[INFO] updating cached repository https://github.com/rust-photogrammetry/vslam-sandbox
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/rust-photogrammetry/vslam-sandbox
[INFO] [stderr]    3c48a9b..cd5c396  slam       -> slam
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0ee688d5023b283ee27c1352a38be6fb5af2e711
[INFO] testing rust-photogrammetry/vslam-sandbox against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-photogrammetry%2Fvslam-sandbox" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rust-photogrammetry/vslam-sandbox on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/rust-photogrammetry/vslam-sandbox
[INFO] finished tweaking git repo https://github.com/rust-photogrammetry/vslam-sandbox
[INFO] tweaked toml for git repo https://github.com/rust-photogrammetry/vslam-sandbox written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/rust-photogrammetry/vslam-sandbox already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stdout] d27e7e371997cf761c90912c6330002a565afa3e5ca8f1118f4a069c8cda13e1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "d27e7e371997cf761c90912c6330002a565afa3e5ca8f1118f4a069c8cda13e1"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling sample-consensus v0.2.0
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling hamming v0.1.3
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]    Compiling bytemuck v1.2.0
[INFO] [stderr]    Compiling primal-estimate v0.2.1
[INFO] [stderr]    Compiling space v0.10.3
[INFO] [stderr]    Compiling ahash v0.3.5
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling hashbag v0.1.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling sharded-slab v0.0.9
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]    Compiling peg v0.5.7
[INFO] [stderr]    Compiling matrixmultiply v0.2.3
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]    Compiling deflate v0.8.4
[INFO] [stderr]    Compiling tiff v0.4.0
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling bitarray v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bitarray-0.2.2/src/lib.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | / #![feature(
[INFO] [stderr] 4 | |     const_generics,
[INFO] [stderr] 5 | |     link_llvm_intrinsics,
[INFO] [stderr] 6 | |     repr_simd,
[INFO] [stderr] 7 | |     simd_ffi,
[INFO] [stderr] 8 | |     platform_intrinsics
[INFO] [stderr] 9 | | )]
[INFO] [stderr]   | |__^
[INFO] [stderr] 
[INFO] [stderr]    Compiling evmap v10.0.2
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `bitarray`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "d27e7e371997cf761c90912c6330002a565afa3e5ca8f1118f4a069c8cda13e1"`
[INFO] running `"docker" "rm" "-f" "d27e7e371997cf761c90912c6330002a565afa3e5ca8f1118f4a069c8cda13e1"`
[INFO] [stdout] d27e7e371997cf761c90912c6330002a565afa3e5ca8f1118f4a069c8cda13e1