[INFO] fetching crate structecs 0.4.0...
[INFO] testing structecs-0.4.0 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate structecs 0.4.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate structecs 0.4.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate structecs 0.4.0
[INFO] tweaked toml for crates.io crate structecs 0.4.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate structecs 0.4.0 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] crate crates.io crate structecs 0.4.0 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structecs-macros v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 2cc0a645b18666eb8b16f39b38e694932c7b9fc3a0211b891d0bfcf57f4b8fce
[INFO] running `Command { std: "docker" "start" "2cc0a645b18666eb8b16f39b38e694932c7b9fc3a0211b891d0bfcf57f4b8fce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2cc0a645b18666eb8b16f39b38e694932c7b9fc3a0211b891d0bfcf57f4b8fce", 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" "2cc0a645b18666eb8b16f39b38e694932c7b9fc3a0211b891d0bfcf57f4b8fce" "/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" "2cc0a645b18666eb8b16f39b38e694932c7b9fc3a0211b891d0bfcf57f4b8fce", 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" "2cc0a645b18666eb8b16f39b38e694932c7b9fc3a0211b891d0bfcf57f4b8fce" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling inventory v0.3.21
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling structecs-macros v0.4.0
[INFO] [stderr]    Compiling structecs v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no associated function or constant named `IDENTIFIER` found for type parameter `Target` in the current scope
[INFO] [stdout]    --> src/extractable.rs:102:30
[INFO] [stdout]     |
[INFO] [stdout] 100 |     pub const fn is_has<List: Extractable, Target: Extractable>() -> bool {
[INFO] [stdout]     |                                            ------ associated function or constant `IDENTIFIER` not found for this type parameter
[INFO] [stdout] 101 |         let list = List::METADATA_LIST;
[INFO] [stdout] 102 |         let target = Target::IDENTIFIER;
[INFO] [stdout]     |                              ^^^^^^^^^^ associated function or constant not found in `Target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `has_val` found for enum `ExtractionMetadata` in the current scope
[INFO] [stdout]    --> src/extractable.rs:105:26
[INFO] [stdout]     |
[INFO] [stdout]  40 | pub enum ExtractionMetadata {
[INFO] [stdout]     | --------------------------- method `has_val` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 105 |             if list[idx].has_val(target) {
[INFO] [stdout]     |                          ^^^^^^^ method not found in `ExtractionMetadata`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `structecs` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "2cc0a645b18666eb8b16f39b38e694932c7b9fc3a0211b891d0bfcf57f4b8fce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cc0a645b18666eb8b16f39b38e694932c7b9fc3a0211b891d0bfcf57f4b8fce", kill_on_drop: false }`
[INFO] [stdout] 2cc0a645b18666eb8b16f39b38e694932c7b9fc3a0211b891d0bfcf57f4b8fce
