[INFO] cloning repository https://github.com/0xbok/proof-cex
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0xbok/proof-cex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xbok%2Fproof-cex", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xbok%2Fproof-cex'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 40341f46d1f645b77f12643621f44213b3a325cd
[INFO] checking 0xbok/proof-cex against master#3350c1eb3fd8fe1bee1ed4c76944d707bd256876 for pr-140558
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xbok%2Fproof-cex" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/0xbok/proof-cex on toolchain 3350c1eb3fd8fe1bee1ed4c76944d707bd256876
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3350c1eb3fd8fe1bee1ed4c76944d707bd256876" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/0xbok/proof-cex
[INFO] finished tweaking git repo https://github.com/0xbok/proof-cex
[INFO] tweaked toml for git repo https://github.com/0xbok/proof-cex written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/0xbok/proof-cex 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" "+3350c1eb3fd8fe1bee1ed4c76944d707bd256876" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/privacy-scaling-explorations/halo2.git`
[INFO] [stderr]     Updating git repository `https://github.com/privacy-scaling-explorations/halo2curves`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded derive_builder v0.9.0
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.85
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.85
[INFO] [stderr]   Downloaded criterion-plot v0.4.5
[INFO] [stderr]   Downloaded derive_builder_core v0.9.0
[INFO] [stderr]   Downloaded pasta_curves v0.4.1
[INFO] [stderr]   Downloaded tabbycat v0.1.2
[INFO] [stderr]   Downloaded serde_cbor v0.11.2
[INFO] [stderr]   Downloaded serde v1.0.151
[INFO] [stderr]   Downloaded criterion v0.3.6
[INFO] [stderr]   Downloaded cxx-build v1.0.85
[INFO] [stderr]   Downloaded rayon v1.6.1
[INFO] [stderr]   Downloaded pest v2.5.1
[INFO] [stderr]   Downloaded serde_derive v1.0.151
[INFO] [stderr]   Downloaded pasta_curves v0.5.1
[INFO] [stderr]   Downloaded libc v0.2.138
[INFO] [stderr]   Downloaded cxx v1.0.85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+3350c1eb3fd8fe1bee1ed4c76944d707bd256876" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 504bdc58ebd5c0b2840c51710e3f72268173e3700484b4e7deb006440f9d1c4a
[INFO] running `Command { std: "docker" "start" "-a" "504bdc58ebd5c0b2840c51710e3f72268173e3700484b4e7deb006440f9d1c4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "504bdc58ebd5c0b2840c51710e3f72268173e3700484b4e7deb006440f9d1c4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "504bdc58ebd5c0b2840c51710e3f72268173e3700484b4e7deb006440f9d1c4a", kill_on_drop: false }`
[INFO] [stdout] 504bdc58ebd5c0b2840c51710e3f72268173e3700484b4e7deb006440f9d1c4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+3350c1eb3fd8fe1bee1ed4c76944d707bd256876" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 153cd4756b08364ec04ac22d07b40d1ad7cf6462c13c8f85c0da1cd00120398d
[INFO] running `Command { std: "docker" "start" "-a" "153cd4756b08364ec04ac22d07b40d1ad7cf6462c13c8f85c0da1cd00120398d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]     Checking once_cell v1.16.0
[INFO] [stderr]    Compiling serde v1.0.151
[INFO] [stderr]     Checking blake2b_simd v1.0.0
[INFO] [stderr]     Checking num-rational v0.4.1
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]    Compiling rayon-core v1.10.1
[INFO] [stderr]     Checking bytemuck v1.12.3
[INFO] [stderr]     Checking yeslogic-fontconfig-sys v3.2.0
[INFO] [stderr]    Compiling anyhow v1.0.68
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking plotters-svg v0.3.3
[INFO] [stderr]     Checking ryu v1.0.12
[INFO] [stderr]    Compiling halo2curves v0.2.1 (https://github.com/privacy-scaling-explorations/halo2curves?tag=0.3.0#83c72d49)
[INFO] [stderr]     Checking ttf-parser v0.15.2
[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]     Checking image v0.24.5
[INFO] [stderr]    Compiling serde_json v1.0.91
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling halo2curves v0.3.2 (https://github.com/privacy-scaling-explorations/halo2curves?tag=0.3.2#9f5c5081)
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling serde_derive v1.0.151
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling cmake v0.1.49
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking half v1.8.2
[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" "153cd4756b08364ec04ac22d07b40d1ad7cf6462c13c8f85c0da1cd00120398d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "153cd4756b08364ec04ac22d07b40d1ad7cf6462c13c8f85c0da1cd00120398d", kill_on_drop: false }`
[INFO] [stdout] 153cd4756b08364ec04ac22d07b40d1ad7cf6462c13c8f85c0da1cd00120398d
