[INFO] cloning repository https://github.com/jonastar/yamsir
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jonastar/yamsir" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonastar%2Fyamsir", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonastar%2Fyamsir'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 95639f8633c8d0e8a8e4ede8eb482e2229a0332d
[INFO] checking jonastar/yamsir against try#79452e8441468c5568c20bfca2aa1fe75b645b2d for pr-152210
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonastar%2Fyamsir" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jonastar/yamsir
[INFO] finished tweaking git repo https://github.com/jonastar/yamsir
[INFO] tweaked toml for git repo https://github.com/jonastar/yamsir written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jonastar/yamsir on toolchain 79452e8441468c5568c20bfca2aa1fe75b645b2d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+79452e8441468c5568c20bfca2aa1fe75b645b2d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jonastar/yamsir 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" "+79452e8441468c5568c20bfca2aa1fe75b645b2d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap v4.5.50
[INFO] [stderr]   Downloaded clap_builder v4.5.50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+79452e8441468c5568c20bfca2aa1fe75b645b2d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9027c3883e27fd078cdb3831c773e31505acda11850d09f0174981d6f4915d54
[INFO] running `Command { std: "docker" "start" "-a" "9027c3883e27fd078cdb3831c773e31505acda11850d09f0174981d6f4915d54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9027c3883e27fd078cdb3831c773e31505acda11850d09f0174981d6f4915d54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9027c3883e27fd078cdb3831c773e31505acda11850d09f0174981d6f4915d54", kill_on_drop: false }`
[INFO] [stdout] 9027c3883e27fd078cdb3831c773e31505acda11850d09f0174981d6f4915d54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+79452e8441468c5568c20bfca2aa1fe75b645b2d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2fe58aa4f7317fbd0c65e3e50df49153a69ca3dd827fcc6753fa738e5c433998
[INFO] running `Command { std: "docker" "start" "-a" "2fe58aa4f7317fbd0c65e3e50df49153a69ca3dd827fcc6753fa738e5c433998", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.102
[INFO] [stderr]    Compiling unicode-ident v1.0.20
[INFO] [stderr]    Compiling serde_json v1.0.145
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[INFO] [stderr]     Checking clap v4.5.50
[INFO] [stderr]     Checking serde v1.0.228
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[INFO] [stderr]     Checking nbt v0.1.0 (/opt/rustwide/workdir/nbt)
[INFO] [stdout] error[E0277]: the trait bound `&mut NbtSerializer: serde::ser::SerializeSeq` is not satisfied
[INFO] [stdout]    --> nbt/src/lib.rs:319:25
[INFO] [stdout]     |
[INFO] [stdout] 319 |     type SerializeSeq = Self;
[INFO] [stdout]     |                         ^^^^ the trait `SerializeSeq` is not implemented for `&mut NbtSerializer`
[INFO] [stdout]     |
[INFO] [stdout] help: the trait `SerializeSeq` is implemented for `Impossible<Ok, Error>`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_core-1.0.228/src/ser/impossible.rs:68:1
[INFO] [stdout]     |
[INFO] [stdout]  68 | / impl<Ok, Error> SerializeSeq for Impossible<Ok, Error>
[INFO] [stdout]  69 | | where
[INFO] [stdout]  70 | |     Error: ser::Error,
[INFO] [stdout]     | |______________________^
[INFO] [stdout] note: required by a bound in `serde::Serializer::SerializeSeq`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_core-1.0.228/src/ser/mod.rs:373:24
[INFO] [stdout]     |
[INFO] [stdout] 373 |     type SerializeSeq: SerializeSeq<Ok = Self::Ok, Error = Self::Error>;
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Serializer::SerializeSeq`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `&mut NbtSerializer: serde::ser::SerializeSeq` is not satisfied
