[INFO] fetching crate zrpc-macros 0.7.0-alpha.2...
[INFO] building zrpc-macros-0.7.0-alpha.2 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate zrpc-macros 0.7.0-alpha.2 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate zrpc-macros 0.7.0-alpha.2
[INFO] finished tweaking crates.io crate zrpc-macros 0.7.0-alpha.2
[INFO] tweaked toml for crates.io crate zrpc-macros 0.7.0-alpha.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate zrpc-macros 0.7.0-alpha.2 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate zrpc-macros 0.7.0-alpha.2 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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 zrpc v0.7.0-alpha.1
[INFO] [stderr]   Downloaded zenoh-result v0.7.2-rc
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.85
[INFO] [stderr]   Downloaded zenoh-util v0.7.2-rc
[INFO] [stderr]   Downloaded zenoh-link-commons v0.7.2-rc
[INFO] [stderr]   Downloaded zenoh-protocol v0.7.2-rc
[INFO] [stderr]   Downloaded zenoh-keyexpr v0.7.2-rc
[INFO] [stderr]   Downloaded ringbuffer-spsc v0.1.9
[INFO] [stderr]   Downloaded git-version v0.3.5
[INFO] [stderr]   Downloaded pnet_base v0.33.0
[INFO] [stderr]   Downloaded pnet_packet v0.33.0
[INFO] [stderr]   Downloaded zenoh-link-tcp v0.7.2-rc
[INFO] [stderr]   Downloaded zenoh-macros v0.7.2-rc
[INFO] [stderr]   Downloaded pin-project v1.1.0
[INFO] [stderr]   Downloaded git-version-macro v0.3.5
[INFO] [stderr]   Downloaded syn-serde v0.2.3
[INFO] [stderr]   Downloaded zenoh v0.7.2-rc
[INFO] [stderr]   Downloaded ordered-float v3.7.0
[INFO] [stderr]   Downloaded cache-padded v1.3.0
[INFO] [stderr]   Downloaded zenoh-crypto v0.7.2-rc
[INFO] [stderr]   Downloaded pest_generator v2.6.0
[INFO] [stderr]   Downloaded validated_struct v2.1.0
[INFO] [stderr]   Downloaded web-sys v0.3.62
[INFO] [stderr]   Downloaded tokio v1.28.1
[INFO] [stderr]   Downloaded aes v0.8.2
[INFO] [stderr]   Downloaded async-task v4.4.0
[INFO] [stderr]   Downloaded zenoh-config v0.7.2-rc
[INFO] [stderr]   Downloaded pest v2.6.0
[INFO] [stderr]   Downloaded token-cell v1.5.0
[INFO] [stderr]   Downloaded pin-project-internal v1.1.0
[INFO] [stderr]   Downloaded pnet_macros v0.33.0
[INFO] [stderr]   Downloaded pnet v0.33.0
[INFO] [stderr]   Downloaded pnet_sys v0.33.0
[INFO] [stderr]   Downloaded async-global-executor v2.3.1
[INFO] [stderr]   Downloaded async-process v1.7.0
[INFO] [stderr]   Downloaded zenoh-core v0.7.2-rc
[INFO] [stderr]   Downloaded uhlc v0.6.0
[INFO] [stderr]   Downloaded zenoh-buffers v0.7.2-rc
[INFO] [stderr]   Downloaded js-sys v0.3.62
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.85
[INFO] [stderr]   Downloaded pnet_transport v0.33.0
[INFO] [stderr]   Downloaded linux-raw-sys v0.3.7
[INFO] [stderr]   Downloaded zenoh-plugin-trait v0.7.2-rc
[INFO] [stderr]   Downloaded lz4_flex v0.10.0
[INFO] [stderr]   Downloaded serde_yaml v0.9.21
[INFO] [stderr]   Downloaded zenoh-transport v0.7.2-rc
[INFO] [stderr]   Downloaded unzip-n v0.1.2
[INFO] [stderr]   Downloaded validated_struct_macros v2.1.0
[INFO] [stderr]   Downloaded zenoh-codec v0.7.2-rc
[INFO] [stderr]   Downloaded zenoh-link v0.7.2-rc
[INFO] [stderr]   Downloaded zenoh-sync v0.7.2-rc
[INFO] [stderr]   Downloaded zenoh-collections v0.7.2-rc
[INFO] [stderr]   Downloaded bumpalo v3.12.2
[INFO] [stderr]   Downloaded unsafe-libyaml v0.2.8
[INFO] [stderr]   Downloaded zenoh-link-udp v0.7.2-rc
[INFO] [stderr]   Downloaded pnet_macros_support v0.33.0
[INFO] [stderr]   Downloaded value-bag v1.0.0-alpha.9
[INFO] [stderr]   Downloaded pnet_datalink v0.33.0
[INFO] [stderr]   Downloaded async-executor v1.5.1
[INFO] [stderr]   Downloaded blocking v1.3.1
[INFO] [stderr]   Downloaded uuid v1.3.1
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.85
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.85
[INFO] [stderr]   Downloaded syn v2.0.16
[INFO] [stderr]   Downloaded async-lock v2.7.0
[INFO] [stderr]   Downloaded parking v2.1.0
[INFO] [stderr]   Downloaded keyed-set v0.4.5
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.35
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.85
[INFO] [stderr]   Downloaded zenoh-cfg-properties v0.7.2-rc
[INFO] [stderr]   Downloaded pest_meta v2.6.0
[INFO] [stderr]   Downloaded pest_derive v2.6.0
[INFO] [stderr]   Downloaded concurrent-queue v2.2.0
[INFO] [stderr]   Downloaded async-channel v1.8.0
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a066a2753d2840fb9cebf13e432d9c8c8bffcdb0c35307c1073b80dd7672c3fa
[INFO] running `Command { std: "docker" "start" "-a" "a066a2753d2840fb9cebf13e432d9c8c8bffcdb0c35307c1073b80dd7672c3fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a066a2753d2840fb9cebf13e432d9c8c8bffcdb0c35307c1073b80dd7672c3fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a066a2753d2840fb9cebf13e432d9c8c8bffcdb0c35307c1073b80dd7672c3fa", kill_on_drop: false }`
[INFO] [stdout] a066a2753d2840fb9cebf13e432d9c8c8bffcdb0c35307c1073b80dd7672c3fa
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0322a89e029127614ce779d725dd4fce6dd0e50b1f7ff3feec9127dcc7b5a42
[INFO] running `Command { std: "docker" "start" "-a" "b0322a89e029127614ce779d725dd4fce6dd0e50b1f7ff3feec9127dcc7b5a42", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.9
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling futures-io v0.3.28
[INFO] [stderr]    Compiling anyhow v1.0.71
[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 io-lifetimes v1.0.10
[INFO] [stderr]    Compiling rustix v0.37.19
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling linux-raw-sys v0.3.7
[INFO] [stderr]    Compiling parking v2.1.0
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling async-lock v2.7.0
[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" "b0322a89e029127614ce779d725dd4fce6dd0e50b1f7ff3feec9127dcc7b5a42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0322a89e029127614ce779d725dd4fce6dd0e50b1f7ff3feec9127dcc7b5a42", kill_on_drop: false }`
[INFO] [stdout] b0322a89e029127614ce779d725dd4fce6dd0e50b1f7ff3feec9127dcc7b5a42