[INFO] fetching crate cntr-nix 0.11.3-pre1...
[INFO] checking cntr-nix-0.11.3-pre1 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate cntr-nix 0.11.3-pre1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate cntr-nix 0.11.3-pre1 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cntr-nix 0.11.3-pre1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate cntr-nix 0.11.3-pre1
[INFO] tweaked toml for crates.io crate cntr-nix 0.11.3-pre1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "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" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tempfile v2.2.0
[INFO] [stderr]   Downloaded sysctl v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 601f60c7d82912864192bf501126a9dddede9beff9aa1db196914a782431dddc
[INFO] running `Command { std: "docker" "start" "-a" "601f60c7d82912864192bf501126a9dddede9beff9aa1db196914a782431dddc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "601f60c7d82912864192bf501126a9dddede9beff9aa1db196914a782431dddc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "601f60c7d82912864192bf501126a9dddede9beff9aa1db196914a782431dddc", kill_on_drop: false }`
[INFO] [stdout] 601f60c7d82912864192bf501126a9dddede9beff9aa1db196914a782431dddc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ca1d24d0eb8a0b2960eeffe899f8b941516b7520678ff7d9204fb1e53fbcb80
[INFO] running `Command { std: "docker" "start" "-a" "2ca1d24d0eb8a0b2960eeffe899f8b941516b7520678ff7d9204fb1e53fbcb80", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling cntr-nix v0.11.3-pre1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stdout] error: 8th rule of macro `libc_enum` is never used
[INFO] [stdout]    --> src/macros.rs:204:5
[INFO] [stdout]     |
[INFO] [stdout] 204 | /     (@accumulate_entries
[INFO] [stdout] 205 | |         $prefix:tt,
[INFO] [stdout] 206 | |         [$($entries:tt)*];
[INFO] [stdout] 207 | |         $entry:ident as $ty:ty, $($tail:tt)*
[INFO] [stdout] 208 | |     ) => {
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:13:9
[INFO] [stdout]     |
[INFO] [stdout] 13  | #![deny(unused)]
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     = note: `#[deny(unused_macro_rules)]` implied by `#[deny(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/dirent.rs:6:12
[INFO] [stdout]    |
[INFO] [stdout] 6  | use libc::{self, DIR, c_long};
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate libc;
[INFO] [stdout]    | ---------------------- the item `libc` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(unused_imports)]` implied by `#[deny(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `AsRef` is imported redundantly
[INFO] [stdout]  --> src/dirent.rs:7:20
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::convert::{AsRef, Into};
[INFO] [stdout]   |                    ^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/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] error: the item `Into` is imported redundantly
[INFO] [stdout]  --> src/dirent.rs:7:27
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::convert::{AsRef, Into};
[INFO] [stdout]   |                           ^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Into` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/dirent.rs:84:16
[INFO] [stdout]    |
[INFO] [stdout] 84 |     let dirp = try!(name.with_nix_path(|cstr| unsafe { libc::opendir(cstr.as_ptr()) }));
[INFO] [stdout]    |                ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/errno.rs:2:5
[INFO] [stdout]    |
[INFO] [stdout] 2  | use libc;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate libc;
[INFO] [stdout]    | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]    --> src/errno.rs:534:9
[INFO] [stdout]     |
[INFO] [stdout] 534 |     use libc;
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:26:1
[INFO] [stdout]     |
[INFO] [stdout] 26  | pub extern crate libc;
[INFO] [stdout]     | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/features.rs:42:21
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 b'0'...b'9' => {
[INFO] [stdout]    |                     ^^^ help: use `..=` for an inclusive range
[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(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/fcntl.rs:3:12
[INFO] [stdout]    |
[INFO] [stdout] 3  | use libc::{self, c_int, c_uint, c_char, size_t, ssize_t};
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub 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/fcntl.rs:158:14
[INFO] [stdout]     |
[INFO] [stdout] 158 |     let fd = try!(path.with_nix_path(|cstr| {
[INFO] [stdout]     |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fcntl.rs:166:14
[INFO] [stdout]     |
[INFO] [stdout] 166 |     let fd = try!(path.with_nix_path(|cstr| {
[INFO] [stdout]     |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fcntl.rs:186:15
[INFO] [stdout]     |
[INFO] [stdout] 186 |     let res = try!(path.with_nix_path(|cstr| {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fcntl.rs:195:15
[INFO] [stdout]     |
[INFO] [stdout] 195 |     let res = try!(path.with_nix_path(|cstr| {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fcntl.rs:228:15
[INFO] [stdout]     |
[INFO] [stdout] 228 |     let res = try!(try!(oldpath.with_nix_path(|old|
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fcntl.rs:228:20
[INFO] [stdout]     |
[INFO] [stdout] 228 |     let res = try!(try!(oldpath.with_nix_path(|old|
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fcntl.rs:242:15
[INFO] [stdout]     |
[INFO] [stdout] 242 |     let res = try!(try!(oldpath.with_nix_path(|old|
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fcntl.rs:242:20
[INFO] [stdout]     |
[INFO] [stdout] 242 |     let res = try!(try!(oldpath.with_nix_path(|old|
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fcntl.rs:256:15
[INFO] [stdout]     |
[INFO] [stdout] 256 |     let res = try!(try!(oldpath.with_nix_path(|old|
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fcntl.rs:256:20
[INFO] [stdout]     |
[INFO] [stdout] 256 |     let res = try!(try!(oldpath.with_nix_path(|old|
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> src/ifaddrs.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::iter::Iterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `Option` is imported redundantly
[INFO] [stdout]  --> src/ifaddrs.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::option::Option;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Option` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/ifaddrs.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use libc;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate libc;
[INFO] [stdout]    | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/mount.rs:2:5
[INFO] [stdout]    |
[INFO] [stdout] 2  | use libc;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate libc;
[INFO] [stdout]    | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/mount.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 2  | use libc;
[INFO] [stdout]    |     ---- the item `libc` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 64 |     use libc;
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/mount.rs:66:15
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let res = try!(try!(try!(try!(
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/mount.rs:66:20
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let res = try!(try!(try!(try!(
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/mount.rs:66:25
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let res = try!(try!(try!(try!(
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/mount.rs:66:30
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let res = try!(try!(try!(try!(
[INFO] [stdout]    |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/mount.rs:87:15
[INFO] [stdout]    |
[INFO] [stdout] 87 |     let res = try!(target.with_nix_path(|cstr| {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/mount.rs:95:15
[INFO] [stdout]    |
[INFO] [stdout] 95 |     let res = try!(target.with_nix_path(|cstr| {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/mqueue.rs:8:12
[INFO] [stdout]    |
[INFO] [stdout] 8  | use libc::{self, c_char, c_long, mqd_t, size_t};
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate libc;
[INFO] [stdout]    | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary parentheses around type
[INFO] [stdout]    --> src/mqueue.rs:154:46
[INFO] [stdout]     |
[INFO] [stdout] 154 | pub fn mq_set_nonblock(mqd: mqd_t) -> Result<(MqAttr)> {
[INFO] [stdout]     |                                              ^      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(unused_parens)]` implied by `#[deny(unused)]`
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 154 - pub fn mq_set_nonblock(mqd: mqd_t) -> Result<(MqAttr)> {
[INFO] [stdout] 154 + pub fn mq_set_nonblock(mqd: mqd_t) -> Result<MqAttr> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/mqueue.rs:155:19
[INFO] [stdout]     |
[INFO] [stdout] 155 |     let oldattr = try!(mq_getattr(mqd));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary parentheses around type
[INFO] [stdout]    --> src/mqueue.rs:166:49
[INFO] [stdout]     |
[INFO] [stdout] 166 | pub fn mq_remove_nonblock(mqd: mqd_t) -> Result<(MqAttr)> {
[INFO] [stdout]     |                                                 ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 166 - pub fn mq_remove_nonblock(mqd: mqd_t) -> Result<(MqAttr)> {
[INFO] [stdout] 166 + pub fn mq_remove_nonblock(mqd: mqd_t) -> Result<MqAttr> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/mqueue.rs:167:19
[INFO] [stdout]     |
[INFO] [stdout] 167 |     let oldattr = try!(mq_getattr(mqd));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/net/if_.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | use libc;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub 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/net/if_.rs:12:20
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let if_index = try!(name.with_nix_path(|name| unsafe { libc::if_nametoindex(name.as_ptr()) }));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/poll.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | use libc;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate libc;
[INFO] [stdout]    | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/pty.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout] 3  | use libc;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate libc;
[INFO] [stdout]    | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `Option` is imported redundantly
[INFO] [stdout]  --> src/sched.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::option::Option;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Option` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/sched.rs:4:12
[INFO] [stdout]    |
[INFO] [stdout] 4  | use libc::{self, c_int, c_void};
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate libc;
[INFO] [stdout]    | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/sys/aio.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | use libc;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate libc;
[INFO] [stdout]    | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/sys/epoll.rs:3:12
[INFO] [stdout]    |
[INFO] [stdout] 3  | use libc::{self, c_int};
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate libc;
[INFO] [stdout]    | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/sys/eventfd.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout] 1  | use libc;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate libc;
[INFO] [stdout]    | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/sys/memfd.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout] 1  | use libc;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate libc;
[INFO] [stdout]    | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/sys/mman.rs:7:12
[INFO] [stdout]    |
[INFO] [stdout] 7  | use libc::{self, c_int, c_void, size_t, off_t};
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub 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/sys/mman.rs:267:15
[INFO] [stdout]     |
[INFO] [stdout] 267 |     let ret = try!(name.with_nix_path(|cstr| {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/mman.rs:283:15
[INFO] [stdout]     |
[INFO] [stdout] 283 |     let ret = try!(name.with_nix_path(|cstr| {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/sys/pthread.rs:1:12
[INFO] [stdout]    |
[INFO] [stdout] 1  | use libc::{self, pthread_t};
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate libc;
[INFO] [stdout]    | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/sys/ptrace.rs:6:12
[INFO] [stdout]    |
[INFO] [stdout] 6  | use libc::{self, c_void, c_long, siginfo_t};
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate libc;
[INFO] [stdout]    | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `ptr` is imported redundantly
[INFO] [stdout]    --> src/sys/ptrace.rs:216:9
[INFO] [stdout]     |
[INFO] [stdout] 3   | use std::{mem, ptr};
[INFO] [stdout]     |                --- the item `ptr` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 216 |     use std::ptr;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/sys/quota.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | use libc::{self, c_int, c_char};
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub 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/sys/quota.rs:234:19
[INFO] [stdout]     |
[INFO] [stdout] 234 |         let res = try!(
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/quota.rs:247:5
[INFO] [stdout]     |
[INFO] [stdout] 247 |     try!(quota_file.with_nix_path(|path| {
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/sys/reboot.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout] 5  | use libc;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate libc;
[INFO] [stdout]    | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `drop` is imported redundantly
[INFO] [stdout]  --> src/sys/reboot.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::mem::drop;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `drop` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/sys/resource.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout] 3  | use libc;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate libc;
[INFO] [stdout]    | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/sys/select.rs:4:12
[INFO] [stdout]    |
[INFO] [stdout] 4  | use libc::{self, c_int};
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate libc;
[INFO] [stdout]    | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/sys/sendfile.rs:4:12
[INFO] [stdout]    |
[INFO] [stdout] 4  | use libc::{self, off_t};
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate libc;
[INFO] [stdout]    | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/sys/signal.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | use libc;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub 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/sys/signal.rs:316:9
[INFO] [stdout]     |
[INFO] [stdout] 316 |         try!(pthread_sigmask(SigmaskHow::SIG_SETMASK, None, Some(&mut oldmask)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/signal.rs:338:9
[INFO] [stdout]     |
[INFO] [stdout] 338 |         try!(pthread_sigmask(how, Some(self), Some(&mut oldmask)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]    --> src/sys/signal.rs:551:9
[INFO] [stdout]     |
[INFO] [stdout] 551 |     use libc;
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:26:1
[INFO] [stdout]     |
[INFO] [stdout] 26  | pub extern crate libc;
[INFO] [stdout]     | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/sys/signalfd.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use libc;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub 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/sys/signalfd.rs:91:18
[INFO] [stdout]    |
[INFO] [stdout] 91 |         let fd = try!(signalfd(SIGNALFD_NEW, mask, flags));
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/sys/socket/mod.rs:6:12
[INFO] [stdout]    |
[INFO] [stdout] 6  | use libc::{self, c_void, c_int, socklen_t, size_t};
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub 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/sys/socket/addr.rs:600:9
[INFO] [stdout]     |
[INFO] [stdout] 600 |         try!(path.with_nix_path(|cstr| {
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket/addr.rs:759:27
[INFO] [stdout]     |
[INFO] [stdout] 759 |         Ok(SockAddr::Unix(try!(UnixAddr::new(path))))
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]     --> src/sys/socket/addr.rs:1115:17
[INFO] [stdout]      |
[INFO] [stdout] 1115 |     use super::{libc, hash, fmt, AddressFamily};
[INFO] [stdout]      |                 ^^^^
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/lib.rs:26:1
[INFO] [stdout]      |
[INFO] [stdout] 26   | pub extern crate libc;
[INFO] [stdout]      | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/sys/socket/sockopt.rs:5:12
[INFO] [stdout]    |
[INFO] [stdout] 5  | use libc::{self, c_int, uint8_t, c_void, socklen_t};
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate libc;
[INFO] [stdout]    | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: 2nd rule of macro `sockopt_impl` is never used
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:123:5
[INFO] [stdout]     |
[INFO] [stdout] 123 |     (GetOnly, $name:ident, $level:path, $flag:path, u8) => {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: 3rd rule of macro `sockopt_impl` is never used
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:127:5
[INFO] [stdout]     |
[INFO] [stdout] 127 |     (GetOnly, $name:ident, $level:path, $flag:path, usize) => {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: 4th rule of macro `sockopt_impl` is never used
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:131:5
[INFO] [stdout]     |
[INFO] [stdout] 131 |     (SetOnly, $name:ident, $level:path, $flag:path, bool) => {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: 5th rule of macro `sockopt_impl` is never used
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:135:5
[INFO] [stdout]     |
