[INFO] fetching crate wasmut 0.6.0...
[INFO] checking wasmut-0.6.0 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate wasmut 0.6.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate wasmut 0.6.0
[INFO] finished tweaking crates.io crate wasmut 0.6.0
[INFO] tweaked toml for crates.io crate wasmut 0.6.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate wasmut 0.6.0 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate wasmut 0.6.0 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasmer-wit-bindgen-gen-core v0.1.1
[INFO] [stderr]   Downloaded wasmer-wit-bindgen-rust-impl v0.1.1
[INFO] [stderr]   Downloaded wasmer-wit-bindgen-rust v0.1.1
[INFO] [stderr]   Downloaded wasmer-wit-bindgen-gen-rust v0.1.1
[INFO] [stderr]   Downloaded wasmer-wit-bindgen-gen-rust-wasm v0.1.1
[INFO] [stderr]   Downloaded wasmer-wit-parser v0.1.1
[INFO] [stderr]   Downloaded cranelift-bforest v0.86.1
[INFO] [stderr]   Downloaded wasmer-wasi-types v3.1.1
[INFO] [stderr]   Downloaded plist v1.4.0
[INFO] [stderr]   Downloaded dyn-clone v1.0.10
[INFO] [stderr]   Downloaded wasm-bindgen-downcast-macros v0.1.1
[INFO] [stderr]   Downloaded wasmer-vnet v3.1.1
[INFO] [stderr]   Downloaded rend v0.3.6
[INFO] [stderr]   Downloaded wasmer v3.1.1
[INFO] [stderr]   Downloaded atomic-counter v1.0.1
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.86.1
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.88
[INFO] [stderr]   Downloaded cxx-build v1.0.88
[INFO] [stderr]   Downloaded regalloc2 v0.3.2
[INFO] [stderr]   Downloaded wasmer-compiler-singlepass v3.1.1
[INFO] [stderr]   Downloaded toml_edit v0.19.0
[INFO] [stderr]   Downloaded wasmparser v0.57.0
[INFO] [stderr]   Downloaded corosensei v0.1.3
[INFO] [stderr]   Downloaded wasmer-types v3.1.1
[INFO] [stderr]   Downloaded toml_datetime v0.6.0
[INFO] [stderr]   Downloaded bytecheck v0.6.9
[INFO] [stderr]   Downloaded rkyv_derive v0.7.39
[INFO] [stderr]   Downloaded wasmer-compiler v3.1.1
[INFO] [stderr]   Downloaded wasmer-compiler-cranelift v3.1.1
[INFO] [stderr]   Downloaded cpp_demangle v0.4.0
[INFO] [stderr]   Downloaded wasmer-vm v3.1.1
[INFO] [stderr]   Downloaded cranelift-codegen v0.86.1
[INFO] [stderr]   Downloaded wasmer-wasi v3.1.1
[INFO] [stderr]   Downloaded wat v1.0.56
[INFO] [stderr]   Downloaded syntect v5.0.0
[INFO] [stderr]   Downloaded target-lexicon v0.12.5
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.88
[INFO] [stderr]   Downloaded toml v0.7.0
[INFO] [stderr]   Downloaded wasmer-middlewares v3.1.1
[INFO] [stderr]   Downloaded wasmer-vbus v3.1.1
[INFO] [stderr]   Downloaded wasmer-vfs v3.1.1
[INFO] [stderr]   Downloaded cranelift-entity v0.86.1
[INFO] [stderr]   Downloaded cranelift-isle v0.86.1
[INFO] [stderr]   Downloaded cranelift-frontend v0.86.1
[INFO] [stderr]   Downloaded rkyv v0.7.39
[INFO] [stderr]   Downloaded cxx v1.0.88
[INFO] [stderr]   Downloaded wasm-encoder v0.22.0
[INFO] [stderr]   Downloaded wasmparser v0.83.0
[INFO] [stderr]   Downloaded region v3.0.0
[INFO] [stderr]   Downloaded bytecheck_derive v0.6.9
[INFO] [stderr]   Downloaded wasm-bindgen-downcast v0.1.1
[INFO] [stderr]   Downloaded async-trait v0.1.64
[INFO] [stderr]   Downloaded serde_spanned v0.6.0
[INFO] [stderr]   Downloaded wasmer-wasi-local-networking v3.1.1
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.86.1
[INFO] [stderr]   Downloaded wasmer-derive v3.1.1
[INFO] [stderr]   Downloaded wasmut-wasm v0.46.0
[INFO] [stderr]   Downloaded wast v52.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55b76bce6b38f79b76e590e2e3cc7eb96ade6291ac744d1760a0e1078d933914
[INFO] running `Command { std: "docker" "start" "-a" "55b76bce6b38f79b76e590e2e3cc7eb96ade6291ac744d1760a0e1078d933914", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55b76bce6b38f79b76e590e2e3cc7eb96ade6291ac744d1760a0e1078d933914", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55b76bce6b38f79b76e590e2e3cc7eb96ade6291ac744d1760a0e1078d933914", kill_on_drop: false }`
[INFO] [stdout] 55b76bce6b38f79b76e590e2e3cc7eb96ade6291ac744d1760a0e1078d933914
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 229950a3980e332d1faefcb7b87516488cadf0f7f90656ea9f87186e040963a8
[INFO] running `Command { std: "docker" "start" "-a" "229950a3980e332d1faefcb7b87516488cadf0f7f90656ea9f87186e040963a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]     Checking once_cell v1.17.0
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling anyhow v1.0.68
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.50/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]     Checking crc32fast v1.3.2
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling bytecheck v0.6.9
[INFO] [stderr]    Compiling target-lexicon v0.12.5
[INFO] [stderr]     Checking flate2 v1.0.25
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[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 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "229950a3980e332d1faefcb7b87516488cadf0f7f90656ea9f87186e040963a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "229950a3980e332d1faefcb7b87516488cadf0f7f90656ea9f87186e040963a8", kill_on_drop: false }`
[INFO] [stdout] 229950a3980e332d1faefcb7b87516488cadf0f7f90656ea9f87186e040963a8