[INFO] fetching crate ndless 0.8.8...
[INFO] checking ndless-0.8.8 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate ndless 0.8.8 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate ndless 0.8.8
[INFO] finished tweaking crates.io crate ndless 0.8.8
[INFO] tweaked toml for crates.io crate ndless 0.8.8 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ndless 0.8.8 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 13 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df82ef1362330dc00572ddfe817a0a0fadb5de632b565e02040fac64afabcab4
[INFO] running `Command { std: "docker" "start" "-a" "df82ef1362330dc00572ddfe817a0a0fadb5de632b565e02040fac64afabcab4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df82ef1362330dc00572ddfe817a0a0fadb5de632b565e02040fac64afabcab4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df82ef1362330dc00572ddfe817a0a0fadb5de632b565e02040fac64afabcab4", kill_on_drop: false }`
[INFO] [stdout] df82ef1362330dc00572ddfe817a0a0fadb5de632b565e02040fac64afabcab4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0978f3a7e12e48bf5bf02a25dbe4a5d5d5503f15060bb41d4b8d245591241f33
[INFO] running `Command { std: "docker" "start" "-a" "0978f3a7e12e48bf5bf02a25dbe4a5d5d5503f15060bb41d4b8d245591241f33", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking cty v0.1.5
[INFO] [stderr]    Compiling ndless-static-vars v2.1.0
[INFO] [stderr]     Checking ndless-sys v0.2.0
[INFO] [stderr]     Checking cstr_core v0.1.2
[INFO] [stderr]     Checking cstr_core v0.2.6
[INFO] [stderr]     Checking embedded-ffi v0.1.2
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling ndless-macros v0.4.0
[INFO] [stderr]     Checking ndless v0.8.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `core_intrinsics` is internal to the compiler or standard library
[INFO] [stdout]   --> src/lib.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![feature(core_intrinsics)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: using it is strongly discouraged
[INFO] [stdout]    = note: `#[warn(internal_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `core_intrinsics` is internal to the compiler or standard library
[INFO] [stdout]   --> src/lib.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![feature(core_intrinsics)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: using it is strongly discouraged
[INFO] [stdout]    = note: `#[warn(internal_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FileTypeExt`
[INFO] [stdout]   --> src/file_io/sys/ext/mod.rs:33:22
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub use super::fs::{FileTypeExt, MetadataExt, OpenOptionsExt, PermissionsExt};
[INFO] [stdout]    |                         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AsRawFd`, `FromRawFd`, `IntoRawFd`, and `RawFd`
[INFO] [stdout]   --> src/file_io/sys/ext/mod.rs:34:22
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub use super::io::{AsRawFd, FromRawFd, IntoRawFd, RawFd};
[INFO] [stdout]    |                         ^^^^^^^  ^^^^^^^^^  ^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ndless_sys::NU_Open as open`
[INFO] [stdout]  --> src/libc.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use ndless_sys::NU_Open as open;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stat as lstat`
[INFO] [stdout]  --> src/libc.rs:6:52
[INFO] [stdout]   |
[INFO] [stdout] 6 |     nuc_closedir as closedir, nuc_opendir as opendir, stat as lstat, NU_Set_Current_Dir as chdir,
[INFO] [stdout]   |                                                       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/lib.rs:22:10
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub use core::ffi::*;
[INFO] [stdout]    |             ^^^^^^^^^^^^ the name `CStr` in the type namespace is first re-exported here
[INFO] [stdout] 23 |
[INFO] [stdout] 24 |     pub use embedded_ffi::*;
[INFO] [stdout]    |             --------------- but the name `CStr` in the type namespace is also re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/lib.rs:83:10
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub use alloc::{boxed::*, string::*, vec::*};
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^------^
[INFO] [stdout]    |             |                            |
[INFO] [stdout]    |             |                            but the name `Drain` in the type namespace is also re-exported here
[INFO] [stdout]    |             the name `Drain` in the type namespace is first re-exported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FileTypeExt`
[INFO] [stdout]   --> src/file_io/sys/ext/mod.rs:33:22
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub use super::fs::{FileTypeExt, MetadataExt, OpenOptionsExt, PermissionsExt};
[INFO] [stdout]    |                         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AsRawFd`, `FromRawFd`, `IntoRawFd`, and `RawFd`
[INFO] [stdout]   --> src/file_io/sys/ext/mod.rs:34:22
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub use super::io::{AsRawFd, FromRawFd, IntoRawFd, RawFd};
[INFO] [stdout]    |                         ^^^^^^^  ^^^^^^^^^  ^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ndless_sys::NU_Open as open`
[INFO] [stdout]  --> src/libc.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use ndless_sys::NU_Open as open;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stat as lstat`
[INFO] [stdout]  --> src/libc.rs:6:52
[INFO] [stdout]   |
[INFO] [stdout] 6 |     nuc_closedir as closedir, nuc_opendir as opendir, stat as lstat, NU_Set_Current_Dir as chdir,
[INFO] [stdout]   |                                                       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/lib.rs:22:10
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub use core::ffi::*;
[INFO] [stdout]    |             ^^^^^^^^^^^^ the name `CStr` in the type namespace is first re-exported here
[INFO] [stdout] 23 |
[INFO] [stdout] 24 |     pub use embedded_ffi::*;
[INFO] [stdout]    |             --------------- but the name `CStr` in the type namespace is also re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/lib.rs:83:10
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub use alloc::{boxed::*, string::*, vec::*};
