[INFO] fetching crate brush_lang 1.8.0...
[INFO] checking brush_lang-1.8.0 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate brush_lang 1.8.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate brush_lang 1.8.0 on toolchain 80399064afa4a2cd153f30d02c25f7ea0383ed65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate brush_lang 1.8.0
[INFO] finished tweaking crates.io crate brush_lang 1.8.0
[INFO] tweaked toml for crates.io crate brush_lang 1.8.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ink_env v3.4.0
[INFO] [stderr]   Downloaded ink_primitives v3.4.0
[INFO] [stderr]   Downloaded rlibc v1.0.0
[INFO] [stderr]   Downloaded ink_metadata v3.4.0
[INFO] [stderr]   Downloaded ink_storage v3.4.0
[INFO] [stderr]   Downloaded ink_prelude v3.4.0
[INFO] [stderr]   Downloaded ink_engine v3.4.0
[INFO] [stderr]   Downloaded unwrap v1.2.1
[INFO] [stderr]   Downloaded brush_lang_macro v1.8.0
[INFO] [stderr]   Downloaded ink_storage_derive v3.4.0
[INFO] [stderr]   Downloaded cargo-platform v0.1.8
[INFO] [stderr]   Downloaded brush_lang_codegen v1.8.0
[INFO] [stderr]   Downloaded blake2 v0.9.2
[INFO] [stderr]   Downloaded ink_lang_codegen v3.4.0
[INFO] [stderr]   Downloaded ink_lang_ir v3.4.0
[INFO] [stderr]   Downloaded ink_lang_macro v3.4.0
[INFO] [stderr]   Downloaded ink_lang v3.4.0
[INFO] [stderr]   Downloaded array-init v2.1.0
[INFO] [stderr]   Downloaded ink_allocator v3.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c0acca002f5317c9b2663fd4805b93a9c00d67469d615fa7401294ee62833ade
[INFO] running `Command { std: "docker" "start" "-a" "c0acca002f5317c9b2663fd4805b93a9c00d67469d615fa7401294ee62833ade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0acca002f5317c9b2663fd4805b93a9c00d67469d615fa7401294ee62833ade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0acca002f5317c9b2663fd4805b93a9c00d67469d615fa7401294ee62833ade", kill_on_drop: false }`
[INFO] [stdout] c0acca002f5317c9b2663fd4805b93a9c00d67469d615fa7401294ee62833ade
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 186599ab06842490bb029d4b557c749b59e8e7a5fd4a95bb065f6d9b47aa48a4
[INFO] running `Command { std: "docker" "start" "-a" "186599ab06842490bb029d4b557c749b59e8e7a5fd4a95bb065f6d9b47aa48a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling toml_datetime v0.6.3
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling subtle v2.5.0
[INFO] [stderr]     Checking byte-slice-cast v1.2.2
[INFO] [stderr]    Compiling secp256k1-sys v0.6.1
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling pest v2.7.8
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]     Checking ink_prelude v3.4.0
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]    Compiling toml_edit v0.20.2
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling camino v1.1.6
[INFO] [stderr]    Compiling blake2 v0.10.6
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]     Checking impl-serde v0.3.2
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]     Checking ink_allocator v3.4.0
[INFO] [stderr]    Compiling opaque-debug v0.3.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking arrayref v0.3.7
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]    Compiling blake2 v0.9.2
[INFO] [stderr]    Compiling proc-macro-crate v2.0.2
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling cargo-platform v0.1.8
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking secp256k1 v0.24.3
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]     Checking array-init v2.1.0
[INFO] [stderr]    Compiling unwrap v1.2.1
[INFO] [stderr]    Compiling ink_lang_ir v3.4.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling cargo_metadata v0.13.1
[INFO] [stderr]    Compiling parity-scale-codec-derive v3.6.9
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.2
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling scale-info-derive v2.11.0
[INFO] [stderr]    Compiling ink_storage_derive v3.4.0
[INFO] [stderr]    Compiling brush_lang_codegen v1.8.0
[INFO] [stdout] error[E0635]: unknown feature `drain_filter`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/brush_lang_codegen-1.8.0/src/lib.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | #![feature(drain_filter)]
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `drain_filter` found for mutable reference `&mut Vec<Attribute>` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/brush_lang_codegen-1.8.0/src/internal.rs:303:11
[INFO] [stdout]     |
[INFO] [stdout] 303 |     attrs.drain_filter(|attr| is_attr(&vec![attr.clone()], ident)).collect()
[INFO] [stdout]     |           ^^^^^^^^^^^^ method not found in `&mut Vec<Attribute>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `brush_lang_codegen` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "186599ab06842490bb029d4b557c749b59e8e7a5fd4a95bb065f6d9b47aa48a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "186599ab06842490bb029d4b557c749b59e8e7a5fd4a95bb065f6d9b47aa48a4", kill_on_drop: false }`
[INFO] [stdout] 186599ab06842490bb029d4b557c749b59e8e7a5fd4a95bb065f6d9b47aa48a4
