[INFO] fetching crate nova-snark 0.3.0...
[INFO] checking nova-snark-0.3.0 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate nova-snark 0.3.0 into /workspace/builds/worker-119/source
[INFO] validating manifest of crates.io crate nova-snark 0.3.0 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nova-snark 0.3.0
[INFO] finished tweaking crates.io crate nova-snark 0.3.0
[INFO] tweaked toml for crates.io crate nova-snark 0.3.0 written to /workspace/builds/worker-119/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "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-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9dca32de755c523b21e8eafad60f6e320ed62c57342797fc870e27c68d0e436
[INFO] running `Command { std: "docker" "start" "-a" "f9dca32de755c523b21e8eafad60f6e320ed62c57342797fc870e27c68d0e436", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9dca32de755c523b21e8eafad60f6e320ed62c57342797fc870e27c68d0e436", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9dca32de755c523b21e8eafad60f6e320ed62c57342797fc870e27c68d0e436", kill_on_drop: false }`
[INFO] [stdout] f9dca32de755c523b21e8eafad60f6e320ed62c57342797fc870e27c68d0e436
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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=warn" "-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" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a41c700d99ce2e59e4afac41b0d2dfe55a1916022b0073154434aca4a7dfea95
[INFO] running `Command { std: "docker" "start" "-a" "a41c700d99ce2e59e4afac41b0d2dfe55a1916022b0073154434aca4a7dfea95", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking funty v1.2.0
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking wyz v0.4.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking bitvec v0.22.3
[INFO] [stderr]     Checking blake2b_simd v0.5.11
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking ff v0.11.0
[INFO] [stderr]     Checking group v0.11.0
[INFO] [stderr]     Checking pasta_curves v0.2.1
[INFO] [stderr]    Compiling zeroize_derive v1.2.0
[INFO] [stderr]     Checking zeroize v1.4.2
[INFO] [stderr]     Checking merlin v2.0.1
[INFO] [stderr]     Checking nova-snark v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nova-snark` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "a41c700d99ce2e59e4afac41b0d2dfe55a1916022b0073154434aca4a7dfea95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a41c700d99ce2e59e4afac41b0d2dfe55a1916022b0073154434aca4a7dfea95", kill_on_drop: false }`
[INFO] [stdout] a41c700d99ce2e59e4afac41b0d2dfe55a1916022b0073154434aca4a7dfea95
