[INFO] cloning repository https://github.com/neatsys/boson-circuit
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/neatsys/boson-circuit" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneatsys%2Fboson-circuit", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneatsys%2Fboson-circuit'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6098bc8adaa5ef4b5226779432a77ed5c323ca5a
[INFO] checking neatsys/boson-circuit against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneatsys%2Fboson-circuit" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-0-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-0-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/neatsys/boson-circuit
[INFO] finished tweaking git repo https://github.com/neatsys/boson-circuit
[INFO] tweaked toml for git repo https://github.com/neatsys/boson-circuit written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/neatsys/boson-circuit 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/neatsys/boson-circuit 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]     Updating git repository `https://github.com/neatsys/plonky2`
[INFO] [stderr]     Updating git repository `https://github.com/neatsys/plonky2-u32`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unroll v0.1.5
[INFO] [stderr]   Downloaded serde_derive v1.0.198
[INFO] [stderr]   Downloaded either v1.11.0
[INFO] [stderr]   Downloaded num v0.4.2
[INFO] [stderr]   Downloaded proc-macro2 v1.0.81
[INFO] [stderr]   Downloaded keccak-hash v0.8.0
[INFO] [stderr]   Downloaded num-iter v0.1.44
[INFO] [stderr]   Downloaded autocfg v1.2.0
[INFO] [stderr]   Downloaded getrandom v0.2.14
[INFO] [stderr]   Downloaded num-complex v0.4.5
[INFO] [stderr]   Downloaded anyhow v1.0.82
[INFO] [stderr]   Downloaded miniz_oxide v0.7.2
[INFO] [stderr]   Downloaded serde v1.0.198
[INFO] [stderr]   Downloaded num-traits v0.2.18
[INFO] [stderr]   Downloaded cc v1.0.95
[INFO] [stderr]   Downloaded memchr v2.7.2
[INFO] [stderr]   Downloaded backtrace v0.3.71
[INFO] [stderr]   Downloaded syn v2.0.60
[INFO] [stderr]   Downloaded tracing-subscriber v0.3.18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 4b3ef5451fbce88d3d9de916b1a72de265e4d00d707ddd611c3183cf6742a246
[INFO] running `Command { std: "docker" "start" "-a" "4b3ef5451fbce88d3d9de916b1a72de265e4d00d707ddd611c3183cf6742a246", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b3ef5451fbce88d3d9de916b1a72de265e4d00d707ddd611c3183cf6742a246", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b3ef5451fbce88d3d9de916b1a72de265e4d00d707ddd611c3183cf6742a246", kill_on_drop: false }`
[INFO] [stdout] 4b3ef5451fbce88d3d9de916b1a72de265e4d00d707ddd611c3183cf6742a246
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 2939cbad32e82440e4da29baec19541b94abfd699a3d521702c081a6c622dc84
[INFO] running `Command { std: "docker" "start" "-a" "2939cbad32e82440e4da29baec19541b94abfd699a3d521702c081a6c622dc84", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.81
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking either v1.11.0
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling cc v1.0.95
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.60
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling getrandom v0.2.14
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling serde v1.0.198
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]    Compiling anyhow v1.0.82
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking uint v0.9.5
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking const-random v0.1.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking fixed-hash v0.7.0
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]     Checking primitive-types v0.10.1
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking plonky2_util v0.2.0 (https://github.com/neatsys/plonky2#ef2d5b34)
[INFO] [stderr]     Checking keccak-hash v0.8.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking num v0.4.2
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking plonky2_maybe_rayon v0.2.0 (https://github.com/neatsys/plonky2#ef2d5b34)
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling unroll v0.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.198
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking plonky2_field v0.2.1 (https://github.com/neatsys/plonky2#ef2d5b34)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/plonky2-ad9caddc7c106f90/ef2d5b3/field/src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(specialization)]
[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 `plonky2_field` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2939cbad32e82440e4da29baec19541b94abfd699a3d521702c081a6c622dc84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2939cbad32e82440e4da29baec19541b94abfd699a3d521702c081a6c622dc84", kill_on_drop: false }`
[INFO] [stdout] 2939cbad32e82440e4da29baec19541b94abfd699a3d521702c081a6c622dc84