[INFO] cloning repository https://github.com/LightningCreations/serde_shade_nbt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LightningCreations/serde_shade_nbt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLightningCreations%2Fserde_shade_nbt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLightningCreations%2Fserde_shade_nbt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d27a8cb6a65061b0d5620dae8d2a58e72f496d46
[INFO] checking LightningCreations/serde_shade_nbt/d27a8cb6a65061b0d5620dae8d2a58e72f496d46 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLightningCreations%2Fserde_shade_nbt" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LightningCreations/serde_shade_nbt on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LightningCreations/serde_shade_nbt
[INFO] finished tweaking git repo https://github.com/LightningCreations/serde_shade_nbt
[INFO] tweaked toml for git repo https://github.com/LightningCreations/serde_shade_nbt written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/LightningCreations/serde_shade_nbt already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mutf8 v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 728ee5fc74c492e5b969663dfb74a6dcd805636615dd7e822499da608857727b
[INFO] running `Command { std: "docker" "start" "-a" "728ee5fc74c492e5b969663dfb74a6dcd805636615dd7e822499da608857727b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "728ee5fc74c492e5b969663dfb74a6dcd805636615dd7e822499da608857727b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "728ee5fc74c492e5b969663dfb74a6dcd805636615dd7e822499da608857727b", kill_on_drop: false }`
[INFO] [stdout] 728ee5fc74c492e5b969663dfb74a6dcd805636615dd7e822499da608857727b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5b949ac237c2cababaed2ec15b2470639d3a0ba43a72314f45a22b65480dbf4
[INFO] running `Command { std: "docker" "start" "-a" "b5b949ac237c2cababaed2ec15b2470639d3a0ba43a72314f45a22b65480dbf4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.60
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling serde v1.0.164
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]     Checking mutf8 v0.5.0
[INFO] [stderr]    Compiling syn v2.0.18
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling serde_derive v1.0.164
[INFO] [stderr]     Checking serde_shade_nbt v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]   --> src/de.rs:38:51
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn deserialize_any<V: de::Visitor<'de>>(self, visitor: V) -> Result<V::Value> {
[INFO] [stdout]    |                                                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]   --> src/de.rs:42:52
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn deserialize_bool<V: de::Visitor<'de>>(self, visitor: V) -> Result<V::Value> {
[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/de.rs:46:50
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn deserialize_i8<V: de::Visitor<'de>>(self, visitor: V) -> Result<V::Value> {
[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/de.rs:50:51
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn deserialize_i16<V: de::Visitor<'de>>(self, visitor: V) -> Result<V::Value> {
[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/de.rs:54:51
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn deserialize_i32<V: de::Visitor<'de>>(self, visitor: V) -> Result<V::Value> {
[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/de.rs:58:51
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn deserialize_i64<V: de::Visitor<'de>>(self, visitor: V) -> Result<V::Value> {
[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/de.rs:62:52
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn deserialize_i128<V: de::Visitor<'de>>(self, visitor: V) -> Result<V::Value> {
[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/de.rs:66:50
[INFO] [stdout]    |
[INFO] [stdout] 66 |     fn deserialize_u8<V: de::Visitor<'de>>(self, visitor: V) -> Result<V::Value> {
[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/de.rs:70:51
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn deserialize_u16<V: de::Visitor<'de>>(self, visitor: V) -> Result<V::Value> {
[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/de.rs:74:51
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn deserialize_u32<V: de::Visitor<'de>>(self, visitor: V) -> Result<V::Value> {
[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/de.rs:78:51
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn deserialize_u64<V: de::Visitor<'de>>(self, visitor: V) -> Result<V::Value> {
[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/de.rs:82:52
[INFO] [stdout]    |
[INFO] [stdout] 82 |     fn deserialize_u128<V: de::Visitor<'de>>(self, visitor: V) -> Result<V::Value> {
[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/de.rs:86:51
