[INFO] cloning repository https://github.com/QED-it/zkinterface-bellman
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/QED-it/zkinterface-bellman" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FQED-it%2Fzkinterface-bellman", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FQED-it%2Fzkinterface-bellman'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a274f5b0af992ff8b1af8b05d18062d95836869e
[INFO] checking QED-it/zkinterface-bellman against try#b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8 for pr-78363
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FQED-it%2Fzkinterface-bellman" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/QED-it/zkinterface-bellman on toolchain b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/QED-it/zkinterface-bellman
[INFO] finished tweaking git repo https://github.com/QED-it/zkinterface-bellman
[INFO] tweaked toml for git repo https://github.com/QED-it/zkinterface-bellman written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/QED-it/zkinterface-bellman already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bls12_381 v0.3.1
[INFO] [stderr]   Downloaded radium v0.4.1
[INFO] [stderr]   Downloaded blake2s_simd v0.5.10
[INFO] [stderr]   Downloaded bellman v0.8.0
[INFO] [stderr]   Downloaded funty v1.0.1
[INFO] [stderr]   Downloaded bitvec v0.18.4
[INFO] [stderr]   Downloaded group v0.8.0
[INFO] [stderr]   Downloaded pairing v0.18.0
[INFO] [stderr]   Downloaded zkinterface v1.3.2
[INFO] [stderr]   Downloaded wyz v0.2.0
[INFO] [stderr]   Downloaded ff v0.8.0
[INFO] [stderr]   Downloaded flatbuffers v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2cf65ef2a2be54f7842398651b6701be624c251c2e3568880c7c74b87bc0dab4
[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" "2cf65ef2a2be54f7842398651b6701be624c251c2e3568880c7c74b87bc0dab4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2cf65ef2a2be54f7842398651b6701be624c251c2e3568880c7c74b87bc0dab4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cf65ef2a2be54f7842398651b6701be624c251c2e3568880c7c74b87bc0dab4", kill_on_drop: false }`
[INFO] [stdout] 2cf65ef2a2be54f7842398651b6701be624c251c2e3568880c7c74b87bc0dab4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0cdfb7e75e27d946526f80f81a620e6cbcf354ec0c4916fd1bdd5cec64a225a
[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" "b0cdfb7e75e27d946526f80f81a620e6cbcf354ec0c4916fd1bdd5cec64a225a", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling radium v0.4.1
[INFO] [stderr]     Checking funty v1.0.1
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking subtle v2.3.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling regex v1.1.5
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking constant_time_eq v0.1.3
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]     Checking flatbuffers v0.5.0
[INFO] [stderr]     Checking blake2s_simd v0.5.10
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling aho-corasick v0.7.3
[INFO] [stderr]     Checking bitvec v0.18.4
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking num-integer v0.1.43
[INFO] [stderr]     Checking ff v0.8.0
[INFO] [stderr]     Checking group v0.8.0
[INFO] [stderr]     Checking pairing v0.18.0
[INFO] [stderr]     Checking bls12_381 v0.3.1
[INFO] [stderr]     Checking bellman v0.8.0
[INFO] [stderr]    Compiling zkinterface v1.3.2
[INFO] [stdout] error[E0277]: cannot multiply-assign `<E as Engine>::Fr` by `&&<E as Engine>::Fr`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bellman-0.8.0/src/groth16/generator.rs:401:39
[INFO] [stdout]     |
[INFO] [stdout] 401 |                         at.mul_assign(&beta);
[INFO] [stdout]     |                                       ^^^^^ no implementation for `<E as Engine>::Fr *= &&<E as Engine>::Fr`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `MulAssign<&&<E as Engine>::Fr>` is not implemented for `<E as Engine>::Fr`
[INFO] [stdout] help: consider further restricting the associated type
[INFO] [stdout]     |
[INFO] [stdout] 331 |     ) where <E as Engine>::Fr: MulAssign<&&<E as Engine>::Fr> {
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot multiply-assign `<E as Engine>::Fr` by `&&<E as Engine>::Fr`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bellman-0.8.0/src/groth16/generator.rs:402:39
[INFO] [stdout]     |
[INFO] [stdout] 402 |                         bt.mul_assign(&alpha);
[INFO] [stdout]     |                                       ^^^^^^ no implementation for `<E as Engine>::Fr *= &&<E as Engine>::Fr`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `MulAssign<&&<E as Engine>::Fr>` is not implemented for `<E as Engine>::Fr`
[INFO] [stdout] help: consider further restricting the associated type
[INFO] [stdout]     |
[INFO] [stdout] 331 |     ) where <E as Engine>::Fr: MulAssign<&&<E as Engine>::Fr> {
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bellman`
[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" "b0cdfb7e75e27d946526f80f81a620e6cbcf354ec0c4916fd1bdd5cec64a225a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0cdfb7e75e27d946526f80f81a620e6cbcf354ec0c4916fd1bdd5cec64a225a", kill_on_drop: false }`
[INFO] [stdout] b0cdfb7e75e27d946526f80f81a620e6cbcf354ec0c4916fd1bdd5cec64a225a