[INFO] fetching crate drakey-fuse 0.4.2-alpha...
[INFO] checking drakey-fuse-0.4.2-alpha against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate drakey-fuse 0.4.2-alpha into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate drakey-fuse 0.4.2-alpha on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate drakey-fuse 0.4.2-alpha
[INFO] finished tweaking crates.io crate drakey-fuse 0.4.2-alpha
[INFO] tweaked toml for crates.io crate drakey-fuse 0.4.2-alpha written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thread-scoped v1.0.2
[INFO] [stderr]   Downloaded drakey-fuse-sys v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c481b2074ea07f502a4882cdad9e0d2bd5eb78517eedb19d1d171ec6159165b8
[INFO] running `Command { std: "docker" "start" "-a" "c481b2074ea07f502a4882cdad9e0d2bd5eb78517eedb19d1d171ec6159165b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c481b2074ea07f502a4882cdad9e0d2bd5eb78517eedb19d1d171ec6159165b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c481b2074ea07f502a4882cdad9e0d2bd5eb78517eedb19d1d171ec6159165b8", kill_on_drop: false }`
[INFO] [stdout] c481b2074ea07f502a4882cdad9e0d2bd5eb78517eedb19d1d171ec6159165b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6d4cdb1b09790293c0b54aee69e76c29c55ccdb568ca0451fb3f7fdcc2e0a53
[INFO] running `Command { std: "docker" "start" "-a" "a6d4cdb1b09790293c0b54aee69e76c29c55ccdb568ca0451fb3f7fdcc2e0a53", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking thread-scoped v1.0.2
[INFO] [stderr]    Compiling drakey-fuse-sys v0.5.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking drakey-fuse v0.4.2-alpha (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `AsRef` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::convert::AsRef;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `AsRef` is already defined here
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:7:34
[INFO] [stdout]    |
[INFO] [stdout] 7  | #![warn(missing_docs, bad_style, unused, unused_extern_crates, unused_import_braces, unused_qualifications, missing_debug_implementations)]
[INFO] [stdout]    |                                  ^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_imports)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/channel.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | use libc::{self, c_int, c_void, size_t};
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | extern crate libc;
[INFO] [stdout]    | ------------------ the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/channel.rs:36:26
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let mountpoint = try!(mountpoint.canonicalize());
[INFO] [stdout]    |                          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/channel.rs:38:23
[INFO] [stdout]    |
[INFO] [stdout] 38 |             let mnt = try!(CString::new(mountpoint.as_os_str().as_bytes()));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/channel.rs:149:15
[INFO] [stdout]     |
[INFO] [stdout] 149 |     let mnt = try!(CString::new(mountpoint.as_os_str().as_bytes()));
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AsRef` is imported redundantly
[INFO] [stdout]   --> src/reply.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::convert::AsRef;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `AsRef` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/reply.rs:126:24
[INFO] [stdout]     |
[INFO] [stdout] 126 |     sender: Option<Box<ReplySender>>,
[INFO] [stdout]     |                        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 126 |     sender: Option<Box<dyn ReplySender>>,
[INFO] [stdout]     |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reply.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl fmt::Debug for Box<ReplySender> {
[INFO] [stdout]    |                         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl fmt::Debug for Box<dyn ReplySender> {
[INFO] [stdout]    |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/request.rs:396:13
[INFO] [stdout]     |
[INFO] [stdout] 382 |             FUSE_IOCTL => {
[INFO] [stdout]     |             ---------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 396 |             FUSE_POLL => {
[INFO] [stdout]     |             ^^^^^^^^^ unreachable pattern
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/request.rs:402:13
[INFO] [stdout]     |
[INFO] [stdout] 382 |             FUSE_IOCTL => {
[INFO] [stdout]     |             ---------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 402 |             FUSE_BMAP => {
[INFO] [stdout]     |             ^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/request.rs:426:13
[INFO] [stdout]     |
[INFO] [stdout] 382 |             FUSE_IOCTL => {
[INFO] [stdout]     |             ---------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 426 |             CUSE_INIT => {
[INFO] [stdout]     |             ^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `FUSE_IOCTL`
[INFO] [stdout]    --> src/request.rs:382:13
[INFO] [stdout]     |
[INFO] [stdout] 382 |             FUSE_IOCTL => {
