[INFO] fetching crate ark-ff 0.4.2...
[INFO] checking ark-ff-0.4.2 against master#020bbe46bdf613c0b8211984eaa8e5fe97d6c92d for pr-122960
[INFO] extracting crate ark-ff 0.4.2 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate ark-ff 0.4.2 on toolchain 020bbe46bdf613c0b8211984eaa8e5fe97d6c92d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ark-ff 0.4.2
[INFO] finished tweaking crates.io crate ark-ff 0.4.2
[INFO] tweaked toml for crates.io crate ark-ff 0.4.2 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" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f3936e703bd1500f89ae263667d957ad9c4681a5907ad5f4898d51eee33afd0
[INFO] running `Command { std: "docker" "start" "-a" "6f3936e703bd1500f89ae263667d957ad9c4681a5907ad5f4898d51eee33afd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f3936e703bd1500f89ae263667d957ad9c4681a5907ad5f4898d51eee33afd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f3936e703bd1500f89ae263667d957ad9c4681a5907ad5f4898d51eee33afd0", kill_on_drop: false }`
[INFO] [stdout] 6f3936e703bd1500f89ae263667d957ad9c4681a5907ad5f4898d51eee33afd0
[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" "+020bbe46bdf613c0b8211984eaa8e5fe97d6c92d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad6b013e154b26662ae8bb4c25a329b2af03d3904d5ff6d92652e41ba1a095fa
[INFO] running `Command { std: "docker" "start" "-a" "ad6b013e154b26662ae8bb4c25a329b2af03d3904d5ff6d92652e41ba1a095fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]     Checking anstyle-query v1.0.2
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking anstyle-parse v0.2.3
[INFO] [stderr]     Checking clap_lex v0.7.0
[INFO] [stderr]     Checking strsim v0.11.0
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]     Checking anstream v0.6.13
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking cpufeatures v0.2.12
[INFO] [stderr]     Checking keccak v0.1.5
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking clap_builder v4.5.2
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking hashbrown v0.13.2
[INFO] [stderr]    Compiling syn v2.0.55
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking ark-std v0.4.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking blake2 v0.10.6
[INFO] [stderr]    Compiling ark-serialize-derive v0.4.2
[INFO] [stderr]    Compiling ark-ff-macros v0.4.2
[INFO] [stderr]    Compiling ark-ff-asm v0.4.2
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling clap_derive v4.5.3
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking ark-serialize v0.4.2
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]     Checking ark-ff v0.4.2
[INFO] [stderr]     Checking ark-ff v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking clap v4.5.3
[INFO] [stderr]     Checking libtest-mimic v0.6.1
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]   --> src/biginteger/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     convert::TryFrom,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/020bbe46bdf613c0b8211984eaa8e5fe97d6c92d/library/core/src/prelude/mod.rs:46:30
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryFrom` is already defined here
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout] 3  |     unused,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_imports)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/lib.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub use self::biginteger::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^ the name `arithmetic` in the type namespace is first re-exported here
[INFO] [stdout] ...
[INFO] [stdout] 25 | pub use self::fields::*;
[INFO] [stdout]    |         --------------- but the name `arithmetic` in the type namespace is also re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ord` is imported redundantly
[INFO] [stdout]  --> src/fields/models/fp/mod.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 |     cmp::{Ord, Ordering, PartialOrd},
[INFO] [stdout]   |           ^^^
[INFO] [stdout]  --> /rustc/020bbe46bdf613c0b8211984eaa8e5fe97d6c92d/library/core/src/prelude/mod.rs:38:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Ord` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialOrd` is imported redundantly
[INFO] [stdout]  --> src/fields/models/fp/mod.rs:8:26
[INFO] [stdout]   |
[INFO] [stdout] 8 |     cmp::{Ord, Ordering, PartialOrd},
[INFO] [stdout]   |                          ^^^^^^^^^^
[INFO] [stdout]  --> /rustc/020bbe46bdf613c0b8211984eaa8e5fe97d6c92d/library/core/src/prelude/mod.rs:38:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `PartialOrd` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ord` is imported redundantly
[INFO] [stdout]  --> src/fields/models/quadratic_extension.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 |     cmp::{Ord, Ordering, PartialOrd},
[INFO] [stdout]   |           ^^^
[INFO] [stdout]  --> /rustc/020bbe46bdf613c0b8211984eaa8e5fe97d6c92d/library/core/src/prelude/mod.rs:38:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Ord` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialOrd` is imported redundantly
[INFO] [stdout]  --> src/fields/models/quadratic_extension.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 6 |     cmp::{Ord, Ordering, PartialOrd},
[INFO] [stdout]   |                          ^^^^^^^^^^
[INFO] [stdout]  --> /rustc/020bbe46bdf613c0b8211984eaa8e5fe97d6c92d/library/core/src/prelude/mod.rs:38:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `PartialOrd` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ord` is imported redundantly
