[INFO] updating cached repository https://github.com/gmjosack/coreutils.rs
[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] 2b9ff9d971867cf4c1666e337d18946fa85649a6
[INFO] checking gmjosack/coreutils.rs against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgmjosack%2Fcoreutils.rs" "/workspace/builds/worker-11/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gmjosack/coreutils.rs on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/gmjosack/coreutils.rs
[INFO] finished tweaking git repo https://github.com/gmjosack/coreutils.rs
[INFO] tweaked toml for git repo https://github.com/gmjosack/coreutils.rs written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/gmjosack/coreutils.rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "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] 7cc340fa1d547534581f1f535373d78f9b124a063de14ccc964349649b0c5759
[INFO] running `"docker" "start" "-a" "7cc340fa1d547534581f1f535373d78f9b124a063de14ccc964349649b0c5759"`
[INFO] [stderr]     Checking coreutils v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Path`
[INFO] [stderr]   --> src/bin/basename.rs:60:16
[INFO] [stderr]    |
[INFO] [stderr] 60 |     let file = Path::new(args[1].as_slice());
[INFO] [stderr]    |                ^^^^ use of undeclared type or module `Path`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `args` in module `os`
[INFO] [stderr]   --> src/bin/basename.rs:18:20
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let args = os::args();
[INFO] [stderr]    |                    ^^^^ not found in `os`
[INFO] [stderr]    |
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]    |
[INFO] [stderr] 5  | use std::env::args;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `optflag` in crate `getopts`
[INFO] [stderr]   --> src/bin/basename.rs:23:18
[INFO] [stderr]    |
[INFO] [stderr] 23 |         getopts::optflag("h", "help", "display this help and exit"),
[INFO] [stderr]    |                  ^^^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `optflag` in crate `getopts`
[INFO] [stderr]   --> src/bin/basename.rs:24:18
[INFO] [stderr]    |
[INFO] [stderr] 24 |         getopts::optflag("V", "version", "output version information and exit"),
[INFO] [stderr]    |                  ^^^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `getopts` in crate `getopts`
[INFO] [stderr]   --> src/bin/basename.rs:27:34
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let matches = match getopts::getopts(args.tail(), opts) {
[INFO] [stderr]    |                                  ^^^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `usage` in crate `getopts`
[INFO] [stderr]   --> src/bin/basename.rs:32:44
[INFO] [stderr]    |
[INFO] [stderr] 32 |             println!("Usage: {}", getopts::usage(program_usage.as_slice(), opts));
[INFO] [stderr]    |                                            ^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `usage` in crate `getopts`
[INFO] [stderr]   --> src/bin/basename.rs:38:40
[INFO] [stderr]    |
[INFO] [stderr] 38 |         println!("Usage: {}", getopts::usage(program_usage.as_slice(), opts));
[INFO] [stderr]    |                                        ^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `usage` in crate `getopts`
[INFO] [stderr]   --> src/bin/basename.rs:51:40
[INFO] [stderr]    |
[INFO] [stderr] 51 |         println!("Usage: {}", getopts::usage(program_usage.as_slice(), opts));
[INFO] [stderr]    |                                        ^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/bin/basename.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate getopts;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `args` in module `os`
[INFO] [stderr]   --> src/bin/yes.rs:11:20
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let args = os::args();
[INFO] [stderr]    |                    ^^^^ not found in `os`
[INFO] [stderr]    |
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]    |
[INFO] [stderr] 5  | use std::env::args;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `optflag` in crate `getopts`
[INFO] [stderr]   --> src/bin/yes.rs:15:18
[INFO] [stderr]    |
[INFO] [stderr] 15 |         getopts::optflag("h", "help", "display this help and exit"),
[INFO] [stderr]    |                  ^^^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `optflag` in crate `getopts`
[INFO] [stderr]   --> src/bin/yes.rs:16:18
[INFO] [stderr]    |
[INFO] [stderr] 16 |         getopts::optflag("V", "version", "output version information and exit"),
[INFO] [stderr]    |                  ^^^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `getopts` in crate `getopts`
[INFO] [stderr]   --> src/bin/yes.rs:19:34
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let matches = match getopts::getopts(args.tail(), opts) {
[INFO] [stderr]    |                                  ^^^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `usage` in crate `getopts`
[INFO] [stderr]   --> src/bin/yes.rs:24:44
[INFO] [stderr]    |
[INFO] [stderr] 24 |             println!("Usage: {}", getopts::usage(program.as_slice(), opts));
[INFO] [stderr]    |                                            ^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `usage` in crate `getopts`
[INFO] [stderr]   --> src/bin/yes.rs:30:40
[INFO] [stderr]    |
[INFO] [stderr] 30 |         println!("Usage: {}", getopts::usage(program.as_slice(), opts));
[INFO] [stderr]    |                                        ^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0422]: cannot find struct, variant or union type `IoError` in module `io`
[INFO] [stderr]   --> src/bin/yes.rs:48:22
[INFO] [stderr]    |
[INFO] [stderr] 48 |               Some(io::IoError { kind: io::BrokenPipe, .. }) => break,
[INFO] [stderr]    |                        ^^^^^^^ help: a struct with a similar name exists: `Error`
[INFO] [stderr] 
[INFO] [stderr] error[E0531]: cannot find unit struct, unit variant or constant `BrokenPipe` in module `io`
[INFO] [stderr]   --> src/bin/yes.rs:48:42
[INFO] [stderr]    |
[INFO] [stderr] 48 |             Some(io::IoError { kind: io::BrokenPipe, .. }) => break,
