T: ?Sized>(self, value: &T) -> Result<Self::Ok, Self::Error> where
[INFO] [stdout]     |                                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:581:44
[INFO] [stdout]     |
[INFO] [stdout] 581 |             fn serialize_unit_struct(self, name: &'static str) -> Result<Self::Ok, Self::Error> {
[INFO] [stdout]     |                                            ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:586:45
[INFO] [stdout]     |
[INFO] [stdout] 586 | ...   fn serialize_unit_variant(self, name: &'static str, variant_index: u32, variant: &'static str) -> Result<Self::Ok, Self::Error> {
[INFO] [stdout]     |                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variant_index`
[INFO] [stdout]    --> src/lib.rs:586:65
[INFO] [stdout]     |
[INFO] [stdout] 586 | ..., name: &'static str, variant_index: u32, variant: &'static str) -> Result<Self::Ok, Self::Error> {
[INFO] [stdout]     |                          ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variant_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variant`
[INFO] [stdout]    --> src/lib.rs:586:85
[INFO] [stdout]     |
[INFO] [stdout] 586 | ...ic str, variant_index: u32, variant: &'static str) -> Result<Self::Ok, Self::Error> {
[INFO] [stdout]     |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:591:58
[INFO] [stdout]     |
[INFO] [stdout] 591 |             fn serialize_newtype_struct<T: ?Sized>(self, name: &'static str, value: &T) -> Result<Self::Ok, Self::Error> where
[INFO] [stdout]     |                                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/lib.rs:591:78
[INFO] [stdout]     |
[INFO] [stdout] 591 |             fn serialize_newtype_struct<T: ?Sized>(self, name: &'static str, value: &T) -> Result<Self::Ok, Self::Error> where
[INFO] [stdout]     |                                                                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:597:59
[INFO] [stdout]     |
[INFO] [stdout] 597 | ...   fn serialize_newtype_variant<T: ?Sized>(self, name: &'static str, variant_index: u32, variant: &'static str, value: &T) -> Result<S...
[INFO] [stdout]     |                                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variant_index`
[INFO] [stdout]    --> src/lib.rs:597:79
[INFO] [stdout]     |
[INFO] [stdout] 597 | ..., name: &'static str, variant_index: u32, variant: &'static str, value: &T) -> Result<Self::Ok, Self::Error> where
[INFO] [stdout]     |                          ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variant_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variant`
[INFO] [stdout]    --> src/lib.rs:597:99
[INFO] [stdout]     |
[INFO] [stdout] 597 | ...ic str, variant_index: u32, variant: &'static str, value: &T) -> Result<Self::Ok, Self::Error> where
[INFO] [stdout]     |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/lib.rs:597:122
[INFO] [stdout]     |
[INFO] [stdout] 597 | ...: u32, variant: &'static str, value: &T) -> Result<Self::Ok, Self::Error> where
[INFO] [stdout]     |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/lib.rs:603:36
[INFO] [stdout]     |
[INFO] [stdout] 603 |             fn serialize_seq(self, len: Option<usize>) -> Result<Self::SerializeSeq, Self::Error> {
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/lib.rs:608:38
[INFO] [stdout]     |
[INFO] [stdout] 608 |             fn serialize_tuple(self, len: usize) -> Result<Self::SerializeTuple, Self::Error> {
[INFO] [stdout]     |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:613:45
[INFO] [stdout]     |
[INFO] [stdout] 613 |             fn serialize_tuple_struct(self, name: &'static str, len: usize) -> Result<Self::SerializeTupleStruct, Self::Error> {
[INFO] [stdout]     |                                             ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/lib.rs:613:65
[INFO] [stdout]     |
[INFO] [stdout] 613 |             fn serialize_tuple_struct(self, name: &'static str, len: usize) -> Result<Self::SerializeTupleStruct, Self::Error> {
[INFO] [stdout]     |                                                                 ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:618:46
[INFO] [stdout]     |
[INFO] [stdout] 618 | ...   fn serialize_tuple_variant(self, name: &'static str, variant_index: u32, variant: &'static str, len: usize) -> Result<Self::Seriali...
