[INFO] fetching crate enum_dispatch 0.3.13...
[INFO] checking enum_dispatch-0.3.13 against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] extracting crate enum_dispatch 0.3.13 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate enum_dispatch 0.3.13
[INFO] finished tweaking crates.io crate enum_dispatch 0.3.13
[INFO] tweaked toml for crates.io crate enum_dispatch 0.3.13 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate enum_dispatch 0.3.13 on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 106 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.6.1 (available: v0.6.5)
[INFO] [stderr]       Adding serde v1.0.136 (available: v1.0.228)
[INFO] [stderr]       Adding serde_derive v1.0.136 (available: v1.0.228)
[INFO] [stderr]       Adding serde_json v1.0.78 (available: v1.0.149)
[INFO] [stderr]       Adding smol v1.3.0 (available: v2.0.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9fc60a68be241dfff390bf688c8a6ce6c74cf86e12eef2ac5a3ca742cb3682c6
[INFO] running `Command { std: "docker" "start" "-a" "9fc60a68be241dfff390bf688c8a6ce6c74cf86e12eef2ac5a3ca742cb3682c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9fc60a68be241dfff390bf688c8a6ce6c74cf86e12eef2ac5a3ca742cb3682c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fc60a68be241dfff390bf688c8a6ce6c74cf86e12eef2ac5a3ca742cb3682c6", kill_on_drop: false }`
[INFO] [stdout] 9fc60a68be241dfff390bf688c8a6ce6c74cf86e12eef2ac5a3ca742cb3682c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 743130a9143cd4f5145758445c75ce699b02e7b58c08eba6a83f5b564aed03a0
[INFO] running `Command { std: "docker" "start" "-a" "743130a9143cd4f5145758445c75ce699b02e7b58c08eba6a83f5b564aed03a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]     Checking futures-io v0.3.32
[INFO] [stderr]     Checking fastrand v2.4.1
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]     Checking event-listener v5.4.1
[INFO] [stderr]     Checking linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling async-fs v1.6.0
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking event-listener v3.1.0
[INFO] [stderr]    Compiling serde_json v1.0.78
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]     Checking futures-lite v2.6.1
[INFO] [stderr]     Checking piper v0.2.5
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking enum_derive v0.1.7
[INFO] [stderr]     Checking event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking async-channel v2.5.0
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]     Checking async-executor v1.14.0
[INFO] [stderr]     Checking blocking v1.6.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking enum_dispatch v0.3.13 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/supported_generics.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Identifier(proc_macro2::Ident),
[INFO] [stdout]   |     ---------- ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[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] 9 -     Identifier(proc_macro2::Ident),
[INFO] [stdout] 9 +     Identifier(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/supported_generics.rs:11:15
[INFO] [stdout]    |
[INFO] [stdout] 11 |     ConstChar(syn::LitChar),
[INFO] [stdout]    |     --------- ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[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] 11 -     ConstChar(syn::LitChar),
[INFO] [stdout] 11 +     ConstChar(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/supported_generics.rs:13:15
[INFO] [stdout]    |
[INFO] [stdout] 13 |     ConstByte(syn::LitByte),
[INFO] [stdout]    |     --------- ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[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] 13 -     ConstByte(syn::LitByte),
[INFO] [stdout] 13 +     ConstByte(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/supported_generics.rs:15:14
[INFO] [stdout]    |
[INFO] [stdout] 15 |     ConstInt(syn::LitInt),
[INFO] [stdout]    |     -------- ^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[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] 15 -     ConstInt(syn::LitInt),
[INFO] [stdout] 15 +     ConstInt(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/supported_generics.rs:17:15
[INFO] [stdout]    |
[INFO] [stdout] 17 |     ConstBool(syn::LitBool),
[INFO] [stdout]    |     --------- ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[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] 17 -     ConstBool(syn::LitBool),
[INFO] [stdout] 17 +     ConstBool(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]     Checking io-lifetimes v1.0.11
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]     Checking polling v2.8.0
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking rustix v0.37.28
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]     Checking async-io v1.13.0
[INFO] [stderr]     Checking async-net v1.8.0
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/supported_generics.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Identifier(proc_macro2::Ident),
[INFO] [stdout]   |     ---------- ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[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] 9 -     Identifier(proc_macro2::Ident),
[INFO] [stdout] 9 +     Identifier(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/supported_generics.rs:11:15
[INFO] [stdout]    |
[INFO] [stdout] 11 |     ConstChar(syn::LitChar),
[INFO] [stdout]    |     --------- ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[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] 11 -     ConstChar(syn::LitChar),
[INFO] [stdout] 11 +     ConstChar(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/supported_generics.rs:13:15
[INFO] [stdout]    |
[INFO] [stdout] 13 |     ConstByte(syn::LitByte),
[INFO] [stdout]    |     --------- ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[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] 13 -     ConstByte(syn::LitByte),
