[INFO] fetching crate serde_hzdata 0.1.1...
[INFO] checking serde_hzdata-0.1.1 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate serde_hzdata 0.1.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate serde_hzdata 0.1.1 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_hzdata 0.1.1
[INFO] finished tweaking crates.io crate serde_hzdata 0.1.1
[INFO] tweaked toml for crates.io crate serde_hzdata 0.1.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 19 packages to latest compatible versions
[INFO] [stderr]       Adding yansi v0.5.1 (latest: v1.0.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4da1ef16c0ec7a06f47ee3f6348ee8f3331df301990bfe13d8534bac55087389
[INFO] running `Command { std: "docker" "start" "-a" "4da1ef16c0ec7a06f47ee3f6348ee8f3331df301990bfe13d8534bac55087389", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4da1ef16c0ec7a06f47ee3f6348ee8f3331df301990bfe13d8534bac55087389", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4da1ef16c0ec7a06f47ee3f6348ee8f3331df301990bfe13d8534bac55087389", kill_on_drop: false }`
[INFO] [stdout] 4da1ef16c0ec7a06f47ee3f6348ee8f3331df301990bfe13d8534bac55087389
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 304a354e7ac2152666f05c92c63c8c179dcd5f9a30ee709148539805a0267d2a
[INFO] running `Command { std: "docker" "start" "-a" "304a354e7ac2152666f05c92c63c8c179dcd5f9a30ee709148539805a0267d2a", kill_on_drop: false }`
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking serde v1.0.209
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking pretty_assertions v1.4.0
[INFO] [stderr]     Checking serde_hzdata v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/de/deserialize.rs:111:34
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fn deserialize_char<V>(self, visitor: V) -> Result<V::Value, Self::Error>
[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/deserialize.rs:132:35
[INFO] [stdout]     |
[INFO] [stdout] 132 |     fn deserialize_bytes<V>(self, visitor: V) -> Result<V::Value, Self::Error>
[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/deserialize.rs:139:38
[INFO] [stdout]     |
[INFO] [stdout] 139 |     fn deserialize_byte_buf<V>(self, visitor: V) -> Result<V::Value, Self::Error>
[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/deserialize.rs:153:34
[INFO] [stdout]     |
[INFO] [stdout] 153 |     fn deserialize_unit<V>(self, visitor: V) -> Result<V::Value, Self::Error>
[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/deserialize.rs:162:9
[INFO] [stdout]     |
[INFO] [stdout] 162 |         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: `visitor`
[INFO] [stdout]    --> src/de/deserialize.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/deserialize.rs:173:9
[INFO] [stdout]     |
[INFO] [stdout] 173 |         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: `visitor`
[INFO] [stdout]    --> src/de/deserialize.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |         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/deserialize.rs:231:9
[INFO] [stdout]     |
[INFO] [stdout] 231 |         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/deserialize.rs:232:9
[INFO] [stdout]     |
[INFO] [stdout] 232 |         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/deserialize.rs:233:9
[INFO] [stdout]     |
[INFO] [stdout] 233 |         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/deserialize.rs:250:41
[INFO] [stdout]     |
[INFO] [stdout] 250 |     fn deserialize_ignored_any<V>(self, visitor: V) -> Result<V::Value, Self::Error>
[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/deserialize.rs:111:34
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fn deserialize_char<V>(self, visitor: V) -> Result<V::Value, Self::Error>
[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/deserialize.rs:132:35
[INFO] [stdout]     |
[INFO] [stdout] 132 |     fn deserialize_bytes<V>(self, visitor: V) -> Result<V::Value, Self::Error>
[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/deserialize.rs:139:38
[INFO] [stdout]     |
[INFO] [stdout] 139 |     fn deserialize_byte_buf<V>(self, visitor: V) -> Result<V::Value, Self::Error>
[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/deserialize.rs:153:34
[INFO] [stdout]     |
[INFO] [stdout] 153 |     fn deserialize_unit<V>(self, visitor: V) -> Result<V::Value, Self::Error>
[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/deserialize.rs:162:9
[INFO] [stdout]     |
[INFO] [stdout] 162 |         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: `visitor`
