[INFO] cloning repository https://github.com/shreyas-londhe/halo2-exp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shreyas-londhe/halo2-exp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshreyas-londhe%2Fhalo2-exp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshreyas-londhe%2Fhalo2-exp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 504c505945ba879bbc1d0cc3ff723dafe29900ac
[INFO] checking shreyas-londhe/halo2-exp against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshreyas-londhe%2Fhalo2-exp" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-6-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/shreyas-londhe/halo2-exp
[INFO] finished tweaking git repo https://github.com/shreyas-londhe/halo2-exp
[INFO] tweaked toml for git repo https://github.com/shreyas-londhe/halo2-exp written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/shreyas-londhe/halo2-exp on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/shreyas-londhe/halo2-exp 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" "+1.95.0" "fetch" "--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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded autocfg v1.2.0
[INFO] [stderr]   Downloaded constant_time_eq v0.3.0
[INFO] [stderr]   Downloaded num-bigint v0.4.4
[INFO] [stderr]   Downloaded maybe-rayon v0.1.1
[INFO] [stderr]   Downloaded generic-array v0.14.7
[INFO] [stderr]   Downloaded crossbeam v0.8.4
[INFO] [stderr]   Downloaded cpufeatures v0.2.12
[INFO] [stderr]   Downloaded crossbeam-queue v0.3.11
[INFO] [stderr]   Downloaded serde_arrays v0.1.0
[INFO] [stderr]   Downloaded crypto-common v0.1.6
[INFO] [stderr]   Downloaded subtle v2.5.0
[INFO] [stderr]   Downloaded getset v0.1.2
[INFO] [stderr]   Downloaded num-integer v0.1.46
[INFO] [stderr]   Downloaded colored v2.1.0
[INFO] [stderr]   Downloaded ark-std v0.3.0
[INFO] [stderr]   Downloaded typenum v1.17.0
[INFO] [stderr]   Downloaded blake2b_simd v1.0.2
[INFO] [stderr]   Downloaded num-traits v0.2.18
[INFO] [stderr]   Downloaded pasta_curves v0.5.1
[INFO] [stderr]   Downloaded rayon-core v1.12.1
[INFO] [stderr]   Downloaded serde_json v1.0.115
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.12
[INFO] [stderr]   Downloaded itertools v0.11.0
[INFO] [stderr]   Downloaded halo2-base v0.4.1
[INFO] [stderr]   Downloaded proc-macro2 v1.0.79
[INFO] [stderr]   Downloaded pin-project-lite v0.2.14
[INFO] [stderr]   Downloaded rayon v1.10.0
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.19
[INFO] [stderr]   Downloaded syn v2.0.58
[INFO] [stderr]   Downloaded halo2-axiom v0.4.4
[INFO] [stderr]   Downloaded serde_derive v1.0.197
[INFO] [stderr]   Downloaded ryu v1.0.17
[INFO] [stderr]   Downloaded serde v1.0.197
[INFO] [stderr]   Downloaded sha2 v0.10.8
[INFO] [stderr]   Downloaded thiserror v1.0.58
[INFO] [stderr]   Downloaded crossbeam-deque v0.8.5
[INFO] [stderr]   Downloaded poseidon-primitives v0.1.1
[INFO] [stderr]   Downloaded arrayref v0.3.7
[INFO] [stderr]   Downloaded arrayvec v0.7.4
[INFO] [stderr]   Downloaded group v0.13.0
[INFO] [stderr]   Downloaded digest v0.10.7
[INFO] [stderr]   Downloaded ff v0.13.0
[INFO] [stderr]   Downloaded either v1.10.0
[INFO] [stderr]   Downloaded pairing v0.23.0
[INFO] [stderr]   Downloaded block-buffer v0.10.4
[INFO] [stderr]   Downloaded keccak v0.1.5
[INFO] [stderr]   Downloaded spin v0.5.2
[INFO] [stderr]   Downloaded rand_xorshift v0.3.0
[INFO] [stderr]   Downloaded thiserror-impl v1.0.58
[INFO] [stderr]   Downloaded sha3 v0.10.8
[INFO] [stderr]   Downloaded halo2curves-axiom v0.5.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 248a9dcc81186de0a4264a97a3e5282ddcd410b552822e3df475a7b82a50cc18
[INFO] running `Command { std: "docker" "start" "-a" "248a9dcc81186de0a4264a97a3e5282ddcd410b552822e3df475a7b82a50cc18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "248a9dcc81186de0a4264a97a3e5282ddcd410b552822e3df475a7b82a50cc18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "248a9dcc81186de0a4264a97a3e5282ddcd410b552822e3df475a7b82a50cc18", kill_on_drop: false }`
[INFO] [stdout] 248a9dcc81186de0a4264a97a3e5282ddcd410b552822e3df475a7b82a50cc18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2796e4b54c923d79d4beb4d2681db8792410d4de1b63a2614bb3823cef68404
[INFO] running `Command { std: "docker" "start" "-a" "d2796e4b54c923d79d4beb4d2681db8792410d4de1b63a2614bb3823cef68404", 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 libc v0.2.153
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]     Checking constant_time_eq v0.3.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking arrayref v0.3.7
[INFO] [stderr]     Checking blake2b_simd v1.0.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]    Compiling halo2curves-axiom v0.5.3
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking cpufeatures v0.2.12
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking crossbeam-queue v0.3.11
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]     Checking keccak v0.1.5
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]     Checking colored v2.1.0
[INFO] [stderr]     Checking crossbeam v0.8.4
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking ark-std v0.3.0
[INFO] [stderr]     Checking ff v0.13.0
[INFO] [stderr]     Checking group v0.13.0
[INFO] [stderr]     Checking pasta_curves v0.5.1
[INFO] [stderr]     Checking pairing v0.23.0
[INFO] [stderr]     Checking maybe-rayon v0.1.1
[INFO] [stderr]    Compiling getset v0.1.2
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]     Checking poseidon-primitives v0.1.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/poseidon-primitives-0.1.1/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(slice_group_by)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `poseidon-primitives` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d2796e4b54c923d79d4beb4d2681db8792410d4de1b63a2614bb3823cef68404", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2796e4b54c923d79d4beb4d2681db8792410d4de1b63a2614bb3823cef68404", kill_on_drop: false }`
[INFO] [stdout] d2796e4b54c923d79d4beb4d2681db8792410d4de1b63a2614bb3823cef68404