[INFO] [stdout] 135 |     (SetOnly, $name:ident, $level:path, $flag:path, u8) => {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:84:21
[INFO] [stdout]     |
[INFO] [stdout] 84  |                     try!(Errno::result(res));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 200 | sockopt_impl!(Both, ReuseAddr, libc::SOL_SOCKET, libc::SO_REUSEADDR, bool);
[INFO] [stdout]     | -------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `getsockopt_impl` which comes from the expansion of the macro `sockopt_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:84:21
[INFO] [stdout]     |
[INFO] [stdout] 84  |                     try!(Errno::result(res));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 201 | sockopt_impl!(Both, ReusePort, libc::SOL_SOCKET, libc::SO_REUSEPORT, bool);
[INFO] [stdout]     | -------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `getsockopt_impl` which comes from the expansion of the macro `sockopt_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:84:21
[INFO] [stdout]     |
[INFO] [stdout] 84  |                     try!(Errno::result(res));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 202 | sockopt_impl!(Both, TcpNoDelay, libc::IPPROTO_TCP, libc::TCP_NODELAY, bool);
[INFO] [stdout]     | --------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `getsockopt_impl` which comes from the expansion of the macro `sockopt_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:84:21
[INFO] [stdout]     |
[INFO] [stdout] 84  |                     try!(Errno::result(res));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 203 | sockopt_impl!(Both, Linger, libc::SOL_SOCKET, libc::SO_LINGER, libc::linger);
[INFO] [stdout]     | ---------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `getsockopt_impl` which comes from the expansion of the macro `sockopt_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:84:21
[INFO] [stdout]     |
[INFO] [stdout] 84  |                     try!(Errno::result(res));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 220 | sockopt_impl!(Both, IpMulticastTtl, libc::IPPROTO_IP, libc::IP_MULTICAST_TTL, u8);
[INFO] [stdout]     | --------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `getsockopt_impl` which comes from the expansion of the macro `sockopt_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:84:21
[INFO] [stdout]     |
[INFO] [stdout] 84  |                     try!(Errno::result(res));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 221 | sockopt_impl!(Both, IpMulticastLoop, libc::IPPROTO_IP, libc::IP_MULTICAST_LOOP, bool);
[INFO] [stdout]     | ------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `getsockopt_impl` which comes from the expansion of the macro `sockopt_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:84:21
[INFO] [stdout]     |
[INFO] [stdout] 84  |                     try!(Errno::result(res));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 222 | sockopt_impl!(Both, ReceiveTimeout, libc::SOL_SOCKET, libc::SO_RCVTIMEO, TimeVal);
[INFO] [stdout]     | --------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `getsockopt_impl` which comes from the expansion of the macro `sockopt_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:84:21
[INFO] [stdout]     |
[INFO] [stdout] 84  |                     try!(Errno::result(res));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 223 | sockopt_impl!(Both, SendTimeout, libc::SOL_SOCKET, libc::SO_SNDTIMEO, TimeVal);
[INFO] [stdout]     | ------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `getsockopt_impl` which comes from the expansion of the macro `sockopt_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:84:21
[INFO] [stdout]     |
[INFO] [stdout] 84  |                     try!(Errno::result(res));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 224 | sockopt_impl!(Both, Broadcast, libc::SOL_SOCKET, libc::SO_BROADCAST, bool);
[INFO] [stdout]     | -------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `getsockopt_impl` which comes from the expansion of the macro `sockopt_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:84:21
[INFO] [stdout]     |
[INFO] [stdout] 84  |                     try!(Errno::result(res));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 225 | sockopt_impl!(Both, OobInline, libc::SOL_SOCKET, libc::SO_OOBINLINE, bool);
[INFO] [stdout]     | -------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `getsockopt_impl` which comes from the expansion of the macro `sockopt_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:84:21
[INFO] [stdout]     |
[INFO] [stdout] 84  |                     try!(Errno::result(res));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 226 | sockopt_impl!(GetOnly, SocketError, libc::SOL_SOCKET, libc::SO_ERROR, i32);
[INFO] [stdout]     | -------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `getsockopt_impl` which comes from the expansion of the macro `sockopt_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:84:21
[INFO] [stdout]     |
[INFO] [stdout] 84  |                     try!(Errno::result(res));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 227 | sockopt_impl!(Both, KeepAlive, libc::SOL_SOCKET, libc::SO_KEEPALIVE, bool);
[INFO] [stdout]     | -------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `getsockopt_impl` which comes from the expansion of the macro `sockopt_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:84:21
[INFO] [stdout]     |
[INFO] [stdout] 84  |                     try!(Errno::result(res));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 229 | sockopt_impl!(GetOnly, PeerCredentials, libc::SOL_SOCKET, libc::SO_PEERCRED, super::UnixCredentials);
[INFO] [stdout]     | ---------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `getsockopt_impl` which comes from the expansion of the macro `sockopt_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:84:21
[INFO] [stdout]     |
[INFO] [stdout] 84  |                     try!(Errno::result(res));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 238 | sockopt_impl!(Both, TcpKeepIdle, libc::IPPROTO_TCP, libc::TCP_KEEPIDLE, u32);
[INFO] [stdout]     | ---------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `getsockopt_impl` which comes from the expansion of the macro `sockopt_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:84:21
[INFO] [stdout]     |
[INFO] [stdout] 84  |                     try!(Errno::result(res));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 239 | sockopt_impl!(Both, RcvBuf, libc::SOL_SOCKET, libc::SO_RCVBUF, usize);
[INFO] [stdout]     | --------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `getsockopt_impl` which comes from the expansion of the macro `sockopt_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:84:21
[INFO] [stdout]     |
[INFO] [stdout] 84  |                     try!(Errno::result(res));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 240 | sockopt_impl!(Both, SndBuf, libc::SOL_SOCKET, libc::SO_SNDBUF, usize);
[INFO] [stdout]     | --------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `getsockopt_impl` which comes from the expansion of the macro `sockopt_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:84:21
[INFO] [stdout]     |
[INFO] [stdout] 84  |                     try!(Errno::result(res));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 245 | sockopt_impl!(GetOnly, SockType, libc::SOL_SOCKET, libc::SO_TYPE, super::SockType);
[INFO] [stdout]     | ---------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `getsockopt_impl` which comes from the expansion of the macro `sockopt_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:84:21
[INFO] [stdout]     |
[INFO] [stdout] 84  |                     try!(Errno::result(res));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 246 | sockopt_impl!(GetOnly, AcceptConn, libc::SOL_SOCKET, libc::SO_ACCEPTCONN, bool);
[INFO] [stdout]     | ------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `getsockopt_impl` which comes from the expansion of the macro `sockopt_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:84:21
[INFO] [stdout]     |
[INFO] [stdout] 84  |                     try!(Errno::result(res));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 248 | sockopt_impl!(GetOnly, OriginalDst, libc::SOL_IP, libc::SO_ORIGINAL_DST, libc::sockaddr_in);
[INFO] [stdout]     | ------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `getsockopt_impl` which comes from the expansion of the macro `sockopt_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:84:21
[INFO] [stdout]     |
[INFO] [stdout] 84  |                     try!(Errno::result(res));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 249 | sockopt_impl!(Both, ReceiveTimestamp, libc::SOL_SOCKET, libc::SO_TIMESTAMP, bool);
[INFO] [stdout]     | --------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `getsockopt_impl` which comes from the expansion of the macro `sockopt_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:84:21
[INFO] [stdout]     |
[INFO] [stdout] 84  |                     try!(Errno::result(res));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 251 | sockopt_impl!(Both, IpTransparent, libc::SOL_IP, libc::IP_TRANSPARENT, bool);
[INFO] [stdout]     | ---------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `getsockopt_impl` which comes from the expansion of the macro `sockopt_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:84:21
[INFO] [stdout]     |
[INFO] [stdout] 84  |                     try!(Errno::result(res));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 257 | sockopt_impl!(Both, Mark, libc::SOL_SOCKET, libc::SO_MARK, u32);
[INFO] [stdout]     | --------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `getsockopt_impl` which comes from the expansion of the macro `sockopt_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket/mod.rs:687:16
[INFO] [stdout]     |
[INFO] [stdout] 687 |         bytes: try!(Errno::result(ret)) as usize,
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket/mod.rs:827:19
[INFO] [stdout]     |
[INFO] [stdout] 827 |         let ret = try!(Errno::result(libc::recvfrom(
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket/mod.rs:927:9
[INFO] [stdout]     |
[INFO] [stdout] 927 |         try!(Errno::result(ret));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket/mod.rs:943:9
[INFO] [stdout]     |
[INFO] [stdout] 943 |         try!(Errno::result(ret));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/sys/stat.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | use libc::{self, mode_t};
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub 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/sys/stat.rs:56:15
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let res = try!(path.with_nix_path(|cstr| {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sys/stat.rs:69:15
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let res = try!(path.with_nix_path(|cstr| {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/stat.rs:111:5
[INFO] [stdout]     |
[INFO] [stdout] 111 |     try!(Errno::result(res));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/stat.rs:105:15
[INFO] [stdout]     |
[INFO] [stdout] 105 |     let res = try!(path.with_nix_path(|cstr| {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/stat.rs:124:5
[INFO] [stdout]     |
[INFO] [stdout] 124 |     try!(Errno::result(res));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/stat.rs:118:15
[INFO] [stdout]     |
[INFO] [stdout] 118 |     let res = try!(path.with_nix_path(|cstr| {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/stat.rs:133:5
[INFO] [stdout]     |
[INFO] [stdout] 133 |     try!(Errno::result(res));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/stat.rs:144:5
[INFO] [stdout]     |
[INFO] [stdout] 144 |     try!(Errno::result(res));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/stat.rs:140:15
[INFO] [stdout]     |
[INFO] [stdout] 140 |     let res = try!(pathname.with_nix_path(|cstr| {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]    --> src/sys/stat.rs:215:9
[INFO] [stdout]     |
[INFO] [stdout] 215 |     use libc;
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:26:1
[INFO] [stdout]     |
[INFO] [stdout] 26  | pub 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/sys/stat.rs:254:19
[INFO] [stdout]     |
[INFO] [stdout] 254 |         let res = try!(pathname.with_nix_path(|cstr| {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/sys/statfs.rs:4:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | use libc;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub 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/sys/statfs.rs:9:19
[INFO] [stdout]   |
[INFO] [stdout] 9 |         let res = try!(
[INFO] [stdout]   |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/sys/statvfs.rs:8:12
[INFO] [stdout]    |
[INFO] [stdout] 8  | use libc::{self, c_ulong};
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub 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/sys/statvfs.rs:129:19
[INFO] [stdout]     |
[INFO] [stdout] 129 |         let res = try!(
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/sys/sysinfo.rs:1:12
[INFO] [stdout]    |
[INFO] [stdout] 1  | use libc::{self, SI_LOAD_SHIFT};
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate libc;
[INFO] [stdout]    | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/sys/prctl.rs:1:12
[INFO] [stdout]    |
[INFO] [stdout] 1  | use libc::{self, c_ulong, c_int};
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate libc;
[INFO] [stdout]    | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]    --> src/sys/termios.rs:166:12
[INFO] [stdout]     |
[INFO] [stdout] 166 | use libc::{self, c_int, tcflag_t};
[INFO] [stdout]     |            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:26:1
[INFO] [stdout]     |
[INFO] [stdout] 26  | pub extern crate libc;
[INFO] [stdout]     | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `From` is imported redundantly
[INFO] [stdout]    --> src/sys/termios.rs:168:5
[INFO] [stdout]     |
[INFO] [stdout] 168 | use std::convert::From;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]     |
[INFO] [stdout]     = note: the item `From` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/sys/termios.rs:1050:5
[INFO] [stdout]      |
[INFO] [stdout] 1050 |     try!(Errno::result(res));
[INFO] [stdout]      |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/time.rs:237:9
[INFO] [stdout]     |
[INFO] [stdout] 237 |         try!(write!(f, "{}", sign));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/time.rs:241:17
[INFO] [stdout]     |
[INFO] [stdout] 241 |                 try!(write!(f, "{} second", sec));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/time.rs:243:17
[INFO] [stdout]     |
[INFO] [stdout] 243 |                 try!(write!(f, "{} seconds", sec));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/time.rs:246:13
[INFO] [stdout]     |
[INFO] [stdout] 246 |             try!(write!(f, "{}.{:03} seconds", sec, abs.tv_nsec() / 1_000_000));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/time.rs:248:13
[INFO] [stdout]     |
[INFO] [stdout] 248 |             try!(write!(f, "{}.{:06} seconds", sec, abs.tv_nsec() / 1_000));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/time.rs:250:13
[INFO] [stdout]     |
[INFO] [stdout] 250 |             try!(write!(f, "{}.{:09} seconds", sec, abs.tv_nsec()));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/time.rs:451:9
[INFO] [stdout]     |
[INFO] [stdout] 451 |         try!(write!(f, "{}", sign));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/time.rs:455:17
[INFO] [stdout]     |
[INFO] [stdout] 455 |                 try!(write!(f, "{} second", sec));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/time.rs:457:17
[INFO] [stdout]     |
[INFO] [stdout] 457 |                 try!(write!(f, "{} seconds", sec));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/time.rs:460:13
[INFO] [stdout]     |
[INFO] [stdout] 460 |             try!(write!(f, "{}.{:03} seconds", sec, abs.tv_usec() / 1000));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/time.rs:462:13
[INFO] [stdout]     |
[INFO] [stdout] 462 |             try!(write!(f, "{}.{:06} seconds", sec, abs.tv_usec()));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/sys/uio.rs:6:12
[INFO] [stdout]    |
[INFO] [stdout] 6  | use libc::{self, c_int, c_void, size_t, off_t};
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate libc;
[INFO] [stdout]    | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/sys/utsname.rs:2:12
[INFO] [stdout]    |
[INFO] [stdout] 2  | use libc::{self, c_char};
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate libc;
[INFO] [stdout]    | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/sys/wait.rs:1:12
[INFO] [stdout]    |
[INFO] [stdout] 1  | use libc::{self, c_int};
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub 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/sys/wait.rs:184:39
[INFO] [stdout]     |
[INFO] [stdout] 184 |             WaitStatus::Signaled(pid, try!(term_signal(status)), dumped_core(status))
[INFO] [stdout]     |                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/wait.rs:193:54
[INFO] [stdout]     |
[INFO] [stdout] 193 | ...                   WaitStatus::Stopped(pid, try!(stop_signal(status)))
[INFO] [stdout]     |                                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/wait.rs:195:58
[INFO] [stdout]     |
[INFO] [stdout] 195 | ...                   WaitStatus::PtraceEvent(pid, try!(stop_signal(status)), stop_additional(status))
[INFO] [stdout]     |                                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/wait.rs:230:11
[INFO] [stdout]     |
[INFO] [stdout] 230 |     match try!(Errno::result(res)) {
[INFO] [stdout]     |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/sys/xattr.rs:1:12
[INFO] [stdout]    |
[INFO] [stdout] 1  | use libc::{self, c_int};
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub 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/sys/xattr.rs:11:15
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let res = try!(try!(unsafe {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sys/xattr.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let res = try!(try!(unsafe {
