[INFO] fetching crate dusk-jubjub 0.13.1...
[INFO] checking dusk-jubjub-0.13.1 against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393
[INFO] extracting crate dusk-jubjub 0.13.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate dusk-jubjub 0.13.1 on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate dusk-jubjub 0.13.1
[INFO] finished tweaking crates.io crate dusk-jubjub 0.13.1
[INFO] tweaked toml for crates.io crate dusk-jubjub 0.13.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rkyv_derive v0.7.43
[INFO] [stderr]   Downloaded rand_core v0.6.4
[INFO] [stderr]   Downloaded rand_xorshift v0.3.0
[INFO] [stderr]   Downloaded ptr_meta v0.1.4
[INFO] [stderr]   Downloaded ahash v0.7.7
[INFO] [stderr]   Downloaded ptr_meta_derive v0.1.4
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.90
[INFO] [stderr]   Downloaded bytecheck_derive v0.6.11
[INFO] [stderr]   Downloaded funty v2.0.0
[INFO] [stderr]   Downloaded plotters-backend v0.3.5
[INFO] [stderr]   Downloaded bytecheck v0.6.11
[INFO] [stderr]   Downloaded dusk-bytes v0.1.7
[INFO] [stderr]   Downloaded oorandom v11.1.3
[INFO] [stderr]   Downloaded tap v1.0.1
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.90
[INFO] [stderr]   Downloaded seahash v4.1.0
[INFO] [stderr]   Downloaded half v1.8.2
[INFO] [stderr]   Downloaded rkyv v0.7.43
[INFO] [stderr]   Downloaded regex-automata v0.4.5
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.90
[INFO] [stderr]   Downloaded criterion v0.3.6
[INFO] [stderr]   Downloaded csv v1.1.6
[INFO] [stderr]   Downloaded web-sys v0.3.67
[INFO] [stderr]   Downloaded serde_json v1.0.113
[INFO] [stderr]   Downloaded regex v1.10.3
[INFO] [stderr]   Downloaded rayon v1.8.1
[INFO] [stderr]   Downloaded dusk-bls12_381 v0.12.3
[INFO] [stderr]   Downloaded plotters-svg v0.3.5
[INFO] [stderr]   Downloaded bumpalo v3.14.0
[INFO] [stderr]   Downloaded js-sys v0.3.67
[INFO] [stderr]   Downloaded rayon-core v1.12.1
[INFO] [stderr]   Downloaded bitvec v1.0.1
[INFO] [stderr]   Downloaded plotters v0.3.5
[INFO] [stderr]   Downloaded serde_cbor v0.11.2
[INFO] [stderr]   Downloaded serde_derive v1.0.196
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.18
[INFO] [stderr]   Downloaded blake2 v0.9.2
[INFO] [stderr]   Downloaded tinytemplate v1.2.1
[INFO] [stderr]   Downloaded ff v0.13.0
[INFO] [stderr]   Downloaded crossbeam-deque v0.8.5
[INFO] [stderr]   Downloaded getrandom v0.2.12
[INFO] [stderr]   Downloaded crypto-mac v0.8.0
[INFO] [stderr]   Downloaded radium v0.7.0
[INFO] [stderr]   Downloaded cast v0.3.0
[INFO] [stderr]   Downloaded criterion-plot v0.4.5
[INFO] [stderr]   Downloaded wyz v0.5.1
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.90
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.90
[INFO] [stderr]   Downloaded derive-hex v0.1.2
[INFO] [stderr]   Downloaded group v0.13.0
[INFO] [stderr]   Downloaded csv-core v0.1.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 490d1a459d393d9b97a7c3be2e93aa14577228d309a47d779372c8bdbd85cb2e
[INFO] running `Command { std: "docker" "start" "-a" "490d1a459d393d9b97a7c3be2e93aa14577228d309a47d779372c8bdbd85cb2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "490d1a459d393d9b97a7c3be2e93aa14577228d309a47d779372c8bdbd85cb2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "490d1a459d393d9b97a7c3be2e93aa14577228d309a47d779372c8bdbd85cb2e", kill_on_drop: false }`
[INFO] [stdout] 490d1a459d393d9b97a7c3be2e93aa14577228d309a47d779372c8bdbd85cb2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 532f7c1c21fb0b994d6f192e81ac6a17b398f843dba94ef821a076f213fb80b5
[INFO] running `Command { std: "docker" "start" "-a" "532f7c1c21fb0b994d6f192e81ac6a17b398f843dba94ef821a076f213fb80b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking ff v0.13.0
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking group v0.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rayon v1.8.1
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking blake2 v0.9.2
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]    Compiling derive-hex v0.1.2
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]     Checking dusk-bytes v0.1.7
[INFO] [stderr]     Checking dusk-bls12_381 v0.12.3
[INFO] [stderr]     Checking dusk-jubjub v0.13.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stdout] error[E0599]: no method named `sqrt` found for struct `BlsScalar` in the current scope
[INFO] [stdout]    --> benches/fq_bench.rs:46:54
[INFO] [stdout]     |
[INFO] [stdout] 46  |     c.bench_function("Fq sqrt", |b| b.iter(move || n.sqrt()));
[INFO] [stdout]     |                                                      ^^^^ method not found in `BlsScalar`
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ff-0.13.0/src/lib.rs:144:8
[INFO] [stdout]     |
[INFO] [stdout] 144 |     fn sqrt(&self) -> CtOption<Self> {
[INFO] [stdout]     |        ---- the method is available for `BlsScalar` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 1   + use ff::Field;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dusk-jubjub` (bench "fq_bench") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "532f7c1c21fb0b994d6f192e81ac6a17b398f843dba94ef821a076f213fb80b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "532f7c1c21fb0b994d6f192e81ac6a17b398f843dba94ef821a076f213fb80b5", kill_on_drop: false }`
[INFO] [stdout] 532f7c1c21fb0b994d6f192e81ac6a17b398f843dba94ef821a076f213fb80b5
