[INFO] fetching crate cv 0.6.0...
[INFO] testing cv-0.6.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate cv 0.6.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate cv 0.6.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded primal v0.3.0
[INFO] [stderr]   Downloaded primal-bit v0.3.0
[INFO] [stderr]   Downloaded primal-sieve v0.3.2
[INFO] [stderr]   Downloaded primal-estimate v0.3.1
[INFO] [stderr]   Downloaded cv-pinhole v0.6.0
[INFO] [stderr]   Downloaded ndarray v0.13.1
[INFO] [stderr]   Downloaded matrixmultiply v0.2.4
[INFO] [stderr]   Downloaded arrsac v0.5.0
[INFO] [stderr]   Downloaded ahash v0.3.8
[INFO] [stderr]   Downloaded hashbrown v0.7.2
[INFO] [stderr]   Downloaded lambda-twist v0.7.0
[INFO] [stderr]   Downloaded hnsw v0.6.1
[INFO] [stderr]   Downloaded bitarray v0.2.6
[INFO] [stderr]   Downloaded eight-point v0.8.0
[INFO] [stderr]   Downloaded space v0.10.3
[INFO] [stderr]   Downloaded nshare v0.1.1
[INFO] [stderr]   Downloaded akaze v0.7.0
[INFO] [stderr]   Downloaded levenberg-marquardt v0.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd9b38d0d79b8d6f3a6cc81373f5c9963d0334a09c456a7cc6890e53a121a7b8
[INFO] running `Command { std: "docker" "start" "-a" "fd9b38d0d79b8d6f3a6cc81373f5c9963d0334a09c456a7cc6890e53a121a7b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd9b38d0d79b8d6f3a6cc81373f5c9963d0334a09c456a7cc6890e53a121a7b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd9b38d0d79b8d6f3a6cc81373f5c9963d0334a09c456a7cc6890e53a121a7b8", kill_on_drop: false }`
[INFO] [stdout] fd9b38d0d79b8d6f3a6cc81373f5c9963d0334a09c456a7cc6890e53a121a7b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25c7f9d82e7c226dfe526fee558ac8a2e6a7e0499db18df24276ec67cf177540
[INFO] running `Command { std: "docker" "start" "-a" "25c7f9d82e7c226dfe526fee558ac8a2e6a7e0499db18df24276ec67cf177540", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libm v0.2.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling sample-consensus v1.0.2
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling float-ord v0.2.0
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]    Compiling hamming v0.1.3
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling primal-estimate v0.3.1
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling space v0.10.3
[INFO] [stderr]    Compiling bytemuck v1.9.1
[INFO] [stderr]    Compiling ahash v0.3.8
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]    Compiling matrixmultiply v0.2.4
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling primal-bit v0.3.0
[INFO] [stderr]    Compiling bitarray v0.2.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/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 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` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "25c7f9d82e7c226dfe526fee558ac8a2e6a7e0499db18df24276ec67cf177540", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25c7f9d82e7c226dfe526fee558ac8a2e6a7e0499db18df24276ec67cf177540", kill_on_drop: false }`
[INFO] [stdout] 25c7f9d82e7c226dfe526fee558ac8a2e6a7e0499db18df24276ec67cf177540