[INFO] fetching crate fuse-rs 0.0.1...
[INFO] checking fuse-rs-0.0.1 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate fuse-rs 0.0.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate fuse-rs 0.0.1 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 fuse-rs 0.0.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate fuse-rs 0.0.1
[INFO] tweaked toml for crates.io crate fuse-rs 0.0.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate fuse-rs 0.0.1 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 libfuse-sys v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 228340dac675ccc3d66056f96ef35d193afac7b2d7a848f378743798216da187
[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" "228340dac675ccc3d66056f96ef35d193afac7b2d7a848f378743798216da187", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "228340dac675ccc3d66056f96ef35d193afac7b2d7a848f378743798216da187", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "228340dac675ccc3d66056f96ef35d193afac7b2d7a848f378743798216da187", kill_on_drop: false }`
[INFO] [stdout] 228340dac675ccc3d66056f96ef35d193afac7b2d7a848f378743798216da187
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] ba32bf36f1e499be63191bdfa7f60e3354857e7ce23139e17153d24ebc290978
[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" "ba32bf36f1e499be63191bdfa7f60e3354857e7ce23139e17153d24ebc290978", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.13
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling bindgen v0.52.0
[INFO] [stderr]    Compiling libfuse-sys v0.3.0
[INFO] [stderr]     Checking fuse-rs v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `from_raw`
[INFO] [stdout]    --> src/fs.rs:162:19
[INFO] [stdout]     |
[INFO] [stdout] 162 |     pub(crate) fn from_raw(c: *const fuse::fuse_conn_info) -> Self {
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fill`
[INFO] [stdout]    --> src/fs.rs:178:19
[INFO] [stdout]     |
[INFO] [stdout] 178 |     pub(crate) fn fill(&self, conn: *mut fuse::fuse_conn_info) {
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_file_info`
[INFO] [stdout]    --> src/fs.rs:319:19
[INFO] [stdout]     |
[INFO] [stdout] 319 |     pub(crate) fn from_file_info(fi: FileInfo) -> Self {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `file_info`
[INFO] [stdout]    --> src/fs.rs:364:19
[INFO] [stdout]     |
[INFO] [stdout] 364 |     pub(crate) fn file_info(&self) -> &FileInfo {
[INFO] [stdout]     |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_file_info`
[INFO] [stdout]    --> src/fs.rs:382:19
[INFO] [stdout]     |
[INFO] [stdout] 382 |     pub(crate) fn from_file_info(fi: FileInfo) -> Self {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `file_info`
[INFO] [stdout]    --> src/fs.rs:386:19
[INFO] [stdout]     |
[INFO] [stdout] 386 |     pub(crate) fn file_info(&self) -> &FileInfo {
[INFO] [stdout]     |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_file_info`
[INFO] [stdout]    --> src/fs.rs:426:19
[INFO] [stdout]     |
[INFO] [stdout] 426 |     pub(crate) fn from_file_info(fi: FileInfo) -> Self {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `file_info`
[INFO] [stdout]    --> src/fs.rs:430:19
[INFO] [stdout]     |
[INFO] [stdout] 430 |     pub(crate) fn file_info(&self) -> &FileInfo {
[INFO] [stdout]     |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `readlink`
[INFO] [stdout]   --> src/operations.rs:86:22
[INFO] [stdout]    |
[INFO] [stdout] 86 | unsafe extern "C" fn readlink(p: *const c_char, buffer: *mut c_char, len: usize) -> c_int {
[INFO] [stdout]    |                      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mkdir`
[INFO] [stdout]    --> src/operations.rs:108:22
[INFO] [stdout]     |
[INFO] [stdout] 108 | unsafe extern "C" fn mkdir(p: *const c_char, mode: mode_t) -> c_int {
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `unlink`
[INFO] [stdout]    --> src/operations.rs:116:22
[INFO] [stdout]     |
[INFO] [stdout] 116 | unsafe extern "C" fn unlink(p: *const c_char) -> c_int {
[INFO] [stdout]     |                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `rmdir`
[INFO] [stdout]    --> src/operations.rs:123:22
[INFO] [stdout]     |
[INFO] [stdout] 123 | unsafe extern "C" fn rmdir(p: *const c_char) -> c_int {
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `symlink`
[INFO] [stdout]    --> src/operations.rs:130:22
[INFO] [stdout]     |
[INFO] [stdout] 130 | unsafe extern "C" fn symlink(src: *const c_char, dst: *const c_char) -> c_int {
[INFO] [stdout]     |                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `rename`
[INFO] [stdout]    --> src/operations.rs:140:22
[INFO] [stdout]     |
[INFO] [stdout] 140 | unsafe extern "C" fn rename(from: *const c_char, to: *const c_char) -> c_int {
[INFO] [stdout]     |                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `link`
[INFO] [stdout]    --> src/operations.rs:150:22
[INFO] [stdout]     |
[INFO] [stdout] 150 | unsafe extern "C" fn link(src: *const c_char, dst: *const c_char) -> c_int {
