[INFO] cloning repository https://github.com/JacobEberhardt/ZoKrates
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JacobEberhardt/ZoKrates" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJacobEberhardt%2FZoKrates", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJacobEberhardt%2FZoKrates'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] af704063ca2cfe5d2f16044bc7564d52f909c516
[INFO] checking JacobEberhardt/ZoKrates against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJacobEberhardt%2FZoKrates" "/workspace/builds/worker-42/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-42/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JacobEberhardt/ZoKrates on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-42/source/rust-toolchain
[INFO] removed /workspace/builds/worker-42/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/JacobEberhardt/ZoKrates
[INFO] finished tweaking git repo https://github.com/JacobEberhardt/ZoKrates
[INFO] tweaked toml for git repo https://github.com/JacobEberhardt/ZoKrates written to /workspace/builds/worker-42/source/Cargo.toml
[INFO] crate git repo https://github.com/JacobEberhardt/ZoKrates already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7974ece072aaa4fc3ab5165a6ed0b5350116d4b8d95461d6d59e5f6a22784f6
[INFO] running `Command { std: "docker" "start" "-a" "b7974ece072aaa4fc3ab5165a6ed0b5350116d4b8d95461d6d59e5f6a22784f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7974ece072aaa4fc3ab5165a6ed0b5350116d4b8d95461d6d59e5f6a22784f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7974ece072aaa4fc3ab5165a6ed0b5350116d4b8d95461d6d59e5f6a22784f6", kill_on_drop: false }`
[INFO] [stdout] b7974ece072aaa4fc3ab5165a6ed0b5350116d4b8d95461d6d59e5f6a22784f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 452327d146c835c28ccdccb3e034a61b1e1aa329e36d62c964ff72f60e610fc7
[INFO] running `Command { std: "docker" "start" "-a" "452327d146c835c28ccdccb3e034a61b1e1aa329e36d62c964ff72f60e610fc7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]     Checking futures-sink v0.3.15
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling gimli v0.24.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.20
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking zokrates_common v0.1.0 (/opt/rustwide/workdir/zokrates_common)
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking cpufeatures v0.1.5
[INFO] [stderr]    Compiling zokrates_core v0.6.6 (/opt/rustwide/workdir/zokrates_core)
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking typed-arena v1.7.0
[INFO] [stderr]     Checking reduce v0.1.4
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.74
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling bumpalo v3.7.0
[INFO] [stderr]    Compiling fs_extra v1.2.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.74
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling bytecount v0.6.2
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking environment v0.1.1
[INFO] [stderr]     Checking difference v1.0.0
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name build_script_build /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.15.44/build.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' -C metadata=2e0cd5c841fa3538 -C extra-filename=-2e0cd5c841fa3538 --out-dir /opt/rustwide/target/debug/build/syn-2e0cd5c841fa3538 -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "452327d146c835c28ccdccb3e034a61b1e1aa329e36d62c964ff72f60e610fc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "452327d146c835c28ccdccb3e034a61b1e1aa329e36d62c964ff72f60e610fc7", kill_on_drop: false }`
[INFO] [stdout] 452327d146c835c28ccdccb3e034a61b1e1aa329e36d62c964ff72f60e610fc7