[INFO] fetching crate fastnbt 2.6.0...
[INFO] testing fastnbt-2.6.0 against master#2fd6efc32704647e64d3d646d21c4c68eae100e4 for pr-149852-1
[INFO] extracting crate fastnbt 2.6.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate fastnbt 2.6.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate fastnbt 2.6.0
[INFO] tweaked toml for crates.io crate fastnbt 2.6.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fastnbt 2.6.0 on toolchain 2fd6efc32704647e64d3d646d21c4c68eae100e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fastnbt 2.6.0 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" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.67
[INFO] [stderr]   Downloaded derive_arbitrary v1.3.1
[INFO] [stderr]   Downloaded serde_bytes v0.11.12
[INFO] [stderr]   Downloaded arbitrary v1.3.0
[INFO] [stderr]   Downloaded flate2 v1.0.27
[INFO] [stderr]   Downloaded syn v2.0.37
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d48754b755bdf92eaa96585ff2b8362af740a000d79ad6bfb60f10cd44ddb6ed
[INFO] running `Command { std: "docker" "start" "-a" "d48754b755bdf92eaa96585ff2b8362af740a000d79ad6bfb60f10cd44ddb6ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d48754b755bdf92eaa96585ff2b8362af740a000d79ad6bfb60f10cd44ddb6ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d48754b755bdf92eaa96585ff2b8362af740a000d79ad6bfb60f10cd44ddb6ed", kill_on_drop: false }`
[INFO] [stdout] d48754b755bdf92eaa96585ff2b8362af740a000d79ad6bfb60f10cd44ddb6ed
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa6628d834b3d495881d74d98339ee07041bcd43e5e75f02ba78c089152e6848
[INFO] running `Command { std: "docker" "start" "-a" "fa6628d834b3d495881d74d98339ee07041bcd43e5e75f02ba78c089152e6848", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling cesu8 v1.1.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling serde_bytes v0.11.12
[INFO] [stderr]    Compiling fastnbt v2.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `ser` is never read
[INFO] [stdout]   --> 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/value/de.rs:882:19
[INFO] [stdout]     |
[INFO] [stdout] 882 |     fn unexpected(&self) -> Unexpected {
[INFO] [stdout]     |                   ^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 882 |     fn unexpected(&self) -> Unexpected<'_> {
[INFO] [stdout]     |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.19s
[INFO] running `Command { std: "docker" "inspect" "fa6628d834b3d495881d74d98339ee07041bcd43e5e75f02ba78c089152e6848", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa6628d834b3d495881d74d98339ee07041bcd43e5e75f02ba78c089152e6848", kill_on_drop: false }`
[INFO] [stdout] fa6628d834b3d495881d74d98339ee07041bcd43e5e75f02ba78c089152e6848
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 037de42602650db51a23ba5d0b97a3fbddac03ffb91e3bf223c3241174f7a275
[INFO] running `Command { std: "docker" "start" "-a" "037de42602650db51a23ba5d0b97a3fbddac03ffb91e3bf223c3241174f7a275", kill_on_drop: false }`
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]    Compiling ryu v1.0.15
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stdout] warning: field `ser` is never read
[INFO] [stdout]   --> 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/value/de.rs:882:19
[INFO] [stdout]     |
[INFO] [stdout] 882 |     fn unexpected(&self) -> Unexpected {
[INFO] [stdout]     |                   ^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 882 |     fn unexpected(&self) -> Unexpected<'_> {
[INFO] [stdout]     |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling flate2 v1.0.27
[INFO] [stderr]    Compiling fastnbt v2.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `nbt`
[INFO] [stdout]  --> src/test/de.rs:8:52
[INFO] [stdout]   |
[INFO] [stdout] 8 |     from_bytes, from_bytes_with_opts, from_reader, nbt,
