[INFO] fetching crate rust_observer_trace_macro 0.1.1...
[INFO] testing rust_observer_trace_macro-0.1.1 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate rust_observer_trace_macro 0.1.1 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate rust_observer_trace_macro 0.1.1
[INFO] finished tweaking crates.io crate rust_observer_trace_macro 0.1.1
[INFO] tweaked toml for crates.io crate rust_observer_trace_macro 0.1.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust_observer_trace_macro 0.1.1 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "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" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 42 packages to highest compatible versions
[INFO] [stderr]       Adding syn v2.0.119 (available: v3.0.9)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] ae7993a7ebf5e0807c30f2434eb051aee48f6aa702786d6c8b6731122a327d1d
[INFO] running `Command { std: "docker" "start" "ae7993a7ebf5e0807c30f2434eb051aee48f6aa702786d6c8b6731122a327d1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae7993a7ebf5e0807c30f2434eb051aee48f6aa702786d6c8b6731122a327d1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ae7993a7ebf5e0807c30f2434eb051aee48f6aa702786d6c8b6731122a327d1d" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae7993a7ebf5e0807c30f2434eb051aee48f6aa702786d6c8b6731122a327d1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ae7993a7ebf5e0807c30f2434eb051aee48f6aa702786d6c8b6731122a327d1d" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v3.0.9
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling smallvec v1.16.3
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling pin-project-lite v0.2.17
[INFO] [stderr]    Compiling mio v1.2.4
[INFO] [stderr]    Compiling socket2 v0.6.5
[INFO] [stderr]    Compiling bytes v1.12.1
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling slab v0.4.12
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling futures-core v0.3.34
[INFO] [stderr]    Compiling futures-task v0.3.34
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling log v0.4.34
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling tokio-macros v2.7.2
[INFO] [stderr]    Compiling futures-macro v0.3.34
[INFO] [stderr]    Compiling tokio v1.53.3
[INFO] [stderr]    Compiling futures-util v0.3.34
[INFO] [stderr]    Compiling rust_observer_trace_macro v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved imports `syn::ItemFn`, `syn::FnArg`, `syn::PatType`, `syn::Signature`
[INFO] [stdout]    --> src/lib.rs:3:30
[INFO] [stdout]     |
[INFO] [stdout]   3 | use syn::{parse_macro_input, ItemFn, FnArg, PatType, Ident, Signature, Type};
[INFO] [stdout]     |                              ^^^^^^  ^^^^^  ^^^^^^^         ^^^^^^^^^ no `Signature` in the root
[INFO] [stdout]     |                              |       |      |
[INFO] [stdout]     |                              |       |      no `PatType` in the root
[INFO] [stdout]     |                              |       no `FnArg` in the root
[INFO] [stdout]     |                              no `ItemFn` in the root
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.119/src/lib.rs:432:43
[INFO] [stdout]     |
[INFO] [stdout] 427 | #[cfg(feature = "full")]
[INFO] [stdout]     |       ---------------- the item is gated behind the `full` feature
[INFO] [stdout] ...
[INFO] [stdout] 432 |     ItemConst, ItemEnum, ItemExternCrate, ItemFn, ItemForeignMod, ItemImpl, ItemMacro, ItemMod,
[INFO] [stdout]     |                                           ^^^^^^
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.119/src/lib.rs:430:5
[INFO] [stdout]     |
[INFO] [stdout] 427 | #[cfg(feature = "full")]
[INFO] [stdout]     |       ---------------- the item is gated behind the `full` feature
[INFO] [stdout] ...
[INFO] [stdout] 430 |     FnArg, ForeignItem, ForeignItemFn, ForeignItemMacro, ForeignItemStatic, ForeignItemType,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.119/src/lib.rs:488:75
[INFO] [stdout]     |
[INFO] [stdout] 484 | #[cfg(feature = "full")]
[INFO] [stdout]     |       ---------------- the item is gated behind the `full` feature
[INFO] [stdout] ...
[INFO] [stdout] 488 |     PatReference, PatRest, PatSlice, PatStruct, PatTuple, PatTupleStruct, PatType, PatWild,
[INFO] [stdout]     |                                                                           ^^^^^^^
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.119/src/lib.rs:434:5
[INFO] [stdout]     |
[INFO] [stdout] 427 | #[cfg(feature = "full")]
[INFO] [stdout]     |       ---------------- the item is gated behind the `full` feature
[INFO] [stdout] ...
[INFO] [stdout] 434 |     Signature, StaticMutability, TraitItem, TraitItemConst, TraitItemFn, TraitItemMacro,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find `Pat` in `syn`
[INFO] [stdout]    --> src/lib.rs:19:33
[INFO] [stdout]     |
[INFO] [stdout]  19 |                     if let syn::Pat::Ident(pat_ident) = &*pat_type.pat {
[INFO] [stdout]     |                                 ^^^ could not find `Pat` in `syn`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.119/src/lib.rs:487:15
[INFO] [stdout]     |
[INFO] [stdout] 484 | #[cfg(feature = "full")]
[INFO] [stdout]     |       ---------------- the item is gated behind the `full` feature
[INFO] [stdout] ...
[INFO] [stdout] 487 |     FieldPat, Pat, PatConst, PatIdent, PatLit, PatMacro, PatOr, PatParen, PatPath, PatRange,
[INFO] [stdout]     |               ^^^
[INFO] [stdout] help: a struct with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout]  19 |                     if let syn::Path::Ident(pat_ident) = &*pat_type.pat {
[INFO] [stdout]     |                                    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_observer_trace_macro` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "ae7993a7ebf5e0807c30f2434eb051aee48f6aa702786d6c8b6731122a327d1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae7993a7ebf5e0807c30f2434eb051aee48f6aa702786d6c8b6731122a327d1d", kill_on_drop: false }`
[INFO] [stdout] ae7993a7ebf5e0807c30f2434eb051aee48f6aa702786d6c8b6731122a327d1d