[INFO] [stdout]    --> src/de/deserialize.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/deserialize.rs:173:9
[INFO] [stdout]     |
[INFO] [stdout] 173 |         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: `visitor`
[INFO] [stdout]    --> src/de/deserialize.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |         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/deserialize.rs:231:9
[INFO] [stdout]     |
[INFO] [stdout] 231 |         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/deserialize.rs:232:9
[INFO] [stdout]     |
[INFO] [stdout] 232 |         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/deserialize.rs:233:9
[INFO] [stdout]     |
[INFO] [stdout] 233 |         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/deserialize.rs:250:41
[INFO] [stdout]     |
[INFO] [stdout] 250 |     fn deserialize_ignored_any<V>(self, visitor: V) -> Result<V::Value, Self::Error>
[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/value.rs:181:34
[INFO] [stdout]     |
[INFO] [stdout] 181 |     fn deserialize_char<V>(self, visitor: V) -> Result<V::Value, Self::Error>
[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/value.rs:188:35
[INFO] [stdout]     |
[INFO] [stdout] 188 |     fn deserialize_bytes<V>(self, visitor: V) -> Result<V::Value, Self::Error>
[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/value.rs:195:38
[INFO] [stdout]     |
[INFO] [stdout] 195 |     fn deserialize_byte_buf<V>(self, visitor: V) -> Result<V::Value, Self::Error>
[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/value.rs:213:34
[INFO] [stdout]     |
[INFO] [stdout] 213 |     fn deserialize_unit<V>(self, visitor: V) -> Result<V::Value, Self::Error>
[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/value.rs:222:9
[INFO] [stdout]     |
[INFO] [stdout] 222 |         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: `visitor`
[INFO] [stdout]    --> src/de/value.rs:223:9
[INFO] [stdout]     |
[INFO] [stdout] 223 |         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/value.rs:233:9
[INFO] [stdout]     |
[INFO] [stdout] 233 |         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: `visitor`
[INFO] [stdout]    --> src/de/value.rs:234:9
[INFO] [stdout]     |
[INFO] [stdout] 234 |         visitor: V,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/de/value.rs:249:35
[INFO] [stdout]     |
[INFO] [stdout] 249 |     fn deserialize_tuple<V>(self, len: usize, visitor: V) -> Result<V::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/de/value.rs:249:47
[INFO] [stdout]     |
[INFO] [stdout] 249 |     fn deserialize_tuple<V>(self, len: usize, visitor: V) -> Result<V::Value, Self::Error>
[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/value.rs:258:9
[INFO] [stdout]     |
[INFO] [stdout] 258 |         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: `len`
[INFO] [stdout]    --> src/de/value.rs:259:9
[INFO] [stdout]     |
[INFO] [stdout] 259 |         len: usize,
[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/de/value.rs:260:9
[INFO] [stdout]     |
[INFO] [stdout] 260 |         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/value.rs:289:9
[INFO] [stdout]     |
[INFO] [stdout] 289 |         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/value.rs:290:9
[INFO] [stdout]     |
[INFO] [stdout] 290 |         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/value.rs:291:9
[INFO] [stdout]     |
[INFO] [stdout] 291 |         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/value.rs:299:40
[INFO] [stdout]     |
[INFO] [stdout] 299 |     fn deserialize_identifier<V>(self, visitor: V) -> Result<V::Value, Self::Error>
[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/value.rs:306:41
[INFO] [stdout]     |
[INFO] [stdout] 306 |     fn deserialize_ignored_any<V>(self, visitor: V) -> Result<V::Value, Self::Error>
[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/serialize.rs:113:30
[INFO] [stdout]     |
[INFO] [stdout] 113 |     fn serialize_bytes(self, v: &[u8]) -> Result<Self::Ok, Self::Error> {
[INFO] [stdout]     |                              ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]    --> src/de/value.rs:181:34
[INFO] [stdout]     |
[INFO] [stdout] 181 |     fn deserialize_char<V>(self, visitor: V) -> Result<V::Value, Self::Error>
[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/value.rs:188:35
[INFO] [stdout]     |
[INFO] [stdout] 188 |     fn deserialize_bytes<V>(self, visitor: V) -> Result<V::Value, Self::Error>
[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/value.rs:195:38
[INFO] [stdout]     |
[INFO] [stdout] 195 |     fn deserialize_byte_buf<V>(self, visitor: V) -> Result<V::Value, Self::Error>
