[INFO] cloning repository https://github.com/HowJMay/ark-circom-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HowJMay/ark-circom-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHowJMay%2Fark-circom-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHowJMay%2Fark-circom-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] faf39cdc3d2c85741ccd74f7831481372205fe08
[INFO] checking HowJMay/ark-circom-example against try#e071e73523bfcdcab2878dbf652ac8ebb9b9eee4 for pr-144386
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHowJMay%2Fark-circom-example" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/HowJMay/ark-circom-example
[INFO] finished tweaking git repo https://github.com/HowJMay/ark-circom-example
[INFO] tweaked toml for git repo https://github.com/HowJMay/ark-circom-example written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/HowJMay/ark-circom-example on toolchain e071e73523bfcdcab2878dbf652ac8ebb9b9eee4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e071e73523bfcdcab2878dbf652ac8ebb9b9eee4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/HowJMay/ark-circom-example 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" "+e071e73523bfcdcab2878dbf652ac8ebb9b9eee4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ark-snark v0.3.0
[INFO] [stderr]   Downloaded ark-bn254 v0.3.0
[INFO] [stderr]   Downloaded ark-relations v0.3.0
[INFO] [stderr]   Downloaded zeroize_derive v1.2.2
[INFO] [stderr]   Downloaded blake2 v0.9.2
[INFO] [stderr]   Downloaded signature v1.4.0
[INFO] [stderr]   Downloaded ethbloom v0.11.1
[INFO] [stderr]   Downloaded wat v1.0.40
[INFO] [stderr]   Downloaded libloading v0.7.2
[INFO] [stderr]   Downloaded ethereum-types v0.12.1
[INFO] [stderr]   Downloaded spki v0.5.3
[INFO] [stderr]   Downloaded k256 v0.10.1
[INFO] [stderr]   Downloaded wasmer-compiler-cranelift v2.1.1
[INFO] [stderr]   Downloaded wasmer-types v2.1.1
[INFO] [stderr]   Downloaded rkyv v0.7.28
[INFO] [stderr]   Downloaded wasmer v2.1.1
[INFO] [stderr]   Downloaded wast v38.0.1
[INFO] [stderr]   Downloaded rlp v0.5.1
[INFO] [stderr]   Downloaded wasmer-engine-dylib v2.1.1
[INFO] [stderr]   Downloaded memmap2 v0.5.0
[INFO] [stderr]   Downloaded wasmer-compiler v2.1.1
[INFO] [stderr]   Downloaded wasmer-engine v2.1.1
[INFO] [stderr]   Downloaded ecdsa v0.13.4
[INFO] [stderr]   Downloaded crypto-bigint v0.3.2
[INFO] [stderr]   Downloaded group v0.11.0
[INFO] [stderr]   Downloaded elliptic-curve v0.11.6
[INFO] [stderr]   Downloaded wasmer-derive v2.1.1
[INFO] [stderr]   Downloaded wasmer-object v2.1.1
[INFO] [stderr]   Downloaded rfc6979 v0.1.0
[INFO] [stderr]   Downloaded ff v0.11.0
[INFO] [stderr]   Downloaded sec1 v0.2.1
[INFO] [stderr]   Downloaded which v4.2.2
[INFO] [stderr]   Downloaded wasmer-engine-universal v2.1.1
[INFO] [stderr]   Downloaded rkyv_derive v0.7.28
[INFO] [stderr]   Downloaded base64ct v1.3.3
[INFO] [stderr]   Downloaded wasmer-vm v2.1.1
[INFO] [stderr]   Downloaded ark-ec v0.3.0
[INFO] [stderr]   Downloaded ark-poly v0.3.0
[INFO] [stderr]   Downloaded ark-serialize-derive v0.3.0
[INFO] [stderr]   Downloaded ark-crypto-primitives v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+e071e73523bfcdcab2878dbf652ac8ebb9b9eee4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] abb3f0bfc57fae8a0ef183daa0179ab3719af3f247cf65831c0433452b2881d9
[INFO] running `Command { std: "docker" "start" "-a" "abb3f0bfc57fae8a0ef183daa0179ab3719af3f247cf65831c0433452b2881d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "abb3f0bfc57fae8a0ef183daa0179ab3719af3f247cf65831c0433452b2881d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abb3f0bfc57fae8a0ef183daa0179ab3719af3f247cf65831c0433452b2881d9", kill_on_drop: false }`
[INFO] [stdout] abb3f0bfc57fae8a0ef183daa0179ab3719af3f247cf65831c0433452b2881d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+e071e73523bfcdcab2878dbf652ac8ebb9b9eee4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b06f2e3607f09b4538128a4cdff1136b02652ebc1723363cc539487df74653f
[INFO] running `Command { std: "docker" "start" "-a" "3b06f2e3607f09b4538128a4cdff1136b02652ebc1723363cc539487df74653f", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling serde_derive v1.0.132
[INFO] [stderr]    Compiling serde v1.0.132
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stdout] error[E0635]: unknown feature `stdsimd`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ahash-0.7.6/src/lib.rs:33:42
[INFO] [stdout]    |
[INFO] [stdout] 33 | #![cfg_attr(feature = "stdsimd", feature(stdsimd))]
[INFO] [stdout]    |                                          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ahash` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "3b06f2e3607f09b4538128a4cdff1136b02652ebc1723363cc539487df74653f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b06f2e3607f09b4538128a4cdff1136b02652ebc1723363cc539487df74653f", kill_on_drop: false }`
[INFO] [stdout] 3b06f2e3607f09b4538128a4cdff1136b02652ebc1723363cc539487df74653f