[INFO] [stdout]   |                                                    ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DeOpts` and `from_bytes_with_opts`
[INFO] [stdout]  --> 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] 
[INFO] [stdout] warning: unused import: `serde_json::to_writer`
[INFO] [stdout]   --> src/test/ser.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use serde_json::to_writer;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ser` is never read
[INFO] [stdout]   --> 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> 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(KnownEntity),
[INFO] [stdout] 68 +         Known(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> 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(Value),
[INFO] [stdout] 69 +         Unknown(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `block_states` is never read
[INFO] [stdout]    --> 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: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/value/de.rs:882:19
[INFO] [stdout]     |
[INFO] [stdout] 882 |     fn unexpected(&self) -> Unexpected {
[INFO] [stdout]     |                   ^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 882 |     fn unexpected(&self) -> Unexpected<'_> {
[INFO] [stdout]     |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 15.47s
[INFO] running `Command { std: "docker" "inspect" "037de42602650db51a23ba5d0b97a3fbddac03ffb91e3bf223c3241174f7a275", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "037de42602650db51a23ba5d0b97a3fbddac03ffb91e3bf223c3241174f7a275", kill_on_drop: false }`
[INFO] [stdout] 037de42602650db51a23ba5d0b97a3fbddac03ffb91e3bf223c3241174f7a275
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2e66f148def08be01c1103fdb8ad3690d0d2a291d316a3dbc643b81a5ffd0448
[INFO] running `Command { std: "docker" "start" "-a" "2e66f148def08be01c1103fdb8ad3690d0d2a291d316a3dbc643b81a5ffd0448", kill_on_drop: false }`
[INFO] [stderr] warning: field `ser` is never read
[INFO] [stderr]   --> src/value/array_serializer.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct ArraySerializer<'a> {
[INFO] [stderr]    |            --------------- field in this struct
[INFO] [stderr] 11 |     pub ser: &'a mut Serializer,
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/value/de.rs:882:19
[INFO] [stderr]     |
[INFO] [stderr] 882 |     fn unexpected(&self) -> Unexpected {
[INFO] [stderr]     |                   ^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                   |
[INFO] [stderr]     |                   the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 882 |     fn unexpected(&self) -> Unexpected<'_> {
[INFO] [stderr]     |                                       ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `fastnbt` (lib) generated 2 warnings (run `cargo fix --lib -p fastnbt` to apply 1 suggestion)
[INFO] [stderr] warning: unused import: `nbt`
[INFO] [stderr]  --> src/test/de.rs:8:52
[INFO] [stderr]   |
[INFO] [stderr] 8 |     from_bytes, from_bytes_with_opts, from_reader, nbt,
[INFO] [stderr]   |                                                    ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `DeOpts` and `from_bytes_with_opts`
[INFO] [stderr]  --> src/test/ser.rs:4:25
[INFO] [stderr]   |
[INFO] [stderr] 4 |     borrow, from_bytes, from_bytes_with_opts,
[INFO] [stderr]   |                         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 5 |     test::{resources::CHUNK_RAW_WITH_ENTITIES, Single, Wrap},
[INFO] [stderr] 6 |     to_bytes, to_bytes_with_opts, to_writer_with_opts, ByteArray, DeOpts, IntArray, LongArray,
[INFO] [stderr]   |                                                                   ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serde_json::to_writer`
[INFO] [stderr]   --> src/test/ser.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use serde_json::to_writer;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/test/minecraft_chunk.rs:68:15
