[INFO] fetching crate hypercore 0.11.1-beta.9...
[INFO] testing hypercore-0.11.1-beta.9 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate hypercore 0.11.1-beta.9 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate hypercore 0.11.1-beta.9 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hypercore 0.11.1-beta.9
[INFO] finished tweaking crates.io crate hypercore 0.11.1-beta.9
[INFO] tweaked toml for crates.io crate hypercore 0.11.1-beta.9 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate hypercore 0.11.1-beta.9 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c60bad89d57824ae6046dcf2742c314b4ad7cda7f15f18eb7421e53c2a3f2dd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0c60bad89d57824ae6046dcf2742c314b4ad7cda7f15f18eb7421e53c2a3f2dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c60bad89d57824ae6046dcf2742c314b4ad7cda7f15f18eb7421e53c2a3f2dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c60bad89d57824ae6046dcf2742c314b4ad7cda7f15f18eb7421e53c2a3f2dd", kill_on_drop: false }`
[INFO] [stdout] 0c60bad89d57824ae6046dcf2742c314b4ad7cda7f15f18eb7421e53c2a3f2dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 834426dbf4cb680abba4cc91c78dddc7e704288b38d16172b553f2bf4c63ca03
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "834426dbf4cb680abba4cc91c78dddc7e704288b38d16172b553f2bf4c63ca03", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling memchr v2.3.2
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling futures-io v0.3.4
[INFO] [stderr]    Compiling futures-core v0.3.4
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]    Compiling futures-sink v0.3.4
[INFO] [stderr]    Compiling anyhow v1.0.28
[INFO] [stderr]    Compiling futures-task v0.3.4
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling flat-tree v5.0.0
[INFO] [stderr]    Compiling memory-pager v0.9.0
[INFO] [stderr]    Compiling zeroize v1.1.0
[INFO] [stderr]    Compiling subtle v2.2.2
[INFO] [stderr]    Compiling once_cell v1.3.1
[INFO] [stderr]    Compiling futures-timer v2.0.2
[INFO] [stderr]    Compiling mkdirp v1.0.0
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling varinteger v1.0.6
[INFO] [stderr]    Compiling futures-channel v0.3.4
[INFO] [stderr]    Compiling merkle-tree-stream v0.12.0
[INFO] [stderr]    Compiling sparse-bitfield v0.11.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling async-task v1.3.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling tree-index v0.6.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling sha2 v0.8.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling kv-log-macro v1.0.4
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling curve25519-dalek v2.0.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling blake2-rfc v0.2.18
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling crossbeam-channel v0.4.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling crossbeam-deque v0.7.2
[INFO] [stderr]    Compiling backtrace v0.3.44
[INFO] [stderr]    Compiling ed25519-dalek v1.0.0-pre.3
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling async-trait v0.1.30
[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 v0.2.0
[INFO] [stderr]    Compiling pretty-hash v0.4.1
[INFO] [stderr]    Compiling futures-util v0.3.4
[INFO] [stderr]    Compiling random-access-storage v4.0.0
[INFO] [stderr]    Compiling random-access-disk v2.0.0
[INFO] [stderr]    Compiling futures-executor v0.3.4
[INFO] [stderr]    Compiling futures v0.3.4
[INFO] [stderr]    Compiling random-access-memory v2.0.0
[INFO] [stderr]    Compiling hypercore v0.11.1-beta.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 08s
[INFO] running `Command { std: "docker" "inspect" "834426dbf4cb680abba4cc91c78dddc7e704288b38d16172b553f2bf4c63ca03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "834426dbf4cb680abba4cc91c78dddc7e704288b38d16172b553f2bf4c63ca03", kill_on_drop: false }`
[INFO] [stdout] 834426dbf4cb680abba4cc91c78dddc7e704288b38d16172b553f2bf4c63ca03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bf67bddd19dfdc1b124384d98498747c06873c424624cdadbb4627fdee650fbf
[INFO] running `Command { std: "docker" "start" "-a" "bf67bddd19dfdc1b124384d98498747c06873c424624cdadbb4627fdee650fbf", kill_on_drop: false }`
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling data-encoding v2.2.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling aho-corasick v0.7.8
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling quickcheck v0.9.2
[INFO] [stderr]    Compiling hypercore v0.11.1-beta.9 (/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=b140ca176261487a -C extra-filename=-b140ca176261487a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-32b66572876f04db.rlib --extern async_std=/opt/rustwide/target/debug/deps/libasync_std-1397b26685b4cf96.rlib --extern bitfield_rle=/opt/rustwide/target/debug/deps/libbitfield_rle-08abbe8563768038.rlib --extern blake2_rfc=/opt/rustwide/target/debug/deps/libblake2_rfc-f7383dfe845fb0ed.rlib --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-cd38a06705c534fc.rlib --extern data_encoding=/opt/rustwide/target/debug/deps/libdata_encoding-d2ae73a6347f6555.rlib --extern ed25519_dalek=/opt/rustwide/target/debug/deps/libed25519_dalek-6ed7a9aee644962e.rlib --extern flat_tree=/opt/rustwide/target/debug/deps/libflat_tree-d972808ed499d225.rlib --extern futures=/opt/rustwide/target/debug/deps/libfutures-47401b35873c4389.rlib --extern hypercore=/opt/rustwide/target/debug/deps/libhypercore-c2b6ffef217fa4d2.rlib --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-7c0477ae3415ac1f.rlib --extern memory_pager=/opt/rustwide/target/debug/deps/libmemory_pager-3abdb9ad1ff5d638.rlib --extern merkle_tree_stream=/opt/rustwide/target/debug/deps/libmerkle_tree_stream-66ca31c38ece6dba.rlib --extern pretty_hash=/opt/rustwide/target/debug/deps/libpretty_hash-c674388881474055.rlib --extern quickcheck=/opt/rustwide/target/debug/deps/libquickcheck-178502ca8f2cb1f7.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-ead5db92f32932b9.rlib --extern random_access_disk=/opt/rustwide/target/debug/deps/librandom_access_disk-6d4b4c552417ef36.rlib --extern random_access_memory=/opt/rustwide/target/debug/deps/librandom_access_memory-096908619c4014e0.rlib --extern random_access_storage=/opt/rustwide/target/debug/deps/librandom_access_storage-f47995ff7f9de2ee.rlib --extern remove_dir_all=/opt/rustwide/target/debug/deps/libremove_dir_all-a91f273d7fa78a84.rlib --extern sha2=/opt/rustwide/target/debug/deps/libsha2-5373b4970f655af8.rlib --extern sleep_parser=/opt/rustwide/target/debug/deps/libsleep_parser-ff21ae218a294c0a.rlib --extern sparse_bitfield=/opt/rustwide/target/debug/deps/libsparse_bitfield-1deb9cd0889f5e09.rlib --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-ab5f35737a98ea18.rlib --extern tree_index=/opt/rustwide/target/debug/deps/libtree_index-2d69ef0859026013.rlib --cap-lints=forbid -L native=/opt/rustwide/target/debug/build/backtrace-sys-71b68ceb70236fb6/out -L native=/opt/rustwide/target/debug/build/clear_on_drop-f04b755c37aaa7b2/out` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "bf67bddd19dfdc1b124384d98498747c06873c424624cdadbb4627fdee650fbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf67bddd19dfdc1b124384d98498747c06873c424624cdadbb4627fdee650fbf", kill_on_drop: false }`
[INFO] [stdout] bf67bddd19dfdc1b124384d98498747c06873c424624cdadbb4627fdee650fbf