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_FUSE_IOCTL`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `FUSE_POLL`
[INFO] [stdout]    --> src/request.rs:396:13
[INFO] [stdout]     |
[INFO] [stdout] 396 |             FUSE_POLL => {
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_FUSE_POLL`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/request.rs:397:21
[INFO] [stdout]     |
[INFO] [stdout] 397 |                 let arg: &fuse_poll_in = data.fetch();
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/request.rs:427:21
[INFO] [stdout]     |
[INFO] [stdout] 427 |                 let arg: &cuse_init_in = data.fetch();
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `FUSE_IOCTL` should have a snake case name
[INFO] [stdout]    --> src/request.rs:382:13
[INFO] [stdout]     |
[INFO] [stdout] 382 |             FUSE_IOCTL => {
[INFO] [stdout]     |             ^^^^^^^^^^ help: convert the identifier to snake case: `fuse_ioctl`
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:7:23
[INFO] [stdout]     |
[INFO] [stdout] 7   | #![warn(missing_docs, bad_style, unused, unused_extern_crates, unused_import_braces, unused_qualifications, missing_debug_implementations)]
[INFO] [stdout]     |                       ^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` implied by `#[warn(bad_style)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `FUSE_POLL` should have a snake case name
[INFO] [stdout]    --> src/request.rs:396:13
[INFO] [stdout]     |
[INFO] [stdout] 396 |             FUSE_POLL => {
[INFO] [stdout]     |             ^^^^^^^^^ help: convert the identifier to snake case: `fuse_poll`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stdout] error[E0463]: can't find crate for `fuse`
[INFO] [stdout]  --> examples/null.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate fuse;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `fuse`
[INFO] [stdout]  --> examples/hello.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate fuse;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `drakey-fuse` (example "null") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `drakey-fuse` (example "hello") due to 2 previous errors
[INFO] [stdout] warning: the item `AsRef` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::convert::AsRef;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `AsRef` is already defined here
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:7:34
[INFO] [stdout]    |
[INFO] [stdout] 7  | #![warn(missing_docs, bad_style, unused, unused_extern_crates, unused_import_braces, unused_qualifications, missing_debug_implementations)]
[INFO] [stdout]    |                                  ^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_imports)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/channel.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | use libc::{self, c_int, c_void, size_t};
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | extern crate libc;
[INFO] [stdout]    | ------------------ the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/channel.rs:36:26
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let mountpoint = try!(mountpoint.canonicalize());
[INFO] [stdout]    |                          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/channel.rs:38:23
[INFO] [stdout]    |
[INFO] [stdout] 38 |             let mnt = try!(CString::new(mountpoint.as_os_str().as_bytes()));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/channel.rs:149:15
[INFO] [stdout]     |
[INFO] [stdout] 149 |     let mnt = try!(CString::new(mountpoint.as_os_str().as_bytes()));
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AsRef` is imported redundantly
[INFO] [stdout]   --> src/reply.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::convert::AsRef;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `AsRef` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/reply.rs:126:24
[INFO] [stdout]     |
[INFO] [stdout] 126 |     sender: Option<Box<ReplySender>>,
[INFO] [stdout]     |                        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 126 |     sender: Option<Box<dyn ReplySender>>,
[INFO] [stdout]     |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reply.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl fmt::Debug for Box<ReplySender> {
[INFO] [stdout]    |                         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl fmt::Debug for Box<dyn ReplySender> {
[INFO] [stdout]    |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/request.rs:396:13
[INFO] [stdout]     |
[INFO] [stdout] 382 |             FUSE_IOCTL => {
[INFO] [stdout]     |             ---------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 396 |             FUSE_POLL => {
[INFO] [stdout]     |             ^^^^^^^^^ unreachable pattern
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/request.rs:402:13
[INFO] [stdout]     |
[INFO] [stdout] 382 |             FUSE_IOCTL => {
[INFO] [stdout]     |             ---------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 402 |             FUSE_BMAP => {