[INFO] [stderr]    |
[INFO] [stderr] 68 |         Known(KnownEntity),
[INFO] [stderr]    |         ----- ^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Entity` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 68 -         Known(KnownEntity),
[INFO] [stderr] 68 +         Known(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/test/minecraft_chunk.rs:69:17
[INFO] [stderr]    |
[INFO] [stderr] 69 |         Unknown(Value),
[INFO] [stderr]    |         ------- ^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Entity` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 69 -         Unknown(Value),
[INFO] [stderr] 69 +         Unknown(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `block_states` is never read
[INFO] [stderr]    --> src/test/minecraft_chunk.rs:115:13
[INFO] [stderr]     |
[INFO] [stderr] 113 |     pub struct Section<'a> {
[INFO] [stderr]     |                ------- field in this struct
[INFO] [stderr] 114 |         #[serde(borrow)]
[INFO] [stderr] 115 |         pub block_states: Option<&'a [u8]>,
[INFO] [stderr]     |             ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Section` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `fastnbt` (lib test) generated 8 warnings (2 duplicates) (run `cargo fix --lib -p fastnbt --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fastnbt-d465dd27170de73a)
[INFO] [stdout] 
[INFO] [stdout] running 183 tests
[INFO] [stdout] test test::de::blockstates ... ok
[INFO] [stdout] test test::de::array_subslice_doesnt_panic ... ok
[INFO] [stdout] test test::de::basic_newtype_variant_enum ... ok
[INFO] [stdout] test test::de::byte_array ... ok
[INFO] [stdout] test test::de::byte_array_from_list_bytes ... ok
[INFO] [stdout] test test::de::byte_array_from_nbt_int_list ... ok
[INFO] [stdout] test test::de::byte_array_from_nbt_long_list ... ok
[INFO] [stdout] test test::de::byte_array_from_nbt_short_list ... ok
[INFO] [stdout] test test::de::byte_array_in_fullvalue ... ok
[INFO] [stdout] test test::de::byte_array_value_from_reader ... ok
[INFO] [stdout] test test::de::byte_array_zero_copy ... ok
[INFO] [stdout] test test::de::can_borrow_cesu8_if_same_repr ... ok
[INFO] [stdout] test test::de::can_cow_cesu8 ... ok
[INFO] [stdout] test test::de::cannot_borrow_cesu8_if_diff_repr ... ok
[INFO] [stdout] test test::de::cannot_get_float_as_array ... ok
[INFO] [stdout] test test::de::cesu8_string_in_nbt ... ok
[INFO] [stdout] test test::de::chars ... ok
[INFO] [stdout] test test::de::complex_nesting ... ok
[INFO] [stdout] test test::de::descriptive_error_on_gzip_magic ... ok
[INFO] [stdout] test test::de::direct_to_non_compound ... ok
[INFO] [stdout] test test::de::empty_list_of_end_valid ... ok
[INFO] [stdout] test test::de::basic_palette_item ... ok
[INFO] [stdout] test test::de::error_impls_sync_send ... ok
[INFO] [stdout] test test::de::error_nested_non_named_compounds ... ok
[INFO] [stdout] test test::de::enum_variant_types ... ok
[INFO] [stdout] test test::de::fixed_array ... ok
[INFO] [stdout] test test::de::hashmap_with_byte_buf ... ok
[INFO] [stdout] test test::de::hashmap_with_bytes ... ok
[INFO] [stdout] test test::de::i128_from_invalid_int_array ... ok
[INFO] [stdout] test test::de::ignore_list ... ok
[INFO] [stdout] test test::de::ignore_compound ... ok
[INFO] [stdout] test test::de::i128_from_int_array ... ok
[INFO] [stdout] test test::de::floating_in_fullvalue ... ok
[INFO] [stdout] test test::de::ignore_primitives_in_ignored_compound ... ok
[INFO] [stdout] test test::de::ignore_integral_arrays ... ok
[INFO] [stdout] test test::de::int_array ... ok
[INFO] [stdout] test test::de::int_array_cannot_be_deserialized_to_byte_array ... ok
[INFO] [stdout] test test::de::int_array_in_fullvalue ... ok
[INFO] [stdout] test test::de::int_array_zero_copy ... ok
