[INFO] fetching crate gcp-vertex-ai-generative-ai 0.1.0...
[INFO] checking gcp-vertex-ai-generative-ai-0.1.0 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate gcp-vertex-ai-generative-ai 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] removed /workspace/builds/worker-1-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-1-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate gcp-vertex-ai-generative-ai 0.1.0
[INFO] finished tweaking crates.io crate gcp-vertex-ai-generative-ai 0.1.0
[INFO] tweaked toml for crates.io crate gcp-vertex-ai-generative-ai 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate gcp-vertex-ai-generative-ai 0.1.0 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 gcp-vertex-ai-generative-ai 0.1.0 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 tokio-rustls v0.24.0
[INFO] [stderr]   Downloaded gcp-vertex-ai-generative-language v0.1.1
[INFO] [stderr]   Downloaded rustls v0.21.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 1beef7f96fb72ab7e102f6e0d5b2afd616d6a0ca574e737356fa77ff936206b4
[INFO] running `Command { std: "docker" "start" "-a" "1beef7f96fb72ab7e102f6e0d5b2afd616d6a0ca574e737356fa77ff936206b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1beef7f96fb72ab7e102f6e0d5b2afd616d6a0ca574e737356fa77ff936206b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1beef7f96fb72ab7e102f6e0d5b2afd616d6a0ca574e737356fa77ff936206b4", kill_on_drop: false }`
[INFO] [stdout] 1beef7f96fb72ab7e102f6e0d5b2afd616d6a0ca574e737356fa77ff936206b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 9b574627ee830c34d77d7e7a0ebc5bbaaa761cce412689379088718c2d60545f
[INFO] running `Command { std: "docker" "start" "-a" "9b574627ee830c34d77d7e7a0ebc5bbaaa761cce412689379088718c2d60545f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.57
[INFO] [stderr]    Compiling quote v1.0.27
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling tokio v1.28.1
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking slab v0.4.8
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.57/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 futures-sink v0.3.28
[INFO] [stderr]    Compiling rustix v0.37.19
[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" "9b574627ee830c34d77d7e7a0ebc5bbaaa761cce412689379088718c2d60545f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b574627ee830c34d77d7e7a0ebc5bbaaa761cce412689379088718c2d60545f", kill_on_drop: false }`
[INFO] [stdout] 9b574627ee830c34d77d7e7a0ebc5bbaaa761cce412689379088718c2d60545f