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn deserialize_f32<V: de::Visitor<'de>>(self, visitor: V) -> Result<V::Value> {
[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/de.rs:90:51
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn deserialize_f64<V: de::Visitor<'de>>(self, visitor: V) -> Result<V::Value> {
[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/de.rs:98:51
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn deserialize_str<V: de::Visitor<'de>>(self, visitor: V) -> Result<V::Value> {
[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/de.rs:106:53
[INFO] [stdout]     |
[INFO] [stdout] 106 |     fn deserialize_bytes<V: de::Visitor<'de>>(self, visitor: V) -> Result<V::Value> {
[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/de.rs:114:54
[INFO] [stdout]     |
[INFO] [stdout] 114 |     fn deserialize_option<V: de::Visitor<'de>>(self, visitor: V) -> Result<V::Value> {
[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/de.rs:118:52
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fn deserialize_unit<V: de::Visitor<'de>>(self, visitor: V) -> Result<V::Value> {
[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/de.rs:138:51
[INFO] [stdout]     |
[INFO] [stdout] 138 |     fn deserialize_seq<V: de::Visitor<'de>>(self, visitor: V) -> Result<V::Value> {
[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/de.rs:142:66
[INFO] [stdout]     |
[INFO] [stdout] 142 |     fn deserialize_tuple<V: de::Visitor<'de>>(self, _len: usize, visitor: V) -> Result<V::Value> {
[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/de.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 150 |         visitor: V,
[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/de.rs:155:51
[INFO] [stdout]     |
[INFO] [stdout] 155 |     fn deserialize_map<V: de::Visitor<'de>>(self, visitor: V) -> Result<V::Value> {
[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/de.rs:163:9
[INFO] [stdout]     |
[INFO] [stdout] 163 |         visitor: V,
[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/de.rs:170:9
[INFO] [stdout]     |
[INFO] [stdout] 170 |         name: &'static str,
[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/de.rs:171:9
[INFO] [stdout]     |
[INFO] [stdout] 171 |         variants: &'static [&'static str],
[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/de.rs:172:9
[INFO] [stdout]     |
[INFO] [stdout] 172 |         visitor: V,
[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/de.rs:177:58
[INFO] [stdout]     |
[INFO] [stdout] 177 |     fn deserialize_identifier<V: de::Visitor<'de>>(self, visitor: V) -> Result<V::Value> {
[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/de.rs:181:59
[INFO] [stdout]     |
[INFO] [stdout] 181 |     fn deserialize_ignored_any<V: de::Visitor<'de>>(self, visitor: V) -> Result<V::Value> {
[INFO] [stdout]     |                                                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/ser.rs:165:29
[INFO] [stdout]     |
[INFO] [stdout] 165 |     fn serialize_u128(self, v: u128) -> Result<()> {
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/ser.rs:183:9
[INFO] [stdout]     |
[INFO] [stdout] 183 |         name: &'static str,
[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/ser.rs:184:9
[INFO] [stdout]     |
[INFO] [stdout] 184 |         variant_index: u32,
[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/ser.rs:185:9
[INFO] [stdout]     |
[INFO] [stdout] 185 |         variant: &'static str,
[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/ser.rs:186:9
[INFO] [stdout]     |
[INFO] [stdout] 186 |         value: &T,
[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/ser.rs:203:52
[INFO] [stdout]     |
[INFO] [stdout] 203 |     fn serialize_some<T: ?Sized + Serialize>(self, value: &T) -> Result<()> {
[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/ser.rs:207:31
[INFO] [stdout]     |
[INFO] [stdout] 207 |     fn serialize_struct(self, name: &'static str, len: usize) -> Result<Self> {
[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/ser.rs:207:51
[INFO] [stdout]     |
[INFO] [stdout] 207 |     fn serialize_struct(self, name: &'static str, len: usize) -> Result<Self> {
[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/ser.rs:214:9
[INFO] [stdout]     |
[INFO] [stdout] 214 |         name: &'static str,
[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/ser.rs:215:9
[INFO] [stdout]     |
[INFO] [stdout] 215 |         variant_index: u32,
[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/ser.rs:216:9
[INFO] [stdout]     |
[INFO] [stdout] 216 |         variant: &'static str,
[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/ser.rs:217:9
[INFO] [stdout]     |
[INFO] [stdout] 217 |         len: usize,
[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/ser.rs:222:30