[INFO] [stdout] test test::de::integrals_in_fullvalue ... ok
[INFO] [stdout] test test::de::ints_to_bool ... ok
[INFO] [stdout] test test::de::list_of_end_to_bytes ... ok
[INFO] [stdout] test test::de::long_array ... ok
[INFO] [stdout] test test::de::long_array_cannot_be_deserialized_to_int_array ... ok
[INFO] [stdout] test test::de::large_list ... ok
[INFO] [stdout] test test::de::ignore_list_of_compound ... ok
[INFO] [stdout] test test::de::list_of_compounds ... ok
[INFO] [stdout] test test::de::long_array_zero_copy ... ok
[INFO] [stdout] test test::de::long_array_cannot_be_deserialized_to_byte_array ... ok
[INFO] [stdout] test test::de::long_list_invalid_with_option ... ok
[INFO] [stdout] test test::de::multiple_fields ... ok
[INFO] [stdout] test test::de::negative_seq_lens ... ok
[INFO] [stdout] test test::de::nested_hashmaps_with_enums ... ok
[INFO] [stdout] test test::de::nested_networked_compound ... ok
[INFO] [stdout] test test::de::nested_compound ... ok
[INFO] [stdout] test test::de::nested_tuple_list ... ok
[INFO] [stdout] test test::de::nice_error_if_deserialize_array_to_seq ... ok
[INFO] [stdout] test test::de::newtype_struct ... ok
[INFO] [stdout] test test::de::optional ... ok
[INFO] [stdout] test test::de::networked_compound ... ok
[INFO] [stdout] test test::de::pathological_tuples ... ok
[INFO] [stdout] test test::de::nonempty_list_of_end_invalid ... ok
[INFO] [stdout] test test::de::numbers_into_u32 ... ok
[INFO] [stdout] test test::de::basic_unit_variant_enum ... ok
[INFO] [stdout] test test::de::primitive_to_bytes ... ok
[INFO] [stdout] test test::de::short_to_u16_out_of_range_errors ... ok
[INFO] [stdout] test test::de::simple_byte ... ok
[INFO] [stdout] test test::de::simple_floats ... ok
[INFO] [stdout] test test::de::simple_hashmap ... ok
[INFO] [stdout] test test::de::simple_hashmap_with_untagged_enum ... ok
[INFO] [stdout] test test::de::simple_shorts ... ok
[INFO] [stdout] test test::de::simple_list ... ok
[INFO] [stdout] test test::de::string_into_string ... ok
[INFO] [stdout] test test::de::string_into_ref_str ... ok
[INFO] [stdout] test test::de::trailing_bytes ... ok
[INFO] [stdout] test test::de::tuple_struct ... ok
[INFO] [stdout] test test::de::type_mismatch_string ... ok
[INFO] [stdout] test test::de::tuple_struct_with_long_array ... ok
[INFO] [stdout] test test::de::unit_not_present_errors ... ok
[INFO] [stdout] test test::de::unit_just_requires_presense ... ok
[INFO] [stdout] test test::exhaustive_tag_check ... ok
[INFO] [stdout] test test::de::unwanted_primative_payloads ... ok
[INFO] [stdout] test test::de::vec_from_nbt_byte_array ... ok
[INFO] [stdout] test test::de::untagged_enum_with_arrays ... ok
[INFO] [stdout] test test::de::unit_variant_enum ... ok
[INFO] [stdout] test test::fuzz::list_of_end ... ok
[INFO] [stdout] test test::fuzz::partial_input_causes_panic_if_in_string ... ok
[INFO] [stdout] test test::fuzz::overflow_len ... ok
[INFO] [stdout] test test::macros::nbt ... ok
[INFO] [stdout] test test::minecraft_chunk::avoiding_alloc_with_chunk ... ok
[INFO] [stdout] test test::ser::borrowed_nbt_byte_array_in_list ... ok
[INFO] [stdout] test test::ser::borrowed_nbt_int_array_in_list ... ok
[INFO] [stdout] test test::ser::borrowed_nbt_long_array_in_list ... ok
[INFO] [stdout] test test::fuzz::compound_using_nbt_token_key ... ok
[INFO] [stdout] test test::minecraft_chunk::tile_entities ... ok
[INFO] [stdout] test test::ser::bytes_as_fields ... ok
[INFO] [stdout] test test::ser::empty_list ... ok
[INFO] [stdout] test test::ser::cesu_bytes ... ok
[INFO] [stdout] test test::fuzz::float_double ... ok
[INFO] [stdout] test test::ser::basic_newtype_variant_enum ... ok
[INFO] [stdout] test test::ser::empty_compound_root ... ok
[INFO] [stdout] test test::ser::list_of_bytebuf ... ok
[INFO] [stdout] test test::minecraft_chunk::unit_variant_enum_for_chunk_status ... ok
