[INFO] updating cached repository https://github.com/Antti/rubygems-rust-experiments
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f5766bd8baf4aa90dd8e42c74b31c4af85ed32a7
[INFO] checking Antti/rubygems-rust-experiments against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAntti%2Frubygems-rust-experiments" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Antti/rubygems-rust-experiments on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Antti/rubygems-rust-experiments
[INFO] finished tweaking git repo https://github.com/Antti/rubygems-rust-experiments
[INFO] tweaked toml for git repo https://github.com/Antti/rubygems-rust-experiments written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/Antti/rubygems-rust-experiments already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 94bbfed46a3e2668190fe497170c95dfa7e42d657465de0825376a4f85efc911
[INFO] running `"docker" "start" "-a" "94bbfed46a3e2668190fe497170c95dfa7e42d657465de0825376a4f85efc911"`
[INFO] [stderr]     Checking test_ruby v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/macros.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     (x as u32 & RUBY_FLONUM_MASK == RUBY_FLONUM_FLAG)
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/macros.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     ((x as u32 & (!((!0)<<RUBY_SPECIAL_SHIFT))) == RUBY_SYMBOL_FLAG)
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | extern crate libc;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/ruby.rs:3:21
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub type __int8_t = ::libc::c_char;
[INFO] [stderr]   |                     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/ruby.rs:4:22
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub type __uint8_t = ::libc::c_uchar;
[INFO] [stderr]   |                      ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/ruby.rs:5:22
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub type __int16_t = ::libc::c_short;
[INFO] [stderr]   |                      ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/ruby.rs:6:23
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub type __uint16_t = ::libc::c_ushort;
[INFO] [stderr]   |                       ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/ruby.rs:7:22
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub type __int32_t = ::libc::c_int;
[INFO] [stderr]   |                      ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/ruby.rs:8:23
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub type __uint32_t = ::libc::c_uint;
[INFO] [stderr]   |                       ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/ruby.rs:9:22
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub type __int64_t = ::libc::c_longlong;
[INFO] [stderr]   |                      ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ruby.rs:10:23
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub type __uint64_t = ::libc::c_ulonglong;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ruby.rs:11:30
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub type __darwin_intptr_t = ::libc::c_long;
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ruby.rs:12:31
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub type __darwin_natural_t = ::libc::c_uint;
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ruby.rs:13:31
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub type __darwin_ct_rune_t = ::libc::c_int;
[INFO] [stderr]    |                               ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ruby.rs:37:31
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub type __darwin_ptrdiff_t = ::libc::c_long;
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ruby.rs:38:28
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub type __darwin_size_t = ::libc::c_ulong;
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ruby.rs:40:29
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub type __darwin_wchar_t = ::libc::c_int;
[INFO] [stderr]    |                             ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ruby.rs:42:28
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub type __darwin_wint_t = ::libc::c_int;
[INFO] [stderr]    |                            ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ruby.rs:43:29
[INFO] [stderr]    |
[INFO] [stderr] 43 | pub type __darwin_clock_t = ::libc::c_ulong;
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ruby.rs:45:29
[INFO] [stderr]    |
[INFO] [stderr] 45 | pub type __darwin_ssize_t = ::libc::c_long;
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ruby.rs:46:28
[INFO] [stderr]    |
[INFO] [stderr] 46 | pub type __darwin_time_t = ::libc::c_long;
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ruby.rs:50:32
[INFO] [stderr]    |
[INFO] [stderr] 50 | pub type __darwin_fsblkcnt_t = ::libc::c_uint;
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ruby.rs:51:32
[INFO] [stderr]    |
[INFO] [stderr] 51 | pub type __darwin_fsfilcnt_t = ::libc::c_uint;
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ruby.rs:65:29
[INFO] [stderr]    |
[INFO] [stderr] 65 | pub type __darwin_uuid_t = [::libc::c_uchar; 16usize];
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ruby.rs:66:36
[INFO] [stderr]    |
[INFO] [stderr] 66 | pub type __darwin_uuid_string_t = [::libc::c_char; 37usize];
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/ruby.rs:194:35
[INFO] [stderr]     |
[INFO] [stderr] 194 | pub type __darwin_pthread_key_t = ::libc::c_ulong;
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/ruby.rs:201:29
[INFO] [stderr]     |
[INFO] [stderr] 201 | pub type __darwin_nl_item = ::libc::c_int;
[INFO] [stderr]     |                             ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/ruby.rs:202:31
[INFO] [stderr]     |
[INFO] [stderr] 202 | pub type __darwin_wctrans_t = ::libc::c_int;
[INFO] [stderr]     |                               ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/ruby.rs:270:19
[INFO] [stderr]     |
[INFO] [stderr] 270 | pub type int8_t = ::libc::c_char;
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/ruby.rs:271:20
[INFO] [stderr]     |
[INFO] [stderr] 271 | pub type int16_t = ::libc::c_short;
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/ruby.rs:272:20
[INFO] [stderr]     |
[INFO] [stderr] 272 | pub type int32_t = ::libc::c_int;
[INFO] [stderr]     |                    ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/ruby.rs:273:20
[INFO] [stderr]     |
[INFO] [stderr] 273 | pub type int64_t = ::libc::c_longlong;
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/ruby.rs:274:21
[INFO] [stderr]     |
[INFO] [stderr] 274 | pub type u_int8_t = ::libc::c_uchar;
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/ruby.rs:275:22
[INFO] [stderr]     |
[INFO] [stderr] 275 | pub type u_int16_t = ::libc::c_ushort;
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/ruby.rs:276:22
[INFO] [stderr]     |
[INFO] [stderr] 276 | pub type u_int32_t = ::libc::c_uint;
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/ruby.rs:277:22
[INFO] [stderr]     |
[INFO] [stderr] 277 | pub type u_int64_t = ::libc::c_ulonglong;
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/ruby.rs:280:22
[INFO] [stderr]     |
[INFO] [stderr] 280 | pub type uintptr_t = ::libc::c_ulong;
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/ruby.rs:289:19
[INFO] [stderr]     |
[INFO] [stderr] 289 | pub type u_char = ::libc::c_uchar;
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/ruby.rs:290:20
[INFO] [stderr]     |
[INFO] [stderr] 290 | pub type u_short = ::libc::c_ushort;
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/ruby.rs:291:18
[INFO] [stderr]     |
[INFO] [stderr] 291 | pub type u_int = ::libc::c_uint;
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/ruby.rs:292:19
[INFO] [stderr]     |
[INFO] [stderr] 292 | pub type u_long = ::libc::c_ulong;
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/ruby.rs:293:19
[INFO] [stderr]     |
[INFO] [stderr] 293 | pub type ushort = ::libc::c_ushort;
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/ruby.rs:294:18
[INFO] [stderr]     |
[INFO] [stderr] 294 | pub type _uint = ::libc::c_uint;
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/ruby.rs:298:25
[INFO] [stderr]     |
[INFO] [stderr] 298 | pub type caddr_t = *mut ::libc::c_char;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/ruby.rs:322:20
[INFO] [stderr]     |
[INFO] [stderr] 322 | pub type errno_t = ::libc::c_int;
[INFO] [stderr]     |                    ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/ruby.rs:443:26
[INFO] [stderr]     |
[INFO] [stderr] 443 | pub type Enum_Unnamed2 = ::libc::c_uint;
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/ruby.rs:444:18
[INFO] [stderr]     |
[INFO] [stderr] 444 | pub const P_ALL: ::libc::c_uint = 0;
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/ruby.rs:445:18
[INFO] [stderr]     |
[INFO] [stderr] 445 | pub const P_PID: ::libc::c_uint = 1;
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/ruby.rs:446:19
[INFO] [stderr]     |
[INFO] [stderr] 446 | pub const P_PGID: ::libc::c_uint = 2;
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/ruby.rs:448:25
[INFO] [stderr]     |
[INFO] [stderr] 448 | pub type sig_atomic_t = ::libc::c_int;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1038:47
[INFO] [stderr]      |
[INFO] [stderr] 1038 |     ::std::option::Option<extern "C" fn(arg1: ::libc::c_int) -> ()>;
[INFO] [stderr]      |                                               ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1065:20
[INFO] [stderr]      |
[INFO] [stderr] 1065 | pub type uint8_t = ::libc::c_uchar;
[INFO] [stderr]      |                    ^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1066:21
[INFO] [stderr]      |
[INFO] [stderr] 1066 | pub type uint16_t = ::libc::c_ushort;
[INFO] [stderr]      |                     ^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1067:21
[INFO] [stderr]      |
[INFO] [stderr] 1067 | pub type uint32_t = ::libc::c_uint;
[INFO] [stderr]      |                     ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1068:21
[INFO] [stderr]      |
[INFO] [stderr] 1068 | pub type uint64_t = ::libc::c_ulonglong;
[INFO] [stderr]      |                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1085:21
[INFO] [stderr]      |
[INFO] [stderr] 1085 | pub type intmax_t = ::libc::c_long;
[INFO] [stderr]      |                     ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1086:22
[INFO] [stderr]      |
[INFO] [stderr] 1086 | pub type uintmax_t = ::libc::c_ulong;
[INFO] [stderr]      |                      ^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1356:22
[INFO] [stderr]      |
[INFO] [stderr] 1356 | pub type ptrdiff_t = ::libc::c_long;
[INFO] [stderr]      |                      ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1399:20
[INFO] [stderr]      |
[INFO] [stderr] 1399 | pub type float_t = ::libc::c_float;
[INFO] [stderr]      |                    ^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1400:21
[INFO] [stderr]      |
[INFO] [stderr] 1400 | pub type double_t = ::libc::c_double;
[INFO] [stderr]      |                     ^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1441:18
[INFO] [stderr]      |
[INFO] [stderr] 1441 | pub type VALUE = ::libc::c_ulong;
[INFO] [stderr]      |                  ^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1442:15
[INFO] [stderr]      |
[INFO] [stderr] 1442 | pub type ID = ::libc::c_ulong;
[INFO] [stderr]      |               ^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1443:35
[INFO] [stderr]      |
[INFO] [stderr] 1443 | pub type ruby_check_sizeof_int = [::libc::c_char; 1usize];
[INFO] [stderr]      |                                   ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1444:36
[INFO] [stderr]      |
[INFO] [stderr] 1444 | pub type ruby_check_sizeof_long = [::libc::c_char; 1usize];
[INFO] [stderr]      |                                    ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1445:41
[INFO] [stderr]      |
[INFO] [stderr] 1445 | pub type ruby_check_sizeof_long_long = [::libc::c_char; 1usize];
[INFO] [stderr]      |                                         ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1446:37
[INFO] [stderr]      |
[INFO] [stderr] 1446 | pub type ruby_check_sizeof_voidp = [::libc::c_char; 1usize];
[INFO] [stderr]      |                                     ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1447:37
[INFO] [stderr]      |
[INFO] [stderr] 1447 | pub type Enum_ruby_special_consts = ::libc::c_uint;
[INFO] [stderr]      |                                     ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1448:24
[INFO] [stderr]      |
[INFO] [stderr] 1448 | pub const RUBY_Qfalse: ::libc::c_uint = 0;
[INFO] [stderr]      |                        ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1449:23
[INFO] [stderr]      |
[INFO] [stderr] 1449 | pub const RUBY_Qtrue: ::libc::c_uint = 20;
[INFO] [stderr]      |                       ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1450:22
[INFO] [stderr]      |
[INFO] [stderr] 1450 | pub const RUBY_Qnil: ::libc::c_uint = 8;
[INFO] [stderr]      |                      ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1451:24
[INFO] [stderr]      |
[INFO] [stderr] 1451 | pub const RUBY_Qundef: ::libc::c_uint = 52;
[INFO] [stderr]      |                        ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1452:32
[INFO] [stderr]      |
[INFO] [stderr] 1452 | pub const RUBY_IMMEDIATE_MASK: ::libc::c_uint = 7;
[INFO] [stderr]      |                                ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1453:29
[INFO] [stderr]      |
[INFO] [stderr] 1453 | pub const RUBY_FIXNUM_FLAG: ::libc::c_uint = 1;
[INFO] [stderr]      |                             ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1454:29
[INFO] [stderr]      |
[INFO] [stderr] 1454 | pub const RUBY_FLONUM_MASK: ::libc::c_uint = 3;
[INFO] [stderr]      |                             ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1455:29
[INFO] [stderr]      |
[INFO] [stderr] 1455 | pub const RUBY_FLONUM_FLAG: ::libc::c_uint = 2;
[INFO] [stderr]      |                             ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1456:29
[INFO] [stderr]      |
[INFO] [stderr] 1456 | pub const RUBY_SYMBOL_FLAG: ::libc::c_uint = 12;
[INFO] [stderr]      |                             ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1457:31
[INFO] [stderr]      |
[INFO] [stderr] 1457 | pub const RUBY_SPECIAL_SHIFT: ::libc::c_uint = 8;
[INFO] [stderr]      |                               ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1458:33
[INFO] [stderr]      |
[INFO] [stderr] 1458 | pub type Enum_ruby_value_type = ::libc::c_uint;
[INFO] [stderr]      |                                 ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1459:24
[INFO] [stderr]      |
[INFO] [stderr] 1459 | pub const RUBY_T_NONE: ::libc::c_uint = 0;
[INFO] [stderr]      |                        ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1460:26
[INFO] [stderr]      |
[INFO] [stderr] 1460 | pub const RUBY_T_OBJECT: ::libc::c_uint = 1;
[INFO] [stderr]      |                          ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1461:25
[INFO] [stderr]      |
[INFO] [stderr] 1461 | pub const RUBY_T_CLASS: ::libc::c_uint = 2;
[INFO] [stderr]      |                         ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1462:26
[INFO] [stderr]      |
[INFO] [stderr] 1462 | pub const RUBY_T_MODULE: ::libc::c_uint = 3;
[INFO] [stderr]      |                          ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1463:25
[INFO] [stderr]      |
[INFO] [stderr] 1463 | pub const RUBY_T_FLOAT: ::libc::c_uint = 4;
[INFO] [stderr]      |                         ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1464:26
[INFO] [stderr]      |
[INFO] [stderr] 1464 | pub const RUBY_T_STRING: ::libc::c_uint = 5;
[INFO] [stderr]      |                          ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1465:26
[INFO] [stderr]      |
[INFO] [stderr] 1465 | pub const RUBY_T_REGEXP: ::libc::c_uint = 6;
[INFO] [stderr]      |                          ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1466:25
[INFO] [stderr]      |
[INFO] [stderr] 1466 | pub const RUBY_T_ARRAY: ::libc::c_uint = 7;
[INFO] [stderr]      |                         ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1467:24
[INFO] [stderr]      |
[INFO] [stderr] 1467 | pub const RUBY_T_HASH: ::libc::c_uint = 8;
[INFO] [stderr]      |                        ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1468:26
[INFO] [stderr]      |
[INFO] [stderr] 1468 | pub const RUBY_T_STRUCT: ::libc::c_uint = 9;
[INFO] [stderr]      |                          ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1469:26
[INFO] [stderr]      |
[INFO] [stderr] 1469 | pub const RUBY_T_BIGNUM: ::libc::c_uint = 10;
[INFO] [stderr]      |                          ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1470:24
[INFO] [stderr]      |
[INFO] [stderr] 1470 | pub const RUBY_T_FILE: ::libc::c_uint = 11;
[INFO] [stderr]      |                        ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1471:24
[INFO] [stderr]      |
[INFO] [stderr] 1471 | pub const RUBY_T_DATA: ::libc::c_uint = 12;
[INFO] [stderr]      |                        ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1472:25
[INFO] [stderr]      |
[INFO] [stderr] 1472 | pub const RUBY_T_MATCH: ::libc::c_uint = 13;
[INFO] [stderr]      |                         ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1473:27
[INFO] [stderr]      |
[INFO] [stderr] 1473 | pub const RUBY_T_COMPLEX: ::libc::c_uint = 14;
[INFO] [stderr]      |                           ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1474:28
[INFO] [stderr]      |
[INFO] [stderr] 1474 | pub const RUBY_T_RATIONAL: ::libc::c_uint = 15;
[INFO] [stderr]      |                            ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1475:23
[INFO] [stderr]      |
[INFO] [stderr] 1475 | pub const RUBY_T_NIL: ::libc::c_uint = 17;
[INFO] [stderr]      |                       ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1476:24
[INFO] [stderr]      |
[INFO] [stderr] 1476 | pub const RUBY_T_TRUE: ::libc::c_uint = 18;
[INFO] [stderr]      |                        ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1477:25
[INFO] [stderr]      |
[INFO] [stderr] 1477 | pub const RUBY_T_FALSE: ::libc::c_uint = 19;
[INFO] [stderr]      |                         ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1478:26
[INFO] [stderr]      |
[INFO] [stderr] 1478 | pub const RUBY_T_SYMBOL: ::libc::c_uint = 20;
[INFO] [stderr]      |                          ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1479:26
[INFO] [stderr]      |
[INFO] [stderr] 1479 | pub const RUBY_T_FIXNUM: ::libc::c_uint = 21;
[INFO] [stderr]      |                          ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1480:25
[INFO] [stderr]      |
[INFO] [stderr] 1480 | pub const RUBY_T_UNDEF: ::libc::c_uint = 27;
[INFO] [stderr]      |                         ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1481:24
[INFO] [stderr]      |
[INFO] [stderr] 1481 | pub const RUBY_T_NODE: ::libc::c_uint = 28;
[INFO] [stderr]      |                        ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1482:26
[INFO] [stderr]      |
[INFO] [stderr] 1482 | pub const RUBY_T_ICLASS: ::libc::c_uint = 29;
[INFO] [stderr]      |                          ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1483:26
[INFO] [stderr]      |
[INFO] [stderr] 1483 | pub const RUBY_T_ZOMBIE: ::libc::c_uint = 30;
[INFO] [stderr]      |                          ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1484:24
[INFO] [stderr]      |
[INFO] [stderr] 1484 | pub const RUBY_T_MASK: ::libc::c_uint = 31;
[INFO] [stderr]      |                        ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1839:39
[INFO] [stderr]      |
[INFO] [stderr] 1839 |     unsafe extern "C" fn(arg1: *const ::libc::c_char, arg2: VALUE,
[INFO] [stderr]      |                                       ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1840:56
[INFO] [stderr]      |
[INFO] [stderr] 1840 |                          arg3: *mut ::libc::c_void) -> ::libc::c_int;
[INFO] [stderr]      |                                                        ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1851:32
[INFO] [stderr]      |
[INFO] [stderr] 1851 |                          argc: ::libc::c_int, argv: *const VALUE,
[INFO] [stderr]      |                                ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1855:22
[INFO] [stderr]      |
[INFO] [stderr] 1855 | pub type st_data_t = ::libc::c_ulong;
[INFO] [stderr]      |                      ^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1859:56
[INFO] [stderr]      |
[INFO] [stderr] 1859 |     extern "C" fn(arg1: st_data_t, arg2: st_data_t) -> ::libc::c_int;
[INFO] [stderr]      |                                                        ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1861:44
[INFO] [stderr]      |
[INFO] [stderr] 1861 | pub type st_check_for_sizeof_st_index_t = [::libc::c_char; 1usize];
[INFO] [stderr]      |                                            ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1937:27
[INFO] [stderr]      |
[INFO] [stderr] 1937 | pub type Enum_st_retval = ::libc::c_uint;
[INFO] [stderr]      |                           ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1938:24
[INFO] [stderr]      |
[INFO] [stderr] 1938 | pub const ST_CONTINUE: ::libc::c_uint = 0;
[INFO] [stderr]      |                        ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1939:20
[INFO] [stderr]      |
[INFO] [stderr] 1939 | pub const ST_STOP: ::libc::c_uint = 1;
[INFO] [stderr]      |                    ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1940:22
[INFO] [stderr]      |
[INFO] [stderr] 1940 | pub const ST_DELETE: ::libc::c_uint = 2;
[INFO] [stderr]      |                      ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1941:21
[INFO] [stderr]      |
[INFO] [stderr] 1941 | pub const ST_CHECK: ::libc::c_uint = 3;
[INFO] [stderr]      |                     ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1944:52
[INFO] [stderr]      |
[INFO] [stderr] 1944 |                          arg: st_data_t, existing: ::libc::c_int)
[INFO] [stderr]      |                                                    ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1945:12
[INFO] [stderr]      |
[INFO] [stderr] 1945 |         -> ::libc::c_int;
[INFO] [stderr]      |            ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1995:26
[INFO] [stderr]      |
[INFO] [stderr] 1995 |     pub static sys_nerr: ::libc::c_int;
[INFO] [stderr]      |                          ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1996:47
[INFO] [stderr]      |
[INFO] [stderr] 1996 |     pub static mut sys_errlist: *const *const ::libc::c_char;
[INFO] [stderr]      |                                               ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1997:34
[INFO] [stderr]      |
[INFO] [stderr] 1997 |     pub static mut __mb_cur_max: ::libc::c_int;
[INFO] [stderr]      |                                  ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1998:36
[INFO] [stderr]      |
[INFO] [stderr] 1998 |     pub static mut suboptarg: *mut ::libc::c_char;
[INFO] [stderr]      |                                    ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1999:33
[INFO] [stderr]      |
[INFO] [stderr] 1999 |     pub static mut optarg: *mut ::libc::c_char;
[INFO] [stderr]      |                                 ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2000:28
[INFO] [stderr]      |
[INFO] [stderr] 2000 |     pub static mut optind: ::libc::c_int;
[INFO] [stderr]      |                            ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2001:28
[INFO] [stderr]      |
[INFO] [stderr] 2001 |     pub static mut opterr: ::libc::c_int;
[INFO] [stderr]      |                            ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2002:28
[INFO] [stderr]      |
[INFO] [stderr] 2002 |     pub static mut optopt: ::libc::c_int;
[INFO] [stderr]      |                            ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2003:30
[INFO] [stderr]      |
[INFO] [stderr] 2003 |     pub static mut optreset: ::libc::c_int;
[INFO] [stderr]      |                              ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2004:29
[INFO] [stderr]      |
[INFO] [stderr] 2004 |     pub static mut signgam: ::libc::c_int;
[INFO] [stderr]      |                             ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2094:37
[INFO] [stderr]      |
[INFO] [stderr] 2094 |     pub static mut ruby_sourceline: ::libc::c_int;
[INFO] [stderr]      |                                     ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2095:42
[INFO] [stderr]      |
[INFO] [stderr] 2095 |     pub static mut ruby_sourcefile: *mut ::libc::c_char;
[INFO] [stderr]      |                                          ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2100:27
[INFO] [stderr]      |
[INFO] [stderr] 2100 |     pub fn renameat(arg1: ::libc::c_int, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                           ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2100:55
[INFO] [stderr]      |
[INFO] [stderr] 2100 |     pub fn renameat(arg1: ::libc::c_int, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                                                       ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2101:27
[INFO] [stderr]      |
[INFO] [stderr] 2101 |                     arg3: ::libc::c_int, arg4: *const ::libc::c_char)
[INFO] [stderr]      |                           ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2101:55
[INFO] [stderr]      |
[INFO] [stderr] 2101 |                     arg3: ::libc::c_int, arg4: *const ::libc::c_char)
[INFO] [stderr]      |                                                       ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2102:9
[INFO] [stderr]      |
[INFO] [stderr] 2102 |      -> ::libc::c_int;
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2104:39
[INFO] [stderr]      |
[INFO] [stderr] 2104 |     pub fn fclose(arg1: *mut FILE) -> ::libc::c_int;
[INFO] [stderr]      |                                       ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2105:37
[INFO] [stderr]      |
[INFO] [stderr] 2105 |     pub fn feof(arg1: *mut FILE) -> ::libc::c_int;
[INFO] [stderr]      |                                     ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2106:39
[INFO] [stderr]      |
[INFO] [stderr] 2106 |     pub fn ferror(arg1: *mut FILE) -> ::libc::c_int;
[INFO] [stderr]      |                                       ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2107:39
[INFO] [stderr]      |
[INFO] [stderr] 2107 |     pub fn fflush(arg1: *mut FILE) -> ::libc::c_int;
[INFO] [stderr]      |                                       ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2108:38
[INFO] [stderr]      |
[INFO] [stderr] 2108 |     pub fn fgetc(arg1: *mut FILE) -> ::libc::c_int;
[INFO] [stderr]      |                                      ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2109:59
[INFO] [stderr]      |
[INFO] [stderr] 2109 |     pub fn fgetpos(arg1: *mut FILE, arg2: *mut fpos_t) -> ::libc::c_int;
[INFO] [stderr]      |                                                           ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2110:29
[INFO] [stderr]      |
[INFO] [stderr] 2110 |     pub fn fgets(arg1: *mut ::libc::c_char, arg2: ::libc::c_int,
[INFO] [stderr]      |                             ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2110:51
[INFO] [stderr]      |
[INFO] [stderr] 2110 |     pub fn fgets(arg1: *mut ::libc::c_char, arg2: ::libc::c_int,
[INFO] [stderr]      |                                                   ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2111:43
[INFO] [stderr]      |
[INFO] [stderr] 2111 |                  arg3: *mut FILE) -> *mut ::libc::c_char;
[INFO] [stderr]      |                                           ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2112:31
[INFO] [stderr]      |
[INFO] [stderr] 2112 |     pub fn fopen(arg1: *const ::libc::c_char, arg2: *const ::libc::c_char)
[INFO] [stderr]      |                               ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2112:60
[INFO] [stderr]      |
[INFO] [stderr] 2112 |     pub fn fopen(arg1: *const ::libc::c_char, arg2: *const ::libc::c_char)
[INFO] [stderr]      |                                                            ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2114:50
[INFO] [stderr]      |
[INFO] [stderr] 2114 |     pub fn fprintf(arg1: *mut FILE, arg2: *const ::libc::c_char, ...)