[INFO] [stdout]  --> src/fields/models/cubic_extension.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 |     cmp::{Ord, Ordering, PartialOrd},
[INFO] [stdout]   |           ^^^
[INFO] [stdout]  --> /rustc/020bbe46bdf613c0b8211984eaa8e5fe97d6c92d/library/core/src/prelude/mod.rs:38:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Ord` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialOrd` is imported redundantly
[INFO] [stdout]  --> src/fields/models/cubic_extension.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 6 |     cmp::{Ord, Ordering, PartialOrd},
[INFO] [stdout]   |                          ^^^^^^^^^^
[INFO] [stdout]  --> /rustc/020bbe46bdf613c0b8211984eaa8e5fe97d6c92d/library/core/src/prelude/mod.rs:38:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `PartialOrd` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ExpanderXof` is never constructed
[INFO] [stdout]   --> src/fields/field_hashers/expander/mod.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub(super) struct ExpanderXof<T: Update + Clone + ExtendableOutput> {
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ark-poly v0.4.2
[INFO] [stderr]     Checking ark-ec v0.4.2
[INFO] [stderr]     Checking ark-test-curves v0.4.2
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]   --> src/biginteger/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     convert::TryFrom,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/020bbe46bdf613c0b8211984eaa8e5fe97d6c92d/library/core/src/prelude/mod.rs:46:30
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryFrom` is already defined here
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout] 3  |     unused,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_imports)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/lib.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub use self::biginteger::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^ the name `arithmetic` in the type namespace is first re-exported here
[INFO] [stdout] ...
[INFO] [stdout] 25 | pub use self::fields::*;
[INFO] [stdout]    |         --------------- but the name `arithmetic` in the type namespace is also re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ord` is imported redundantly
[INFO] [stdout]  --> src/fields/models/fp/mod.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 |     cmp::{Ord, Ordering, PartialOrd},
[INFO] [stdout]   |           ^^^
[INFO] [stdout]  --> /rustc/020bbe46bdf613c0b8211984eaa8e5fe97d6c92d/library/core/src/prelude/mod.rs:38:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Ord` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialOrd` is imported redundantly
[INFO] [stdout]  --> src/fields/models/fp/mod.rs:8:26
[INFO] [stdout]   |
[INFO] [stdout] 8 |     cmp::{Ord, Ordering, PartialOrd},
[INFO] [stdout]   |                          ^^^^^^^^^^
[INFO] [stdout]  --> /rustc/020bbe46bdf613c0b8211984eaa8e5fe97d6c92d/library/core/src/prelude/mod.rs:38:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `PartialOrd` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ord` is imported redundantly
[INFO] [stdout]  --> src/fields/models/quadratic_extension.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 |     cmp::{Ord, Ordering, PartialOrd},
[INFO] [stdout]   |           ^^^
[INFO] [stdout]  --> /rustc/020bbe46bdf613c0b8211984eaa8e5fe97d6c92d/library/core/src/prelude/mod.rs:38:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Ord` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialOrd` is imported redundantly
[INFO] [stdout]  --> src/fields/models/quadratic_extension.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 6 |     cmp::{Ord, Ordering, PartialOrd},
[INFO] [stdout]   |                          ^^^^^^^^^^
[INFO] [stdout]  --> /rustc/020bbe46bdf613c0b8211984eaa8e5fe97d6c92d/library/core/src/prelude/mod.rs:38:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `PartialOrd` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ord` is imported redundantly
[INFO] [stdout]  --> src/fields/models/cubic_extension.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 |     cmp::{Ord, Ordering, PartialOrd},
[INFO] [stdout]   |           ^^^
[INFO] [stdout]  --> /rustc/020bbe46bdf613c0b8211984eaa8e5fe97d6c92d/library/core/src/prelude/mod.rs:38:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Ord` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialOrd` is imported redundantly
[INFO] [stdout]  --> src/fields/models/cubic_extension.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 6 |     cmp::{Ord, Ordering, PartialOrd},
[INFO] [stdout]   |                          ^^^^^^^^^^
[INFO] [stdout]  --> /rustc/020bbe46bdf613c0b8211984eaa8e5fe97d6c92d/library/core/src/prelude/mod.rs:38:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `PartialOrd` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ExpanderXof` is never constructed
[INFO] [stdout]   --> src/fields/field_hashers/expander/mod.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub(super) struct ExpanderXof<T: Update + Clone + ExtendableOutput> {
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.37s
[INFO] running `Command { std: "docker" "inspect" "ad6b013e154b26662ae8bb4c25a329b2af03d3904d5ff6d92652e41ba1a095fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad6b013e154b26662ae8bb4c25a329b2af03d3904d5ff6d92652e41ba1a095fa", kill_on_drop: false }`
[INFO] [stdout] ad6b013e154b26662ae8bb4c25a329b2af03d3904d5ff6d92652e41ba1a095fa