[INFO] [stdout]     |
[INFO] [stdout] 222 |     fn serialize_tuple(self, len: usize) -> Result<Self> {
[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/ser.rs:226:37
[INFO] [stdout]     |
[INFO] [stdout] 226 |     fn serialize_tuple_struct(self, name: &'static str, len: usize) -> Result<Self> {
[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/ser.rs:226:57
[INFO] [stdout]     |
[INFO] [stdout] 226 |     fn serialize_tuple_struct(self, name: &'static str, len: usize) -> Result<Self> {
[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/ser.rs:232:9
[INFO] [stdout]     |
[INFO] [stdout] 232 |         name: &'static str,
[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/ser.rs:233:9
[INFO] [stdout]     |
[INFO] [stdout] 233 |         variant_index: u32,
[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/ser.rs:234:9
[INFO] [stdout]     |
[INFO] [stdout] 234 |         variant: &'static str,
[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/ser.rs:235:9
[INFO] [stdout]     |
[INFO] [stdout] 235 |         len: usize,
[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/ser.rs:244:36
[INFO] [stdout]     |
[INFO] [stdout] 244 |     fn serialize_unit_struct(self, name: &'static str) -> Result<()> {
[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/ser.rs:250:9
[INFO] [stdout]     |
[INFO] [stdout] 250 |         name: &'static str,
[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/ser.rs:251:9
[INFO] [stdout]     |
[INFO] [stdout] 251 |         variant_index: u32,
[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/ser.rs:252:9
[INFO] [stdout]     |
[INFO] [stdout] 252 |         variant: &'static str,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/ser.rs:262:56
[INFO] [stdout]     |
[INFO] [stdout] 262 |     fn serialize_key<T: ?Sized + Serialize>(&mut self, key: &T) -> Result<()> {
[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/ser.rs:266:58
[INFO] [stdout]     |
[INFO] [stdout] 266 |     fn serialize_value<T: ?Sized + Serialize>(&mut self, value: &T) -> Result<()> {
[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/ser.rs:313:9
[INFO] [stdout]     |
[INFO] [stdout] 313 |         key: &'static str,
[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/ser.rs:314:9
[INFO] [stdout]     |
[INFO] [stdout] 314 |         value: &T,
[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/ser.rs:328:60
[INFO] [stdout]     |
[INFO] [stdout] 328 |     fn serialize_element<T: ?Sized + Serialize>(&mut self, value: &T) -> Result<()> {
[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/ser.rs:341:58
[INFO] [stdout]     |
[INFO] [stdout] 341 |     fn serialize_field<T: ?Sized + Serialize>(&mut self, value: &T) -> Result<()> {
[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/ser.rs:354:58
[INFO] [stdout]     |
[INFO] [stdout] 354 |     fn serialize_field<T: ?Sized + Serialize>(&mut self, value: &T) -> Result<()> {
[INFO] [stdout]     |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `input` and `endianness` are never read
[INFO] [stdout]   --> src/de.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Deserializer<R: Read> {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 17 |     input: R,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 18 |     endianness: bool,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]   --> src/de.rs:38:51
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn deserialize_any<V: de::Visitor<'de>>(self, visitor: V) -> Result<V::Value> {
[INFO] [stdout]    |                                                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]   --> src/de.rs:42:52
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn deserialize_bool<V: de::Visitor<'de>>(self, visitor: V) -> Result<V::Value> {
[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/de.rs:46:50
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn deserialize_i8<V: de::Visitor<'de>>(self, visitor: V) -> Result<V::Value> {
[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/de.rs:50:51
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn deserialize_i16<V: de::Visitor<'de>>(self, visitor: V) -> Result<V::Value> {
[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/de.rs:54:51
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn deserialize_i32<V: de::Visitor<'de>>(self, visitor: V) -> Result<V::Value> {
[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/de.rs:58:51
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn deserialize_i64<V: de::Visitor<'de>>(self, visitor: V) -> Result<V::Value> {
[INFO] [stdout]    |                                                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 59 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]   --> src/de.rs:62:52
