[INFO] fetching crate bitserde 0.1.1...
[INFO] checking bitserde-0.1.1 against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] extracting crate bitserde 0.1.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate bitserde 0.1.1 on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bitserde 0.1.1
[INFO] finished tweaking crates.io crate bitserde 0.1.1
[INFO] tweaked toml for crates.io crate bitserde 0.1.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33822cd025944322546b6b14163d3ee0b75f2f6f4450f5dc9b29e80d962e5f18
[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" "33822cd025944322546b6b14163d3ee0b75f2f6f4450f5dc9b29e80d962e5f18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33822cd025944322546b6b14163d3ee0b75f2f6f4450f5dc9b29e80d962e5f18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33822cd025944322546b6b14163d3ee0b75f2f6f4450f5dc9b29e80d962e5f18", kill_on_drop: false }`
[INFO] [stdout] 33822cd025944322546b6b14163d3ee0b75f2f6f4450f5dc9b29e80d962e5f18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d65b3d8869993b8a858a7ac5484d805f7eba261c7de1a51df2add9c008d33ebd
[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" "d65b3d8869993b8a858a7ac5484d805f7eba261c7de1a51df2add9c008d33ebd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling radium v0.4.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking funty v1.0.1
[INFO] [stderr]    Compiling paste v1.0.1
[INFO] [stderr]     Checking bitvec v0.18.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking bitserde v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]   --> src/de/mod.rs:68:33
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn deserialize_any<V>(self, visitor: V) -> Result<<V as Visitor<'de>>::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/mod.rs:91:34
[INFO] [stdout]    |
[INFO] [stdout] 91 |     fn deserialize_char<V>(self, visitor: V) -> Result<<V as Visitor<'de>>::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/mod.rs:98:33
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn deserialize_str<V>(self, visitor: V) -> Result<<V as Visitor<'de>>::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/mod.rs:105:36
[INFO] [stdout]     |
[INFO] [stdout] 105 |     fn deserialize_string<V>(self, visitor: V) -> Result<<V as Visitor<'de>>::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/mod.rs:132:36
[INFO] [stdout]     |
[INFO] [stdout] 132 |     fn deserialize_option<V>(self, visitor: V) -> Result<<V as Visitor<'de>>::Value>
[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/mod.rs:148:9
[INFO] [stdout]     |
[INFO] [stdout] 148 |         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: `name`
[INFO] [stdout]    --> src/de/mod.rs:159:9
[INFO] [stdout]     |
[INFO] [stdout] 159 |         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: `name`
[INFO] [stdout]    --> src/de/mod.rs:226:9
[INFO] [stdout]     |
[INFO] [stdout] 226 |         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/mod.rs:236:33
[INFO] [stdout]     |
[INFO] [stdout] 236 |     fn deserialize_map<V>(self, visitor: V) -> Result<<V as Visitor<'de>>::Value>
[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/mod.rs:245:9
[INFO] [stdout]     |
[INFO] [stdout] 245 |         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: `name`
[INFO] [stdout]    --> src/de/mod.rs:257:9
[INFO] [stdout]     |
[INFO] [stdout] 257 |         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/mod.rs:258:9
[INFO] [stdout]     |
[INFO] [stdout] 258 |         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/mod.rs:320:40
[INFO] [stdout]     |
[INFO] [stdout] 320 |     fn deserialize_identifier<V>(self, visitor: V) -> Result<<V as Visitor<'de>>::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/mod.rs:327:41
[INFO] [stdout]     |
[INFO] [stdout] 327 |     fn deserialize_ignored_any<V>(self, visitor: V) -> Result<<V as Visitor<'de>>::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/mod.rs:76:29
[INFO] [stdout]    |
[INFO] [stdout] 76 |     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/mod.rs:80:28
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn serialize_str(self, v: &str) -> 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: `value`
[INFO] [stdout]   --> src/ser/mod.rs:94:40
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn serialize_some<T: ?Sized>(self, value: &T) -> Result<Self::Ok, Self::Error>
[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/mod.rs:105:36
[INFO] [stdout]     |
[INFO] [stdout] 105 |     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/mod.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |         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`
[INFO] [stdout]    --> src/ser/mod.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |         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/mod.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |         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: `name`
[INFO] [stdout]    --> src/ser/mod.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |         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`
[INFO] [stdout]    --> src/ser/mod.rs:134:9
[INFO] [stdout]     |
[INFO] [stdout] 134 |         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/mod.rs:151:30
[INFO] [stdout]     |
[INFO] [stdout] 151 |     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/ser/mod.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 157 |         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/ser/mod.rs:158:9
[INFO] [stdout]     |
[INFO] [stdout] 158 |         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/mod.rs:165:9
[INFO] [stdout]     |
[INFO] [stdout] 165 |         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`
[INFO] [stdout]    --> src/ser/mod.rs:167:9
[INFO] [stdout]     |
[INFO] [stdout] 167 |         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/mod.rs:168:9
[INFO] [stdout]     |
[INFO] [stdout] 168 |         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/mod.rs:174:28
[INFO] [stdout]     |
[INFO] [stdout] 174 |     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/ser/mod.rs:180:9
[INFO] [stdout]     |
[INFO] [stdout] 180 |         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/ser/mod.rs:181:9
[INFO] [stdout]     |
[INFO] [stdout] 181 |         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/mod.rs:188:9
[INFO] [stdout]     |
[INFO] [stdout] 188 |         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`
[INFO] [stdout]    --> src/ser/mod.rs:190:9
[INFO] [stdout]     |
[INFO] [stdout] 190 |         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/mod.rs:191:9
[INFO] [stdout]     |
[INFO] [stdout] 191 |         len: usize,