[INFO] [stdout] 13 +     ConstByte(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/supported_generics.rs:15:14
[INFO] [stdout]    |
[INFO] [stdout] 15 |     ConstInt(syn::LitInt),
[INFO] [stdout]    |     -------- ^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[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] 15 -     ConstInt(syn::LitInt),
[INFO] [stdout] 15 +     ConstInt(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/supported_generics.rs:17:15
[INFO] [stdout]    |
[INFO] [stdout] 17 |     ConstBool(syn::LitBool),
[INFO] [stdout]    |     --------- ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[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] 17 -     ConstBool(syn::LitBool),
[INFO] [stdout] 17 +     ConstBool(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking polling v3.11.0
[INFO] [stderr]     Checking async-io v2.6.0
[INFO] [stderr]     Checking async-signal v0.2.14
[INFO] [stderr]     Checking async-process v1.8.1
[INFO] [stderr]     Checking smol v1.3.0
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/latebound.rs:112:22
[INFO] [stdout]     |
[INFO] [stdout] 112 | pub struct Something(u32);
[INFO] [stdout]     |            --------- ^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `async_fn_in_trait` has been stable since 1.75.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> tests/async-trait.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(async_fn_in_trait)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `SomeTrait` is never used
[INFO] [stdout]  --> tests/field_attrs.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | trait SomeTrait {
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `TestTrait` is never used
[INFO] [stdout]  --> tests/ambiguous_associated_items.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | trait TestTrait {
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AppState` is never constructed
[INFO] [stdout]  --> tests/arg_patterns.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct AppState;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TupleStruct` is never constructed
[INFO] [stdout]  --> tests/arg_patterns.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct TupleStruct(usize, usize);
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Format` is never used
[INFO] [stdout]  --> tests/arg_patterns.rs:8:6
[INFO] [stdout]   |
[INFO] [stdout] 8 | enum Format {
[INFO] [stdout]   |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Sentinel` is never used
[INFO] [stdout]   --> tests/arg_patterns.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 | enum Sentinel {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `apply`, `undo`, `redo`, `merge`, and `format` are never used
[INFO] [stdout]   --> tests/arg_patterns.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | trait AppAction {
[INFO] [stdout]    |       --------- methods in this trait
[INFO] [stdout] 19 |     fn apply(&mut self, _target: &mut AppState) -> Result<(), String>;
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 20 |
[INFO] [stdout] 21 |     fn undo(&mut self, _: &mut AppState) -> Result<(), String>;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 22 |
[INFO] [stdout] 23 |     fn redo(
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     fn merge(
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     fn format(
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/supported_generics.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Identifier(proc_macro2::Ident),
[INFO] [stdout]   |     ---------- ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[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] 9 -     Identifier(proc_macro2::Ident),
[INFO] [stdout] 9 +     Identifier(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/supported_generics.rs:11:15
[INFO] [stdout]    |
[INFO] [stdout] 11 |     ConstChar(syn::LitChar),
[INFO] [stdout]    |     --------- ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[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] 11 -     ConstChar(syn::LitChar),
[INFO] [stdout] 11 +     ConstChar(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/supported_generics.rs:13:15
[INFO] [stdout]    |
[INFO] [stdout] 13 |     ConstByte(syn::LitByte),
[INFO] [stdout]    |     --------- ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[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] 13 -     ConstByte(syn::LitByte),
[INFO] [stdout] 13 +     ConstByte(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/supported_generics.rs:15:14
[INFO] [stdout]    |
[INFO] [stdout] 15 |     ConstInt(syn::LitInt),
[INFO] [stdout]    |     -------- ^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[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] 15 -     ConstInt(syn::LitInt),
[INFO] [stdout] 15 +     ConstInt(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/supported_generics.rs:17:15
[INFO] [stdout]    |
[INFO] [stdout] 17 |     ConstBool(syn::LitBool),
[INFO] [stdout]    |     --------- ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[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] 17 -     ConstBool(syn::LitBool),
[INFO] [stdout] 17 +     ConstBool(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Shaped` is never used
[INFO] [stdout]  --> tests/serde.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | trait Shaped {
[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 18.21s
[INFO] running `Command { std: "docker" "inspect" "743130a9143cd4f5145758445c75ce699b02e7b58c08eba6a83f5b564aed03a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "743130a9143cd4f5145758445c75ce699b02e7b58c08eba6a83f5b564aed03a0", kill_on_drop: false }`
[INFO] [stdout] 743130a9143cd4f5145758445c75ce699b02e7b58c08eba6a83f5b564aed03a0