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn deserialize_i128<V: de::Visitor<'de>>(self, visitor: V) -> Result<V::Value> {
[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/de.rs:66:50
[INFO] [stdout]    |
[INFO] [stdout] 66 |     fn deserialize_u8<V: de::Visitor<'de>>(self, visitor: V) -> Result<V::Value> {
[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/de.rs:70:51
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn deserialize_u16<V: de::Visitor<'de>>(self, visitor: V) -> Result<V::Value> {
[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/de.rs:74:51
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn deserialize_u32<V: de::Visitor<'de>>(self, visitor: V) -> Result<V::Value> {
[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/de.rs:78:51
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn deserialize_u64<V: de::Visitor<'de>>(self, visitor: V) -> Result<V::Value> {
[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/de.rs:82:52
[INFO] [stdout]    |
[INFO] [stdout] 82 |     fn deserialize_u128<V: de::Visitor<'de>>(self, visitor: V) -> Result<V::Value> {
[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/de.rs:86:51
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn deserialize_f32<V: de::Visitor<'de>>(self, visitor: V) -> Result<V::Value> {
[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/de.rs:90:51
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn deserialize_f64<V: de::Visitor<'de>>(self, visitor: V) -> Result<V::Value> {
[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/de.rs:98:51
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn deserialize_str<V: de::Visitor<'de>>(self, visitor: V) -> Result<V::Value> {
[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/de.rs:106:53
[INFO] [stdout]     |
[INFO] [stdout] 106 |     fn deserialize_bytes<V: de::Visitor<'de>>(self, visitor: V) -> Result<V::Value> {
[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/de.rs:114:54
[INFO] [stdout]     |
[INFO] [stdout] 114 |     fn deserialize_option<V: de::Visitor<'de>>(self, visitor: V) -> Result<V::Value> {
[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/de.rs:118:52
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fn deserialize_unit<V: de::Visitor<'de>>(self, visitor: V) -> Result<V::Value> {
[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/de.rs:138:51
[INFO] [stdout]     |
[INFO] [stdout] 138 |     fn deserialize_seq<V: de::Visitor<'de>>(self, visitor: V) -> Result<V::Value> {
[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/de.rs:142:66
[INFO] [stdout]     |
[INFO] [stdout] 142 |     fn deserialize_tuple<V: de::Visitor<'de>>(self, _len: usize, visitor: V) -> Result<V::Value> {
[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/de.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 150 |         visitor: V,
[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/de.rs:155:51
[INFO] [stdout]     |
[INFO] [stdout] 155 |     fn deserialize_map<V: de::Visitor<'de>>(self, visitor: V) -> Result<V::Value> {
[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/de.rs:163:9
[INFO] [stdout]     |
[INFO] [stdout] 163 |         visitor: V,
[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/de.rs:170:9
[INFO] [stdout]     |
[INFO] [stdout] 170 |         name: &'static str,
[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/de.rs:171:9
[INFO] [stdout]     |
[INFO] [stdout] 171 |         variants: &'static [&'static str],
[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/de.rs:172:9
[INFO] [stdout]     |
[INFO] [stdout] 172 |         visitor: V,
[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/de.rs:177:58
[INFO] [stdout]     |
[INFO] [stdout] 177 |     fn deserialize_identifier<V: de::Visitor<'de>>(self, visitor: V) -> Result<V::Value> {
[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/de.rs:181:59
[INFO] [stdout]     |
[INFO] [stdout] 181 |     fn deserialize_ignored_any<V: de::Visitor<'de>>(self, visitor: V) -> Result<V::Value> {
[INFO] [stdout]     |                                                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/ser.rs:165:29
[INFO] [stdout]     |
[INFO] [stdout] 165 |     fn serialize_u128(self, v: u128) -> Result<()> {
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/ser.rs:183:9
[INFO] [stdout]     |
[INFO] [stdout] 183 |         name: &'static str,
[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/ser.rs:184:9
[INFO] [stdout]     |
[INFO] [stdout] 184 |         variant_index: u32,
[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/ser.rs:185:9
[INFO] [stdout]     |
[INFO] [stdout] 185 |         variant: &'static str,
[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/ser.rs:186:9
[INFO] [stdout]     |
[INFO] [stdout] 186 |         value: &T,
[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/ser.rs:203:52
[INFO] [stdout]     |
