[INFO] fetching crate proptest 0.10.0...
[INFO] testing proptest-0.10.0 against 1.45.2 for beta-1.46-1
[INFO] extracting crate proptest 0.10.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate proptest 0.10.0 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-3/source/Cargo.toml
[INFO] crate crates.io crate proptest 0.10.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", 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] 1b5d72971f58bcc1e63efa96968bc870f791a6de50779023fd0190882f5250e0
[INFO] running `Command { std: "docker" "start" "-a" "1b5d72971f58bcc1e63efa96968bc870f791a6de50779023fd0190882f5250e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b5d72971f58bcc1e63efa96968bc870f791a6de50779023fd0190882f5250e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b5d72971f58bcc1e63efa96968bc870f791a6de50779023fd0190882f5250e0", kill_on_drop: false }`
[INFO] [stdout] 1b5d72971f58bcc1e63efa96968bc870f791a6de50779023fd0190882f5250e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--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] 310fd6a00a1070eb3d9950448bf7b0278712e42a59fe4a4add66e5c1c22c82e4
[INFO] running `Command { std: "docker" "start" "-a" "310fd6a00a1070eb3d9950448bf7b0278712e42a59fe4a4add66e5c1c22c82e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[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 30.91s
[INFO] running `Command { std: "docker" "inspect" "310fd6a00a1070eb3d9950448bf7b0278712e42a59fe4a4add66e5c1c22c82e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "310fd6a00a1070eb3d9950448bf7b0278712e42a59fe4a4add66e5c1c22c82e4", kill_on_drop: false }`
[INFO] [stdout] 310fd6a00a1070eb3d9950448bf7b0278712e42a59fe4a4add66e5c1c22c82e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b99e1a8ea2864a99bab526204e04ffefcce0082c0a8bd084f98c7ee59871f66
[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" "5b99e1a8ea2864a99bab526204e04ffefcce0082c0a8bd084f98c7ee59871f66", kill_on_drop: false }`
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling regex v1.3.7
[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=4f858966c39be351 -C extra-filename=-4f858966c39be351 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bit_set=/opt/rustwide/target/debug/deps/libbit_set-7977f767fc520d57.rlib --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-02fffe573fe5be1a.rlib --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-de21a42bf749d98f.rlib --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-660ab907323d6aba.rlib --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-a1fabfd930edc538.rlib --extern quick_error=/opt/rustwide/target/debug/deps/libquick_error-c22e30eaeceace11.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-d7496b780d8abe07.rlib --extern rand_chacha=/opt/rustwide/target/debug/deps/librand_chacha-eda12de4b4e5ea78.rlib --extern rand_xorshift=/opt/rustwide/target/debug/deps/librand_xorshift-674fbd9200bb8367.rlib --extern regex=/opt/rustwide/target/debug/deps/libregex-478b50b89e455e1d.rlib --extern regex_syntax=/opt/rustwide/target/debug/deps/libregex_syntax-25160ca0f328bef6.rlib --extern rusty_fork=/opt/rustwide/target/debug/deps/librusty_fork-de7f89b502b95935.rlib --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-ef7eda0a0ba3438b.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "5b99e1a8ea2864a99bab526204e04ffefcce0082c0a8bd084f98c7ee59871f66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b99e1a8ea2864a99bab526204e04ffefcce0082c0a8bd084f98c7ee59871f66", kill_on_drop: false }`
[INFO] [stdout] 5b99e1a8ea2864a99bab526204e04ffefcce0082c0a8bd084f98c7ee59871f66