[INFO] fetching crate cv 0.6.0...
[INFO] testing cv-0.6.0 against 1.76.0 for beta-1.77-1
[INFO] extracting crate cv 0.6.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate cv 0.6.0 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cv 0.6.0
[INFO] finished tweaking crates.io crate cv 0.6.0
[INFO] tweaked toml for crates.io crate cv 0.6.0 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" "+1.76.0" "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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded primal-check v0.3.3
[INFO] [stderr]   Downloaded generic-array v0.13.3
[INFO] [stderr]   Downloaded cv-geom v0.7.0
[INFO] [stderr]   Downloaded float-ord v0.2.0
[INFO] [stderr]   Downloaded nshare v0.1.1
[INFO] [stderr]   Downloaded sample-consensus v1.0.2
[INFO] [stderr]   Downloaded cv-core v0.15.0
[INFO] [stderr]   Downloaded approx v0.3.2
[INFO] [stderr]   Downloaded hamming v0.1.3
[INFO] [stderr]   Downloaded cv-pinhole v0.6.0
[INFO] [stderr]   Downloaded nalgebra v0.21.1
[INFO] [stderr]   Downloaded ndarray v0.13.1
[INFO] [stderr]   Downloaded primal-bit v0.3.1
[INFO] [stderr]   Downloaded primal-estimate v0.3.2
[INFO] [stderr]   Downloaded primal-sieve v0.3.6
[INFO] [stderr]   Downloaded primal v0.3.2
[INFO] [stderr]   Downloaded arrsac v0.5.0
[INFO] [stderr]   Downloaded simba v0.1.5
[INFO] [stderr]   Downloaded eight-point v0.8.0
[INFO] [stderr]   Downloaded lambda-twist v0.7.0
[INFO] [stderr]   Downloaded space v0.10.3
[INFO] [stderr]   Downloaded bitarray v0.2.6
[INFO] [stderr]   Downloaded levenberg-marquardt v0.5.2
[INFO] [stderr]   Downloaded hnsw v0.6.1
[INFO] [stderr]   Downloaded akaze v0.7.0
[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" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0bcced871fdcd1bc76cebbc7c1a2e6a9aba2fe2310560cbf6f82c747939dc8d5
[INFO] running `Command { std: "docker" "start" "-a" "0bcced871fdcd1bc76cebbc7c1a2e6a9aba2fe2310560cbf6f82c747939dc8d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0bcced871fdcd1bc76cebbc7c1a2e6a9aba2fe2310560cbf6f82c747939dc8d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bcced871fdcd1bc76cebbc7c1a2e6a9aba2fe2310560cbf6f82c747939dc8d5", kill_on_drop: false }`
[INFO] [stdout] 0bcced871fdcd1bc76cebbc7c1a2e6a9aba2fe2310560cbf6f82c747939dc8d5
[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" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77390218825bddeb1611712bed27340f6dc4919dacf788eb130b757cb05e3ec3
[INFO] running `Command { std: "docker" "start" "-a" "77390218825bddeb1611712bed27340f6dc4919dacf788eb130b757cb05e3ec3", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling generic-array v0.13.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling sample-consensus v1.0.2
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling float-ord v0.2.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]    Compiling hamming v0.1.3
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling matrixmultiply v0.2.4
[INFO] [stderr]    Compiling primal-bit v0.3.1
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling primal-estimate v0.3.2
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling space v0.10.3
[INFO] [stderr]    Compiling bytemuck v1.14.3
[INFO] [stderr]    Compiling primal-sieve v0.3.6
[INFO] [stderr]    Compiling levenberg-marquardt v0.5.2
[INFO] [stderr]    Compiling ahash v0.3.8
[INFO] [stderr]    Compiling bitarray v0.2.6
[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-6f17d22bba15001f/bitarray-0.2.6/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(min_const_generics)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `min_const_generics` has been stable since `1.51.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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 `bitarray` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "77390218825bddeb1611712bed27340f6dc4919dacf788eb130b757cb05e3ec3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77390218825bddeb1611712bed27340f6dc4919dacf788eb130b757cb05e3ec3", kill_on_drop: false }`
[INFO] [stdout] 77390218825bddeb1611712bed27340f6dc4919dacf788eb130b757cb05e3ec3