[INFO] [stdout]    --> nbt/src/lib.rs:319:25
[INFO] [stdout]     |
[INFO] [stdout] 319 |     type SerializeSeq = Self;
[INFO] [stdout]     |                         ^^^^ the trait `SerializeSeq` is not implemented for `&mut NbtSerializer`
[INFO] [stdout]     |
[INFO] [stdout] help: the trait `SerializeSeq` is implemented for `Impossible<Ok, Error>`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_core-1.0.228/src/ser/impossible.rs:68:1
[INFO] [stdout]     |
[INFO] [stdout]  68 | / impl<Ok, Error> SerializeSeq for Impossible<Ok, Error>
[INFO] [stdout]  69 | | where
[INFO] [stdout]  70 | |     Error: ser::Error,
[INFO] [stdout]     | |______________________^
[INFO] [stdout] note: required by a bound in `serde::Serializer::SerializeSeq`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_core-1.0.228/src/ser/mod.rs:373:24
[INFO] [stdout]     |
[INFO] [stdout] 373 |     type SerializeSeq: SerializeSeq<Ok = Self::Ok, Error = Self::Error>;
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Serializer::SerializeSeq`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `&mut NbtSerializer: serde::ser::SerializeTuple` is not satisfied
[INFO] [stdout]    --> nbt/src/lib.rs:320:27
[INFO] [stdout]     |
[INFO] [stdout] 320 |     type SerializeTuple = Self;
[INFO] [stdout]     |                           ^^^^ the trait `SerializeTuple` is not implemented for `&mut NbtSerializer`
[INFO] [stdout]     |
[INFO] [stdout] help: the trait `SerializeTuple` is implemented for `Impossible<Ok, Error>`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_core-1.0.228/src/ser/impossible.rs:88:1
[INFO] [stdout]     |
[INFO] [stdout]  88 | / impl<Ok, Error> SerializeTuple for Impossible<Ok, Error>
[INFO] [stdout]  89 | | where
[INFO] [stdout]  90 | |     Error: ser::Error,
[INFO] [stdout]     | |______________________^
[INFO] [stdout] note: required by a bound in `serde::Serializer::SerializeTuple`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_core-1.0.228/src/ser/mod.rs:379:26
[INFO] [stdout]     |
[INFO] [stdout] 379 |     type SerializeTuple: SerializeTuple<Ok = Self::Ok, Error = Self::Error>;
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Serializer::SerializeTuple`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `&mut NbtSerializer: serde::ser::SerializeTuple` is not satisfied
[INFO] [stdout]    --> nbt/src/lib.rs:320:27
[INFO] [stdout]     |
[INFO] [stdout] 320 |     type SerializeTuple = Self;
[INFO] [stdout]     |                           ^^^^ the trait `SerializeTuple` is not implemented for `&mut NbtSerializer`
[INFO] [stdout]     |
[INFO] [stdout] help: the trait `SerializeTuple` is implemented for `Impossible<Ok, Error>`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_core-1.0.228/src/ser/impossible.rs:88:1
[INFO] [stdout]     |
[INFO] [stdout]  88 | / impl<Ok, Error> SerializeTuple for Impossible<Ok, Error>
[INFO] [stdout]  89 | | where
[INFO] [stdout]  90 | |     Error: ser::Error,
[INFO] [stdout]     | |______________________^
[INFO] [stdout] note: required by a bound in `serde::Serializer::SerializeTuple`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_core-1.0.228/src/ser/mod.rs:379:26
[INFO] [stdout]     |
[INFO] [stdout] 379 |     type SerializeTuple: SerializeTuple<Ok = Self::Ok, Error = Self::Error>;
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Serializer::SerializeTuple`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `&mut NbtSerializer: serde::ser::SerializeTupleStruct` is not satisfied
[INFO] [stdout]    --> nbt/src/lib.rs:321:33
[INFO] [stdout]     |
[INFO] [stdout] 321 |     type SerializeTupleStruct = Self;
[INFO] [stdout]     |                                 ^^^^ the trait `SerializeTupleStruct` is not implemented for `&mut NbtSerializer`
[INFO] [stdout]     |
[INFO] [stdout] help: the trait `SerializeTupleStruct` is implemented for `Impossible<Ok, Error>`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_core-1.0.228/src/ser/impossible.rs:108:1
