[INFO] fetching crate proptest 0.10.1... [INFO] checking proptest-0.10.1 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] extracting crate proptest 0.10.1 into /workspace/builds/worker-11/source [INFO] validating manifest of crates.io crate proptest 0.10.1 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate proptest 0.10.1 [INFO] finished tweaking crates.io crate proptest 0.10.1 [INFO] tweaked toml for crates.io crate proptest 0.10.1 written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate crates.io crate proptest 0.10.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded raw-cpuid v8.0.0 [INFO] [stderr] Downloaded x86 v0.33.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a4daca410c04ef40dba55da27e38403c01ff09facb28fb1307c91d2b6756d772 [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" "a4daca410c04ef40dba55da27e38403c01ff09facb28fb1307c91d2b6756d772", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a4daca410c04ef40dba55da27e38403c01ff09facb28fb1307c91d2b6756d772", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a4daca410c04ef40dba55da27e38403c01ff09facb28fb1307c91d2b6756d772", kill_on_drop: false }` [INFO] [stdout] a4daca410c04ef40dba55da27e38403c01ff09facb28fb1307c91d2b6756d772 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c6cf634a387bf4edd36411f0a2300bc1525a7e932754f8cece7ad3c7fe0265f3 [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" "c6cf634a387bf4edd36411f0a2300bc1525a7e932754f8cece7ad3c7fe0265f3", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.74 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Checking getrandom v0.1.14 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand_xorshift v0.2.0 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking rusty-fork v0.3.0 [INFO] [stderr] Checking proptest v0.10.1 (/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] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 28.35s [INFO] running `Command { std: "docker" "inspect" "c6cf634a387bf4edd36411f0a2300bc1525a7e932754f8cece7ad3c7fe0265f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c6cf634a387bf4edd36411f0a2300bc1525a7e932754f8cece7ad3c7fe0265f3", kill_on_drop: false }` [INFO] [stdout] c6cf634a387bf4edd36411f0a2300bc1525a7e932754f8cece7ad3c7fe0265f3