[INFO] [stdout] test test::ser::list_of_empty_lists ... ok
[INFO] [stdout] test test::ser::enum_tuple_variant ... ok
[INFO] [stdout] test test::ser::list_of_compounds ... ok
[INFO] [stdout] test test::ser::list_of_list ... ok
[INFO] [stdout] test test::ser::list_of_int ... ok
[INFO] [stdout] test test::ser::list_of_list_of_bytes ... ok
[INFO] [stdout] test test::ser::hashmap ... ok
[INFO] [stdout] test test::ser::list_with_none_errors ... ok
[INFO] [stdout] test test::ser::list_of_short ... ok
[INFO] [stdout] test test::ser::must_have_root ... ignored, doesn't work yet
[INFO] [stdout] test test::ser::multiple_fields ... ok
[INFO] [stdout] test test::ser::nbt_int_array ... ok
[INFO] [stdout] test test::ser::nbt_long_array ... ok
[INFO] [stdout] test test::ser::optional ... ok
[INFO] [stdout] test test::ser::newtype_struct ... ok
[INFO] [stdout] test test::ser::newtype_struct_list ... ok
[INFO] [stdout] test test::ser::no_root ... ok
[INFO] [stdout] test test::ser::reduced_roundtrip_bug ... ok
[INFO] [stdout] test test::ser::serialize_bytes ... ok
[INFO] [stdout] test test::ser::serialize_networked_compound ... ok
[INFO] [stdout] test test::ser::serialize_root_with_name ... ok
[INFO] [stdout] test test::ser::serialize_str ... ok
[INFO] [stdout] test test::ser::simple_byte ... ok
[INFO] [stdout] test test::ser::simple_numbers ... ok
[INFO] [stdout] test test::ser::simple_string ... ok
[INFO] [stdout] test test::ser::tuple_struct ... ok
[INFO] [stdout] test test::ser::serialize_i128 ... ok
[INFO] [stdout] test test::ser::serialize_key_and_value ... ok
[INFO] [stdout] test test::ser::unit_enum ... ok
[INFO] [stdout] test test::ser::unit_errors ... ok
[INFO] [stdout] test test::ser::vec ... ok
[INFO] [stdout] test test::minecraft_chunk::chunk_to_value ... ok
[INFO] [stdout] test test::ser::unit_struct_errors ... ok
[INFO] [stdout] test test::ser::vec_in_vec ... ok
[INFO] [stdout] test test::ser::value_hashmap ... ok
[INFO] [stdout] test test::stream::cesu8_string_in_nbt ... ok
[INFO] [stdout] test test::stream::empty_payload ... ok
[INFO] [stdout] test test::stream::end_of_reader_is_signalled ... ok
[INFO] [stdout] test test::stream::invalid_unicode_can_carry_on ... ok
[INFO] [stdout] test test::stream::compound_with_list_inside ... ok
[INFO] [stdout] test test::stream::list_of_compounds ... ok
[INFO] [stdout] test test::stream::simple_byte ... ok
[INFO] [stdout] test test::stream::multiple_primatives ... ok
[INFO] [stdout] test test::stream::simple_byte_array ... ok
[INFO] [stdout] test test::stream::simple_compound ... ok
[INFO] [stdout] test test::stream::simple_double ... ok
[INFO] [stdout] test test::stream::simple_float ... ok
[INFO] [stdout] test test::stream::simple_int ... ok
[INFO] [stdout] test test::stream::simple_list ... ok
[INFO] [stdout] test test::stream::nested_compound ... ok
[INFO] [stdout] test test::stream::simple_list_of_int ... ok
[INFO] [stdout] test test::stream::simple_long ... ok
[INFO] [stdout] test test::stream::simple_long_array ... ok
[INFO] [stdout] test test::stream::simple_short ... ok
[INFO] [stdout] test test::stream::simple_string ... ok
[INFO] [stdout] test test::stream::two_lists_one_after_another ... ok
[INFO] [stdout] test test::value::de::int_array_types ... ok
[INFO] [stdout] test test::value::de::nested ... ok
[INFO] [stdout] test test::value::de::no_root_compound ... ok
[INFO] [stdout] test test::stream::simple_int_array ... ok
[INFO] [stdout] test test::value::de::simple_types ... ok
[INFO] [stdout] test test::value::distinguish_byte ... ok
[INFO] [stdout] test test::ser::round_trip ... ok
[INFO] [stdout] test test::ser::nbt_byte_array ... ok
[INFO] [stdout] test test::value::distinguish_arrays ... ok
[INFO] [stdout] test test::ser::nbt_long_array_in_list ... ok
[INFO] [stdout] test test::value::distinguish_compound ... ok
