[INFO] fetching crate zkinterface_bellman 1.3.2...
[INFO] checking zkinterface_bellman-1.3.2 against try#4a23c45c7893f1416456144e3883cc48ea91722e for pr-82322
[INFO] extracting crate zkinterface_bellman 1.3.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate zkinterface_bellman 1.3.2 on toolchain 4a23c45c7893f1416456144e3883cc48ea91722e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zkinterface_bellman 1.3.2
[INFO] finished tweaking crates.io crate zkinterface_bellman 1.3.2
[INFO] tweaked toml for crates.io crate zkinterface_bellman 1.3.2 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate zkinterface_bellman 1.3.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "fetch" "--locked" "--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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ff v0.8.0
[INFO] [stderr]   Downloaded radium v0.4.1
[INFO] [stderr]   Downloaded group v0.8.0
[INFO] [stderr]   Downloaded bitvec v0.18.4
[INFO] [stderr]   Downloaded pairing v0.18.0
[INFO] [stderr]   Downloaded bls12_381 v0.3.1
[INFO] [stderr]   Downloaded bellman v0.8.0
[INFO] [stderr]   Downloaded zkinterface v1.3.2
[INFO] [stderr]   Downloaded regex v1.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de9aba101619a86326a02132bfbc39e6503a2ec4a983c6661ab194e7448d1a8a
[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" "de9aba101619a86326a02132bfbc39e6503a2ec4a983c6661ab194e7448d1a8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de9aba101619a86326a02132bfbc39e6503a2ec4a983c6661ab194e7448d1a8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de9aba101619a86326a02132bfbc39e6503a2ec4a983c6661ab194e7448d1a8a", kill_on_drop: false }`
[INFO] [stdout] de9aba101619a86326a02132bfbc39e6503a2ec4a983c6661ab194e7448d1a8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da77d9c70a4dba1f9a184fc29357347ff4a85f1e8c1ad4c5316118985aa954bd
[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" "da77d9c70a4dba1f9a184fc29357347ff4a85f1e8c1ad4c5316118985aa954bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling radium v0.4.1
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking funty v1.0.1
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking subtle v2.3.0
[INFO] [stderr]    Compiling regex v1.1.5
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking constant_time_eq v0.1.3
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking futures v0.1.26
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]     Checking blake2s_simd v0.5.10
[INFO] [stderr]     Checking flatbuffers v0.5.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking bitvec v0.18.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking ff v0.8.0
[INFO] [stderr]     Checking group v0.8.0
[INFO] [stderr]     Checking pairing v0.18.0
[INFO] [stderr]    Compiling zkinterface v1.3.2
[INFO] [stderr]     Checking bls12_381 v0.3.1
[INFO] [stderr]     Checking bellman v0.8.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[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" "da77d9c70a4dba1f9a184fc29357347ff4a85f1e8c1ad4c5316118985aa954bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da77d9c70a4dba1f9a184fc29357347ff4a85f1e8c1ad4c5316118985aa954bd", kill_on_drop: false }`
[INFO] [stdout] da77d9c70a4dba1f9a184fc29357347ff4a85f1e8c1ad4c5316118985aa954bd