[INFO] fetching crate tfs-fuse-sys 0.1.1...
[INFO] documenting tfs-fuse-sys-0.1.1 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate tfs-fuse-sys 0.1.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate tfs-fuse-sys 0.1.1 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tfs-fuse-sys 0.1.1
[INFO] finished tweaking crates.io crate tfs-fuse-sys 0.1.1
[INFO] tweaked toml for crates.io crate tfs-fuse-sys 0.1.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4fd5b378c10eaa1f4adf11530e94f39a6d047faeb2c0a1ceb737f91e615ca871
[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" "4fd5b378c10eaa1f4adf11530e94f39a6d047faeb2c0a1ceb737f91e615ca871", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fd5b378c10eaa1f4adf11530e94f39a6d047faeb2c0a1ceb737f91e615ca871", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fd5b378c10eaa1f4adf11530e94f39a6d047faeb2c0a1ceb737f91e615ca871", kill_on_drop: false }`
[INFO] [stdout] 4fd5b378c10eaa1f4adf11530e94f39a6d047faeb2c0a1ceb737f91e615ca871
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4351599c4d6c75e1219f979d6ee0a2a73f25ab048562c6e000e46e639d6e42da
[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" "4351599c4d6c75e1219f979d6ee0a2a73f25ab048562c6e000e46e639d6e42da", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tfs-fuse-sys v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting tfs-fuse-sys v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` block uses type `ffi::fuse_chan`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:21:25
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn fuse_new(ch: *mut fuse_chan, args: *mut fuse_args, op: *const fuse_operations,
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct fuse_chan(c_void);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `ffi::fuse`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:22:65
[INFO] [stdout]    |
[INFO] [stdout] 22 |                     op_size: size_t, user_data: *mut c_void) -> *mut fuse;
[INFO] [stdout]    |                                                                 ^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct fuse(c_void);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `ffi::fuse`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:23:31
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn fuse_destroy(fuse: *mut fuse) -> c_void;
[INFO] [stdout]    |                               ^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct fuse(c_void);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `ffi::fuse`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:24:31
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn fuse_loop_mt(fuse: *mut fuse) -> c_int;
[INFO] [stdout]    |                               ^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct fuse(c_void);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `ffi::fuse`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:25:28
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn fuse_exit(fuse: *mut fuse) -> c_void;
[INFO] [stdout]    |                            ^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct fuse(c_void);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `ffi::fuse_chan`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:26:75
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn fuse_mount(mountpoint: *const c_char, args: *mut fuse_args) -> *mut fuse_chan;
[INFO] [stdout]    |                                                                           ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct fuse_chan(c_void);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `ffi::fuse_chan`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:27:56
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn fuse_unmount(mountpoint: *const c_char, ch: *mut fuse_chan) -> c_void;
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct fuse_chan(c_void);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `ffi::fuse_session`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:29:46
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn fuse_set_signal_handlers(session: *mut fuse_session) -> c_int;
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:37:1
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct fuse_session(c_void);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `ffi::fuse_session`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:30:49
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn fuse_remove_signal_handlers(session: &mut fuse_session) -> c_void;
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:37:1
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct fuse_session(c_void);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `ffi::fuse`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:31:32
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn fuse_getcontex() -> *mut fuse_context;
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct fuse(c_void);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.02s
[INFO] running `Command { std: "docker" "inspect" "4351599c4d6c75e1219f979d6ee0a2a73f25ab048562c6e000e46e639d6e42da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4351599c4d6c75e1219f979d6ee0a2a73f25ab048562c6e000e46e639d6e42da", kill_on_drop: false }`
[INFO] [stdout] 4351599c4d6c75e1219f979d6ee0a2a73f25ab048562c6e000e46e639d6e42da