[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/value.rs:213:34
[INFO] [stdout]     |
[INFO] [stdout] 213 |     fn deserialize_unit<V>(self, visitor: V) -> Result<V::Value, Self::Error>
[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/value.rs:222:9
[INFO] [stdout]     |
[INFO] [stdout] 222 |         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: `visitor`
[INFO] [stdout]    --> src/de/value.rs:223:9
[INFO] [stdout]     |
[INFO] [stdout] 223 |         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/value.rs:233:9
[INFO] [stdout]     |
[INFO] [stdout] 233 |         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: `visitor`
[INFO] [stdout]    --> src/de/value.rs:234:9
[INFO] [stdout]     |
[INFO] [stdout] 234 |         visitor: V,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/de/value.rs:249:35
[INFO] [stdout]     |
[INFO] [stdout] 249 |     fn deserialize_tuple<V>(self, len: usize, visitor: V) -> Result<V::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/de/value.rs:249:47
[INFO] [stdout]     |
[INFO] [stdout] 249 |     fn deserialize_tuple<V>(self, len: usize, visitor: V) -> Result<V::Value, Self::Error>
[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/value.rs:258:9
[INFO] [stdout]     |
[INFO] [stdout] 258 |         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: `len`
[INFO] [stdout]    --> src/de/value.rs:259:9
[INFO] [stdout]     |
[INFO] [stdout] 259 |         len: usize,
[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/de/value.rs:260:9
[INFO] [stdout]     |
[INFO] [stdout] 260 |         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/value.rs:289:9
[INFO] [stdout]     |
[INFO] [stdout] 289 |         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/value.rs:290:9
[INFO] [stdout]     |
[INFO] [stdout] 290 |         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/value.rs:291:9
[INFO] [stdout]     |
[INFO] [stdout] 291 |         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/value.rs:299:40
[INFO] [stdout]     |
[INFO] [stdout] 299 |     fn deserialize_identifier<V>(self, visitor: V) -> Result<V::Value, Self::Error>
[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/value.rs:306:41
[INFO] [stdout]     |
[INFO] [stdout] 306 |     fn deserialize_ignored_any<V>(self, visitor: V) -> Result<V::Value, Self::Error>
[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/value.rs:122:29
[INFO] [stdout]     |
[INFO] [stdout] 122 |     fn serialize_char(self, v: char) -> Result<Self::Ok, Self::Error> {
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/ser/value.rs:130:30
[INFO] [stdout]     |
[INFO] [stdout] 130 |     fn serialize_bytes(self, v: &[u8]) -> Result<Self::Ok, Self::Error> {
[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/value.rs:149:36
[INFO] [stdout]     |
[INFO] [stdout] 149 |     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/ser/value.rs:155:9
[INFO] [stdout]     |
[INFO] [stdout] 155 |         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/value.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |         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/value.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 157 |         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: `name`
[INFO] [stdout]    --> src/ser/value.rs:164:9
[INFO] [stdout]     |
[INFO] [stdout] 164 |         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: `value`
[INFO] [stdout]    --> src/ser/value.rs:165:9
[INFO] [stdout]     |
[INFO] [stdout] 165 |         value: &T,
[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/value.rs:175:9
[INFO] [stdout]     |
[INFO] [stdout] 175 |         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/value.rs:176:9
[INFO] [stdout]     |
[INFO] [stdout] 176 |         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/value.rs:177:9
[INFO] [stdout]     |
[INFO] [stdout] 177 |         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/value.rs:178:9
[INFO] [stdout]     |
[INFO] [stdout] 178 |         value: &T,
[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/ser/value.rs:186:28
[INFO] [stdout]     |
[INFO] [stdout] 186 |     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: `v`
[INFO] [stdout]    --> src/ser/serialize.rs:113:30
[INFO] [stdout]     |
[INFO] [stdout] 113 |     fn serialize_bytes(self, v: &[u8]) -> Result<Self::Ok, Self::Error> {
[INFO] [stdout]     |                              ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/ser/value.rs:122:29
[INFO] [stdout]     |
