[INFO] fetching crate unflow 0.1.1...
[INFO] checking unflow-0.1.1 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate unflow 0.1.1 into /workspace/builds/worker-48/source
[INFO] validating manifest of crates.io crate unflow 0.1.1 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-48/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate unflow 0.1.1
[INFO] finished tweaking crates.io crate unflow 0.1.1
[INFO] tweaked toml for crates.io crate unflow 0.1.1 written to /workspace/builds/worker-48/source/Cargo.toml
[INFO] crate crates.io crate unflow 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c06d556663c4dc0d4b6b58cd8918b2ad266f4a1c768bbcb83304567f1efa2de
[INFO] running `Command { std: "docker" "start" "-a" "5c06d556663c4dc0d4b6b58cd8918b2ad266f4a1c768bbcb83304567f1efa2de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c06d556663c4dc0d4b6b58cd8918b2ad266f4a1c768bbcb83304567f1efa2de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c06d556663c4dc0d4b6b58cd8918b2ad266f4a1c768bbcb83304567f1efa2de", kill_on_drop: false }`
[INFO] [stdout] 5c06d556663c4dc0d4b6b58cd8918b2ad266f4a1c768bbcb83304567f1efa2de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76387c613d5734b6ed3380a1e0938e0f659764175fa9d6bd9b86c36affdf574f
[INFO] running `Command { std: "docker" "start" "-a" "76387c613d5734b6ed3380a1e0938e0f659764175fa9d6bd9b86c36affdf574f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]     Checking futures-sink v0.3.15
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking typed-arena v2.0.1
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking tinyvec v1.2.0
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking murmur3 v0.4.1
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling const-random-macro v0.1.13
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking const-random v0.1.13
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking dashmap v3.11.10
[INFO] [stderr]    Compiling serde_repr v0.1.6
[INFO] [stderr]    Compiling better_typeid_derive v0.1.1
[INFO] [stderr]    Compiling auto_impl v0.4.1
[INFO] [stderr]    Compiling tower-lsp-macros v0.3.0
[INFO] [stderr]     Checking better_any v0.1.1
[INFO] [stderr]     Checking antlr-rust v0.2.0
[INFO] [stdout] error[E0635]: unknown feature `raw`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/antlr-rust-0.2.0/src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(raw)]
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `antlr-rust` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "76387c613d5734b6ed3380a1e0938e0f659764175fa9d6bd9b86c36affdf574f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76387c613d5734b6ed3380a1e0938e0f659764175fa9d6bd9b86c36affdf574f", kill_on_drop: false }`
[INFO] [stdout] 76387c613d5734b6ed3380a1e0938e0f659764175fa9d6bd9b86c36affdf574f