[INFO] [stdout]     |                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `chmod`
[INFO] [stdout]    --> src/operations.rs:160:22
[INFO] [stdout]     |
[INFO] [stdout] 160 | unsafe extern "C" fn chmod(p: *const c_char, mode: mode_t) -> c_int {
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `chown`
[INFO] [stdout]    --> src/operations.rs:167:22
[INFO] [stdout]     |
[INFO] [stdout] 167 | unsafe extern "C" fn chown(p: *const c_char, uid: uid_t, gid: gid_t) -> c_int {
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `truncate`
[INFO] [stdout]    --> src/operations.rs:174:22
[INFO] [stdout]     |
[INFO] [stdout] 174 | unsafe extern "C" fn truncate(p: *const c_char, len: off_t) -> c_int {
[INFO] [stdout]     |                      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `write`
[INFO] [stdout]    --> src/operations.rs:223:22
[INFO] [stdout]     |
[INFO] [stdout] 223 | unsafe extern "C" fn write(
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `statfs`
[INFO] [stdout]    --> src/operations.rs:248:22
[INFO] [stdout]     |
[INFO] [stdout] 248 | unsafe extern "C" fn statfs(p: *const c_char, stbuf: *mut libc::statvfs) -> c_int {
[INFO] [stdout]     |                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `flush`
[INFO] [stdout]    --> src/operations.rs:265:22
[INFO] [stdout]     |
[INFO] [stdout] 265 | unsafe extern "C" fn flush(p: *const c_char, fi: *mut fuse::fuse_file_info) -> c_int {
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `release`
[INFO] [stdout]    --> src/operations.rs:280:22
[INFO] [stdout]     |
[INFO] [stdout] 280 | unsafe extern "C" fn release(p: *const c_char, fi: *mut fuse::fuse_file_info) -> c_int {
[INFO] [stdout]     |                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fsync`
[INFO] [stdout]    --> src/operations.rs:295:22
[INFO] [stdout]     |
[INFO] [stdout] 295 | unsafe extern "C" fn fsync(
[INFO] [stdout]     |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `opendir`
[INFO] [stdout]    --> src/operations.rs:316:22
[INFO] [stdout]     |
[INFO] [stdout] 316 | unsafe extern "C" fn opendir(p: *const c_char, fi: *mut fuse::fuse_file_info) -> c_int {
[INFO] [stdout]     |                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fsyncdir`
[INFO] [stdout]    --> src/operations.rs:368:22
[INFO] [stdout]     |
[INFO] [stdout] 368 | unsafe extern "C" fn fsyncdir(
[INFO] [stdout]     |                      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `releasedir`
[INFO] [stdout]    --> src/operations.rs:389:22
[INFO] [stdout]     |
[INFO] [stdout] 389 | unsafe extern "C" fn releasedir(p: *const c_char, fi: *mut fuse::fuse_file_info) -> c_int {
[INFO] [stdout]     |                      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `init`
[INFO] [stdout]    --> src/operations.rs:404:22
[INFO] [stdout]     |
[INFO] [stdout] 404 | unsafe extern "C" fn init(conn: *mut fuse::fuse_conn_info) -> *mut c_void {
[INFO] [stdout]     |                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `destroy`
[INFO] [stdout]    --> src/operations.rs:418:22
[INFO] [stdout]     |
[INFO] [stdout] 418 | unsafe extern "C" fn destroy(_private_data: *mut c_void) {
[INFO] [stdout]     |                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `access`
[INFO] [stdout]    --> src/operations.rs:422:22
[INFO] [stdout]     |
[INFO] [stdout] 422 | unsafe extern "C" fn access(p: *const c_char, flags: c_int) -> c_int {
[INFO] [stdout]     |                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create`
[INFO] [stdout]    --> src/operations.rs:433:22
[INFO] [stdout]     |
[INFO] [stdout] 433 | unsafe extern "C" fn create(
[INFO] [stdout]     |                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `ftruncate`
[INFO] [stdout]    --> src/operations.rs:454:22
[INFO] [stdout]     |
[INFO] [stdout] 454 | unsafe extern "C" fn ftruncate(
[INFO] [stdout]     |                      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fgetattr`
[INFO] [stdout]    --> src/operations.rs:469:22
[INFO] [stdout]     |
[INFO] [stdout] 469 | unsafe extern "C" fn fgetattr(
[INFO] [stdout]     |                      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `lock`
[INFO] [stdout]    --> src/operations.rs:487:22
[INFO] [stdout]     |
[INFO] [stdout] 487 | unsafe extern "C" fn lock(
[INFO] [stdout]     |                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 33 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `lock`
[INFO] [stdout]    --> src/operations.rs:487:22
[INFO] [stdout]     |
[INFO] [stdout] 487 | unsafe extern "C" fn lock(
[INFO] [stdout]     |                      ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ba32bf36f1e499be63191bdfa7f60e3354857e7ce23139e17153d24ebc290978", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba32bf36f1e499be63191bdfa7f60e3354857e7ce23139e17153d24ebc290978", kill_on_drop: false }`
[INFO] [stdout] ba32bf36f1e499be63191bdfa7f60e3354857e7ce23139e17153d24ebc290978