[INFO] fetching crate worker-plus-build 0.0.9...
[INFO] checking worker-plus-build-0.0.9 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate worker-plus-build 0.0.9 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate worker-plus-build 0.0.9 on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate worker-plus-build 0.0.9
[INFO] finished tweaking crates.io crate worker-plus-build 0.0.9
[INFO] tweaked toml for crates.io crate worker-plus-build 0.0.9 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate worker-plus-build 0.0.9 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" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wit-walrus v0.6.0
[INFO] [stderr]   Downloaded wit-schema-version v0.1.0
[INFO] [stderr]   Downloaded wit-writer v0.2.0
[INFO] [stderr]   Downloaded wasm-bindgen-wasm-conventions v0.2.83
[INFO] [stderr]   Downloaded wit-text v0.8.0
[INFO] [stderr]   Downloaded walrus v0.19.0
[INFO] [stderr]   Downloaded wasm-bindgen-externref-xform v0.2.83
[INFO] [stderr]   Downloaded ureq v2.6.1
[INFO] [stderr]   Downloaded wast v21.0.0
[INFO] [stderr]   Downloaded wasmparser v0.77.0
[INFO] [stderr]   Downloaded wasm-bindgen-cli-support v0.2.83
[INFO] [stderr]   Downloaded wasm-bindgen-multi-value-xform v0.2.83
[INFO] [stderr]   Downloaded wasm-bindgen-threads-xform v0.2.83
[INFO] [stderr]   Downloaded wasm-bindgen-wasm-interpreter v0.2.83
[INFO] [stderr]   Downloaded wit-validator v0.2.1
[INFO] [stderr]   Downloaded wit-parser v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7252e1d3ae8c7e08d25e407377ace3b5cc95436d1cd971423b5636447ef085ab
[INFO] running `Command { std: "docker" "start" "-a" "7252e1d3ae8c7e08d25e407377ace3b5cc95436d1cd971423b5636447ef085ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7252e1d3ae8c7e08d25e407377ace3b5cc95436d1cd971423b5636447ef085ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7252e1d3ae8c7e08d25e407377ace3b5cc95436d1cd971423b5636447ef085ab", kill_on_drop: false }`
[INFO] [stdout] 7252e1d3ae8c7e08d25e407377ace3b5cc95436d1cd971423b5636447ef085ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea0d9511789b500336e254b02ab4b2f5245e843af89df148f3cd9e0f0cec6486
[INFO] running `Command { std: "docker" "start" "-a" "ea0d9511789b500336e254b02ab4b2f5245e843af89df148f3cd9e0f0cec6486", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling anyhow v1.0.68
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]    Compiling unicode-segmentation v1.10.0
[INFO] [stderr]     Checking wasmparser v0.77.0
[INFO] [stderr]     Checking once_cell v1.17.0
[INFO] [stderr]     Checking wit-schema-version v0.1.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.49/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stdout] error: aborting due to 1 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 `proc-macro2` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ea0d9511789b500336e254b02ab4b2f5245e843af89df148f3cd9e0f0cec6486", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea0d9511789b500336e254b02ab4b2f5245e843af89df148f3cd9e0f0cec6486", kill_on_drop: false }`
[INFO] [stdout] ea0d9511789b500336e254b02ab4b2f5245e843af89df148f3cd9e0f0cec6486