[INFO] cloning repository https://github.com/ycysdf/variant_enum
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ycysdf/variant_enum" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fycysdf%2Fvariant_enum", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fycysdf%2Fvariant_enum'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 188243cd07c7c949e8d6a4b2ba32697967fe274a
[INFO] checking ycysdf/variant_enum against master#9e293ae9f8abecb0be5105787d181518c9012a19 for pr-146440-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fycysdf%2Fvariant_enum" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ycysdf/variant_enum
[INFO] finished tweaking git repo https://github.com/ycysdf/variant_enum
[INFO] tweaked toml for git repo https://github.com/ycysdf/variant_enum written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ycysdf/variant_enum on toolchain 9e293ae9f8abecb0be5105787d181518c9012a19
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ycysdf/variant_enum 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" "+9e293ae9f8abecb0be5105787d181518c9012a19" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ac68e1a8811b88294144361d9571b3ba534759b220f1812a58e64475f11aac4
[INFO] running `Command { std: "docker" "start" "-a" "6ac68e1a8811b88294144361d9571b3ba534759b220f1812a58e64475f11aac4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ac68e1a8811b88294144361d9571b3ba534759b220f1812a58e64475f11aac4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ac68e1a8811b88294144361d9571b3ba534759b220f1812a58e64475f11aac4", kill_on_drop: false }`
[INFO] [stdout] 6ac68e1a8811b88294144361d9571b3ba534759b220f1812a58e64475f11aac4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 354ad0d72f930ddca35e4acaa03e7cb42f9dc67e557d48149fe1ec858c92accd
[INFO] running `Command { std: "docker" "start" "-a" "354ad0d72f930ddca35e4acaa03e7cb42f9dc67e557d48149fe1ec858c92accd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking quote v1.0.36
[INFO] [stderr]     Checking syn v2.0.68
[INFO] [stderr]     Checking variant_enum v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `parse_quote_spanned`
[INFO] [stdout]  --> src/lib.rs:5:43
[INFO] [stdout]   |
[INFO] [stdout] 5 | use syn::{parse_macro_input, parse_quote, parse_quote_spanned, Expr, Field, FieldMutability, Fields, FieldsUnnamed, ItemEnum, Visibil...
[INFO] [stdout]   |                                           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling derive_more v0.99.18
[INFO] [stdout] warning: unused import: `parse_quote_spanned`
[INFO] [stdout]  --> src/lib.rs:5:43
[INFO] [stdout]   |
[INFO] [stdout] 5 | use syn::{parse_macro_input, parse_quote, parse_quote_spanned, Expr, Field, FieldMutability, Fields, FieldsUnnamed, ItemEnum, Visibil...
[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 import: `parse_quote_spanned`
[INFO] [stdout]  --> src/lib.rs:5:43
[INFO] [stdout]   |
[INFO] [stdout] 5 | use syn::{parse_macro_input, parse_quote, parse_quote_spanned, Expr, Field, FieldMutability, Fields, FieldsUnnamed, ItemEnum, Visibil...
[INFO] [stdout]   |                                           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `b`, `c`, and `d` are never read
[INFO] [stdout]   --> examples/readme.rs:9:9
[INFO] [stdout]    |
[INFO] [stdout]  7 |     A {
[INFO] [stdout]    |     - fields in this struct
[INFO] [stdout]  8 |         pub a: u32,
[INFO] [stdout]  9 |         b: f32,
[INFO] [stdout]    |         ^
[INFO] [stdout] 10 |         c: usize,
[INFO] [stdout]    |         ^
[INFO] [stdout] 11 |         d: String,
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `A` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `foo` is never read
[INFO] [stdout]   --> examples/readme.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     B {
[INFO] [stdout]    |     - field in this struct
[INFO] [stdout] 14 |         foo: String,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `B` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `bar` is never read
[INFO] [stdout]   --> examples/readme.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     C {
[INFO] [stdout]    |     - field in this struct
[INFO] [stdout] 17 |         bar: bool,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `C` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.91s
[INFO] running `Command { std: "docker" "inspect" "354ad0d72f930ddca35e4acaa03e7cb42f9dc67e557d48149fe1ec858c92accd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "354ad0d72f930ddca35e4acaa03e7cb42f9dc67e557d48149fe1ec858c92accd", kill_on_drop: false }`
[INFO] [stdout] 354ad0d72f930ddca35e4acaa03e7cb42f9dc67e557d48149fe1ec858c92accd
