[INFO] fetching crate lcpc-brakedown-pc 0.1.1...
[INFO] testing lcpc-brakedown-pc-0.1.1 against 1.69.0 for beta-1.70-1
[INFO] extracting crate lcpc-brakedown-pc 0.1.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate lcpc-brakedown-pc 0.1.1 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lcpc-brakedown-pc 0.1.1
[INFO] finished tweaking crates.io crate lcpc-brakedown-pc 0.1.1
[INFO] tweaked toml for crates.io crate lcpc-brakedown-pc 0.1.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lcpc-test-fields v0.1.1
[INFO] [stderr]   Downloaded ff-derive-num v0.2.0
[INFO] [stderr]   Downloaded lcpc-2d v0.1.1
[INFO] [stderr]   Downloaded ndarray v0.14.0
[INFO] [stderr]   Downloaded sprs v0.10.0
[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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 093a33deaf8d56aaccdb72d5f182a12e0f08c2d751f6bb2eac7c8ec1f4ad0c00
[INFO] running `Command { std: "docker" "start" "-a" "093a33deaf8d56aaccdb72d5f182a12e0f08c2d751f6bb2eac7c8ec1f4ad0c00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "093a33deaf8d56aaccdb72d5f182a12e0f08c2d751f6bb2eac7c8ec1f4ad0c00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "093a33deaf8d56aaccdb72d5f182a12e0f08c2d751f6bb2eac7c8ec1f4ad0c00", kill_on_drop: false }`
[INFO] [stdout] 093a33deaf8d56aaccdb72d5f182a12e0f08c2d751f6bb2eac7c8ec1f4ad0c00
[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=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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd1cd4cebdb635222d416f57b8513d9fef34ed82310f17860265dd19ac3cd7de
[INFO] running `Command { std: "docker" "start" "-a" "fd1cd4cebdb635222d416f57b8513d9fef34ed82310f17860265dd19ac3cd7de", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]    Compiling rustversion v1.0.12
[INFO] [stderr]    Compiling getrandom v0.2.9
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling num_cpus v1.15.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling wyz v0.5.1
[INFO] [stderr]    Compiling err-derive v0.2.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling ndarray v0.14.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling funty v2.0.0
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling rayon v1.7.0
[INFO] [stderr]    Compiling matrixmultiply v0.2.4
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling bitvec v1.0.1
[INFO] [stderr]    Compiling addchain v0.2.0
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling alga v0.9.3
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling ff_derive v0.12.1
[INFO] [stderr]    Compiling zeroize v1.6.0
[INFO] [stderr]    Compiling merlin v2.0.1
[INFO] [stderr]    Compiling ff v0.12.1
[INFO] [stderr]    Compiling sprs v0.10.0
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling serde_bytes v0.11.9
[INFO] [stderr]    Compiling lcpc-2d v0.1.1
[INFO] [stderr]    Compiling lcpc-brakedown-pc v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | #![feature(test)]
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lcpc-brakedown-pc` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "fd1cd4cebdb635222d416f57b8513d9fef34ed82310f17860265dd19ac3cd7de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd1cd4cebdb635222d416f57b8513d9fef34ed82310f17860265dd19ac3cd7de", kill_on_drop: false }`
[INFO] [stdout] fd1cd4cebdb635222d416f57b8513d9fef34ed82310f17860265dd19ac3cd7de
