[INFO] fetching crate keyutils 0.2.1...
[INFO] checking keyutils-0.2.1 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate keyutils 0.2.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate keyutils 0.2.1 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate keyutils 0.2.1
[INFO] finished tweaking crates.io crate keyutils 0.2.1
[INFO] tweaked toml for crates.io crate keyutils 0.2.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7076114fba28c579e9d98ceb93e85863fee12d1d4297c980b6b57f7a6548adc4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7076114fba28c579e9d98ceb93e85863fee12d1d4297c980b6b57f7a6548adc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7076114fba28c579e9d98ceb93e85863fee12d1d4297c980b6b57f7a6548adc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7076114fba28c579e9d98ceb93e85863fee12d1d4297c980b6b57f7a6548adc4", kill_on_drop: false }`
[INFO] [stdout] 7076114fba28c579e9d98ceb93e85863fee12d1d4297c980b6b57f7a6548adc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24ea160d2c760cac671c5f4071ef7a617b1d8534ef6547927173116dfd026cea
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "24ea160d2c760cac671c5f4071ef7a617b1d8534ef6547927173116dfd026cea", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]     Checking bitflags v0.3.3
[INFO] [stderr]     Checking errno v0.1.8
[INFO] [stderr]     Checking keyutils v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/api.rs:56:19
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let ret = try!(check_call_ret(unsafe { keyctl_set_reqkey_keyring(keyring.serial()) }));
[INFO] [stdout]    |                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/api.rs:141:19
[INFO] [stdout]     |
[INFO] [stdout] 141 |         let res = try!(self._search("user", description));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/api.rs:150:19
[INFO] [stdout]     |
[INFO] [stdout] 150 |         let res = try!(self._search("keyring", description));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/api.rs:156:18
[INFO] [stdout]     |
[INFO] [stdout] 156 |         let sz = try!(check_call_ret(unsafe { keyctl_read(self.id, ptr::null_mut(), 0) }));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/api.rs:158:25
[INFO] [stdout]     |
[INFO] [stdout] 158 |         let actual_sz = try!(check_call_ret(unsafe { keyctl_read(self.id, buffer.as_mut_ptr() as *mut libc::c_char, sz as usize) }));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/api.rs:205:19
[INFO] [stdout]     |
[INFO] [stdout] 205 |         let res = try!(self._request("user", description));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/api.rs:212:19
[INFO] [stdout]     |
[INFO] [stdout] 212 |         let res = try!(self._request("keyring", description));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/api.rs:228:19
[INFO] [stdout]     |
[INFO] [stdout] 228 |         let res = try!(self._request_fallback("user", description, info));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/api.rs:237:19
[INFO] [stdout]     |
[INFO] [stdout] 237 |         let res = try!(self._request_fallback("keyring", description, info));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/api.rs:266:18
[INFO] [stdout]     |
[INFO] [stdout] 266 |         let sz = try!(check_call_ret(unsafe { keyctl_describe(self.id, ptr::null_mut(), 0) }));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/api.rs:268:25
[INFO] [stdout]     |
[INFO] [stdout] 268 |         let actual_sz = try!(check_call_ret(unsafe { keyctl_describe(self.id, buffer.as_mut_ptr() as *mut libc::c_char, sz as usize) }));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/api.rs:295:18
[INFO] [stdout]     |
[INFO] [stdout] 295 |         let sz = try!(check_call_ret(unsafe { keyctl_get_security(self.id, ptr::null_mut(), 0) }));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/api.rs:297:25
[INFO] [stdout]     |
[INFO] [stdout] 297 | ...   let actual_sz = try!(check_call_ret(unsafe { keyctl_get_security(self.id, buffer.as_mut_ptr() as *mut libc::c_char, sz as usize) }));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/api.rs:376:18
[INFO] [stdout]     |
[INFO] [stdout] 376 |         let sz = try!(check_call_ret(unsafe { keyctl_read(self.id, ptr::null_mut(), 0) }));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/api.rs:378:25
[INFO] [stdout]     |
[INFO] [stdout] 378 |         let actual_sz = try!(check_call_ret(unsafe { keyctl_read(self.id, buffer.as_mut_ptr() as *mut libc::c_char, sz as usize) }));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/constants.rs:98:1
[INFO] [stdout]     |
[INFO] [stdout] 98  | / bitflags! {
[INFO] [stdout] 99  | |     flags KeyringPermission: key_perm_t {
[INFO] [stdout] 100 | |         const POSSESSOR_VIEW            = KEY_POS_VIEW,