[INFO] [stdout]     |             ^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/request.rs:426:13
[INFO] [stdout]     |
[INFO] [stdout] 382 |             FUSE_IOCTL => {
[INFO] [stdout]     |             ---------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 426 |             CUSE_INIT => {
[INFO] [stdout]     |             ^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `FUSE_IOCTL`
[INFO] [stdout]    --> src/request.rs:382:13
[INFO] [stdout]     |
[INFO] [stdout] 382 |             FUSE_IOCTL => {
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_FUSE_IOCTL`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `FUSE_POLL`
[INFO] [stdout]    --> src/request.rs:396:13
[INFO] [stdout]     |
[INFO] [stdout] 396 |             FUSE_POLL => {
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_FUSE_POLL`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/request.rs:397:21
[INFO] [stdout]     |
[INFO] [stdout] 397 |                 let arg: &fuse_poll_in = data.fetch();
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/request.rs:427:21
[INFO] [stdout]     |
[INFO] [stdout] 427 |                 let arg: &cuse_init_in = data.fetch();
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `FUSE_IOCTL` should have a snake case name
[INFO] [stdout]    --> src/request.rs:382:13
[INFO] [stdout]     |
[INFO] [stdout] 382 |             FUSE_IOCTL => {
[INFO] [stdout]     |             ^^^^^^^^^^ help: convert the identifier to snake case: `fuse_ioctl`
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:7:23
[INFO] [stdout]     |
[INFO] [stdout] 7   | #![warn(missing_docs, bad_style, unused, unused_extern_crates, unused_import_braces, unused_qualifications, missing_debug_implementations)]
[INFO] [stdout]     |                       ^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` implied by `#[warn(bad_style)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `FUSE_POLL` should have a snake case name
[INFO] [stdout]    --> src/request.rs:396:13
[INFO] [stdout]     |
[INFO] [stdout] 396 |             FUSE_POLL => {
[INFO] [stdout]     |             ^^^^^^^^^ help: convert the identifier to snake case: `fuse_poll`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a6d4cdb1b09790293c0b54aee69e76c29c55ccdb568ca0451fb3f7fdcc2e0a53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6d4cdb1b09790293c0b54aee69e76c29c55ccdb568ca0451fb3f7fdcc2e0a53", kill_on_drop: false }`
[INFO] [stdout] a6d4cdb1b09790293c0b54aee69e76c29c55ccdb568ca0451fb3f7fdcc2e0a53
[INFO] checking drakey-fuse-0.4.2-alpha against try#72eda894eb3548c7ba774079ce0afab42958d4ee for pr-121848-1
[INFO] extracting crate drakey-fuse 0.4.2-alpha into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate drakey-fuse 0.4.2-alpha on toolchain 72eda894eb3548c7ba774079ce0afab42958d4ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate drakey-fuse 0.4.2-alpha
[INFO] finished tweaking crates.io crate drakey-fuse 0.4.2-alpha
[INFO] tweaked toml for crates.io crate drakey-fuse 0.4.2-alpha written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90b9283ccf42fadb8c38caba421eed279036d00ff58a142d8d3d3c9cc2fc06e1
[INFO] running `Command { std: "docker" "start" "-a" "90b9283ccf42fadb8c38caba421eed279036d00ff58a142d8d3d3c9cc2fc06e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90b9283ccf42fadb8c38caba421eed279036d00ff58a142d8d3d3c9cc2fc06e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90b9283ccf42fadb8c38caba421eed279036d00ff58a142d8d3d3c9cc2fc06e1", kill_on_drop: false }`
[INFO] [stdout] 90b9283ccf42fadb8c38caba421eed279036d00ff58a142d8d3d3c9cc2fc06e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7abd36174086e83d0098cfc2a123fcb34dda7d64352af2f0acf93bd7dfc10c1
[INFO] running `Command { std: "docker" "start" "-a" "d7abd36174086e83d0098cfc2a123fcb34dda7d64352af2f0acf93bd7dfc10c1", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling drakey-fuse-sys v0.5.0
[INFO] [stderr]     Checking thread-scoped v1.0.2
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking drakey-fuse v0.4.2-alpha (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `AsRef` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::convert::AsRef;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `AsRef` is already defined here
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:7:34
[INFO] [stdout]    |
[INFO] [stdout] 7  | #![warn(missing_docs, bad_style, unused, unused_extern_crates, unused_import_braces, unused_qualifications, missing_debug_implementations)]
[INFO] [stdout]    |                                  ^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_imports)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/channel.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | use libc::{self, c_int, c_void, size_t};
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | extern crate libc;
[INFO] [stdout]    | ------------------ the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/channel.rs:36:26
