[INFO] fetching crate hypercore 0.11.1-beta.8...
[INFO] testing hypercore-0.11.1-beta.8 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate hypercore 0.11.1-beta.8 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate hypercore 0.11.1-beta.8 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 hypercore 0.11.1-beta.8
[INFO] finished tweaking crates.io crate hypercore 0.11.1-beta.8
[INFO] tweaked toml for crates.io crate hypercore 0.11.1-beta.8 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate hypercore 0.11.1-beta.8 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]  Downloading crates ...
[INFO] [stderr]   Downloaded sleep-parser v0.8.0
[INFO] [stderr]   Downloaded bitfield-rle v0.1.1
[INFO] [stderr]   Downloaded merkle-tree-stream v0.12.0
[INFO] [stderr]   Downloaded tree-index v0.6.0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 082ab6783f068c86103903d88b190143e0443cfc8225aa10da51ed713c35ea57
[INFO] running `"docker" "start" "-a" "082ab6783f068c86103903d88b190143e0443cfc8225aa10da51ed713c35ea57"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v1.0.13
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling syn v1.0.22
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]    Compiling cc v1.0.53
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling flat-tree v5.0.0
[INFO] [stderr]    Compiling subtle v2.2.2
[INFO] [stderr]    Compiling pin-project-lite v0.1.5
[INFO] [stderr]    Compiling futures-timer v2.0.2
[INFO] [stderr]    Compiling zeroize v1.1.0
[INFO] [stderr]    Compiling memory-pager v0.9.0
[INFO] [stderr]    Compiling mkdirp v1.0.0
[INFO] [stderr]    Compiling varinteger v1.0.6
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling addr2line v0.12.0
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling merkle-tree-stream v0.12.0
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling sparse-bitfield v0.11.0
[INFO] [stderr]    Compiling tree-index v0.6.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.5
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling blake2-rfc v0.2.18
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]    Compiling sha2 v0.8.1
[INFO] [stderr]    Compiling crossbeam-channel v0.4.2
[INFO] [stderr]    Compiling quote v1.0.5
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling backtrace v0.3.48
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.34
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling async-task v1.3.1
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling curve25519-dalek v2.0.0
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling ed25519-dalek v1.0.0-pre.3
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling pin-project-internal v0.4.16
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling async-trait v0.1.31
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling async-std v1.5.0
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling sleep-parser v0.8.0
[INFO] [stderr]    Compiling bitfield-rle v0.1.1
[INFO] [stderr]    Compiling pretty-hash v0.4.1
[INFO] [stderr]    Compiling random-access-storage v4.0.0
[INFO] [stderr]    Compiling pin-project v0.4.16
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling random-access-disk v2.0.0
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling random-access-memory v2.0.0
[INFO] [stderr]    Compiling hypercore v0.11.1-beta.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 26s
[INFO] running `"docker" "inspect" "082ab6783f068c86103903d88b190143e0443cfc8225aa10da51ed713c35ea57"`
[INFO] running `"docker" "rm" "-f" "082ab6783f068c86103903d88b190143e0443cfc8225aa10da51ed713c35ea57"`
[INFO] [stdout] 082ab6783f068c86103903d88b190143e0443cfc8225aa10da51ed713c35ea57
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 856b23f0a54cf9cd5f41e6b179f3d271e66b7c63eed4d7075b5786f6c8edf2bd
[INFO] running `"docker" "start" "-a" "856b23f0a54cf9cd5f41e6b179f3d271e66b7c63eed4d7075b5786f6c8edf2bd"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling data-encoding v2.2.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling quickcheck v0.9.2
[INFO] [stderr]    Compiling hypercore v0.11.1-beta.8 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `hypercore`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name feed --edition=2018 tests/feed.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -Cembed-bitcode=no -C debuginfo=2 --test -C metadata=4f909791e66f3be7 -C extra-filename=-4f909791e66f3be7 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-12dd093edca35ef5.rlib --extern async_std=/opt/rustwide/target/debug/deps/libasync_std-6a7b9fdcf15a081d.rlib --extern bitfield_rle=/opt/rustwide/target/debug/deps/libbitfield_rle-48550265c2548d4f.rlib --extern blake2_rfc=/opt/rustwide/target/debug/deps/libblake2_rfc-e3dd1e46fb923fdd.rlib --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-f6bd81cfbe7f0319.rlib --extern data_encoding=/opt/rustwide/target/debug/deps/libdata_encoding-9154cb59b7e77f50.rlib --extern ed25519_dalek=/opt/rustwide/target/debug/deps/libed25519_dalek-6845fa139b268c28.rlib --extern flat_tree=/opt/rustwide/target/debug/deps/libflat_tree-9ab7275b3ad557ea.rlib --extern futures=/opt/rustwide/target/debug/deps/libfutures-e7f33485ff8222f1.rlib --extern hypercore=/opt/rustwide/target/debug/deps/libhypercore-eeeea212820df71d.rlib --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-36bd8bbfaaa85bd1.rlib --extern memory_pager=/opt/rustwide/target/debug/deps/libmemory_pager-0a9373255e427e19.rlib --extern merkle_tree_stream=/opt/rustwide/target/debug/deps/libmerkle_tree_stream-333d3e933e594b29.rlib --extern pretty_hash=/opt/rustwide/target/debug/deps/libpretty_hash-6252d9abe075556e.rlib --extern quickcheck=/opt/rustwide/target/debug/deps/libquickcheck-3b42ac8d95df996a.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-2b60bf122f9ebfe5.rlib --extern random_access_disk=/opt/rustwide/target/debug/deps/librandom_access_disk-304034eb3352620b.rlib --extern random_access_memory=/opt/rustwide/target/debug/deps/librandom_access_memory-0e745e8374950436.rlib --extern random_access_storage=/opt/rustwide/target/debug/deps/librandom_access_storage-34e80122fc05ac28.rlib --extern remove_dir_all=/opt/rustwide/target/debug/deps/libremove_dir_all-22b0b4e808fb54a1.rlib --extern sha2=/opt/rustwide/target/debug/deps/libsha2-7e832636d6f147e8.rlib --extern sleep_parser=/opt/rustwide/target/debug/deps/libsleep_parser-f26de25cfc07969d.rlib --extern sparse_bitfield=/opt/rustwide/target/debug/deps/libsparse_bitfield-1f80209c33244f5b.rlib --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-614e6c3e4de0cf41.rlib --extern tree_index=/opt/rustwide/target/debug/deps/libtree_index-75fd22dcfb3831ba.rlib --cap-lints=warn -L native=/opt/rustwide/target/debug/build/clear_on_drop-8c0af1f71d959937/out` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "856b23f0a54cf9cd5f41e6b179f3d271e66b7c63eed4d7075b5786f6c8edf2bd"`
[INFO] running `"docker" "rm" "-f" "856b23f0a54cf9cd5f41e6b179f3d271e66b7c63eed4d7075b5786f6c8edf2bd"`
[INFO] [stdout] 856b23f0a54cf9cd5f41e6b179f3d271e66b7c63eed4d7075b5786f6c8edf2bd