[INFO] [stdout] 101 | |         const POSSESSOR_READ            = KEY_POS_READ,
[INFO] [stdout] ...   |
[INFO] [stdout] 131 | |     }
[INFO] [stdout] 132 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/constants.rs:98:1
[INFO] [stdout]     |
[INFO] [stdout] 98  | / bitflags! {
[INFO] [stdout] 99  | |     flags KeyringPermission: key_perm_t {
[INFO] [stdout] 100 | |         const POSSESSOR_VIEW            = KEY_POS_VIEW,
[INFO] [stdout] 101 | |         const POSSESSOR_READ            = KEY_POS_READ,
[INFO] [stdout] ...   |
[INFO] [stdout] 131 | |     }
[INFO] [stdout] 132 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::os::unix::raw::gid_t': these type aliases are no longer supported by the standard library, the `libc` crate on crates.io should be used instead for the correct definitions
[INFO] [stdout]   --> src/api.rs:10:26
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::os::unix::raw::{gid_t, uid_t};
[INFO] [stdout]    |                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::os::unix::raw::uid_t': these type aliases are no longer supported by the standard library, the `libc` crate on crates.io should be used instead for the correct definitions
[INFO] [stdout]   --> src/api.rs:10:33
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::os::unix::raw::{gid_t, uid_t};
[INFO] [stdout]    |                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::os::unix::raw::uid_t': these type aliases are no longer supported by the standard library, the `libc` crate on crates.io should be used instead for the correct definitions
[INFO] [stdout]    --> src/api.rs:416:25
[INFO] [stdout]     |
[INFO] [stdout] 416 |     pub uid:            uid_t,
[INFO] [stdout]     |                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::os::unix::raw::gid_t': these type aliases are no longer supported by the standard library, the `libc` crate on crates.io should be used instead for the correct definitions
[INFO] [stdout]    --> src/api.rs:418:25
[INFO] [stdout]     |
[INFO] [stdout] 418 |     pub gid:            gid_t,
[INFO] [stdout]     |                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::os::unix::raw::uid_t': these type aliases are no longer supported by the standard library, the `libc` crate on crates.io should be used instead for the correct definitions
[INFO] [stdout]    --> src/api.rs:248:34
[INFO] [stdout]     |
[INFO] [stdout] 248 |     pub fn chown(&mut self, uid: uid_t) -> Result<()> {
[INFO] [stdout]     |                                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::os::unix::raw::gid_t': these type aliases are no longer supported by the standard library, the `libc` crate on crates.io should be used instead for the correct definitions
[INFO] [stdout]    --> src/api.rs:255:34
[INFO] [stdout]     |
[INFO] [stdout] 255 |     pub fn chgrp(&mut self, gid: gid_t) -> Result<()> {
[INFO] [stdout]     |                                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::os::unix::raw::uid_t': these type aliases are no longer supported by the standard library, the `libc` crate on crates.io should be used instead for the correct definitions
[INFO] [stdout]    --> src/api.rs:348:34
[INFO] [stdout]     |
[INFO] [stdout] 348 |     pub fn chown(&mut self, uid: uid_t) -> Result<()> {
[INFO] [stdout]     |                                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::os::unix::raw::gid_t': these type aliases are no longer supported by the standard library, the `libc` crate on crates.io should be used instead for the correct definitions
[INFO] [stdout]    --> src/api.rs:355:34
[INFO] [stdout]     |
[INFO] [stdout] 355 |     pub fn chgrp(&mut self, gid: gid_t) -> Result<()> {
[INFO] [stdout]     |                                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::os::unix::raw::uid_t': these type aliases are no longer supported by the standard library, the `libc` crate on crates.io should be used instead for the correct definitions
[INFO] [stdout]    --> src/api.rs:441:51
[INFO] [stdout]     |
[INFO] [stdout] 441 |                 uid:            pieces[3].parse::<uid_t>().unwrap(),
[INFO] [stdout]     |                                                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::os::unix::raw::gid_t': these type aliases are no longer supported by the standard library, the `libc` crate on crates.io should be used instead for the correct definitions
[INFO] [stdout]    --> src/api.rs:442:51
[INFO] [stdout]     |
[INFO] [stdout] 442 |                 gid:            pieces[2].parse::<gid_t>().unwrap(),
[INFO] [stdout]     |                                                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'api::libc::int32_t': Use i32 instead.