[INFO] [stdout]     |
[INFO] [stdout] 108 | / impl<Ok, Error> SerializeTupleStruct for Impossible<Ok, Error>
[INFO] [stdout] 109 | | where
[INFO] [stdout] 110 | |     Error: ser::Error,
[INFO] [stdout]     | |______________________^
[INFO] [stdout] note: required by a bound in `serde::Serializer::SerializeTupleStruct`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_core-1.0.228/src/ser/mod.rs:385:32
[INFO] [stdout]     |
[INFO] [stdout] 385 |     type SerializeTupleStruct: SerializeTupleStruct<Ok = Self::Ok, Error = Self::Error>;
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Serializer::SerializeTupleStruct`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `&mut NbtSerializer: serde::ser::SerializeTupleStruct` is not satisfied
[INFO] [stdout]    --> nbt/src/lib.rs:321:33
[INFO] [stdout]     |
[INFO] [stdout] 321 |     type SerializeTupleStruct = Self;
[INFO] [stdout]     |                                 ^^^^ the trait `SerializeTupleStruct` is not implemented for `&mut NbtSerializer`
[INFO] [stdout]     |
[INFO] [stdout] help: the trait `SerializeTupleStruct` is implemented for `Impossible<Ok, Error>`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_core-1.0.228/src/ser/impossible.rs:108:1
[INFO] [stdout]     |
[INFO] [stdout] 108 | / impl<Ok, Error> SerializeTupleStruct for Impossible<Ok, Error>
[INFO] [stdout] 109 | | where
[INFO] [stdout] 110 | |     Error: ser::Error,
[INFO] [stdout]     | |______________________^
[INFO] [stdout] note: required by a bound in `serde::Serializer::SerializeTupleStruct`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_core-1.0.228/src/ser/mod.rs:385:32
[INFO] [stdout]     |
[INFO] [stdout] 385 |     type SerializeTupleStruct: SerializeTupleStruct<Ok = Self::Ok, Error = Self::Error>;
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Serializer::SerializeTupleStruct`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `&mut NbtSerializer: serde::ser::SerializeTupleVariant` is not satisfied
[INFO] [stdout]    --> nbt/src/lib.rs:322:34
[INFO] [stdout]     |
[INFO] [stdout] 322 |     type SerializeTupleVariant = Self;
[INFO] [stdout]     |                                  ^^^^ the trait `SerializeTupleVariant` is not implemented for `&mut NbtSerializer`
[INFO] [stdout]     |
[INFO] [stdout] help: the trait `SerializeTupleVariant` is implemented for `Impossible<Ok, Error>`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_core-1.0.228/src/ser/impossible.rs:128:1
[INFO] [stdout]     |
[INFO] [stdout] 128 | / impl<Ok, Error> SerializeTupleVariant for Impossible<Ok, Error>
[INFO] [stdout] 129 | | where
[INFO] [stdout] 130 | |     Error: ser::Error,
[INFO] [stdout]     | |______________________^
[INFO] [stdout] note: required by a bound in `serde::Serializer::SerializeTupleVariant`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_core-1.0.228/src/ser/mod.rs:391:33
[INFO] [stdout]     |
[INFO] [stdout] 391 |     type SerializeTupleVariant: SerializeTupleVariant<Ok = Self::Ok, Error = Self::Error>;
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Serializer::SerializeTupleVariant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `&mut NbtSerializer: serde::ser::SerializeTupleVariant` is not satisfied
[INFO] [stdout]    --> nbt/src/lib.rs:322:34
[INFO] [stdout]     |
[INFO] [stdout] 322 |     type SerializeTupleVariant = Self;
[INFO] [stdout]     |                                  ^^^^ the trait `SerializeTupleVariant` is not implemented for `&mut NbtSerializer`
[INFO] [stdout]     |
[INFO] [stdout] help: the trait `SerializeTupleVariant` is implemented for `Impossible<Ok, Error>`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_core-1.0.228/src/ser/impossible.rs:128:1
[INFO] [stdout]     |
[INFO] [stdout] 128 | / impl<Ok, Error> SerializeTupleVariant for Impossible<Ok, Error>
