[INFO] fetching crate ark-ec 0.5.0...
[INFO] checking ark-ec-0.5.0 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate ark-ec 0.5.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate ark-ec 0.5.0
[INFO] finished tweaking crates.io crate ark-ec 0.5.0
[INFO] tweaked toml for crates.io crate ark-ec 0.5.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ark-ec 0.5.0 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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] [stderr]      Locking 46 packages to latest compatible versions
[INFO] [stderr]       Adding hashbrown v0.15.5 (available: v0.16.0)
[INFO] [stderr]       Adding itertools v0.13.0 (available: v0.14.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28f3c0d5bdbf5a919ad08a5419a0ecaf84d98dd0d8be7a86d4343e7f7bf5523c
[INFO] running `Command { std: "docker" "start" "-a" "28f3c0d5bdbf5a919ad08a5419a0ecaf84d98dd0d8be7a86d4343e7f7bf5523c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28f3c0d5bdbf5a919ad08a5419a0ecaf84d98dd0d8be7a86d4343e7f7bf5523c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28f3c0d5bdbf5a919ad08a5419a0ecaf84d98dd0d8be7a86d4343e7f7bf5523c", kill_on_drop: false }`
[INFO] [stdout] 28f3c0d5bdbf5a919ad08a5419a0ecaf84d98dd0d8be7a86d4343e7f7bf5523c
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1351ad027f669e9d5b15ceaa4c3c7fc9702abd7d56734784a1d0797e278da036
[INFO] running `Command { std: "docker" "start" "-a" "1351ad027f669e9d5b15ceaa4c3c7fc9702abd7d56734784a1d0797e278da036", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]     Checking hashbrown v0.15.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking ahash v0.8.12
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking ark-std v0.5.0
[INFO] [stderr]    Compiling enum-ordinalize-derive v4.3.1
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling ark-serialize-derive v0.5.0
[INFO] [stderr]    Compiling ark-ff-asm v0.5.0
[INFO] [stderr]    Compiling ark-ff-macros v0.5.0
[INFO] [stderr]     Checking ark-serialize v0.5.0
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]    Compiling enum-ordinalize v4.3.0
[INFO] [stderr]    Compiling educe v0.6.0
[INFO] [stderr]     Checking ark-ff v0.5.0
[INFO] [stderr]     Checking ark-poly v0.5.0
[INFO] [stderr]     Checking ark-ec v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to provided trait methods
[INFO] [stdout]    --> src/models/short_weierstrass/affine.rs:241:5
[INFO] [stdout]     |
[INFO] [stdout] 241 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[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_attributes)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to provided trait methods
[INFO] [stdout]    --> src/models/twisted_edwards/affine.rs:187:5
[INFO] [stdout]     |
[INFO] [stdout] 187 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `sha2`
[INFO] [stdout]    --> src/hashing/curve_maps/elligator2.rs:180:9
[INFO] [stdout]     |
[INFO] [stdout] 180 |     use sha2::Sha256;
[INFO] [stdout]     |         ^^^^ use of unresolved module or unlinked crate `sha2`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `sha2`, use `cargo add sha2` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `ark_test_curves`
[INFO] [stdout]  --> src/hashing/tests.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ark_test_curves::bls12_381::{Fq, Fq2, Fq6};
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `ark_test_curves`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `ark_test_curves`, use `cargo add ark_test_curves` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `sha2`
[INFO] [stdout]    --> src/hashing/curve_maps/swu.rs:173:9
[INFO] [stdout]     |
[INFO] [stdout] 173 |     use sha2::Sha256;
[INFO] [stdout]     |         ^^^^ use of unresolved module or unlinked crate `sha2`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `sha2`, use `cargo add sha2` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `sha2`
[INFO] [stdout]    --> src/hashing/curve_maps/wb.rs:313:13
[INFO] [stdout]     |
[INFO] [stdout] 313 |         use sha2::Sha256;
[INFO] [stdout]     |             ^^^^ use of unresolved module or unlinked crate `sha2`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `sha2`, use `cargo add sha2` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to provided trait methods
[INFO] [stdout]    --> src/models/short_weierstrass/affine.rs:241:5
[INFO] [stdout]     |
[INFO] [stdout] 241 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[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_attributes)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to provided trait methods
[INFO] [stdout]    --> src/models/twisted_edwards/affine.rs:187:5
[INFO] [stdout]     |
[INFO] [stdout] 187 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ark-ec` (lib test) due to 4 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "1351ad027f669e9d5b15ceaa4c3c7fc9702abd7d56734784a1d0797e278da036", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1351ad027f669e9d5b15ceaa4c3c7fc9702abd7d56734784a1d0797e278da036", kill_on_drop: false }`
[INFO] [stdout] 1351ad027f669e9d5b15ceaa4c3c7fc9702abd7d56734784a1d0797e278da036