[INFO] [stdout]  --> src/ffi.rs:4:25
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub type key_serial_t = libc::int32_t;
[INFO] [stdout]   |                         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'api::libc::uint32_t': Use u32 instead.
[INFO] [stdout]   --> src/ffi.rs:24:23
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub type key_perm_t = libc::uint32_t;
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/api.rs:56:19
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let ret = try!(check_call_ret(unsafe { keyctl_set_reqkey_keyring(keyring.serial()) }));
[INFO] [stdout]    |                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/api.rs:141:19
[INFO] [stdout]     |
[INFO] [stdout] 141 |         let res = try!(self._search("user", description));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/api.rs:150:19
[INFO] [stdout]     |
[INFO] [stdout] 150 |         let res = try!(self._search("keyring", description));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/api.rs:156:18
[INFO] [stdout]     |
[INFO] [stdout] 156 |         let sz = try!(check_call_ret(unsafe { keyctl_read(self.id, ptr::null_mut(), 0) }));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/api.rs:158:25
[INFO] [stdout]     |
[INFO] [stdout] 158 |         let actual_sz = try!(check_call_ret(unsafe { keyctl_read(self.id, buffer.as_mut_ptr() as *mut libc::c_char, sz as usize) }));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/api.rs:205:19
[INFO] [stdout]     |
[INFO] [stdout] 205 |         let res = try!(self._request("user", description));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/api.rs:212:19
[INFO] [stdout]     |
[INFO] [stdout] 212 |         let res = try!(self._request("keyring", description));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/api.rs:228:19
[INFO] [stdout]     |
[INFO] [stdout] 228 |         let res = try!(self._request_fallback("user", description, info));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/api.rs:237:19
[INFO] [stdout]     |
[INFO] [stdout] 237 |         let res = try!(self._request_fallback("keyring", description, info));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/api.rs:266:18
[INFO] [stdout]     |
[INFO] [stdout] 266 |         let sz = try!(check_call_ret(unsafe { keyctl_describe(self.id, ptr::null_mut(), 0) }));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/api.rs:268:25
[INFO] [stdout]     |
[INFO] [stdout] 268 |         let actual_sz = try!(check_call_ret(unsafe { keyctl_describe(self.id, buffer.as_mut_ptr() as *mut libc::c_char, sz as usize) }));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/api.rs:295:18
[INFO] [stdout]     |
[INFO] [stdout] 295 |         let sz = try!(check_call_ret(unsafe { keyctl_get_security(self.id, ptr::null_mut(), 0) }));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/api.rs:297:25
[INFO] [stdout]     |
[INFO] [stdout] 297 | ...   let actual_sz = try!(check_call_ret(unsafe { keyctl_get_security(self.id, buffer.as_mut_ptr() as *mut libc::c_char, sz as usize) }));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/api.rs:376:18
[INFO] [stdout]     |
[INFO] [stdout] 376 |         let sz = try!(check_call_ret(unsafe { keyctl_read(self.id, ptr::null_mut(), 0) }));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/api.rs:378:25
[INFO] [stdout]     |
[INFO] [stdout] 378 |         let actual_sz = try!(check_call_ret(unsafe { keyctl_read(self.id, buffer.as_mut_ptr() as *mut libc::c_char, sz as usize) }));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/constants.rs:98:1
[INFO] [stdout]     |
[INFO] [stdout] 98  | / bitflags! {
[INFO] [stdout] 99  | |     flags KeyringPermission: key_perm_t {
[INFO] [stdout] 100 | |         const POSSESSOR_VIEW            = KEY_POS_VIEW,
[INFO] [stdout] 101 | |         const POSSESSOR_READ            = KEY_POS_READ,
[INFO] [stdout] ...   |
[INFO] [stdout] 131 | |     }
[INFO] [stdout] 132 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/constants.rs:98:1
[INFO] [stdout]     |
[INFO] [stdout] 98  | / bitflags! {
[INFO] [stdout] 99  | |     flags KeyringPermission: key_perm_t {
[INFO] [stdout] 100 | |         const POSSESSOR_VIEW            = KEY_POS_VIEW,
[INFO] [stdout] 101 | |         const POSSESSOR_READ            = KEY_POS_READ,
[INFO] [stdout] ...   |
[INFO] [stdout] 131 | |     }
[INFO] [stdout] 132 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::os::unix::raw::gid_t': these type aliases are no longer supported by the standard library, the `libc` crate on crates.io should be used instead for the correct definitions
[INFO] [stdout]   --> src/api.rs:10:26
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::os::unix::raw::{gid_t, uid_t};