[INFO] [stdout] test test::value::distinguish_int ... ok
[INFO] [stdout] test test::value::distinguish_floats ... ok
[INFO] [stdout] test test::value::distinguish_lists ... ok
[INFO] [stdout] test test::value::distinguish_short ... ok
[INFO] [stdout] test test::value::fuzz_float ... ok
[INFO] [stdout] test test::value::distinguish_string ... ok
[INFO] [stdout] test test::value::ser::int_array_types ... ok
[INFO] [stdout] test test::value::ser::nested ... ok
[INFO] [stdout] test test::value::ser::simple_types ... ok
[INFO] [stdout] test test::value::distinguish_long ... ok
[INFO] [stdout] test test::value::empty_compound ... ok
[INFO] [stdout] test test::value::ser::no_root_compound ... ok
[INFO] [stderr]    Doc-tests fastnbt
[INFO] [stdout] test test::ser::nested ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 182 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test src/lib.rs - from_bytes (line 327) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 70) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 35) - compile ... ok
[INFO] [stdout] test src/borrow.rs - borrow (line 21) - compile ... ok
[INFO] [stdout] test src/lib.rs - from_reader_with_opts (line 353) - compile ... ok
[INFO] [stdout] test src/lib.rs - from_reader (line 380) - compile ... ok
[INFO] [stdout] test src/de.rs - de (line 164) ... ok
[INFO] [stdout] test src/stream.rs - stream::Parser (line 182) ... ignored
[INFO] [stdout] test src/de.rs - de (line 192) - compile ... ok
[INFO] [stdout] test src/de.rs - de (line 130) ... ok
[INFO] [stdout] test src/de.rs - de (line 104) ... ok
[INFO] [stdout] test src/value/mod.rs - value::Value (line 18) - compile ... ok
[INFO] [stdout] test src/macros.rs - macros::nbt (line 35) ... ok
[INFO] [stdout] test src/macros.rs - macros::nbt (line 50) ... ok
[INFO] [stdout] test src/ser/mod.rs - ser (line 29) - compile ... FAILED
[INFO] [stdout] test src/value/ser.rs - value::ser::Serializer (line 76) ... ok
[INFO] [stdout] test src/value/mod.rs - value::from_value (line 415) ... ok
[INFO] [stdout] test src/stream.rs - stream::Parser (line 142) ... ok
[INFO] [stdout] test src/value/mod.rs - value::to_value (line 357) ... ok
[INFO] [stdout] test src/value/mod.rs - value::to_value (line 395) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/ser/mod.rs - ser (line 29) stdout ----
[INFO] [stdout] error: this function depends on never type fallback being `()`
[INFO] [stdout]   --> src/ser/mod.rs:30:38
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_ser_mod_rs_29_0() {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/never-type-fallback.html>
[INFO] [stdout]    = help: specify the types explicitly
[INFO] [stdout] note: in edition 2024, the requirement `!: Serialize` will fail
[INFO] [stdout]   --> src/ser/mod.rs:48:41
[INFO] [stdout]    |
[INFO] [stdout] 48 | let bytes = fastnbt::to_bytes_with_opts(&structure, SerOpts::new().root_name("Schematic")).unwrap();
[INFO] [stdout]    |                                         ^^^^^^^^^^
[INFO] [stdout]    = note: `#[deny(dependency_on_unit_never_type_fallback)]` (part of `#[deny(rust_2024_compatibility)]`) on by default
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]    |
[INFO] [stdout] 47 | let structure: () = todo!(); // make schematic
[INFO] [stdout]    |              ++++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/ser/mod.rs - ser (line 29)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 18 passed; 1 failed; 1 ignored; 0 measured; 0 filtered out; finished in 2.14s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "2e66f148def08be01c1103fdb8ad3690d0d2a291d316a3dbc643b81a5ffd0448", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e66f148def08be01c1103fdb8ad3690d0d2a291d316a3dbc643b81a5ffd0448", kill_on_drop: false }`
[INFO] [stdout] 2e66f148def08be01c1103fdb8ad3690d0d2a291d316a3dbc643b81a5ffd0448