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sys/xattr.rs:27:15
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let res = try!(unsafe {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sys/xattr.rs:45:15
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let res = try!(try!(unsafe {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sys/xattr.rs:45:20
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let res = try!(try!(unsafe {
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sys/xattr.rs:61:15
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let res = try!(unsafe {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sys/xattr.rs:75:15
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let res = try!(unsafe {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sys/xattr.rs:89:15
[INFO] [stdout]    |
[INFO] [stdout] 89 |     let res = try!(try!(unsafe {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sys/xattr.rs:89:20
[INFO] [stdout]    |
[INFO] [stdout] 89 |     let res = try!(try!(unsafe {
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/xattr.rs:111:15
[INFO] [stdout]     |
[INFO] [stdout] 111 |     let res = try!(try!(unsafe {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/xattr.rs:111:20
[INFO] [stdout]     |
[INFO] [stdout] 111 |     let res = try!(try!(unsafe {
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/xattr.rs:128:15
[INFO] [stdout]     |
[INFO] [stdout] 128 |     let res = try!(unsafe {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/xattr.rs:142:15
[INFO] [stdout]     |
[INFO] [stdout] 142 |     let res = try!(try!(unsafe {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/xattr.rs:142:20
[INFO] [stdout]     |
[INFO] [stdout] 142 |     let res = try!(try!(unsafe {
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/xattr.rs:151:15
[INFO] [stdout]     |
[INFO] [stdout] 151 |     let res = try!(unsafe {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/xattr.rs:158:15
[INFO] [stdout]     |
[INFO] [stdout] 158 |     let res = try!(try!(unsafe {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/xattr.rs:158:20
[INFO] [stdout]     |
[INFO] [stdout] 158 |     let res = try!(try!(unsafe {
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/ucontext.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout] 1  | use libc;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate libc;
[INFO] [stdout]    | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/unistd.rs:7:12
[INFO] [stdout]    |
[INFO] [stdout] 7  | use libc::{self, c_char, c_void, c_int, c_long, c_uint, size_t, pid_t,
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub 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/unistd.rs:387:14
[INFO] [stdout]     |
[INFO] [stdout] 387 |     let fd = try!(dup2(oldfd, newfd));
[INFO] [stdout]     |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/unistd.rs:406:15
[INFO] [stdout]     |
[INFO] [stdout] 406 |     let res = try!(path.with_nix_path(|cstr| {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/unistd.rs:459:15
[INFO] [stdout]     |
[INFO] [stdout] 459 |     let res = try!(path.with_nix_path(|cstr| {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/unistd.rs:502:15
[INFO] [stdout]     |
[INFO] [stdout] 502 |     let res = try!(path.with_nix_path(|cstr| {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/unistd.rs:512:15
[INFO] [stdout]     |
[INFO] [stdout] 512 |     let res = try!(pathname.with_nix_path(|cstr| {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/unistd.rs:590:15
[INFO] [stdout]     |
[INFO] [stdout] 590 |     let res = try!(path.with_nix_path(|cstr| {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/unistd.rs:604:15
[INFO] [stdout]     |
[INFO] [stdout] 604 |     let res = try!(path.with_nix_path(|cstr| {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/unistd.rs:634:15
[INFO] [stdout]     |
[INFO] [stdout] 634 |     let res = try!(pathname.with_nix_path(|cstr| {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/unistd.rs:964:15
[INFO] [stdout]     |
[INFO] [stdout] 964 |     let res = try!(try!(oldpath.with_nix_path(|old|
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/unistd.rs:964:20
[INFO] [stdout]     |
[INFO] [stdout] 964 |     let res = try!(try!(oldpath.with_nix_path(|old|
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/unistd.rs:979:15
[INFO] [stdout]     |
[INFO] [stdout] 979 |     let res = try!(try!(oldpath.with_nix_path(|old|
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/unistd.rs:979:20
[INFO] [stdout]     |
[INFO] [stdout] 979 |     let res = try!(try!(oldpath.with_nix_path(|old|
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/unistd.rs:995:15
[INFO] [stdout]     |
[INFO] [stdout] 995 |     let res = try!(try!(target.with_nix_path(|t|
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/unistd.rs:995:20
[INFO] [stdout]     |
[INFO] [stdout] 995 |     let res = try!(try!(target.with_nix_path(|t|
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/unistd.rs:1011:15
[INFO] [stdout]      |
[INFO] [stdout] 1011 |     let res = try!(try!(target.with_nix_path(|t|
[INFO] [stdout]      |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/unistd.rs:1011:20
[INFO] [stdout]      |
[INFO] [stdout] 1011 |     let res = try!(try!(target.with_nix_path(|t|
[INFO] [stdout]      |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/unistd.rs:1033:9
[INFO] [stdout]      |
[INFO] [stdout] 1033 |         try!(Errno::result(res));
[INFO] [stdout]      |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/unistd.rs:1060:5
[INFO] [stdout]      |
[INFO] [stdout] 1060 |     try!(Errno::result(res));
[INFO] [stdout]      |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]     --> src/unistd.rs:1127:9
[INFO] [stdout]      |
[INFO] [stdout] 7    | use libc::{self, c_char, c_void, c_int, c_long, c_uint, size_t, pid_t,
[INFO] [stdout]      |            ---- the item `libc` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 1127 |     use libc;
[INFO] [stdout]      |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/unistd.rs:1147:15
[INFO] [stdout]      |
[INFO] [stdout] 1147 |     let res = try!(path.with_nix_path(|cstr| {
[INFO] [stdout]      |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/unistd.rs:1158:15
[INFO] [stdout]      |
[INFO] [stdout] 1158 |     let res = try!(pathname.with_nix_path(|cstr| {
[INFO] [stdout]      |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/unistd.rs:1169:15
[INFO] [stdout]      |
[INFO] [stdout] 1169 |     let res = try!(pathname.with_nix_path(|cstr| {
[INFO] [stdout]      |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/unistd.rs:1178:15
[INFO] [stdout]      |
[INFO] [stdout] 1178 |     let res = try!(pathname.with_nix_path(|cstr| {
[INFO] [stdout]      |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/unistd.rs:1186:15
[INFO] [stdout]      |
[INFO] [stdout] 1186 |     let res = try!(path.with_nix_path(|cstr| {
[INFO] [stdout]      |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]     --> src/unistd.rs:1563:9
[INFO] [stdout]      |
[INFO] [stdout] 1563 |     use libc;
[INFO] [stdout]      |         ^^^^
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/lib.rs:26:1
[INFO] [stdout]      |
[INFO] [stdout] 26   | pub 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/unistd.rs:1632:5
[INFO] [stdout]      |
[INFO] [stdout] 1632 |     try!(Errno::result(fd));
[INFO] [stdout]      |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/unistd.rs:1626:20
[INFO] [stdout]      |
[INFO] [stdout] 1626 |     let mut path = try!(template.with_nix_path(|path| {path.to_bytes_with_nul().to_owned()}));
[INFO] [stdout]      |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/unistd.rs:1793:15
[INFO] [stdout]      |
[INFO] [stdout] 1793 |     let raw = try!(path.with_nix_path(|cstr| {
[INFO] [stdout]      |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]     --> src/unistd.rs:2254:9
[INFO] [stdout]      |
[INFO] [stdout] 2254 |     use libc;
[INFO] [stdout]      |         ^^^^
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/lib.rs:26:1
[INFO] [stdout]      |
[INFO] [stdout] 26   | pub 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/unistd.rs:2260:19
[INFO] [stdout]      |
[INFO] [stdout] 2260 |         let res = try!(try!(new_root.with_nix_path(|new_root| {
[INFO] [stdout]      |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/unistd.rs:2260:24
[INFO] [stdout]      |
[INFO] [stdout] 2260 |         let res = try!(try!(new_root.with_nix_path(|new_root| {
[INFO] [stdout]      |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]     --> src/unistd.rs:2275:9
[INFO] [stdout]      |
[INFO] [stdout] 2275 |     use libc;
[INFO] [stdout]      |         ^^^^
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/lib.rs:26:1
[INFO] [stdout]      |
[INFO] [stdout] 26   | pub extern crate libc;
[INFO] [stdout]      | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking tempfile v2.2.0
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/ifaddrs.rs:128:55
[INFO] [stdout]     |
[INFO] [stdout] 128 |     let mut addrs: *mut libc::ifaddrs = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/mqueue.rs:135:34
[INFO] [stdout]     |
[INFO] [stdout] 135 |     let mut attr = unsafe { mem::uninitialized::<libc::mq_attr>() };
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/mqueue.rs:146:34
[INFO] [stdout]     |
[INFO] [stdout] 146 |     let mut attr = unsafe { mem::uninitialized::<libc::mq_attr>() };
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/mqueue.rs:54:38
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let mut attr = unsafe { mem::uninitialized::<libc::mq_attr>() };
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/pty.rs:216:48
[INFO] [stdout]     |
[INFO] [stdout] 216 |     let mut slave: libc::c_int = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/pty.rs:217:49
[INFO] [stdout]     |
[INFO] [stdout] 217 |     let mut master: libc::c_int = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/sys/ptrace.rs:199:33
[INFO] [stdout]     |
[INFO] [stdout] 199 |     let data: T = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/sys/quota.rs:266:35
[INFO] [stdout]     |
[INFO] [stdout] 266 |     let mut dqblk = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/sys/resource.rs:42:36
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let mut rlimit = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/sys/select.rs:20:39
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let mut fdset = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/sys/signal.rs:437:27
[INFO] [stdout]     |
[INFO] [stdout] 437 |     let mut oldact = mem::uninitialized::<libc::sigaction>();
[INFO] [stdout]     |                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/sys/signal.rs:270:56
[INFO] [stdout]     |
[INFO] [stdout] 270 |         let mut sigset: libc::sigset_t = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/sys/signal.rs:277:56
[INFO] [stdout]     |
[INFO] [stdout] 277 |         let mut sigset: libc::sigset_t = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/sys/signal.rs:315:49
[INFO] [stdout]     |
[INFO] [stdout] 315 |         let mut oldmask: SigSet = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/sys/signal.rs:337:49
[INFO] [stdout]     |
[INFO] [stdout] 337 |         let mut oldmask: SigSet = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/sys/signal.rs:345:53
[INFO] [stdout]     |
[INFO] [stdout] 345 |         let mut signum: libc::c_int = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/sys/signal.rs:387:35
[INFO] [stdout]     |
[INFO] [stdout] 387 |         let mut s = unsafe { mem::uninitialized::<libc::sigaction>() };
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/sys/signalfd.rs:101:69
[INFO] [stdout]     |
[INFO] [stdout] 101 |         let mut buffer: [u8; SIGNALFD_SIGINFO_SIZE] = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                                                     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/sys/socket/mod.rs:638:37
[INFO] [stdout]     |
[INFO] [stdout] 638 |         let mut mhdr: msghdr = mem::uninitialized();
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/sys/socket/mod.rs:657:55
[INFO] [stdout]     |
[INFO] [stdout] 657 |     let mut address: sockaddr_storage = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/sys/socket/mod.rs:674:37
[INFO] [stdout]     |
[INFO] [stdout] 674 |         let mut mhdr: msghdr = mem::uninitialized();
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/sys/socket/mod.rs:922:43
[INFO] [stdout]     |
[INFO] [stdout] 922 |         let addr: sockaddr_storage = mem::uninitialized();
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/sys/socket/mod.rs:938:43
[INFO] [stdout]     |
[INFO] [stdout] 938 |         let addr: sockaddr_storage = mem::uninitialized();
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/sys/socket/mod.rs:550:28
[INFO] [stdout]     |
[INFO] [stdout] 550 |                     ..mem::uninitialized()
[INFO] [stdout]     |                            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/sys/socket/mod.rs:568:28
[INFO] [stdout]     |
[INFO] [stdout] 568 |                     ..mem::uninitialized()
[INFO] [stdout]     |                            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/sys/socket/addr.rs:547:60
[INFO] [stdout]     |
[INFO] [stdout] 547 |         let mut in6_addr_var: libc::in6_addr = unsafe{mem::uninitialized()};
[INFO] [stdout]     |                                                            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]  --> src/sys/socket/sockopt.rs:5:25
[INFO] [stdout]   |
[INFO] [stdout] 5 | use libc::{self, c_int, uint8_t, c_void, socklen_t};
[INFO] [stdout]   |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:388:10
[INFO] [stdout]     |
[INFO] [stdout] 388 |     val: uint8_t,
[INFO] [stdout]     |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:415:10
[INFO] [stdout]     |
[INFO] [stdout] 415 |     val: uint8_t,
[INFO] [stdout]     |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:394:33
[INFO] [stdout]     |
[INFO] [stdout] 394 |             len: mem::size_of::<uint8_t>() as socklen_t,
[INFO] [stdout]     |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:400:31
[INFO] [stdout]     |
[INFO] [stdout] 400 |         &mut self.val as *mut uint8_t as *mut c_void
[INFO] [stdout]     |                               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:408:53
[INFO] [stdout]     |
[INFO] [stdout] 408 |         assert!(self.len as usize == mem::size_of::<uint8_t>(), "invalid getsockopt implementation");
[INFO] [stdout]     |                                                     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:420:30
[INFO] [stdout]     |
[INFO] [stdout] 420 |         SetU8 { val: *val as uint8_t }
[INFO] [stdout]     |                              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:424:29
[INFO] [stdout]     |
[INFO] [stdout] 424 |         &self.val as *const uint8_t as *const c_void
[INFO] [stdout]     |                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/sys/stat.rs:104:33
[INFO] [stdout]     |
[INFO] [stdout] 104 |     let mut dst = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/sys/stat.rs:117:33
[INFO] [stdout]     |
[INFO] [stdout] 117 |     let mut dst = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/sys/stat.rs:130:33
[INFO] [stdout]     |
[INFO] [stdout] 130 |     let mut dst = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/sys/stat.rs:139:33
[INFO] [stdout]     |
[INFO] [stdout] 139 |     let mut dst = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/sys/statvfs.rs:128:38
[INFO] [stdout]     |
[INFO] [stdout] 128 |         let mut stat: Statvfs = mem::uninitialized();
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/sys/statvfs.rs:141:38
[INFO] [stdout]     |
[INFO] [stdout] 141 |         let mut stat: Statvfs = mem::uninitialized();
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/sys/sysinfo.rs:70:49
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let mut info: libc::sysinfo = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]     --> src/sys/termios.rs:1046:52
[INFO] [stdout]      |
[INFO] [stdout] 1046 |     let mut termios: libc::termios = unsafe { mem::uninitialized() };
[INFO] [stdout]      |                                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/sys/termios.rs:254:38
[INFO] [stdout]     |
[INFO] [stdout] 254 |             inner: RefCell::new(mem::uninitialized()),
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/sys/utsname.rs:35:37
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let mut ret: UtsName = mem::uninitialized();
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/ucontext.rs:18:59
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let mut context: libc::ucontext_t = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]     --> src/unistd.rs:1029:40
[INFO] [stdout]      |
[INFO] [stdout] 1029 |         let mut fds: [c_int; 2] = mem::uninitialized();
[INFO] [stdout]      |                                        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]     --> src/unistd.rs:1056:45
[INFO] [stdout]      |
[INFO] [stdout] 1056 |     let mut fds: [c_int; 2] = unsafe { mem::uninitialized() };
[INFO] [stdout]      |                                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sys/aio.rs:105:20
[INFO] [stdout]     |
[INFO] [stdout] 105 |     BoxedSlice(Box<Borrow<[u8]>>),
[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] 105 |     BoxedSlice(Box<dyn Borrow<[u8]>>),
[INFO] [stdout]     |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sys/aio.rs:107:23
[INFO] [stdout]     |
[INFO] [stdout] 107 |     BoxedMutSlice(Box<BorrowMut<[u8]>>),
[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] 107 |     BoxedMutSlice(Box<dyn BorrowMut<[u8]>>),
[INFO] [stdout]     |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sched.rs:39:28
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub type CloneCb<'a> = Box<FnMut() -> isize + 'a>;
[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] 39 | pub type CloneCb<'a> = Box<dyn FnMut() -> isize + 'a>;