[INFO] [stderr]      |                                                  ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2115:9
[INFO] [stderr]      |
[INFO] [stderr] 2115 |      -> ::libc::c_int;
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2116:24
[INFO] [stderr]      |
[INFO] [stderr] 2116 |     pub fn fputc(arg1: ::libc::c_int, arg2: *mut FILE) -> ::libc::c_int;
[INFO] [stderr]      |                        ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2116:59
[INFO] [stderr]      |
[INFO] [stderr] 2116 |     pub fn fputc(arg1: ::libc::c_int, arg2: *mut FILE) -> ::libc::c_int;
[INFO] [stderr]      |                                                           ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2117:31
[INFO] [stderr]      |
[INFO] [stderr] 2117 |     pub fn fputs(arg1: *const ::libc::c_char, arg2: *mut FILE)
[INFO] [stderr]      |                               ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2118:9
[INFO] [stderr]      |
[INFO] [stderr] 2118 |      -> ::libc::c_int;
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2121:33
[INFO] [stderr]      |
[INFO] [stderr] 2121 |     pub fn freopen(arg1: *const ::libc::c_char, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                                 ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2121:62
[INFO] [stderr]      |
[INFO] [stderr] 2121 |     pub fn freopen(arg1: *const ::libc::c_char, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                                                              ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2123:49
[INFO] [stderr]      |
[INFO] [stderr] 2123 |     pub fn fscanf(arg1: *mut FILE, arg2: *const ::libc::c_char, ...)
[INFO] [stderr]      |                                                 ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2124:9
[INFO] [stderr]      |
[INFO] [stderr] 2124 |      -> ::libc::c_int;
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2125:41
[INFO] [stderr]      |
[INFO] [stderr] 2125 |     pub fn fseek(arg1: *mut FILE, arg2: ::libc::c_long, arg3: ::libc::c_int)
[INFO] [stderr]      |                                         ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2125:63
[INFO] [stderr]      |
[INFO] [stderr] 2125 |     pub fn fseek(arg1: *mut FILE, arg2: ::libc::c_long, arg3: ::libc::c_int)
[INFO] [stderr]      |                                                               ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2126:9
[INFO] [stderr]      |
[INFO] [stderr] 2126 |      -> ::libc::c_int;
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2127:61
[INFO] [stderr]      |
[INFO] [stderr] 2127 |     pub fn fsetpos(arg1: *mut FILE, arg2: *const fpos_t) -> ::libc::c_int;
[INFO] [stderr]      |                                                             ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2128:38
[INFO] [stderr]      |
[INFO] [stderr] 2128 |     pub fn ftell(arg1: *mut FILE) -> ::libc::c_long;
[INFO] [stderr]      |                                      ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2131:37
[INFO] [stderr]      |
[INFO] [stderr] 2131 |     pub fn getc(arg1: *mut FILE) -> ::libc::c_int;
[INFO] [stderr]      |                                     ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2132:25
[INFO] [stderr]      |
[INFO] [stderr] 2132 |     pub fn getchar() -> ::libc::c_int;
[INFO] [stderr]      |                         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2133:28
[INFO] [stderr]      |
[INFO] [stderr] 2133 |     pub fn gets(arg1: *mut ::libc::c_char) -> *mut ::libc::c_char;
[INFO] [stderr]      |                            ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2133:52
[INFO] [stderr]      |
[INFO] [stderr] 2133 |     pub fn gets(arg1: *mut ::libc::c_char) -> *mut ::libc::c_char;
[INFO] [stderr]      |                                                    ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2134:32
[INFO] [stderr]      |
[INFO] [stderr] 2134 |     pub fn perror(arg1: *const ::libc::c_char) -> ();
[INFO] [stderr]      |                                ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2135:32
[INFO] [stderr]      |
[INFO] [stderr] 2135 |     pub fn printf(arg1: *const ::libc::c_char, ...) -> ::libc::c_int;
[INFO] [stderr]      |                                ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2135:56
[INFO] [stderr]      |
[INFO] [stderr] 2135 |     pub fn printf(arg1: *const ::libc::c_char, ...) -> ::libc::c_int;
[INFO] [stderr]      |                                                        ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2136:23
[INFO] [stderr]      |
[INFO] [stderr] 2136 |     pub fn putc(arg1: ::libc::c_int, arg2: *mut FILE) -> ::libc::c_int;
[INFO] [stderr]      |                       ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2136:58
[INFO] [stderr]      |
[INFO] [stderr] 2136 |     pub fn putc(arg1: ::libc::c_int, arg2: *mut FILE) -> ::libc::c_int;
[INFO] [stderr]      |                                                          ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2137:26
[INFO] [stderr]      |
[INFO] [stderr] 2137 |     pub fn putchar(arg1: ::libc::c_int) -> ::libc::c_int;
[INFO] [stderr]      |                          ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2137:44
[INFO] [stderr]      |
[INFO] [stderr] 2137 |     pub fn putchar(arg1: ::libc::c_int) -> ::libc::c_int;
[INFO] [stderr]      |                                            ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2138:30
[INFO] [stderr]      |
[INFO] [stderr] 2138 |     pub fn puts(arg1: *const ::libc::c_char) -> ::libc::c_int;
[INFO] [stderr]      |                              ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2138:49
[INFO] [stderr]      |
[INFO] [stderr] 2138 |     pub fn puts(arg1: *const ::libc::c_char) -> ::libc::c_int;
[INFO] [stderr]      |                                                 ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2139:32
[INFO] [stderr]      |
[INFO] [stderr] 2139 |     pub fn remove(arg1: *const ::libc::c_char) -> ::libc::c_int;
[INFO] [stderr]      |                                ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2139:51
[INFO] [stderr]      |
[INFO] [stderr] 2139 |     pub fn remove(arg1: *const ::libc::c_char) -> ::libc::c_int;
[INFO] [stderr]      |                                                   ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2140:32
[INFO] [stderr]      |
[INFO] [stderr] 2140 |     pub fn rename(arg1: *const ::libc::c_char, arg2: *const ::libc::c_char)
[INFO] [stderr]      |                                ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2140:61
[INFO] [stderr]      |
[INFO] [stderr] 2140 |     pub fn rename(arg1: *const ::libc::c_char, arg2: *const ::libc::c_char)
[INFO] [stderr]      |                                                             ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2141:9
[INFO] [stderr]      |
[INFO] [stderr] 2141 |      -> ::libc::c_int;
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2143:31
[INFO] [stderr]      |
[INFO] [stderr] 2143 |     pub fn scanf(arg1: *const ::libc::c_char, ...) -> ::libc::c_int;
[INFO] [stderr]      |                               ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2143:55
[INFO] [stderr]      |
[INFO] [stderr] 2143 |     pub fn scanf(arg1: *const ::libc::c_char, ...) -> ::libc::c_int;
[INFO] [stderr]      |                                                       ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2144:47
[INFO] [stderr]      |
[INFO] [stderr] 2144 |     pub fn setbuf(arg1: *mut FILE, arg2: *mut ::libc::c_char) -> ();
[INFO] [stderr]      |                                               ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2145:48
[INFO] [stderr]      |
[INFO] [stderr] 2145 |     pub fn setvbuf(arg1: *mut FILE, arg2: *mut ::libc::c_char,
[INFO] [stderr]      |                                                ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2146:26
[INFO] [stderr]      |
[INFO] [stderr] 2146 |                    arg3: ::libc::c_int, arg4: size_t) -> ::libc::c_int;
[INFO] [stderr]      |                          ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2146:58
[INFO] [stderr]      |
[INFO] [stderr] 2146 |                    arg3: ::libc::c_int, arg4: size_t) -> ::libc::c_int;
[INFO] [stderr]      |                                                          ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2147:31
[INFO] [stderr]      |
[INFO] [stderr] 2147 |     pub fn sprintf(arg1: *mut ::libc::c_char,
[INFO] [stderr]      |                               ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2148:33
[INFO] [stderr]      |
[INFO] [stderr] 2148 |                    arg2: *const ::libc::c_char, ...) -> ::libc::c_int;
[INFO] [stderr]      |                                 ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2148:57
[INFO] [stderr]      |
[INFO] [stderr] 2148 |                    arg2: *const ::libc::c_char, ...) -> ::libc::c_int;
[INFO] [stderr]      |                                                         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2149:32
[INFO] [stderr]      |
[INFO] [stderr] 2149 |     pub fn sscanf(arg1: *const ::libc::c_char,
[INFO] [stderr]      |                                ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2150:32
[INFO] [stderr]      |
[INFO] [stderr] 2150 |                   arg2: *const ::libc::c_char, ...) -> ::libc::c_int;
[INFO] [stderr]      |                                ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2150:56
[INFO] [stderr]      |
[INFO] [stderr] 2150 |                   arg2: *const ::libc::c_char, ...) -> ::libc::c_int;
[INFO] [stderr]      |                                                        ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2152:30
[INFO] [stderr]      |
[INFO] [stderr] 2152 |     pub fn tmpnam(arg1: *mut ::libc::c_char) -> *mut ::libc::c_char;
[INFO] [stderr]      |                              ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2152:54
[INFO] [stderr]      |
[INFO] [stderr] 2152 |     pub fn tmpnam(arg1: *mut ::libc::c_char) -> *mut ::libc::c_char;
[INFO] [stderr]      |                                                      ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2153:25
[INFO] [stderr]      |
[INFO] [stderr] 2153 |     pub fn ungetc(arg1: ::libc::c_int, arg2: *mut FILE) -> ::libc::c_int;
[INFO] [stderr]      |                         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2153:60
[INFO] [stderr]      |
[INFO] [stderr] 2153 |     pub fn ungetc(arg1: ::libc::c_int, arg2: *mut FILE) -> ::libc::c_int;
[INFO] [stderr]      |                                                            ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2154:51
[INFO] [stderr]      |
[INFO] [stderr] 2154 |     pub fn vfprintf(arg1: *mut FILE, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                                                   ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2155:39
[INFO] [stderr]      |
[INFO] [stderr] 2155 |                     arg3: va_list) -> ::libc::c_int;
[INFO] [stderr]      |                                       ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2156:33
[INFO] [stderr]      |
[INFO] [stderr] 2156 |     pub fn vprintf(arg1: *const ::libc::c_char, arg2: va_list)
[INFO] [stderr]      |                                 ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2157:9
[INFO] [stderr]      |
[INFO] [stderr] 2157 |      -> ::libc::c_int;
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2158:32
[INFO] [stderr]      |
[INFO] [stderr] 2158 |     pub fn vsprintf(arg1: *mut ::libc::c_char, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                                ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2158:61
[INFO] [stderr]      |
[INFO] [stderr] 2158 |     pub fn vsprintf(arg1: *mut ::libc::c_char, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                                                             ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2159:39
[INFO] [stderr]      |
[INFO] [stderr] 2159 |                     arg3: va_list) -> ::libc::c_int;
[INFO] [stderr]      |                                       ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2160:31
[INFO] [stderr]      |
[INFO] [stderr] 2160 |     pub fn ctermid(arg1: *mut ::libc::c_char) -> *mut ::libc::c_char;
[INFO] [stderr]      |                               ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2160:55
[INFO] [stderr]      |
[INFO] [stderr] 2160 |     pub fn ctermid(arg1: *mut ::libc::c_char) -> *mut ::libc::c_char;
[INFO] [stderr]      |                                                       ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2161:25
[INFO] [stderr]      |
[INFO] [stderr] 2161 |     pub fn fdopen(arg1: ::libc::c_int, arg2: *const ::libc::c_char)
[INFO] [stderr]      |                         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2161:53
[INFO] [stderr]      |
[INFO] [stderr] 2161 |     pub fn fdopen(arg1: ::libc::c_int, arg2: *const ::libc::c_char)
[INFO] [stderr]      |                                                     ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2163:39
[INFO] [stderr]      |
[INFO] [stderr] 2163 |     pub fn fileno(arg1: *mut FILE) -> ::libc::c_int;
[INFO] [stderr]      |                                       ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2164:39
[INFO] [stderr]      |
[INFO] [stderr] 2164 |     pub fn pclose(arg1: *mut FILE) -> ::libc::c_int;
[INFO] [stderr]      |                                       ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2165:31
[INFO] [stderr]      |
[INFO] [stderr] 2165 |     pub fn popen(arg1: *const ::libc::c_char, arg2: *const ::libc::c_char)
[INFO] [stderr]      |                               ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2165:60
[INFO] [stderr]      |
[INFO] [stderr] 2165 |     pub fn popen(arg1: *const ::libc::c_char, arg2: *const ::libc::c_char)
[INFO] [stderr]      |                                                            ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2167:40
[INFO] [stderr]      |
[INFO] [stderr] 2167 |     pub fn __srget(arg1: *mut FILE) -> ::libc::c_int;
[INFO] [stderr]      |                                        ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2168:53
[INFO] [stderr]      |
[INFO] [stderr] 2168 |     pub fn __svfscanf(arg1: *mut FILE, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                                                     ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2169:41
[INFO] [stderr]      |
[INFO] [stderr] 2169 |                       arg3: va_list) -> ::libc::c_int;
[INFO] [stderr]      |                                         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2170:26
[INFO] [stderr]      |
[INFO] [stderr] 2170 |     pub fn __swbuf(arg1: ::libc::c_int, arg2: *mut FILE) -> ::libc::c_int;
[INFO] [stderr]      |                          ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2170:61
[INFO] [stderr]      |
[INFO] [stderr] 2170 |     pub fn __swbuf(arg1: ::libc::c_int, arg2: *mut FILE) -> ::libc::c_int;
[INFO] [stderr]      |                                                             ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2171:24
[INFO] [stderr]      |
[INFO] [stderr] 2171 |     pub fn __sputc(_c: ::libc::c_int, _p: *mut FILE) -> ::libc::c_int;
[INFO] [stderr]      |                        ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2171:57
[INFO] [stderr]      |
[INFO] [stderr] 2171 |     pub fn __sputc(_c: ::libc::c_int, _p: *mut FILE) -> ::libc::c_int;
[INFO] [stderr]      |                                                         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2173:45
[INFO] [stderr]      |
[INFO] [stderr] 2173 |     pub fn ftrylockfile(arg1: *mut FILE) -> ::libc::c_int;
[INFO] [stderr]      |                                             ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2175:46
[INFO] [stderr]      |
[INFO] [stderr] 2175 |     pub fn getc_unlocked(arg1: *mut FILE) -> ::libc::c_int;
[INFO] [stderr]      |                                              ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2176:34
[INFO] [stderr]      |
[INFO] [stderr] 2176 |     pub fn getchar_unlocked() -> ::libc::c_int;
[INFO] [stderr]      |                                  ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2177:32
[INFO] [stderr]      |
[INFO] [stderr] 2177 |     pub fn putc_unlocked(arg1: ::libc::c_int, arg2: *mut FILE)
[INFO] [stderr]      |                                ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2178:9
[INFO] [stderr]      |
[INFO] [stderr] 2178 |      -> ::libc::c_int;
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2179:35
[INFO] [stderr]      |
[INFO] [stderr] 2179 |     pub fn putchar_unlocked(arg1: ::libc::c_int) -> ::libc::c_int;
[INFO] [stderr]      |                                   ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2179:53
[INFO] [stderr]      |
[INFO] [stderr] 2179 |     pub fn putchar_unlocked(arg1: ::libc::c_int) -> ::libc::c_int;
[INFO] [stderr]      |                                                     ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2180:37
[INFO] [stderr]      |
[INFO] [stderr] 2180 |     pub fn getw(arg1: *mut FILE) -> ::libc::c_int;
[INFO] [stderr]      |                                     ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2181:23
[INFO] [stderr]      |
[INFO] [stderr] 2181 |     pub fn putw(arg1: ::libc::c_int, arg2: *mut FILE) -> ::libc::c_int;
[INFO] [stderr]      |                       ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2181:58
[INFO] [stderr]      |
[INFO] [stderr] 2181 |     pub fn putw(arg1: ::libc::c_int, arg2: *mut FILE) -> ::libc::c_int;
[INFO] [stderr]      |                                                          ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2182:33
[INFO] [stderr]      |
[INFO] [stderr] 2182 |     pub fn tempnam(arg1: *const ::libc::c_char, arg2: *const ::libc::c_char)
[INFO] [stderr]      |                                 ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2182:62
[INFO] [stderr]      |
[INFO] [stderr] 2182 |     pub fn tempnam(arg1: *const ::libc::c_char, arg2: *const ::libc::c_char)
[INFO] [stderr]      |                                                              ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2183:14
[INFO] [stderr]      |
[INFO] [stderr] 2183 |      -> *mut ::libc::c_char;
[INFO] [stderr]      |              ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2184:55
[INFO] [stderr]      |
[INFO] [stderr] 2184 |     pub fn fseeko(arg1: *mut FILE, arg2: off_t, arg3: ::libc::c_int)
[INFO] [stderr]      |                                                       ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2185:9
[INFO] [stderr]      |
[INFO] [stderr] 2185 |      -> ::libc::c_int;
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2187:32
[INFO] [stderr]      |
[INFO] [stderr] 2187 |     pub fn snprintf(arg1: *mut ::libc::c_char, arg2: size_t,
[INFO] [stderr]      |                                ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2188:34
[INFO] [stderr]      |
[INFO] [stderr] 2188 |                     arg3: *const ::libc::c_char, ...) -> ::libc::c_int;
[INFO] [stderr]      |                                  ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2188:58
[INFO] [stderr]      |
[INFO] [stderr] 2188 |                     arg3: *const ::libc::c_char, ...) -> ::libc::c_int;
[INFO] [stderr]      |                                                          ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2189:50
[INFO] [stderr]      |
[INFO] [stderr] 2189 |     pub fn vfscanf(arg1: *mut FILE, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                                                  ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2190:38
[INFO] [stderr]      |
[INFO] [stderr] 2190 |                    arg3: va_list) -> ::libc::c_int;
[INFO] [stderr]      |                                      ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2191:32
[INFO] [stderr]      |
[INFO] [stderr] 2191 |     pub fn vscanf(arg1: *const ::libc::c_char, arg2: va_list)
[INFO] [stderr]      |                                ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2192:9
[INFO] [stderr]      |
[INFO] [stderr] 2192 |      -> ::libc::c_int;
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2193:33
[INFO] [stderr]      |
[INFO] [stderr] 2193 |     pub fn vsnprintf(arg1: *mut ::libc::c_char, arg2: size_t,
[INFO] [stderr]      |                                 ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2194:35
[INFO] [stderr]      |
[INFO] [stderr] 2194 |                      arg3: *const ::libc::c_char, arg4: va_list)
[INFO] [stderr]      |                                   ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2195:9
[INFO] [stderr]      |
[INFO] [stderr] 2195 |      -> ::libc::c_int;
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2196:33
[INFO] [stderr]      |
[INFO] [stderr] 2196 |     pub fn vsscanf(arg1: *const ::libc::c_char, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                                 ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2196:62
[INFO] [stderr]      |
[INFO] [stderr] 2196 |     pub fn vsscanf(arg1: *const ::libc::c_char, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                                                              ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2197:38
[INFO] [stderr]      |
[INFO] [stderr] 2197 |                    arg3: va_list) -> ::libc::c_int;
[INFO] [stderr]      |                                      ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2198:26
[INFO] [stderr]      |
[INFO] [stderr] 2198 |     pub fn dprintf(arg1: ::libc::c_int, arg2: *const ::libc::c_char, ...)
[INFO] [stderr]      |                          ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2198:54
[INFO] [stderr]      |
[INFO] [stderr] 2198 |     pub fn dprintf(arg1: ::libc::c_int, arg2: *const ::libc::c_char, ...)
[INFO] [stderr]      |                                                      ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2199:9
[INFO] [stderr]      |
[INFO] [stderr] 2199 |      -> ::libc::c_int;
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2200:27
[INFO] [stderr]      |
[INFO] [stderr] 2200 |     pub fn vdprintf(arg1: ::libc::c_int, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                           ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2200:55
[INFO] [stderr]      |
[INFO] [stderr] 2200 |     pub fn vdprintf(arg1: ::libc::c_int, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                                                       ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2201:39
[INFO] [stderr]      |
[INFO] [stderr] 2201 |                     arg3: va_list) -> ::libc::c_int;
[INFO] [stderr]      |                                       ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2202:37
[INFO] [stderr]      |
[INFO] [stderr] 2202 |     pub fn getdelim(arg1: *mut *mut ::libc::c_char, arg2: *mut size_t,
[INFO] [stderr]      |                                     ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2203:27
[INFO] [stderr]      |
[INFO] [stderr] 2203 |                     arg3: ::libc::c_int, arg4: *mut FILE) -> ssize_t;
[INFO] [stderr]      |                           ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2204:36
[INFO] [stderr]      |
[INFO] [stderr] 2204 |     pub fn getline(arg1: *mut *mut ::libc::c_char, arg2: *mut size_t,
[INFO] [stderr]      |                                    ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2206:37
[INFO] [stderr]      |
[INFO] [stderr] 2206 |     pub fn asprintf(arg1: *mut *mut ::libc::c_char,
[INFO] [stderr]      |                                     ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2207:34
[INFO] [stderr]      |
[INFO] [stderr] 2207 |                     arg2: *const ::libc::c_char, ...) -> ::libc::c_int;
[INFO] [stderr]      |                                  ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2207:58
[INFO] [stderr]      |
[INFO] [stderr] 2207 |                     arg2: *const ::libc::c_char, ...) -> ::libc::c_int;
[INFO] [stderr]      |                                                          ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2208:33
[INFO] [stderr]      |
[INFO] [stderr] 2208 |     pub fn ctermid_r(arg1: *mut ::libc::c_char) -> *mut ::libc::c_char;
[INFO] [stderr]      |                                 ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2208:57
[INFO] [stderr]      |
[INFO] [stderr] 2208 |     pub fn ctermid_r(arg1: *mut ::libc::c_char) -> *mut ::libc::c_char;
[INFO] [stderr]      |                                                         ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2209:63
[INFO] [stderr]      |
[INFO] [stderr] 2209 |     pub fn fgetln(arg1: *mut FILE, arg2: *mut size_t) -> *mut ::libc::c_char;
[INFO] [stderr]      |                                                               ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2210:34
[INFO] [stderr]      |
[INFO] [stderr] 2210 |     pub fn fmtcheck(arg1: *const ::libc::c_char, arg2: *const ::libc::c_char)
[INFO] [stderr]      |                                  ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2210:63
[INFO] [stderr]      |
[INFO] [stderr] 2210 |     pub fn fmtcheck(arg1: *const ::libc::c_char, arg2: *const ::libc::c_char)
[INFO] [stderr]      |                                                               ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2211:16
[INFO] [stderr]      |
[INFO] [stderr] 2211 |      -> *const ::libc::c_char;
[INFO] [stderr]      |                ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2212:39
[INFO] [stderr]      |
[INFO] [stderr] 2212 |     pub fn fpurge(arg1: *mut FILE) -> ::libc::c_int;
[INFO] [stderr]      |                                       ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2213:50
[INFO] [stderr]      |
[INFO] [stderr] 2213 |     pub fn setbuffer(arg1: *mut FILE, arg2: *mut ::libc::c_char,
[INFO] [stderr]      |                                                  ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2214:28
[INFO] [stderr]      |
[INFO] [stderr] 2214 |                      arg3: ::libc::c_int) -> ();
[INFO] [stderr]      |                            ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2215:43
[INFO] [stderr]      |
[INFO] [stderr] 2215 |     pub fn setlinebuf(arg1: *mut FILE) -> ::libc::c_int;
[INFO] [stderr]      |                                           ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2216:38
[INFO] [stderr]      |
[INFO] [stderr] 2216 |     pub fn vasprintf(arg1: *mut *mut ::libc::c_char,
[INFO] [stderr]      |                                      ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2217:35
[INFO] [stderr]      |
[INFO] [stderr] 2217 |                      arg2: *const ::libc::c_char, arg3: va_list)
[INFO] [stderr]      |                                   ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2218:9
[INFO] [stderr]      |
[INFO] [stderr] 2218 |      -> ::libc::c_int;
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2219:31
[INFO] [stderr]      |
[INFO] [stderr] 2219 |     pub fn zopen(arg1: *const ::libc::c_char, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                               ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2219:60
[INFO] [stderr]      |
[INFO] [stderr] 2219 |     pub fn zopen(arg1: *const ::libc::c_char, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                                                            ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2220:24
[INFO] [stderr]      |
[INFO] [stderr] 2220 |                  arg3: ::libc::c_int) -> *mut FILE;
[INFO] [stderr]      |                        ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2226:76
[INFO] [stderr]      |
[INFO] [stderr] 2226 | ...                   *mut ::libc::c_char,
[INFO] [stderr]      |                            ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2228:71
[INFO] [stderr]      |
[INFO] [stderr] 2228 | ...                   ::libc::c_int)
[INFO] [stderr]      |                       ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2229:53
[INFO] [stderr]      |
[INFO] [stderr] 2229 | ...                   -> ::libc::c_int>,
[INFO] [stderr]      |                          ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2234:78
[INFO] [stderr]      |
[INFO] [stderr] 2234 | ...                   *const ::libc::c_char,
[INFO] [stderr]      |                              ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2236:71
[INFO] [stderr]      |
[INFO] [stderr] 2236 | ...                   ::libc::c_int)
[INFO] [stderr]      |                       ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2237:53
[INFO] [stderr]      |
[INFO] [stderr] 2237 | ...                   -> ::libc::c_int>,
[INFO] [stderr]      |                          ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2244:71
[INFO] [stderr]      |
[INFO] [stderr] 2244 | ...                   ::libc::c_int)
[INFO] [stderr]      |                       ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2249:53
[INFO] [stderr]      |
[INFO] [stderr] 2249 | ...                   -> ::libc::c_int>)
[INFO] [stderr]      |                          ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2251:37
[INFO] [stderr]      |
[INFO] [stderr] 2251 |     pub fn __sprintf_chk(arg1: *mut ::libc::c_char, arg2: ::libc::c_int,
[INFO] [stderr]      |                                     ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2251:59
[INFO] [stderr]      |
[INFO] [stderr] 2251 |     pub fn __sprintf_chk(arg1: *mut ::libc::c_char, arg2: ::libc::c_int,
[INFO] [stderr]      |                                                           ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2252:53
[INFO] [stderr]      |
[INFO] [stderr] 2252 |                          arg3: size_t, arg4: *const ::libc::c_char, ...)