[INFO] [stdout] 129 | | where
[INFO] [stdout] 130 | |     Error: ser::Error,
[INFO] [stdout]     | |______________________^
[INFO] [stdout] note: required by a bound in `serde::Serializer::SerializeTupleVariant`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_core-1.0.228/src/ser/mod.rs:391:33
[INFO] [stdout]     |
[INFO] [stdout] 391 |     type SerializeTupleVariant: SerializeTupleVariant<Ok = Self::Ok, Error = Self::Error>;
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Serializer::SerializeTupleVariant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `&mut NbtSerializer: serde::ser::SerializeMap` is not satisfied
[INFO] [stdout]    --> nbt/src/lib.rs:323:25
[INFO] [stdout]     |
[INFO] [stdout] 323 |     type SerializeMap = Self;
[INFO] [stdout]     |                         ^^^^ the trait `SerializeMap` is not implemented for `&mut NbtSerializer`
[INFO] [stdout]     |
[INFO] [stdout] help: the trait `SerializeMap` is implemented for `Impossible<Ok, Error>`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_core-1.0.228/src/ser/impossible.rs:148:1
[INFO] [stdout]     |
[INFO] [stdout] 148 | / impl<Ok, Error> SerializeMap for Impossible<Ok, Error>
[INFO] [stdout] 149 | | where
[INFO] [stdout] 150 | |     Error: ser::Error,
[INFO] [stdout]     | |______________________^
[INFO] [stdout] note: required by a bound in `serde::Serializer::SerializeMap`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_core-1.0.228/src/ser/mod.rs:397:24
[INFO] [stdout]     |
[INFO] [stdout] 397 |     type SerializeMap: SerializeMap<Ok = Self::Ok, Error = Self::Error>;
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Serializer::SerializeMap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `&mut NbtSerializer: serde::ser::SerializeMap` is not satisfied
[INFO] [stdout]    --> nbt/src/lib.rs:323:25
[INFO] [stdout]     |
[INFO] [stdout] 323 |     type SerializeMap = Self;
[INFO] [stdout]     |                         ^^^^ the trait `SerializeMap` is not implemented for `&mut NbtSerializer`
[INFO] [stdout]     |
[INFO] [stdout] help: the trait `SerializeMap` is implemented for `Impossible<Ok, Error>`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_core-1.0.228/src/ser/impossible.rs:148:1
[INFO] [stdout]     |
[INFO] [stdout] 148 | / impl<Ok, Error> SerializeMap for Impossible<Ok, Error>
[INFO] [stdout] 149 | | where
[INFO] [stdout] 150 | |     Error: ser::Error,
[INFO] [stdout]     | |______________________^
[INFO] [stdout] note: required by a bound in `serde::Serializer::SerializeMap`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_core-1.0.228/src/ser/mod.rs:397:24
[INFO] [stdout]     |
[INFO] [stdout] 397 |     type SerializeMap: SerializeMap<Ok = Self::Ok, Error = Self::Error>;
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Serializer::SerializeMap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `&mut NbtSerializer: serde::ser::SerializeStruct` is not satisfied
[INFO] [stdout]    --> nbt/src/lib.rs:324:28
[INFO] [stdout]     |
[INFO] [stdout] 324 |     type SerializeStruct = Self;
[INFO] [stdout]     |                            ^^^^ the trait `SerializeStruct` is not implemented for `&mut NbtSerializer`
[INFO] [stdout]     |
[INFO] [stdout] help: the trait `SerializeStruct` is implemented for `Impossible<Ok, Error>`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_core-1.0.228/src/ser/impossible.rs:176:1
[INFO] [stdout]     |
[INFO] [stdout] 176 | / impl<Ok, Error> SerializeStruct for Impossible<Ok, Error>
[INFO] [stdout] 177 | | where
[INFO] [stdout] 178 | |     Error: ser::Error,
[INFO] [stdout]     | |______________________^
[INFO] [stdout] note: required by a bound in `serde::Serializer::SerializeStruct`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_core-1.0.228/src/ser/mod.rs:403:27
[INFO] [stdout]     |
