[INFO] fetching crate gmp-sys 0.1.0...
[INFO] testing gmp-sys-0.1.0 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate gmp-sys 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate gmp-sys 0.1.0 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gmp-sys 0.1.0
[INFO] finished tweaking crates.io crate gmp-sys 0.1.0
[INFO] tweaked toml for crates.io crate gmp-sys 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05d48c9e309d08080d5ff4e014b7cf675fb06f33d9d22ef4ddf5938dc693a298
[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" "05d48c9e309d08080d5ff4e014b7cf675fb06f33d9d22ef4ddf5938dc693a298", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05d48c9e309d08080d5ff4e014b7cf675fb06f33d9d22ef4ddf5938dc693a298", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05d48c9e309d08080d5ff4e014b7cf675fb06f33d9d22ef4ddf5938dc693a298", kill_on_drop: false }`
[INFO] [stdout] 05d48c9e309d08080d5ff4e014b7cf675fb06f33d9d22ef4ddf5938dc693a298
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15775d46b4b5ed39f5621657f3bf0bd637316131fcac73020204e5789384239d
[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" "15775d46b4b5ed39f5621657f3bf0bd637316131fcac73020204e5789384239d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling gmp-sys v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` block uses type `[Struct_Unnamed3; 1]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:597:34
[INFO] [stdout]     |
[INFO] [stdout] 597 |     pub fn __gmpf_urandomb(arg1: mpf_t, arg2: gmp_randstate_ptr,
[INFO] [stdout]     |                                  ^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stdout]     = help: consider passing a pointer to the array
[INFO] [stdout]     = note: passing raw arrays by value is not FFI-safe
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.47s
[INFO] running `Command { std: "docker" "inspect" "15775d46b4b5ed39f5621657f3bf0bd637316131fcac73020204e5789384239d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15775d46b4b5ed39f5621657f3bf0bd637316131fcac73020204e5789384239d", kill_on_drop: false }`
[INFO] [stdout] 15775d46b4b5ed39f5621657f3bf0bd637316131fcac73020204e5789384239d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ab5e486ffa150d5c34c8376bf4179cca808fcf9a541bbe6dc699e0823b6e27d
[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" "8ab5e486ffa150d5c34c8376bf4179cca808fcf9a541bbe6dc699e0823b6e27d", kill_on_drop: false }`
[INFO] [stderr]    Compiling gmp-sys v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` block uses type `[Struct_Unnamed3; 1]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:597:34
[INFO] [stdout]     |
[INFO] [stdout] 597 |     pub fn __gmpf_urandomb(arg1: mpf_t, arg2: gmp_randstate_ptr,
[INFO] [stdout]     |                                  ^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stdout]     = help: consider passing a pointer to the array
[INFO] [stdout]     = note: passing raw arrays by value is not FFI-safe
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `[Struct_Unnamed3; 1]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:597:34
[INFO] [stdout]     |
[INFO] [stdout] 597 |     pub fn __gmpf_urandomb(arg1: mpf_t, arg2: gmp_randstate_ptr,
[INFO] [stdout]     |                                  ^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stdout]     = help: consider passing a pointer to the array
[INFO] [stdout]     = note: passing raw arrays by value is not FFI-safe
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "8ab5e486ffa150d5c34c8376bf4179cca808fcf9a541bbe6dc699e0823b6e27d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ab5e486ffa150d5c34c8376bf4179cca808fcf9a541bbe6dc699e0823b6e27d", kill_on_drop: false }`
[INFO] [stdout] 8ab5e486ffa150d5c34c8376bf4179cca808fcf9a541bbe6dc699e0823b6e27d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ffc1c0e6b63aca6cba580f87b2da62e79d4e2021cb6e28a5de89d881c9f07b2f
[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" "ffc1c0e6b63aca6cba580f87b2da62e79d4e2021cb6e28a5de89d881c9f07b2f", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: `extern` block uses type `[Struct_Unnamed3; 1]`, which is not FFI-safe
[INFO] [stdout] running 0 tests
[INFO] [stderr]    --> src/lib.rs:597:34
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 597 |     pub fn __gmpf_urandomb(arg1: mpf_t, arg2: gmp_randstate_ptr,
[INFO] [stdout] 
[INFO] [stderr]     |                                  ^^^^^ not FFI-safe
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stderr]     = help: consider passing a pointer to the array
[INFO] [stderr]     = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[Struct_Unnamed3; 1]`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:597:34
[INFO] [stderr]     |
[INFO] [stderr] 597 |     pub fn __gmpf_urandomb(arg1: mpf_t, arg2: gmp_randstate_ptr,
[INFO] [stderr]     |                                  ^^^^^ not FFI-safe
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stderr]     = help: consider passing a pointer to the array
[INFO] [stderr]     = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/gmp_sys-c59df908b15995ec)
[INFO] [stderr]    Doc-tests gmp-sys
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ffc1c0e6b63aca6cba580f87b2da62e79d4e2021cb6e28a5de89d881c9f07b2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffc1c0e6b63aca6cba580f87b2da62e79d4e2021cb6e28a5de89d881c9f07b2f", kill_on_drop: false }`
[INFO] [stdout] ffc1c0e6b63aca6cba580f87b2da62e79d4e2021cb6e28a5de89d881c9f07b2f