[INFO] fetching crate ferveo-common-nucypher-temp4 0.4.0-alpha...
[INFO] checking ferveo-common-nucypher-temp4-0.4.0-alpha against try#b6bca0d7327839b5e3f7a7779947cb9113d08917+rustflags=-Zstrict-projection-item-bounds for 150662-leaf
[INFO] extracting crate ferveo-common-nucypher-temp4 0.4.0-alpha into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate ferveo-common-nucypher-temp4 0.4.0-alpha
[INFO] finished tweaking crates.io crate ferveo-common-nucypher-temp4 0.4.0-alpha
[INFO] tweaked toml for crates.io crate ferveo-common-nucypher-temp4 0.4.0-alpha written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ferveo-common-nucypher-temp4 0.4.0-alpha on toolchain b6bca0d7327839b5e3f7a7779947cb9113d08917
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6bca0d7327839b5e3f7a7779947cb9113d08917" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ferveo-common-nucypher-temp4 0.4.0-alpha already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6bca0d7327839b5e3f7a7779947cb9113d08917" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b6bca0d7327839b5e3f7a7779947cb9113d08917" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4eeb5e71a1912cd6f484abf42c31854766072f4034d270aad7c8d22045e0799a
[INFO] running `Command { std: "docker" "start" "-a" "4eeb5e71a1912cd6f484abf42c31854766072f4034d270aad7c8d22045e0799a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4eeb5e71a1912cd6f484abf42c31854766072f4034d270aad7c8d22045e0799a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4eeb5e71a1912cd6f484abf42c31854766072f4034d270aad7c8d22045e0799a", kill_on_drop: false }`
[INFO] [stdout] 4eeb5e71a1912cd6f484abf42c31854766072f4034d270aad7c8d22045e0799a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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 -Zstrict-projection-item-bounds" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b6bca0d7327839b5e3f7a7779947cb9113d08917" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5021167fd1ea313e34d6df2491c51ac19a90b591a87115e46e4cf26096291e11
[INFO] running `Command { std: "docker" "start" "-a" "5021167fd1ea313e34d6df2491c51ac19a90b591a87115e46e4cf26096291e11", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.25
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling syn v2.0.102
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking hashbrown v0.13.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking ark-std v0.4.0
[INFO] [stderr]    Compiling ark-serialize-derive v0.4.2
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling ark-ff-macros v0.4.2
[INFO] [stderr]    Compiling ark-ff-asm v0.4.2
[INFO] [stderr]     Checking ark-serialize v0.4.2
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]     Checking ark-ff v0.4.2
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling serde_with_macros v2.3.3
[INFO] [stderr]     Checking serde_with v2.3.3
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking ark-poly v0.4.2
[INFO] [stderr]     Checking ark-ec v0.4.2
[INFO] [stderr]     Checking ark-bls12-381 v0.4.0
[INFO] [stderr]     Checking ferveo-common-nucypher-temp4 v0.4.0-alpha (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `<E as Pairing>::G2Affine: Neg` is not satisfied
[INFO] [stdout]    --> src/keypair.rs:116:18
[INFO] [stdout]     |
[INFO] [stdout] 116 |                 .into_affine(),
[INFO] [stdout]     |                  ^^^^^^^^^^^ the trait `Neg` is not implemented for `<E as Pairing>::G2Affine`
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `into_affine`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ark-ec-0.4.2/src/scalar_mul/mod.rs:41:11
[INFO] [stdout]     |
[INFO] [stdout]  41 |         + Neg<Output = Self::MulBase>;
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `CurveGroup::into_affine`
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ark-ec-0.4.2/src/lib.rs:157:8
[INFO] [stdout]     |
[INFO] [stdout] 157 |     fn into_affine(self) -> Self::Affine {
[INFO] [stdout]     |        ----------- required by a bound in this associated function
[INFO] [stdout] help: consider further restricting the associated type
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn public_key(&self) -> PublicKey<E> where <E as Pairing>::G2Affine: Neg {
[INFO] [stdout]     |                                              +++++++++++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ferveo-common-nucypher-temp4` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5021167fd1ea313e34d6df2491c51ac19a90b591a87115e46e4cf26096291e11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5021167fd1ea313e34d6df2491c51ac19a90b591a87115e46e4cf26096291e11", kill_on_drop: false }`
[INFO] [stdout] 5021167fd1ea313e34d6df2491c51ac19a90b591a87115e46e4cf26096291e11