[INFO] fetching crate py27-marshal 0.4.0...
[INFO] building py27-marshal-0.4.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate py27-marshal 0.4.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate py27-marshal 0.4.0
[INFO] finished tweaking crates.io crate py27-marshal 0.4.0
[INFO] tweaked toml for crates.io crate py27-marshal 0.4.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate py27-marshal 0.4.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 22 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.9.4)
[INFO] [stderr]       Adding num-derive v0.3.3 (available: v0.4.2)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.16)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd31137ab70506c816e56da9c91a2a0fd3d2acf56ca98c68d9df91f1369ae94b
[INFO] running `Command { std: "docker" "start" "-a" "bd31137ab70506c816e56da9c91a2a0fd3d2acf56ca98c68d9df91f1369ae94b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd31137ab70506c816e56da9c91a2a0fd3d2acf56ca98c68d9df91f1369ae94b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd31137ab70506c816e56da9c91a2a0fd3d2acf56ca98c68d9df91f1369ae94b", kill_on_drop: false }`
[INFO] [stdout] bd31137ab70506c816e56da9c91a2a0fd3d2acf56ca98c68d9df91f1369ae94b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43c5773881c46a25ef2dd07226cfd8dbe8ed2ee47494ea413ce198a858eea985
[INFO] running `Command { std: "docker" "start" "-a" "43c5773881c46a25ef2dd07226cfd8dbe8ed2ee47494ea413ce198a858eea985", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling bstr v1.12.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling py27-marshal v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:288:24
[INFO] [stdout]     |
[INFO] [stdout] 288 |             Self::Long(x) => Type::Long,
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:289:26
[INFO] [stdout]     |
[INFO] [stdout] 289 |             &Self::Float(x) => Type::Float,
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:290:28
[INFO] [stdout]     |
[INFO] [stdout] 290 |             &Self::Complex(x) => Type::Complex,
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:291:25
[INFO] [stdout]     |
[INFO] [stdout] 291 |             Self::Bytes(x) => Type::Bytes,
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:292:26
[INFO] [stdout]     |
[INFO] [stdout] 292 |             Self::String(x) => Type::String,
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:293:25
[INFO] [stdout]     |
[INFO] [stdout] 293 |             Self::Tuple(x) => Type::Tuple,
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:294:24
[INFO] [stdout]     |
[INFO] [stdout] 294 |             Self::List(x) => Type::List,
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:295:24
[INFO] [stdout]     |
[INFO] [stdout] 295 |             Self::Dict(x) => Type::Dict,
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:296:23
[INFO] [stdout]     |
[INFO] [stdout] 296 |             Self::Set(x) => Type::Set,
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:297:29
[INFO] [stdout]     |
[INFO] [stdout] 297 |             Self::FrozenSet(x) => Type::FrozenSet,
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:298:24
[INFO] [stdout]     |
[INFO] [stdout] 298 |             Self::Code(x) => Type::Code,
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/lib.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 24 | #[derive(FromPrimitive, ToPrimitive, Debug, Copy, Clone)]
[INFO] [stdout]    |          ^------------
[INFO] [stdout]    |          |
[INFO] [stdout]    |          `FromPrimitive` is not local
[INFO] [stdout]    |          move the `impl` block outside of this constant `_IMPL_NUM_FromPrimitive_FOR_Type`
[INFO] [stdout] 25 | #[repr(u8)]
[INFO] [stdout] 26 | pub enum Type {
[INFO] [stdout]    |          ---- `Type` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `FromPrimitive` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `FromPrimitive` may come from an old version of the `num_derive` crate, try updating your dependency with `cargo update -p num_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]    = note: this warning originates in the derive macro `FromPrimitive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/lib.rs:24:25
[INFO] [stdout]    |
[INFO] [stdout] 24 | #[derive(FromPrimitive, ToPrimitive, Debug, Copy, Clone)]
[INFO] [stdout]    |                         ^----------
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         `ToPrimitive` is not local
[INFO] [stdout]    |                         move the `impl` block outside of this constant `_IMPL_NUM_ToPrimitive_FOR_Type`
[INFO] [stdout] 25 | #[repr(u8)]
[INFO] [stdout] 26 | pub enum Type {