[INFO] [stdout] 403 |     type SerializeStruct: SerializeStruct<Ok = Self::Ok, Error = Self::Error>;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Serializer::SerializeStruct`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `&mut NbtSerializer: serde::ser::SerializeStruct` is not satisfied
[INFO] [stdout]    --> nbt/src/lib.rs:324:28
[INFO] [stdout]     |
[INFO] [stdout] 324 |     type SerializeStruct = Self;
[INFO] [stdout]     |                            ^^^^ the trait `SerializeStruct` is not implemented for `&mut NbtSerializer`
[INFO] [stdout]     |
[INFO] [stdout] help: the trait `SerializeStruct` is implemented for `Impossible<Ok, Error>`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_core-1.0.228/src/ser/impossible.rs:176:1
[INFO] [stdout]     |
[INFO] [stdout] 176 | / impl<Ok, Error> SerializeStruct for Impossible<Ok, Error>
[INFO] [stdout] 177 | | where
[INFO] [stdout] 178 | |     Error: ser::Error,
[INFO] [stdout]     | |______________________^
[INFO] [stdout] note: required by a bound in `serde::Serializer::SerializeStruct`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_core-1.0.228/src/ser/mod.rs:403:27
[INFO] [stdout]     |
[INFO] [stdout] 403 |     type SerializeStruct: SerializeStruct<Ok = Self::Ok, Error = Self::Error>;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Serializer::SerializeStruct`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `&mut NbtSerializer: serde::ser::SerializeStructVariant` is not satisfied
[INFO] [stdout]    --> nbt/src/lib.rs:325:35
[INFO] [stdout]     |
[INFO] [stdout] 325 |     type SerializeStructVariant = Self;
[INFO] [stdout]     |                                   ^^^^ the trait `SerializeStructVariant` is not implemented for `&mut NbtSerializer`
[INFO] [stdout]     |
[INFO] [stdout] help: the trait `SerializeStructVariant` is implemented for `Impossible<Ok, Error>`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_core-1.0.228/src/ser/impossible.rs:197:1
[INFO] [stdout]     |
[INFO] [stdout] 197 | / impl<Ok, Error> SerializeStructVariant for Impossible<Ok, Error>
[INFO] [stdout] 198 | | where
[INFO] [stdout] 199 | |     Error: ser::Error,
[INFO] [stdout]     | |______________________^
[INFO] [stdout] note: required by a bound in `serde::Serializer::SerializeStructVariant`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_core-1.0.228/src/ser/mod.rs:409:34
[INFO] [stdout]     |
[INFO] [stdout] 409 |     type SerializeStructVariant: SerializeStructVariant<Ok = Self::Ok, Error = Self::Error>;
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Serializer::SerializeStructVariant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `&mut NbtSerializer: serde::ser::SerializeStructVariant` is not satisfied
[INFO] [stdout]    --> nbt/src/lib.rs:325:35
[INFO] [stdout]     |
[INFO] [stdout] 325 |     type SerializeStructVariant = Self;
[INFO] [stdout]     |                                   ^^^^ the trait `SerializeStructVariant` is not implemented for `&mut NbtSerializer`
[INFO] [stdout]     |
[INFO] [stdout] help: the trait `SerializeStructVariant` is implemented for `Impossible<Ok, Error>`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_core-1.0.228/src/ser/impossible.rs:197:1
[INFO] [stdout]     |
[INFO] [stdout] 197 | / impl<Ok, Error> SerializeStructVariant for Impossible<Ok, Error>
[INFO] [stdout] 198 | | where
[INFO] [stdout] 199 | |     Error: ser::Error,
[INFO] [stdout]     | |______________________^
[INFO] [stdout] note: required by a bound in `serde::Serializer::SerializeStructVariant`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_core-1.0.228/src/ser/mod.rs:409:34
[INFO] [stdout]     |
[INFO] [stdout] 409 |     type SerializeStructVariant: SerializeStructVariant<Ok = Self::Ok, Error = Self::Error>;
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Serializer::SerializeStructVariant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> nbt/src/lib.rs:425:32
[INFO] [stdout]     |
