[INFO] fetching crate proptest 0.10.1... [INFO] checking proptest-0.10.1 against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470 [INFO] extracting crate proptest 0.10.1 into /workspace/builds/worker-12/source [INFO] validating manifest of crates.io crate proptest 0.10.1 on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "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-12/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" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 48be0d2bbcd22f3584456a07b97d36b0e0b5f3b1dc29b54b3cfb006455517e59 [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" "48be0d2bbcd22f3584456a07b97d36b0e0b5f3b1dc29b54b3cfb006455517e59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "48be0d2bbcd22f3584456a07b97d36b0e0b5f3b1dc29b54b3cfb006455517e59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "48be0d2bbcd22f3584456a07b97d36b0e0b5f3b1dc29b54b3cfb006455517e59", kill_on_drop: false }` [INFO] [stdout] 48be0d2bbcd22f3584456a07b97d36b0e0b5f3b1dc29b54b3cfb006455517e59 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c3ec54522d1a1a7c2cdd18f2a70878b80745d13e8b27c1238224d1d7d88aeb83 [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" "c3ec54522d1a1a7c2cdd18f2a70878b80745d13e8b27c1238224d1d7d88aeb83", kill_on_drop: false }` [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking ppv-lite86 v0.2.8 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking bit-vec v0.6.2 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking bit-set v0.5.2 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_xorshift v0.2.0 [INFO] [stderr] Checking rand_chacha v0.2.2 [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 29.62s [INFO] running `Command { std: "docker" "inspect" "c3ec54522d1a1a7c2cdd18f2a70878b80745d13e8b27c1238224d1d7d88aeb83", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c3ec54522d1a1a7c2cdd18f2a70878b80745d13e8b27c1238224d1d7d88aeb83", kill_on_drop: false }` [INFO] [stdout] c3ec54522d1a1a7c2cdd18f2a70878b80745d13e8b27c1238224d1d7d88aeb83