[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#549dafd0516c8b08f912fb001d48e977d0a94c34 for pr-107421
[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] validating manifest of git repo https://github.com/HowJMay/ark-circom-example on toolchain 549dafd0516c8b08f912fb001d48e977d0a94c34
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+549dafd0516c8b08f912fb001d48e977d0a94c34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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] 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" "+549dafd0516c8b08f912fb001d48e977d0a94c34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+549dafd0516c8b08f912fb001d48e977d0a94c34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e71577a4ea00a7befa56a87d9f46f707eadcf251755c6a5e11902058fc6bb82
[INFO] running `Command { std: "docker" "start" "-a" "2e71577a4ea00a7befa56a87d9f46f707eadcf251755c6a5e11902058fc6bb82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e71577a4ea00a7befa56a87d9f46f707eadcf251755c6a5e11902058fc6bb82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e71577a4ea00a7befa56a87d9f46f707eadcf251755c6a5e11902058fc6bb82", kill_on_drop: false }`
[INFO] [stdout] 2e71577a4ea00a7befa56a87d9f46f707eadcf251755c6a5e11902058fc6bb82
[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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+549dafd0516c8b08f912fb001d48e977d0a94c34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75f15ea0e652f10dae561b87ca495c45714713d423a5c6e70a72ca7458e2257a
[INFO] running `Command { std: "docker" "start" "-a" "75f15ea0e652f10dae561b87ca495c45714713d423a5c6e70a72ca7458e2257a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling serde_derive v1.0.132
[INFO] [stderr]    Compiling serde v1.0.132
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling crc32fast v1.3.0
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]    Compiling bytecheck v0.6.7
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling paste v1.0.6
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling rend v0.3.6
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling rkyv v0.7.28
[INFO] [stderr]     Checking tracing-subscriber v0.2.25
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling target-lexicon v0.12.2
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]     Checking seahash v4.1.0
[INFO] [stderr]    Compiling serde_json v1.0.74
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]     Checking region v3.0.0
[INFO] [stderr]     Checking more-asserts v0.2.2
[INFO] [stderr]     Checking const-oid v0.7.1
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling backtrace v0.3.63
[INFO] [stderr]    Compiling wasmer-vm v2.1.1
[INFO] [stderr]     Checking der v0.5.1
[INFO] [stderr]    Compiling ark-ff v0.3.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.76.0
[INFO] [stderr]    Compiling eyre v0.6.5
[INFO] [stderr]     Checking base64ct v1.3.3
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking wasmparser v0.78.2
[INFO] [stderr]    Compiling cranelift-entity v0.76.0
[INFO] [stderr]     Checking blake2 v0.9.2
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking owo-colors v1.3.0
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.76.0
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking spki v0.5.3
[INFO] [stderr]     Checking byte-slice-cast v1.2.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking fixed-hash v0.7.0
[INFO] [stderr]     Checking ff v0.11.0
[INFO] [stderr]     Checking crypto-mac v0.11.1
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]     Checking bitvec v0.20.4
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking leb128 v0.2.5
[INFO] [stderr]     Checking regalloc v0.0.31
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking ark-std v0.3.0
[INFO] [stderr]     Checking cranelift-bforest v0.76.0
[INFO] [stderr]     Checking hmac v0.11.0
[INFO] [stderr]     Checking group v0.11.0
[INFO] [stderr]     Checking memmap2 v0.5.0
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking uint v0.9.1
[INFO] [stderr]     Checking signature v1.4.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling wasmer-compiler-cranelift v2.1.1
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking plotters-backend v0.3.2
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking wast v38.0.1
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking which v4.2.2
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking plotters-svg v0.3.1
[INFO] [stderr]     Checking libloading v0.7.2
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking criterion-plot v0.4.4
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling darling_core v0.13.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking wat v1.0.40
[INFO] [stderr]    Compiling zeroize_derive v1.2.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]    Compiling ptr_meta_derive v0.1.4
[INFO] [stderr]    Compiling ark-serialize-derive v0.3.0
[INFO] [stderr]    Compiling ark-ff-asm v0.3.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling ark-ff-macros v0.3.0
[INFO] [stderr]    Compiling bytecheck_derive v0.6.7
[INFO] [stderr]    Compiling loupe-derive v0.1.3
[INFO] [stderr]    Compiling rkyv_derive v0.7.28
[INFO] [stderr]     Checking ptr_meta v0.1.4
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.1
[INFO] [stderr]    Compiling rlp-derive v0.1.0
[INFO] [stderr]    Compiling wasmer-derive v2.1.1
[INFO] [stderr]     Checking zeroize v1.4.3
[INFO] [stderr]     Checking ark-serialize v0.3.0
[INFO] [stderr]    Compiling darling_macro v0.13.1
[INFO] [stderr]     Checking pkcs8 v0.8.0
[INFO] [stderr]     Checking crypto-bigint v0.3.2
[INFO] [stderr]     Checking sec1 v0.2.1
[INFO] [stderr]     Checking rfc6979 v0.1.0
[INFO] [stderr]     Checking elliptic-curve v0.11.6
[INFO] [stderr] error: could not compile `cranelift-codegen-meta`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name cranelift_codegen_meta --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cranelift-codegen-meta-0.76.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=f0ca8319f0d12635 -C extra-filename=-f0ca8319f0d12635 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern cranelift_codegen_shared=/opt/rustwide/target/debug/deps/libcranelift_codegen_shared-399bb925c68c2199.rmeta --extern cranelift_entity=/opt/rustwide/target/debug/deps/libcranelift_entity-23b97a21e51e3de1.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `impl-trait-for-tuples`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name impl_trait_for_tuples --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/impl-trait-for-tuples-0.2.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 -C metadata=41e3c4db22f419a2 -C extra-filename=-41e3c4db22f419a2 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-d937f1f82ffb437d.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-67e27136f08bcb92.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-a9ebb7fa75abd19f.rlib --extern proc_macro --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "75f15ea0e652f10dae561b87ca495c45714713d423a5c6e70a72ca7458e2257a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75f15ea0e652f10dae561b87ca495c45714713d423a5c6e70a72ca7458e2257a", kill_on_drop: false }`
[INFO] [stdout] 75f15ea0e652f10dae561b87ca495c45714713d423a5c6e70a72ca7458e2257a