[INFO] [stdout] 425 |     fn serialize_some<T>(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]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> nbt/src/lib.rs:436:36
[INFO] [stdout]     |
[INFO] [stdout] 436 |     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]    --> nbt/src/lib.rs:442:9
[INFO] [stdout]     |
[INFO] [stdout] 442 |         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]    --> nbt/src/lib.rs:443:9
[INFO] [stdout]     |
[INFO] [stdout] 443 |         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]    --> nbt/src/lib.rs:444:9
[INFO] [stdout]     |
[INFO] [stdout] 444 |         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]    --> nbt/src/lib.rs:425:32
[INFO] [stdout]     |
[INFO] [stdout] 425 |     fn serialize_some<T>(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]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> nbt/src/lib.rs:451:9
[INFO] [stdout]     |
[INFO] [stdout] 451 |         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]    --> nbt/src/lib.rs:452:9
[INFO] [stdout]     |
[INFO] [stdout] 452 |         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]    --> nbt/src/lib.rs:462:9
[INFO] [stdout]     |
[INFO] [stdout] 462 |         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]    --> nbt/src/lib.rs:463:9
[INFO] [stdout]     |
[INFO] [stdout] 463 |         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: `name`
[INFO] [stdout]    --> nbt/src/lib.rs:436:36
[INFO] [stdout]     |
[INFO] [stdout] 436 |     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: `variant`
[INFO] [stdout]    --> nbt/src/lib.rs:464:9
[INFO] [stdout]     |
[INFO] [stdout] 464 |         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]    --> nbt/src/lib.rs:465:9
[INFO] [stdout]     |
[INFO] [stdout] 465 |         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]    --> nbt/src/lib.rs:442:9
[INFO] [stdout]     |
[INFO] [stdout] 442 |         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]    --> nbt/src/lib.rs:473:28
[INFO] [stdout]     |
[INFO] [stdout] 473 |     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: `variant_index`
[INFO] [stdout]    --> nbt/src/lib.rs:443:9
[INFO] [stdout]     |
[INFO] [stdout] 443 |         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]    --> nbt/src/lib.rs:444:9
[INFO] [stdout]     |
[INFO] [stdout] 444 |         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]    --> nbt/src/lib.rs:451:9
[INFO] [stdout]     |
[INFO] [stdout] 451 |         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]    --> nbt/src/lib.rs:477:30
[INFO] [stdout]     |
[INFO] [stdout] 477 |     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]    --> nbt/src/lib.rs:483:9
[INFO] [stdout]     |
[INFO] [stdout] 483 |         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]    --> nbt/src/lib.rs:452:9
[INFO] [stdout]     |
[INFO] [stdout] 452 |         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]    --> nbt/src/lib.rs:484:9
[INFO] [stdout]     |
[INFO] [stdout] 484 |         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]    --> nbt/src/lib.rs:491:9
[INFO] [stdout]     |
[INFO] [stdout] 491 |         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]    --> nbt/src/lib.rs:462:9
[INFO] [stdout]     |
[INFO] [stdout] 462 |         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]    --> nbt/src/lib.rs:463:9
[INFO] [stdout]     |
[INFO] [stdout] 463 |         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_index`
[INFO] [stdout]    --> nbt/src/lib.rs:492:9
[INFO] [stdout]     |
[INFO] [stdout] 492 |         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]    --> nbt/src/lib.rs:464:9
[INFO] [stdout]     |
[INFO] [stdout] 464 |         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: `variant`
[INFO] [stdout]    --> nbt/src/lib.rs:493:9
[INFO] [stdout]     |
[INFO] [stdout] 493 |         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]    --> nbt/src/lib.rs:465:9
