[INFO] crate proptest 0.9.4 is already in cache
[INFO] testing proptest-0.9.4 against 1.38.0 for beta-1.39-1
[INFO] extracting crate proptest 0.9.4 into work/builds/worker-9/source
[INFO] validating manifest of crates.io crate proptest 0.9.4 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate proptest 0.9.4
[INFO] finished tweaking crates.io crate proptest 0.9.4
[INFO] tweaked toml for crates.io crate proptest 0.9.4 written to work/builds/worker-9/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 5641a42c1b746afd1f1be76dbe2662acbfcf435eb0d77838e7c226069c0a056a
[INFO] running `"docker" "start" "-a" "5641a42c1b746afd1f1be76dbe2662acbfcf435eb0d77838e7c226069c0a056a"`
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling rusty-fork v0.2.2
[INFO] [stderr]    Compiling proptest v0.9.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.25s
[INFO] running `"docker" "inspect" "5641a42c1b746afd1f1be76dbe2662acbfcf435eb0d77838e7c226069c0a056a"`
[INFO] running `"docker" "rm" "-f" "5641a42c1b746afd1f1be76dbe2662acbfcf435eb0d77838e7c226069c0a056a"`
[INFO] [stdout] 5641a42c1b746afd1f1be76dbe2662acbfcf435eb0d77838e7c226069c0a056a
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 85d01a20de79fa6cdf15c663b51a3a21423c181e0adfd21246e53ee0f16fc35b
[INFO] running `"docker" "start" "-a" "85d01a20de79fa6cdf15c663b51a3a21423c181e0adfd21246e53ee0f16fc35b"`
[INFO] [stderr]    Compiling proptest v0.9.4 (/opt/rustwide/workdir)
[INFO] [stderr] error: Could not compile `proptest`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --edition=2018 --crate-name proptest src/lib.rs --color never --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=6eb75850a07e5447 -C extra-filename=-6eb75850a07e5447 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bit_set=/opt/rustwide/target/debug/deps/libbit_set-d3d7dc8cdd637be6.rlib --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-4a7b4cf8fbd4dcc3.rlib --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-815fdab88cae8722.rlib --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-83cafc2ae303332c.rlib --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-11d7c0dbeac99383.rlib --extern quick_error=/opt/rustwide/target/debug/deps/libquick_error-f5a43a4ceb9b7953.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-477adf4e30648af3.rlib --extern rand_chacha=/opt/rustwide/target/debug/deps/librand_chacha-b28484c13232928f.rlib --extern rand_xorshift=/opt/rustwide/target/debug/deps/librand_xorshift-d31379522c688654.rlib --extern regex=/opt/rustwide/target/debug/deps/libregex-273d908a3c791568.rlib --extern regex_syntax=/opt/rustwide/target/debug/deps/libregex_syntax-77ba17f04f8d99d9.rlib --extern rusty_fork=/opt/rustwide/target/debug/deps/librusty_fork-292d95a20ee71fcf.rlib --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-5037cc0006e0467f.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `"docker" "inspect" "85d01a20de79fa6cdf15c663b51a3a21423c181e0adfd21246e53ee0f16fc35b"`
[INFO] running `"docker" "rm" "-f" "85d01a20de79fa6cdf15c663b51a3a21423c181e0adfd21246e53ee0f16fc35b"`
[INFO] [stdout] 85d01a20de79fa6cdf15c663b51a3a21423c181e0adfd21246e53ee0f16fc35b