[INFO] fetching crate proptest 0.10.0...
[INFO] testing proptest-0.10.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate proptest 0.10.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate proptest 0.10.0 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 proptest 0.10.0
[INFO] finished tweaking crates.io crate proptest 0.10.0
[INFO] tweaked toml for crates.io crate proptest 0.10.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate proptest 0.10.0 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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 580a5515f3ff1a4a2daf8ee9f0389400b20c10ff4809bab737a6439652acd9e6
[INFO] running `"docker" "start" "-a" "580a5515f3ff1a4a2daf8ee9f0389400b20c10ff4809bab737a6439652acd9e6"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling rand_xorshift v0.2.0
[INFO] [stderr]    Compiling rusty-fork v0.3.0
[INFO] [stderr]    Compiling proptest v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.95s
[INFO] running `"docker" "inspect" "580a5515f3ff1a4a2daf8ee9f0389400b20c10ff4809bab737a6439652acd9e6"`
[INFO] running `"docker" "rm" "-f" "580a5515f3ff1a4a2daf8ee9f0389400b20c10ff4809bab737a6439652acd9e6"`
[INFO] [stdout] 580a5515f3ff1a4a2daf8ee9f0389400b20c10ff4809bab737a6439652acd9e6
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 76bffea36243aa13eb9ce5ae19755292a71568c498b322e724777bef6d48c835
[INFO] running `"docker" "start" "-a" "76bffea36243aa13eb9ce5ae19755292a71568c498b322e724777bef6d48c835"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proptest v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `proptest`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name proptest --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -Cembed-bitcode=no -C debuginfo=2 --test --cfg 'feature="bit-set"' --cfg 'feature="break-dead-code"' --cfg 'feature="default"' --cfg 'feature="fork"' --cfg 'feature="lazy_static"' --cfg 'feature="quick-error"' --cfg 'feature="regex-syntax"' --cfg 'feature="rusty-fork"' --cfg 'feature="std"' --cfg 'feature="tempfile"' --cfg 'feature="timeout"' -C metadata=fe6a76567a4b0105 -C extra-filename=-fe6a76567a4b0105 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bit_set=/opt/rustwide/target/debug/deps/libbit_set-0dba111ac5eac8a1.rlib --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-a637fa8d282392d5.rlib --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-aaa03d2770528f4d.rlib --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-36bd8bbfaaa85bd1.rlib --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-52dec7f9b3387655.rlib --extern quick_error=/opt/rustwide/target/debug/deps/libquick_error-a8ed19302f3259f8.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-0bd510cc29def9c8.rlib --extern rand_chacha=/opt/rustwide/target/debug/deps/librand_chacha-cbc353f939835b14.rlib --extern rand_xorshift=/opt/rustwide/target/debug/deps/librand_xorshift-9fc708d71ec4bf75.rlib --extern regex=/opt/rustwide/target/debug/deps/libregex-3c2ed6a006b0d612.rlib --extern regex_syntax=/opt/rustwide/target/debug/deps/libregex_syntax-ae79f7b5f5d7bf39.rlib --extern rusty_fork=/opt/rustwide/target/debug/deps/librusty_fork-8a1c877e36e97325.rlib --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-f9811910d52ec4ea.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `"docker" "inspect" "76bffea36243aa13eb9ce5ae19755292a71568c498b322e724777bef6d48c835"`
[INFO] running `"docker" "rm" "-f" "76bffea36243aa13eb9ce5ae19755292a71568c498b322e724777bef6d48c835"`
[INFO] [stdout] 76bffea36243aa13eb9ce5ae19755292a71568c498b322e724777bef6d48c835