[INFO] [stdout]     |
[INFO] [stdout] 465 |         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]    --> nbt/src/lib.rs:494:9
[INFO] [stdout]     |
[INFO] [stdout] 494 |         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]    --> nbt/src/lib.rs:473:28
[INFO] [stdout]     |
[INFO] [stdout] 473 |     fn serialize_seq(self, len: Option<usize>) -> Result<Self::SerializeSeq, Self::Error> {
[INFO] [stdout]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> nbt/src/lib.rs:499:28
[INFO] [stdout]     |
[INFO] [stdout] 499 |     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: `len`
[INFO] [stdout]    --> nbt/src/lib.rs:477:30
[INFO] [stdout]     |
[INFO] [stdout] 477 |     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]    --> nbt/src/lib.rs:505:9
[INFO] [stdout]     |
[INFO] [stdout] 505 |         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]    --> nbt/src/lib.rs:483:9
[INFO] [stdout]     |
[INFO] [stdout] 483 |         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]    --> nbt/src/lib.rs:484:9
[INFO] [stdout]     |
[INFO] [stdout] 484 |         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]    --> nbt/src/lib.rs:506:9
[INFO] [stdout]     |
[INFO] [stdout] 506 |         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]    --> nbt/src/lib.rs:513:9
[INFO] [stdout]     |
[INFO] [stdout] 513 |         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]    --> nbt/src/lib.rs:491:9
[INFO] [stdout]     |
[INFO] [stdout] 491 |         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]    --> nbt/src/lib.rs:514:9
[INFO] [stdout]     |
[INFO] [stdout] 514 |         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]    --> nbt/src/lib.rs:515:9
[INFO] [stdout]     |
[INFO] [stdout] 515 |         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]    --> nbt/src/lib.rs:516:9
[INFO] [stdout]     |
[INFO] [stdout] 516 |         len: usize,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variant_index`
[INFO] [stdout]    --> nbt/src/lib.rs:492:9
[INFO] [stdout]     |
[INFO] [stdout] 492 |         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]    --> nbt/src/lib.rs:493:9
[INFO] [stdout]     |
[INFO] [stdout] 493 |         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]    --> nbt/src/lib.rs:494:9
[INFO] [stdout]     |
[INFO] [stdout] 494 |         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]    --> nbt/src/lib.rs:499:28
[INFO] [stdout]     |
[INFO] [stdout] 499 |     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]    --> nbt/src/lib.rs:505:9
[INFO] [stdout]     |
[INFO] [stdout] 505 |         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]    --> nbt/src/lib.rs:506:9
[INFO] [stdout]     |
[INFO] [stdout] 506 |         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]    --> nbt/src/lib.rs:513:9
[INFO] [stdout]     |
[INFO] [stdout] 513 |         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]    --> nbt/src/lib.rs:514:9
[INFO] [stdout]     |
[INFO] [stdout] 514 |         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]    --> nbt/src/lib.rs:515:9
[INFO] [stdout]     |
[INFO] [stdout] 515 |         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]    --> nbt/src/lib.rs:516:9
[INFO] [stdout]     |
[INFO] [stdout] 516 |         len: usize,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nbt` (lib) due to 7 previous errors; 26 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `nbt` (lib test) due to 7 previous errors; 26 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "2fe58aa4f7317fbd0c65e3e50df49153a69ca3dd827fcc6753fa738e5c433998", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fe58aa4f7317fbd0c65e3e50df49153a69ca3dd827fcc6753fa738e5c433998", kill_on_drop: false }`
[INFO] [stdout] 2fe58aa4f7317fbd0c65e3e50df49153a69ca3dd827fcc6753fa738e5c433998
