[INFO] cloning repository https://github.com/owengage/fastnbt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/owengage/fastnbt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fowengage%2Ffastnbt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fowengage%2Ffastnbt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e2a5d8a7001d4f074ae99fd21bb485667934baeb
[INFO] checking owengage/fastnbt against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fowengage%2Ffastnbt" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/owengage/fastnbt 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 git repo https://github.com/owengage/fastnbt
[INFO] finished tweaking git repo https://github.com/owengage/fastnbt
[INFO] tweaked toml for git repo https://github.com/owengage/fastnbt written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/owengage/fastnbt 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "start" "-a" "0beca1112ec8ef8e8c8d35e3789815d8a068f4e41297daff90858d1011f6d573", kill_on_drop: false }`
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[INFO] [stderr]     Checking fastnbt v2.5.0 (/opt/rustwide/workdir/fastnbt)
[INFO] [stderr]     Checking fastnbt v2.4.4
[INFO] [stdout] warning: field `ser` is never read
[INFO] [stdout]   --> fastnbt/src/value/array_serializer.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct ArraySerializer<'a> {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] 11 |     pub ser: &'a mut Serializer,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking fastanvil v0.31.0 (/opt/rustwide/workdir/fastanvil)
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.4.0
[INFO] [stdout] warning: unused imports: `DeOpts` and `from_bytes_with_opts`
[INFO] [stdout]  --> fastnbt/src/test/ser.rs:4:25
[INFO] [stdout]   |
[INFO] [stdout] 4 |     borrow, from_bytes, from_bytes_with_opts,
[INFO] [stdout]   |                         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 5 |     test::{resources::CHUNK_RAW_WITH_ENTITIES, Single, Wrap},
[INFO] [stdout] 6 |     to_bytes, to_bytes_with_opts, to_writer_with_opts, ByteArray, DeOpts, IntArray, LongArray,
[INFO] [stdout]   |                                                                   ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json::to_writer`
[INFO] [stdout]   --> fastnbt/src/test/ser.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use serde_json::to_writer;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking fastnbt-tools v0.27.0 (/opt/rustwide/workdir/tools)
[INFO] [stdout] warning: struct `ErrorMessage` is never constructed
[INFO] [stdout]   --> tools/src/lib.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct ErrorMessage(&'static str);
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ErrorMessage` is never constructed
[INFO] [stdout]   --> tools/src/lib.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct ErrorMessage(&'static str);
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ErrorMessage` is never constructed
[INFO] [stdout]  --> tools/src/bin/flatten-model.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct ErrorMessage(&'static str);
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ErrorMessage` is never constructed
[INFO] [stdout]  --> tools/src/bin/flatten-model.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct ErrorMessage(&'static str);
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ser` is never read
[INFO] [stdout]   --> fastnbt/src/value/array_serializer.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct ArraySerializer<'a> {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] 11 |     pub ser: &'a mut Serializer,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> fastnbt/src/test/minecraft_chunk.rs:68:15
[INFO] [stdout]    |
[INFO] [stdout] 68 |         Known(KnownEntity),
[INFO] [stdout]    |         ----- ^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Entity` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 68 |         Known(()),
[INFO] [stdout]    |               ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> fastnbt/src/test/minecraft_chunk.rs:69:17
[INFO] [stdout]    |
[INFO] [stdout] 69 |         Unknown(Value),
[INFO] [stdout]    |         ------- ^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Entity` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 69 |         Unknown(()),
[INFO] [stdout]    |                 ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `block_states` is never read
[INFO] [stdout]    --> fastnbt/src/test/minecraft_chunk.rs:115:13
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub struct Section<'a> {
[INFO] [stdout]     |                ------- field in this struct
[INFO] [stdout] 114 |         #[serde(borrow)]
[INFO] [stdout] 115 |         pub block_states: Option<&'a [u8]>,
[INFO] [stdout]     |             ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Section` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.98s
[INFO] running `Command { std: "docker" "inspect" "244576440a23893d0ad02610fb96a1037e8e8b05a4559c4aff6994ff98c2f0c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "244576440a23893d0ad02610fb96a1037e8e8b05a4559c4aff6994ff98c2f0c4", kill_on_drop: false }`
[INFO] [stdout] 244576440a23893d0ad02610fb96a1037e8e8b05a4559c4aff6994ff98c2f0c4