[INFO] [stdout] 122 |     fn serialize_char(self, v: char) -> Result<Self::Ok, Self::Error> {
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pretty` is never read
[INFO] [stdout]   --> src/ser/serialize.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub(crate) struct HzdataSerialize<W: Write> {
[INFO] [stdout]    |                   --------------- field in this struct
[INFO] [stdout] 10 |     pub(crate) writer: W,
[INFO] [stdout] 11 |     pub(crate) pretty: bool,
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `len` is never read
[INFO] [stdout]   --> src/ser/serialize_map.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub(crate) struct HzdataSerializeMap<'a, W: Write> {
[INFO] [stdout]    |                   ------------------ field in this struct
[INFO] [stdout] 14 |     ser: &'a mut HzdataSerialize<W>,
[INFO] [stdout] 15 |     len: Option<usize>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `len` is never read
[INFO] [stdout]   --> src/ser/serialize_seq.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct HzdataSerializeSeq<'a, W: Write> {
[INFO] [stdout]    |            ------------------ field in this struct
[INFO] [stdout] 14 |     ser: &'a mut HzdataSerialize<W>,
[INFO] [stdout] 15 |     len: Option<usize>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/ser/value.rs:130:30
[INFO] [stdout]     |
[INFO] [stdout] 130 |     fn serialize_bytes(self, v: &[u8]) -> Result<Self::Ok, Self::Error> {
[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/value.rs:149:36
[INFO] [stdout]     |
[INFO] [stdout] 149 |     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/ser/value.rs:155:9
[INFO] [stdout]     |
[INFO] [stdout] 155 |         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/value.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |         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/value.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 157 |         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: `name`
[INFO] [stdout]    --> src/ser/value.rs:164:9
[INFO] [stdout]     |
[INFO] [stdout] 164 |         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: `value`
[INFO] [stdout]    --> src/ser/value.rs:165:9
[INFO] [stdout]     |
[INFO] [stdout] 165 |         value: &T,
[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/value.rs:175:9
[INFO] [stdout]     |
[INFO] [stdout] 175 |         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/value.rs:176:9
[INFO] [stdout]     |
[INFO] [stdout] 176 |         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/value.rs:177:9
[INFO] [stdout]     |
[INFO] [stdout] 177 |         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/value.rs:178:9
[INFO] [stdout]     |
[INFO] [stdout] 178 |         value: &T,
[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/ser/value.rs:186:28
[INFO] [stdout]     |
[INFO] [stdout] 186 |     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: field `pretty` is never read
[INFO] [stdout]   --> src/ser/serialize.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub(crate) struct HzdataSerialize<W: Write> {
[INFO] [stdout]    |                   --------------- field in this struct
[INFO] [stdout] 10 |     pub(crate) writer: W,
[INFO] [stdout] 11 |     pub(crate) pretty: bool,
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `len` is never read
[INFO] [stdout]   --> src/ser/serialize_map.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub(crate) struct HzdataSerializeMap<'a, W: Write> {
[INFO] [stdout]    |                   ------------------ field in this struct
[INFO] [stdout] 14 |     ser: &'a mut HzdataSerialize<W>,
[INFO] [stdout] 15 |     len: Option<usize>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `len` is never read
[INFO] [stdout]   --> src/ser/serialize_seq.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct HzdataSerializeSeq<'a, W: Write> {
[INFO] [stdout]    |            ------------------ field in this struct
[INFO] [stdout] 14 |     ser: &'a mut HzdataSerialize<W>,
[INFO] [stdout] 15 |     len: Option<usize>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 47 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 47 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.07s
[INFO] running `Command { std: "docker" "inspect" "304a354e7ac2152666f05c92c63c8c179dcd5f9a30ee709148539805a0267d2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "304a354e7ac2152666f05c92c63c8c179dcd5f9a30ee709148539805a0267d2a", kill_on_drop: false }`
[INFO] [stdout] 304a354e7ac2152666f05c92c63c8c179dcd5f9a30ee709148539805a0267d2a