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sys/aio.rs:168:49
[INFO] [stdout]     |
[INFO] [stdout] 168 |     pub fn boxed_slice(&mut self) -> Option<Box<Borrow<[u8]>>> {
[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] 168 |     pub fn boxed_slice(&mut self) -> Option<Box<dyn Borrow<[u8]>>> {
[INFO] [stdout]     |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sys/aio.rs:190:53
[INFO] [stdout]     |
[INFO] [stdout] 190 |     pub fn boxed_mut_slice(&mut self) -> Option<Box<BorrowMut<[u8]>>> {
[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] 190 |     pub fn boxed_mut_slice(&mut self) -> Option<Box<dyn BorrowMut<[u8]>>> {
[INFO] [stdout]     |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sys/aio.rs:451:62
[INFO] [stdout]     |
[INFO] [stdout] 451 |     pub fn from_boxed_slice(fd: RawFd, offs: off_t, buf: Box<Borrow<[u8]>>,
[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] 451 |     pub fn from_boxed_slice(fd: RawFd, offs: off_t, buf: Box<dyn Borrow<[u8]>>,
[INFO] [stdout]     |                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sys/aio.rs:519:46
[INFO] [stdout]     |
[INFO] [stdout] 519 | ...                   mut buf: Box<BorrowMut<[u8]>>,
[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] 519 |                                 mut buf: Box<dyn BorrowMut<[u8]>>,
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/macros.rs:197:26
[INFO] [stdout]     |
[INFO] [stdout] 197 |                   $entry = libc::$entry,
[INFO] [stdout]     |                            ^^^^^^^^^^^^ expected `i32`, found `u32`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/sys/resource.rs:6:1
[INFO] [stdout]     |
[INFO] [stdout] 6   | / libc_enum!{
[INFO] [stdout] 7   | |     #[repr(i32)]
[INFO] [stdout] 8   | |     pub enum Resource {
[INFO] [stdout] 9   | |         RLIMIT_AS,
[INFO] [stdout] ...   |
[INFO] [stdout] 35  | |     }
[INFO] [stdout] 36  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `libc_enum` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/macros.rs:197:26
[INFO] [stdout]     |
[INFO] [stdout] 197 |                   $entry = libc::$entry,
[INFO] [stdout]     |                            ^^^^^^^^^^^^ expected `i32`, found `u32`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/sys/resource.rs:6:1
[INFO] [stdout]     |
[INFO] [stdout] 6   | / libc_enum!{
[INFO] [stdout] 7   | |     #[repr(i32)]
[INFO] [stdout] 8   | |     pub enum Resource {
[INFO] [stdout] 9   | |         RLIMIT_AS,
[INFO] [stdout] ...   |
[INFO] [stdout] 35  | |     }
[INFO] [stdout] 36  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `libc_enum` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/macros.rs:197:26
[INFO] [stdout]     |
[INFO] [stdout] 197 |                   $entry = libc::$entry,
[INFO] [stdout]     |                            ^^^^^^^^^^^^ expected `i32`, found `u32`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/sys/resource.rs:6:1
[INFO] [stdout]     |
[INFO] [stdout] 6   | / libc_enum!{
[INFO] [stdout] 7   | |     #[repr(i32)]
[INFO] [stdout] 8   | |     pub enum Resource {
[INFO] [stdout] 9   | |         RLIMIT_AS,
[INFO] [stdout] ...   |
[INFO] [stdout] 35  | |     }
[INFO] [stdout] 36  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `libc_enum` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/macros.rs:197:26
[INFO] [stdout]     |
[INFO] [stdout] 197 |                   $entry = libc::$entry,
[INFO] [stdout]     |                            ^^^^^^^^^^^^ expected `i32`, found `u32`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/sys/resource.rs:6:1
[INFO] [stdout]     |
[INFO] [stdout] 6   | / libc_enum!{
[INFO] [stdout] 7   | |     #[repr(i32)]
[INFO] [stdout] 8   | |     pub enum Resource {
[INFO] [stdout] 9   | |         RLIMIT_AS,
[INFO] [stdout] ...   |
[INFO] [stdout] 35  | |     }
[INFO] [stdout] 36  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `libc_enum` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/macros.rs:197:26
[INFO] [stdout]     |
[INFO] [stdout] 197 |                   $entry = libc::$entry,
[INFO] [stdout]     |                            ^^^^^^^^^^^^ expected `i32`, found `u32`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/sys/resource.rs:6:1
[INFO] [stdout]     |
[INFO] [stdout] 6   | / libc_enum!{
[INFO] [stdout] 7   | |     #[repr(i32)]
[INFO] [stdout] 8   | |     pub enum Resource {
[INFO] [stdout] 9   | |         RLIMIT_AS,
[INFO] [stdout] ...   |
[INFO] [stdout] 35  | |     }
[INFO] [stdout] 36  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `libc_enum` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/macros.rs:197:26
[INFO] [stdout]     |
[INFO] [stdout] 197 |                   $entry = libc::$entry,
[INFO] [stdout]     |                            ^^^^^^^^^^^^ expected `i32`, found `u32`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/sys/resource.rs:6:1
[INFO] [stdout]     |
[INFO] [stdout] 6   | / libc_enum!{
[INFO] [stdout] 7   | |     #[repr(i32)]
[INFO] [stdout] 8   | |     pub enum Resource {
[INFO] [stdout] 9   | |         RLIMIT_AS,
[INFO] [stdout] ...   |
[INFO] [stdout] 35  | |     }
[INFO] [stdout] 36  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `libc_enum` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/macros.rs:197:26
[INFO] [stdout]     |
[INFO] [stdout] 197 |                   $entry = libc::$entry,
[INFO] [stdout]     |                            ^^^^^^^^^^^^ expected `i32`, found `u32`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/sys/resource.rs:6:1
[INFO] [stdout]     |
[INFO] [stdout] 6   | / libc_enum!{
[INFO] [stdout] 7   | |     #[repr(i32)]
[INFO] [stdout] 8   | |     pub enum Resource {
[INFO] [stdout] 9   | |         RLIMIT_AS,
[INFO] [stdout] ...   |
[INFO] [stdout] 35  | |     }
[INFO] [stdout] 36  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `libc_enum` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/macros.rs:56:35
[INFO] [stdout]     |
[INFO] [stdout] 56  |                       const $Flag = libc::$Flag $(as $cast)*;
[INFO] [stdout]     |                                     ^^^^^^^^^^^ expected `i32`, found `u32`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/fcntl.rs:148:1
[INFO] [stdout]     |
[INFO] [stdout] 148 | / libc_bitflags!(
[INFO] [stdout] 149 | |     /// Configuration options for opened files.
[INFO] [stdout] 150 | |     pub struct RenameAt2Flags: c_int {
[INFO] [stdout] 151 | |         RENAME_NOREPLACE;
[INFO] [stdout] ...   |
[INFO] [stdout] 154 | |     }
[INFO] [stdout] 155 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `libc_bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sched.rs:102:71
[INFO] [stdout]     |
[INFO] [stdout] 102 |         libc::clone(mem::transmute(callback as extern "C" fn(*mut Box<::std::ops::FnMut() -> isize>) -> i32),
[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] 102 |         libc::clone(mem::transmute(callback as extern "C" fn(*mut Box<dyn (::std::ops::FnMut() -> isize)>) -> i32),
[INFO] [stdout]     |                                                                       +++++                            +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sys/aio.rs:119:33
[INFO] [stdout]     |
[INFO] [stdout] 119 |                 let borrowed : &Borrow<[u8]> = bs.borrow();
[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] 119 |                 let borrowed : &dyn Borrow<[u8]> = bs.borrow();
[INFO] [stdout]     |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sys/aio.rs:124:33
[INFO] [stdout]     |
[INFO] [stdout] 124 |                 let borrowed : &BorrowMut<[u8]> = bms.borrow();
[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] 124 |                 let borrowed : &dyn BorrowMut<[u8]> = bms.borrow();
[INFO] [stdout]     |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sys/aio.rs:121:40
[INFO] [stdout]     |
[INFO] [stdout] 121 |                     borrowed as *const Borrow<[u8]>)
[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] 121 |                     borrowed as *const dyn Borrow<[u8]>)
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sys/aio.rs:126:40
[INFO] [stdout]     |
[INFO] [stdout] 126 |                     borrowed as *const BorrowMut<[u8]>)
[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] 126 |                     borrowed as *const dyn BorrowMut<[u8]>)
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sys/aio.rs:456:29
[INFO] [stdout]     |
[INFO] [stdout] 456 |             let borrowed : &Borrow<[u8]> = buf.borrow();
[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] 456 |             let borrowed : &dyn Borrow<[u8]> = buf.borrow();
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sys/aio.rs:524:33
[INFO] [stdout]     |
[INFO] [stdout] 524 |             let borrowed : &mut BorrowMut<[u8]> = buf.borrow_mut();
[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] 524 |             let borrowed : &mut dyn BorrowMut<[u8]> = buf.borrow_mut();
[INFO] [stdout]     |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: 8th rule of macro `libc_enum` is never used
[INFO] [stdout]    --> src/macros.rs:204:5
[INFO] [stdout]     |
[INFO] [stdout] 204 | /     (@accumulate_entries
[INFO] [stdout] 205 | |         $prefix:tt,
[INFO] [stdout] 206 | |         [$($entries:tt)*];
[INFO] [stdout] 207 | |         $entry:ident as $ty:ty, $($tail:tt)*
[INFO] [stdout] 208 | |     ) => {
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:13:9
[INFO] [stdout]     |
[INFO] [stdout] 13  | #![deny(unused)]
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     = note: `#[deny(unused_macro_rules)]` implied by `#[deny(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/dirent.rs:6:12
[INFO] [stdout]    |
[INFO] [stdout] 6  | use libc::{self, DIR, c_long};
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate libc;
[INFO] [stdout]    | ---------------------- the item `libc` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(unused_imports)]` implied by `#[deny(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `AsRef` is imported redundantly
[INFO] [stdout]  --> src/dirent.rs:7:20
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::convert::{AsRef, Into};
[INFO] [stdout]   |                    ^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/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] error: the item `Into` is imported redundantly
[INFO] [stdout]  --> src/dirent.rs:7:27
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::convert::{AsRef, Into};
[INFO] [stdout]   |                           ^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Into` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/dirent.rs:84:16
[INFO] [stdout]    |
[INFO] [stdout] 84 |     let dirp = try!(name.with_nix_path(|cstr| unsafe { libc::opendir(cstr.as_ptr()) }));
[INFO] [stdout]    |                ^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:11:24
[INFO] [stdout]    |
[INFO] [stdout] 11 | #![cfg_attr(test, deny(warnings))]
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(deprecated)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/errno.rs:2:5
[INFO] [stdout]    |
[INFO] [stdout] 2  | use libc;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate libc;
[INFO] [stdout]    | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]    --> src/errno.rs:534:9
[INFO] [stdout]     |
[INFO] [stdout] 534 |     use libc;
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:26:1
[INFO] [stdout]     |
[INFO] [stdout] 26  | pub extern crate libc;
[INFO] [stdout]     | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `...` range patterns are deprecated
[INFO] [stdout]   --> src/features.rs:42:21
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 b'0'...b'9' => {
[INFO] [stdout]    |                     ^^^ help: use `..=` for an inclusive range
[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: `#[deny(ellipsis_inclusive_range_patterns)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/fcntl.rs:3:12
[INFO] [stdout]    |
[INFO] [stdout] 3  | use libc::{self, c_int, c_uint, c_char, size_t, ssize_t};
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate libc;
[INFO] [stdout]    | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fcntl.rs:158:14
[INFO] [stdout]     |
[INFO] [stdout] 158 |     let fd = try!(path.with_nix_path(|cstr| {
[INFO] [stdout]     |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fcntl.rs:166:14
[INFO] [stdout]     |
[INFO] [stdout] 166 |     let fd = try!(path.with_nix_path(|cstr| {
[INFO] [stdout]     |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fcntl.rs:186:15
[INFO] [stdout]     |
[INFO] [stdout] 186 |     let res = try!(path.with_nix_path(|cstr| {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fcntl.rs:195:15
[INFO] [stdout]     |
[INFO] [stdout] 195 |     let res = try!(path.with_nix_path(|cstr| {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fcntl.rs:228:15
[INFO] [stdout]     |
[INFO] [stdout] 228 |     let res = try!(try!(oldpath.with_nix_path(|old|
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fcntl.rs:228:20
[INFO] [stdout]     |
[INFO] [stdout] 228 |     let res = try!(try!(oldpath.with_nix_path(|old|
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fcntl.rs:242:15
[INFO] [stdout]     |
[INFO] [stdout] 242 |     let res = try!(try!(oldpath.with_nix_path(|old|
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fcntl.rs:242:20
[INFO] [stdout]     |
[INFO] [stdout] 242 |     let res = try!(try!(oldpath.with_nix_path(|old|
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fcntl.rs:256:15
[INFO] [stdout]     |
[INFO] [stdout] 256 |     let res = try!(try!(oldpath.with_nix_path(|old|
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/fcntl.rs:256:20
[INFO] [stdout]     |
[INFO] [stdout] 256 |     let res = try!(try!(oldpath.with_nix_path(|old|
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> src/ifaddrs.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::iter::Iterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `Option` is imported redundantly
[INFO] [stdout]  --> src/ifaddrs.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::option::Option;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Option` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/ifaddrs.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use libc;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate libc;
[INFO] [stdout]    | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/mount.rs:2:5
[INFO] [stdout]    |
[INFO] [stdout] 2  | use libc;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate libc;
[INFO] [stdout]    | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/mount.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 2  | use libc;
[INFO] [stdout]    |     ---- the item `libc` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 64 |     use libc;
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/mount.rs:66:15
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let res = try!(try!(try!(try!(
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/mount.rs:66:20
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let res = try!(try!(try!(try!(
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/mount.rs:66:25
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let res = try!(try!(try!(try!(
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/mount.rs:66:30
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let res = try!(try!(try!(try!(
[INFO] [stdout]    |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/mount.rs:87:15
[INFO] [stdout]    |
[INFO] [stdout] 87 |     let res = try!(target.with_nix_path(|cstr| {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/mount.rs:95:15
[INFO] [stdout]    |
[INFO] [stdout] 95 |     let res = try!(target.with_nix_path(|cstr| {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/mqueue.rs:8:12
[INFO] [stdout]    |
[INFO] [stdout] 8  | use libc::{self, c_char, c_long, mqd_t, size_t};
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate libc;
[INFO] [stdout]    | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary parentheses around type
[INFO] [stdout]    --> src/mqueue.rs:154:46
[INFO] [stdout]     |
[INFO] [stdout] 154 | pub fn mq_set_nonblock(mqd: mqd_t) -> Result<(MqAttr)> {
[INFO] [stdout]     |                                              ^      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(unused_parens)]` implied by `#[deny(unused)]`
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 154 - pub fn mq_set_nonblock(mqd: mqd_t) -> Result<(MqAttr)> {
[INFO] [stdout] 154 + pub fn mq_set_nonblock(mqd: mqd_t) -> Result<MqAttr> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/mqueue.rs:155:19
[INFO] [stdout]     |
[INFO] [stdout] 155 |     let oldattr = try!(mq_getattr(mqd));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary parentheses around type
[INFO] [stdout]    --> src/mqueue.rs:166:49
[INFO] [stdout]     |
[INFO] [stdout] 166 | pub fn mq_remove_nonblock(mqd: mqd_t) -> Result<(MqAttr)> {
[INFO] [stdout]     |                                                 ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 166 - pub fn mq_remove_nonblock(mqd: mqd_t) -> Result<(MqAttr)> {
[INFO] [stdout] 166 + pub fn mq_remove_nonblock(mqd: mqd_t) -> Result<MqAttr> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/mqueue.rs:167:19
[INFO] [stdout]     |
[INFO] [stdout] 167 |     let oldattr = try!(mq_getattr(mqd));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/net/if_.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | use libc;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate libc;
[INFO] [stdout]    | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/net/if_.rs:12:20
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let if_index = try!(name.with_nix_path(|name| unsafe { libc::if_nametoindex(name.as_ptr()) }));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/poll.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | use libc;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate libc;
[INFO] [stdout]    | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/pty.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout] 3  | use libc;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate libc;
