[INFO] cloning repository https://github.com/jimpo/gadgets
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jimpo/gadgets" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimpo%2Fgadgets", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimpo%2Fgadgets'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a6d2211afbc5b249f169364bb4582c7653930e4c
[INFO] testing jimpo/gadgets against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimpo%2Fgadgets" "/workspace/builds/worker-28/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-28/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jimpo/gadgets on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jimpo/gadgets
[INFO] finished tweaking git repo https://github.com/jimpo/gadgets
[INFO] tweaked toml for git repo https://github.com/jimpo/gadgets written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] crate git repo https://github.com/jimpo/gadgets already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/jimpo/bulletproofs`
[INFO] [stderr]     Updating git repository `https://github.com/zcash/librustzcash`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded subtle v2.2.1
[INFO] [stderr]   Downloaded synstructure v0.12.2
[INFO] [stderr]   Downloaded blake2 v0.8.1
[INFO] [stderr]   Downloaded itertools v0.8.1
[INFO] [stderr]   Downloaded curve25519-dalek v1.2.3
[INFO] [stderr]   Downloaded merlin v1.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1fef86d4c8424457361d591685dc06a6d4c58490f5a4cadac350f06c8b6f3664
[INFO] running `Command { std: "docker" "start" "-a" "1fef86d4c8424457361d591685dc06a6d4c58490f5a4cadac350f06c8b6f3664", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fef86d4c8424457361d591685dc06a6d4c58490f5a4cadac350f06c8b6f3664", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fef86d4c8424457361d591685dc06a6d4c58490f5a4cadac350f06c8b6f3664", kill_on_drop: false }`
[INFO] [stdout] 1fef86d4c8424457361d591685dc06a6d4c58490f5a4cadac350f06c8b6f3664
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df072c838eb95bae69786e699bca7fb3647b8e49b1c69b4f364e3f3c89938302
[INFO] running `Command { std: "docker" "start" "-a" "df072c838eb95bae69786e699bca7fb3647b8e49b1c69b4f364e3f3c89938302", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling cc v1.0.47
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling subtle v2.2.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling crypto-mac v0.7.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling blake2 v0.8.1
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling sha3 v0.8.2
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling merlin v1.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand_xorshift v0.2.0
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]    Compiling synstructure v0.12.2
[INFO] [stderr]    Compiling curve25519-dalek v1.2.3
[INFO] [stderr]    Compiling ff_derive v0.4.0 (https://github.com/zcash/librustzcash#8d7f27ff)
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling ring-signatures v0.1.0 (/opt/rustwide/workdir/ring-signatures)
[INFO] [stderr]    Compiling ff v0.5.0 (https://github.com/zcash/librustzcash#8d7f27ff)
[INFO] [stderr]    Compiling group v0.2.0 (https://github.com/zcash/librustzcash#8d7f27ff)
[INFO] [stderr]    Compiling pairing v0.15.0 (https://github.com/zcash/librustzcash#8d7f27ff)
[INFO] [stderr]    Compiling group-signatures v0.1.0 (/opt/rustwide/workdir/group-signatures)
[INFO] [stdout] error[E0599]: no function or associated item named `rand` found for associated type `<E as ScalarEngine>::Fr` in the current scope
[INFO] [stdout]   --> group-signatures/src/lib.rs:63:20
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let x = E::Fr::rand(rng);
[INFO] [stdout]    |                    ^^^^ function or associated item not found in `<E as ScalarEngine>::Fr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `rand` found for associated type `<E as ScalarEngine>::Fr` in the current scope
[INFO] [stdout]   --> group-signatures/src/lib.rs:64:20
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let y = E::Fr::rand(rng);
[INFO] [stdout]    |                    ^^^^ function or associated item not found in `<E as ScalarEngine>::Fr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `rand` found for associated type `<E as ScalarEngine>::Fr` in the current scope
[INFO] [stdout]   --> group-signatures/src/lib.rs:65:20
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let t = E::Fr::rand(rng);
[INFO] [stdout]    |                    ^^^^ function or associated item not found in `<E as ScalarEngine>::Fr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `rand` found for associated type `<E as ScalarEngine>::Fr` in the current scope
[INFO] [stdout]   --> group-signatures/src/lib.rs:94:20
[INFO] [stdout]    |
[INFO] [stdout] 94 |     let h = E::Fr::rand(rng);
[INFO] [stdout]    |                    ^^^^ function or associated item not found in `<E as ScalarEngine>::Fr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `rand` found for associated type `<E as ScalarEngine>::Fr` in the current scope
[INFO] [stdout]    --> group-signatures/src/lib.rs:161:20
[INFO] [stdout]     |
[INFO] [stdout] 161 |     let u = E::Fr::rand(rng);
[INFO] [stdout]     |                    ^^^^ function or associated item not found in `<E as ScalarEngine>::Fr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `rand` found for associated type `<E as ScalarEngine>::Fr` in the current scope
[INFO] [stdout]    --> group-signatures/src/lib.rs:162:20
[INFO] [stdout]     |
[INFO] [stdout] 162 |     let v = E::Fr::rand(rng);
[INFO] [stdout]     |                    ^^^^ function or associated item not found in `<E as ScalarEngine>::Fr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `rand` found for associated type `<E as ScalarEngine>::Fr` in the current scope
[INFO] [stdout]    --> group-signatures/src/lib.rs:163:20
[INFO] [stdout]     |
[INFO] [stdout] 163 |     let k = E::Fr::rand(rng);
[INFO] [stdout]     |                    ^^^^ function or associated item not found in `<E as ScalarEngine>::Fr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `rand` found for associated type `<E as ScalarEngine>::Fr` in the current scope
[INFO] [stdout]    --> group-signatures/src/lib.rs:184:22
[INFO] [stdout]     |
[INFO] [stdout] 184 |     let r_v = E::Fr::rand(rng);
[INFO] [stdout]     |                      ^^^^ function or associated item not found in `<E as ScalarEngine>::Fr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `rand` found for associated type `<E as ScalarEngine>::Fr` in the current scope
[INFO] [stdout]    --> group-signatures/src/lib.rs:185:22
[INFO] [stdout]     |
[INFO] [stdout] 185 |     let r_k = E::Fr::rand(rng);
[INFO] [stdout]     |                      ^^^^ function or associated item not found in `<E as ScalarEngine>::Fr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `rand` found for associated type `<E as ScalarEngine>::Fr` in the current scope
[INFO] [stdout]    --> group-signatures/src/lib.rs:186:22
[INFO] [stdout]     |
[INFO] [stdout] 186 |     let r_m = E::Fr::rand(rng);
[INFO] [stdout]     |                      ^^^^ function or associated item not found in `<E as ScalarEngine>::Fr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rand`
[INFO] [stdout]  --> group-signatures/src/lib.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rand::{Rand, Rng};
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 10 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `group-signatures` due to 11 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "df072c838eb95bae69786e699bca7fb3647b8e49b1c69b4f364e3f3c89938302", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df072c838eb95bae69786e699bca7fb3647b8e49b1c69b4f364e3f3c89938302", kill_on_drop: false }`
[INFO] [stdout] df072c838eb95bae69786e699bca7fb3647b8e49b1c69b4f364e3f3c89938302