[INFO] fetching crate snarkos-toolkit 1.3.11...
[INFO] testing snarkos-toolkit-1.3.11 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate snarkos-toolkit 1.3.11 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate snarkos-toolkit 1.3.11 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate snarkos-toolkit 1.3.11
[INFO] finished tweaking crates.io crate snarkos-toolkit 1.3.11
[INFO] tweaked toml for crates.io crate snarkos-toolkit 1.3.11 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--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] 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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e5e4b179e45fd8b1a4fc701d555aed84c387776484e18b53a8212ad6a7825236
[INFO] running `Command { std: "docker" "start" "-a" "e5e4b179e45fd8b1a4fc701d555aed84c387776484e18b53a8212ad6a7825236", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5e4b179e45fd8b1a4fc701d555aed84c387776484e18b53a8212ad6a7825236", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5e4b179e45fd8b1a4fc701d555aed84c387776484e18b53a8212ad6a7825236", kill_on_drop: false }`
[INFO] [stdout] e5e4b179e45fd8b1a4fc701d555aed84c387776484e18b53a8212ad6a7825236
[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=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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] efc423f99d2b7916487d3949ef97f81a718966b779f67e01ec6b27d9652026d1
[INFO] running `Command { std: "docker" "start" "-a" "efc423f99d2b7916487d3949ef97f81a718966b779f67e01ec6b27d9652026d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.77
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling funty v1.2.0
[INFO] [stderr]    Compiling snarkvm-profiler v0.5.5
[INFO] [stderr]    Compiling bumpalo v3.7.0
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]    Compiling wasm-bindgen v0.2.77
[INFO] [stderr]    Compiling bech32 v0.8.1
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling base58 v0.1.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling wyz v0.4.0
[INFO] [stderr]    Compiling num-bigint v0.4.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling sha2 v0.9.8
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling blake2 v0.9.2
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_xorshift v0.3.0
[INFO] [stderr]    Compiling bitvec v0.22.3
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.77
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.77
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.77
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling snarkvm-derives v0.5.5
[INFO] [stderr]    Compiling snarkvm-utilities v0.5.4
[INFO] [stderr]    Compiling snarkvm-fields v0.5.4
[INFO] [stderr]    Compiling snarkvm-curves v0.5.4
[INFO] [stderr]    Compiling snarkvm-r1cs v0.5.4
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/snarkvm-r1cs-0.5.4/src/test_constraint_system.rs:183:14
[INFO] [stdout]     |
[INFO] [stdout] 183 |             .intersperse("/")
[INFO] [stdout]     |              ^^^^^^^^^^^ multiple `intersperse` found
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl of the trait `Iterator` for the type `Rev<I>`
[INFO] [stdout]     = note: candidate #2 is defined in an impl of the trait `Itertools` for the type `T`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 179 ~         Iterator::intersperse(reversed_uninterned_segments
[INFO] [stdout] 180 +             .into_iter()
[INFO] [stdout] 181 +             .map(|s| s.as_str())
[INFO] [stdout] 182 +             .rev(), "/")
[INFO] [stdout]     |
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 179 ~         Itertools::intersperse(reversed_uninterned_segments
[INFO] [stdout] 180 +             .into_iter()
[INFO] [stdout] 181 +             .map(|s| s.as_str())
[INFO] [stdout] 182 +             .rev(), "/")
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `snarkvm-r1cs` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "efc423f99d2b7916487d3949ef97f81a718966b779f67e01ec6b27d9652026d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efc423f99d2b7916487d3949ef97f81a718966b779f67e01ec6b27d9652026d1", kill_on_drop: false }`
[INFO] [stdout] efc423f99d2b7916487d3949ef97f81a718966b779f67e01ec6b27d9652026d1