[INFO] cloning repository https://github.com/CeciliaZ030/plonky2-smt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CeciliaZ030/plonky2-smt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCeciliaZ030%2Fplonky2-smt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCeciliaZ030%2Fplonky2-smt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e8efc41c9cd9019c2184fc430c62b025691fc9b1
[INFO] documenting CeciliaZ030/plonky2-smt against 1.75.0 for beta-1.76-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCeciliaZ030%2Fplonky2-smt" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CeciliaZ030/plonky2-smt 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] started tweaking git repo https://github.com/CeciliaZ030/plonky2-smt
[INFO] finished tweaking git repo https://github.com/CeciliaZ030/plonky2-smt
[INFO] tweaked toml for git repo https://github.com/CeciliaZ030/plonky2-smt written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/CeciliaZ030/plonky2-smt 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/polymerdao/plonky2`
[INFO] [stderr]     Updating git repository `https://github.com/polymerdao/plonky2-sha512`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unroll v0.1.5
[INFO] [stderr]   Downloaded keccak-hash v0.8.0
[INFO] [stderr]   Downloaded keccak-hash v0.10.0
[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] c03d72d472e1dc2aebaaa82ca7005ff1922557010b381448b944bb30f156d035
[INFO] running `Command { std: "docker" "start" "-a" "c03d72d472e1dc2aebaaa82ca7005ff1922557010b381448b944bb30f156d035", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c03d72d472e1dc2aebaaa82ca7005ff1922557010b381448b944bb30f156d035", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c03d72d472e1dc2aebaaa82ca7005ff1922557010b381448b944bb30f156d035", kill_on_drop: false }`
[INFO] [stdout] c03d72d472e1dc2aebaaa82ca7005ff1922557010b381448b944bb30f156d035
[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" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de96bbff546ae05442efc982df62675ea55a0378f65fe791f0310f820ff3d6d1
[INFO] running `Command { std: "docker" "start" "-a" "de96bbff546ae05442efc982df62675ea55a0378f65fe791f0310f820ff3d6d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling rayon-core v1.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking uint v0.9.5
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling once_cell v1.17.0
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling anyhow v1.0.68
[INFO] [stderr]     Checking fixed-hash v0.7.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling io-lifetimes v1.0.3
[INFO] [stderr]     Checking primitive-types v0.10.1
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]    Compiling rustix v0.36.6
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]     Checking plonky2_util v0.1.0 (https://github.com/polymerdao/plonky2?rev=4cb0b48df1d227d5461a4c28ed025aaea64e2e62#4cb0b48d)
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking fixed-hash v0.8.0
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]     Checking primitive-types v0.12.1
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking cpufeatures v0.2.5
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.3
[INFO] [stderr]     Checking digest v0.10.6
[INFO] [stderr]     Checking sha2 v0.10.6
[INFO] [stderr]    Compiling const-random-macro v0.1.15
[INFO] [stderr]     Checking keccak-hash v0.8.0
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking const-random v0.1.15
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking regex v1.7.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking keccak-hash v0.10.0
[INFO] [stderr]     Checking rayon v1.6.1
[INFO] [stderr]     Checking is-terminal v0.4.2
[INFO] [stderr]     Checking num-complex v0.4.2
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]     Checking maybe_rayon v0.1.0 (https://github.com/polymerdao/plonky2?rev=4cb0b48df1d227d5461a4c28ed025aaea64e2e62#4cb0b48d)
[INFO] [stderr]    Compiling unroll v0.1.5
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking plonky2_field v0.1.0 (https://github.com/polymerdao/plonky2?rev=4cb0b48df1d227d5461a4c28ed025aaea64e2e62#4cb0b48d)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/plonky2-ea4867c042026f39/4cb0b48/field/src/lib.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(generic_const_exprs)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/plonky2-ea4867c042026f39/4cb0b48/field/src/lib.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(stdsimd)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/plonky2-ea4867c042026f39/4cb0b48/field/src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![feature(specialization)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/plonky2-ea4867c042026f39/4cb0b48/field/src/lib.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(stdsimd)]