[INFO] [stderr]      |                                                     ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2253:9
[INFO] [stderr]      |
[INFO] [stderr] 2253 |      -> ::libc::c_int;
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2254:38
[INFO] [stderr]      |
[INFO] [stderr] 2254 |     pub fn __snprintf_chk(arg1: *mut ::libc::c_char, arg2: size_t,
[INFO] [stderr]      |                                      ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2255:33
[INFO] [stderr]      |
[INFO] [stderr] 2255 |                           arg3: ::libc::c_int, arg4: size_t,
[INFO] [stderr]      |                                 ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2256:40
[INFO] [stderr]      |
[INFO] [stderr] 2256 |                           arg5: *const ::libc::c_char, ...) -> ::libc::c_int;
[INFO] [stderr]      |                                        ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2256:64
[INFO] [stderr]      |
[INFO] [stderr] 2256 |                           arg5: *const ::libc::c_char, ...) -> ::libc::c_int;
[INFO] [stderr]      |                                                                ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2257:38
[INFO] [stderr]      |
[INFO] [stderr] 2257 |     pub fn __vsprintf_chk(arg1: *mut ::libc::c_char, arg2: ::libc::c_int,
[INFO] [stderr]      |                                      ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2257:60
[INFO] [stderr]      |
[INFO] [stderr] 2257 |     pub fn __vsprintf_chk(arg1: *mut ::libc::c_char, arg2: ::libc::c_int,
[INFO] [stderr]      |                                                            ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2258:54
[INFO] [stderr]      |
[INFO] [stderr] 2258 |                           arg3: size_t, arg4: *const ::libc::c_char,
[INFO] [stderr]      |                                                      ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2259:45
[INFO] [stderr]      |
[INFO] [stderr] 2259 |                           arg5: va_list) -> ::libc::c_int;
[INFO] [stderr]      |                                             ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2260:39
[INFO] [stderr]      |
[INFO] [stderr] 2260 |     pub fn __vsnprintf_chk(arg1: *mut ::libc::c_char, arg2: size_t,
[INFO] [stderr]      |                                       ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2261:34
[INFO] [stderr]      |
[INFO] [stderr] 2261 | ...                   arg3: ::libc::c_int, arg4: size_t,
[INFO] [stderr]      |                             ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2262:41
[INFO] [stderr]      |
[INFO] [stderr] 2262 | ...                   arg5: *const ::libc::c_char, arg6: va_list)
[INFO] [stderr]      |                                    ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2263:9
[INFO] [stderr]      |
[INFO] [stderr] 2263 |      -> ::libc::c_int;
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2264:31
[INFO] [stderr]      |
[INFO] [stderr] 2264 |     pub fn chmod(arg1: *const ::libc::c_char, arg2: mode_t) -> ::libc::c_int;
[INFO] [stderr]      |                               ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2264:64
[INFO] [stderr]      |
[INFO] [stderr] 2264 |     pub fn chmod(arg1: *const ::libc::c_char, arg2: mode_t) -> ::libc::c_int;
[INFO] [stderr]      |                                                                ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2265:25
[INFO] [stderr]      |
[INFO] [stderr] 2265 |     pub fn fchmod(arg1: ::libc::c_int, arg2: mode_t) -> ::libc::c_int;
[INFO] [stderr]      |                         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2265:57
[INFO] [stderr]      |
[INFO] [stderr] 2265 |     pub fn fchmod(arg1: ::libc::c_int, arg2: mode_t) -> ::libc::c_int;
[INFO] [stderr]      |                                                         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2266:24
[INFO] [stderr]      |
[INFO] [stderr] 2266 |     pub fn fstat(arg1: ::libc::c_int, arg2: *mut Struct_stat)
[INFO] [stderr]      |                        ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2267:9
[INFO] [stderr]      |
[INFO] [stderr] 2267 |      -> ::libc::c_int;
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2268:31
[INFO] [stderr]      |
[INFO] [stderr] 2268 |     pub fn lstat(arg1: *const ::libc::c_char, arg2: *mut Struct_stat)
[INFO] [stderr]      |                               ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2269:9
[INFO] [stderr]      |
[INFO] [stderr] 2269 |      -> ::libc::c_int;
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2270:31
[INFO] [stderr]      |
[INFO] [stderr] 2270 |     pub fn mkdir(arg1: *const ::libc::c_char, arg2: mode_t) -> ::libc::c_int;
[INFO] [stderr]      |                               ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2270:64
[INFO] [stderr]      |
[INFO] [stderr] 2270 |     pub fn mkdir(arg1: *const ::libc::c_char, arg2: mode_t) -> ::libc::c_int;
[INFO] [stderr]      |                                                                ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2271:32
[INFO] [stderr]      |
[INFO] [stderr] 2271 |     pub fn mkfifo(arg1: *const ::libc::c_char, arg2: mode_t) -> ::libc::c_int;
[INFO] [stderr]      |                                ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2271:65
[INFO] [stderr]      |
[INFO] [stderr] 2271 |     pub fn mkfifo(arg1: *const ::libc::c_char, arg2: mode_t) -> ::libc::c_int;
[INFO] [stderr]      |                                                                 ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2272:30
[INFO] [stderr]      |
[INFO] [stderr] 2272 |     pub fn stat(arg1: *const ::libc::c_char, arg2: *mut Struct_stat)
[INFO] [stderr]      |                              ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2273:9
[INFO] [stderr]      |
[INFO] [stderr] 2273 |      -> ::libc::c_int;
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2274:31
[INFO] [stderr]      |
[INFO] [stderr] 2274 |     pub fn mknod(arg1: *const ::libc::c_char, arg2: mode_t, arg3: dev_t)
[INFO] [stderr]      |                               ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2275:9
[INFO] [stderr]      |
[INFO] [stderr] 2275 |      -> ::libc::c_int;
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2277:27
[INFO] [stderr]      |
[INFO] [stderr] 2277 |     pub fn fchmodat(arg1: ::libc::c_int, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                           ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2277:55
[INFO] [stderr]      |
[INFO] [stderr] 2277 |     pub fn fchmodat(arg1: ::libc::c_int, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                                                       ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2278:41
[INFO] [stderr]      |
[INFO] [stderr] 2278 |                     arg3: mode_t, arg4: ::libc::c_int) -> ::libc::c_int;
[INFO] [stderr]      |                                         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2278:59
[INFO] [stderr]      |
[INFO] [stderr] 2278 |                     arg3: mode_t, arg4: ::libc::c_int) -> ::libc::c_int;
[INFO] [stderr]      |                                                           ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2279:26
[INFO] [stderr]      |
[INFO] [stderr] 2279 |     pub fn fstatat(arg1: ::libc::c_int, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                          ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2279:54
[INFO] [stderr]      |
[INFO] [stderr] 2279 |     pub fn fstatat(arg1: ::libc::c_int, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                                                      ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2280:50
[INFO] [stderr]      |
[INFO] [stderr] 2280 |                    arg3: *mut Struct_stat, arg4: ::libc::c_int)
[INFO] [stderr]      |                                                  ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2281:9
[INFO] [stderr]      |
[INFO] [stderr] 2281 |      -> ::libc::c_int;
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2282:26
[INFO] [stderr]      |
[INFO] [stderr] 2282 |     pub fn mkdirat(arg1: ::libc::c_int, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                          ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2282:54
[INFO] [stderr]      |
[INFO] [stderr] 2282 |     pub fn mkdirat(arg1: ::libc::c_int, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                                                      ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2283:37
[INFO] [stderr]      |
[INFO] [stderr] 2283 |                    arg3: mode_t) -> ::libc::c_int;
[INFO] [stderr]      |                                     ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2284:33
[INFO] [stderr]      |
[INFO] [stderr] 2284 |     pub fn chflags(arg1: *const ::libc::c_char, arg2: __uint32_t)
[INFO] [stderr]      |                                 ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2285:9
[INFO] [stderr]      |
[INFO] [stderr] 2285 |      -> ::libc::c_int;
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2286:35
[INFO] [stderr]      |
[INFO] [stderr] 2286 |     pub fn chmodx_np(arg1: *const ::libc::c_char, arg2: filesec_t)
[INFO] [stderr]      |                                   ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2287:9
[INFO] [stderr]      |
[INFO] [stderr] 2287 |      -> ::libc::c_int;
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2288:27
[INFO] [stderr]      |
[INFO] [stderr] 2288 |     pub fn fchflags(arg1: ::libc::c_int, arg2: __uint32_t) -> ::libc::c_int;
[INFO] [stderr]      |                           ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2288:63
[INFO] [stderr]      |
[INFO] [stderr] 2288 |     pub fn fchflags(arg1: ::libc::c_int, arg2: __uint32_t) -> ::libc::c_int;
[INFO] [stderr]      |                                                               ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2289:29
[INFO] [stderr]      |
[INFO] [stderr] 2289 |     pub fn fchmodx_np(arg1: ::libc::c_int, arg2: filesec_t) -> ::libc::c_int;
[INFO] [stderr]      |                             ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2289:64
[INFO] [stderr]      |
[INFO] [stderr] 2289 |     pub fn fchmodx_np(arg1: ::libc::c_int, arg2: filesec_t) -> ::libc::c_int;
[INFO] [stderr]      |                                                                ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2290:28
[INFO] [stderr]      |
[INFO] [stderr] 2290 |     pub fn fstatx_np(arg1: ::libc::c_int, arg2: *mut Struct_stat,
[INFO] [stderr]      |                            ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2291:42
[INFO] [stderr]      |
[INFO] [stderr] 2291 |                      arg3: filesec_t) -> ::libc::c_int;
[INFO] [stderr]      |                                          ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2292:34
[INFO] [stderr]      |
[INFO] [stderr] 2292 |     pub fn lchflags(arg1: *const ::libc::c_char, arg2: __uint32_t)
[INFO] [stderr]      |                                  ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2293:9
[INFO] [stderr]      |
[INFO] [stderr] 2293 |      -> ::libc::c_int;
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2294:32
[INFO] [stderr]      |
[INFO] [stderr] 2294 |     pub fn lchmod(arg1: *const ::libc::c_char, arg2: mode_t) -> ::libc::c_int;
[INFO] [stderr]      |                                ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2294:65
[INFO] [stderr]      |
[INFO] [stderr] 2294 |     pub fn lchmod(arg1: *const ::libc::c_char, arg2: mode_t) -> ::libc::c_int;
[INFO] [stderr]      |                                                                 ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2295:35
[INFO] [stderr]      |
[INFO] [stderr] 2295 |     pub fn lstatx_np(arg1: *const ::libc::c_char, arg2: *mut Struct_stat,
[INFO] [stderr]      |                                   ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2296:42
[INFO] [stderr]      |
[INFO] [stderr] 2296 |                      arg3: filesec_t) -> ::libc::c_int;
[INFO] [stderr]      |                                          ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2297:35
[INFO] [stderr]      |
[INFO] [stderr] 2297 |     pub fn mkdirx_np(arg1: *const ::libc::c_char, arg2: filesec_t)
[INFO] [stderr]      |                                   ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2298:9
[INFO] [stderr]      |
[INFO] [stderr] 2298 |      -> ::libc::c_int;
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2299:36
[INFO] [stderr]      |
[INFO] [stderr] 2299 |     pub fn mkfifox_np(arg1: *const ::libc::c_char, arg2: filesec_t)
[INFO] [stderr]      |                                    ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2300:9
[INFO] [stderr]      |
[INFO] [stderr] 2300 |      -> ::libc::c_int;
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2301:34
[INFO] [stderr]      |
[INFO] [stderr] 2301 |     pub fn statx_np(arg1: *const ::libc::c_char, arg2: *mut Struct_stat,
[INFO] [stderr]      |                                  ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2302:41
[INFO] [stderr]      |
[INFO] [stderr] 2302 |                     arg3: filesec_t) -> ::libc::c_int;
[INFO] [stderr]      |                                         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2303:42
[INFO] [stderr]      |
[INFO] [stderr] 2303 |     pub fn umaskx_np(arg1: filesec_t) -> ::libc::c_int;
[INFO] [stderr]      |                                          ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2304:30
[INFO] [stderr]      |
[INFO] [stderr] 2304 |     pub fn fstatx64_np(arg1: ::libc::c_int, arg2: *mut Struct_stat64,
[INFO] [stderr]      |                              ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2305:44
[INFO] [stderr]      |
[INFO] [stderr] 2305 |                        arg3: filesec_t) -> ::libc::c_int;
[INFO] [stderr]      |                                            ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2306:37
[INFO] [stderr]      |
[INFO] [stderr] 2306 |     pub fn lstatx64_np(arg1: *const ::libc::c_char, arg2: *mut Struct_stat64,
[INFO] [stderr]      |                                     ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2307:44
[INFO] [stderr]      |
[INFO] [stderr] 2307 |                        arg3: filesec_t) -> ::libc::c_int;
[INFO] [stderr]      |                                            ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2308:36
[INFO] [stderr]      |
[INFO] [stderr] 2308 |     pub fn statx64_np(arg1: *const ::libc::c_char, arg2: *mut Struct_stat64,
[INFO] [stderr]      |                                    ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2309:43
[INFO] [stderr]      |
[INFO] [stderr] 2309 |                       arg3: filesec_t) -> ::libc::c_int;
[INFO] [stderr]      |                                           ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2310:26
[INFO] [stderr]      |
[INFO] [stderr] 2310 |     pub fn fstat64(arg1: ::libc::c_int, arg2: *mut Struct_stat64)
[INFO] [stderr]      |                          ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2311:9
[INFO] [stderr]      |
[INFO] [stderr] 2311 |      -> ::libc::c_int;
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2312:33
[INFO] [stderr]      |
[INFO] [stderr] 2312 |     pub fn lstat64(arg1: *const ::libc::c_char, arg2: *mut Struct_stat64)
[INFO] [stderr]      |                                 ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2313:9
[INFO] [stderr]      |
[INFO] [stderr] 2313 |      -> ::libc::c_int;
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2314:32
[INFO] [stderr]      |
[INFO] [stderr] 2314 |     pub fn stat64(arg1: *const ::libc::c_char, arg2: *mut Struct_stat64)
[INFO] [stderr]      |                                ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2315:9
[INFO] [stderr]      |
[INFO] [stderr] 2315 |      -> ::libc::c_int;
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2316:25
[INFO] [stderr]      |
[INFO] [stderr] 2316 |     pub fn signal(arg1: ::libc::c_int,
[INFO] [stderr]      |                         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2318:65
[INFO] [stderr]      |
[INFO] [stderr] 2318 |                       ::std::option::Option<extern "C" fn(arg1: ::libc::c_int)
[INFO] [stderr]      |                                                                 ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2321:52
[INFO] [stderr]      |
[INFO] [stderr] 2321 |          ::std::option::Option<extern "C" fn(arg1: ::libc::c_int,
[INFO] [stderr]      |                                                    ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2324:90
[INFO] [stderr]      |
[INFO] [stderr] 2324 | ...                   ::libc::c_int)
[INFO] [stderr]      |                       ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2328:30
[INFO] [stderr]      |
[INFO] [stderr] 2328 |     pub fn getpriority(arg1: ::libc::c_int, arg2: id_t) -> ::libc::c_int;
[INFO] [stderr]      |                              ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2328:60
[INFO] [stderr]      |
[INFO] [stderr] 2328 |     pub fn getpriority(arg1: ::libc::c_int, arg2: id_t) -> ::libc::c_int;
[INFO] [stderr]      |                                                            ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2329:33
[INFO] [stderr]      |
[INFO] [stderr] 2329 |     pub fn getiopolicy_np(arg1: ::libc::c_int, arg2: ::libc::c_int)
[INFO] [stderr]      |                                 ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2329:54
[INFO] [stderr]      |
[INFO] [stderr] 2329 |     pub fn getiopolicy_np(arg1: ::libc::c_int, arg2: ::libc::c_int)
[INFO] [stderr]      |                                                      ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2330:9
[INFO] [stderr]      |
[INFO] [stderr] 2330 |      -> ::libc::c_int;
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2331:28
[INFO] [stderr]      |
[INFO] [stderr] 2331 |     pub fn getrlimit(arg1: ::libc::c_int, arg2: *mut Struct_rlimit)
[INFO] [stderr]      |                            ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2332:9
[INFO] [stderr]      |
[INFO] [stderr] 2332 |      -> ::libc::c_int;
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2333:28
[INFO] [stderr]      |
[INFO] [stderr] 2333 |     pub fn getrusage(arg1: ::libc::c_int, arg2: *mut Struct_rusage)
[INFO] [stderr]      |                            ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2334:9
[INFO] [stderr]      |
[INFO] [stderr] 2334 |      -> ::libc::c_int;
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2335:30
[INFO] [stderr]      |
[INFO] [stderr] 2335 |     pub fn setpriority(arg1: ::libc::c_int, arg2: id_t, arg3: ::libc::c_int)
[INFO] [stderr]      |                              ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2335:63
[INFO] [stderr]      |
[INFO] [stderr] 2335 |     pub fn setpriority(arg1: ::libc::c_int, arg2: id_t, arg3: ::libc::c_int)
[INFO] [stderr]      |                                                               ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2336:9
[INFO] [stderr]      |
[INFO] [stderr] 2336 |      -> ::libc::c_int;
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2337:33
[INFO] [stderr]      |
[INFO] [stderr] 2337 |     pub fn setiopolicy_np(arg1: ::libc::c_int, arg2: ::libc::c_int,
[INFO] [stderr]      |                                 ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2337:54
[INFO] [stderr]      |
[INFO] [stderr] 2337 |     pub fn setiopolicy_np(arg1: ::libc::c_int, arg2: ::libc::c_int,
[INFO] [stderr]      |                                                      ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2338:33
[INFO] [stderr]      |
[INFO] [stderr] 2338 |                           arg3: ::libc::c_int) -> ::libc::c_int;
[INFO] [stderr]      |                                 ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2338:51
[INFO] [stderr]      |
[INFO] [stderr] 2338 |                           arg3: ::libc::c_int) -> ::libc::c_int;
[INFO] [stderr]      |                                                   ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2339:28
[INFO] [stderr]      |
[INFO] [stderr] 2339 |     pub fn setrlimit(arg1: ::libc::c_int, arg2: *const Struct_rlimit)
[INFO] [stderr]      |                            ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2340:9
[INFO] [stderr]      |
[INFO] [stderr] 2340 |      -> ::libc::c_int;
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2341:28
[INFO] [stderr]      |
[INFO] [stderr] 2341 |     pub fn wait(arg1: *mut ::libc::c_int) -> pid_t;
[INFO] [stderr]      |                            ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2342:44
[INFO] [stderr]      |
[INFO] [stderr] 2342 |     pub fn waitpid(arg1: pid_t, arg2: *mut ::libc::c_int, arg3: ::libc::c_int)
[INFO] [stderr]      |                                            ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2342:65
[INFO] [stderr]      |
[INFO] [stderr] 2342 |     pub fn waitpid(arg1: pid_t, arg2: *mut ::libc::c_int, arg3: ::libc::c_int)
[INFO] [stderr]      |                                                                 ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2345:25
[INFO] [stderr]      |
[INFO] [stderr] 2345 |                   arg4: ::libc::c_int) -> ::libc::c_int;
[INFO] [stderr]      |                         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2345:43
[INFO] [stderr]      |
[INFO] [stderr] 2345 |                   arg4: ::libc::c_int) -> ::libc::c_int;
[INFO] [stderr]      |                                           ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2346:29
[INFO] [stderr]      |
[INFO] [stderr] 2346 |     pub fn wait3(arg1: *mut ::libc::c_int, arg2: ::libc::c_int,
[INFO] [stderr]      |                             ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2346:50
[INFO] [stderr]      |
[INFO] [stderr] 2346 |     pub fn wait3(arg1: *mut ::libc::c_int, arg2: ::libc::c_int,
[INFO] [stderr]      |                                                  ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2348:42
[INFO] [stderr]      |
[INFO] [stderr] 2348 |     pub fn wait4(arg1: pid_t, arg2: *mut ::libc::c_int, arg3: ::libc::c_int,
[INFO] [stderr]      |                                          ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2348:63
[INFO] [stderr]      |
[INFO] [stderr] 2348 |     pub fn wait4(arg1: pid_t, arg2: *mut ::libc::c_int, arg3: ::libc::c_int,
[INFO] [stderr]      |                                                               ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2352:22
[INFO] [stderr]      |
[INFO] [stderr] 2352 |     pub fn abs(arg1: ::libc::c_int) -> ::libc::c_int;
[INFO] [stderr]      |                      ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2352:40
[INFO] [stderr]      |
[INFO] [stderr] 2352 |     pub fn abs(arg1: ::libc::c_int) -> ::libc::c_int;
[INFO] [stderr]      |                                        ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2354:9
[INFO] [stderr]      |
[INFO] [stderr] 2354 |      -> ::libc::c_int;
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2355:30
[INFO] [stderr]      |
[INFO] [stderr] 2355 |     pub fn atof(arg1: *const ::libc::c_char) -> ::libc::c_double;
[INFO] [stderr]      |                              ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2355:49
[INFO] [stderr]      |
[INFO] [stderr] 2355 |     pub fn atof(arg1: *const ::libc::c_char) -> ::libc::c_double;
[INFO] [stderr]      |                                                 ^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2356:30
[INFO] [stderr]      |
[INFO] [stderr] 2356 |     pub fn atoi(arg1: *const ::libc::c_char) -> ::libc::c_int;
[INFO] [stderr]      |                              ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2356:49
[INFO] [stderr]      |
[INFO] [stderr] 2356 |     pub fn atoi(arg1: *const ::libc::c_char) -> ::libc::c_int;
[INFO] [stderr]      |                                                 ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2357:30
[INFO] [stderr]      |
[INFO] [stderr] 2357 |     pub fn atol(arg1: *const ::libc::c_char) -> ::libc::c_long;
[INFO] [stderr]      |                              ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2357:49
[INFO] [stderr]      |
[INFO] [stderr] 2357 |     pub fn atol(arg1: *const ::libc::c_char) -> ::libc::c_long;
[INFO] [stderr]      |                                                 ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2358:31
[INFO] [stderr]      |
[INFO] [stderr] 2358 |     pub fn atoll(arg1: *const ::libc::c_char) -> ::libc::c_longlong;
[INFO] [stderr]      |                               ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2358:50
[INFO] [stderr]      |
[INFO] [stderr] 2358 |     pub fn atoll(arg1: *const ::libc::c_char) -> ::libc::c_longlong;
[INFO] [stderr]      |                                                  ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2366:53
[INFO] [stderr]      |
[INFO] [stderr] 2366 | ...                   -> ::libc::c_int>)
[INFO] [stderr]      |                          ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2369:22
[INFO] [stderr]      |
[INFO] [stderr] 2369 |     pub fn div(arg1: ::libc::c_int, arg2: ::libc::c_int) -> div_t;
[INFO] [stderr]      |                      ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2369:43
[INFO] [stderr]      |
[INFO] [stderr] 2369 |     pub fn div(arg1: ::libc::c_int, arg2: ::libc::c_int) -> div_t;
[INFO] [stderr]      |                                           ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2370:23
[INFO] [stderr]      |
[INFO] [stderr] 2370 |     pub fn exit(arg1: ::libc::c_int) -> ();
[INFO] [stderr]      |                       ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2372:32
[INFO] [stderr]      |
[INFO] [stderr] 2372 |     pub fn getenv(arg1: *const ::libc::c_char) -> *mut ::libc::c_char;
[INFO] [stderr]      |                                ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2372:56
[INFO] [stderr]      |
[INFO] [stderr] 2372 |     pub fn getenv(arg1: *const ::libc::c_char) -> *mut ::libc::c_char;
[INFO] [stderr]      |                                                        ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2373:23
[INFO] [stderr]      |
[INFO] [stderr] 2373 |     pub fn labs(arg1: ::libc::c_long) -> ::libc::c_long;
[INFO] [stderr]      |                       ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2373:42
[INFO] [stderr]      |
[INFO] [stderr] 2373 |     pub fn labs(arg1: ::libc::c_long) -> ::libc::c_long;
[INFO] [stderr]      |                                          ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2374:23
[INFO] [stderr]      |
[INFO] [stderr] 2374 |     pub fn ldiv(arg1: ::libc::c_long, arg2: ::libc::c_long) -> ldiv_t;
[INFO] [stderr]      |                       ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2374:45
[INFO] [stderr]      |
[INFO] [stderr] 2374 |     pub fn ldiv(arg1: ::libc::c_long, arg2: ::libc::c_long) -> ldiv_t;
[INFO] [stderr]      |                                             ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2375:24
[INFO] [stderr]      |
[INFO] [stderr] 2375 |     pub fn llabs(arg1: ::libc::c_longlong) -> ::libc::c_longlong;
[INFO] [stderr]      |                        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2375:47
[INFO] [stderr]      |
[INFO] [stderr] 2375 |     pub fn llabs(arg1: ::libc::c_longlong) -> ::libc::c_longlong;
[INFO] [stderr]      |                                               ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2376:24
[INFO] [stderr]      |
[INFO] [stderr] 2376 |     pub fn lldiv(arg1: ::libc::c_longlong, arg2: ::libc::c_longlong)
[INFO] [stderr]      |                        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2376:50
[INFO] [stderr]      |
[INFO] [stderr] 2376 |     pub fn lldiv(arg1: ::libc::c_longlong, arg2: ::libc::c_longlong)
[INFO] [stderr]      |                                                  ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2379:31
[INFO] [stderr]      |
[INFO] [stderr] 2379 |     pub fn mblen(arg1: *const ::libc::c_char, arg2: size_t) -> ::libc::c_int;
[INFO] [stderr]      |                               ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2379:64
[INFO] [stderr]      |
[INFO] [stderr] 2379 |     pub fn mblen(arg1: *const ::libc::c_char, arg2: size_t) -> ::libc::c_int;
[INFO] [stderr]      |                                                                ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2380:54
[INFO] [stderr]      |
[INFO] [stderr] 2380 |     pub fn mbstowcs(arg1: *mut wchar_t, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                                                      ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2382:52
[INFO] [stderr]      |
[INFO] [stderr] 2382 |     pub fn mbtowc(arg1: *mut wchar_t, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                                                    ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2383:36
[INFO] [stderr]      |
[INFO] [stderr] 2383 |                   arg3: size_t) -> ::libc::c_int;
[INFO] [stderr]      |                                    ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2385:44
[INFO] [stderr]      |
[INFO] [stderr] 2385 |                           arg3: size_t) -> ::libc::c_int;
[INFO] [stderr]      |                                            ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2392:51
[INFO] [stderr]      |