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let mountpoint = try!(mountpoint.canonicalize());
[INFO] [stdout]    |                          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/channel.rs:38:23
[INFO] [stdout]    |
[INFO] [stdout] 38 |             let mnt = try!(CString::new(mountpoint.as_os_str().as_bytes()));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/channel.rs:149:15
[INFO] [stdout]     |
[INFO] [stdout] 149 |     let mnt = try!(CString::new(mountpoint.as_os_str().as_bytes()));
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AsRef` is imported redundantly
[INFO] [stdout]   --> src/reply.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::convert::AsRef;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `AsRef` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/reply.rs:126:24
[INFO] [stdout]     |
[INFO] [stdout] 126 |     sender: Option<Box<ReplySender>>,
[INFO] [stdout]     |                        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 126 |     sender: Option<Box<dyn ReplySender>>,
[INFO] [stdout]     |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reply.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl fmt::Debug for Box<ReplySender> {
[INFO] [stdout]    |                         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl fmt::Debug for Box<dyn ReplySender> {
[INFO] [stdout]    |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/request.rs:396:13
[INFO] [stdout]     |
[INFO] [stdout] 382 |             FUSE_IOCTL => {
[INFO] [stdout]     |             ---------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 396 |             FUSE_POLL => {
[INFO] [stdout]     |             ^^^^^^^^^ unreachable pattern
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/request.rs:402:13
[INFO] [stdout]     |
[INFO] [stdout] 382 |             FUSE_IOCTL => {
[INFO] [stdout]     |             ---------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 402 |             FUSE_BMAP => {
[INFO] [stdout]     |             ^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/request.rs:426:13
[INFO] [stdout]     |
[INFO] [stdout] 382 |             FUSE_IOCTL => {
[INFO] [stdout]     |             ---------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 426 |             CUSE_INIT => {
[INFO] [stdout]     |             ^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `FUSE_IOCTL`
[INFO] [stdout]    --> src/request.rs:382:13
[INFO] [stdout]     |
[INFO] [stdout] 382 |             FUSE_IOCTL => {
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_FUSE_IOCTL`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `FUSE_POLL`
[INFO] [stdout]    --> src/request.rs:396:13
[INFO] [stdout]     |
[INFO] [stdout] 396 |             FUSE_POLL => {
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_FUSE_POLL`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/request.rs:397:21
[INFO] [stdout]     |
[INFO] [stdout] 397 |                 let arg: &fuse_poll_in = data.fetch();
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/request.rs:427:21
[INFO] [stdout]     |
[INFO] [stdout] 427 |                 let arg: &cuse_init_in = data.fetch();
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `FUSE_IOCTL` should have a snake case name
[INFO] [stdout]    --> src/request.rs:382:13
[INFO] [stdout]     |
[INFO] [stdout] 382 |             FUSE_IOCTL => {
[INFO] [stdout]     |             ^^^^^^^^^^ help: convert the identifier to snake case: `fuse_ioctl`
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:7:23
[INFO] [stdout]     |
[INFO] [stdout] 7   | #![warn(missing_docs, bad_style, unused, unused_extern_crates, unused_import_braces, unused_qualifications, missing_debug_implementations)]
[INFO] [stdout]     |                       ^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` implied by `#[warn(bad_style)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `FUSE_POLL` should have a snake case name
[INFO] [stdout]    --> src/request.rs:396:13
[INFO] [stdout]     |
[INFO] [stdout] 396 |             FUSE_POLL => {
[INFO] [stdout]     |             ^^^^^^^^^ help: convert the identifier to snake case: `fuse_poll`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stdout] error[E0463]: can't find crate for `fuse`
[INFO] [stdout]  --> examples/null.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate fuse;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `fuse`
[INFO] [stdout]  --> examples/hello.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate fuse;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `drakey-fuse` (example "null") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `drakey-fuse` (example "hello") due to 2 previous errors
[INFO] [stdout] warning: the item `AsRef` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::convert::AsRef;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `AsRef` is already defined here
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:7:34
[INFO] [stdout]    |
[INFO] [stdout] 7  | #![warn(missing_docs, bad_style, unused, unused_extern_crates, unused_import_braces, unused_qualifications, missing_debug_implementations)]
