[INFO] cloning repository https://github.com/r4ai/extism-plugin-system-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/r4ai/extism-plugin-system-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fr4ai%2Fextism-plugin-system-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fr4ai%2Fextism-plugin-system-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8b58aa237aa57d0cdb82729d71de3cd905b4d884
[INFO] checking r4ai/extism-plugin-system-example against master#fc5af1813307d25a84d633f21e2e53c9376eb547 for pr-144386
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fr4ai%2Fextism-plugin-system-example" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/r4ai/extism-plugin-system-example
[INFO] finished tweaking git repo https://github.com/r4ai/extism-plugin-system-example
[INFO] tweaked toml for git repo https://github.com/r4ai/extism-plugin-system-example written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/r4ai/extism-plugin-system-example on toolchain fc5af1813307d25a84d633f21e2e53c9376eb547
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fc5af1813307d25a84d633f21e2e53c9376eb547" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/r4ai/extism-plugin-system-example 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" "+fc5af1813307d25a84d633f21e2e53c9376eb547" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasmtime-wasi v6.0.2
[INFO] [stderr]   Downloaded extism v0.3.0
[INFO] [stderr]   Downloaded wiggle-generate v6.0.2
[INFO] [stderr]   Downloaded extism-runtime v0.3.0
[INFO] [stderr]   Downloaded wiggle v6.0.2
[INFO] [stderr]   Downloaded extism-manifest v0.3.0
[INFO] [stderr]   Downloaded wasmtime-component-util v6.0.2
[INFO] [stderr]   Downloaded wasmtime-wit-bindgen v6.0.2
[INFO] [stderr]   Downloaded wiggle-macro v6.0.2
[INFO] [stderr]   Downloaded wat v1.0.63
[INFO] [stderr]   Downloaded wasmtime-fiber v6.0.2
[INFO] [stderr]   Downloaded wasi-cap-std-sync v6.0.2
[INFO] [stderr]   Downloaded wasmtime-component-macro v6.0.2
[INFO] [stderr]   Downloaded wast v57.0.0
[INFO] [stderr]   Downloaded wasi-common v6.0.2
[INFO] [stderr]   Downloaded cbindgen v0.24.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+fc5af1813307d25a84d633f21e2e53c9376eb547" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5653e80a6825ed9388069c52d99efa1e22eabadd877f27df9dade96eb90b7a46
[INFO] running `Command { std: "docker" "start" "-a" "5653e80a6825ed9388069c52d99efa1e22eabadd877f27df9dade96eb90b7a46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5653e80a6825ed9388069c52d99efa1e22eabadd877f27df9dade96eb90b7a46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5653e80a6825ed9388069c52d99efa1e22eabadd877f27df9dade96eb90b7a46", kill_on_drop: false }`
[INFO] [stdout] 5653e80a6825ed9388069c52d99efa1e22eabadd877f27df9dade96eb90b7a46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+fc5af1813307d25a84d633f21e2e53c9376eb547" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85b2d248b2c3205a08bb7d902f898d49008288ea41c4ef703f532d02d48e3a55
[INFO] running `Command { std: "docker" "start" "-a" "85b2d248b2c3205a08bb7d902f898d49008288ea41c4ef703f532d02d48e3a55", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]    Compiling rustix v0.37.18
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking linux-raw-sys v0.3.6
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling target-lexicon v0.12.7
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.56/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 crc32fast v1.3.2
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling cranelift-isle v0.93.2
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling rustix v0.36.13
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.93.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.93.2
[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" "85b2d248b2c3205a08bb7d902f898d49008288ea41c4ef703f532d02d48e3a55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85b2d248b2c3205a08bb7d902f898d49008288ea41c4ef703f532d02d48e3a55", kill_on_drop: false }`
[INFO] [stdout] 85b2d248b2c3205a08bb7d902f898d49008288ea41c4ef703f532d02d48e3a55