[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/ser/mod.rs:197:37
[INFO] [stdout]     |
[INFO] [stdout] 197 |     fn collect_str<T: ?Sized>(self, value: &T) -> Result<Self::Ok, Self::Error>
[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/mod.rs:215:9
[INFO] [stdout]     |
[INFO] [stdout] 215 |         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: `key`
[INFO] [stdout]    --> src/ser/mod.rs:239:9
[INFO] [stdout]     |
[INFO] [stdout] 239 |         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: `visitor`
[INFO] [stdout]   --> src/de/mod.rs:68:33
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn deserialize_any<V>(self, visitor: V) -> Result<<V as Visitor<'de>>::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/mod.rs:91:34
[INFO] [stdout]    |
[INFO] [stdout] 91 |     fn deserialize_char<V>(self, visitor: V) -> Result<<V as Visitor<'de>>::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/mod.rs:98:33
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn deserialize_str<V>(self, visitor: V) -> Result<<V as Visitor<'de>>::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/mod.rs:105:36
[INFO] [stdout]     |
[INFO] [stdout] 105 |     fn deserialize_string<V>(self, visitor: V) -> Result<<V as Visitor<'de>>::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/mod.rs:132:36
[INFO] [stdout]     |
[INFO] [stdout] 132 |     fn deserialize_option<V>(self, visitor: V) -> Result<<V as Visitor<'de>>::Value>
[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/mod.rs:148:9
[INFO] [stdout]     |
[INFO] [stdout] 148 |         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: `name`
[INFO] [stdout]    --> src/de/mod.rs:159:9
[INFO] [stdout]     |
[INFO] [stdout] 159 |         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: `name`
[INFO] [stdout]    --> src/de/mod.rs:226:9
[INFO] [stdout]     |
[INFO] [stdout] 226 |         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/mod.rs:236:33
[INFO] [stdout]     |
[INFO] [stdout] 236 |     fn deserialize_map<V>(self, visitor: V) -> Result<<V as Visitor<'de>>::Value>
[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/mod.rs:245:9
[INFO] [stdout]     |
[INFO] [stdout] 245 |         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: `name`
[INFO] [stdout]    --> src/de/mod.rs:257:9
[INFO] [stdout]     |
[INFO] [stdout] 257 |         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/mod.rs:258:9
[INFO] [stdout]     |
[INFO] [stdout] 258 |         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/mod.rs:320:40
[INFO] [stdout]     |
[INFO] [stdout] 320 |     fn deserialize_identifier<V>(self, visitor: V) -> Result<<V as Visitor<'de>>::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/mod.rs:327:41
[INFO] [stdout]     |
[INFO] [stdout] 327 |     fn deserialize_ignored_any<V>(self, visitor: V) -> Result<<V as Visitor<'de>>::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/mod.rs:76:29
[INFO] [stdout]    |
[INFO] [stdout] 76 |     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/mod.rs:80:28
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn serialize_str(self, v: &str) -> 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: `value`
[INFO] [stdout]   --> src/ser/mod.rs:94:40
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn serialize_some<T: ?Sized>(self, value: &T) -> Result<Self::Ok, Self::Error>
[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/mod.rs:105:36
[INFO] [stdout]     |
[INFO] [stdout] 105 |     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/mod.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |         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`
[INFO] [stdout]    --> src/ser/mod.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |         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/mod.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |         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: `name`
[INFO] [stdout]    --> src/ser/mod.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |         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`
[INFO] [stdout]    --> src/ser/mod.rs:134:9
[INFO] [stdout]     |
[INFO] [stdout] 134 |         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/mod.rs:151:30
[INFO] [stdout]     |
[INFO] [stdout] 151 |     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/ser/mod.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 157 |         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/ser/mod.rs:158:9
[INFO] [stdout]     |
[INFO] [stdout] 158 |         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/mod.rs:165:9
[INFO] [stdout]     |
[INFO] [stdout] 165 |         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`
[INFO] [stdout]    --> src/ser/mod.rs:167:9
[INFO] [stdout]     |
[INFO] [stdout] 167 |         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/mod.rs:168:9
[INFO] [stdout]     |
[INFO] [stdout] 168 |         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/mod.rs:174:28
[INFO] [stdout]     |
[INFO] [stdout] 174 |     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/ser/mod.rs:180:9
[INFO] [stdout]     |
[INFO] [stdout] 180 |         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/ser/mod.rs:181:9
[INFO] [stdout]     |
[INFO] [stdout] 181 |         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/mod.rs:188:9
[INFO] [stdout]     |
[INFO] [stdout] 188 |         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`
[INFO] [stdout]    --> src/ser/mod.rs:190:9
[INFO] [stdout]     |
[INFO] [stdout] 190 |         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/mod.rs:191:9
[INFO] [stdout]     |
[INFO] [stdout] 191 |         len: usize,
[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/ser/mod.rs:197:37
[INFO] [stdout]     |
[INFO] [stdout] 197 |     fn collect_str<T: ?Sized>(self, value: &T) -> Result<Self::Ok, Self::Error>
[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/mod.rs:215:9
[INFO] [stdout]     |
[INFO] [stdout] 215 |         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: `key`
[INFO] [stdout]    --> src/ser/mod.rs:239:9
[INFO] [stdout]     |
[INFO] [stdout] 239 |         key: &'static str,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 38 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 38 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.09s
[INFO] running `Command { std: "docker" "inspect" "d65b3d8869993b8a858a7ac5484d805f7eba261c7de1a51df2add9c008d33ebd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d65b3d8869993b8a858a7ac5484d805f7eba261c7de1a51df2add9c008d33ebd", kill_on_drop: false }`
[INFO] [stdout] d65b3d8869993b8a858a7ac5484d805f7eba261c7de1a51df2add9c008d33ebd