[INFO] [stderr] 2392 | ...                   -> ::libc::c_int>) -> ();
[INFO] [stderr]      |                          ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2393:22
[INFO] [stderr]      |
[INFO] [stderr] 2393 |     pub fn rand() -> ::libc::c_int;
[INFO] [stderr]      |                      ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2396:24
[INFO] [stderr]      |
[INFO] [stderr] 2396 |     pub fn srand(arg1: ::libc::c_uint) -> ();
[INFO] [stderr]      |                        ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2397:32
[INFO] [stderr]      |
[INFO] [stderr] 2397 |     pub fn strtod(arg1: *const ::libc::c_char, arg2: *mut *mut ::libc::c_char)
[INFO] [stderr]      |                                ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2397:64
[INFO] [stderr]      |
[INFO] [stderr] 2397 |     pub fn strtod(arg1: *const ::libc::c_char, arg2: *mut *mut ::libc::c_char)
[INFO] [stderr]      |                                                                ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2398:9
[INFO] [stderr]      |
[INFO] [stderr] 2398 |      -> ::libc::c_double;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2399:32
[INFO] [stderr]      |
[INFO] [stderr] 2399 |     pub fn strtof(arg1: *const ::libc::c_char, arg2: *mut *mut ::libc::c_char)
[INFO] [stderr]      |                                ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2399:64
[INFO] [stderr]      |
[INFO] [stderr] 2399 |     pub fn strtof(arg1: *const ::libc::c_char, arg2: *mut *mut ::libc::c_char)
[INFO] [stderr]      |                                                                ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2400:9
[INFO] [stderr]      |
[INFO] [stderr] 2400 |      -> ::libc::c_float;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2401:32
[INFO] [stderr]      |
[INFO] [stderr] 2401 |     pub fn strtol(arg1: *const ::libc::c_char, arg2: *mut *mut ::libc::c_char,
[INFO] [stderr]      |                                ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2401:64
[INFO] [stderr]      |
[INFO] [stderr] 2401 |     pub fn strtol(arg1: *const ::libc::c_char, arg2: *mut *mut ::libc::c_char,
[INFO] [stderr]      |                                                                ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2402:25
[INFO] [stderr]      |
[INFO] [stderr] 2402 |                   arg3: ::libc::c_int) -> ::libc::c_long;
[INFO] [stderr]      |                         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2402:43
[INFO] [stderr]      |
[INFO] [stderr] 2402 |                   arg3: ::libc::c_int) -> ::libc::c_long;
[INFO] [stderr]      |                                           ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2403:33
[INFO] [stderr]      |
[INFO] [stderr] 2403 |     pub fn strtold(arg1: *const ::libc::c_char,
[INFO] [stderr]      |                                 ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2404:36
[INFO] [stderr]      |
[INFO] [stderr] 2404 |                    arg2: *mut *mut ::libc::c_char) -> ::libc::c_double;
[INFO] [stderr]      |                                    ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2404:55
[INFO] [stderr]      |
[INFO] [stderr] 2404 |                    arg2: *mut *mut ::libc::c_char) -> ::libc::c_double;
[INFO] [stderr]      |                                                       ^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2405:33
[INFO] [stderr]      |
[INFO] [stderr] 2405 |     pub fn strtoll(arg1: *const ::libc::c_char,
[INFO] [stderr]      |                                 ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2406:36
[INFO] [stderr]      |
[INFO] [stderr] 2406 |                    arg2: *mut *mut ::libc::c_char, arg3: ::libc::c_int)
[INFO] [stderr]      |                                    ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2406:58
[INFO] [stderr]      |
[INFO] [stderr] 2406 |                    arg2: *mut *mut ::libc::c_char, arg3: ::libc::c_int)
[INFO] [stderr]      |                                                          ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2407:9
[INFO] [stderr]      |
[INFO] [stderr] 2407 |      -> ::libc::c_longlong;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2408:33
[INFO] [stderr]      |
[INFO] [stderr] 2408 |     pub fn strtoul(arg1: *const ::libc::c_char,
[INFO] [stderr]      |                                 ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2409:36
[INFO] [stderr]      |
[INFO] [stderr] 2409 |                    arg2: *mut *mut ::libc::c_char, arg3: ::libc::c_int)
[INFO] [stderr]      |                                    ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2409:58
[INFO] [stderr]      |
[INFO] [stderr] 2409 |                    arg2: *mut *mut ::libc::c_char, arg3: ::libc::c_int)
[INFO] [stderr]      |                                                          ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2410:9
[INFO] [stderr]      |
[INFO] [stderr] 2410 |      -> ::libc::c_ulong;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2411:34
[INFO] [stderr]      |
[INFO] [stderr] 2411 |     pub fn strtoull(arg1: *const ::libc::c_char,
[INFO] [stderr]      |                                  ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2412:37
[INFO] [stderr]      |
[INFO] [stderr] 2412 |                     arg2: *mut *mut ::libc::c_char, arg3: ::libc::c_int)
[INFO] [stderr]      |                                     ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2412:59
[INFO] [stderr]      |
[INFO] [stderr] 2412 |                     arg2: *mut *mut ::libc::c_char, arg3: ::libc::c_int)
[INFO] [stderr]      |                                                           ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2413:9
[INFO] [stderr]      |
[INFO] [stderr] 2413 |      -> ::libc::c_ulonglong;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2414:32
[INFO] [stderr]      |
[INFO] [stderr] 2414 |     pub fn system(arg1: *const ::libc::c_char) -> ::libc::c_int;
[INFO] [stderr]      |                                ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2414:51
[INFO] [stderr]      |
[INFO] [stderr] 2414 |     pub fn system(arg1: *const ::libc::c_char) -> ::libc::c_int;
[INFO] [stderr]      |                                                   ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2415:32
[INFO] [stderr]      |
[INFO] [stderr] 2415 |     pub fn wcstombs(arg1: *mut ::libc::c_char, arg2: *const wchar_t,
[INFO] [stderr]      |                                ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2417:30
[INFO] [stderr]      |
[INFO] [stderr] 2417 |     pub fn wctomb(arg1: *mut ::libc::c_char, arg2: wchar_t) -> ::libc::c_int;
[INFO] [stderr]      |                              ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2417:64
[INFO] [stderr]      |
[INFO] [stderr] 2417 |     pub fn wctomb(arg1: *mut ::libc::c_char, arg2: wchar_t) -> ::libc::c_int;
[INFO] [stderr]      |                                                                ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2418:24
[INFO] [stderr]      |
[INFO] [stderr] 2418 |     pub fn _Exit(arg1: ::libc::c_int) -> ();
[INFO] [stderr]      |                        ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2419:30
[INFO] [stderr]      |
[INFO] [stderr] 2419 |     pub fn a64l(arg1: *const ::libc::c_char) -> ::libc::c_long;
[INFO] [stderr]      |                              ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2419:49
[INFO] [stderr]      |
[INFO] [stderr] 2419 |     pub fn a64l(arg1: *const ::libc::c_char) -> ::libc::c_long;
[INFO] [stderr]      |                                                 ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2420:25
[INFO] [stderr]      |
[INFO] [stderr] 2420 |     pub fn drand48() -> ::libc::c_double;
[INFO] [stderr]      |                         ^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2421:23
[INFO] [stderr]      |
[INFO] [stderr] 2421 |     pub fn ecvt(arg1: ::libc::c_double, arg2: ::libc::c_int,
[INFO] [stderr]      |                       ^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2421:47
[INFO] [stderr]      |
[INFO] [stderr] 2421 |     pub fn ecvt(arg1: ::libc::c_double, arg2: ::libc::c_int,
[INFO] [stderr]      |                                               ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2422:28
[INFO] [stderr]      |
[INFO] [stderr] 2422 |                 arg3: *mut ::libc::c_int, arg4: *mut ::libc::c_int)
[INFO] [stderr]      |                            ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2422:54
[INFO] [stderr]      |
[INFO] [stderr] 2422 |                 arg3: *mut ::libc::c_int, arg4: *mut ::libc::c_int)
[INFO] [stderr]      |                                                      ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2423:14
[INFO] [stderr]      |
[INFO] [stderr] 2423 |      -> *mut ::libc::c_char;
[INFO] [stderr]      |              ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2424:31
[INFO] [stderr]      |
[INFO] [stderr] 2424 |     pub fn erand48(arg1: *mut ::libc::c_ushort) -> ::libc::c_double;
[INFO] [stderr]      |                               ^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2424:52
[INFO] [stderr]      |
[INFO] [stderr] 2424 |     pub fn erand48(arg1: *mut ::libc::c_ushort) -> ::libc::c_double;
[INFO] [stderr]      |                                                    ^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2425:23
[INFO] [stderr]      |
[INFO] [stderr] 2425 |     pub fn fcvt(arg1: ::libc::c_double, arg2: ::libc::c_int,
[INFO] [stderr]      |                       ^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2425:47
[INFO] [stderr]      |
[INFO] [stderr] 2425 |     pub fn fcvt(arg1: ::libc::c_double, arg2: ::libc::c_int,
[INFO] [stderr]      |                                               ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2426:28
[INFO] [stderr]      |
[INFO] [stderr] 2426 |                 arg3: *mut ::libc::c_int, arg4: *mut ::libc::c_int)
[INFO] [stderr]      |                            ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2426:54
[INFO] [stderr]      |
[INFO] [stderr] 2426 |                 arg3: *mut ::libc::c_int, arg4: *mut ::libc::c_int)
[INFO] [stderr]      |                                                      ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2427:14
[INFO] [stderr]      |
[INFO] [stderr] 2427 |      -> *mut ::libc::c_char;
[INFO] [stderr]      |              ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2428:23
[INFO] [stderr]      |
[INFO] [stderr] 2428 |     pub fn gcvt(arg1: ::libc::c_double, arg2: ::libc::c_int,
[INFO] [stderr]      |                       ^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2428:47
[INFO] [stderr]      |
[INFO] [stderr] 2428 |     pub fn gcvt(arg1: ::libc::c_double, arg2: ::libc::c_int,
[INFO] [stderr]      |                                               ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2429:28
[INFO] [stderr]      |
[INFO] [stderr] 2429 |                 arg3: *mut ::libc::c_char) -> *mut ::libc::c_char;
[INFO] [stderr]      |                            ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2429:52
[INFO] [stderr]      |
[INFO] [stderr] 2429 |                 arg3: *mut ::libc::c_char) -> *mut ::libc::c_char;
[INFO] [stderr]      |                                                    ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2430:38
[INFO] [stderr]      |
[INFO] [stderr] 2430 |     pub fn getsubopt(arg1: *mut *mut ::libc::c_char,
[INFO] [stderr]      |                                      ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2431:40
[INFO] [stderr]      |
[INFO] [stderr] 2431 |                      arg2: *const *mut ::libc::c_char,
[INFO] [stderr]      |                                        ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2432:38
[INFO] [stderr]      |
[INFO] [stderr] 2432 |                      arg3: *mut *mut ::libc::c_char) -> ::libc::c_int;
[INFO] [stderr]      |                                      ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2432:57
[INFO] [stderr]      |
[INFO] [stderr] 2432 |                      arg3: *mut *mut ::libc::c_char) -> ::libc::c_int;
[INFO] [stderr]      |                                                         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2433:26
[INFO] [stderr]      |
[INFO] [stderr] 2433 |     pub fn grantpt(arg1: ::libc::c_int) -> ::libc::c_int;
[INFO] [stderr]      |                          ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2433:44
[INFO] [stderr]      |
[INFO] [stderr] 2433 |     pub fn grantpt(arg1: ::libc::c_int) -> ::libc::c_int;
[INFO] [stderr]      |                                            ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2434:28
[INFO] [stderr]      |
[INFO] [stderr] 2434 |     pub fn initstate(arg1: ::libc::c_uint, arg2: *mut ::libc::c_char,
[INFO] [stderr]      |                            ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2434:55
[INFO] [stderr]      |
[INFO] [stderr] 2434 |     pub fn initstate(arg1: ::libc::c_uint, arg2: *mut ::libc::c_char,
[INFO] [stderr]      |                                                       ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2435:44
[INFO] [stderr]      |
[INFO] [stderr] 2435 |                      arg3: size_t) -> *mut ::libc::c_char;
[INFO] [stderr]      |                                            ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2436:31
[INFO] [stderr]      |
[INFO] [stderr] 2436 |     pub fn jrand48(arg1: *mut ::libc::c_ushort) -> ::libc::c_long;
[INFO] [stderr]      |                               ^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2436:52
[INFO] [stderr]      |
[INFO] [stderr] 2436 |     pub fn jrand48(arg1: *mut ::libc::c_ushort) -> ::libc::c_long;
[INFO] [stderr]      |                                                    ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2437:23
[INFO] [stderr]      |
[INFO] [stderr] 2437 |     pub fn l64a(arg1: ::libc::c_long) -> *mut ::libc::c_char;
[INFO] [stderr]      |                       ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2437:47
[INFO] [stderr]      |
[INFO] [stderr] 2437 |     pub fn l64a(arg1: ::libc::c_long) -> *mut ::libc::c_char;
[INFO] [stderr]      |                                               ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2438:31
[INFO] [stderr]      |
[INFO] [stderr] 2438 |     pub fn lcong48(arg1: *mut ::libc::c_ushort) -> ();
[INFO] [stderr]      |                               ^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2439:25
[INFO] [stderr]      |
[INFO] [stderr] 2439 |     pub fn lrand48() -> ::libc::c_long;
[INFO] [stderr]      |                         ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2440:30
[INFO] [stderr]      |
[INFO] [stderr] 2440 |     pub fn mktemp(arg1: *mut ::libc::c_char) -> *mut ::libc::c_char;
[INFO] [stderr]      |                              ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2440:54
[INFO] [stderr]      |
[INFO] [stderr] 2440 |     pub fn mktemp(arg1: *mut ::libc::c_char) -> *mut ::libc::c_char;
[INFO] [stderr]      |                                                      ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2441:31
[INFO] [stderr]      |
[INFO] [stderr] 2441 |     pub fn mkstemp(arg1: *mut ::libc::c_char) -> ::libc::c_int;
[INFO] [stderr]      |                               ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2441:50
[INFO] [stderr]      |
[INFO] [stderr] 2441 |     pub fn mkstemp(arg1: *mut ::libc::c_char) -> ::libc::c_int;
[INFO] [stderr]      |                                                  ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2442:25
[INFO] [stderr]      |
[INFO] [stderr] 2442 |     pub fn mrand48() -> ::libc::c_long;
[INFO] [stderr]      |                         ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2443:31
[INFO] [stderr]      |
[INFO] [stderr] 2443 |     pub fn nrand48(arg1: *mut ::libc::c_ushort) -> ::libc::c_long;
[INFO] [stderr]      |                               ^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2443:52
[INFO] [stderr]      |
[INFO] [stderr] 2443 |     pub fn nrand48(arg1: *mut ::libc::c_ushort) -> ::libc::c_long;
[INFO] [stderr]      |                                                    ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2444:31
[INFO] [stderr]      |
[INFO] [stderr] 2444 |     pub fn posix_openpt(arg1: ::libc::c_int) -> ::libc::c_int;
[INFO] [stderr]      |                               ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2444:49
[INFO] [stderr]      |
[INFO] [stderr] 2444 |     pub fn posix_openpt(arg1: ::libc::c_int) -> ::libc::c_int;
[INFO] [stderr]      |                                                 ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2445:26
[INFO] [stderr]      |
[INFO] [stderr] 2445 |     pub fn ptsname(arg1: ::libc::c_int) -> *mut ::libc::c_char;
[INFO] [stderr]      |                          ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2445:49
[INFO] [stderr]      |
[INFO] [stderr] 2445 |     pub fn ptsname(arg1: ::libc::c_int) -> *mut ::libc::c_char;
[INFO] [stderr]      |                                                 ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2446:30
[INFO] [stderr]      |
[INFO] [stderr] 2446 |     pub fn putenv(arg1: *mut ::libc::c_char) -> ::libc::c_int;
[INFO] [stderr]      |                              ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2446:49
[INFO] [stderr]      |
[INFO] [stderr] 2446 |     pub fn putenv(arg1: *mut ::libc::c_char) -> ::libc::c_int;
[INFO] [stderr]      |                                                 ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2447:24
[INFO] [stderr]      |
[INFO] [stderr] 2447 |     pub fn random() -> ::libc::c_long;
[INFO] [stderr]      |                        ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2448:30
[INFO] [stderr]      |
[INFO] [stderr] 2448 |     pub fn rand_r(arg1: *mut ::libc::c_uint) -> ::libc::c_int;
[INFO] [stderr]      |                              ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2448:49
[INFO] [stderr]      |
[INFO] [stderr] 2448 |     pub fn rand_r(arg1: *mut ::libc::c_uint) -> ::libc::c_int;
[INFO] [stderr]      |                                                 ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2449:34
[INFO] [stderr]      |
[INFO] [stderr] 2449 |     pub fn realpath(arg1: *const ::libc::c_char, arg2: *mut ::libc::c_char)
[INFO] [stderr]      |                                  ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2449:61
[INFO] [stderr]      |
[INFO] [stderr] 2449 |     pub fn realpath(arg1: *const ::libc::c_char, arg2: *mut ::libc::c_char)
[INFO] [stderr]      |                                                             ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2450:14
[INFO] [stderr]      |
[INFO] [stderr] 2450 |      -> *mut ::libc::c_char;
[INFO] [stderr]      |              ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2451:30
[INFO] [stderr]      |
[INFO] [stderr] 2451 |     pub fn seed48(arg1: *mut ::libc::c_ushort) -> *mut ::libc::c_ushort;
[INFO] [stderr]      |                              ^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2451:56
[INFO] [stderr]      |
[INFO] [stderr] 2451 |     pub fn seed48(arg1: *mut ::libc::c_ushort) -> *mut ::libc::c_ushort;
[INFO] [stderr]      |                                                        ^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2452:32
[INFO] [stderr]      |
[INFO] [stderr] 2452 |     pub fn setenv(arg1: *const ::libc::c_char, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                                ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2452:61
[INFO] [stderr]      |
[INFO] [stderr] 2452 |     pub fn setenv(arg1: *const ::libc::c_char, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                                                             ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2453:25
[INFO] [stderr]      |
[INFO] [stderr] 2453 |                   arg3: ::libc::c_int) -> ::libc::c_int;
[INFO] [stderr]      |                         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2453:43
[INFO] [stderr]      |
[INFO] [stderr] 2453 |                   arg3: ::libc::c_int) -> ::libc::c_int;
[INFO] [stderr]      |                                           ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2454:32
[INFO] [stderr]      |
[INFO] [stderr] 2454 |     pub fn setkey(arg1: *const ::libc::c_char) -> ();
[INFO] [stderr]      |                                ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2455:34
[INFO] [stderr]      |
[INFO] [stderr] 2455 |     pub fn setstate(arg1: *const ::libc::c_char) -> *mut ::libc::c_char;
[INFO] [stderr]      |                                  ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2455:58
[INFO] [stderr]      |
[INFO] [stderr] 2455 |     pub fn setstate(arg1: *const ::libc::c_char) -> *mut ::libc::c_char;
[INFO] [stderr]      |                                                          ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2456:26
[INFO] [stderr]      |
[INFO] [stderr] 2456 |     pub fn srand48(arg1: ::libc::c_long) -> ();
[INFO] [stderr]      |                          ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2457:26
[INFO] [stderr]      |
[INFO] [stderr] 2457 |     pub fn srandom(arg1: ::libc::c_uint) -> ();
[INFO] [stderr]      |                          ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2458:27
[INFO] [stderr]      |
[INFO] [stderr] 2458 |     pub fn unlockpt(arg1: ::libc::c_int) -> ::libc::c_int;
[INFO] [stderr]      |                           ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2458:45
[INFO] [stderr]      |
[INFO] [stderr] 2458 |     pub fn unlockpt(arg1: ::libc::c_int) -> ::libc::c_int;
[INFO] [stderr]      |                                             ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2459:34
[INFO] [stderr]      |
[INFO] [stderr] 2459 |     pub fn unsetenv(arg1: *const ::libc::c_char) -> ::libc::c_int;
[INFO] [stderr]      |                                  ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2459:53
[INFO] [stderr]      |
[INFO] [stderr] 2459 |     pub fn unsetenv(arg1: *const ::libc::c_char) -> ::libc::c_int;
[INFO] [stderr]      |                                                     ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2461:44
[INFO] [stderr]      |
[INFO] [stderr] 2461 |     pub fn arc4random_addrandom(arg1: *mut ::libc::c_uchar,
[INFO] [stderr]      |                                            ^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2462:39
[INFO] [stderr]      |
[INFO] [stderr] 2462 | ...                   arg2: ::libc::c_int) -> ();
[INFO] [stderr]      |                             ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2466:46
[INFO] [stderr]      |
[INFO] [stderr] 2466 |     pub fn atexit_b(arg1: ::libc::c_void) -> ::libc::c_int;
[INFO] [stderr]      |                                              ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2470:31
[INFO] [stderr]      |
[INFO] [stderr] 2470 |     pub fn cgetcap(arg1: *mut ::libc::c_char, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                               ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2470:60
[INFO] [stderr]      |
[INFO] [stderr] 2470 |     pub fn cgetcap(arg1: *mut ::libc::c_char, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                                                            ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2471:26
[INFO] [stderr]      |
[INFO] [stderr] 2471 |                    arg3: ::libc::c_int) -> *mut ::libc::c_char;
[INFO] [stderr]      |                          ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2471:49
[INFO] [stderr]      |
[INFO] [stderr] 2471 |                    arg3: ::libc::c_int) -> *mut ::libc::c_char;
[INFO] [stderr]      |                                                 ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2472:27
[INFO] [stderr]      |
[INFO] [stderr] 2472 |     pub fn cgetclose() -> ::libc::c_int;
[INFO] [stderr]      |                           ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2473:36
[INFO] [stderr]      |
[INFO] [stderr] 2473 |     pub fn cgetent(arg1: *mut *mut ::libc::c_char,
[INFO] [stderr]      |                                    ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2474:36
[INFO] [stderr]      |
[INFO] [stderr] 2474 |                    arg2: *mut *mut ::libc::c_char,
[INFO] [stderr]      |                                    ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2475:33
[INFO] [stderr]      |
[INFO] [stderr] 2475 |                    arg3: *const ::libc::c_char) -> ::libc::c_int;
[INFO] [stderr]      |                                 ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2475:52
[INFO] [stderr]      |
[INFO] [stderr] 2475 |                    arg3: *const ::libc::c_char) -> ::libc::c_int;
[INFO] [stderr]      |                                                    ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2476:38
[INFO] [stderr]      |
[INFO] [stderr] 2476 |     pub fn cgetfirst(arg1: *mut *mut ::libc::c_char,
[INFO] [stderr]      |                                      ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2477:38
[INFO] [stderr]      |
[INFO] [stderr] 2477 |                      arg2: *mut *mut ::libc::c_char) -> ::libc::c_int;
[INFO] [stderr]      |                                      ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2477:57
[INFO] [stderr]      |
[INFO] [stderr] 2477 |                      arg2: *mut *mut ::libc::c_char) -> ::libc::c_int;
[INFO] [stderr]      |                                                         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2478:35
[INFO] [stderr]      |
[INFO] [stderr] 2478 |     pub fn cgetmatch(arg1: *const ::libc::c_char, arg2: *const ::libc::c_char)
[INFO] [stderr]      |                                   ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2478:64
[INFO] [stderr]      |
[INFO] [stderr] 2478 |     pub fn cgetmatch(arg1: *const ::libc::c_char, arg2: *const ::libc::c_char)
[INFO] [stderr]      |                                                                ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2479:9
[INFO] [stderr]      |
[INFO] [stderr] 2479 |      -> ::libc::c_int;
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2480:37
[INFO] [stderr]      |
[INFO] [stderr] 2480 |     pub fn cgetnext(arg1: *mut *mut ::libc::c_char,
[INFO] [stderr]      |                                     ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2481:37
[INFO] [stderr]      |
[INFO] [stderr] 2481 |                     arg2: *mut *mut ::libc::c_char) -> ::libc::c_int;
[INFO] [stderr]      |                                     ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2481:56
[INFO] [stderr]      |
[INFO] [stderr] 2481 |                     arg2: *mut *mut ::libc::c_char) -> ::libc::c_int;
[INFO] [stderr]      |                                                        ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2482:31
[INFO] [stderr]      |
[INFO] [stderr] 2482 |     pub fn cgetnum(arg1: *mut ::libc::c_char, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                               ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2482:60
[INFO] [stderr]      |
[INFO] [stderr] 2482 |     pub fn cgetnum(arg1: *mut ::libc::c_char, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                                                            ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2483:31
[INFO] [stderr]      |
[INFO] [stderr] 2483 |                    arg3: *mut ::libc::c_long) -> ::libc::c_int;
[INFO] [stderr]      |                               ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2483:50
[INFO] [stderr]      |
[INFO] [stderr] 2483 |                    arg3: *mut ::libc::c_long) -> ::libc::c_int;
[INFO] [stderr]      |                                                  ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2484:33
[INFO] [stderr]      |
[INFO] [stderr] 2484 |     pub fn cgetset(arg1: *const ::libc::c_char) -> ::libc::c_int;
[INFO] [stderr]      |                                 ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2484:52
[INFO] [stderr]      |
[INFO] [stderr] 2484 |     pub fn cgetset(arg1: *const ::libc::c_char) -> ::libc::c_int;
[INFO] [stderr]      |                                                    ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2485:31
[INFO] [stderr]      |
[INFO] [stderr] 2485 |     pub fn cgetstr(arg1: *mut ::libc::c_char, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                               ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2485:60
[INFO] [stderr]      |
[INFO] [stderr] 2485 |     pub fn cgetstr(arg1: *mut ::libc::c_char, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                                                            ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2486:36
[INFO] [stderr]      |
[INFO] [stderr] 2486 |                    arg3: *mut *mut ::libc::c_char) -> ::libc::c_int;
[INFO] [stderr]      |                                    ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2486:55
[INFO] [stderr]      |
[INFO] [stderr] 2486 |                    arg3: *mut *mut ::libc::c_char) -> ::libc::c_int;
[INFO] [stderr]      |                                                       ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2487:32
[INFO] [stderr]      |
[INFO] [stderr] 2487 |     pub fn cgetustr(arg1: *mut ::libc::c_char, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                                ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2487:61
