[INFO] fetching crate snarkvm-circuit-types-scalar 0.16.12...
[INFO] checking snarkvm-circuit-types-scalar-0.16.12 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate snarkvm-circuit-types-scalar 0.16.12 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate snarkvm-circuit-types-scalar 0.16.12 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate snarkvm-circuit-types-scalar 0.16.12
[INFO] finished tweaking crates.io crate snarkvm-circuit-types-scalar 0.16.12
[INFO] tweaked toml for crates.io crate snarkvm-circuit-types-scalar 0.16.12 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 147 packages
[INFO] [stderr]       Adding bech32 v0.9.1 (latest: v0.11.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding dirs v4.0.0 (latest: v5.0.1)
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[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding itertools v0.11.0 (latest: v0.12.1)
[INFO] [stderr]       Adding redox_syscall v0.4.1 (latest: v0.5.1)
[INFO] [stderr]       Adding snarkvm-algorithms v0.16.12 (latest: v0.16.19)
[INFO] [stderr]       Adding snarkvm-circuit-environment v0.16.12 (latest: v0.16.19)
[INFO] [stderr]       Adding snarkvm-circuit-environment-witness v0.16.12 (latest: v0.16.19)
[INFO] [stderr]       Adding snarkvm-circuit-types-boolean v0.16.12 (latest: v0.16.19)
[INFO] [stderr]       Adding snarkvm-circuit-types-field v0.16.12 (latest: v0.16.19)
[INFO] [stderr]       Adding snarkvm-console-algorithms v0.16.12 (latest: v0.16.19)
[INFO] [stderr]       Adding snarkvm-console-collections v0.16.12 (latest: v0.16.19)
[INFO] [stderr]       Adding snarkvm-console-network v0.16.12 (latest: v0.16.19)
[INFO] [stderr]       Adding snarkvm-console-network-environment v0.16.12 (latest: v0.16.19)
[INFO] [stderr]       Adding snarkvm-console-types v0.16.12 (latest: v0.16.19)
[INFO] [stderr]       Adding snarkvm-console-types-boolean v0.16.12 (latest: v0.16.19)
[INFO] [stderr]       Adding snarkvm-console-types-field v0.16.12 (latest: v0.16.19)
[INFO] [stderr]       Adding snarkvm-console-types-group v0.16.12 (latest: v0.16.19)
[INFO] [stderr]       Adding snarkvm-console-types-integers v0.16.12 (latest: v0.16.19)
[INFO] [stderr]       Adding snarkvm-console-types-scalar v0.16.12 (latest: v0.16.19)
[INFO] [stderr]       Adding snarkvm-curves v0.16.12 (latest: v0.16.19)
[INFO] [stderr]       Adding snarkvm-fields v0.16.12 (latest: v0.16.19)
[INFO] [stderr]       Adding snarkvm-parameters v0.16.12 (latest: v0.16.19)
[INFO] [stderr]       Adding snarkvm-utilities v0.16.12 (latest: v0.16.19)
[INFO] [stderr]       Adding snarkvm-utilities-derives v0.16.12 (latest: v0.16.19)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
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[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded snarkvm-console-types-field v0.16.12
[INFO] [stderr]   Downloaded snarkvm-console-types-scalar v0.16.12
[INFO] [stderr]   Downloaded snarkvm-utilities v0.16.12
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[INFO] [stderr]   Downloaded aleo-std-timer v0.1.2
[INFO] [stderr]   Downloaded snarkvm-circuit-types-boolean v0.16.12
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[INFO] [stderr]   Downloaded smol_str v0.2.1
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[INFO] [stderr]   Downloaded snarkvm-fields v0.16.12
[INFO] [stderr]   Downloaded aleo-std-timed v0.1.2
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[INFO] [stderr]   Downloaded snarkvm-console-types v0.16.12
[INFO] [stderr]   Downloaded aleo-std-cpu v0.1.4
[INFO] [stderr]   Downloaded aleo-std v0.1.24
[INFO] [stderr]   Downloaded snarkvm-console-types-group v0.16.12
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[INFO] [stderr]   Downloaded snarkvm-circuit-environment v0.16.12
[INFO] [stderr]   Downloaded snarkvm-curves v0.16.12
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[INFO] [stderr]   Downloaded snarkvm-console-algorithms v0.16.12
[INFO] [stderr]   Downloaded snarkvm-algorithms v0.16.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 59df9a695a347f659c6022b6545faf8f12037443084e917ab49f294f4430a0b1
[INFO] running `Command { std: "docker" "start" "-a" "59df9a695a347f659c6022b6545faf8f12037443084e917ab49f294f4430a0b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59df9a695a347f659c6022b6545faf8f12037443084e917ab49f294f4430a0b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59df9a695a347f659c6022b6545faf8f12037443084e917ab49f294f4430a0b1", kill_on_drop: false }`
[INFO] [stdout] 59df9a695a347f659c6022b6545faf8f12037443084e917ab49f294f4430a0b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e53208ff26861fac95e2b1e9145356cfe870f5293790be687797c634acf25fe
[INFO] running `Command { std: "docker" "start" "-a" "8e53208ff26861fac95e2b1e9145356cfe870f5293790be687797c634acf25fe", kill_on_drop: false }`
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[INFO] [stdout] warning: the item `Field` is imported redundantly
[INFO] [stdout]   --> src/helpers/to_fields.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use super::*;
[INFO] [stdout]    |     -------- the item `Field` is already imported here
[INFO] [stdout] 16 | use snarkvm_circuit_types_field::Field;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Field` is imported redundantly
[INFO] [stdout]   --> src/helpers/to_fields.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use super::*;
[INFO] [stdout]    |     -------- the item `Field` is already imported here
[INFO] [stdout] 16 | use snarkvm_circuit_types_field::Field;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromStr` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:159:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |     use super::*;
[INFO] [stdout]     |         -------- the item `FromStr` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 159 |     use core::str::FromStr;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.94s
[INFO] running `Command { std: "docker" "inspect" "8e53208ff26861fac95e2b1e9145356cfe870f5293790be687797c634acf25fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e53208ff26861fac95e2b1e9145356cfe870f5293790be687797c634acf25fe", kill_on_drop: false }`
[INFO] [stdout] 8e53208ff26861fac95e2b1e9145356cfe870f5293790be687797c634acf25fe