[INFO] cloning repository https://github.com/blockchain-it-hr/zokrates-js-node
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/blockchain-it-hr/zokrates-js-node" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblockchain-it-hr%2Fzokrates-js-node"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblockchain-it-hr%2Fzokrates-js-node'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e53f90905bcaf7806a5d9d448d96f9d65edcae5e
[INFO] checking blockchain-it-hr/zokrates-js-node against beta-2019-10-27 for pr-65897
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblockchain-it-hr%2Fzokrates-js-node" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/blockchain-it-hr/zokrates-js-node on toolchain beta-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/blockchain-it-hr/zokrates-js-node
[INFO] finished tweaking git repo https://github.com/blockchain-it-hr/zokrates-js-node
[INFO] tweaked toml for git repo https://github.com/blockchain-it-hr/zokrates-js-node written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/blockchain-it-hr/zokrates-js-node already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=allow" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-10-27" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fcd4bdac71be45e8dfef302b5f7e9e7b1eba21c75bcb6a0854203cd95dee15ae
[INFO] running `"docker" "start" "-a" "fcd4bdac71be45e8dfef302b5f7e9e7b1eba21c75bcb6a0854203cd95dee15ae"`
[INFO] [stderr]    Compiling zokrates_core v0.4.0 (https://github.com/dark64/ZoKrates?branch=wasm-friendly#4f3334cf)
[INFO] [stderr]     Checking reduce v0.1.2
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling rust-crypto-wasm v0.3.1 (https://github.com/buttercup/rust-crypto-wasm#26310309)
[INFO] [stderr]     Checking from-pest v0.3.1
[INFO] [stderr]     Checking serde_bytes v0.10.5
[INFO] [stderr]     Checking bincode v1.2.0
[INFO] [stderr]     Checking blake2-rfc_bellman_edition v0.0.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking bincode v0.8.0
[INFO] [stderr]     Checking csv v1.1.1
[INFO] [stderr]    Compiling weedle v0.10.0
[INFO] [stderr]    Compiling ff_derive_ce v0.5.1
[INFO] [stderr]    Compiling synstructure v0.12.1
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.51
[INFO] [stderr]    Compiling pest_generator v2.1.1
[INFO] [stderr]     Checking ff_ce v0.7.1
[INFO] [stderr]     Checking pairing_ce v0.18.0
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.51
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]     Checking zokrates_parser v0.1.3 (https://github.com/dark64/ZoKrates?branch=wasm-friendly#4f3334cf)
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.51
[INFO] [stderr]    Compiling wasm-bindgen-webidl v0.2.51
[INFO] [stderr]    Compiling single v1.0.0
[INFO] [stderr]    Compiling pest-ast v0.3.3
[INFO] [stderr]     Checking wasm-bindgen v0.2.51
[INFO] [stderr]     Checking js-sys v0.3.28
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]    Compiling web-sys v0.3.28
[INFO] [stderr]     Checking zokrates_field v0.3.4 (https://github.com/dark64/ZoKrates?branch=wasm-friendly#4f3334cf)
[INFO] [stderr]     Checking zokrates_pest_ast v0.1.3 (https://github.com/dark64/ZoKrates?branch=wasm-friendly#4f3334cf)
[INFO] [stderr]     Checking bellman_ce v0.3.1
[INFO] [stderr]     Checking sapling-crypto_ce v0.1.0 (https://github.com/dark64/sapling-crypto#18c221a6)
[INFO] [stderr]     Checking zokrates_embed v0.1.0 (https://github.com/dark64/ZoKrates?branch=wasm-friendly#4f3334cf)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> /opt/rustwide/cargo-home/git/checkouts/zokrates-70e4ef7a0d764d51/4f3334c/zokrates_core/src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(box_patterns, box_syntax)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `zokrates_core`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "fcd4bdac71be45e8dfef302b5f7e9e7b1eba21c75bcb6a0854203cd95dee15ae"`
[INFO] running `"docker" "rm" "-f" "fcd4bdac71be45e8dfef302b5f7e9e7b1eba21c75bcb6a0854203cd95dee15ae"`
[INFO] [stdout] fcd4bdac71be45e8dfef302b5f7e9e7b1eba21c75bcb6a0854203cd95dee15ae