[INFO] [stderr]      |
[INFO] [stderr] 2487 |     pub fn cgetustr(arg1: *mut ::libc::c_char, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                                                             ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2488:37
[INFO] [stderr]      |
[INFO] [stderr] 2488 |                     arg3: *mut *mut ::libc::c_char) -> ::libc::c_int;
[INFO] [stderr]      |                                     ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2488:56
[INFO] [stderr]      |
[INFO] [stderr] 2488 |                     arg3: *mut *mut ::libc::c_char) -> ::libc::c_int;
[INFO] [stderr]      |                                                        ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2489:25
[INFO] [stderr]      |
[INFO] [stderr] 2489 |     pub fn daemon(arg1: ::libc::c_int, arg2: ::libc::c_int) -> ::libc::c_int;
[INFO] [stderr]      |                         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2489:46
[INFO] [stderr]      |
[INFO] [stderr] 2489 |     pub fn daemon(arg1: ::libc::c_int, arg2: ::libc::c_int) -> ::libc::c_int;
[INFO] [stderr]      |                                              ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2489:64
[INFO] [stderr]      |
[INFO] [stderr] 2489 |     pub fn daemon(arg1: ::libc::c_int, arg2: ::libc::c_int) -> ::libc::c_int;
[INFO] [stderr]      |                                                                ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2490:55
[INFO] [stderr]      |
[INFO] [stderr] 2490 |     pub fn devname(arg1: dev_t, arg2: mode_t) -> *mut ::libc::c_char;
[INFO] [stderr]      |                                                       ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2491:59
[INFO] [stderr]      |
[INFO] [stderr] 2491 |     pub fn devname_r(arg1: dev_t, arg2: mode_t, buf: *mut ::libc::c_char,
[INFO] [stderr]      |                                                           ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2492:27
[INFO] [stderr]      |
[INFO] [stderr] 2492 |                      len: ::libc::c_int) -> *mut ::libc::c_char;
[INFO] [stderr]      |                           ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2492:50
[INFO] [stderr]      |
[INFO] [stderr] 2492 |                      len: ::libc::c_int) -> *mut ::libc::c_char;
[INFO] [stderr]      |                                                  ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2493:32
[INFO] [stderr]      |
[INFO] [stderr] 2493 |     pub fn getbsize(arg1: *mut ::libc::c_int, arg2: *mut ::libc::c_long)
[INFO] [stderr]      |                                ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2493:58
[INFO] [stderr]      |
[INFO] [stderr] 2493 |     pub fn getbsize(arg1: *mut ::libc::c_int, arg2: *mut ::libc::c_long)
[INFO] [stderr]      |                                                          ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2494:14
[INFO] [stderr]      |
[INFO] [stderr] 2494 |      -> *mut ::libc::c_char;
[INFO] [stderr]      |              ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2495:34
[INFO] [stderr]      |
[INFO] [stderr] 2495 |     pub fn getloadavg(arg1: *mut ::libc::c_double, arg2: ::libc::c_int)
[INFO] [stderr]      |                                  ^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2495:58
[INFO] [stderr]      |
[INFO] [stderr] 2495 |     pub fn getloadavg(arg1: *mut ::libc::c_double, arg2: ::libc::c_int)
[INFO] [stderr]      |                                                          ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2496:9
[INFO] [stderr]      |
[INFO] [stderr] 2496 |      -> ::libc::c_int;
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2497:36
[INFO] [stderr]      |
[INFO] [stderr] 2497 |     pub fn getprogname() -> *const ::libc::c_char;
[INFO] [stderr]      |                                    ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/macros.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     (x as u32 & RUBY_FLONUM_MASK == RUBY_FLONUM_FLAG)
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2504:54
[INFO] [stderr]      |
[INFO] [stderr] 2504 | ...                   -> ::libc::c_int>)
[INFO] [stderr]      |                          ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2505:9
[INFO] [stderr]      |
[INFO] [stderr] 2505 |      -> ::libc::c_int;
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/macros.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     ((x as u32 & (!((!0)<<RUBY_SPECIAL_SHIFT))) == RUBY_SYMBOL_FLAG)
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2507:48
[INFO] [stderr]      |
[INFO] [stderr] 2507 |                       arg4: ::libc::c_void) -> ::libc::c_int;
[INFO] [stderr]      |                                                ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2514:55
[INFO] [stderr]      |
[INFO] [stderr] 2514 | ...                   -> ::libc::c_int>)
[INFO] [stderr]      |                          ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2515:9
[INFO] [stderr]      |
[INFO] [stderr] 2515 |      -> ::libc::c_int;
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2517:49
[INFO] [stderr]      |
[INFO] [stderr] 2517 |                        arg4: ::libc::c_void) -> ::libc::c_int;
[INFO] [stderr]      |                                                 ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2524:51
[INFO] [stderr]      |
[INFO] [stderr] 2524 | ...                   -> ::libc::c_int>) -> ();
[INFO] [stderr]      |                          ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2536:53
[INFO] [stderr]      |
[INFO] [stderr] 2536 | ...                   -> ::libc::c_int>) -> ();
[INFO] [stderr]      |                          ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2548:53
[INFO] [stderr]      |
[INFO] [stderr] 2548 | ...                   -> ::libc::c_int>) -> ();
[INFO] [stderr]      |                          ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2549:40
[INFO] [stderr]      |
[INFO] [stderr] 2549 |     pub fn radixsort(arg1: *mut *const ::libc::c_uchar, arg2: ::libc::c_int,
[INFO] [stderr]      |                                        ^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2549:63
[INFO] [stderr]      |
[INFO] [stderr] 2549 |     pub fn radixsort(arg1: *mut *const ::libc::c_uchar, arg2: ::libc::c_int,
[INFO] [stderr]      |                                                               ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2550:35
[INFO] [stderr]      |
[INFO] [stderr] 2550 |                      arg3: *const ::libc::c_uchar, arg4: ::libc::c_uint)
[INFO] [stderr]      |                                   ^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2550:58
[INFO] [stderr]      |
[INFO] [stderr] 2550 |                      arg3: *const ::libc::c_uchar, arg4: ::libc::c_uint)
[INFO] [stderr]      |                                                          ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2551:9
[INFO] [stderr]      |
[INFO] [stderr] 2551 |      -> ::libc::c_int;
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2552:37
[INFO] [stderr]      |
[INFO] [stderr] 2552 |     pub fn setprogname(arg1: *const ::libc::c_char) -> ();
[INFO] [stderr]      |                                     ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2553:41
[INFO] [stderr]      |
[INFO] [stderr] 2553 |     pub fn sradixsort(arg1: *mut *const ::libc::c_uchar, arg2: ::libc::c_int,
[INFO] [stderr]      |                                         ^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2553:64
[INFO] [stderr]      |
[INFO] [stderr] 2553 |     pub fn sradixsort(arg1: *mut *const ::libc::c_uchar, arg2: ::libc::c_int,
[INFO] [stderr]      |                                                                ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2554:36
[INFO] [stderr]      |
[INFO] [stderr] 2554 |                       arg3: *const ::libc::c_uchar, arg4: ::libc::c_uint)
[INFO] [stderr]      |                                    ^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2554:59
[INFO] [stderr]      |
[INFO] [stderr] 2554 |                       arg3: *const ::libc::c_uchar, arg4: ::libc::c_uint)
[INFO] [stderr]      |                                                           ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2555:9
[INFO] [stderr]      |
[INFO] [stderr] 2555 |      -> ::libc::c_int;
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2560:32
[INFO] [stderr]      |
[INFO] [stderr] 2560 |     pub fn strtoq(arg1: *const ::libc::c_char, arg2: *mut *mut ::libc::c_char,
[INFO] [stderr]      |                                ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2560:64
[INFO] [stderr]      |
[INFO] [stderr] 2560 |     pub fn strtoq(arg1: *const ::libc::c_char, arg2: *mut *mut ::libc::c_char,
[INFO] [stderr]      |                                                                ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2561:25
[INFO] [stderr]      |
[INFO] [stderr] 2561 |                   arg3: ::libc::c_int) -> ::libc::c_longlong;
[INFO] [stderr]      |                         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2561:43
[INFO] [stderr]      |
[INFO] [stderr] 2561 |                   arg3: ::libc::c_int) -> ::libc::c_longlong;
[INFO] [stderr]      |                                           ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2562:33
[INFO] [stderr]      |
[INFO] [stderr] 2562 |     pub fn strtouq(arg1: *const ::libc::c_char,
[INFO] [stderr]      |                                 ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2563:36
[INFO] [stderr]      |
[INFO] [stderr] 2563 |                    arg2: *mut *mut ::libc::c_char, arg3: ::libc::c_int)
[INFO] [stderr]      |                                    ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2563:58
[INFO] [stderr]      |
[INFO] [stderr] 2563 |                    arg2: *mut *mut ::libc::c_char, arg3: ::libc::c_int)
[INFO] [stderr]      |                                                          ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2564:9
[INFO] [stderr]      |
[INFO] [stderr] 2564 |      -> ::libc::c_ulonglong;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2566:54
[INFO] [stderr]      |
[INFO] [stderr] 2566 |     pub fn memchr(arg1: *const ::libc::c_void, arg2: ::libc::c_int,
[INFO] [stderr]      |                                                      ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2569:36
[INFO] [stderr]      |
[INFO] [stderr] 2569 |                   arg3: size_t) -> ::libc::c_int;
[INFO] [stderr]      |                                    ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2574:52
[INFO] [stderr]      |
[INFO] [stderr] 2574 |     pub fn memset(arg1: *mut ::libc::c_void, arg2: ::libc::c_int,
[INFO] [stderr]      |                                                    ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2576:30
[INFO] [stderr]      |
[INFO] [stderr] 2576 |     pub fn strcat(arg1: *mut ::libc::c_char, arg2: *const ::libc::c_char)
[INFO] [stderr]      |                              ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2576:59
[INFO] [stderr]      |
[INFO] [stderr] 2576 |     pub fn strcat(arg1: *mut ::libc::c_char, arg2: *const ::libc::c_char)
[INFO] [stderr]      |                                                           ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2577:14
[INFO] [stderr]      |
[INFO] [stderr] 2577 |      -> *mut ::libc::c_char;
[INFO] [stderr]      |              ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2578:32
[INFO] [stderr]      |
[INFO] [stderr] 2578 |     pub fn strchr(arg1: *const ::libc::c_char, arg2: ::libc::c_int)
[INFO] [stderr]      |                                ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2578:54
[INFO] [stderr]      |
[INFO] [stderr] 2578 |     pub fn strchr(arg1: *const ::libc::c_char, arg2: ::libc::c_int)
[INFO] [stderr]      |                                                      ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2579:14
[INFO] [stderr]      |
[INFO] [stderr] 2579 |      -> *mut ::libc::c_char;
[INFO] [stderr]      |              ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2580:32
[INFO] [stderr]      |
[INFO] [stderr] 2580 |     pub fn strcmp(arg1: *const ::libc::c_char, arg2: *const ::libc::c_char)
[INFO] [stderr]      |                                ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2580:61
[INFO] [stderr]      |
[INFO] [stderr] 2580 |     pub fn strcmp(arg1: *const ::libc::c_char, arg2: *const ::libc::c_char)
[INFO] [stderr]      |                                                             ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2581:9
[INFO] [stderr]      |
[INFO] [stderr] 2581 |      -> ::libc::c_int;
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2582:33
[INFO] [stderr]      |
[INFO] [stderr] 2582 |     pub fn strcoll(arg1: *const ::libc::c_char, arg2: *const ::libc::c_char)
[INFO] [stderr]      |                                 ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2582:62
[INFO] [stderr]      |
[INFO] [stderr] 2582 |     pub fn strcoll(arg1: *const ::libc::c_char, arg2: *const ::libc::c_char)
[INFO] [stderr]      |                                                              ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2583:9
[INFO] [stderr]      |
[INFO] [stderr] 2583 |      -> ::libc::c_int;
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2584:30
[INFO] [stderr]      |
[INFO] [stderr] 2584 |     pub fn strcpy(arg1: *mut ::libc::c_char, arg2: *const ::libc::c_char)
[INFO] [stderr]      |                              ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2584:59
[INFO] [stderr]      |
[INFO] [stderr] 2584 |     pub fn strcpy(arg1: *mut ::libc::c_char, arg2: *const ::libc::c_char)
[INFO] [stderr]      |                                                           ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2585:14
[INFO] [stderr]      |
[INFO] [stderr] 2585 |      -> *mut ::libc::c_char;
[INFO] [stderr]      |              ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2586:33
[INFO] [stderr]      |
[INFO] [stderr] 2586 |     pub fn strcspn(arg1: *const ::libc::c_char, arg2: *const ::libc::c_char)
[INFO] [stderr]      |                                 ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2586:62
[INFO] [stderr]      |
[INFO] [stderr] 2586 |     pub fn strcspn(arg1: *const ::libc::c_char, arg2: *const ::libc::c_char)
[INFO] [stderr]      |                                                              ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2588:27
[INFO] [stderr]      |
[INFO] [stderr] 2588 |     pub fn strerror(arg1: ::libc::c_int) -> *mut ::libc::c_char;
[INFO] [stderr]      |                           ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2588:50
[INFO] [stderr]      |
[INFO] [stderr] 2588 |     pub fn strerror(arg1: ::libc::c_int) -> *mut ::libc::c_char;
[INFO] [stderr]      |                                                  ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2589:32
[INFO] [stderr]      |
[INFO] [stderr] 2589 |     pub fn strlen(arg1: *const ::libc::c_char) -> size_t;
[INFO] [stderr]      |                                ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2590:31
[INFO] [stderr]      |
[INFO] [stderr] 2590 |     pub fn strncat(arg1: *mut ::libc::c_char, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                               ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2590:60
[INFO] [stderr]      |
[INFO] [stderr] 2590 |     pub fn strncat(arg1: *mut ::libc::c_char, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                                                            ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2591:42
[INFO] [stderr]      |
[INFO] [stderr] 2591 |                    arg3: size_t) -> *mut ::libc::c_char;
[INFO] [stderr]      |                                          ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2592:33
[INFO] [stderr]      |
[INFO] [stderr] 2592 |     pub fn strncmp(arg1: *const ::libc::c_char, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                                 ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2592:62
[INFO] [stderr]      |
[INFO] [stderr] 2592 |     pub fn strncmp(arg1: *const ::libc::c_char, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                                                              ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2593:37
[INFO] [stderr]      |
[INFO] [stderr] 2593 |                    arg3: size_t) -> ::libc::c_int;
[INFO] [stderr]      |                                     ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2594:31
[INFO] [stderr]      |
[INFO] [stderr] 2594 |     pub fn strncpy(arg1: *mut ::libc::c_char, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                               ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2594:60
[INFO] [stderr]      |
[INFO] [stderr] 2594 |     pub fn strncpy(arg1: *mut ::libc::c_char, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                                                            ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2595:42
[INFO] [stderr]      |
[INFO] [stderr] 2595 |                    arg3: size_t) -> *mut ::libc::c_char;
[INFO] [stderr]      |                                          ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2596:33
[INFO] [stderr]      |
[INFO] [stderr] 2596 |     pub fn strpbrk(arg1: *const ::libc::c_char, arg2: *const ::libc::c_char)
[INFO] [stderr]      |                                 ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2596:62
[INFO] [stderr]      |
[INFO] [stderr] 2596 |     pub fn strpbrk(arg1: *const ::libc::c_char, arg2: *const ::libc::c_char)
[INFO] [stderr]      |                                                              ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2597:14
[INFO] [stderr]      |
[INFO] [stderr] 2597 |      -> *mut ::libc::c_char;
[INFO] [stderr]      |              ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2598:33
[INFO] [stderr]      |
[INFO] [stderr] 2598 |     pub fn strrchr(arg1: *const ::libc::c_char, arg2: ::libc::c_int)
[INFO] [stderr]      |                                 ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2598:55
[INFO] [stderr]      |
[INFO] [stderr] 2598 |     pub fn strrchr(arg1: *const ::libc::c_char, arg2: ::libc::c_int)
[INFO] [stderr]      |                                                       ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2599:14
[INFO] [stderr]      |
[INFO] [stderr] 2599 |      -> *mut ::libc::c_char;
[INFO] [stderr]      |              ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2600:32
[INFO] [stderr]      |
[INFO] [stderr] 2600 |     pub fn strspn(arg1: *const ::libc::c_char, arg2: *const ::libc::c_char)
[INFO] [stderr]      |                                ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2600:61
[INFO] [stderr]      |
[INFO] [stderr] 2600 |     pub fn strspn(arg1: *const ::libc::c_char, arg2: *const ::libc::c_char)
[INFO] [stderr]      |                                                             ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2602:32
[INFO] [stderr]      |
[INFO] [stderr] 2602 |     pub fn strstr(arg1: *const ::libc::c_char, arg2: *const ::libc::c_char)
[INFO] [stderr]      |                                ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2602:61
[INFO] [stderr]      |
[INFO] [stderr] 2602 |     pub fn strstr(arg1: *const ::libc::c_char, arg2: *const ::libc::c_char)
[INFO] [stderr]      |                                                             ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2603:14
[INFO] [stderr]      |
[INFO] [stderr] 2603 |      -> *mut ::libc::c_char;
[INFO] [stderr]      |              ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2604:30
[INFO] [stderr]      |
[INFO] [stderr] 2604 |     pub fn strtok(arg1: *mut ::libc::c_char, arg2: *const ::libc::c_char)
[INFO] [stderr]      |                              ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2604:59
[INFO] [stderr]      |
[INFO] [stderr] 2604 |     pub fn strtok(arg1: *mut ::libc::c_char, arg2: *const ::libc::c_char)
[INFO] [stderr]      |                                                           ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2605:14
[INFO] [stderr]      |
[INFO] [stderr] 2605 |      -> *mut ::libc::c_char;
[INFO] [stderr]      |              ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2606:31
[INFO] [stderr]      |
[INFO] [stderr] 2606 |     pub fn strxfrm(arg1: *mut ::libc::c_char, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                               ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2606:60
[INFO] [stderr]      |
[INFO] [stderr] 2606 |     pub fn strxfrm(arg1: *mut ::libc::c_char, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                                                            ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2608:32
[INFO] [stderr]      |
[INFO] [stderr] 2608 |     pub fn strtok_r(arg1: *mut ::libc::c_char, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                                ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2608:61
[INFO] [stderr]      |
[INFO] [stderr] 2608 |     pub fn strtok_r(arg1: *mut ::libc::c_char, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                                                             ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2609:37
[INFO] [stderr]      |
[INFO] [stderr] 2609 |                     arg3: *mut *mut ::libc::c_char) -> *mut ::libc::c_char;
[INFO] [stderr]      |                                     ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2609:61
[INFO] [stderr]      |
[INFO] [stderr] 2609 |                     arg3: *mut *mut ::libc::c_char) -> *mut ::libc::c_char;
[INFO] [stderr]      |                                                             ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2610:29
[INFO] [stderr]      |
[INFO] [stderr] 2610 |     pub fn strerror_r(arg1: ::libc::c_int, arg2: *mut ::libc::c_char,
[INFO] [stderr]      |                             ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2610:55
[INFO] [stderr]      |
[INFO] [stderr] 2610 |     pub fn strerror_r(arg1: ::libc::c_int, arg2: *mut ::libc::c_char,
[INFO] [stderr]      |                                                       ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2611:40
[INFO] [stderr]      |
[INFO] [stderr] 2611 |                       arg3: size_t) -> ::libc::c_int;
[INFO] [stderr]      |                                        ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2612:32
[INFO] [stderr]      |
[INFO] [stderr] 2612 |     pub fn strdup(arg1: *const ::libc::c_char) -> *mut ::libc::c_char;
[INFO] [stderr]      |                                ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2612:56
[INFO] [stderr]      |
[INFO] [stderr] 2612 |     pub fn strdup(arg1: *const ::libc::c_char) -> *mut ::libc::c_char;
[INFO] [stderr]      |                                                        ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2614:26
[INFO] [stderr]      |
[INFO] [stderr] 2614 |                    arg3: ::libc::c_int, arg4: size_t) -> *mut ::libc::c_void;
[INFO] [stderr]      |                          ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2615:30
[INFO] [stderr]      |
[INFO] [stderr] 2615 |     pub fn stpcpy(arg1: *mut ::libc::c_char, arg2: *const ::libc::c_char)
[INFO] [stderr]      |                              ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2615:59
[INFO] [stderr]      |
[INFO] [stderr] 2615 |     pub fn stpcpy(arg1: *mut ::libc::c_char, arg2: *const ::libc::c_char)
[INFO] [stderr]      |                                                           ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2616:14
[INFO] [stderr]      |
[INFO] [stderr] 2616 |      -> *mut ::libc::c_char;
[INFO] [stderr]      |              ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2617:31
[INFO] [stderr]      |
[INFO] [stderr] 2617 |     pub fn stpncpy(arg1: *mut ::libc::c_char, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                               ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2617:60
[INFO] [stderr]      |
[INFO] [stderr] 2617 |     pub fn stpncpy(arg1: *mut ::libc::c_char, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                                                            ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2618:42
[INFO] [stderr]      |
[INFO] [stderr] 2618 |                    arg3: size_t) -> *mut ::libc::c_char;
[INFO] [stderr]      |                                          ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2619:33
[INFO] [stderr]      |
[INFO] [stderr] 2619 |     pub fn strndup(arg1: *const ::libc::c_char, arg2: size_t)
[INFO] [stderr]      |                                 ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2620:14
[INFO] [stderr]      |
[INFO] [stderr] 2620 |      -> *mut ::libc::c_char;
[INFO] [stderr]      |              ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2621:33
[INFO] [stderr]      |
[INFO] [stderr] 2621 |     pub fn strnlen(arg1: *const ::libc::c_char, arg2: size_t) -> size_t;
[INFO] [stderr]      |                                 ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2622:27
[INFO] [stderr]      |
[INFO] [stderr] 2622 |     pub fn strsignal(sig: ::libc::c_int) -> *mut ::libc::c_char;
[INFO] [stderr]      |                           ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2622:50
[INFO] [stderr]      |
[INFO] [stderr] 2622 |     pub fn strsignal(sig: ::libc::c_int) -> *mut ::libc::c_char;
[INFO] [stderr]      |                                                  ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2624:27
[INFO] [stderr]      |
[INFO] [stderr] 2624 |                     arg3: ::libc::c_int, arg4: rsize_t) -> errno_t;
[INFO] [stderr]      |                           ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2634:36
[INFO] [stderr]      |
[INFO] [stderr] 2634 |     pub fn strcasestr(arg1: *const ::libc::c_char,
[INFO] [stderr]      |                                    ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2635:36
[INFO] [stderr]      |
[INFO] [stderr] 2635 |                       arg2: *const ::libc::c_char) -> *mut ::libc::c_char;
[INFO] [stderr]      |                                    ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2635:60
[INFO] [stderr]      |
[INFO] [stderr] 2635 |                       arg2: *const ::libc::c_char) -> *mut ::libc::c_char;
[INFO] [stderr]      |                                                            ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2636:33
[INFO] [stderr]      |
[INFO] [stderr] 2636 |     pub fn strnstr(arg1: *const ::libc::c_char, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                                 ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2636:62
[INFO] [stderr]      |
[INFO] [stderr] 2636 |     pub fn strnstr(arg1: *const ::libc::c_char, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                                                              ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2637:42
[INFO] [stderr]      |
[INFO] [stderr] 2637 |                    arg3: size_t) -> *mut ::libc::c_char;
[INFO] [stderr]      |                                          ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2638:31
[INFO] [stderr]      |
[INFO] [stderr] 2638 |     pub fn strlcat(arg1: *mut ::libc::c_char, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                               ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2638:60
[INFO] [stderr]      |
[INFO] [stderr] 2638 |     pub fn strlcat(arg1: *mut ::libc::c_char, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                                                            ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2640:31
[INFO] [stderr]      |
[INFO] [stderr] 2640 |     pub fn strlcpy(arg1: *mut ::libc::c_char, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                               ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2640:60
[INFO] [stderr]      |
[INFO] [stderr] 2640 |     pub fn strlcpy(arg1: *mut ::libc::c_char, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                                                            ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2642:26
[INFO] [stderr]      |
[INFO] [stderr] 2642 |     pub fn strmode(arg1: ::libc::c_int, arg2: *mut ::libc::c_char) -> ();
[INFO] [stderr]      |                          ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2642:52
[INFO] [stderr]      |
[INFO] [stderr] 2642 |     pub fn strmode(arg1: ::libc::c_int, arg2: *mut ::libc::c_char) -> ();
[INFO] [stderr]      |                                                    ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2643:35
[INFO] [stderr]      |
[INFO] [stderr] 2643 |     pub fn strsep(arg1: *mut *mut ::libc::c_char, arg2: *const ::libc::c_char)
[INFO] [stderr]      |                                   ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2643:64
[INFO] [stderr]      |
[INFO] [stderr] 2643 |     pub fn strsep(arg1: *mut *mut ::libc::c_char, arg2: *const ::libc::c_char)
[INFO] [stderr]      |                                                                ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2644:14
[INFO] [stderr]      |
[INFO] [stderr] 2644 |      -> *mut ::libc::c_char;
[INFO] [stderr]      |              ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2648:34