[INFO] [stdout]    |          ---- `Type` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `ToPrimitive` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `ToPrimitive` may come from an old version of the `num_derive` crate, try updating your dependency with `cargo update -p num_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: this warning originates in the derive macro `ToPrimitive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `has_posonlyargcount` is never read
[INFO] [stdout]   --> src/read.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | struct RFile<R: Read> {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 56 |     has_posonlyargcount: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.09s
[INFO] running `Command { std: "docker" "inspect" "43c5773881c46a25ef2dd07226cfd8dbe8ed2ee47494ea413ce198a858eea985", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43c5773881c46a25ef2dd07226cfd8dbe8ed2ee47494ea413ce198a858eea985", kill_on_drop: false }`
[INFO] [stdout] 43c5773881c46a25ef2dd07226cfd8dbe8ed2ee47494ea413ce198a858eea985
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80325b7813c95aeaa8a9718f3930fee60567b26422d722e54378206e0e3041b8
[INFO] running `Command { std: "docker" "start" "-a" "80325b7813c95aeaa8a9718f3930fee60567b26422d722e54378206e0e3041b8", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:288:24
[INFO] [stdout]     |
[INFO] [stdout] 288 |             Self::Long(x) => Type::Long,
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:289:26
[INFO] [stdout]     |
[INFO] [stdout] 289 |             &Self::Float(x) => Type::Float,
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:290:28
[INFO] [stdout]     |
[INFO] [stdout] 290 |             &Self::Complex(x) => Type::Complex,
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:291:25
[INFO] [stdout]     |
[INFO] [stdout] 291 |             Self::Bytes(x) => Type::Bytes,
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:292:26
[INFO] [stdout]     |
[INFO] [stdout] 292 |             Self::String(x) => Type::String,
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:293:25
[INFO] [stdout]     |
[INFO] [stdout] 293 |             Self::Tuple(x) => Type::Tuple,
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:294:24
[INFO] [stdout]     |
[INFO] [stdout] 294 |             Self::List(x) => Type::List,
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling py27-marshal v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:295:24
[INFO] [stdout]     |
[INFO] [stdout] 295 |             Self::Dict(x) => Type::Dict,
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:296:23
[INFO] [stdout]     |
[INFO] [stdout] 296 |             Self::Set(x) => Type::Set,
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:297:29
[INFO] [stdout]     |
[INFO] [stdout] 297 |             Self::FrozenSet(x) => Type::FrozenSet,
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:298:24
[INFO] [stdout]     |
[INFO] [stdout] 298 |             Self::Code(x) => Type::Code,
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/lib.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 24 | #[derive(FromPrimitive, ToPrimitive, Debug, Copy, Clone)]
[INFO] [stdout]    |          ^------------
[INFO] [stdout]    |          |
[INFO] [stdout]    |          `FromPrimitive` is not local
[INFO] [stdout]    |          move the `impl` block outside of this constant `_IMPL_NUM_FromPrimitive_FOR_Type`
[INFO] [stdout] 25 | #[repr(u8)]
[INFO] [stdout] 26 | pub enum Type {
[INFO] [stdout]    |          ---- `Type` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `FromPrimitive` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `FromPrimitive` may come from an old version of the `num_derive` crate, try updating your dependency with `cargo update -p num_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]    = note: this warning originates in the derive macro `FromPrimitive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/lib.rs:24:25
[INFO] [stdout]    |
[INFO] [stdout] 24 | #[derive(FromPrimitive, ToPrimitive, Debug, Copy, Clone)]
[INFO] [stdout]    |                         ^----------
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         `ToPrimitive` is not local
[INFO] [stdout]    |                         move the `impl` block outside of this constant `_IMPL_NUM_ToPrimitive_FOR_Type`
[INFO] [stdout] 25 | #[repr(u8)]
[INFO] [stdout] 26 | pub enum Type {
[INFO] [stdout]    |          ---- `Type` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `ToPrimitive` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `ToPrimitive` may come from an old version of the `num_derive` crate, try updating your dependency with `cargo update -p num_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: this warning originates in the derive macro `ToPrimitive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `has_posonlyargcount` is never read
