[INFO] fetching crate cv 0.6.0...
[INFO] checking cv-0.6.0 against 1.95.0 for pr-155915
[INFO] extracting crate cv 0.6.0 into /workspace/builds/worker-3-tc1/source
[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-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cv 0.6.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 69 packages to latest compatible versions
[INFO] [stderr]       Adding arrsac v0.5.0 (available: v0.11.0)
[INFO] [stderr]       Adding bitarray v0.2.6 (available: v0.10.0)
[INFO] [stderr]       Adding hnsw v0.6.1 (available: v0.11.0)
[INFO] [stderr]       Adding levenberg-marquardt v0.5.2 (available: v0.15.0)
[INFO] [stderr]       Adding space v0.10.3 (available: v0.19.0)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded space v0.10.3
[INFO] [stderr]   Downloaded lambda-twist v0.7.0
[INFO] [stderr]   Downloaded sample-consensus v1.0.2
[INFO] [stderr]   Downloaded cv-core v0.15.0
[INFO] [stderr]   Downloaded levenberg-marquardt v0.5.2
[INFO] [stderr]   Downloaded eight-point v0.8.0
[INFO] [stderr]   Downloaded nshare v0.1.1
[INFO] [stderr]   Downloaded primal-estimate v0.3.3
[INFO] [stderr]   Downloaded primal-bit v0.3.2
[INFO] [stderr]   Downloaded arrsac v0.5.0
[INFO] [stderr]   Downloaded bitarray v0.2.6
[INFO] [stderr]   Downloaded primal v0.3.3
[INFO] [stderr]   Downloaded matrixmultiply v0.2.4
[INFO] [stderr]   Downloaded primal-sieve v0.3.7
[INFO] [stderr]   Downloaded ahash v0.3.8
[INFO] [stderr]   Downloaded hashbrown v0.7.2
[INFO] [stderr]   Downloaded cv-pinhole v0.6.0
[INFO] [stderr]   Downloaded simba v0.1.5
[INFO] [stderr]   Downloaded hnsw v0.6.1
[INFO] [stderr]   Downloaded hamming v0.1.3
[INFO] [stderr]   Downloaded cv-geom v0.7.0
[INFO] [stderr]   Downloaded ndarray v0.13.1
[INFO] [stderr]   Downloaded nalgebra v0.21.1
[INFO] [stderr]   Downloaded akaze v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 6ed223c7d1475619a0d2cf19e08fb3f7251ceed10fbb99d23320d1fa58d24afe
[INFO] running `Command { std: "docker" "start" "-a" "6ed223c7d1475619a0d2cf19e08fb3f7251ceed10fbb99d23320d1fa58d24afe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ed223c7d1475619a0d2cf19e08fb3f7251ceed10fbb99d23320d1fa58d24afe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ed223c7d1475619a0d2cf19e08fb3f7251ceed10fbb99d23320d1fa58d24afe", kill_on_drop: false }`
[INFO] [stdout] 6ed223c7d1475619a0d2cf19e08fb3f7251ceed10fbb99d23320d1fa58d24afe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] b64ffeae2cc9bfeb8a80f09b81e816f1c81f3a865d2aef908574c28826b83ce1
[INFO] running `Command { std: "docker" "start" "-a" "b64ffeae2cc9bfeb8a80f09b81e816f1c81f3a865d2aef908574c28826b83ce1", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking sample-consensus v1.0.2
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]     Checking generic-array v0.13.3
[INFO] [stderr]     Checking float-ord v0.2.0
[INFO] [stderr]     Checking hamming v0.1.3
[INFO] [stderr]     Checking matrixmultiply v0.2.4
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking primal-estimate v0.3.3
[INFO] [stderr]    Compiling derive_more v0.99.20
[INFO] [stderr]     Checking space v0.10.3
[INFO] [stderr]    Compiling levenberg-marquardt v0.5.2
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking bitarray v0.2.6
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking arrsac v0.5.0
[INFO] [stderr]     Checking primal-bit v0.3.2
[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/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] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bitarray` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b64ffeae2cc9bfeb8a80f09b81e816f1c81f3a865d2aef908574c28826b83ce1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b64ffeae2cc9bfeb8a80f09b81e816f1c81f3a865d2aef908574c28826b83ce1", kill_on_drop: false }`
[INFO] [stdout] b64ffeae2cc9bfeb8a80f09b81e816f1c81f3a865d2aef908574c28826b83ce1