[INFO] [stdout]    | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `Option` is imported redundantly
[INFO] [stdout]  --> src/sched.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::option::Option;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Option` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/sched.rs:4:12
[INFO] [stdout]    |
[INFO] [stdout] 4  | use libc::{self, c_int, c_void};
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate libc;
[INFO] [stdout]    | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/sys/aio.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | use libc;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate libc;
[INFO] [stdout]    | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> src/sys/resource.rs:44:27
[INFO] [stdout]      |
[INFO] [stdout] 44   |         libc::getrlimit64(resource as libc::c_int, &mut rlimit as *mut Rlimit)
[INFO] [stdout]      |         ----------------- ^^^^^^^^^^^^^^^^^^^^^^^ expected `u32`, found `i32`
[INFO] [stdout]      |         |
[INFO] [stdout]      |         arguments to this function are incorrect
[INFO] [stdout]      |
[INFO] [stdout] note: function defined here
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/libc-0.2.153/src/unix/linux_like/linux/gnu/mod.rs:1312:12
[INFO] [stdout]      |
[INFO] [stdout] 1312 |     pub fn getrlimit64(resource: ::__rlimit_resource_t, rlim: *mut ::rlimit64) -> ::c_int;
[INFO] [stdout]      |            ^^^^^^^^^^^
[INFO] [stdout] help: you can convert an `i32` to a `u32` and panic if the converted value doesn't fit
[INFO] [stdout]      |
[INFO] [stdout] 44   |         libc::getrlimit64((resource as libc::c_int).try_into().unwrap(), &mut rlimit as *mut Rlimit)
[INFO] [stdout]      |                           +                       +++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/sys/epoll.rs:3:12
[INFO] [stdout]    |
[INFO] [stdout] 3  | use libc::{self, c_int};
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate libc;
[INFO] [stdout]    | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/sys/eventfd.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout] 1  | use libc;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate libc;
[INFO] [stdout]    | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/sys/memfd.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout] 1  | use libc;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate libc;
[INFO] [stdout]    | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/sys/mman.rs:7:12
[INFO] [stdout]    |
[INFO] [stdout] 7  | use libc::{self, c_int, c_void, size_t, off_t};
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate libc;
[INFO] [stdout]    | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/mman.rs:267:15
[INFO] [stdout]     |
[INFO] [stdout] 267 |     let ret = try!(name.with_nix_path(|cstr| {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/mman.rs:283:15
[INFO] [stdout]     |
[INFO] [stdout] 283 |     let ret = try!(name.with_nix_path(|cstr| {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> src/sys/resource.rs:52:27
[INFO] [stdout]      |
[INFO] [stdout] 52   |         libc::setrlimit64(resource as libc::c_int, rlimit as *const Rlimit)
[INFO] [stdout]      |         ----------------- ^^^^^^^^^^^^^^^^^^^^^^^ expected `u32`, found `i32`
[INFO] [stdout]      |         |
[INFO] [stdout]      |         arguments to this function are incorrect
[INFO] [stdout]      |
[INFO] [stdout] note: function defined here
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/libc-0.2.153/src/unix/linux_like/linux/gnu/mod.rs:1313:12
[INFO] [stdout]      |
[INFO] [stdout] 1313 |     pub fn setrlimit64(resource: ::__rlimit_resource_t, rlim: *const ::rlimit64) -> ::c_int;
[INFO] [stdout]      |            ^^^^^^^^^^^
[INFO] [stdout] help: you can convert an `i32` to a `u32` and panic if the converted value doesn't fit
[INFO] [stdout]      |
[INFO] [stdout] 52   |         libc::setrlimit64((resource as libc::c_int).try_into().unwrap(), rlimit as *const Rlimit)
[INFO] [stdout]      |                           +                       +++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/sys/pthread.rs:1:12
[INFO] [stdout]    |
[INFO] [stdout] 1  | use libc::{self, pthread_t};
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate libc;
[INFO] [stdout]    | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/sys/ptrace.rs:6:12
[INFO] [stdout]    |
[INFO] [stdout] 6  | use libc::{self, c_void, c_long, siginfo_t};
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate libc;
[INFO] [stdout]    | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `ptr` is imported redundantly
[INFO] [stdout]    --> src/sys/ptrace.rs:216:9
[INFO] [stdout]     |
[INFO] [stdout] 3   | use std::{mem, ptr};
[INFO] [stdout]     |                --- the item `ptr` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 216 |     use std::ptr;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/sys/quota.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | use libc::{self, c_int, c_char};
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate libc;
[INFO] [stdout]    | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/quota.rs:234:19
[INFO] [stdout]     |
[INFO] [stdout] 234 |         let res = try!(
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/quota.rs:247:5
[INFO] [stdout]     |
[INFO] [stdout] 247 |     try!(quota_file.with_nix_path(|path| {
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/sys/reboot.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout] 5  | use libc;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate libc;
[INFO] [stdout]    | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `drop` is imported redundantly
[INFO] [stdout]  --> src/sys/reboot.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::mem::drop;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `drop` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/sys/resource.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout] 3  | use libc;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate libc;
[INFO] [stdout]    | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/sys/select.rs:4:12
[INFO] [stdout]    |
[INFO] [stdout] 4  | use libc::{self, c_int};
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate libc;
[INFO] [stdout]    | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `RawFd` is imported redundantly
[INFO] [stdout]    --> src/sys/select.rs:210:9
[INFO] [stdout]     |
[INFO] [stdout] 209 |     use super::*;
[INFO] [stdout]     |         -------- the item `RawFd` is already imported here
[INFO] [stdout] 210 |     use std::os::unix::io::RawFd;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `TimeVal` is imported redundantly
[INFO] [stdout]    --> src/sys/select.rs:211:21
[INFO] [stdout]     |
[INFO] [stdout] 209 |     use super::*;
[INFO] [stdout]     |         -------- the item `TimeVal` is already imported here
[INFO] [stdout] 210 |     use std::os::unix::io::RawFd;
[INFO] [stdout] 211 |     use sys::time::{TimeVal, TimeValLike};
[INFO] [stdout]     |                     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/sys/sendfile.rs:4:12
[INFO] [stdout]    |
[INFO] [stdout] 4  | use libc::{self, off_t};
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate libc;
[INFO] [stdout]    | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/sys/signal.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | use libc;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate libc;
[INFO] [stdout]    | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/signal.rs:316:9
[INFO] [stdout]     |
[INFO] [stdout] 316 |         try!(pthread_sigmask(SigmaskHow::SIG_SETMASK, None, Some(&mut oldmask)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/signal.rs:338:9
[INFO] [stdout]     |
[INFO] [stdout] 338 |         try!(pthread_sigmask(how, Some(self), Some(&mut oldmask)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]    --> src/sys/signal.rs:551:9
[INFO] [stdout]     |
[INFO] [stdout] 551 |     use libc;
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:26:1
[INFO] [stdout]     |
[INFO] [stdout] 26  | pub extern crate libc;
[INFO] [stdout]     | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/sys/signalfd.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use libc;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate libc;
[INFO] [stdout]    | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sys/signalfd.rs:91:18
[INFO] [stdout]    |
[INFO] [stdout] 91 |         let fd = try!(signalfd(SIGNALFD_NEW, mask, flags));
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `mem` is imported redundantly
[INFO] [stdout]    --> src/sys/signalfd.rs:139:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |     use super::*;
[INFO] [stdout]     |         -------- the item `mem` is already imported here
[INFO] [stdout] 139 |     use std::mem;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]    --> src/sys/signalfd.rs:140:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |     use super::*;
[INFO] [stdout]     |         -------- the item `libc` is already imported here
[INFO] [stdout] 139 |     use std::mem;
[INFO] [stdout] 140 |     use libc;
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/sys/socket/mod.rs:6:12
[INFO] [stdout]    |
[INFO] [stdout] 6  | use libc::{self, c_void, c_int, socklen_t, size_t};
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate libc;
[INFO] [stdout]    | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket/addr.rs:600:9
[INFO] [stdout]     |
[INFO] [stdout] 600 |         try!(path.with_nix_path(|cstr| {
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket/addr.rs:759:27
[INFO] [stdout]     |
[INFO] [stdout] 759 |         Ok(SockAddr::Unix(try!(UnixAddr::new(path))))
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]     --> src/sys/socket/addr.rs:1115:17
[INFO] [stdout]      |
[INFO] [stdout] 1115 |     use super::{libc, hash, fmt, AddressFamily};
[INFO] [stdout]      |                 ^^^^
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/lib.rs:26:1
[INFO] [stdout]      |
[INFO] [stdout] 26   | pub extern crate libc;
[INFO] [stdout]      | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/sys/socket/sockopt.rs:5:12
[INFO] [stdout]    |
[INFO] [stdout] 5  | use libc::{self, c_int, uint8_t, c_void, socklen_t};
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate libc;
[INFO] [stdout]    | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: 4th rule of macro `sockopt_impl` is never used
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:131:5
[INFO] [stdout]     |
[INFO] [stdout] 131 |     (SetOnly, $name:ident, $level:path, $flag:path, bool) => {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: 3rd rule of macro `sockopt_impl` is never used
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:127:5
[INFO] [stdout]     |
[INFO] [stdout] 127 |     (GetOnly, $name:ident, $level:path, $flag:path, usize) => {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: 2nd rule of macro `sockopt_impl` is never used
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:123:5
[INFO] [stdout]     |
[INFO] [stdout] 123 |     (GetOnly, $name:ident, $level:path, $flag:path, u8) => {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: 5th rule of macro `sockopt_impl` is never used
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:135:5
[INFO] [stdout]     |
[INFO] [stdout] 135 |     (SetOnly, $name:ident, $level:path, $flag:path, u8) => {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:84:21
[INFO] [stdout]     |
[INFO] [stdout] 84  |                     try!(Errno::result(res));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 200 | sockopt_impl!(Both, ReuseAddr, libc::SOL_SOCKET, libc::SO_REUSEADDR, bool);
[INFO] [stdout]     | -------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `getsockopt_impl` which comes from the expansion of the macro `sockopt_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:84:21
[INFO] [stdout]     |
[INFO] [stdout] 84  |                     try!(Errno::result(res));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 201 | sockopt_impl!(Both, ReusePort, libc::SOL_SOCKET, libc::SO_REUSEPORT, bool);
[INFO] [stdout]     | -------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `getsockopt_impl` which comes from the expansion of the macro `sockopt_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:84:21
[INFO] [stdout]     |
[INFO] [stdout] 84  |                     try!(Errno::result(res));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 202 | sockopt_impl!(Both, TcpNoDelay, libc::IPPROTO_TCP, libc::TCP_NODELAY, bool);
[INFO] [stdout]     | --------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `getsockopt_impl` which comes from the expansion of the macro `sockopt_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:84:21
[INFO] [stdout]     |
[INFO] [stdout] 84  |                     try!(Errno::result(res));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 203 | sockopt_impl!(Both, Linger, libc::SOL_SOCKET, libc::SO_LINGER, libc::linger);
[INFO] [stdout]     | ---------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `getsockopt_impl` which comes from the expansion of the macro `sockopt_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:84:21
[INFO] [stdout]     |
[INFO] [stdout] 84  |                     try!(Errno::result(res));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 220 | sockopt_impl!(Both, IpMulticastTtl, libc::IPPROTO_IP, libc::IP_MULTICAST_TTL, u8);
[INFO] [stdout]     | --------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `getsockopt_impl` which comes from the expansion of the macro `sockopt_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:84:21
[INFO] [stdout]     |
[INFO] [stdout] 84  |                     try!(Errno::result(res));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 221 | sockopt_impl!(Both, IpMulticastLoop, libc::IPPROTO_IP, libc::IP_MULTICAST_LOOP, bool);
[INFO] [stdout]     | ------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `getsockopt_impl` which comes from the expansion of the macro `sockopt_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:84:21
[INFO] [stdout]     |
[INFO] [stdout] 84  |                     try!(Errno::result(res));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 222 | sockopt_impl!(Both, ReceiveTimeout, libc::SOL_SOCKET, libc::SO_RCVTIMEO, TimeVal);
[INFO] [stdout]     | --------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `getsockopt_impl` which comes from the expansion of the macro `sockopt_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:84:21
[INFO] [stdout]     |
[INFO] [stdout] 84  |                     try!(Errno::result(res));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 223 | sockopt_impl!(Both, SendTimeout, libc::SOL_SOCKET, libc::SO_SNDTIMEO, TimeVal);
[INFO] [stdout]     | ------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `getsockopt_impl` which comes from the expansion of the macro `sockopt_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:84:21
[INFO] [stdout]     |
[INFO] [stdout] 84  |                     try!(Errno::result(res));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 224 | sockopt_impl!(Both, Broadcast, libc::SOL_SOCKET, libc::SO_BROADCAST, bool);
[INFO] [stdout]     | -------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `getsockopt_impl` which comes from the expansion of the macro `sockopt_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:84:21
[INFO] [stdout]     |
[INFO] [stdout] 84  |                     try!(Errno::result(res));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 225 | sockopt_impl!(Both, OobInline, libc::SOL_SOCKET, libc::SO_OOBINLINE, bool);
[INFO] [stdout]     | -------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `getsockopt_impl` which comes from the expansion of the macro `sockopt_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:84:21
[INFO] [stdout]     |
[INFO] [stdout] 84  |                     try!(Errno::result(res));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 226 | sockopt_impl!(GetOnly, SocketError, libc::SOL_SOCKET, libc::SO_ERROR, i32);
[INFO] [stdout]     | -------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `getsockopt_impl` which comes from the expansion of the macro `sockopt_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:84:21
[INFO] [stdout]     |
[INFO] [stdout] 84  |                     try!(Errno::result(res));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 227 | sockopt_impl!(Both, KeepAlive, libc::SOL_SOCKET, libc::SO_KEEPALIVE, bool);
[INFO] [stdout]     | -------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `getsockopt_impl` which comes from the expansion of the macro `sockopt_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:84:21
[INFO] [stdout]     |
[INFO] [stdout] 84  |                     try!(Errno::result(res));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 229 | sockopt_impl!(GetOnly, PeerCredentials, libc::SOL_SOCKET, libc::SO_PEERCRED, super::UnixCredentials);
[INFO] [stdout]     | ---------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `getsockopt_impl` which comes from the expansion of the macro `sockopt_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:84:21
[INFO] [stdout]     |
[INFO] [stdout] 84  |                     try!(Errno::result(res));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 238 | sockopt_impl!(Both, TcpKeepIdle, libc::IPPROTO_TCP, libc::TCP_KEEPIDLE, u32);
[INFO] [stdout]     | ---------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `getsockopt_impl` which comes from the expansion of the macro `sockopt_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:84:21
[INFO] [stdout]     |
[INFO] [stdout] 84  |                     try!(Errno::result(res));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 239 | sockopt_impl!(Both, RcvBuf, libc::SOL_SOCKET, libc::SO_RCVBUF, usize);
[INFO] [stdout]     | --------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `getsockopt_impl` which comes from the expansion of the macro `sockopt_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:84:21
[INFO] [stdout]     |