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^------^
[INFO] [stdout]    |             |                            |
[INFO] [stdout]    |             |                            but the name `Drain` in the type namespace is also re-exported here
[INFO] [stdout]    |             the name `Drain` in the type namespace is first re-exported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]    --> src/bindings/math.rs:714:2
[INFO] [stdout]     |
[INFO] [stdout] 714 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]    --> src/bindings/math.rs:898:2
[INFO] [stdout]     |
[INFO] [stdout] 898 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]    --> src/bindings/math.rs:714:2
[INFO] [stdout]     |
[INFO] [stdout] 714 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]    --> src/bindings/math.rs:898:2
[INFO] [stdout]     |
[INFO] [stdout] 898 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `set_mode` and `from_mode` are never used
[INFO] [stdout]   --> src/file_io/sys/ext/fs.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub trait PermissionsExt {
[INFO] [stdout]    |           -------------- associated items in this trait
[INFO] [stdout] ...
[INFO] [stdout] 50 |     fn set_mode(&mut self, mode: u32);
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     fn from_mode(mode: u32) -> Self;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `custom_flags` is never used
[INFO] [stdout]    --> src/file_io/sys/ext/fs.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout]  87 | pub trait OpenOptionsExt {
[INFO] [stdout]     |           -------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 136 |     fn custom_flags(&mut self, flags: i32) -> &mut Self;
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MetadataExt` is never used
[INFO] [stdout]    --> src/file_io/sys/ext/fs.rs:155:11
[INFO] [stdout]     |
[INFO] [stdout] 155 | pub trait MetadataExt {
[INFO] [stdout]     |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FileTypeExt` is never used
[INFO] [stdout]    --> src/file_io/sys/ext/fs.rs:458:11
[INFO] [stdout]     |
[INFO] [stdout] 458 | pub trait FileTypeExt {
[INFO] [stdout]     |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `DirBuilderExt` is never used
[INFO] [stdout]    --> src/file_io/sys/ext/fs.rs:552:11
[INFO] [stdout]     |
[INFO] [stdout] 552 | pub trait DirBuilderExt {
[INFO] [stdout]     |           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `RawFd` is never used
[INFO] [stdout]   --> src/file_io/sys/ext/io.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub type RawFd = libc::c_int;
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AsRawFd` is never used
[INFO] [stdout]   --> src/file_io/sys/ext/io.rs:19:11
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub trait AsRawFd {
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FromRawFd` is never used
[INFO] [stdout]   --> src/file_io/sys/ext/io.rs:32:11
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub trait FromRawFd {
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `IntoRawFd` is never used
[INFO] [stdout]   --> src/file_io/sys/ext/io.rs:52:11
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub trait IntoRawFd {
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `custom_flags` is never read
[INFO] [stdout]   --> src/file_io/sys/fs.rs:65:2
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct OpenOptions {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 65 |     custom_flags: i32,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `OpenOptions` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `custom_flags` is never used
[INFO] [stdout]    --> src/file_io/sys/fs.rs:274:9
[INFO] [stdout]     |
[INFO] [stdout] 239 | impl OpenOptions {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 274 |     pub fn custom_flags(&mut self, flags: i32) {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `fd` and `into_fd` are never used
[INFO] [stdout]    --> src/file_io/sys/fs.rs:377:9
[INFO] [stdout]     |
[INFO] [stdout] 293 | impl File {
[INFO] [stdout]     | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 377 |     pub fn fd(&self) -> &FileDesc {
[INFO] [stdout]     |            ^^
[INFO] [stdout] ...
[INFO] [stdout] 381 |     pub fn into_fd(self) -> FileDesc {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_mode` is never used
[INFO] [stdout]    --> src/file_io/sys/fs.rs:397:9
[INFO] [stdout]     |
[INFO] [stdout] 386 | impl DirBuilder {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 397 |     pub fn set_mode(&mut self, mode: u32) {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MetadataExt` is never used
[INFO] [stdout]   --> src/file_io/sys/platform.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub trait MetadataExt {
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `IntoInner` is never used
[INFO] [stdout]   --> src/file_io/sys_common.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub trait IntoInner<Inner> {
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `S_IFIFO` is never used
[INFO] [stdout]   --> src/libc.rs:25:11
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub const S_IFIFO: mode_t = 4096;
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `S_IFCHR` is never used
[INFO] [stdout]   --> src/libc.rs:26:11
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub const S_IFCHR: mode_t = 8192;
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `S_IFBLK` is never used
[INFO] [stdout]   --> src/libc.rs:27:11
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub const S_IFBLK: mode_t = 24576;
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `S_IFSOCK` is never used
[INFO] [stdout]   --> src/libc.rs:30:11
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub const S_IFSOCK: mode_t = 49152;
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `set_mode` and `from_mode` are never used
[INFO] [stdout]   --> src/file_io/sys/ext/fs.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub trait PermissionsExt {
[INFO] [stdout]    |           -------------- associated items in this trait
[INFO] [stdout] ...