[INFO] [stdout]    |                                  ^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_imports)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/channel.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | use libc::{self, c_int, c_void, size_t};
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | extern crate libc;
[INFO] [stdout]    | ------------------ the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/channel.rs:36:26
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let mountpoint = try!(mountpoint.canonicalize());
[INFO] [stdout]    |                          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/channel.rs:38:23
[INFO] [stdout]    |
[INFO] [stdout] 38 |             let mnt = try!(CString::new(mountpoint.as_os_str().as_bytes()));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/channel.rs:149:15
[INFO] [stdout]     |
[INFO] [stdout] 149 |     let mnt = try!(CString::new(mountpoint.as_os_str().as_bytes()));
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AsRef` is imported redundantly
[INFO] [stdout]   --> src/reply.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::convert::AsRef;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `AsRef` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/reply.rs:126:24
[INFO] [stdout]     |
[INFO] [stdout] 126 |     sender: Option<Box<ReplySender>>,
[INFO] [stdout]     |                        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 126 |     sender: Option<Box<dyn ReplySender>>,
[INFO] [stdout]     |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reply.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl fmt::Debug for Box<ReplySender> {
[INFO] [stdout]    |                         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl fmt::Debug for Box<dyn ReplySender> {
[INFO] [stdout]    |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/request.rs:396:13
[INFO] [stdout]     |
[INFO] [stdout] 382 |             FUSE_IOCTL => {
[INFO] [stdout]     |             ---------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 396 |             FUSE_POLL => {
[INFO] [stdout]     |             ^^^^^^^^^ unreachable pattern
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/request.rs:402:13
[INFO] [stdout]     |
[INFO] [stdout] 382 |             FUSE_IOCTL => {
[INFO] [stdout]     |             ---------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 402 |             FUSE_BMAP => {
[INFO] [stdout]     |             ^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/request.rs:426:13
[INFO] [stdout]     |
[INFO] [stdout] 382 |             FUSE_IOCTL => {
[INFO] [stdout]     |             ---------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 426 |             CUSE_INIT => {
[INFO] [stdout]     |             ^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `FUSE_IOCTL`
[INFO] [stdout]    --> src/request.rs:382:13
[INFO] [stdout]     |
[INFO] [stdout] 382 |             FUSE_IOCTL => {
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_FUSE_IOCTL`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `FUSE_POLL`
[INFO] [stdout]    --> src/request.rs:396:13
[INFO] [stdout]     |
[INFO] [stdout] 396 |             FUSE_POLL => {
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_FUSE_POLL`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/request.rs:397:21
[INFO] [stdout]     |
[INFO] [stdout] 397 |                 let arg: &fuse_poll_in = data.fetch();
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/request.rs:427:21
[INFO] [stdout]     |
[INFO] [stdout] 427 |                 let arg: &cuse_init_in = data.fetch();
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `FUSE_IOCTL` should have a snake case name
[INFO] [stdout]    --> src/request.rs:382:13
[INFO] [stdout]     |
[INFO] [stdout] 382 |             FUSE_IOCTL => {
[INFO] [stdout]     |             ^^^^^^^^^^ help: convert the identifier to snake case: `fuse_ioctl`
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:7:23
[INFO] [stdout]     |
[INFO] [stdout] 7   | #![warn(missing_docs, bad_style, unused, unused_extern_crates, unused_import_braces, unused_qualifications, missing_debug_implementations)]
[INFO] [stdout]     |                       ^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` implied by `#[warn(bad_style)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `FUSE_POLL` should have a snake case name
[INFO] [stdout]    --> src/request.rs:396:13
[INFO] [stdout]     |
[INFO] [stdout] 396 |             FUSE_POLL => {
[INFO] [stdout]     |             ^^^^^^^^^ help: convert the identifier to snake case: `fuse_poll`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d7abd36174086e83d0098cfc2a123fcb34dda7d64352af2f0acf93bd7dfc10c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7abd36174086e83d0098cfc2a123fcb34dda7d64352af2f0acf93bd7dfc10c1", kill_on_drop: false }`
[INFO] [stdout] d7abd36174086e83d0098cfc2a123fcb34dda7d64352af2f0acf93bd7dfc10c1