[INFO] [stdout] 84  |                     try!(Errno::result(res));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 240 | sockopt_impl!(Both, SndBuf, libc::SOL_SOCKET, libc::SO_SNDBUF, usize);
[INFO] [stdout]     | --------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `getsockopt_impl` which comes from the expansion of the macro `sockopt_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:84:21
[INFO] [stdout]     |
[INFO] [stdout] 84  |                     try!(Errno::result(res));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 245 | sockopt_impl!(GetOnly, SockType, libc::SOL_SOCKET, libc::SO_TYPE, super::SockType);
[INFO] [stdout]     | ---------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `getsockopt_impl` which comes from the expansion of the macro `sockopt_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:84:21
[INFO] [stdout]     |
[INFO] [stdout] 84  |                     try!(Errno::result(res));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 246 | sockopt_impl!(GetOnly, AcceptConn, libc::SOL_SOCKET, libc::SO_ACCEPTCONN, bool);
[INFO] [stdout]     | ------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `getsockopt_impl` which comes from the expansion of the macro `sockopt_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:84:21
[INFO] [stdout]     |
[INFO] [stdout] 84  |                     try!(Errno::result(res));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 248 | sockopt_impl!(GetOnly, OriginalDst, libc::SOL_IP, libc::SO_ORIGINAL_DST, libc::sockaddr_in);
[INFO] [stdout]     | ------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `getsockopt_impl` which comes from the expansion of the macro `sockopt_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:84:21
[INFO] [stdout]     |
[INFO] [stdout] 84  |                     try!(Errno::result(res));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 249 | sockopt_impl!(Both, ReceiveTimestamp, libc::SOL_SOCKET, libc::SO_TIMESTAMP, bool);
[INFO] [stdout]     | --------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `getsockopt_impl` which comes from the expansion of the macro `sockopt_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:84:21
[INFO] [stdout]     |
[INFO] [stdout] 84  |                     try!(Errno::result(res));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 251 | sockopt_impl!(Both, IpTransparent, libc::SOL_IP, libc::IP_TRANSPARENT, bool);
[INFO] [stdout]     | ---------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `getsockopt_impl` which comes from the expansion of the macro `sockopt_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:84:21
[INFO] [stdout]     |
[INFO] [stdout] 84  |                     try!(Errno::result(res));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 257 | sockopt_impl!(Both, Mark, libc::SOL_SOCKET, libc::SO_MARK, u32);
[INFO] [stdout]     | --------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `getsockopt_impl` which comes from the expansion of the macro `sockopt_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket/mod.rs:687:16
[INFO] [stdout]     |
[INFO] [stdout] 687 |         bytes: try!(Errno::result(ret)) as usize,
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket/mod.rs:827:19
[INFO] [stdout]     |
[INFO] [stdout] 827 |         let ret = try!(Errno::result(libc::recvfrom(
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket/mod.rs:927:9
[INFO] [stdout]     |
[INFO] [stdout] 927 |         try!(Errno::result(ret));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket/mod.rs:943:9
[INFO] [stdout]     |
[INFO] [stdout] 943 |         try!(Errno::result(ret));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/sys/stat.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | use libc::{self, mode_t};
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate libc;
[INFO] [stdout]    | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sys/stat.rs:56:15
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let res = try!(path.with_nix_path(|cstr| {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sys/stat.rs:69:15
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let res = try!(path.with_nix_path(|cstr| {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/stat.rs:111:5
[INFO] [stdout]     |
[INFO] [stdout] 111 |     try!(Errno::result(res));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/stat.rs:105:15
[INFO] [stdout]     |
[INFO] [stdout] 105 |     let res = try!(path.with_nix_path(|cstr| {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/stat.rs:124:5
[INFO] [stdout]     |
[INFO] [stdout] 124 |     try!(Errno::result(res));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/stat.rs:118:15
[INFO] [stdout]     |
[INFO] [stdout] 118 |     let res = try!(path.with_nix_path(|cstr| {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/stat.rs:133:5
[INFO] [stdout]     |
[INFO] [stdout] 133 |     try!(Errno::result(res));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/stat.rs:144:5
[INFO] [stdout]     |
[INFO] [stdout] 144 |     try!(Errno::result(res));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/stat.rs:140:15
[INFO] [stdout]     |
[INFO] [stdout] 140 |     let res = try!(pathname.with_nix_path(|cstr| {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]    --> src/sys/stat.rs:215:9
[INFO] [stdout]     |
[INFO] [stdout] 215 |     use libc;
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:26:1
[INFO] [stdout]     |
[INFO] [stdout] 26  | pub extern crate libc;
[INFO] [stdout]     | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/stat.rs:254:19
[INFO] [stdout]     |
[INFO] [stdout] 254 |         let res = try!(pathname.with_nix_path(|cstr| {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/sys/statfs.rs:4:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | use libc;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate libc;
[INFO] [stdout]    | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]  --> src/sys/statfs.rs:9:19
[INFO] [stdout]   |
[INFO] [stdout] 9 |         let res = try!(
[INFO] [stdout]   |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/sys/statvfs.rs:8:12
[INFO] [stdout]    |
[INFO] [stdout] 8  | use libc::{self, c_ulong};
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate libc;
[INFO] [stdout]    | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/statvfs.rs:129:19
[INFO] [stdout]     |
[INFO] [stdout] 129 |         let res = try!(
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/sys/sysinfo.rs:1:12
[INFO] [stdout]    |
[INFO] [stdout] 1  | use libc::{self, SI_LOAD_SHIFT};
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate libc;
[INFO] [stdout]    | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/sys/prctl.rs:1:12
[INFO] [stdout]    |
[INFO] [stdout] 1  | use libc::{self, c_ulong, c_int};
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate libc;
[INFO] [stdout]    | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]    --> src/sys/termios.rs:166:12
[INFO] [stdout]     |
[INFO] [stdout] 166 | use libc::{self, c_int, tcflag_t};
[INFO] [stdout]     |            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:26:1
[INFO] [stdout]     |
[INFO] [stdout] 26  | pub extern crate libc;
[INFO] [stdout]     | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `From` is imported redundantly
[INFO] [stdout]    --> src/sys/termios.rs:168:5
[INFO] [stdout]     |
[INFO] [stdout] 168 | use std::convert::From;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]     |
[INFO] [stdout]     = note: the item `From` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/sys/termios.rs:1050:5
[INFO] [stdout]      |
[INFO] [stdout] 1050 |     try!(Errno::result(res));
[INFO] [stdout]      |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/time.rs:237:9
[INFO] [stdout]     |
[INFO] [stdout] 237 |         try!(write!(f, "{}", sign));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/time.rs:241:17
[INFO] [stdout]     |
[INFO] [stdout] 241 |                 try!(write!(f, "{} second", sec));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/time.rs:243:17
[INFO] [stdout]     |
[INFO] [stdout] 243 |                 try!(write!(f, "{} seconds", sec));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/time.rs:246:13
[INFO] [stdout]     |
[INFO] [stdout] 246 |             try!(write!(f, "{}.{:03} seconds", sec, abs.tv_nsec() / 1_000_000));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/time.rs:248:13
[INFO] [stdout]     |
[INFO] [stdout] 248 |             try!(write!(f, "{}.{:06} seconds", sec, abs.tv_nsec() / 1_000));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/time.rs:250:13
[INFO] [stdout]     |
[INFO] [stdout] 250 |             try!(write!(f, "{}.{:09} seconds", sec, abs.tv_nsec()));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/time.rs:451:9
[INFO] [stdout]     |
[INFO] [stdout] 451 |         try!(write!(f, "{}", sign));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/time.rs:455:17
[INFO] [stdout]     |
[INFO] [stdout] 455 |                 try!(write!(f, "{} second", sec));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/time.rs:457:17
[INFO] [stdout]     |
[INFO] [stdout] 457 |                 try!(write!(f, "{} seconds", sec));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/time.rs:460:13
[INFO] [stdout]     |
[INFO] [stdout] 460 |             try!(write!(f, "{}.{:03} seconds", sec, abs.tv_usec() / 1000));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/time.rs:462:13
[INFO] [stdout]     |
[INFO] [stdout] 462 |             try!(write!(f, "{}.{:06} seconds", sec, abs.tv_usec()));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/sys/uio.rs:6:12
[INFO] [stdout]    |
[INFO] [stdout] 6  | use libc::{self, c_int, c_void, size_t, off_t};
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate libc;
[INFO] [stdout]    | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/sys/utsname.rs:2:12
[INFO] [stdout]    |
[INFO] [stdout] 2  | use libc::{self, c_char};
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate libc;
[INFO] [stdout]    | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/sys/wait.rs:1:12
[INFO] [stdout]    |
[INFO] [stdout] 1  | use libc::{self, c_int};
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate libc;
[INFO] [stdout]    | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/wait.rs:184:39
[INFO] [stdout]     |
[INFO] [stdout] 184 |             WaitStatus::Signaled(pid, try!(term_signal(status)), dumped_core(status))
[INFO] [stdout]     |                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/wait.rs:193:54
[INFO] [stdout]     |
[INFO] [stdout] 193 | ...                   WaitStatus::Stopped(pid, try!(stop_signal(status)))
[INFO] [stdout]     |                                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/wait.rs:195:58
[INFO] [stdout]     |
[INFO] [stdout] 195 | ...                   WaitStatus::PtraceEvent(pid, try!(stop_signal(status)), stop_additional(status))
[INFO] [stdout]     |                                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/wait.rs:230:11
[INFO] [stdout]     |
[INFO] [stdout] 230 |     match try!(Errno::result(res)) {
[INFO] [stdout]     |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/sys/xattr.rs:1:12
[INFO] [stdout]    |
[INFO] [stdout] 1  | use libc::{self, c_int};
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate libc;
[INFO] [stdout]    | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sys/xattr.rs:11:15
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let res = try!(try!(unsafe {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sys/xattr.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let res = try!(try!(unsafe {
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sys/xattr.rs:27:15
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let res = try!(unsafe {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sys/xattr.rs:45:15
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let res = try!(try!(unsafe {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sys/xattr.rs:45:20
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let res = try!(try!(unsafe {
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sys/xattr.rs:61:15
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let res = try!(unsafe {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sys/xattr.rs:75:15
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let res = try!(unsafe {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sys/xattr.rs:89:15
[INFO] [stdout]    |
[INFO] [stdout] 89 |     let res = try!(try!(unsafe {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sys/xattr.rs:89:20
[INFO] [stdout]    |
[INFO] [stdout] 89 |     let res = try!(try!(unsafe {
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/xattr.rs:111:15
[INFO] [stdout]     |
[INFO] [stdout] 111 |     let res = try!(try!(unsafe {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/xattr.rs:111:20
[INFO] [stdout]     |
[INFO] [stdout] 111 |     let res = try!(try!(unsafe {
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/xattr.rs:128:15
[INFO] [stdout]     |
[INFO] [stdout] 128 |     let res = try!(unsafe {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/xattr.rs:142:15
[INFO] [stdout]     |
[INFO] [stdout] 142 |     let res = try!(try!(unsafe {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/xattr.rs:142:20
[INFO] [stdout]     |
[INFO] [stdout] 142 |     let res = try!(try!(unsafe {
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/xattr.rs:151:15
[INFO] [stdout]     |
[INFO] [stdout] 151 |     let res = try!(unsafe {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/xattr.rs:158:15
[INFO] [stdout]     |
[INFO] [stdout] 158 |     let res = try!(try!(unsafe {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/xattr.rs:158:20
[INFO] [stdout]     |
[INFO] [stdout] 158 |     let res = try!(try!(unsafe {
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/ucontext.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout] 1  | use libc;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate libc;
[INFO] [stdout]    | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/unistd.rs:7:12
[INFO] [stdout]    |
[INFO] [stdout] 7  | use libc::{self, c_char, c_void, c_int, c_long, c_uint, size_t, pid_t,
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate libc;
[INFO] [stdout]    | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/unistd.rs:387:14
[INFO] [stdout]     |
[INFO] [stdout] 387 |     let fd = try!(dup2(oldfd, newfd));
[INFO] [stdout]     |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/unistd.rs:406:15
[INFO] [stdout]     |
[INFO] [stdout] 406 |     let res = try!(path.with_nix_path(|cstr| {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/unistd.rs:459:15
[INFO] [stdout]     |
[INFO] [stdout] 459 |     let res = try!(path.with_nix_path(|cstr| {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/unistd.rs:502:15
[INFO] [stdout]     |
[INFO] [stdout] 502 |     let res = try!(path.with_nix_path(|cstr| {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/unistd.rs:512:15
[INFO] [stdout]     |
[INFO] [stdout] 512 |     let res = try!(pathname.with_nix_path(|cstr| {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/unistd.rs:590:15
[INFO] [stdout]     |
[INFO] [stdout] 590 |     let res = try!(path.with_nix_path(|cstr| {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/unistd.rs:604:15
[INFO] [stdout]     |
[INFO] [stdout] 604 |     let res = try!(path.with_nix_path(|cstr| {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/unistd.rs:634:15
[INFO] [stdout]     |
[INFO] [stdout] 634 |     let res = try!(pathname.with_nix_path(|cstr| {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/unistd.rs:964:15
[INFO] [stdout]     |
[INFO] [stdout] 964 |     let res = try!(try!(oldpath.with_nix_path(|old|
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/unistd.rs:964:20
[INFO] [stdout]     |
[INFO] [stdout] 964 |     let res = try!(try!(oldpath.with_nix_path(|old|
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/unistd.rs:979:15
[INFO] [stdout]     |
[INFO] [stdout] 979 |     let res = try!(try!(oldpath.with_nix_path(|old|
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/unistd.rs:979:20
[INFO] [stdout]     |
[INFO] [stdout] 979 |     let res = try!(try!(oldpath.with_nix_path(|old|
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/unistd.rs:995:15
[INFO] [stdout]     |
[INFO] [stdout] 995 |     let res = try!(try!(target.with_nix_path(|t|
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/unistd.rs:995:20
[INFO] [stdout]     |
[INFO] [stdout] 995 |     let res = try!(try!(target.with_nix_path(|t|
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/unistd.rs:1011:15
[INFO] [stdout]      |
[INFO] [stdout] 1011 |     let res = try!(try!(target.with_nix_path(|t|
[INFO] [stdout]      |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/unistd.rs:1011:20
[INFO] [stdout]      |
[INFO] [stdout] 1011 |     let res = try!(try!(target.with_nix_path(|t|
[INFO] [stdout]      |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/unistd.rs:1033:9
[INFO] [stdout]      |
[INFO] [stdout] 1033 |         try!(Errno::result(res));
[INFO] [stdout]      |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/unistd.rs:1060:5
[INFO] [stdout]      |
[INFO] [stdout] 1060 |     try!(Errno::result(res));
[INFO] [stdout]      |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]     --> src/unistd.rs:1127:9
[INFO] [stdout]      |
[INFO] [stdout] 7    | use libc::{self, c_char, c_void, c_int, c_long, c_uint, size_t, pid_t,
[INFO] [stdout]      |            ---- the item `libc` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 1127 |     use libc;
[INFO] [stdout]      |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/unistd.rs:1147:15
[INFO] [stdout]      |
[INFO] [stdout] 1147 |     let res = try!(path.with_nix_path(|cstr| {
[INFO] [stdout]      |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/unistd.rs:1158:15
[INFO] [stdout]      |
[INFO] [stdout] 1158 |     let res = try!(pathname.with_nix_path(|cstr| {
[INFO] [stdout]      |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/unistd.rs:1169:15
[INFO] [stdout]      |
[INFO] [stdout] 1169 |     let res = try!(pathname.with_nix_path(|cstr| {
