[INFO] fetching crate ark-sponge 0.4.0-alpha...
[INFO] checking ark-sponge-0.4.0-alpha against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate ark-sponge 0.4.0-alpha into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate ark-sponge 0.4.0-alpha on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ark-sponge 0.4.0-alpha
[INFO] finished tweaking crates.io crate ark-sponge 0.4.0-alpha
[INFO] tweaked toml for crates.io crate ark-sponge 0.4.0-alpha written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ark-relations v0.4.0
[INFO] [stderr]   Downloaded ark-r1cs-std v0.4.0
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94a0d6adaa3e15e967d9036b68a1766bdb3afdbbac623bcfe18a60179a68c5ef
[INFO] running `Command { std: "docker" "start" "-a" "94a0d6adaa3e15e967d9036b68a1766bdb3afdbbac623bcfe18a60179a68c5ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94a0d6adaa3e15e967d9036b68a1766bdb3afdbbac623bcfe18a60179a68c5ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94a0d6adaa3e15e967d9036b68a1766bdb3afdbbac623bcfe18a60179a68c5ef", kill_on_drop: false }`
[INFO] [stdout] 94a0d6adaa3e15e967d9036b68a1766bdb3afdbbac623bcfe18a60179a68c5ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a04a1451454744ce586e6be49b83ad31230c9d931087a05fec5bd045f922e46e
[INFO] running `Command { std: "docker" "start" "-a" "a04a1451454744ce586e6be49b83ad31230c9d931087a05fec5bd045f922e46e", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling ark-serialize-derive v0.4.2
[INFO] [stderr]    Compiling ark-ff-asm v0.4.2
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tracing-subscriber v0.2.25
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking hashbrown v0.13.2
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]     Checking ark-std v0.4.0
[INFO] [stderr]     Checking ark-serialize v0.4.2
[INFO] [stderr]    Compiling ark-ff-macros v0.4.2
[INFO] [stderr]     Checking ark-ff v0.4.2
[INFO] [stderr]     Checking ark-poly v0.4.2
[INFO] [stderr]     Checking ark-relations v0.4.0
[INFO] [stderr]     Checking ark-ec v0.4.2
[INFO] [stderr]     Checking ark-r1cs-std v0.4.0
[INFO] [stderr]     Checking ark-sponge v0.4.0-alpha (/opt/rustwide/workdir)
[INFO] [stdout] error: the item `Vec` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use ark_std::vec::Vec;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Vec` is already defined here
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:4:5
[INFO] [stdout]    |
[INFO] [stdout] 4  |     unused,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    = note: `#[deny(unused_imports)]` implied by `#[deny(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `Vec` is imported redundantly
[INFO] [stdout]   --> src/constraints/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use ark_std::vec::Vec;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `Vec` is imported redundantly
[INFO] [stdout]   --> src/constraints/absorb.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use ark_std::vec::Vec;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `Vec` is imported redundantly
[INFO] [stdout]   --> src/absorb.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use ark_std::vec::Vec;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/poseidon/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use ark_std::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `Vec` is imported redundantly
[INFO] [stdout]   --> src/poseidon/constraints.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use ark_std::vec::Vec;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `FpConfig` is imported redundantly
[INFO] [stdout]  --> src/poseidon/traits.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ark_ff::{fields::models::*, FpConfig, PrimeField};
[INFO] [stdout]   |              -----------------  ^^^^^^^^
[INFO] [stdout]   |              |
[INFO] [stdout]   |              the item `FpConfig` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/poseidon/traits.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ark_std::{vec, vec::Vec};
[INFO] [stdout]   |                    ^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/poseidon/grain_lfsr.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ark_std::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `Vec` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use ark_std::vec::Vec;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Vec` is already defined here
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:4:5
[INFO] [stdout]    |
[INFO] [stdout] 4  |     unused,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    = note: `#[deny(unused_imports)]` implied by `#[deny(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `Vec` is imported redundantly
[INFO] [stdout]   --> src/constraints/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use ark_std::vec::Vec;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `Vec` is imported redundantly
[INFO] [stdout]   --> src/constraints/absorb.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use ark_std::vec::Vec;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `Vec` is imported redundantly
[INFO] [stdout]   --> src/absorb.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use ark_std::vec::Vec;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `Vec` is imported redundantly
[INFO] [stdout]    --> src/absorb.rs:360:29
[INFO] [stdout]     |
[INFO] [stdout] 360 |     use ark_std::{test_rng, vec::Vec, UniformRand};
[INFO] [stdout]     |                             ^^^^^^^^
[INFO] [stdout]    --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]     |
[INFO] [stdout]     = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/poseidon/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use ark_std::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `Vec` is imported redundantly
[INFO] [stdout]   --> src/poseidon/constraints.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use ark_std::vec::Vec;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `FpConfig` is imported redundantly
[INFO] [stdout]  --> src/poseidon/traits.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ark_ff::{fields::models::*, FpConfig, PrimeField};
[INFO] [stdout]   |              -----------------  ^^^^^^^^
[INFO] [stdout]   |              |
[INFO] [stdout]   |              the item `FpConfig` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/poseidon/traits.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ark_std::{vec, vec::Vec};
[INFO] [stdout]   |                    ^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/poseidon/grain_lfsr.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ark_std::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ark-sponge` (lib) due to 10 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 10 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ark-sponge` (lib test) due to 11 previous errors
[INFO] running `Command { std: "docker" "inspect" "a04a1451454744ce586e6be49b83ad31230c9d931087a05fec5bd045f922e46e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a04a1451454744ce586e6be49b83ad31230c9d931087a05fec5bd045f922e46e", kill_on_drop: false }`
[INFO] [stdout] a04a1451454744ce586e6be49b83ad31230c9d931087a05fec5bd045f922e46e
