[INFO] cloning repository https://github.com/0xbok/r1cs-halo2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0xbok/r1cs-halo2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xbok%2Fr1cs-halo2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xbok%2Fr1cs-halo2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5dc1db0f4af1ba95d2c4bfc82e2077e79ae2754f
[INFO] checking 0xbok/r1cs-halo2 against master#d5419f1e97b90741d51841f800d3c697c662567d for pr-147565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xbok%2Fr1cs-halo2" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/0xbok/r1cs-halo2
[INFO] finished tweaking git repo https://github.com/0xbok/r1cs-halo2
[INFO] tweaked toml for git repo https://github.com/0xbok/r1cs-halo2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/0xbok/r1cs-halo2 on toolchain d5419f1e97b90741d51841f800d3c697c662567d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d5419f1e97b90741d51841f800d3c697c662567d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/0xbok/r1cs-halo2 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" "+d5419f1e97b90741d51841f800d3c697c662567d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded derive_builder_core v0.9.0
[INFO] [stderr]   Downloaded tabbycat v0.1.2
[INFO] [stderr]   Downloaded yeslogic-fontconfig-sys v3.2.0
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.85
[INFO] [stderr]   Downloaded const-cstr v0.3.0
[INFO] [stderr]   Downloaded plotters-bitmap v0.3.2
[INFO] [stderr]   Downloaded pasta_curves v0.4.1
[INFO] [stderr]   Downloaded serde_derive v1.0.151
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.85
[INFO] [stderr]   Downloaded cxx-build v1.0.85
[INFO] [stderr]   Downloaded font-kit v0.11.0
[INFO] [stderr]   Downloaded pest v2.5.1
[INFO] [stderr]   Downloaded cxx v1.0.85
[INFO] [stderr]   Downloaded derive_builder v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+d5419f1e97b90741d51841f800d3c697c662567d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 035ce52e7721833736dbb98031f51e5e66bdbf6f9f378626053740554ce3396c
[INFO] running `Command { std: "docker" "start" "-a" "035ce52e7721833736dbb98031f51e5e66bdbf6f9f378626053740554ce3396c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "035ce52e7721833736dbb98031f51e5e66bdbf6f9f378626053740554ce3396c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "035ce52e7721833736dbb98031f51e5e66bdbf6f9f378626053740554ce3396c", kill_on_drop: false }`
[INFO] [stdout] 035ce52e7721833736dbb98031f51e5e66bdbf6f9f378626053740554ce3396c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+d5419f1e97b90741d51841f800d3c697c662567d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00fd4a9af25c97e5044112555dcbcbf8de367dab3fb66227ae64d069d91bd04d
[INFO] running `Command { std: "docker" "start" "-a" "00fd4a9af25c97e5044112555dcbcbf8de367dab3fb66227ae64d069d91bd04d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling ucd-trie v0.1.5
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking num-traits v0.2.15
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling yeslogic-fontconfig-sys v3.2.0
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling serde v1.0.151
[INFO] [stderr]     Checking memoffset v0.7.1
[INFO] [stderr]     Checking flate2 v1.0.25
[INFO] [stderr]     Checking crossbeam-epoch v0.9.13
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]     Checking plotters-backend v0.3.4
[INFO] [stderr]     Checking weezl v0.1.7
[INFO] [stderr]     Checking jpeg-decoder v0.3.0
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking const-cstr v0.3.0
[INFO] [stderr]    Compiling font-kit v0.11.0
[INFO] [stderr]     Checking bytemuck v1.12.3
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling anyhow v1.0.68
[INFO] [stderr]     Checking gif v0.11.4
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.49/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 png v0.17.7
[INFO] [stderr]     Checking float-ord v0.2.0
[INFO] [stderr]     Checking iana-time-zone v0.1.53
[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 cmake v0.1.49
[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" "00fd4a9af25c97e5044112555dcbcbf8de367dab3fb66227ae64d069d91bd04d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00fd4a9af25c97e5044112555dcbcbf8de367dab3fb66227ae64d069d91bd04d", kill_on_drop: false }`
[INFO] [stdout] 00fd4a9af25c97e5044112555dcbcbf8de367dab3fb66227ae64d069d91bd04d