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `plonky2_field` (lib) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "de96bbff546ae05442efc982df62675ea55a0378f65fe791f0310f820ff3d6d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de96bbff546ae05442efc982df62675ea55a0378f65fe791f0310f820ff3d6d1", kill_on_drop: false }`
[INFO] [stdout] de96bbff546ae05442efc982df62675ea55a0378f65fe791f0310f820ff3d6d1
[INFO] documenting CeciliaZ030/plonky2-smt against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCeciliaZ030%2Fplonky2-smt" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CeciliaZ030/plonky2-smt on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/CeciliaZ030/plonky2-smt
[INFO] finished tweaking git repo https://github.com/CeciliaZ030/plonky2-smt
[INFO] tweaked toml for git repo https://github.com/CeciliaZ030/plonky2-smt written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/CeciliaZ030/plonky2-smt 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" "+beta-2023-12-22" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad3d867b0e373b011b657d9b9abfaa9b260fcad393eaa28e051bf6b224105b2e
[INFO] running `Command { std: "docker" "start" "-a" "ad3d867b0e373b011b657d9b9abfaa9b260fcad393eaa28e051bf6b224105b2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad3d867b0e373b011b657d9b9abfaa9b260fcad393eaa28e051bf6b224105b2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad3d867b0e373b011b657d9b9abfaa9b260fcad393eaa28e051bf6b224105b2e", kill_on_drop: false }`
[INFO] [stdout] ad3d867b0e373b011b657d9b9abfaa9b260fcad393eaa28e051bf6b224105b2e
[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=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" "+beta-2023-12-22" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2435c7e842daec7bd2897cca55000a3d788fe81002b33917babbd5ca4b9fbb7c
[INFO] running `Command { std: "docker" "start" "-a" "2435c7e842daec7bd2897cca55000a3d788fe81002b33917babbd5ca4b9fbb7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling rayon-core v1.10.1
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling once_cell v1.17.0
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]     Checking uint v0.9.5
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling anyhow v1.0.68
[INFO] [stderr]     Checking fixed-hash v0.7.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking primitive-types v0.10.1
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking plonky2_util v0.1.0 (https://github.com/polymerdao/plonky2?rev=4cb0b48df1d227d5461a4c28ed025aaea64e2e62#4cb0b48d)
[INFO] [stderr]    Compiling rustix v0.36.6
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]     Checking fixed-hash v0.8.0
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking primitive-types v0.12.1
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.3
[INFO] [stderr]     Checking cpufeatures v0.2.5
[INFO] [stderr]     Checking digest v0.10.6
[INFO] [stderr]    Compiling const-random-macro v0.1.15
[INFO] [stderr]     Checking sha2 v0.10.6
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking keccak-hash v0.8.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking const-random v0.1.15
[INFO] [stderr]     Checking regex v1.7.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rayon v1.6.1
[INFO] [stderr]     Checking keccak-hash v0.10.0
[INFO] [stderr]     Checking is-terminal v0.4.2
[INFO] [stderr]     Checking num-complex v0.4.2
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]     Checking maybe_rayon v0.1.0 (https://github.com/polymerdao/plonky2?rev=4cb0b48df1d227d5461a4c28ed025aaea64e2e62#4cb0b48d)
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]    Compiling unroll v0.1.5
[INFO] [stderr]     Checking plonky2_field v0.1.0 (https://github.com/polymerdao/plonky2?rev=4cb0b48df1d227d5461a4c28ed025aaea64e2e62#4cb0b48d)
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/plonky2-ea4867c042026f39/4cb0b48/field/src/lib.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(generic_const_exprs)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/plonky2-ea4867c042026f39/4cb0b48/field/src/lib.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(stdsimd)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/plonky2-ea4867c042026f39/4cb0b48/field/src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![feature(specialization)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/plonky2-ea4867c042026f39/4cb0b48/field/src/lib.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(stdsimd)]
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `plonky2_field` (lib) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2435c7e842daec7bd2897cca55000a3d788fe81002b33917babbd5ca4b9fbb7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2435c7e842daec7bd2897cca55000a3d788fe81002b33917babbd5ca4b9fbb7c", kill_on_drop: false }`
[INFO] [stdout] 2435c7e842daec7bd2897cca55000a3d788fe81002b33917babbd5ca4b9fbb7c
