[INFO] crate storage 0.5.0 is already in cache
[INFO] testing storage-0.5.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate storage 0.5.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate storage 0.5.0 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 crates.io crate storage 0.5.0
[INFO] finished tweaking crates.io crate storage 0.5.0
[INFO] tweaked toml for crates.io crate storage 0.5.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded matrix v0.22.0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a61da63a684f98f4c5356627cf21a8d346dbb3034bb80d9838076d90b2f4f8de
[INFO] running `"docker" "start" "-a" "a61da63a684f98f4c5356627cf21a8d346dbb3034bb80d9838076d90b2f4f8de"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling matrix v0.22.0
[INFO] [stderr]    Compiling storage v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `self::matrix::BandMatrix`
[INFO] [stderr]  --> src/matrix.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub use self::matrix::BandMatrix;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^ no `BandMatrix` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved imports `self::matrix::CompressedMatrix`, `self::matrix::CompressedFormat`
[INFO] [stderr]  --> src/matrix.rs:6:24
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub use self::matrix::{CompressedMatrix, CompressedFormat};
[INFO] [stderr]   |                        ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^ no `CompressedFormat` in the root
[INFO] [stderr]   |                        |
[INFO] [stderr]   |                        no `CompressedMatrix` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `self::matrix::DiagonalMatrix`
[INFO] [stderr]  --> src/matrix.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub use self::matrix::DiagonalMatrix;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `DiagonalMatrix` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved imports `self::matrix::PackedMatrix`, `self::matrix::PackedFormat`
[INFO] [stderr]  --> src/matrix.rs:8:24
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub use self::matrix::{PackedMatrix, PackedFormat};
[INFO] [stderr]   |                        ^^^^^^^^^^^^  ^^^^^^^^^^^^ no `PackedFormat` in the root
[INFO] [stderr]   |                        |
[INFO] [stderr]   |                        no `PackedMatrix` in the root
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `storage`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "a61da63a684f98f4c5356627cf21a8d346dbb3034bb80d9838076d90b2f4f8de"`
[INFO] running `"docker" "rm" "-f" "a61da63a684f98f4c5356627cf21a8d346dbb3034bb80d9838076d90b2f4f8de"`
[INFO] [stdout] a61da63a684f98f4c5356627cf21a8d346dbb3034bb80d9838076d90b2f4f8de