[INFO] [stdout]     |                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variant_index`
[INFO] [stdout]    --> src/lib.rs:618:66
[INFO] [stdout]     |
[INFO] [stdout] 618 | ..., name: &'static str, variant_index: u32, variant: &'static str, len: usize) -> Result<Self::SerializeTupleVariant, Self::Error> {
[INFO] [stdout]     |                          ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variant_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variant`
[INFO] [stdout]    --> src/lib.rs:618:86
[INFO] [stdout]     |
[INFO] [stdout] 618 | ...ic str, variant_index: u32, variant: &'static str, len: usize) -> Result<Self::SerializeTupleVariant, Self::Error> {
[INFO] [stdout]     |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/lib.rs:618:109
[INFO] [stdout]     |
[INFO] [stdout] 618 | ...ex: u32, variant: &'static str, len: usize) -> Result<Self::SerializeTupleVariant, Self::Error> {
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/lib.rs:623:36
[INFO] [stdout]     |
[INFO] [stdout] 623 |             fn serialize_map(self, len: Option<usize>) -> Result<Self::SerializeMap, Self::Error> {
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:628:39
[INFO] [stdout]     |
[INFO] [stdout] 628 |             fn serialize_struct(self, name: &'static str, len: usize) -> Result<Self::SerializeStruct, Self::Error> {
[INFO] [stdout]     |                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/lib.rs:628:59
[INFO] [stdout]     |
[INFO] [stdout] 628 |             fn serialize_struct(self, name: &'static str, len: usize) -> Result<Self::SerializeStruct, Self::Error> {
[INFO] [stdout]     |                                                           ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:633:47
[INFO] [stdout]     |
[INFO] [stdout] 633 | ...   fn serialize_struct_variant(self, name: &'static str, variant_index: u32, variant: &'static str, len: usize) -> Result<Self::Serial...
[INFO] [stdout]     |                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variant_index`
[INFO] [stdout]    --> src/lib.rs:633:67
[INFO] [stdout]     |
[INFO] [stdout] 633 | ..., name: &'static str, variant_index: u32, variant: &'static str, len: usize) -> Result<Self::SerializeStructVariant, Self::Error> {
[INFO] [stdout]     |                          ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variant_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variant`
[INFO] [stdout]    --> src/lib.rs:633:87
[INFO] [stdout]     |
[INFO] [stdout] 633 | ...ic str, variant_index: u32, variant: &'static str, len: usize) -> Result<Self::SerializeStructVariant, Self::Error> {
[INFO] [stdout]     |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/lib.rs:633:110
[INFO] [stdout]     |
[INFO] [stdout] 633 | ...ex: u32, variant: &'static str, len: usize) -> Result<Self::SerializeStructVariant, Self::Error> {
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/lib.rs:638:45
[INFO] [stdout]     |
[INFO] [stdout] 638 |             fn collect_str<T: ?Sized>(self, value: &T) -> Result<Self::Ok, Self::Error> where T: Display {
[INFO] [stdout]     |                                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/lib.rs:648:41
[INFO] [stdout]     |
[INFO] [stdout] 648 |             fn deserialize_any<V>(self, visitor: V) -> Result<V::Value, Error> where
[INFO] [stdout]     |                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/lib.rs:653:42
[INFO] [stdout]     |
[INFO] [stdout] 653 |             fn deserialize_bool<V>(self, visitor: V) -> Result<<V as Visitor<'de>>::Value, Self::Error> where
[INFO] [stdout]     |                                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/lib.rs:658:40
[INFO] [stdout]     |
[INFO] [stdout] 658 |             fn deserialize_i8<V>(self, visitor: V) -> Result<<V as Visitor<'de>>::Value, Self::Error> where
[INFO] [stdout]     |                                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/lib.rs:663:41
[INFO] [stdout]     |
[INFO] [stdout] 663 |             fn deserialize_i16<V>(self, visitor: V) -> Result<<V as Visitor<'de>>::Value, Self::Error> where
[INFO] [stdout]     |                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/lib.rs:676:41
[INFO] [stdout]     |
[INFO] [stdout] 676 |             fn deserialize_i64<V>(self, visitor: V) -> Result<<V as Visitor<'de>>::Value, Self::Error> where
[INFO] [stdout]     |                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/lib.rs:681:40
[INFO] [stdout]     |
[INFO] [stdout] 681 |             fn deserialize_u8<V>(self, visitor: V) -> Result<<V as Visitor<'de>>::Value, Self::Error> where
