[INFO] fetching crate pact-proxy-rs 0.0.1...
[INFO] testing pact-proxy-rs-0.0.1 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate pact-proxy-rs 0.0.1 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate pact-proxy-rs 0.0.1
[INFO] finished tweaking crates.io crate pact-proxy-rs 0.0.1
[INFO] tweaked toml for crates.io crate pact-proxy-rs 0.0.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pact-proxy-rs 0.0.1 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate pact-proxy-rs 0.0.1 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" "+caccb4d0368bd918ef6668af8e13834d07040417" "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 tonic v0.8.3
[INFO] [stderr]   Downloaded serde_derive v1.0.152
[INFO] [stderr]   Downloaded tracing-test v0.2.3
[INFO] [stderr]   Downloaded multipart v0.18.0
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[INFO] [stderr]   Downloaded axum-core v0.3.1
[INFO] [stderr]   Downloaded cc v1.0.78
[INFO] [stderr]   Downloaded indextree v4.5.0
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[INFO] [stderr]   Downloaded tonic-build v0.8.4
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[INFO] [stderr]   Downloaded prost-derive v0.11.6
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[INFO] [stderr]   Downloaded tokio v1.24.1
[INFO] [stderr]   Downloaded pact_mock_server v0.9.7
[INFO] [stderr]   Downloaded nom v7.1.2
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[INFO] [stderr]   Downloaded prost-types v0.11.6
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[INFO] [stderr]   Downloaded async-stream v0.3.3
[INFO] [stderr]   Downloaded openssl-sys v0.9.80
[INFO] [stderr]   Downloaded gimli v0.27.0
[INFO] [stderr]   Downloaded pact-plugin-driver v0.2.2
[INFO] [stderr]   Downloaded prost-build v0.11.6
[INFO] [stderr]   Downloaded prettyplease v0.1.23
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[INFO] [stderr]   Downloaded semver v1.0.16
[INFO] [stderr]   Downloaded pact_models v1.0.3
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[INFO] [stderr]   Downloaded prost v0.11.6
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[INFO] [stderr]   Downloaded phf_generator v0.11.1
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[INFO] [stderr]   Downloaded pact_matching v1.0.2
[INFO] [stderr]   Downloaded tracing-test-macro v0.2.3
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 868f8a8f35fdc0312c11de7a9375cabed203e1f9446a084ddd6dd0eb362af0f7
[INFO] running `Command { std: "docker" "start" "-a" "868f8a8f35fdc0312c11de7a9375cabed203e1f9446a084ddd6dd0eb362af0f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "868f8a8f35fdc0312c11de7a9375cabed203e1f9446a084ddd6dd0eb362af0f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "868f8a8f35fdc0312c11de7a9375cabed203e1f9446a084ddd6dd0eb362af0f7", kill_on_drop: false }`
[INFO] [stdout] 868f8a8f35fdc0312c11de7a9375cabed203e1f9446a084ddd6dd0eb362af0f7
[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" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 088d9939b429ff24160fedc04c21ef4e82f115eeeac39b800062b975cd9fd879
[INFO] running `Command { std: "docker" "start" "-a" "088d9939b429ff24160fedc04c21ef4e82f115eeeac39b800062b975cd9fd879", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling once_cell v1.17.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling parking_lot_core v0.9.5
[INFO] [stderr]    Compiling tokio v1.24.1
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling futures-sink v0.3.25
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling itoa v1.0.5
[INFO] [stderr]    Compiling futures-io v0.3.25
[INFO] [stderr]    Compiling anyhow v1.0.68
[INFO] [stderr]    Compiling tracing-core v0.1.30
[INFO] [stderr]    Compiling regex v1.7.0
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling rustversion v1.0.11
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling httpdate v1.0.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.49/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 itertools v0.10.5
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling phf_shared v0.11.1
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling percent-encoding v2.2.0
[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" "088d9939b429ff24160fedc04c21ef4e82f115eeeac39b800062b975cd9fd879", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "088d9939b429ff24160fedc04c21ef4e82f115eeeac39b800062b975cd9fd879", kill_on_drop: false }`
[INFO] [stdout] 088d9939b429ff24160fedc04c21ef4e82f115eeeac39b800062b975cd9fd879