[INFO] [stderr]      |
[INFO] [stderr] 2648 |                 arg3: size_t) -> ::libc::c_int;
[INFO] [stderr]      |                                  ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2652:31
[INFO] [stderr]      |
[INFO] [stderr] 2652 |     pub fn index(arg1: *const ::libc::c_char, arg2: ::libc::c_int)
[INFO] [stderr]      |                               ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2652:53
[INFO] [stderr]      |
[INFO] [stderr] 2652 |     pub fn index(arg1: *const ::libc::c_char, arg2: ::libc::c_int)
[INFO] [stderr]      |                                                     ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2653:14
[INFO] [stderr]      |
[INFO] [stderr] 2653 |      -> *mut ::libc::c_char;
[INFO] [stderr]      |              ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2654:32
[INFO] [stderr]      |
[INFO] [stderr] 2654 |     pub fn rindex(arg1: *const ::libc::c_char, arg2: ::libc::c_int)
[INFO] [stderr]      |                                ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | extern crate libc;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2654:54
[INFO] [stderr]      |
[INFO] [stderr] 2654 |     pub fn rindex(arg1: *const ::libc::c_char, arg2: ::libc::c_int)
[INFO] [stderr]      |                                                      ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2655:14
[INFO] [stderr]      |
[INFO] [stderr] 2655 |      -> *mut ::libc::c_char;
[INFO] [stderr]      |              ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2656:22
[INFO] [stderr]      |
[INFO] [stderr] 2656 |     pub fn ffs(arg1: ::libc::c_int) -> ::libc::c_int;
[INFO] [stderr]      |                      ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2656:40
[INFO] [stderr]      |
[INFO] [stderr] 2656 |     pub fn ffs(arg1: ::libc::c_int) -> ::libc::c_int;
[INFO] [stderr]      |                                        ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2657:36
[INFO] [stderr]      |
[INFO] [stderr] 2657 |     pub fn strcasecmp(arg1: *const ::libc::c_char,
[INFO] [stderr]      |                                    ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2658:36
[INFO] [stderr]      |
[INFO] [stderr] 2658 |                       arg2: *const ::libc::c_char) -> ::libc::c_int;
[INFO] [stderr]      |                                    ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2658:55
[INFO] [stderr]      |
[INFO] [stderr] 2658 |                       arg2: *const ::libc::c_char) -> ::libc::c_int;
[INFO] [stderr]      |                                                       ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2659:37
[INFO] [stderr]      |
[INFO] [stderr] 2659 |     pub fn strncasecmp(arg1: *const ::libc::c_char,
[INFO] [stderr]      |                                     ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2660:37
[INFO] [stderr]      |
[INFO] [stderr] 2660 |                        arg2: *const ::libc::c_char, arg3: size_t)
[INFO] [stderr]      |                                     ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2661:9
[INFO] [stderr]      |
[INFO] [stderr] 2661 |      -> ::libc::c_int;
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/ruby.rs:3:21
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub type __int8_t = ::libc::c_char;
[INFO] [stderr]   |                     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/ruby.rs:4:22
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub type __uint8_t = ::libc::c_uchar;
[INFO] [stderr]   |                      ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/ruby.rs:5:22
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub type __int16_t = ::libc::c_short;
[INFO] [stderr]   |                      ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/ruby.rs:6:23
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub type __uint16_t = ::libc::c_ushort;
[INFO] [stderr]   |                       ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/ruby.rs:7:22
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub type __int32_t = ::libc::c_int;
[INFO] [stderr]   |                      ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2662:23
[INFO] [stderr]      |
[INFO] [stderr] 2662 |     pub fn ffsl(arg1: ::libc::c_long) -> ::libc::c_int;
[INFO] [stderr]      |                       ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/ruby.rs:8:23
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub type __uint32_t = ::libc::c_uint;
[INFO] [stderr]   |                       ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/ruby.rs:9:22
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub type __int64_t = ::libc::c_longlong;
[INFO] [stderr]   |                      ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2662:42
[INFO] [stderr]      |
[INFO] [stderr] 2662 |     pub fn ffsl(arg1: ::libc::c_long) -> ::libc::c_int;
[INFO] [stderr]      |                                          ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ruby.rs:10:23
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub type __uint64_t = ::libc::c_ulonglong;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2663:24
[INFO] [stderr]      |
[INFO] [stderr] 2663 |     pub fn ffsll(arg1: ::libc::c_longlong) -> ::libc::c_int;
[INFO] [stderr]      |                        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ruby.rs:11:30
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub type __darwin_intptr_t = ::libc::c_long;
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ruby.rs:12:31
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub type __darwin_natural_t = ::libc::c_uint;
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2663:47
[INFO] [stderr]      |
[INFO] [stderr] 2663 |     pub fn ffsll(arg1: ::libc::c_longlong) -> ::libc::c_int;
[INFO] [stderr]      |                                               ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ruby.rs:13:31
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub type __darwin_ct_rune_t = ::libc::c_int;
[INFO] [stderr]    |                               ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2664:22
[INFO] [stderr]      |
[INFO] [stderr] 2664 |     pub fn fls(arg1: ::libc::c_int) -> ::libc::c_int;
[INFO] [stderr]      |                      ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ruby.rs:37:31
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub type __darwin_ptrdiff_t = ::libc::c_long;
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ruby.rs:38:28
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub type __darwin_size_t = ::libc::c_ulong;
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2664:40
[INFO] [stderr]      |
[INFO] [stderr] 2664 |     pub fn fls(arg1: ::libc::c_int) -> ::libc::c_int;
[INFO] [stderr]      |                                        ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ruby.rs:40:29
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub type __darwin_wchar_t = ::libc::c_int;
[INFO] [stderr]    |                             ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2665:23
[INFO] [stderr]      |
[INFO] [stderr] 2665 |     pub fn flsl(arg1: ::libc::c_long) -> ::libc::c_int;
[INFO] [stderr]      |                       ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ruby.rs:42:28
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub type __darwin_wint_t = ::libc::c_int;
[INFO] [stderr]    |                            ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2665:42
[INFO] [stderr]      |
[INFO] [stderr] 2665 |     pub fn flsl(arg1: ::libc::c_long) -> ::libc::c_int;
[INFO] [stderr]      |                                          ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ruby.rs:43:29
[INFO] [stderr]    |
[INFO] [stderr] 43 | pub type __darwin_clock_t = ::libc::c_ulong;
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ruby.rs:45:29
[INFO] [stderr]    |
[INFO] [stderr] 45 | pub type __darwin_ssize_t = ::libc::c_long;
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2666:24
[INFO] [stderr]      |
[INFO] [stderr] 2666 |     pub fn flsll(arg1: ::libc::c_longlong) -> ::libc::c_int;
[INFO] [stderr]      |                        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ruby.rs:46:28
[INFO] [stderr]    |
[INFO] [stderr] 46 | pub type __darwin_time_t = ::libc::c_long;
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2666:47
[INFO] [stderr]      |
[INFO] [stderr] 2666 |     pub fn flsll(arg1: ::libc::c_longlong) -> ::libc::c_int;
[INFO] [stderr]      |                                               ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ruby.rs:50:32
[INFO] [stderr]    |
[INFO] [stderr] 50 | pub type __darwin_fsblkcnt_t = ::libc::c_uint;
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2669:37
[INFO] [stderr]      |
[INFO] [stderr] 2669 |     pub fn strtoimax(__nptr: *const ::libc::c_char,
[INFO] [stderr]      |                                     ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ruby.rs:51:32
[INFO] [stderr]    |
[INFO] [stderr] 51 | pub type __darwin_fsfilcnt_t = ::libc::c_uint;
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2670:42
[INFO] [stderr]      |
[INFO] [stderr] 2670 |                      __endptr: *mut *mut ::libc::c_char,
[INFO] [stderr]      |                                          ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ruby.rs:65:29
[INFO] [stderr]    |
[INFO] [stderr] 65 | pub type __darwin_uuid_t = [::libc::c_uchar; 16usize];
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ruby.rs:66:36
[INFO] [stderr]    |
[INFO] [stderr] 66 | pub type __darwin_uuid_string_t = [::libc::c_char; 37usize];
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2671:30
[INFO] [stderr]      |
[INFO] [stderr] 2671 |                      __base: ::libc::c_int) -> intmax_t;
[INFO] [stderr]      |                              ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/ruby.rs:194:35
[INFO] [stderr]     |
[INFO] [stderr] 194 | pub type __darwin_pthread_key_t = ::libc::c_ulong;
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2672:37
[INFO] [stderr]      |
[INFO] [stderr] 2672 |     pub fn strtoumax(__nptr: *const ::libc::c_char,
[INFO] [stderr]      |                                     ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/ruby.rs:201:29
[INFO] [stderr]     |
[INFO] [stderr] 201 | pub type __darwin_nl_item = ::libc::c_int;
[INFO] [stderr]     |                             ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2673:42
[INFO] [stderr]      |
[INFO] [stderr] 2673 |                      __endptr: *mut *mut ::libc::c_char,
[INFO] [stderr]      |                                          ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/ruby.rs:202:31
[INFO] [stderr]     |
[INFO] [stderr] 202 | pub type __darwin_wctrans_t = ::libc::c_int;
[INFO] [stderr]     |                               ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2674:30
[INFO] [stderr]      |
[INFO] [stderr] 2674 |                      __base: ::libc::c_int) -> uintmax_t;
[INFO] [stderr]      |                              ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/ruby.rs:270:19
[INFO] [stderr]     |
[INFO] [stderr] 270 | pub type int8_t = ::libc::c_char;
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2676:30
[INFO] [stderr]      |
[INFO] [stderr] 2676 |                      __base: ::libc::c_int) -> intmax_t;
[INFO] [stderr]      |                              ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/ruby.rs:271:20
[INFO] [stderr]     |
[INFO] [stderr] 271 | pub type int16_t = ::libc::c_short;
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/ruby.rs:272:20
[INFO] [stderr]     |
[INFO] [stderr] 272 | pub type int32_t = ::libc::c_int;
[INFO] [stderr]     |                    ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2678:30
[INFO] [stderr]      |
[INFO] [stderr] 2678 |                      __base: ::libc::c_int) -> uintmax_t;
[INFO] [stderr]      |                              ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2679:34
[INFO] [stderr]      |
[INFO] [stderr] 2679 |     pub fn getattrlistbulk(arg1: ::libc::c_int, arg2: *mut ::libc::c_void,
[INFO] [stderr]      |                                  ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/ruby.rs:273:20
[INFO] [stderr]     |
[INFO] [stderr] 273 | pub type int64_t = ::libc::c_longlong;
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2681:47
[INFO] [stderr]      |
[INFO] [stderr] 2681 | ...                   arg5: uint64_t) -> ::libc::c_int;
[INFO] [stderr]      |                                          ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/ruby.rs:274:21
[INFO] [stderr]     |
[INFO] [stderr] 274 | pub type u_int8_t = ::libc::c_uchar;
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/ruby.rs:275:22
[INFO] [stderr]     |
[INFO] [stderr] 275 | pub type u_int16_t = ::libc::c_ushort;
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2682:28
[INFO] [stderr]      |
[INFO] [stderr] 2682 |     pub fn faccessat(arg1: ::libc::c_int, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                            ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/ruby.rs:276:22
[INFO] [stderr]     |
[INFO] [stderr] 276 | pub type u_int32_t = ::libc::c_uint;
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2682:56
[INFO] [stderr]      |
[INFO] [stderr] 2682 |     pub fn faccessat(arg1: ::libc::c_int, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                                                        ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/ruby.rs:277:22
[INFO] [stderr]     |
[INFO] [stderr] 277 | pub type u_int64_t = ::libc::c_ulonglong;
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2683:28
[INFO] [stderr]      |
[INFO] [stderr] 2683 |                      arg3: ::libc::c_int, arg4: ::libc::c_int)
[INFO] [stderr]      |                            ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/ruby.rs:280:22
[INFO] [stderr]     |
[INFO] [stderr] 280 | pub type uintptr_t = ::libc::c_ulong;
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2683:49
[INFO] [stderr]      |
[INFO] [stderr] 2683 |                      arg3: ::libc::c_int, arg4: ::libc::c_int)
[INFO] [stderr]      |                                                 ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/ruby.rs:289:19
[INFO] [stderr]     |
[INFO] [stderr] 289 | pub type u_char = ::libc::c_uchar;
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2684:9
[INFO] [stderr]      |
[INFO] [stderr] 2684 |      -> ::libc::c_int;
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/ruby.rs:290:20
[INFO] [stderr]     |
[INFO] [stderr] 290 | pub type u_short = ::libc::c_ushort;
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/ruby.rs:291:18
[INFO] [stderr]     |
[INFO] [stderr] 291 | pub type u_int = ::libc::c_uint;
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/ruby.rs:292:19
[INFO] [stderr]     |
[INFO] [stderr] 292 | pub type u_long = ::libc::c_ulong;
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/ruby.rs:293:19
[INFO] [stderr]     |
[INFO] [stderr] 293 | pub type ushort = ::libc::c_ushort;
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/ruby.rs:294:18
[INFO] [stderr]     |
[INFO] [stderr] 294 | pub type _uint = ::libc::c_uint;
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/ruby.rs:298:25
[INFO] [stderr]     |
[INFO] [stderr] 298 | pub type caddr_t = *mut ::libc::c_char;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/ruby.rs:322:20
[INFO] [stderr]     |
[INFO] [stderr] 322 | pub type errno_t = ::libc::c_int;
[INFO] [stderr]     |                    ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/ruby.rs:443:26
[INFO] [stderr]     |
[INFO] [stderr] 443 | pub type Enum_Unnamed2 = ::libc::c_uint;
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/ruby.rs:444:18
[INFO] [stderr]     |
[INFO] [stderr] 444 | pub const P_ALL: ::libc::c_uint = 0;
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/ruby.rs:445:18
[INFO] [stderr]     |
[INFO] [stderr] 445 | pub const P_PID: ::libc::c_uint = 1;
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2685:27
[INFO] [stderr]      |
[INFO] [stderr] 2685 |     pub fn fchownat(arg1: ::libc::c_int, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                           ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2685:55
[INFO] [stderr]      |
[INFO] [stderr] 2685 |     pub fn fchownat(arg1: ::libc::c_int, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                                                       ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2686:53
[INFO] [stderr]      |
[INFO] [stderr] 2686 |                     arg3: uid_t, arg4: gid_t, arg5: ::libc::c_int)
[INFO] [stderr]      |                                                     ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2687:9
[INFO] [stderr]      |
[INFO] [stderr] 2687 |      -> ::libc::c_int;
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2688:25
[INFO] [stderr]      |
[INFO] [stderr] 2688 |     pub fn linkat(arg1: ::libc::c_int, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2688:53
[INFO] [stderr]      |
[INFO] [stderr] 2688 |     pub fn linkat(arg1: ::libc::c_int, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                                                     ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2689:25
[INFO] [stderr]      |
[INFO] [stderr] 2689 |                   arg3: ::libc::c_int, arg4: *const ::libc::c_char,
[INFO] [stderr]      |                         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2689:53
[INFO] [stderr]      |
[INFO] [stderr] 2689 |                   arg3: ::libc::c_int, arg4: *const ::libc::c_char,
[INFO] [stderr]      |                                                     ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2690:25
[INFO] [stderr]      |
[INFO] [stderr] 2690 |                   arg5: ::libc::c_int) -> ::libc::c_int;
[INFO] [stderr]      |                         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2690:43
[INFO] [stderr]      |
[INFO] [stderr] 2690 |                   arg5: ::libc::c_int) -> ::libc::c_int;
[INFO] [stderr]      |                                           ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2691:29
[INFO] [stderr]      |
[INFO] [stderr] 2691 |     pub fn readlinkat(arg1: ::libc::c_int, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                             ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2691:57
[INFO] [stderr]      |
[INFO] [stderr] 2691 |     pub fn readlinkat(arg1: ::libc::c_int, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                                                         ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2692:34
[INFO] [stderr]      |
[INFO] [stderr] 2692 |                       arg3: *mut ::libc::c_char, arg4: size_t) -> ssize_t;
[INFO] [stderr]      |                                  ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2693:35
[INFO] [stderr]      |
[INFO] [stderr] 2693 |     pub fn symlinkat(arg1: *const ::libc::c_char, arg2: ::libc::c_int,
[INFO] [stderr]      |                                   ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2693:57
[INFO] [stderr]      |
[INFO] [stderr] 2693 |     pub fn symlinkat(arg1: *const ::libc::c_char, arg2: ::libc::c_int,
[INFO] [stderr]      |                                                         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2694:35
[INFO] [stderr]      |
[INFO] [stderr] 2694 |                      arg3: *const ::libc::c_char) -> ::libc::c_int;
[INFO] [stderr]      |                                   ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2694:54
[INFO] [stderr]      |
[INFO] [stderr] 2694 |                      arg3: *const ::libc::c_char) -> ::libc::c_int;
[INFO] [stderr]      |                                                      ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2695:27
[INFO] [stderr]      |
[INFO] [stderr] 2695 |     pub fn unlinkat(arg1: ::libc::c_int, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                           ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2695:55
[INFO] [stderr]      |
[INFO] [stderr] 2695 |     pub fn unlinkat(arg1: ::libc::c_int, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                                                       ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2696:27
[INFO] [stderr]      |
[INFO] [stderr] 2696 |                     arg3: ::libc::c_int) -> ::libc::c_int;
[INFO] [stderr]      |                           ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2696:45
[INFO] [stderr]      |
[INFO] [stderr] 2696 |                     arg3: ::libc::c_int) -> ::libc::c_int;
[INFO] [stderr]      |                                             ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2697:32
[INFO] [stderr]      |
[INFO] [stderr] 2697 |     pub fn getattrlistat(arg1: ::libc::c_int, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                                ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2697:60
[INFO] [stderr]      |
[INFO] [stderr] 2697 |     pub fn getattrlistat(arg1: ::libc::c_int, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                                                            ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2699:46
[INFO] [stderr]      |
[INFO] [stderr] 2699 |                          arg5: size_t, arg6: ::libc::c_ulong)
[INFO] [stderr]      |                                              ^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2700:9
[INFO] [stderr]      |
[INFO] [stderr] 2700 |      -> ::libc::c_int;
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/ruby.rs:446:19
[INFO] [stderr]     |
[INFO] [stderr] 446 | pub const P_PGID: ::libc::c_uint = 2;
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/ruby.rs:448:25
[INFO] [stderr]     |
[INFO] [stderr] 448 | pub type sig_atomic_t = ::libc::c_int;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1038:47
[INFO] [stderr]      |
[INFO] [stderr] 1038 |     ::std::option::Option<extern "C" fn(arg1: ::libc::c_int) -> ()>;
[INFO] [stderr]      |                                               ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1065:20
[INFO] [stderr]      |
[INFO] [stderr] 1065 | pub type uint8_t = ::libc::c_uchar;
[INFO] [stderr]      |                    ^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1066:21
[INFO] [stderr]      |
[INFO] [stderr] 1066 | pub type uint16_t = ::libc::c_ushort;
[INFO] [stderr]      |                     ^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1067:21
[INFO] [stderr]      |
[INFO] [stderr] 1067 | pub type uint32_t = ::libc::c_uint;
[INFO] [stderr]      |                     ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1068:21
[INFO] [stderr]      |
[INFO] [stderr] 1068 | pub type uint64_t = ::libc::c_ulonglong;
[INFO] [stderr]      |                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1085:21
[INFO] [stderr]      |
[INFO] [stderr] 1085 | pub type intmax_t = ::libc::c_long;
[INFO] [stderr]      |                     ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1086:22
[INFO] [stderr]      |
[INFO] [stderr] 1086 | pub type uintmax_t = ::libc::c_ulong;
[INFO] [stderr]      |                      ^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1356:22
[INFO] [stderr]      |
[INFO] [stderr] 1356 | pub type ptrdiff_t = ::libc::c_long;
[INFO] [stderr]      |                      ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1399:20
[INFO] [stderr]      |
[INFO] [stderr] 1399 | pub type float_t = ::libc::c_float;
[INFO] [stderr]      |                    ^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1400:21
[INFO] [stderr]      |
[INFO] [stderr] 1400 | pub type double_t = ::libc::c_double;
[INFO] [stderr]      |                     ^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1441:18
[INFO] [stderr]      |
[INFO] [stderr] 1441 | pub type VALUE = ::libc::c_ulong;
[INFO] [stderr]      |                  ^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1442:15
[INFO] [stderr]      |
[INFO] [stderr] 1442 | pub type ID = ::libc::c_ulong;
[INFO] [stderr]      |               ^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1443:35
[INFO] [stderr]      |
[INFO] [stderr] 1443 | pub type ruby_check_sizeof_int = [::libc::c_char; 1usize];
[INFO] [stderr]      |                                   ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1444:36
[INFO] [stderr]      |
[INFO] [stderr] 1444 | pub type ruby_check_sizeof_long = [::libc::c_char; 1usize];
[INFO] [stderr]      |                                    ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1445:41
[INFO] [stderr]      |
[INFO] [stderr] 1445 | pub type ruby_check_sizeof_long_long = [::libc::c_char; 1usize];
[INFO] [stderr]      |                                         ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1446:37
[INFO] [stderr]      |
[INFO] [stderr] 1446 | pub type ruby_check_sizeof_voidp = [::libc::c_char; 1usize];
[INFO] [stderr]      |                                     ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1447:37
[INFO] [stderr]      |
[INFO] [stderr] 1447 | pub type Enum_ruby_special_consts = ::libc::c_uint;
[INFO] [stderr]      |                                     ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1448:24
[INFO] [stderr]      |
[INFO] [stderr] 1448 | pub const RUBY_Qfalse: ::libc::c_uint = 0;
[INFO] [stderr]      |                        ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1449:23
[INFO] [stderr]      |
[INFO] [stderr] 1449 | pub const RUBY_Qtrue: ::libc::c_uint = 20;
[INFO] [stderr]      |                       ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1450:22
[INFO] [stderr]      |
[INFO] [stderr] 1450 | pub const RUBY_Qnil: ::libc::c_uint = 8;
[INFO] [stderr]      |                      ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1451:24
[INFO] [stderr]      |
[INFO] [stderr] 1451 | pub const RUBY_Qundef: ::libc::c_uint = 52;
[INFO] [stderr]      |                        ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1452:32
[INFO] [stderr]      |
[INFO] [stderr] 1452 | pub const RUBY_IMMEDIATE_MASK: ::libc::c_uint = 7;
[INFO] [stderr]      |                                ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1453:29
[INFO] [stderr]      |
[INFO] [stderr] 1453 | pub const RUBY_FIXNUM_FLAG: ::libc::c_uint = 1;
[INFO] [stderr]      |                             ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1454:29
[INFO] [stderr]      |
[INFO] [stderr] 1454 | pub const RUBY_FLONUM_MASK: ::libc::c_uint = 3;
[INFO] [stderr]      |                             ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1455:29
[INFO] [stderr]      |
[INFO] [stderr] 1455 | pub const RUBY_FLONUM_FLAG: ::libc::c_uint = 2;
[INFO] [stderr]      |                             ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1456:29
[INFO] [stderr]      |
[INFO] [stderr] 1456 | pub const RUBY_SYMBOL_FLAG: ::libc::c_uint = 12;
[INFO] [stderr]      |                             ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1457:31
[INFO] [stderr]      |
[INFO] [stderr] 1457 | pub const RUBY_SPECIAL_SHIFT: ::libc::c_uint = 8;
[INFO] [stderr]      |                               ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1458:33
[INFO] [stderr]      |
[INFO] [stderr] 1458 | pub type Enum_ruby_value_type = ::libc::c_uint;
[INFO] [stderr]      |                                 ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1459:24
[INFO] [stderr]      |
[INFO] [stderr] 1459 | pub const RUBY_T_NONE: ::libc::c_uint = 0;
[INFO] [stderr]      |                        ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1460:26
[INFO] [stderr]      |
[INFO] [stderr] 1460 | pub const RUBY_T_OBJECT: ::libc::c_uint = 1;
[INFO] [stderr]      |                          ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1461:25
[INFO] [stderr]      |
[INFO] [stderr] 1461 | pub const RUBY_T_CLASS: ::libc::c_uint = 2;
[INFO] [stderr]      |                         ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1462:26
[INFO] [stderr]      |
[INFO] [stderr] 1462 | pub const RUBY_T_MODULE: ::libc::c_uint = 3;
[INFO] [stderr]      |                          ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1463:25
[INFO] [stderr]      |
[INFO] [stderr] 1463 | pub const RUBY_T_FLOAT: ::libc::c_uint = 4;
[INFO] [stderr]      |                         ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1464:26
[INFO] [stderr]      |
[INFO] [stderr] 1464 | pub const RUBY_T_STRING: ::libc::c_uint = 5;
[INFO] [stderr]      |                          ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1465:26
[INFO] [stderr]      |
[INFO] [stderr] 1465 | pub const RUBY_T_REGEXP: ::libc::c_uint = 6;
[INFO] [stderr]      |                          ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1466:25
[INFO] [stderr]      |
[INFO] [stderr] 1466 | pub const RUBY_T_ARRAY: ::libc::c_uint = 7;
[INFO] [stderr]      |                         ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1467:24
[INFO] [stderr]      |
[INFO] [stderr] 1467 | pub const RUBY_T_HASH: ::libc::c_uint = 8;
[INFO] [stderr]      |                        ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1468:26
[INFO] [stderr]      |
[INFO] [stderr] 1468 | pub const RUBY_T_STRUCT: ::libc::c_uint = 9;
[INFO] [stderr]      |                          ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1469:26
[INFO] [stderr]      |
[INFO] [stderr] 1469 | pub const RUBY_T_BIGNUM: ::libc::c_uint = 10;
[INFO] [stderr]      |                          ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1470:24
[INFO] [stderr]      |
[INFO] [stderr] 1470 | pub const RUBY_T_FILE: ::libc::c_uint = 11;