[INFO] [stdout]     |                                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/lib.rs:686:41
[INFO] [stdout]     |
[INFO] [stdout] 686 |             fn deserialize_u16<V>(self, visitor: V) -> Result<<V as Visitor<'de>>::Value, Self::Error> where
[INFO] [stdout]     |                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/lib.rs:691:41
[INFO] [stdout]     |
[INFO] [stdout] 691 |             fn deserialize_u32<V>(self, visitor: V) -> Result<<V as Visitor<'de>>::Value, Self::Error> where
[INFO] [stdout]     |                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/lib.rs:696:41
[INFO] [stdout]     |
[INFO] [stdout] 696 |             fn deserialize_u64<V>(self, visitor: V) -> Result<<V as Visitor<'de>>::Value, Self::Error> where
[INFO] [stdout]     |                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/lib.rs:701:41
[INFO] [stdout]     |
[INFO] [stdout] 701 |             fn deserialize_f32<V>(self, visitor: V) -> Result<<V as Visitor<'de>>::Value, Self::Error> where
[INFO] [stdout]     |                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/lib.rs:706:41
[INFO] [stdout]     |
[INFO] [stdout] 706 |             fn deserialize_f64<V>(self, visitor: V) -> Result<<V as Visitor<'de>>::Value, Self::Error> where
[INFO] [stdout]     |                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/lib.rs:711:42
[INFO] [stdout]     |
[INFO] [stdout] 711 |             fn deserialize_char<V>(self, visitor: V) -> Result<<V as Visitor<'de>>::Value, Self::Error> where
[INFO] [stdout]     |                                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/lib.rs:716:41
[INFO] [stdout]     |
[INFO] [stdout] 716 |             fn deserialize_str<V>(self, visitor: V) -> Result<<V as Visitor<'de>>::Value, Self::Error> where
[INFO] [stdout]     |                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/lib.rs:732:43
[INFO] [stdout]     |
[INFO] [stdout] 732 |             fn deserialize_bytes<V>(self, visitor: V) -> Result<<V as Visitor<'de>>::Value, Self::Error> where
[INFO] [stdout]     |                                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/lib.rs:737:46
[INFO] [stdout]     |
[INFO] [stdout] 737 |             fn deserialize_byte_buf<V>(self, visitor: V) -> Result<<V as Visitor<'de>>::Value, Self::Error> where
[INFO] [stdout]     |                                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/lib.rs:742:44
[INFO] [stdout]     |
[INFO] [stdout] 742 |             fn deserialize_option<V>(self, visitor: V) -> Result<<V as Visitor<'de>>::Value, Self::Error> where
[INFO] [stdout]     |                                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/lib.rs:747:42
[INFO] [stdout]     |
[INFO] [stdout] 747 |             fn deserialize_unit<V>(self, visitor: V) -> Result<<V as Visitor<'de>>::Value, Self::Error> where
[INFO] [stdout]     |                                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:752:49
[INFO] [stdout]     |
[INFO] [stdout] 752 |             fn deserialize_unit_struct<V>(self, name: &'static str, visitor: V) -> Result<<V as Visitor<'de>>::Value, Self::Error> where
[INFO] [stdout]     |                                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/lib.rs:752:69
[INFO] [stdout]     |
[INFO] [stdout] 752 |             fn deserialize_unit_struct<V>(self, name: &'static str, visitor: V) -> Result<<V as Visitor<'de>>::Value, Self::Error> where
[INFO] [stdout]     |                                                                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:757:52
[INFO] [stdout]     |
[INFO] [stdout] 757 |             fn deserialize_newtype_struct<V>(self, name: &'static str, visitor: V) -> Result<<V as Visitor<'de>>::Value, Self::Error> where
[INFO] [stdout]     |                                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/lib.rs:757:72
[INFO] [stdout]     |
[INFO] [stdout] 757 |             fn deserialize_newtype_struct<V>(self, name: &'static str, visitor: V) -> Result<<V as Visitor<'de>>::Value, Self::Error> where
[INFO] [stdout]     |                                                                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/lib.rs:762:41
[INFO] [stdout]     |
[INFO] [stdout] 762 |             fn deserialize_seq<V>(self, visitor: V) -> Result<<V as Visitor<'de>>::Value, Self::Error> where
[INFO] [stdout]     |                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:802:50
[INFO] [stdout]     |
[INFO] [stdout] 802 | ...   fn deserialize_tuple_struct<V>(self, name: &'static str, len: usize, visitor: V) -> Result<<V as Visitor<'de>>::Value, Self::Error>...