[INFO] [stdout] 50 |     fn set_mode(&mut self, mode: u32);
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     fn from_mode(mode: u32) -> Self;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `custom_flags` is never used
[INFO] [stdout]    --> src/file_io/sys/ext/fs.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout]  87 | pub trait OpenOptionsExt {
[INFO] [stdout]     |           -------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 136 |     fn custom_flags(&mut self, flags: i32) -> &mut Self;
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MetadataExt` is never used
[INFO] [stdout]    --> src/file_io/sys/ext/fs.rs:155:11
[INFO] [stdout]     |
[INFO] [stdout] 155 | pub trait MetadataExt {
[INFO] [stdout]     |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FileTypeExt` is never used
[INFO] [stdout]    --> src/file_io/sys/ext/fs.rs:458:11
[INFO] [stdout]     |
[INFO] [stdout] 458 | pub trait FileTypeExt {
[INFO] [stdout]     |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `DirBuilderExt` is never used
[INFO] [stdout]    --> src/file_io/sys/ext/fs.rs:552:11
[INFO] [stdout]     |
[INFO] [stdout] 552 | pub trait DirBuilderExt {
[INFO] [stdout]     |           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `RawFd` is never used
[INFO] [stdout]   --> src/file_io/sys/ext/io.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub type RawFd = libc::c_int;
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AsRawFd` is never used
[INFO] [stdout]   --> src/file_io/sys/ext/io.rs:19:11
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub trait AsRawFd {
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FromRawFd` is never used
[INFO] [stdout]   --> src/file_io/sys/ext/io.rs:32:11
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub trait FromRawFd {
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `IntoRawFd` is never used
[INFO] [stdout]   --> src/file_io/sys/ext/io.rs:52:11
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub trait IntoRawFd {
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `custom_flags` is never read
[INFO] [stdout]   --> src/file_io/sys/fs.rs:65:2
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct OpenOptions {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 65 |     custom_flags: i32,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `OpenOptions` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `custom_flags` is never used
[INFO] [stdout]    --> src/file_io/sys/fs.rs:274:9
[INFO] [stdout]     |
[INFO] [stdout] 239 | impl OpenOptions {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 274 |     pub fn custom_flags(&mut self, flags: i32) {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `fd` and `into_fd` are never used
[INFO] [stdout]    --> src/file_io/sys/fs.rs:377:9
[INFO] [stdout]     |
[INFO] [stdout] 293 | impl File {
[INFO] [stdout]     | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 377 |     pub fn fd(&self) -> &FileDesc {
[INFO] [stdout]     |            ^^
[INFO] [stdout] ...
[INFO] [stdout] 381 |     pub fn into_fd(self) -> FileDesc {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_mode` is never used
[INFO] [stdout]    --> src/file_io/sys/fs.rs:397:9
[INFO] [stdout]     |
[INFO] [stdout] 386 | impl DirBuilder {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 397 |     pub fn set_mode(&mut self, mode: u32) {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MetadataExt` is never used
[INFO] [stdout]   --> src/file_io/sys/platform.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub trait MetadataExt {
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `IntoInner` is never used
[INFO] [stdout]   --> src/file_io/sys_common.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub trait IntoInner<Inner> {
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `S_IFIFO` is never used
[INFO] [stdout]   --> src/libc.rs:25:11
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub const S_IFIFO: mode_t = 4096;
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `S_IFCHR` is never used
[INFO] [stdout]   --> src/libc.rs:26:11
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub const S_IFCHR: mode_t = 8192;
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `S_IFBLK` is never used
[INFO] [stdout]   --> src/libc.rs:27:11
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub const S_IFBLK: mode_t = 24576;
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `S_IFSOCK` is never used
[INFO] [stdout]   --> src/libc.rs:30:11
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub const S_IFSOCK: mode_t = 49152;
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.93s
[INFO] running `Command { std: "docker" "inspect" "0978f3a7e12e48bf5bf02a25dbe4a5d5d5503f15060bb41d4b8d245591241f33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0978f3a7e12e48bf5bf02a25dbe4a5d5d5503f15060bb41d4b8d245591241f33", kill_on_drop: false }`
[INFO] [stdout] 0978f3a7e12e48bf5bf02a25dbe4a5d5d5503f15060bb41d4b8d245591241f33