[INFO] [stdout]    |                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::os::unix::raw::uid_t': these type aliases are no longer supported by the standard library, the `libc` crate on crates.io should be used instead for the correct definitions
[INFO] [stdout]   --> src/api.rs:10:33
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::os::unix::raw::{gid_t, uid_t};
[INFO] [stdout]    |                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::os::unix::raw::uid_t': these type aliases are no longer supported by the standard library, the `libc` crate on crates.io should be used instead for the correct definitions
[INFO] [stdout]    --> src/api.rs:416:25
[INFO] [stdout]     |
[INFO] [stdout] 416 |     pub uid:            uid_t,
[INFO] [stdout]     |                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::os::unix::raw::gid_t': these type aliases are no longer supported by the standard library, the `libc` crate on crates.io should be used instead for the correct definitions
[INFO] [stdout]    --> src/api.rs:418:25
[INFO] [stdout]     |
[INFO] [stdout] 418 |     pub gid:            gid_t,
[INFO] [stdout]     |                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::os::unix::raw::uid_t': these type aliases are no longer supported by the standard library, the `libc` crate on crates.io should be used instead for the correct definitions
[INFO] [stdout]    --> src/api.rs:248:34
[INFO] [stdout]     |
[INFO] [stdout] 248 |     pub fn chown(&mut self, uid: uid_t) -> Result<()> {
[INFO] [stdout]     |                                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::os::unix::raw::gid_t': these type aliases are no longer supported by the standard library, the `libc` crate on crates.io should be used instead for the correct definitions
[INFO] [stdout]    --> src/api.rs:255:34
[INFO] [stdout]     |
[INFO] [stdout] 255 |     pub fn chgrp(&mut self, gid: gid_t) -> Result<()> {
[INFO] [stdout]     |                                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::os::unix::raw::uid_t': these type aliases are no longer supported by the standard library, the `libc` crate on crates.io should be used instead for the correct definitions
[INFO] [stdout]    --> src/api.rs:348:34
[INFO] [stdout]     |
[INFO] [stdout] 348 |     pub fn chown(&mut self, uid: uid_t) -> Result<()> {
[INFO] [stdout]     |                                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::os::unix::raw::gid_t': these type aliases are no longer supported by the standard library, the `libc` crate on crates.io should be used instead for the correct definitions
[INFO] [stdout]    --> src/api.rs:355:34
[INFO] [stdout]     |
[INFO] [stdout] 355 |     pub fn chgrp(&mut self, gid: gid_t) -> Result<()> {
[INFO] [stdout]     |                                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::os::unix::raw::uid_t': these type aliases are no longer supported by the standard library, the `libc` crate on crates.io should be used instead for the correct definitions
[INFO] [stdout]    --> src/api.rs:441:51
[INFO] [stdout]     |
[INFO] [stdout] 441 |                 uid:            pieces[3].parse::<uid_t>().unwrap(),
[INFO] [stdout]     |                                                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::os::unix::raw::gid_t': these type aliases are no longer supported by the standard library, the `libc` crate on crates.io should be used instead for the correct definitions
[INFO] [stdout]    --> src/api.rs:442:51
[INFO] [stdout]     |
[INFO] [stdout] 442 |                 gid:            pieces[2].parse::<gid_t>().unwrap(),
[INFO] [stdout]     |                                                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'api::libc::int32_t': Use i32 instead.
[INFO] [stdout]  --> src/ffi.rs:4:25
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub type key_serial_t = libc::int32_t;
[INFO] [stdout]   |                         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'api::libc::uint32_t': Use u32 instead.
[INFO] [stdout]   --> src/ffi.rs:24:23
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub type key_perm_t = libc::uint32_t;
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 29 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 29 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.32s
[INFO] running `Command { std: "docker" "inspect" "24ea160d2c760cac671c5f4071ef7a617b1d8534ef6547927173116dfd026cea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24ea160d2c760cac671c5f4071ef7a617b1d8534ef6547927173116dfd026cea", kill_on_drop: false }`
[INFO] [stdout] 24ea160d2c760cac671c5f4071ef7a617b1d8534ef6547927173116dfd026cea
