[INFO] fetching crate proptest 0.10.0...
[INFO] testing proptest-0.10.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate proptest 0.10.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate proptest 0.10.0 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "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-8/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" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.44.0" "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] 5e14df1fa281b66dea028b154845b636c88ddebf61bdf84d1c47ad2c610c9ad9
[INFO] running `"docker" "start" "-a" "5e14df1fa281b66dea028b154845b636c88ddebf61bdf84d1c47ad2c610c9ad9"`
[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 getrandom v0.1.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_xorshift v0.2.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[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 22.86s
[INFO] running `"docker" "inspect" "5e14df1fa281b66dea028b154845b636c88ddebf61bdf84d1c47ad2c610c9ad9"`
[INFO] running `"docker" "rm" "-f" "5e14df1fa281b66dea028b154845b636c88ddebf61bdf84d1c47ad2c610c9ad9"`
[INFO] [stdout] 5e14df1fa281b66dea028b154845b636c88ddebf61bdf84d1c47ad2c610c9ad9
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.44.0" "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] 1746e76c13fe75df8f8d2acdbb5ee41539a189634d6efe94b5314c59f5042c82
[INFO] running `"docker" "start" "-a" "1746e76c13fe75df8f8d2acdbb5ee41539a189634d6efe94b5314c59f5042c82"`
[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 -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=353b2458baff2a5c -C extra-filename=-353b2458baff2a5c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bit_set=/opt/rustwide/target/debug/deps/libbit_set-4520cb6de2dc6fe1.rlib --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-0bb1eb8c2caf8528.rlib --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-abc7b0c774b8bf28.rlib --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-807f2c476a0e6b86.rlib --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-d45fe4ad432827bb.rlib --extern quick_error=/opt/rustwide/target/debug/deps/libquick_error-204ac078bfe743c8.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-76e34f11f20ec390.rlib --extern rand_chacha=/opt/rustwide/target/debug/deps/librand_chacha-1c49bee79fc6ebcf.rlib --extern rand_xorshift=/opt/rustwide/target/debug/deps/librand_xorshift-fbd1567468d6950e.rlib --extern regex=/opt/rustwide/target/debug/deps/libregex-5d12c66a9e96e35d.rlib --extern regex_syntax=/opt/rustwide/target/debug/deps/libregex_syntax-4d50bc91db175a64.rlib --extern rusty_fork=/opt/rustwide/target/debug/deps/librusty_fork-127a9bb3d77d7320.rlib --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-e32b18f90db9e64d.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `"docker" "inspect" "1746e76c13fe75df8f8d2acdbb5ee41539a189634d6efe94b5314c59f5042c82"`
[INFO] running `"docker" "rm" "-f" "1746e76c13fe75df8f8d2acdbb5ee41539a189634d6efe94b5314c59f5042c82"`
[INFO] [stdout] 1746e76c13fe75df8f8d2acdbb5ee41539a189634d6efe94b5314c59f5042c82