[INFO] crate r1cs-zkinterface 0.1.2 is already in cache
[INFO] testing r1cs-zkinterface-0.1.2 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate r1cs-zkinterface 0.1.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate r1cs-zkinterface 0.1.2 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", 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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 61ec6c6d934e5dcf73219a229ad30f41a01498e6b2959d98a20fdcdb6b72bf8c
[INFO] running `Command { std: "docker" "start" "-a" "61ec6c6d934e5dcf73219a229ad30f41a01498e6b2959d98a20fdcdb6b72bf8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61ec6c6d934e5dcf73219a229ad30f41a01498e6b2959d98a20fdcdb6b72bf8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61ec6c6d934e5dcf73219a229ad30f41a01498e6b2959d98a20fdcdb6b72bf8c", kill_on_drop: false }`
[INFO] [stdout] 61ec6c6d934e5dcf73219a229ad30f41a01498e6b2959d98a20fdcdb6b72bf8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d85c9937294e47064586583c907ef9b7b52e01289423b89160e0c6326e5b4a9f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d85c9937294e47064586583c907ef9b7b52e01289423b89160e0c6326e5b4a9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling bimap v0.4.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]    Compiling flatbuffers v0.5.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling r1cs v0.4.7
[INFO] [stderr]    Compiling zkinterface v1.1.3
[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`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d85c9937294e47064586583c907ef9b7b52e01289423b89160e0c6326e5b4a9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d85c9937294e47064586583c907ef9b7b52e01289423b89160e0c6326e5b4a9f", kill_on_drop: false }`
[INFO] [stdout] d85c9937294e47064586583c907ef9b7b52e01289423b89160e0c6326e5b4a9f