[INFO] fetching crate r1cs-zkinterface 0.1.2...
[INFO] testing r1cs-zkinterface-0.1.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate r1cs-zkinterface 0.1.2 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate r1cs-zkinterface 0.1.2 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate r1cs-zkinterface 0.1.2
[INFO] finished tweaking crates.io crate r1cs-zkinterface 0.1.2
[INFO] tweaked toml for crates.io crate r1cs-zkinterface 0.1.2 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab6edf6dc1f5606ac4394fb79814745b0c4d12e77734ae268794c96978483fdc
[INFO] running `Command { std: "docker" "start" "-a" "ab6edf6dc1f5606ac4394fb79814745b0c4d12e77734ae268794c96978483fdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab6edf6dc1f5606ac4394fb79814745b0c4d12e77734ae268794c96978483fdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab6edf6dc1f5606ac4394fb79814745b0c4d12e77734ae268794c96978483fdc", kill_on_drop: false }`
[INFO] [stdout] ab6edf6dc1f5606ac4394fb79814745b0c4d12e77734ae268794c96978483fdc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f3498f4a2fd153c6d1ca12ba96eef7c2652566cabd73896daf6b6e7f454114a
[INFO] running `Command { std: "docker" "start" "-a" "2f3498f4a2fd153c6d1ca12ba96eef7c2652566cabd73896daf6b6e7f454114a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling bimap v0.4.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling flatbuffers v0.5.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling r1cs v0.4.7
[INFO] [stderr]    Compiling zkinterface v1.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling structopt-derive v0.4.16
[INFO] [stderr]    Compiling structopt v0.3.23
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling serde_yaml v0.8.21
[INFO] [stderr]    Compiling r1cs-zkinterface v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `zkinterface::writing`
[INFO] [stdout]  --> src/lib.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 | use zkinterface::writing::{CircuitOwned, VariablesOwned};
[INFO] [stdout]   |                  ^^^^^^^ could not find `writing` in `zkinterface`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `zkinterface::zkinterface_generated::zkinterface::R1CSConstraints`, `zkinterface::zkinterface_generated::zkinterface::R1CSConstraintsArgs`
[INFO] [stdout]  --> src/lib.rs:7:108
[INFO] [stdout]   |
[INFO] [stdout] 7 | ...tArgs, Message, R1CSConstraints, R1CSConstraintsArgs, Root, RootArgs, Variables, VariablesArgs, Witness, WitnessArgs};
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^ no `R1CSConstraintsArgs` in `zkinterface_generated::zkinterface`
[INFO] [stdout]   |                    |
[INFO] [stdout]   |                    no `R1CSConstraints` in `zkinterface_generated::zkinterface`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `R1CSConstraints` found for enum `zkinterface::zkinterface_generated::zkinterface::Message` in the current scope
[INFO] [stdout]   --> src/lib.rs:46:32
[INFO] [stdout]    |
[INFO] [stdout] 46 |         message_type: Message::R1CSConstraints,
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^ variant or associated item not found in `zkinterface::zkinterface_generated::zkinterface::Message`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `r1cs-zkinterface` due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "2f3498f4a2fd153c6d1ca12ba96eef7c2652566cabd73896daf6b6e7f454114a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f3498f4a2fd153c6d1ca12ba96eef7c2652566cabd73896daf6b6e7f454114a", kill_on_drop: false }`
[INFO] [stdout] 2f3498f4a2fd153c6d1ca12ba96eef7c2652566cabd73896daf6b6e7f454114a