[INFO] [stderr]      |                        ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1471:24
[INFO] [stderr]      |
[INFO] [stderr] 1471 | pub const RUBY_T_DATA: ::libc::c_uint = 12;
[INFO] [stderr]      |                        ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1472:25
[INFO] [stderr]      |
[INFO] [stderr] 1472 | pub const RUBY_T_MATCH: ::libc::c_uint = 13;
[INFO] [stderr]      |                         ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1473:27
[INFO] [stderr]      |
[INFO] [stderr] 1473 | pub const RUBY_T_COMPLEX: ::libc::c_uint = 14;
[INFO] [stderr]      |                           ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1474:28
[INFO] [stderr]      |
[INFO] [stderr] 1474 | pub const RUBY_T_RATIONAL: ::libc::c_uint = 15;
[INFO] [stderr]      |                            ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1475:23
[INFO] [stderr]      |
[INFO] [stderr] 1475 | pub const RUBY_T_NIL: ::libc::c_uint = 17;
[INFO] [stderr]      |                       ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1476:24
[INFO] [stderr]      |
[INFO] [stderr] 1476 | pub const RUBY_T_TRUE: ::libc::c_uint = 18;
[INFO] [stderr]      |                        ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1477:25
[INFO] [stderr]      |
[INFO] [stderr] 1477 | pub const RUBY_T_FALSE: ::libc::c_uint = 19;
[INFO] [stderr]      |                         ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1478:26
[INFO] [stderr]      |
[INFO] [stderr] 1478 | pub const RUBY_T_SYMBOL: ::libc::c_uint = 20;
[INFO] [stderr]      |                          ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1479:26
[INFO] [stderr]      |
[INFO] [stderr] 1479 | pub const RUBY_T_FIXNUM: ::libc::c_uint = 21;
[INFO] [stderr]      |                          ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1480:25
[INFO] [stderr]      |
[INFO] [stderr] 1480 | pub const RUBY_T_UNDEF: ::libc::c_uint = 27;
[INFO] [stderr]      |                         ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1481:24
[INFO] [stderr]      |
[INFO] [stderr] 1481 | pub const RUBY_T_NODE: ::libc::c_uint = 28;
[INFO] [stderr]      |                        ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1482:26
[INFO] [stderr]      |
[INFO] [stderr] 1482 | pub const RUBY_T_ICLASS: ::libc::c_uint = 29;
[INFO] [stderr]      |                          ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1483:26
[INFO] [stderr]      |
[INFO] [stderr] 1483 | pub const RUBY_T_ZOMBIE: ::libc::c_uint = 30;
[INFO] [stderr]      |                          ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1484:24
[INFO] [stderr]      |
[INFO] [stderr] 1484 | pub const RUBY_T_MASK: ::libc::c_uint = 31;
[INFO] [stderr]      |                        ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1839:39
[INFO] [stderr]      |
[INFO] [stderr] 1839 |     unsafe extern "C" fn(arg1: *const ::libc::c_char, arg2: VALUE,
[INFO] [stderr]      |                                       ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1840:56
[INFO] [stderr]      |
[INFO] [stderr] 1840 |                          arg3: *mut ::libc::c_void) -> ::libc::c_int;
[INFO] [stderr]      |                                                        ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1851:32
[INFO] [stderr]      |
[INFO] [stderr] 1851 |                          argc: ::libc::c_int, argv: *const VALUE,
[INFO] [stderr]      |                                ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1855:22
[INFO] [stderr]      |
[INFO] [stderr] 1855 | pub type st_data_t = ::libc::c_ulong;
[INFO] [stderr]      |                      ^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1859:56
[INFO] [stderr]      |
[INFO] [stderr] 1859 |     extern "C" fn(arg1: st_data_t, arg2: st_data_t) -> ::libc::c_int;
[INFO] [stderr]      |                                                        ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1861:44
[INFO] [stderr]      |
[INFO] [stderr] 1861 | pub type st_check_for_sizeof_st_index_t = [::libc::c_char; 1usize];
[INFO] [stderr]      |                                            ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1937:27
[INFO] [stderr]      |
[INFO] [stderr] 1937 | pub type Enum_st_retval = ::libc::c_uint;
[INFO] [stderr]      |                           ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1938:24
[INFO] [stderr]      |
[INFO] [stderr] 1938 | pub const ST_CONTINUE: ::libc::c_uint = 0;
[INFO] [stderr]      |                        ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1939:20
[INFO] [stderr]      |
[INFO] [stderr] 1939 | pub const ST_STOP: ::libc::c_uint = 1;
[INFO] [stderr]      |                    ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1940:22
[INFO] [stderr]      |
[INFO] [stderr] 1940 | pub const ST_DELETE: ::libc::c_uint = 2;
[INFO] [stderr]      |                      ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1941:21
[INFO] [stderr]      |
[INFO] [stderr] 1941 | pub const ST_CHECK: ::libc::c_uint = 3;
[INFO] [stderr]      |                     ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1944:52
[INFO] [stderr]      |
[INFO] [stderr] 1944 |                          arg: st_data_t, existing: ::libc::c_int)
[INFO] [stderr]      |                                                    ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1945:12
[INFO] [stderr]      |
[INFO] [stderr] 1945 |         -> ::libc::c_int;
[INFO] [stderr]      |            ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1995:26
[INFO] [stderr]      |
[INFO] [stderr] 1995 |     pub static sys_nerr: ::libc::c_int;
[INFO] [stderr]      |                          ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1996:47
[INFO] [stderr]      |
[INFO] [stderr] 1996 |     pub static mut sys_errlist: *const *const ::libc::c_char;
[INFO] [stderr]      |                                               ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1997:34
[INFO] [stderr]      |
[INFO] [stderr] 1997 |     pub static mut __mb_cur_max: ::libc::c_int;
[INFO] [stderr]      |                                  ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1998:36
[INFO] [stderr]      |
[INFO] [stderr] 1998 |     pub static mut suboptarg: *mut ::libc::c_char;
[INFO] [stderr]      |                                    ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:1999:33
[INFO] [stderr]      |
[INFO] [stderr] 1999 |     pub static mut optarg: *mut ::libc::c_char;
[INFO] [stderr]      |                                 ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2000:28
[INFO] [stderr]      |
[INFO] [stderr] 2000 |     pub static mut optind: ::libc::c_int;
[INFO] [stderr]      |                            ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2001:28
[INFO] [stderr]      |
[INFO] [stderr] 2001 |     pub static mut opterr: ::libc::c_int;
[INFO] [stderr]      |                            ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2002:28
[INFO] [stderr]      |
[INFO] [stderr] 2002 |     pub static mut optopt: ::libc::c_int;
[INFO] [stderr]      |                            ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2003:30
[INFO] [stderr]      |
[INFO] [stderr] 2003 |     pub static mut optreset: ::libc::c_int;
[INFO] [stderr]      |                              ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2004:29
[INFO] [stderr]      |
[INFO] [stderr] 2004 |     pub static mut signgam: ::libc::c_int;
[INFO] [stderr]      |                             ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2094:37
[INFO] [stderr]      |
[INFO] [stderr] 2094 |     pub static mut ruby_sourceline: ::libc::c_int;
[INFO] [stderr]      |                                     ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2095:42
[INFO] [stderr]      |
[INFO] [stderr] 2095 |     pub static mut ruby_sourcefile: *mut ::libc::c_char;
[INFO] [stderr]      |                                          ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2100:27
[INFO] [stderr]      |
[INFO] [stderr] 2100 |     pub fn renameat(arg1: ::libc::c_int, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                           ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2100:55
[INFO] [stderr]      |
[INFO] [stderr] 2100 |     pub fn renameat(arg1: ::libc::c_int, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                                                       ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2101:27
[INFO] [stderr]      |
[INFO] [stderr] 2101 |                     arg3: ::libc::c_int, arg4: *const ::libc::c_char)
[INFO] [stderr]      |                           ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2101:55
[INFO] [stderr]      |
[INFO] [stderr] 2101 |                     arg3: ::libc::c_int, arg4: *const ::libc::c_char)
[INFO] [stderr]      |                                                       ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2102:9
[INFO] [stderr]      |
[INFO] [stderr] 2102 |      -> ::libc::c_int;
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2104:39
[INFO] [stderr]      |
[INFO] [stderr] 2104 |     pub fn fclose(arg1: *mut FILE) -> ::libc::c_int;
[INFO] [stderr]      |                                       ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2105:37
[INFO] [stderr]      |
[INFO] [stderr] 2105 |     pub fn feof(arg1: *mut FILE) -> ::libc::c_int;
[INFO] [stderr]      |                                     ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2106:39
[INFO] [stderr]      |
[INFO] [stderr] 2106 |     pub fn ferror(arg1: *mut FILE) -> ::libc::c_int;
[INFO] [stderr]      |                                       ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2107:39
[INFO] [stderr]      |
[INFO] [stderr] 2107 |     pub fn fflush(arg1: *mut FILE) -> ::libc::c_int;
[INFO] [stderr]      |                                       ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2108:38
[INFO] [stderr]      |
[INFO] [stderr] 2108 |     pub fn fgetc(arg1: *mut FILE) -> ::libc::c_int;
[INFO] [stderr]      |                                      ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2109:59
[INFO] [stderr]      |
[INFO] [stderr] 2109 |     pub fn fgetpos(arg1: *mut FILE, arg2: *mut fpos_t) -> ::libc::c_int;
[INFO] [stderr]      |                                                           ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2110:29
[INFO] [stderr]      |
[INFO] [stderr] 2110 |     pub fn fgets(arg1: *mut ::libc::c_char, arg2: ::libc::c_int,
[INFO] [stderr]      |                             ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2110:51
[INFO] [stderr]      |
[INFO] [stderr] 2110 |     pub fn fgets(arg1: *mut ::libc::c_char, arg2: ::libc::c_int,
[INFO] [stderr]      |                                                   ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2111:43
[INFO] [stderr]      |
[INFO] [stderr] 2111 |                  arg3: *mut FILE) -> *mut ::libc::c_char;
[INFO] [stderr]      |                                           ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2112:31
[INFO] [stderr]      |
[INFO] [stderr] 2112 |     pub fn fopen(arg1: *const ::libc::c_char, arg2: *const ::libc::c_char)
[INFO] [stderr]      |                               ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2112:60
[INFO] [stderr]      |
[INFO] [stderr] 2112 |     pub fn fopen(arg1: *const ::libc::c_char, arg2: *const ::libc::c_char)
[INFO] [stderr]      |                                                            ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2114:50
[INFO] [stderr]      |
[INFO] [stderr] 2114 |     pub fn fprintf(arg1: *mut FILE, arg2: *const ::libc::c_char, ...)
[INFO] [stderr]      |                                                  ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2115:9
[INFO] [stderr]      |
[INFO] [stderr] 2115 |      -> ::libc::c_int;
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2116:24
[INFO] [stderr]      |
[INFO] [stderr] 2116 |     pub fn fputc(arg1: ::libc::c_int, arg2: *mut FILE) -> ::libc::c_int;
[INFO] [stderr]      |                        ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2116:59
[INFO] [stderr]      |
[INFO] [stderr] 2116 |     pub fn fputc(arg1: ::libc::c_int, arg2: *mut FILE) -> ::libc::c_int;
[INFO] [stderr]      |                                                           ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2117:31
[INFO] [stderr]      |
[INFO] [stderr] 2117 |     pub fn fputs(arg1: *const ::libc::c_char, arg2: *mut FILE)
[INFO] [stderr]      |                               ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2118:9
[INFO] [stderr]      |
[INFO] [stderr] 2118 |      -> ::libc::c_int;
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2121:33
[INFO] [stderr]      |
[INFO] [stderr] 2121 |     pub fn freopen(arg1: *const ::libc::c_char, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                                 ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2121:62
[INFO] [stderr]      |
[INFO] [stderr] 2121 |     pub fn freopen(arg1: *const ::libc::c_char, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                                                              ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2123:49
[INFO] [stderr]      |
[INFO] [stderr] 2123 |     pub fn fscanf(arg1: *mut FILE, arg2: *const ::libc::c_char, ...)
[INFO] [stderr]      |                                                 ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2124:9
[INFO] [stderr]      |
[INFO] [stderr] 2124 |      -> ::libc::c_int;
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2125:41
[INFO] [stderr]      |
[INFO] [stderr] 2125 |     pub fn fseek(arg1: *mut FILE, arg2: ::libc::c_long, arg3: ::libc::c_int)
[INFO] [stderr]      |                                         ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2125:63
[INFO] [stderr]      |
[INFO] [stderr] 2125 |     pub fn fseek(arg1: *mut FILE, arg2: ::libc::c_long, arg3: ::libc::c_int)
[INFO] [stderr]      |                                                               ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2126:9
[INFO] [stderr]      |
[INFO] [stderr] 2126 |      -> ::libc::c_int;
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2127:61
[INFO] [stderr]      |
[INFO] [stderr] 2127 |     pub fn fsetpos(arg1: *mut FILE, arg2: *const fpos_t) -> ::libc::c_int;
[INFO] [stderr]      |                                                             ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2128:38
[INFO] [stderr]      |
[INFO] [stderr] 2128 |     pub fn ftell(arg1: *mut FILE) -> ::libc::c_long;
[INFO] [stderr]      |                                      ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2131:37
[INFO] [stderr]      |
[INFO] [stderr] 2131 |     pub fn getc(arg1: *mut FILE) -> ::libc::c_int;
[INFO] [stderr]      |                                     ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2132:25
[INFO] [stderr]      |
[INFO] [stderr] 2132 |     pub fn getchar() -> ::libc::c_int;
[INFO] [stderr]      |                         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2133:28
[INFO] [stderr]      |
[INFO] [stderr] 2133 |     pub fn gets(arg1: *mut ::libc::c_char) -> *mut ::libc::c_char;
[INFO] [stderr]      |                            ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2133:52
[INFO] [stderr]      |
[INFO] [stderr] 2133 |     pub fn gets(arg1: *mut ::libc::c_char) -> *mut ::libc::c_char;
[INFO] [stderr]      |                                                    ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2134:32
[INFO] [stderr]      |
[INFO] [stderr] 2134 |     pub fn perror(arg1: *const ::libc::c_char) -> ();
[INFO] [stderr]      |                                ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2135:32
[INFO] [stderr]      |
[INFO] [stderr] 2135 |     pub fn printf(arg1: *const ::libc::c_char, ...) -> ::libc::c_int;
[INFO] [stderr]      |                                ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2135:56
[INFO] [stderr]      |
[INFO] [stderr] 2135 |     pub fn printf(arg1: *const ::libc::c_char, ...) -> ::libc::c_int;
[INFO] [stderr]      |                                                        ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2136:23
[INFO] [stderr]      |
[INFO] [stderr] 2136 |     pub fn putc(arg1: ::libc::c_int, arg2: *mut FILE) -> ::libc::c_int;
[INFO] [stderr]      |                       ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2136:58
[INFO] [stderr]      |
[INFO] [stderr] 2136 |     pub fn putc(arg1: ::libc::c_int, arg2: *mut FILE) -> ::libc::c_int;
[INFO] [stderr]      |                                                          ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2137:26
[INFO] [stderr]      |
[INFO] [stderr] 2137 |     pub fn putchar(arg1: ::libc::c_int) -> ::libc::c_int;
[INFO] [stderr]      |                          ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2137:44
[INFO] [stderr]      |
[INFO] [stderr] 2137 |     pub fn putchar(arg1: ::libc::c_int) -> ::libc::c_int;
[INFO] [stderr]      |                                            ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2138:30
[INFO] [stderr]      |
[INFO] [stderr] 2138 |     pub fn puts(arg1: *const ::libc::c_char) -> ::libc::c_int;
[INFO] [stderr]      |                              ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2138:49
[INFO] [stderr]      |
[INFO] [stderr] 2138 |     pub fn puts(arg1: *const ::libc::c_char) -> ::libc::c_int;
[INFO] [stderr]      |                                                 ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2139:32
[INFO] [stderr]      |
[INFO] [stderr] 2139 |     pub fn remove(arg1: *const ::libc::c_char) -> ::libc::c_int;
[INFO] [stderr]      |                                ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2139:51
[INFO] [stderr]      |
[INFO] [stderr] 2139 |     pub fn remove(arg1: *const ::libc::c_char) -> ::libc::c_int;
[INFO] [stderr]      |                                                   ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2140:32
[INFO] [stderr]      |
[INFO] [stderr] 2140 |     pub fn rename(arg1: *const ::libc::c_char, arg2: *const ::libc::c_char)
[INFO] [stderr]      |                                ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2140:61
[INFO] [stderr]      |
[INFO] [stderr] 2140 |     pub fn rename(arg1: *const ::libc::c_char, arg2: *const ::libc::c_char)
[INFO] [stderr]      |                                                             ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2141:9
[INFO] [stderr]      |
[INFO] [stderr] 2141 |      -> ::libc::c_int;
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2143:31
[INFO] [stderr]      |
[INFO] [stderr] 2143 |     pub fn scanf(arg1: *const ::libc::c_char, ...) -> ::libc::c_int;
[INFO] [stderr]      |                               ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2143:55
[INFO] [stderr]      |
[INFO] [stderr] 2143 |     pub fn scanf(arg1: *const ::libc::c_char, ...) -> ::libc::c_int;
[INFO] [stderr]      |                                                       ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2144:47
[INFO] [stderr]      |
[INFO] [stderr] 2144 |     pub fn setbuf(arg1: *mut FILE, arg2: *mut ::libc::c_char) -> ();
[INFO] [stderr]      |                                               ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2145:48
[INFO] [stderr]      |
[INFO] [stderr] 2145 |     pub fn setvbuf(arg1: *mut FILE, arg2: *mut ::libc::c_char,
[INFO] [stderr]      |                                                ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2146:26
[INFO] [stderr]      |
[INFO] [stderr] 2146 |                    arg3: ::libc::c_int, arg4: size_t) -> ::libc::c_int;
[INFO] [stderr]      |                          ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2146:58
[INFO] [stderr]      |
[INFO] [stderr] 2146 |                    arg3: ::libc::c_int, arg4: size_t) -> ::libc::c_int;
[INFO] [stderr]      |                                                          ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2147:31
[INFO] [stderr]      |
[INFO] [stderr] 2147 |     pub fn sprintf(arg1: *mut ::libc::c_char,
[INFO] [stderr]      |                               ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2701:24
[INFO] [stderr]      |
[INFO] [stderr] 2701 |     pub fn _exit(arg1: ::libc::c_int) -> ();
[INFO] [stderr]      |                        ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2702:32
[INFO] [stderr]      |
[INFO] [stderr] 2702 |     pub fn access(arg1: *const ::libc::c_char, arg2: ::libc::c_int)
[INFO] [stderr]      |                                ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2702:54
[INFO] [stderr]      |
[INFO] [stderr] 2702 |     pub fn access(arg1: *const ::libc::c_char, arg2: ::libc::c_int)
[INFO] [stderr]      |                                                      ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2703:9
[INFO] [stderr]      |
[INFO] [stderr] 2703 |      -> ::libc::c_int;
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2704:24
[INFO] [stderr]      |
[INFO] [stderr] 2704 |     pub fn alarm(arg1: ::libc::c_uint) -> ::libc::c_uint;
[INFO] [stderr]      |                        ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2704:43
[INFO] [stderr]      |
[INFO] [stderr] 2704 |     pub fn alarm(arg1: ::libc::c_uint) -> ::libc::c_uint;
[INFO] [stderr]      |                                           ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2705:31
[INFO] [stderr]      |
[INFO] [stderr] 2705 |     pub fn chdir(arg1: *const ::libc::c_char) -> ::libc::c_int;
[INFO] [stderr]      |                               ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2705:50
[INFO] [stderr]      |
[INFO] [stderr] 2705 |     pub fn chdir(arg1: *const ::libc::c_char) -> ::libc::c_int;
[INFO] [stderr]      |                                                  ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2706:31
[INFO] [stderr]      |
[INFO] [stderr] 2706 |     pub fn chown(arg1: *const ::libc::c_char, arg2: uid_t, arg3: gid_t)
[INFO] [stderr]      |                               ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2707:9
[INFO] [stderr]      |
[INFO] [stderr] 2707 |      -> ::libc::c_int;
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2708:24
[INFO] [stderr]      |
[INFO] [stderr] 2708 |     pub fn close(arg1: ::libc::c_int) -> ::libc::c_int;
[INFO] [stderr]      |                        ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2708:42
[INFO] [stderr]      |
[INFO] [stderr] 2708 |     pub fn close(arg1: ::libc::c_int) -> ::libc::c_int;
[INFO] [stderr]      |                                          ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2709:22
[INFO] [stderr]      |
[INFO] [stderr] 2709 |     pub fn dup(arg1: ::libc::c_int) -> ::libc::c_int;
[INFO] [stderr]      |                      ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2709:40
[INFO] [stderr]      |
[INFO] [stderr] 2709 |     pub fn dup(arg1: ::libc::c_int) -> ::libc::c_int;
[INFO] [stderr]      |                                        ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2710:23
[INFO] [stderr]      |
[INFO] [stderr] 2710 |     pub fn dup2(arg1: ::libc::c_int, arg2: ::libc::c_int) -> ::libc::c_int;
[INFO] [stderr]      |                       ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2710:44
[INFO] [stderr]      |
[INFO] [stderr] 2710 |     pub fn dup2(arg1: ::libc::c_int, arg2: ::libc::c_int) -> ::libc::c_int;
[INFO] [stderr]      |                                            ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2710:62
[INFO] [stderr]      |
[INFO] [stderr] 2710 |     pub fn dup2(arg1: ::libc::c_int, arg2: ::libc::c_int) -> ::libc::c_int;
[INFO] [stderr]      |                                                              ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2711:31
[INFO] [stderr]      |
[INFO] [stderr] 2711 |     pub fn execl(arg1: *const ::libc::c_char,
[INFO] [stderr]      |                               ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2712:31
[INFO] [stderr]      |
[INFO] [stderr] 2712 |                  arg2: *const ::libc::c_char, ...) -> ::libc::c_int;
[INFO] [stderr]      |                               ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2712:55
[INFO] [stderr]      |
[INFO] [stderr] 2712 |                  arg2: *const ::libc::c_char, ...) -> ::libc::c_int;
[INFO] [stderr]      |                                                       ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2713:32
[INFO] [stderr]      |
[INFO] [stderr] 2713 |     pub fn execle(arg1: *const ::libc::c_char,
[INFO] [stderr]      |                                ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2714:32
[INFO] [stderr]      |
[INFO] [stderr] 2714 |                   arg2: *const ::libc::c_char, ...) -> ::libc::c_int;
[INFO] [stderr]      |                                ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2714:56
[INFO] [stderr]      |
[INFO] [stderr] 2714 |                   arg2: *const ::libc::c_char, ...) -> ::libc::c_int;
[INFO] [stderr]      |                                                        ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2715:32
[INFO] [stderr]      |
[INFO] [stderr] 2715 |     pub fn execlp(arg1: *const ::libc::c_char,
[INFO] [stderr]      |                                ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2716:32
[INFO] [stderr]      |
[INFO] [stderr] 2716 |                   arg2: *const ::libc::c_char, ...) -> ::libc::c_int;
[INFO] [stderr]      |                                ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2716:56
[INFO] [stderr]      |
[INFO] [stderr] 2716 |                   arg2: *const ::libc::c_char, ...) -> ::libc::c_int;
[INFO] [stderr]      |                                                        ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2717:31
[INFO] [stderr]      |
[INFO] [stderr] 2717 |     pub fn execv(arg1: *const ::libc::c_char,
[INFO] [stderr]      |                               ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2718:36
[INFO] [stderr]      |
[INFO] [stderr] 2718 |                  arg2: *const *mut ::libc::c_char) -> ::libc::c_int;
[INFO] [stderr]      |                                    ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2718:55
[INFO] [stderr]      |
[INFO] [stderr] 2718 |                  arg2: *const *mut ::libc::c_char) -> ::libc::c_int;
[INFO] [stderr]      |                                                       ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2719:32
[INFO] [stderr]      |
[INFO] [stderr] 2719 |     pub fn execve(arg1: *const ::libc::c_char,
[INFO] [stderr]      |                                ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2720:37
[INFO] [stderr]      |
[INFO] [stderr] 2720 |                   arg2: *const *mut ::libc::c_char,
[INFO] [stderr]      |                                     ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2721:37
[INFO] [stderr]      |
[INFO] [stderr] 2721 |                   arg3: *const *mut ::libc::c_char) -> ::libc::c_int;
[INFO] [stderr]      |                                     ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2721:56
[INFO] [stderr]      |
[INFO] [stderr] 2721 |                   arg3: *const *mut ::libc::c_char) -> ::libc::c_int;
[INFO] [stderr]      |                                                        ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2722:32
[INFO] [stderr]      |
[INFO] [stderr] 2722 |     pub fn execvp(arg1: *const ::libc::c_char,
[INFO] [stderr]      |                                ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2723:37
[INFO] [stderr]      |
[INFO] [stderr] 2723 |                   arg2: *const *mut ::libc::c_char) -> ::libc::c_int;
[INFO] [stderr]      |                                     ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2723:56
[INFO] [stderr]      |
[INFO] [stderr] 2723 |                   arg2: *const *mut ::libc::c_char) -> ::libc::c_int;
[INFO] [stderr]      |                                                        ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2725:28
[INFO] [stderr]      |
[INFO] [stderr] 2725 |     pub fn fpathconf(arg1: ::libc::c_int, arg2: ::libc::c_int)
[INFO] [stderr]      |                            ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2725:49
[INFO] [stderr]      |
[INFO] [stderr] 2725 |     pub fn fpathconf(arg1: ::libc::c_int, arg2: ::libc::c_int)
[INFO] [stderr]      |                                                 ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2726:9
[INFO] [stderr]      |
[INFO] [stderr] 2726 |      -> ::libc::c_long;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2727:30
[INFO] [stderr]      |
[INFO] [stderr] 2727 |     pub fn getcwd(arg1: *mut ::libc::c_char, arg2: size_t)
[INFO] [stderr]      |                              ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2148:33
[INFO] [stderr]      |
[INFO] [stderr] 2148 |                    arg2: *const ::libc::c_char, ...) -> ::libc::c_int;
[INFO] [stderr]      |                                 ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2728:14
[INFO] [stderr]      |
[INFO] [stderr] 2728 |      -> *mut ::libc::c_char;
[INFO] [stderr]      |              ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2732:28
[INFO] [stderr]      |
[INFO] [stderr] 2732 |     pub fn getgroups(arg1: ::libc::c_int, arg2: *mut gid_t) -> ::libc::c_int;
[INFO] [stderr]      |                            ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2732:64
[INFO] [stderr]      |