[INFO] [stdout]      |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/unistd.rs:1178:15
[INFO] [stdout]      |
[INFO] [stdout] 1178 |     let res = try!(pathname.with_nix_path(|cstr| {
[INFO] [stdout]      |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/unistd.rs:1186:15
[INFO] [stdout]      |
[INFO] [stdout] 1186 |     let res = try!(path.with_nix_path(|cstr| {
[INFO] [stdout]      |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]     --> src/unistd.rs:1563:9
[INFO] [stdout]      |
[INFO] [stdout] 1563 |     use libc;
[INFO] [stdout]      |         ^^^^
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/lib.rs:26:1
[INFO] [stdout]      |
[INFO] [stdout] 26   | pub extern crate libc;
[INFO] [stdout]      | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/unistd.rs:1632:5
[INFO] [stdout]      |
[INFO] [stdout] 1632 |     try!(Errno::result(fd));
[INFO] [stdout]      |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/unistd.rs:1626:20
[INFO] [stdout]      |
[INFO] [stdout] 1626 |     let mut path = try!(template.with_nix_path(|path| {path.to_bytes_with_nul().to_owned()}));
[INFO] [stdout]      |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/unistd.rs:1793:15
[INFO] [stdout]      |
[INFO] [stdout] 1793 |     let raw = try!(path.with_nix_path(|cstr| {
[INFO] [stdout]      |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]     --> src/unistd.rs:2254:9
[INFO] [stdout]      |
[INFO] [stdout] 2254 |     use libc;
[INFO] [stdout]      |         ^^^^
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/lib.rs:26:1
[INFO] [stdout]      |
[INFO] [stdout] 26   | pub extern crate libc;
[INFO] [stdout]      | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/unistd.rs:2260:19
[INFO] [stdout]      |
[INFO] [stdout] 2260 |         let res = try!(try!(new_root.with_nix_path(|new_root| {
[INFO] [stdout]      |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/unistd.rs:2260:24
[INFO] [stdout]      |
[INFO] [stdout] 2260 |         let res = try!(try!(new_root.with_nix_path(|new_root| {
[INFO] [stdout]      |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]     --> src/unistd.rs:2275:9
[INFO] [stdout]      |
[INFO] [stdout] 2275 |     use libc;
[INFO] [stdout]      |         ^^^^
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/lib.rs:26:1
[INFO] [stdout]      |
[INFO] [stdout] 26   | pub extern crate libc;
[INFO] [stdout]      | ---------------------- the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/ifaddrs.rs:128:55
[INFO] [stdout]     |
[INFO] [stdout] 128 |     let mut addrs: *mut libc::ifaddrs = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/mqueue.rs:135:34
[INFO] [stdout]     |
[INFO] [stdout] 135 |     let mut attr = unsafe { mem::uninitialized::<libc::mq_attr>() };
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/mqueue.rs:146:34
[INFO] [stdout]     |
[INFO] [stdout] 146 |     let mut attr = unsafe { mem::uninitialized::<libc::mq_attr>() };
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/mqueue.rs:54:38
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let mut attr = unsafe { mem::uninitialized::<libc::mq_attr>() };
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/pty.rs:216:48
[INFO] [stdout]     |
[INFO] [stdout] 216 |     let mut slave: libc::c_int = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/pty.rs:217:49
[INFO] [stdout]     |
[INFO] [stdout] 217 |     let mut master: libc::c_int = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/sys/ptrace.rs:199:33
[INFO] [stdout]     |
[INFO] [stdout] 199 |     let data: T = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/sys/quota.rs:266:35
[INFO] [stdout]     |
[INFO] [stdout] 266 |     let mut dqblk = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/sys/resource.rs:42:36
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let mut rlimit = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/sys/select.rs:20:39
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let mut fdset = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/sys/signal.rs:437:27
[INFO] [stdout]     |
[INFO] [stdout] 437 |     let mut oldact = mem::uninitialized::<libc::sigaction>();
[INFO] [stdout]     |                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/sys/signal.rs:270:56
[INFO] [stdout]     |
[INFO] [stdout] 270 |         let mut sigset: libc::sigset_t = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/sys/signal.rs:277:56
[INFO] [stdout]     |
[INFO] [stdout] 277 |         let mut sigset: libc::sigset_t = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/sys/signal.rs:315:49
[INFO] [stdout]     |
[INFO] [stdout] 315 |         let mut oldmask: SigSet = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/sys/signal.rs:337:49
[INFO] [stdout]     |
[INFO] [stdout] 337 |         let mut oldmask: SigSet = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/sys/signal.rs:345:53
[INFO] [stdout]     |
[INFO] [stdout] 345 |         let mut signum: libc::c_int = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/sys/signal.rs:387:35
[INFO] [stdout]     |
[INFO] [stdout] 387 |         let mut s = unsafe { mem::uninitialized::<libc::sigaction>() };
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/sys/signalfd.rs:101:69
[INFO] [stdout]     |
[INFO] [stdout] 101 |         let mut buffer: [u8; SIGNALFD_SIGINFO_SIZE] = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                                                     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/sys/socket/mod.rs:638:37
[INFO] [stdout]     |
[INFO] [stdout] 638 |         let mut mhdr: msghdr = mem::uninitialized();
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/sys/socket/mod.rs:657:55
[INFO] [stdout]     |
[INFO] [stdout] 657 |     let mut address: sockaddr_storage = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/sys/socket/mod.rs:674:37
[INFO] [stdout]     |
[INFO] [stdout] 674 |         let mut mhdr: msghdr = mem::uninitialized();
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/sys/socket/mod.rs:922:43
[INFO] [stdout]     |
[INFO] [stdout] 922 |         let addr: sockaddr_storage = mem::uninitialized();
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/sys/socket/mod.rs:938:43
[INFO] [stdout]     |
[INFO] [stdout] 938 |         let addr: sockaddr_storage = mem::uninitialized();
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/sys/socket/mod.rs:550:28
[INFO] [stdout]     |
[INFO] [stdout] 550 |                     ..mem::uninitialized()
[INFO] [stdout]     |                            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/sys/socket/mod.rs:568:28
[INFO] [stdout]     |
[INFO] [stdout] 568 |                     ..mem::uninitialized()
[INFO] [stdout]     |                            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/sys/socket/addr.rs:547:60
[INFO] [stdout]     |
[INFO] [stdout] 547 |         let mut in6_addr_var: libc::in6_addr = unsafe{mem::uninitialized()};
[INFO] [stdout]     |                                                            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]  --> src/sys/socket/sockopt.rs:5:25
[INFO] [stdout]   |
[INFO] [stdout] 5 | use libc::{self, c_int, uint8_t, c_void, socklen_t};
[INFO] [stdout]   |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:388:10
[INFO] [stdout]     |
[INFO] [stdout] 388 |     val: uint8_t,
[INFO] [stdout]     |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:415:10
[INFO] [stdout]     |
[INFO] [stdout] 415 |     val: uint8_t,
[INFO] [stdout]     |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:394:33
[INFO] [stdout]     |
[INFO] [stdout] 394 |             len: mem::size_of::<uint8_t>() as socklen_t,
[INFO] [stdout]     |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:400:31
[INFO] [stdout]     |
[INFO] [stdout] 400 |         &mut self.val as *mut uint8_t as *mut c_void
[INFO] [stdout]     |                               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:408:53
[INFO] [stdout]     |
[INFO] [stdout] 408 |         assert!(self.len as usize == mem::size_of::<uint8_t>(), "invalid getsockopt implementation");
[INFO] [stdout]     |                                                     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:420:30
[INFO] [stdout]     |
[INFO] [stdout] 420 |         SetU8 { val: *val as uint8_t }
[INFO] [stdout]     |                              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated type alias `libc::uint8_t`: Use u8 instead.
[INFO] [stdout]    --> src/sys/socket/sockopt.rs:424:29
[INFO] [stdout]     |
[INFO] [stdout] 424 |         &self.val as *const uint8_t as *const c_void
[INFO] [stdout]     |                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/sys/stat.rs:104:33
[INFO] [stdout]     |
[INFO] [stdout] 104 |     let mut dst = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/sys/stat.rs:117:33
[INFO] [stdout]     |
[INFO] [stdout] 117 |     let mut dst = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/sys/stat.rs:130:33
[INFO] [stdout]     |
[INFO] [stdout] 130 |     let mut dst = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/sys/stat.rs:139:33
[INFO] [stdout]     |
[INFO] [stdout] 139 |     let mut dst = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/sys/statvfs.rs:128:38
[INFO] [stdout]     |
[INFO] [stdout] 128 |         let mut stat: Statvfs = mem::uninitialized();
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/sys/statvfs.rs:141:38
[INFO] [stdout]     |
[INFO] [stdout] 141 |         let mut stat: Statvfs = mem::uninitialized();
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/sys/sysinfo.rs:70:49
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let mut info: libc::sysinfo = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]     --> src/sys/termios.rs:1046:52
[INFO] [stdout]      |
[INFO] [stdout] 1046 |     let mut termios: libc::termios = unsafe { mem::uninitialized() };
[INFO] [stdout]      |                                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/sys/termios.rs:254:38
[INFO] [stdout]     |
[INFO] [stdout] 254 |             inner: RefCell::new(mem::uninitialized()),
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/sys/utsname.rs:35:37
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let mut ret: UtsName = mem::uninitialized();
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/ucontext.rs:18:59
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let mut context: libc::ucontext_t = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]     --> src/unistd.rs:1029:40
[INFO] [stdout]      |
[INFO] [stdout] 1029 |         let mut fds: [c_int; 2] = mem::uninitialized();
[INFO] [stdout]      |                                        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]     --> src/unistd.rs:1056:45
[INFO] [stdout]      |
[INFO] [stdout] 1056 |     let mut fds: [c_int; 2] = unsafe { mem::uninitialized() };
[INFO] [stdout]      |                                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sys/aio.rs:105:20
[INFO] [stdout]     |
[INFO] [stdout] 105 |     BoxedSlice(Box<Borrow<[u8]>>),
[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: `#[deny(bare_trait_objects)]` implied by `#[deny(warnings)]`
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 105 |     BoxedSlice(Box<dyn Borrow<[u8]>>),
[INFO] [stdout]     |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sys/aio.rs:107:23
[INFO] [stdout]     |
[INFO] [stdout] 107 |     BoxedMutSlice(Box<BorrowMut<[u8]>>),
[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] 107 |     BoxedMutSlice(Box<dyn BorrowMut<[u8]>>),
[INFO] [stdout]     |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sched.rs:39:28
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub type CloneCb<'a> = Box<FnMut() -> isize + 'a>;
[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] 39 | pub type CloneCb<'a> = Box<dyn FnMut() -> isize + 'a>;
[INFO] [stdout]    |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sys/aio.rs:168:49
[INFO] [stdout]     |
[INFO] [stdout] 168 |     pub fn boxed_slice(&mut self) -> Option<Box<Borrow<[u8]>>> {
[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] 168 |     pub fn boxed_slice(&mut self) -> Option<Box<dyn Borrow<[u8]>>> {
[INFO] [stdout]     |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sys/aio.rs:190:53
[INFO] [stdout]     |
[INFO] [stdout] 190 |     pub fn boxed_mut_slice(&mut self) -> Option<Box<BorrowMut<[u8]>>> {
[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] 190 |     pub fn boxed_mut_slice(&mut self) -> Option<Box<dyn BorrowMut<[u8]>>> {
[INFO] [stdout]     |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sys/aio.rs:451:62
[INFO] [stdout]     |
[INFO] [stdout] 451 |     pub fn from_boxed_slice(fd: RawFd, offs: off_t, buf: Box<Borrow<[u8]>>,
[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] 451 |     pub fn from_boxed_slice(fd: RawFd, offs: off_t, buf: Box<dyn Borrow<[u8]>>,
[INFO] [stdout]     |                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sys/aio.rs:519:46
[INFO] [stdout]     |
[INFO] [stdout] 519 | ...                   mut buf: Box<BorrowMut<[u8]>>,
[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] 519 |                                 mut buf: Box<dyn BorrowMut<[u8]>>,
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/macros.rs:197:26
[INFO] [stdout]     |
[INFO] [stdout] 197 |                   $entry = libc::$entry,
[INFO] [stdout]     |                            ^^^^^^^^^^^^ expected `i32`, found `u32`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/sys/resource.rs:6:1
[INFO] [stdout]     |
[INFO] [stdout] 6   | / libc_enum!{
[INFO] [stdout] 7   | |     #[repr(i32)]
[INFO] [stdout] 8   | |     pub enum Resource {
[INFO] [stdout] 9   | |         RLIMIT_AS,
[INFO] [stdout] ...   |
[INFO] [stdout] 35  | |     }
[INFO] [stdout] 36  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `libc_enum` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/macros.rs:197:26
[INFO] [stdout]     |
[INFO] [stdout] 197 |                   $entry = libc::$entry,
[INFO] [stdout]     |                            ^^^^^^^^^^^^ expected `i32`, found `u32`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/sys/resource.rs:6:1
[INFO] [stdout]     |
[INFO] [stdout] 6   | / libc_enum!{
[INFO] [stdout] 7   | |     #[repr(i32)]
[INFO] [stdout] 8   | |     pub enum Resource {
[INFO] [stdout] 9   | |         RLIMIT_AS,
[INFO] [stdout] ...   |
[INFO] [stdout] 35  | |     }
[INFO] [stdout] 36  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `libc_enum` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/macros.rs:197:26
[INFO] [stdout]     |
[INFO] [stdout] 197 |                   $entry = libc::$entry,
[INFO] [stdout]     |                            ^^^^^^^^^^^^ expected `i32`, found `u32`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/sys/resource.rs:6:1
[INFO] [stdout]     |
[INFO] [stdout] 6   | / libc_enum!{
[INFO] [stdout] 7   | |     #[repr(i32)]
[INFO] [stdout] 8   | |     pub enum Resource {
[INFO] [stdout] 9   | |         RLIMIT_AS,
[INFO] [stdout] ...   |
[INFO] [stdout] 35  | |     }
[INFO] [stdout] 36  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `libc_enum` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/macros.rs:197:26
[INFO] [stdout]     |
[INFO] [stdout] 197 |                   $entry = libc::$entry,
[INFO] [stdout]     |                            ^^^^^^^^^^^^ expected `i32`, found `u32`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/sys/resource.rs:6:1
[INFO] [stdout]     |
[INFO] [stdout] 6   | / libc_enum!{
[INFO] [stdout] 7   | |     #[repr(i32)]
[INFO] [stdout] 8   | |     pub enum Resource {
[INFO] [stdout] 9   | |         RLIMIT_AS,
[INFO] [stdout] ...   |
[INFO] [stdout] 35  | |     }
[INFO] [stdout] 36  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `libc_enum` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/macros.rs:197:26
[INFO] [stdout]     |
[INFO] [stdout] 197 |                   $entry = libc::$entry,
[INFO] [stdout]     |                            ^^^^^^^^^^^^ expected `i32`, found `u32`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/sys/resource.rs:6:1
[INFO] [stdout]     |
[INFO] [stdout] 6   | / libc_enum!{
[INFO] [stdout] 7   | |     #[repr(i32)]
[INFO] [stdout] 8   | |     pub enum Resource {
[INFO] [stdout] 9   | |         RLIMIT_AS,
[INFO] [stdout] ...   |
[INFO] [stdout] 35  | |     }
[INFO] [stdout] 36  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `libc_enum` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/macros.rs:197:26
[INFO] [stdout]     |
[INFO] [stdout] 197 |                   $entry = libc::$entry,
[INFO] [stdout]     |                            ^^^^^^^^^^^^ expected `i32`, found `u32`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/sys/resource.rs:6:1
[INFO] [stdout]     |
[INFO] [stdout] 6   | / libc_enum!{
[INFO] [stdout] 7   | |     #[repr(i32)]
[INFO] [stdout] 8   | |     pub enum Resource {
[INFO] [stdout] 9   | |         RLIMIT_AS,
[INFO] [stdout] ...   |
[INFO] [stdout] 35  | |     }
[INFO] [stdout] 36  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `libc_enum` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/macros.rs:197:26
[INFO] [stdout]     |
[INFO] [stdout] 197 |                   $entry = libc::$entry,
[INFO] [stdout]     |                            ^^^^^^^^^^^^ expected `i32`, found `u32`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/sys/resource.rs:6:1
[INFO] [stdout]     |
[INFO] [stdout] 6   | / libc_enum!{
[INFO] [stdout] 7   | |     #[repr(i32)]
[INFO] [stdout] 8   | |     pub enum Resource {
[INFO] [stdout] 9   | |         RLIMIT_AS,
[INFO] [stdout] ...   |
[INFO] [stdout] 35  | |     }
[INFO] [stdout] 36  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `libc_enum` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/macros.rs:56:35
[INFO] [stdout]     |
[INFO] [stdout] 56  |                       const $Flag = libc::$Flag $(as $cast)*;
[INFO] [stdout]     |                                     ^^^^^^^^^^^ expected `i32`, found `u32`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/fcntl.rs:148:1
[INFO] [stdout]     |
[INFO] [stdout] 148 | / libc_bitflags!(
[INFO] [stdout] 149 | |     /// Configuration options for opened files.