[INFO] [stdout] 203 |     fn serialize_some<T: ?Sized + Serialize>(self, value: &T) -> Result<()> {
[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/ser.rs:207:31
[INFO] [stdout]     |
[INFO] [stdout] 207 |     fn serialize_struct(self, name: &'static str, len: usize) -> Result<Self> {
[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/ser.rs:207:51
[INFO] [stdout]     |
[INFO] [stdout] 207 |     fn serialize_struct(self, name: &'static str, len: usize) -> Result<Self> {
[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/ser.rs:214:9
[INFO] [stdout]     |
[INFO] [stdout] 214 |         name: &'static str,
[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/ser.rs:215:9
[INFO] [stdout]     |
[INFO] [stdout] 215 |         variant_index: u32,
[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/ser.rs:216:9
[INFO] [stdout]     |
[INFO] [stdout] 216 |         variant: &'static str,
[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/ser.rs:217:9
[INFO] [stdout]     |
[INFO] [stdout] 217 |         len: usize,
[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/ser.rs:222:30
[INFO] [stdout]     |
[INFO] [stdout] 222 |     fn serialize_tuple(self, len: usize) -> Result<Self> {
[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/ser.rs:226:37
[INFO] [stdout]     |
[INFO] [stdout] 226 |     fn serialize_tuple_struct(self, name: &'static str, len: usize) -> Result<Self> {
[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/ser.rs:226:57
[INFO] [stdout]     |
[INFO] [stdout] 226 |     fn serialize_tuple_struct(self, name: &'static str, len: usize) -> Result<Self> {
[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/ser.rs:232:9
[INFO] [stdout]     |
[INFO] [stdout] 232 |         name: &'static str,
[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/ser.rs:233:9
[INFO] [stdout]     |
[INFO] [stdout] 233 |         variant_index: u32,
[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/ser.rs:234:9
[INFO] [stdout]     |
[INFO] [stdout] 234 |         variant: &'static str,
[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/ser.rs:235:9
[INFO] [stdout]     |
[INFO] [stdout] 235 |         len: usize,
[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/ser.rs:244:36
[INFO] [stdout]     |
[INFO] [stdout] 244 |     fn serialize_unit_struct(self, name: &'static str) -> Result<()> {
[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/ser.rs:250:9
[INFO] [stdout]     |
[INFO] [stdout] 250 |         name: &'static str,
[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/ser.rs:251:9
[INFO] [stdout]     |
[INFO] [stdout] 251 |         variant_index: u32,
[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/ser.rs:252:9
[INFO] [stdout]     |
[INFO] [stdout] 252 |         variant: &'static str,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/ser.rs:262:56
[INFO] [stdout]     |
[INFO] [stdout] 262 |     fn serialize_key<T: ?Sized + Serialize>(&mut self, key: &T) -> Result<()> {
[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/ser.rs:266:58
[INFO] [stdout]     |
[INFO] [stdout] 266 |     fn serialize_value<T: ?Sized + Serialize>(&mut self, value: &T) -> Result<()> {
[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/ser.rs:313:9
[INFO] [stdout]     |
[INFO] [stdout] 313 |         key: &'static str,
[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/ser.rs:314:9
[INFO] [stdout]     |
[INFO] [stdout] 314 |         value: &T,
[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/ser.rs:328:60
[INFO] [stdout]     |
[INFO] [stdout] 328 |     fn serialize_element<T: ?Sized + Serialize>(&mut self, value: &T) -> Result<()> {
[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/ser.rs:341:58
[INFO] [stdout]     |
[INFO] [stdout] 341 |     fn serialize_field<T: ?Sized + Serialize>(&mut self, value: &T) -> Result<()> {
[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/ser.rs:354:58
[INFO] [stdout]     |
[INFO] [stdout] 354 |     fn serialize_field<T: ?Sized + Serialize>(&mut self, value: &T) -> Result<()> {
[INFO] [stdout]     |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `input` and `endianness` are never read
[INFO] [stdout]   --> src/de.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Deserializer<R: Read> {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 17 |     input: R,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 18 |     endianness: bool,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 59 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.08s
[INFO] running `Command { std: "docker" "inspect" "b5b949ac237c2cababaed2ec15b2470639d3a0ba43a72314f45a22b65480dbf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5b949ac237c2cababaed2ec15b2470639d3a0ba43a72314f45a22b65480dbf4", kill_on_drop: false }`
[INFO] [stdout] b5b949ac237c2cababaed2ec15b2470639d3a0ba43a72314f45a22b65480dbf4