[INFO] [stderr] 2732 |     pub fn getgroups(arg1: ::libc::c_int, arg2: *mut gid_t) -> ::libc::c_int;
[INFO] [stderr]      |                                                                ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2148:57
[INFO] [stderr]      |
[INFO] [stderr] 2148 |                    arg2: *const ::libc::c_char, ...) -> ::libc::c_int;
[INFO] [stderr]      |                                                         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2733:31
[INFO] [stderr]      |
[INFO] [stderr] 2733 |     pub fn getlogin() -> *mut ::libc::c_char;
[INFO] [stderr]      |                               ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2738:25
[INFO] [stderr]      |
[INFO] [stderr] 2738 |     pub fn isatty(arg1: ::libc::c_int) -> ::libc::c_int;
[INFO] [stderr]      |                         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2738:43
[INFO] [stderr]      |
[INFO] [stderr] 2738 |     pub fn isatty(arg1: ::libc::c_int) -> ::libc::c_int;
[INFO] [stderr]      |                                           ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2149:32
[INFO] [stderr]      |
[INFO] [stderr] 2149 |     pub fn sscanf(arg1: *const ::libc::c_char,
[INFO] [stderr]      |                                ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2739:30
[INFO] [stderr]      |
[INFO] [stderr] 2739 |     pub fn link(arg1: *const ::libc::c_char, arg2: *const ::libc::c_char)
[INFO] [stderr]      |                              ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2739:59
[INFO] [stderr]      |
[INFO] [stderr] 2739 |     pub fn link(arg1: *const ::libc::c_char, arg2: *const ::libc::c_char)
[INFO] [stderr]      |                                                           ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2740:9
[INFO] [stderr]      |
[INFO] [stderr] 2740 |      -> ::libc::c_int;
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2150:32
[INFO] [stderr]      |
[INFO] [stderr] 2150 |                   arg2: *const ::libc::c_char, ...) -> ::libc::c_int;
[INFO] [stderr]      |                                ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2741:24
[INFO] [stderr]      |
[INFO] [stderr] 2741 |     pub fn lseek(arg1: ::libc::c_int, arg2: off_t, arg3: ::libc::c_int)
[INFO] [stderr]      |                        ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2741:58
[INFO] [stderr]      |
[INFO] [stderr] 2741 |     pub fn lseek(arg1: ::libc::c_int, arg2: off_t, arg3: ::libc::c_int)
[INFO] [stderr]      |                                                          ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2743:34
[INFO] [stderr]      |
[INFO] [stderr] 2743 |     pub fn pathconf(arg1: *const ::libc::c_char, arg2: ::libc::c_int)
[INFO] [stderr]      |                                  ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2150:56
[INFO] [stderr]      |
[INFO] [stderr] 2150 |                   arg2: *const ::libc::c_char, ...) -> ::libc::c_int;
[INFO] [stderr]      |                                                        ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2743:56
[INFO] [stderr]      |
[INFO] [stderr] 2743 |     pub fn pathconf(arg1: *const ::libc::c_char, arg2: ::libc::c_int)
[INFO] [stderr]      |                                                        ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2744:9
[INFO] [stderr]      |
[INFO] [stderr] 2744 |      -> ::libc::c_long;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2745:23
[INFO] [stderr]      |
[INFO] [stderr] 2745 |     pub fn pause() -> ::libc::c_int;
[INFO] [stderr]      |                       ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2152:30
[INFO] [stderr]      |
[INFO] [stderr] 2152 |     pub fn tmpnam(arg1: *mut ::libc::c_char) -> *mut ::libc::c_char;
[INFO] [stderr]      |                              ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2746:28
[INFO] [stderr]      |
[INFO] [stderr] 2746 |     pub fn pipe(arg1: *mut ::libc::c_int) -> ::libc::c_int;
[INFO] [stderr]      |                            ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2746:46
[INFO] [stderr]      |
[INFO] [stderr] 2746 |     pub fn pipe(arg1: *mut ::libc::c_int) -> ::libc::c_int;
[INFO] [stderr]      |                                              ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2747:23
[INFO] [stderr]      |
[INFO] [stderr] 2747 |     pub fn read(arg1: ::libc::c_int, arg2: *mut ::libc::c_void, arg3: size_t)
[INFO] [stderr]      |                       ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2152:54
[INFO] [stderr]      |
[INFO] [stderr] 2152 |     pub fn tmpnam(arg1: *mut ::libc::c_char) -> *mut ::libc::c_char;
[INFO] [stderr]      |                                                      ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2749:31
[INFO] [stderr]      |
[INFO] [stderr] 2749 |     pub fn rmdir(arg1: *const ::libc::c_char) -> ::libc::c_int;
[INFO] [stderr]      |                               ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2749:50
[INFO] [stderr]      |
[INFO] [stderr] 2749 |     pub fn rmdir(arg1: *const ::libc::c_char) -> ::libc::c_int;
[INFO] [stderr]      |                                                  ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2750:35
[INFO] [stderr]      |
[INFO] [stderr] 2750 |     pub fn setgid(arg1: gid_t) -> ::libc::c_int;
[INFO] [stderr]      |                                   ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2153:25
[INFO] [stderr]      |
[INFO] [stderr] 2153 |     pub fn ungetc(arg1: ::libc::c_int, arg2: *mut FILE) -> ::libc::c_int;
[INFO] [stderr]      |                         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2751:49
[INFO] [stderr]      |
[INFO] [stderr] 2751 |     pub fn setpgid(arg1: pid_t, arg2: pid_t) -> ::libc::c_int;
[INFO] [stderr]      |                                                 ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2753:35
[INFO] [stderr]      |
[INFO] [stderr] 2753 |     pub fn setuid(arg1: uid_t) -> ::libc::c_int;
[INFO] [stderr]      |                                   ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2754:24
[INFO] [stderr]      |
[INFO] [stderr] 2754 |     pub fn sleep(arg1: ::libc::c_uint) -> ::libc::c_uint;
[INFO] [stderr]      |                        ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2153:60
[INFO] [stderr]      |
[INFO] [stderr] 2153 |     pub fn ungetc(arg1: ::libc::c_int, arg2: *mut FILE) -> ::libc::c_int;
[INFO] [stderr]      |                                                            ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2754:43
[INFO] [stderr]      |
[INFO] [stderr] 2754 |     pub fn sleep(arg1: ::libc::c_uint) -> ::libc::c_uint;
[INFO] [stderr]      |                                           ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2755:26
[INFO] [stderr]      |
[INFO] [stderr] 2755 |     pub fn sysconf(arg1: ::libc::c_int) -> ::libc::c_long;
[INFO] [stderr]      |                          ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2755:44
[INFO] [stderr]      |
[INFO] [stderr] 2755 |     pub fn sysconf(arg1: ::libc::c_int) -> ::libc::c_long;
[INFO] [stderr]      |                                            ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2154:51
[INFO] [stderr]      |
[INFO] [stderr] 2154 |     pub fn vfprintf(arg1: *mut FILE, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                                                   ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2756:28
[INFO] [stderr]      |
[INFO] [stderr] 2756 |     pub fn tcgetpgrp(arg1: ::libc::c_int) -> pid_t;
[INFO] [stderr]      |                            ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2757:28
[INFO] [stderr]      |
[INFO] [stderr] 2757 |     pub fn tcsetpgrp(arg1: ::libc::c_int, arg2: pid_t) -> ::libc::c_int;
[INFO] [stderr]      |                            ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2757:59
[INFO] [stderr]      |
[INFO] [stderr] 2757 |     pub fn tcsetpgrp(arg1: ::libc::c_int, arg2: pid_t) -> ::libc::c_int;
[INFO] [stderr]      |                                                           ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2155:39
[INFO] [stderr]      |
[INFO] [stderr] 2155 |                     arg3: va_list) -> ::libc::c_int;
[INFO] [stderr]      |                                       ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2758:26
[INFO] [stderr]      |
[INFO] [stderr] 2758 |     pub fn ttyname(arg1: ::libc::c_int) -> *mut ::libc::c_char;
[INFO] [stderr]      |                          ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2758:49
[INFO] [stderr]      |
[INFO] [stderr] 2758 |     pub fn ttyname(arg1: ::libc::c_int) -> *mut ::libc::c_char;
[INFO] [stderr]      |                                                 ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2759:28
[INFO] [stderr]      |
[INFO] [stderr] 2759 |     pub fn ttyname_r(arg1: ::libc::c_int, arg2: *mut ::libc::c_char,
[INFO] [stderr]      |                            ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2156:33
[INFO] [stderr]      |
[INFO] [stderr] 2156 |     pub fn vprintf(arg1: *const ::libc::c_char, arg2: va_list)
[INFO] [stderr]      |                                 ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2759:54
[INFO] [stderr]      |
[INFO] [stderr] 2759 |     pub fn ttyname_r(arg1: ::libc::c_int, arg2: *mut ::libc::c_char,
[INFO] [stderr]      |                                                      ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2760:39
[INFO] [stderr]      |
[INFO] [stderr] 2760 |                      arg3: size_t) -> ::libc::c_int;
[INFO] [stderr]      |                                       ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2761:32
[INFO] [stderr]      |
[INFO] [stderr] 2761 |     pub fn unlink(arg1: *const ::libc::c_char) -> ::libc::c_int;
[INFO] [stderr]      |                                ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2157:9
[INFO] [stderr]      |
[INFO] [stderr] 2157 |      -> ::libc::c_int;
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2761:51
[INFO] [stderr]      |
[INFO] [stderr] 2761 |     pub fn unlink(arg1: *const ::libc::c_char) -> ::libc::c_int;
[INFO] [stderr]      |                                                   ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2762:24
[INFO] [stderr]      |
[INFO] [stderr] 2762 |     pub fn write(arg1: ::libc::c_int, arg2: *const ::libc::c_void,
[INFO] [stderr]      |                        ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2764:26
[INFO] [stderr]      |
[INFO] [stderr] 2764 |     pub fn confstr(arg1: ::libc::c_int, arg2: *mut ::libc::c_char,
[INFO] [stderr]      |                          ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2158:32
[INFO] [stderr]      |
[INFO] [stderr] 2158 |     pub fn vsprintf(arg1: *mut ::libc::c_char, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                                ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2764:52
[INFO] [stderr]      |
[INFO] [stderr] 2764 |     pub fn confstr(arg1: ::libc::c_int, arg2: *mut ::libc::c_char,
[INFO] [stderr]      |                                                    ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2766:25
[INFO] [stderr]      |
[INFO] [stderr] 2766 |     pub fn getopt(arg1: ::libc::c_int, arg2: *const *mut ::libc::c_char,
[INFO] [stderr]      |                         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2766:58
[INFO] [stderr]      |
[INFO] [stderr] 2766 |     pub fn getopt(arg1: ::libc::c_int, arg2: *const *mut ::libc::c_char,
[INFO] [stderr]      |                                                          ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2158:61
[INFO] [stderr]      |
[INFO] [stderr] 2158 |     pub fn vsprintf(arg1: *mut ::libc::c_char, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                                                             ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2767:32
[INFO] [stderr]      |
[INFO] [stderr] 2767 |                   arg3: *const ::libc::c_char) -> ::libc::c_int;
[INFO] [stderr]      |                                ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2767:51
[INFO] [stderr]      |
[INFO] [stderr] 2767 |                   arg3: *const ::libc::c_char) -> ::libc::c_int;
[INFO] [stderr]      |                                                   ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2159:39
[INFO] [stderr]      |
[INFO] [stderr] 2159 |                     arg3: va_list) -> ::libc::c_int;
[INFO] [stderr]      |                                       ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2769:32
[INFO] [stderr]      |
[INFO] [stderr] 2769 |     pub fn chroot(arg1: *const ::libc::c_char) -> ::libc::c_int;
[INFO] [stderr]      |                                ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2769:51
[INFO] [stderr]      |
[INFO] [stderr] 2769 |     pub fn chroot(arg1: *const ::libc::c_char) -> ::libc::c_int;
[INFO] [stderr]      |                                                   ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2770:31
[INFO] [stderr]      |
[INFO] [stderr] 2770 |     pub fn crypt(arg1: *const ::libc::c_char, arg2: *const ::libc::c_char)
[INFO] [stderr]      |                               ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2160:31
[INFO] [stderr]      |
[INFO] [stderr] 2160 |     pub fn ctermid(arg1: *mut ::libc::c_char) -> *mut ::libc::c_char;
[INFO] [stderr]      |                               ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2770:60
[INFO] [stderr]      |
[INFO] [stderr] 2770 |     pub fn crypt(arg1: *const ::libc::c_char, arg2: *const ::libc::c_char)
[INFO] [stderr]      |                                                            ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2771:14
[INFO] [stderr]      |
[INFO] [stderr] 2771 |      -> *mut ::libc::c_char;
[INFO] [stderr]      |              ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2772:31
[INFO] [stderr]      |
[INFO] [stderr] 2772 |     pub fn encrypt(arg1: *mut ::libc::c_char, arg2: ::libc::c_int) -> ();
[INFO] [stderr]      |                               ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2160:55
[INFO] [stderr]      |
[INFO] [stderr] 2160 |     pub fn ctermid(arg1: *mut ::libc::c_char) -> *mut ::libc::c_char;
[INFO] [stderr]      |                                                       ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2161:25
[INFO] [stderr]      |
[INFO] [stderr] 2161 |     pub fn fdopen(arg1: ::libc::c_int, arg2: *const ::libc::c_char)
[INFO] [stderr]      |                         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2161:53
[INFO] [stderr]      |
[INFO] [stderr] 2161 |     pub fn fdopen(arg1: ::libc::c_int, arg2: *const ::libc::c_char)
[INFO] [stderr]      |                                                     ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2163:39
[INFO] [stderr]      |
[INFO] [stderr] 2163 |     pub fn fileno(arg1: *mut FILE) -> ::libc::c_int;
[INFO] [stderr]      |                                       ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2164:39
[INFO] [stderr]      |
[INFO] [stderr] 2164 |     pub fn pclose(arg1: *mut FILE) -> ::libc::c_int;
[INFO] [stderr]      |                                       ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2165:31
[INFO] [stderr]      |
[INFO] [stderr] 2165 |     pub fn popen(arg1: *const ::libc::c_char, arg2: *const ::libc::c_char)
[INFO] [stderr]      |                               ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2165:60
[INFO] [stderr]      |
[INFO] [stderr] 2165 |     pub fn popen(arg1: *const ::libc::c_char, arg2: *const ::libc::c_char)
[INFO] [stderr]      |                                                            ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2772:53
[INFO] [stderr]      |
[INFO] [stderr] 2772 |     pub fn encrypt(arg1: *mut ::libc::c_char, arg2: ::libc::c_int) -> ();
[INFO] [stderr]      |                                                     ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2167:40
[INFO] [stderr]      |
[INFO] [stderr] 2167 |     pub fn __srget(arg1: *mut FILE) -> ::libc::c_int;
[INFO] [stderr]      |                                        ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2773:25
[INFO] [stderr]      |
[INFO] [stderr] 2773 |     pub fn fchdir(arg1: ::libc::c_int) -> ::libc::c_int;
[INFO] [stderr]      |                         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2168:53
[INFO] [stderr]      |
[INFO] [stderr] 2168 |     pub fn __svfscanf(arg1: *mut FILE, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                                                     ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2773:43
[INFO] [stderr]      |
[INFO] [stderr] 2773 |     pub fn fchdir(arg1: ::libc::c_int) -> ::libc::c_int;
[INFO] [stderr]      |                                           ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2774:27
[INFO] [stderr]      |
[INFO] [stderr] 2774 |     pub fn gethostid() -> ::libc::c_long;
[INFO] [stderr]      |                           ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2169:41
[INFO] [stderr]      |
[INFO] [stderr] 2169 |                       arg3: va_list) -> ::libc::c_int;
[INFO] [stderr]      |                                         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2170:26
[INFO] [stderr]      |
[INFO] [stderr] 2170 |     pub fn __swbuf(arg1: ::libc::c_int, arg2: *mut FILE) -> ::libc::c_int;
[INFO] [stderr]      |                          ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2170:61
[INFO] [stderr]      |
[INFO] [stderr] 2170 |     pub fn __swbuf(arg1: ::libc::c_int, arg2: *mut FILE) -> ::libc::c_int;
[INFO] [stderr]      |                                                             ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2171:24
[INFO] [stderr]      |
[INFO] [stderr] 2171 |     pub fn __sputc(_c: ::libc::c_int, _p: *mut FILE) -> ::libc::c_int;
[INFO] [stderr]      |                        ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2171:57
[INFO] [stderr]      |
[INFO] [stderr] 2171 |     pub fn __sputc(_c: ::libc::c_int, _p: *mut FILE) -> ::libc::c_int;
[INFO] [stderr]      |                                                         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2173:45
[INFO] [stderr]      |
[INFO] [stderr] 2173 |     pub fn ftrylockfile(arg1: *mut FILE) -> ::libc::c_int;
[INFO] [stderr]      |                                             ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2175:46
[INFO] [stderr]      |
[INFO] [stderr] 2175 |     pub fn getc_unlocked(arg1: *mut FILE) -> ::libc::c_int;
[INFO] [stderr]      |                                              ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2176:34
[INFO] [stderr]      |
[INFO] [stderr] 2176 |     pub fn getchar_unlocked() -> ::libc::c_int;
[INFO] [stderr]      |                                  ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2177:32
[INFO] [stderr]      |
[INFO] [stderr] 2177 |     pub fn putc_unlocked(arg1: ::libc::c_int, arg2: *mut FILE)
[INFO] [stderr]      |                                ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2178:9
[INFO] [stderr]      |
[INFO] [stderr] 2178 |      -> ::libc::c_int;
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2179:35
[INFO] [stderr]      |
[INFO] [stderr] 2179 |     pub fn putchar_unlocked(arg1: ::libc::c_int) -> ::libc::c_int;
[INFO] [stderr]      |                                   ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2179:53
[INFO] [stderr]      |
[INFO] [stderr] 2179 |     pub fn putchar_unlocked(arg1: ::libc::c_int) -> ::libc::c_int;
[INFO] [stderr]      |                                                     ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2180:37
[INFO] [stderr]      |
[INFO] [stderr] 2180 |     pub fn getw(arg1: *mut FILE) -> ::libc::c_int;
[INFO] [stderr]      |                                     ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2181:23
[INFO] [stderr]      |
[INFO] [stderr] 2181 |     pub fn putw(arg1: ::libc::c_int, arg2: *mut FILE) -> ::libc::c_int;
[INFO] [stderr]      |                       ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2181:58
[INFO] [stderr]      |
[INFO] [stderr] 2181 |     pub fn putw(arg1: ::libc::c_int, arg2: *mut FILE) -> ::libc::c_int;
[INFO] [stderr]      |                                                          ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2182:33
[INFO] [stderr]      |
[INFO] [stderr] 2182 |     pub fn tempnam(arg1: *const ::libc::c_char, arg2: *const ::libc::c_char)
[INFO] [stderr]      |                                 ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2182:62
[INFO] [stderr]      |
[INFO] [stderr] 2182 |     pub fn tempnam(arg1: *const ::libc::c_char, arg2: *const ::libc::c_char)
[INFO] [stderr]      |                                                              ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2183:14
[INFO] [stderr]      |
[INFO] [stderr] 2183 |      -> *mut ::libc::c_char;
[INFO] [stderr]      |              ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2184:55
[INFO] [stderr]      |
[INFO] [stderr] 2184 |     pub fn fseeko(arg1: *mut FILE, arg2: off_t, arg3: ::libc::c_int)
[INFO] [stderr]      |                                                       ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2185:9
[INFO] [stderr]      |
[INFO] [stderr] 2185 |      -> ::libc::c_int;
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2187:32
[INFO] [stderr]      |
[INFO] [stderr] 2187 |     pub fn snprintf(arg1: *mut ::libc::c_char, arg2: size_t,
[INFO] [stderr]      |                                ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2188:34
[INFO] [stderr]      |
[INFO] [stderr] 2188 |                     arg3: *const ::libc::c_char, ...) -> ::libc::c_int;
[INFO] [stderr]      |                                  ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2188:58
[INFO] [stderr]      |
[INFO] [stderr] 2188 |                     arg3: *const ::libc::c_char, ...) -> ::libc::c_int;
[INFO] [stderr]      |                                                          ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2189:50
[INFO] [stderr]      |
[INFO] [stderr] 2189 |     pub fn vfscanf(arg1: *mut FILE, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                                                  ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2190:38
[INFO] [stderr]      |
[INFO] [stderr] 2190 |                    arg3: va_list) -> ::libc::c_int;
[INFO] [stderr]      |                                      ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2191:32
[INFO] [stderr]      |
[INFO] [stderr] 2191 |     pub fn vscanf(arg1: *const ::libc::c_char, arg2: va_list)
[INFO] [stderr]      |                                ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2192:9
[INFO] [stderr]      |
[INFO] [stderr] 2192 |      -> ::libc::c_int;
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2193:33
[INFO] [stderr]      |
[INFO] [stderr] 2193 |     pub fn vsnprintf(arg1: *mut ::libc::c_char, arg2: size_t,
[INFO] [stderr]      |                                 ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2194:35
[INFO] [stderr]      |
[INFO] [stderr] 2194 |                      arg3: *const ::libc::c_char, arg4: va_list)
[INFO] [stderr]      |                                   ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2195:9
[INFO] [stderr]      |
[INFO] [stderr] 2195 |      -> ::libc::c_int;
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2196:33
[INFO] [stderr]      |
[INFO] [stderr] 2196 |     pub fn vsscanf(arg1: *const ::libc::c_char, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                                 ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2777:31
[INFO] [stderr]      |
[INFO] [stderr] 2777 |     pub fn getdtablesize() -> ::libc::c_int;
[INFO] [stderr]      |                               ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2778:29
[INFO] [stderr]      |
[INFO] [stderr] 2778 |     pub fn getpagesize() -> ::libc::c_int;
[INFO] [stderr]      |                             ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2779:33
[INFO] [stderr]      |
[INFO] [stderr] 2779 |     pub fn getpass(arg1: *const ::libc::c_char) -> *mut ::libc::c_char;
[INFO] [stderr]      |                                 ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2196:62
[INFO] [stderr]      |
[INFO] [stderr] 2196 |     pub fn vsscanf(arg1: *const ::libc::c_char, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                                                              ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2197:38
[INFO] [stderr]      |
[INFO] [stderr] 2197 |                    arg3: va_list) -> ::libc::c_int;
[INFO] [stderr]      |                                      ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2198:26
[INFO] [stderr]      |
[INFO] [stderr] 2198 |     pub fn dprintf(arg1: ::libc::c_int, arg2: *const ::libc::c_char, ...)
[INFO] [stderr]      |                          ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2198:54
[INFO] [stderr]      |
[INFO] [stderr] 2198 |     pub fn dprintf(arg1: ::libc::c_int, arg2: *const ::libc::c_char, ...)
[INFO] [stderr]      |                                                      ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2199:9
[INFO] [stderr]      |
[INFO] [stderr] 2199 |      -> ::libc::c_int;
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2200:27
[INFO] [stderr]      |
[INFO] [stderr] 2200 |     pub fn vdprintf(arg1: ::libc::c_int, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                           ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2200:55
[INFO] [stderr]      |
[INFO] [stderr] 2200 |     pub fn vdprintf(arg1: ::libc::c_int, arg2: *const ::libc::c_char,
[INFO] [stderr]      |                                                       ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2201:39
[INFO] [stderr]      |
[INFO] [stderr] 2201 |                     arg3: va_list) -> ::libc::c_int;
[INFO] [stderr]      |                                       ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2202:37
[INFO] [stderr]      |
[INFO] [stderr] 2202 |     pub fn getdelim(arg1: *mut *mut ::libc::c_char, arg2: *mut size_t,
[INFO] [stderr]      |                                     ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2203:27
[INFO] [stderr]      |
[INFO] [stderr] 2203 |                     arg3: ::libc::c_int, arg4: *mut FILE) -> ssize_t;
[INFO] [stderr]      |                           ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2204:36
[INFO] [stderr]      |
[INFO] [stderr] 2204 |     pub fn getline(arg1: *mut *mut ::libc::c_char, arg2: *mut size_t,
[INFO] [stderr]      |                                    ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2206:37
[INFO] [stderr]      |
[INFO] [stderr] 2206 |     pub fn asprintf(arg1: *mut *mut ::libc::c_char,
[INFO] [stderr]      |                                     ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2207:34
[INFO] [stderr]      |
[INFO] [stderr] 2207 |                     arg2: *const ::libc::c_char, ...) -> ::libc::c_int;
[INFO] [stderr]      |                                  ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2207:58
[INFO] [stderr]      |
[INFO] [stderr] 2207 |                     arg2: *const ::libc::c_char, ...) -> ::libc::c_int;
[INFO] [stderr]      |                                                          ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2208:33
[INFO] [stderr]      |
[INFO] [stderr] 2208 |     pub fn ctermid_r(arg1: *mut ::libc::c_char) -> *mut ::libc::c_char;
[INFO] [stderr]      |                                 ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2208:57
[INFO] [stderr]      |
[INFO] [stderr] 2208 |     pub fn ctermid_r(arg1: *mut ::libc::c_char) -> *mut ::libc::c_char;
[INFO] [stderr]      |                                                         ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2209:63
[INFO] [stderr]      |
[INFO] [stderr] 2209 |     pub fn fgetln(arg1: *mut FILE, arg2: *mut size_t) -> *mut ::libc::c_char;
[INFO] [stderr]      |                                                               ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2779:57
[INFO] [stderr]      |
[INFO] [stderr] 2779 |     pub fn getpass(arg1: *const ::libc::c_char) -> *mut ::libc::c_char;
[INFO] [stderr]      |                                                         ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2210:34
[INFO] [stderr]      |
[INFO] [stderr] 2210 |     pub fn fmtcheck(arg1: *const ::libc::c_char, arg2: *const ::libc::c_char)
[INFO] [stderr]      |                                  ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2210:63
[INFO] [stderr]      |
[INFO] [stderr] 2210 |     pub fn fmtcheck(arg1: *const ::libc::c_char, arg2: *const ::libc::c_char)
[INFO] [stderr]      |                                                               ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2211:16
[INFO] [stderr]      |
[INFO] [stderr] 2211 |      -> *const ::libc::c_char;
[INFO] [stderr]      |                ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]      = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]     --> src/ruby.rs:2212:39
[INFO] [stderr]      |
[INFO] [stderr] 2212 |     pub fn fpurge(arg1: *mut FILE) -> ::libc::c_int;
[INFO] [stderr]      |                                       ^^^^^^^^^^^^^
[INFO] [stderr]      |
[WARN] too many lines in the log, truncating it