[INFO] [stdout] 150 | |     pub struct RenameAt2Flags: c_int {
[INFO] [stdout] 151 | |         RENAME_NOREPLACE;
[INFO] [stdout] ...   |
[INFO] [stdout] 154 | |     }
[INFO] [stdout] 155 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `libc_bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary `unsafe` block
[INFO] [stdout]   --> src/sys/quota.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         unsafe { libc::QCMD(self.0 as i32, self.1 as i32) }
[INFO] [stdout]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(unused_unsafe)]` implied by `#[deny(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sched.rs:102:71
[INFO] [stdout]     |
[INFO] [stdout] 102 |         libc::clone(mem::transmute(callback as extern "C" fn(*mut Box<::std::ops::FnMut() -> isize>) -> i32),
[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] 102 |         libc::clone(mem::transmute(callback as extern "C" fn(*mut Box<dyn (::std::ops::FnMut() -> isize)>) -> i32),
[INFO] [stdout]     |                                                                       +++++                            +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sys/aio.rs:119:33
[INFO] [stdout]     |
[INFO] [stdout] 119 |                 let borrowed : &Borrow<[u8]> = bs.borrow();
[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] 119 |                 let borrowed : &dyn Borrow<[u8]> = bs.borrow();
[INFO] [stdout]     |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sys/aio.rs:124:33
[INFO] [stdout]     |
[INFO] [stdout] 124 |                 let borrowed : &BorrowMut<[u8]> = bms.borrow();
[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] 124 |                 let borrowed : &dyn BorrowMut<[u8]> = bms.borrow();
[INFO] [stdout]     |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sys/aio.rs:121:40
[INFO] [stdout]     |
[INFO] [stdout] 121 |                     borrowed as *const Borrow<[u8]>)
[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] 121 |                     borrowed as *const dyn Borrow<[u8]>)
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sys/aio.rs:126:40
[INFO] [stdout]     |
[INFO] [stdout] 126 |                     borrowed as *const BorrowMut<[u8]>)
[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] 126 |                     borrowed as *const dyn BorrowMut<[u8]>)
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sys/aio.rs:456:29
[INFO] [stdout]     |
[INFO] [stdout] 456 |             let borrowed : &Borrow<[u8]> = buf.borrow();
[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] 456 |             let borrowed : &dyn Borrow<[u8]> = buf.borrow();
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sys/aio.rs:524:33
[INFO] [stdout]     |
[INFO] [stdout] 524 |             let borrowed : &mut BorrowMut<[u8]> = buf.borrow_mut();
[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] 524 |             let borrowed : &mut dyn BorrowMut<[u8]> = buf.borrow_mut();
[INFO] [stdout]     |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: variable does not need to be mutable
[INFO] [stdout]    --> src/sys/socket/mod.rs:618:17
[INFO] [stdout]     |
[INFO] [stdout] 618 |             let mut ptr = &mut cmsg_buffer[ofs..];
[INFO] [stdout]     |                 ----^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(unused_mut)]` implied by `#[deny(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> src/sys/resource.rs:44:27
[INFO] [stdout]      |
[INFO] [stdout] 44   |         libc::getrlimit64(resource as libc::c_int, &mut rlimit as *mut Rlimit)
[INFO] [stdout]      |         ----------------- ^^^^^^^^^^^^^^^^^^^^^^^ expected `u32`, found `i32`
[INFO] [stdout]      |         |
[INFO] [stdout]      |         arguments to this function are incorrect
[INFO] [stdout]      |
[INFO] [stdout] note: function defined here
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/libc-0.2.153/src/unix/linux_like/linux/gnu/mod.rs:1312:12
[INFO] [stdout]      |
[INFO] [stdout] 1312 |     pub fn getrlimit64(resource: ::__rlimit_resource_t, rlim: *mut ::rlimit64) -> ::c_int;
[INFO] [stdout]      |            ^^^^^^^^^^^
[INFO] [stdout] help: you can convert an `i32` to a `u32` and panic if the converted value doesn't fit
[INFO] [stdout]      |
[INFO] [stdout] 44   |         libc::getrlimit64((resource as libc::c_int).try_into().unwrap(), &mut rlimit as *mut Rlimit)
[INFO] [stdout]      |                           +                       +++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> src/sys/resource.rs:52:27
[INFO] [stdout]      |
[INFO] [stdout] 52   |         libc::setrlimit64(resource as libc::c_int, rlimit as *const Rlimit)
[INFO] [stdout]      |         ----------------- ^^^^^^^^^^^^^^^^^^^^^^^ expected `u32`, found `i32`
[INFO] [stdout]      |         |
[INFO] [stdout]      |         arguments to this function are incorrect
[INFO] [stdout]      |
[INFO] [stdout] note: function defined here
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/libc-0.2.153/src/unix/linux_like/linux/gnu/mod.rs:1313:12
[INFO] [stdout]      |
[INFO] [stdout] 1313 |     pub fn setrlimit64(resource: ::__rlimit_resource_t, rlim: *const ::rlimit64) -> ::c_int;
[INFO] [stdout]      |            ^^^^^^^^^^^
[INFO] [stdout] help: you can convert an `i32` to a `u32` and panic if the converted value doesn't fit
[INFO] [stdout]      |
[INFO] [stdout] 52   |         libc::setrlimit64((resource as libc::c_int).try_into().unwrap(), rlimit as *const Rlimit)
[INFO] [stdout]      |                           +                       +++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary `unsafe` block
[INFO] [stdout]    --> src/sys/wait.rs:117:5
[INFO] [stdout]     |
[INFO] [stdout] 117 |     unsafe { libc::WIFEXITED(status) }
[INFO] [stdout]     |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary `unsafe` block
[INFO] [stdout]    --> src/sys/wait.rs:121:5
[INFO] [stdout]     |
[INFO] [stdout] 121 |     unsafe { libc::WEXITSTATUS(status) }
[INFO] [stdout]     |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary `unsafe` block
[INFO] [stdout]    --> src/sys/wait.rs:125:5
[INFO] [stdout]     |
[INFO] [stdout] 125 |     unsafe { libc::WIFSIGNALED(status) }
[INFO] [stdout]     |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary `unsafe` block
[INFO] [stdout]    --> src/sys/wait.rs:129:24
[INFO] [stdout]     |
[INFO] [stdout] 129 |     Signal::from_c_int(unsafe { libc::WTERMSIG(status) })
[INFO] [stdout]     |                        ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary `unsafe` block
[INFO] [stdout]    --> src/sys/wait.rs:133:5
[INFO] [stdout]     |
[INFO] [stdout] 133 |     unsafe { libc::WCOREDUMP(status) }
[INFO] [stdout]     |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary `unsafe` block
[INFO] [stdout]    --> src/sys/wait.rs:137:5
[INFO] [stdout]     |
[INFO] [stdout] 137 |     unsafe { libc::WIFSTOPPED(status) }
[INFO] [stdout]     |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary `unsafe` block
[INFO] [stdout]    --> src/sys/wait.rs:141:24
[INFO] [stdout]     |
[INFO] [stdout] 141 |     Signal::from_c_int(unsafe { libc::WSTOPSIG(status) })
[INFO] [stdout]     |                        ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary `unsafe` block
[INFO] [stdout]    --> src/sys/wait.rs:150:5
[INFO] [stdout]     |
[INFO] [stdout] 150 |     unsafe { libc::WSTOPSIG(status) == libc::SIGTRAP | 0x80 }
[INFO] [stdout]     |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary `unsafe` block
[INFO] [stdout]    --> src/sys/wait.rs:159:5
[INFO] [stdout]     |
[INFO] [stdout] 159 |     unsafe { libc::WIFCONTINUED(status) }
[INFO] [stdout]     |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 83 previous errors; 190 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cntr-nix` (lib) due to 84 previous errors; 190 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: unnecessary `unsafe` block
[INFO] [stdout]   --> src/sys/quota.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         unsafe { libc::QCMD(self.0 as i32, self.1 as i32) }
[INFO] [stdout]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(unused_unsafe)]` implied by `#[deny(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: variable does not need to be mutable
[INFO] [stdout]    --> src/sys/socket/mod.rs:618:17
[INFO] [stdout]     |
[INFO] [stdout] 618 |             let mut ptr = &mut cmsg_buffer[ofs..];
[INFO] [stdout]     |                 ----^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(unused_mut)]` implied by `#[deny(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary `unsafe` block
[INFO] [stdout]    --> src/sys/wait.rs:117:5
[INFO] [stdout]     |
[INFO] [stdout] 117 |     unsafe { libc::WIFEXITED(status) }
[INFO] [stdout]     |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary `unsafe` block
[INFO] [stdout]    --> src/sys/wait.rs:121:5
[INFO] [stdout]     |
[INFO] [stdout] 121 |     unsafe { libc::WEXITSTATUS(status) }
[INFO] [stdout]     |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary `unsafe` block
[INFO] [stdout]    --> src/sys/wait.rs:125:5
[INFO] [stdout]     |
[INFO] [stdout] 125 |     unsafe { libc::WIFSIGNALED(status) }
[INFO] [stdout]     |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary `unsafe` block
[INFO] [stdout]    --> src/sys/wait.rs:129:24
[INFO] [stdout]     |
[INFO] [stdout] 129 |     Signal::from_c_int(unsafe { libc::WTERMSIG(status) })
[INFO] [stdout]     |                        ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary `unsafe` block
[INFO] [stdout]    --> src/sys/wait.rs:133:5
[INFO] [stdout]     |
[INFO] [stdout] 133 |     unsafe { libc::WCOREDUMP(status) }
[INFO] [stdout]     |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary `unsafe` block
[INFO] [stdout]    --> src/sys/wait.rs:137:5
[INFO] [stdout]     |
[INFO] [stdout] 137 |     unsafe { libc::WIFSTOPPED(status) }
[INFO] [stdout]     |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary `unsafe` block
[INFO] [stdout]    --> src/sys/wait.rs:141:24
[INFO] [stdout]     |
[INFO] [stdout] 141 |     Signal::from_c_int(unsafe { libc::WSTOPSIG(status) })
[INFO] [stdout]     |                        ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary `unsafe` block
[INFO] [stdout]    --> src/sys/wait.rs:150:5
[INFO] [stdout]     |
[INFO] [stdout] 150 |     unsafe { libc::WSTOPSIG(status) == libc::SIGTRAP | 0x80 }
[INFO] [stdout]     |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary `unsafe` block
[INFO] [stdout]    --> src/sys/wait.rs:159:5
[INFO] [stdout]     |
[INFO] [stdout] 159 |     unsafe { libc::WIFCONTINUED(status) }
[INFO] [stdout]     |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 277 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cntr-nix` (lib test) due to 278 previous errors
[INFO] running `Command { std: "docker" "inspect" "2ca1d24d0eb8a0b2960eeffe899f8b941516b7520678ff7d9204fb1e53fbcb80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ca1d24d0eb8a0b2960eeffe899f8b941516b7520678ff7d9204fb1e53fbcb80", kill_on_drop: false }`
[INFO] [stdout] 2ca1d24d0eb8a0b2960eeffe899f8b941516b7520678ff7d9204fb1e53fbcb80
