[INFO] fetching crate ark-mpc 0.1.2...
[INFO] testing ark-mpc-0.1.2 against 1.75.0 for beta-1.76-1
[INFO] extracting crate ark-mpc 0.1.2 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate ark-mpc 0.1.2 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate ark-mpc 0.1.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate ark-mpc 0.1.2
[INFO] tweaked toml for crates.io crate ark-mpc 0.1.2 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" "+1.75.0" "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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap v4.4.13
[INFO] [stderr]   Downloaded rcgen v0.9.3
[INFO] [stderr]   Downloaded socket2 v0.4.10
[INFO] [stderr]   Downloaded criterion v0.5.1
[INFO] [stderr]   Downloaded quinn-proto v0.9.6
[INFO] [stderr]   Downloaded clap_builder v4.4.12
[INFO] [stderr]   Downloaded quinn v0.9.4
[INFO] [stderr]   Downloaded quinn-udp v0.3.2
[INFO] [stderr]   Downloaded inventory v0.3.14
[INFO] [stderr]   Downloaded ark-bn254 v0.4.0
[INFO] [stderr]   Downloaded colored v2.1.0
[INFO] [stderr]   Downloaded dns-lookup v1.0.8
[INFO] [stderr]   Downloaded yasna v0.5.2
[INFO] [stderr]   Downloaded kanal v0.1.0-pre8
[INFO] [stderr]   Downloaded cpuprofiler v0.0.4
[INFO] [stderr]   Downloaded gperftools v0.2.0
[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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 893b971363f94dfed316331ecfff48a3b4cc9c6e94943cbb6a2f6821f5c2a24c
[INFO] running `Command { std: "docker" "start" "-a" "893b971363f94dfed316331ecfff48a3b4cc9c6e94943cbb6a2f6821f5c2a24c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "893b971363f94dfed316331ecfff48a3b4cc9c6e94943cbb6a2f6821f5c2a24c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "893b971363f94dfed316331ecfff48a3b4cc9c6e94943cbb6a2f6821f5c2a24c", kill_on_drop: false }`
[INFO] [stdout] 893b971363f94dfed316331ecfff48a3b4cc9c6e94943cbb6a2f6821f5c2a24c
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 703a76f75ae327f680c02412e11761a09504fac1120aeedaf37dd228fae80c9c
[INFO] running `Command { std: "docker" "start" "-a" "703a76f75ae327f680c02412e11761a09504fac1120aeedaf37dd228fae80c9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling crossbeam-utils v0.8.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling rustls v0.20.9
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling ahash v0.8.7
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling rustls-native-certs v0.6.3
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling hashbrown v0.13.2
[INFO] [stderr]    Compiling socket2 v0.4.10
[INFO] [stderr]    Compiling mio v0.8.10
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]    Compiling async-trait v0.1.77
[INFO] [stderr]    Compiling keccak v0.1.4
[INFO] [stderr]    Compiling kanal v0.1.0-pre8
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.17
[INFO] [stderr]    Compiling pem v1.1.1
[INFO] [stderr]    Compiling crossbeam-queue v0.3.10
[INFO] [stderr]    Compiling crossbeam-channel v0.5.10
[INFO] [stderr]    Compiling sha3 v0.10.8
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling crossbeam-deque v0.8.4
[INFO] [stderr]    Compiling time v0.3.31
[INFO] [stderr]    Compiling crossbeam v0.8.3
[INFO] [stderr]    Compiling rayon v1.8.0
[INFO] [stderr]    Compiling ring v0.17.7
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling yasna v0.5.2
[INFO] [stderr]    Compiling ark-std v0.4.0
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.194
[INFO] [stderr]    Compiling ark-serialize-derive v0.4.2
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling ark-ff-asm v0.4.2
[INFO] [stderr]    Compiling ark-ff-macros v0.4.2
[INFO] [stderr]    Compiling tokio v1.35.1
[INFO] [stderr]    Compiling zeroize v1.7.0
[INFO] [stderr]    Compiling rcgen v0.9.3
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling ark-serialize v0.4.2
[INFO] [stderr]    Compiling sct v0.7.1
[INFO] [stderr]    Compiling webpki v0.22.4
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling ark-ff v0.4.2
[INFO] [stderr]    Compiling quinn-proto v0.9.6
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]    Compiling futures-executor v0.3.30
[INFO] [stderr]    Compiling futures v0.3.30
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]    Compiling quinn-udp v0.3.2
[INFO] [stderr]    Compiling quinn v0.9.4
[INFO] [stderr]    Compiling ark-poly v0.4.2
[INFO] [stderr]    Compiling ark-ec v0.4.2
[INFO] [stderr]    Compiling ark-mpc v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(inherent_associated_types)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `network::PartyId`
[INFO] [stdout]  --> src/beaver.rs:7:30
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::{algebra::Scalar, network::PartyId};
[INFO] [stdout]   |                              ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ark-mpc` (lib) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "703a76f75ae327f680c02412e11761a09504fac1120aeedaf37dd228fae80c9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "703a76f75ae327f680c02412e11761a09504fac1120aeedaf37dd228fae80c9c", kill_on_drop: false }`
[INFO] [stdout] 703a76f75ae327f680c02412e11761a09504fac1120aeedaf37dd228fae80c9c
