[INFO] fetching crate zkinterface_bellman 1.3.2...
[INFO] checking zkinterface_bellman-1.3.2 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate zkinterface_bellman 1.3.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate zkinterface_bellman 1.3.2 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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-6/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wyz v0.2.0
[INFO] [stderr]   Downloaded serde_yaml v0.8.13
[INFO] [stderr]   Downloaded yaml-rust v0.4.4
[INFO] [stderr]   Downloaded num-bigint v0.3.0
[INFO] [stderr]   Downloaded subtle v2.3.0
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[INFO] [stderr]   Downloaded num_cpus v1.10.0
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[INFO] [stderr]   Downloaded ff v0.8.0
[INFO] [stderr]   Downloaded syn v1.0.38
[INFO] [stderr]   Downloaded zkinterface v1.3.2
[INFO] [stderr]   Downloaded hermit-abi v0.1.16
[INFO] [stderr]   Downloaded memchr v2.2.0
[INFO] [stderr]   Downloaded libc v0.2.77
[INFO] [stderr]   Downloaded linked-hash-map v0.5.3
[INFO] [stderr]   Downloaded proc-macro2 v1.0.19
[INFO] [stderr]   Downloaded serde_json v1.0.57
[INFO] [stderr]   Downloaded serde_derive v1.0.115
[INFO] [stderr]   Downloaded structopt v0.3.18
[INFO] [stderr]   Downloaded num-integer v0.1.43
[INFO] [stderr]   Downloaded pairing v0.18.0
[INFO] [stderr]   Downloaded funty v1.0.1
[INFO] [stderr]   Downloaded group v0.8.0
[INFO] [stderr]   Downloaded flatbuffers v0.5.0
[INFO] [stderr]   Downloaded aho-corasick v0.7.3
[INFO] [stderr]   Downloaded dtoa v0.4.6
[INFO] [stderr]   Downloaded serde v1.0.115
[INFO] [stderr]   Downloaded structopt-derive v0.4.11
[INFO] [stderr]   Downloaded bellman v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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] 4237e284b6ad4d434981cfffa836e5a55222746e055b578af915bb87629b7504
[INFO] running `Command { std: "docker" "start" "-a" "4237e284b6ad4d434981cfffa836e5a55222746e055b578af915bb87629b7504", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4237e284b6ad4d434981cfffa836e5a55222746e055b578af915bb87629b7504", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4237e284b6ad4d434981cfffa836e5a55222746e055b578af915bb87629b7504", kill_on_drop: false }`
[INFO] [stdout] 4237e284b6ad4d434981cfffa836e5a55222746e055b578af915bb87629b7504
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 0ecb0c2ca42e83a95214b9acd0d7d14c27d7e8d19481ae771ac43b404450ff14
[INFO] running `Command { std: "docker" "start" "-a" "0ecb0c2ca42e83a95214b9acd0d7d14c27d7e8d19481ae771ac43b404450ff14", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling radium v0.4.1
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling regex v1.1.5
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking futures v0.1.26
[INFO] [stderr]     Checking constant_time_eq v0.1.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling regex-syntax v0.6.6
[INFO] [stderr]    Compiling thread_local v0.3.6
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[INFO] [stderr]     Checking flatbuffers v0.5.0
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]     Checking blake2s_simd v0.5.10
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]     Checking bitvec v0.18.4
[INFO] [stderr]    Compiling aho-corasick v0.7.3
[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]     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 crossbeam-queue v0.2.3
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking crossbeam 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]     Checking bls12_381 v0.3.1
[INFO] [stderr]     Checking bellman v0.8.0
[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` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "0ecb0c2ca42e83a95214b9acd0d7d14c27d7e8d19481ae771ac43b404450ff14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ecb0c2ca42e83a95214b9acd0d7d14c27d7e8d19481ae771ac43b404450ff14", kill_on_drop: false }`
[INFO] [stdout] 0ecb0c2ca42e83a95214b9acd0d7d14c27d7e8d19481ae771ac43b404450ff14