[INFO] [stdout]     |                                            ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/lib.rs:802:70
[INFO] [stdout]     |
[INFO] [stdout] 802 | ...   fn deserialize_tuple_struct<V>(self, name: &'static str, len: usize, visitor: V) -> Result<<V as Visitor<'de>>::Value, Self::Error>...
[INFO] [stdout]     |                                                                ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/lib.rs:802:82
[INFO] [stdout]     |
[INFO] [stdout] 802 | ...: &'static str, len: usize, visitor: V) -> Result<<V as Visitor<'de>>::Value, Self::Error> where
[INFO] [stdout]     |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/lib.rs:807:41
[INFO] [stdout]     |
[INFO] [stdout] 807 |             fn deserialize_map<V>(self, visitor: V) -> Result<<V as Visitor<'de>>::Value, Self::Error> where
[INFO] [stdout]     |                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:812:44
[INFO] [stdout]     |
[INFO] [stdout] 812 | ...   fn deserialize_struct<V>(self, name: &'static str, fields: &'static [&'static str], visitor: V) -> Result<<V as Visitor<'de>>::Valu...
[INFO] [stdout]     |                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:843:42
[INFO] [stdout]     |
[INFO] [stdout] 843 | ...   fn deserialize_enum<V>(self, name: &'static str, variants: &'static [&'static str], visitor: V) -> Result<<V as Visitor<'de>>::Valu...
[INFO] [stdout]     |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variants`
[INFO] [stdout]    --> src/lib.rs:843:62
[INFO] [stdout]     |
[INFO] [stdout] 843 | ...(self, name: &'static str, variants: &'static [&'static str], visitor: V) -> Result<<V as Visitor<'de>>::Value, Self::Error> where
[INFO] [stdout]     |                               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variants`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/lib.rs:843:97
[INFO] [stdout]     |
[INFO] [stdout] 843 | ...s: &'static [&'static str], visitor: V) -> Result<<V as Visitor<'de>>::Value, Self::Error> where
[INFO] [stdout]     |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/lib.rs:848:48
[INFO] [stdout]     |
[INFO] [stdout] 848 |             fn deserialize_identifier<V>(self, visitor: V) -> Result<<V as Visitor<'de>>::Value, Self::Error> where
[INFO] [stdout]     |                                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/lib.rs:853:49
[INFO] [stdout]     |
[INFO] [stdout] 853 |             fn deserialize_ignored_any<V>(self, visitor: V) -> Result<<V as Visitor<'de>>::Value, Self::Error> where
[INFO] [stdout]     |                                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]    --> src/lib.rs:897:26
[INFO] [stdout]     |
[INFO] [stdout] 897 |             fn custom<T>(msg: T) -> Self where
[INFO] [stdout]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]    --> src/lib.rs:905:26
[INFO] [stdout]     |
[INFO] [stdout] 905 |             fn custom<T>(msg: T) -> Self where
[INFO] [stdout]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 77 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 07s
[INFO] running `Command { std: "docker" "inspect" "d46f5ca892f3760f26a1831521bba37453afd6a69e339664988dd28e30914b9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d46f5ca892f3760f26a1831521bba37453afd6a69e339664988dd28e30914b9d", kill_on_drop: false }`
[INFO] [stdout] d46f5ca892f3760f26a1831521bba37453afd6a69e339664988dd28e30914b9d