[INFO] [stdout]   --> src/read.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | struct RFile<R: Read> {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 56 |     has_posonlyargcount: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ByteSlice`
[INFO] [stdout]    --> src/lib.rs:540:25
[INFO] [stdout]     |
[INFO] [stdout] 540 |     use bstr::{BString, ByteSlice};
[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 variable: `x`
[INFO] [stdout]    --> src/lib.rs:288:24
[INFO] [stdout]     |
[INFO] [stdout] 288 |             Self::Long(x) => Type::Long,
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:289:26
[INFO] [stdout]     |
[INFO] [stdout] 289 |             &Self::Float(x) => Type::Float,
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:290:28
[INFO] [stdout]     |
[INFO] [stdout] 290 |             &Self::Complex(x) => Type::Complex,
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:291:25
[INFO] [stdout]     |
[INFO] [stdout] 291 |             Self::Bytes(x) => Type::Bytes,
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:292:26
[INFO] [stdout]     |
[INFO] [stdout] 292 |             Self::String(x) => Type::String,
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:293:25
[INFO] [stdout]     |
[INFO] [stdout] 293 |             Self::Tuple(x) => Type::Tuple,
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:294:24
[INFO] [stdout]     |
[INFO] [stdout] 294 |             Self::List(x) => Type::List,
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:295:24
[INFO] [stdout]     |
[INFO] [stdout] 295 |             Self::Dict(x) => Type::Dict,
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:296:23
[INFO] [stdout]     |
[INFO] [stdout] 296 |             Self::Set(x) => Type::Set,
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:297:29
[INFO] [stdout]     |
[INFO] [stdout] 297 |             Self::FrozenSet(x) => Type::FrozenSet,
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:298:24
[INFO] [stdout]     |
[INFO] [stdout] 298 |             Self::Code(x) => Type::Code,
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/lib.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 24 | #[derive(FromPrimitive, ToPrimitive, Debug, Copy, Clone)]
[INFO] [stdout]    |          ^------------
[INFO] [stdout]    |          |
[INFO] [stdout]    |          `FromPrimitive` is not local
[INFO] [stdout]    |          move the `impl` block outside of this constant `_IMPL_NUM_FromPrimitive_FOR_Type`
[INFO] [stdout] 25 | #[repr(u8)]
[INFO] [stdout] 26 | pub enum Type {
[INFO] [stdout]    |          ---- `Type` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `FromPrimitive` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `FromPrimitive` may come from an old version of the `num_derive` crate, try updating your dependency with `cargo update -p num_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]    = note: this warning originates in the derive macro `FromPrimitive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/lib.rs:24:25
[INFO] [stdout]    |
[INFO] [stdout] 24 | #[derive(FromPrimitive, ToPrimitive, Debug, Copy, Clone)]
[INFO] [stdout]    |                         ^----------
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         `ToPrimitive` is not local
[INFO] [stdout]    |                         move the `impl` block outside of this constant `_IMPL_NUM_ToPrimitive_FOR_Type`
[INFO] [stdout] 25 | #[repr(u8)]
[INFO] [stdout] 26 | pub enum Type {
[INFO] [stdout]    |          ---- `Type` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `ToPrimitive` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `ToPrimitive` may come from an old version of the `num_derive` crate, try updating your dependency with `cargo update -p num_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: this warning originates in the derive macro `ToPrimitive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `has_posonlyargcount` is never read
[INFO] [stdout]   --> src/read.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | struct RFile<R: Read> {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 56 |     has_posonlyargcount: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "80325b7813c95aeaa8a9718f3930fee60567b26422d722e54378206e0e3041b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80325b7813c95aeaa8a9718f3930fee60567b26422d722e54378206e0e3041b8", kill_on_drop: false }`
[INFO] [stdout] 80325b7813c95aeaa8a9718f3930fee60567b26422d722e54378206e0e3041b8