[INFO] cloning repository https://github.com/sragss/halo2-bigint-fibonacci
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sragss/halo2-bigint-fibonacci" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsragss%2Fhalo2-bigint-fibonacci", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsragss%2Fhalo2-bigint-fibonacci'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eabf513e368d5a5b01231ad03903f5b995065403
[INFO] building sragss/halo2-bigint-fibonacci/eabf513e368d5a5b01231ad03903f5b995065403 against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsragss%2Fhalo2-bigint-fibonacci" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sragss/halo2-bigint-fibonacci on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sragss/halo2-bigint-fibonacci
[INFO] finished tweaking git repo https://github.com/sragss/halo2-bigint-fibonacci
[INFO] tweaked toml for git repo https://github.com/sragss/halo2-bigint-fibonacci written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sragss/halo2-bigint-fibonacci 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" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/SoraSuegami/halo2_rsa`
[INFO] [stderr]     Updating git repository `https://github.com/privacy-scaling-explorations/halo2`
[INFO] [stderr]     Updating git repository `https://github.com/privacy-scaling-explorations/halo2curves`
[INFO] [stderr]     Updating git repository `https://github.com/privacy-scaling-explorations/halo2wrong`
[INFO] [stderr]     Updating git repository `https://github.com/SoraSuegami/zkevm-circuits.git`
[INFO] [stderr]     Updating git submodule `https://github.com/OpenZeppelin/openzeppelin-contracts`
[INFO] [stderr]     Updating git repository `https://github.com/SoraSuegami/halo2_sha256.git`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 045e9eef775a3f90340b49c2ba5bd403e03ba14a1cc229b1cb9f5818a70c7920
[INFO] running `Command { std: "docker" "start" "-a" "045e9eef775a3f90340b49c2ba5bd403e03ba14a1cc229b1cb9f5818a70c7920", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "045e9eef775a3f90340b49c2ba5bd403e03ba14a1cc229b1cb9f5818a70c7920", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "045e9eef775a3f90340b49c2ba5bd403e03ba14a1cc229b1cb9f5818a70c7920", kill_on_drop: false }`
[INFO] [stdout] 045e9eef775a3f90340b49c2ba5bd403e03ba14a1cc229b1cb9f5818a70c7920
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a4eebad4190a253a485330c1de10fc8c9e74d71f39dd2527508821647c3e7ed
[INFO] running `Command { std: "docker" "start" "-a" "6a4eebad4190a253a485330c1de10fc8c9e74d71f39dd2527508821647c3e7ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.101
[INFO] [stderr]    Compiling libc v0.2.134
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]    Compiling once_cell v1.15.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.46/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 generic-array v0.14.6
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling num-traits v0.2.15
[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" "6a4eebad4190a253a485330c1de10fc8c9e74d71f39dd2527508821647c3e7ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a4eebad4190a253a485330c1de10fc8c9e74d71f39dd2527508821647c3e7ed", kill_on_drop: false }`
[INFO] [stdout] 6a4eebad4190a253a485330c1de10fc8c9e74d71f39dd2527508821647c3e7ed