[INFO] fetching crate protos 0.1.30...
[INFO] testing protos-0.1.30 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate protos 0.1.30 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate protos 0.1.30
[INFO] finished tweaking crates.io crate protos 0.1.30
[INFO] tweaked toml for crates.io crate protos 0.1.30 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate protos 0.1.30 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate protos 0.1.30 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sha2 v0.10.6
[INFO] [stderr]   Downloaded zeroize_derive v1.3.3
[INFO] [stderr]   Downloaded proc-macro2 v1.0.50
[INFO] [stderr]   Downloaded sp-externalities v0.17.0
[INFO] [stderr]   Downloaded hash-db v0.15.2
[INFO] [stderr]   Downloaded unicode-xid v0.2.3
[INFO] [stderr]   Downloaded futures-executor v0.3.26
[INFO] [stderr]   Downloaded dyn-clone v1.0.10
[INFO] [stderr]   Downloaded array-bytes v4.2.0
[INFO] [stderr]   Downloaded futures v0.3.26
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[INFO] [stderr]   Downloaded wasmtime-environ v1.0.2
[INFO] [stderr]   Downloaded serde_json v1.0.91
[INFO] [stderr]   Downloaded cpp_demangle v0.3.5
[INFO] [stderr]   Downloaded wasmtime v1.0.2
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[INFO] [stderr]   Downloaded bitvec v1.0.0
[INFO] [stderr]   Downloaded rustix v0.35.13
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[INFO] [stderr]   Downloaded generic-array v0.14.6
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[INFO] [stderr]   Downloaded cranelift-entity v0.88.2
[INFO] [stderr]   Downloaded ref-cast v1.0.14
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[INFO] [stderr]   Downloaded digest v0.10.6
[INFO] [stderr]   Downloaded futures-io v0.3.26
[INFO] [stderr]   Downloaded futures-macro v0.3.26
[INFO] [stderr]   Downloaded sp-runtime-interface-proc-macro v8.0.0
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[INFO] [stderr]   Downloaded psm v0.1.21
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[INFO] [stderr]   Downloaded sp-runtime-interface v12.0.0
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[INFO] [stderr]   Downloaded substrate-bip39 v0.4.4
[INFO] [stderr]   Downloaded thiserror v1.0.31
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[INFO] [stderr]   Downloaded matchers v0.0.1
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[INFO] [stderr]   Downloaded sp-wasm-interface v9.0.0
[INFO] [stderr]   Downloaded wasmparser v0.89.1
[INFO] [stderr]   Downloaded byte-slice-cast v1.2.1
[INFO] [stderr]   Downloaded sp-debug-derive v6.0.0
[INFO] [stderr]   Downloaded block-buffer v0.7.3
[INFO] [stderr]   Downloaded sha3 v0.10.6
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce650b2233585a6f9878a25257a7687b4ee855827504871aa8fae8eb4114d79b
[INFO] running `Command { std: "docker" "start" "-a" "ce650b2233585a6f9878a25257a7687b4ee855827504871aa8fae8eb4114d79b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce650b2233585a6f9878a25257a7687b4ee855827504871aa8fae8eb4114d79b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce650b2233585a6f9878a25257a7687b4ee855827504871aa8fae8eb4114d79b", kill_on_drop: false }`
[INFO] [stdout] ce650b2233585a6f9878a25257a7687b4ee855827504871aa8fae8eb4114d79b
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 864aea94689f62124a8174e3501ef6d5bed2ad2d0b94c00ecd2befd3ac7b3253
[INFO] running `Command { std: "docker" "start" "-a" "864aea94689f62124a8174e3501ef6d5bed2ad2d0b94c00ecd2befd3ac7b3253", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.91
[INFO] [stderr]    Compiling byte-slice-cast v1.2.1
[INFO] [stderr]    Compiling funty v2.0.0
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling itoa v1.0.5
[INFO] [stderr]    Compiling ryu v1.0.12
[INFO] [stderr]    Compiling wyz v0.5.0
[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]    Compiling bitvec v1.0.0
[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" "864aea94689f62124a8174e3501ef6d5bed2ad2d0b94c00ecd2befd3ac7b3253", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "864aea94689f62124a8174e3501ef6d5bed2ad2d0b94c00ecd2befd3ac7b3253", kill_on_drop: false }`
[INFO] [stdout] 864aea94689f62124a8174e3501ef6d5bed2ad2d0b94c00ecd2befd3ac7b3253