[INFO] crate proptest 0.10.0 is already in cache [INFO] testing proptest-0.10.0 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409 [INFO] extracting crate proptest 0.10.0 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate proptest 0.10.0 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 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-2/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" "+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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 119eb38f9254bb070c3462622de8577a4d570078f296701cafc350085804b33b [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" "119eb38f9254bb070c3462622de8577a4d570078f296701cafc350085804b33b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "119eb38f9254bb070c3462622de8577a4d570078f296701cafc350085804b33b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "119eb38f9254bb070c3462622de8577a4d570078f296701cafc350085804b33b", kill_on_drop: false }` [INFO] [stdout] 119eb38f9254bb070c3462622de8577a4d570078f296701cafc350085804b33b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] b0e8b07c946f72baeef2b6fc8c00396dd27401233908d3376fb483af5c8dde1c [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" "b0e8b07c946f72baeef2b6fc8c00396dd27401233908d3376fb483af5c8dde1c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.71 [INFO] [stderr] Compiling byteorder v1.3.4 [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 20.43s [INFO] running `Command { std: "docker" "inspect" "b0e8b07c946f72baeef2b6fc8c00396dd27401233908d3376fb483af5c8dde1c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b0e8b07c946f72baeef2b6fc8c00396dd27401233908d3376fb483af5c8dde1c", kill_on_drop: false }` [INFO] [stdout] b0e8b07c946f72baeef2b6fc8c00396dd27401233908d3376fb483af5c8dde1c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 3bdf11f8c38b2cdedda5240dcc5fd5a81053a92bb97bc08f52237db68fc4b09b [INFO] running `Command { std: "docker" "start" "-a" "3bdf11f8c38b2cdedda5240dcc5fd5a81053a92bb97bc08f52237db68fc4b09b", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.3 [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] [stdout] warning: `extern` fn uses type `impl strategy::traits::Strategy`, which is not FFI-safe [INFO] [stdout] --> src/sugar.rs:618:21 [INFO] [stdout] | [INFO] [stdout] 618 | -> impl $crate::strategy::Strategy { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe [INFO] [stdout] ... [INFO] [stdout] 1170 | / prop_compose! { [INFO] [stdout] 1171 | | /// These are docs! [INFO] [stdout] 1172 | | #[allow(dead_code)] [INFO] [stdout] 1173 | | pub [extern "C"] fn two_ints_pub_with_attrs [INFO] [stdout] ... | [INFO] [stdout] 1178 | | } [INFO] [stdout] 1179 | | } [INFO] [stdout] | |_____- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(improper_ctypes_definitions)]` on by default [INFO] [stdout] = note: opaque types have no C equivalent [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` fn uses type `impl strategy::traits::Strategy`, which is not FFI-safe [INFO] [stdout] --> src/sugar.rs:618:21 [INFO] [stdout] | [INFO] [stdout] 618 | -> impl $crate::strategy::Strategy { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe [INFO] [stdout] ... [INFO] [stdout] 1181 | / prop_compose! { [INFO] [stdout] 1182 | | // The only modifier we can usefully put here is "unsafe", but we want [INFO] [stdout] 1183 | | // to keep this crate unsafe-free, even nominally. "const" may [INFO] [stdout] 1184 | | // eventually work, but is not allowed right now since the generated [INFO] [stdout] ... | [INFO] [stdout] 1190 | | } [INFO] [stdout] 1191 | | } [INFO] [stdout] | |_____- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: opaque types have no C equivalent [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [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=253d7fd3184595b9 -C extra-filename=-253d7fd3184595b9 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bit_set=/opt/rustwide/target/debug/deps/libbit_set-d901314cb4415997.rlib --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-56eca94422237621.rlib --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-525fc08abd97776e.rlib --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-7c0477ae3415ac1f.rlib --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-1be98b0e802aa2b0.rlib --extern quick_error=/opt/rustwide/target/debug/deps/libquick_error-04f7773cc8ada14a.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-7fb98764e3fce434.rlib --extern rand_chacha=/opt/rustwide/target/debug/deps/librand_chacha-2b32da66fe4af88c.rlib --extern rand_xorshift=/opt/rustwide/target/debug/deps/librand_xorshift-9c81b65a69d53d64.rlib --extern regex=/opt/rustwide/target/debug/deps/libregex-24892256906f21bd.rlib --extern regex_syntax=/opt/rustwide/target/debug/deps/libregex_syntax-1b317b45a2ccdb0f.rlib --extern rusty_fork=/opt/rustwide/target/debug/deps/librusty_fork-9b9199378f53f6a1.rlib --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-9b1885b876b84568.rlib --cap-lints=forbid` (signal: 9, SIGKILL: kill) [INFO] running `Command { std: "docker" "inspect" "3bdf11f8c38b2cdedda5240dcc5fd5a81053a92bb97bc08f52237db68fc4b09b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3bdf11f8c38b2cdedda5240dcc5fd5a81053a92bb97bc08f52237db68fc4b09b", kill_on_drop: false }` [INFO] [stdout] 3bdf11f8c38b2cdedda5240dcc5fd5a81053a92bb97bc08f52237db68fc4b09b