[INFO] [stderr]    |                                          ^^^^^^^^^^ not found in `io`
[INFO] [stderr]    |
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]    |
[INFO] [stderr] 5  | use std::io::ErrorKind::BrokenPipe;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0603]: module `stdio` is private
[INFO] [stderr]    --> src/bin/yes.rs:44:31
[INFO] [stderr]     |
[INFO] [stderr] 44  |     let mut stdout = &mut io::stdio::stdout();
[INFO] [stderr]     |                               ^^^^^ private module
[INFO] [stderr]     |
[INFO] [stderr] note: the module `stdio` is defined here
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt`
[INFO] [stderr]  --> src/bin/yes.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::fmt;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `funcs` in `libc`
[INFO] [stderr]  --> src/bin/logname.rs:5:11
[INFO] [stderr]   |
[INFO] [stderr] 5 | use libc::funcs::posix88::unistd::getlogin;
[INFO] [stderr]   |           ^^^^^ could not find `funcs` in `libc`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::c_str`
[INFO] [stderr]  --> src/bin/logname.rs:6:10
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::c_str::CString;
[INFO] [stderr]   |          ^^^^^ could not find `c_str` in `std`
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/bin/yes.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate getopts;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `args` in module `os`
[INFO] [stderr]   --> src/bin/logname.rs:12:20
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let args = os::args();
[INFO] [stderr]    |                    ^^^^ not found in `os`
[INFO] [stderr]    |
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]    |
[INFO] [stderr] 5  | use std::env::args;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `optflag` in crate `getopts`
[INFO] [stderr]   --> src/bin/logname.rs:16:18
[INFO] [stderr]    |
[INFO] [stderr] 16 |         getopts::optflag("h", "help", "display this help and exit"),
[INFO] [stderr]    |                  ^^^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `optflag` in crate `getopts`
[INFO] [stderr]   --> src/bin/logname.rs:17:18
[INFO] [stderr]    |
[INFO] [stderr] 17 |         getopts::optflag("V", "version", "output version information and exit"),
[INFO] [stderr]    |                  ^^^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `getopts` in crate `getopts`
[INFO] [stderr]   --> src/bin/logname.rs:20:34
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let matches = match getopts::getopts(args.tail(), opts) {
[INFO] [stderr]    |                                  ^^^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `usage` in crate `getopts`
[INFO] [stderr]   --> src/bin/logname.rs:25:44
[INFO] [stderr]    |
[INFO] [stderr] 25 |             println!("Usage: {}", getopts::usage(program.as_slice(), opts));
[INFO] [stderr]    |                                            ^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `usage` in crate `getopts`
[INFO] [stderr]   --> src/bin/logname.rs:31:40
[INFO] [stderr]    |
[INFO] [stderr] 31 |         println!("Usage: {}", getopts::usage(program.as_slice(), opts));
[INFO] [stderr]    |                                        ^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `getlogin` in this scope
[INFO] [stderr]   --> src/bin/logname.rs:42:13
[INFO] [stderr]    |
[INFO] [stderr] 42 |             getlogin() as *const libc::c_char,
[INFO] [stderr]    |             ^^^^^^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]    |
[INFO] [stderr] 5  | use libc::getlogin;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `set_exit_status` in module `os`
[INFO] [stderr]   --> src/bin/logname.rs:49:21
[INFO] [stderr]    |
[INFO] [stderr] 49 |         None => os::set_exit_status(1),
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^ not found in `os`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `args` in module `os`
[INFO] [stderr]   --> src/bin/sync.rs:17:20
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let args = os::args();
[INFO] [stderr]    |                    ^^^^ not found in `os`
[INFO] [stderr]    |
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]    |
[INFO] [stderr] 7  | use std::env::args;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `optflag` in crate `getopts`
[INFO] [stderr]   --> src/bin/sync.rs:21:18
[INFO] [stderr]    |
[INFO] [stderr] 21 |         getopts::optflag("h", "help", "display this help and exit"),
[INFO] [stderr]    |                  ^^^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `optflag` in crate `getopts`
[INFO] [stderr]   --> src/bin/sync.rs:22:18
[INFO] [stderr]    |
[INFO] [stderr] 22 |         getopts::optflag("V", "version", "output version information and exit"),
[INFO] [stderr]    |                  ^^^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `getopts` in crate `getopts`
[INFO] [stderr]   --> src/bin/sync.rs:25:34
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let matches = match getopts::getopts(args.tail(), opts) {
[INFO] [stderr]    |                                  ^^^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `usage` in crate `getopts`
[INFO] [stderr]   --> src/bin/sync.rs:30:44
[INFO] [stderr]    |
[INFO] [stderr] 30 |             println!("Usage: {}", getopts::usage(program.as_slice(), opts));
[INFO] [stderr]    |                                            ^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `usage` in crate `getopts`
[INFO] [stderr]   --> src/bin/sync.rs:36:40
[INFO] [stderr]    |
[INFO] [stderr] 36 |         println!("Usage: {}", getopts::usage(program.as_slice(), opts));
[INFO] [stderr]    |                                        ^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `args` in module `os`
[INFO] [stderr]  --> src/bin/true.rs:9:20
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let args = os::args();
[INFO] [stderr]   |                    ^^^^ not found in `os`
[INFO] [stderr]   |
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::env::args;
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `optflag` in crate `getopts`
[INFO] [stderr]   --> src/bin/true.rs:13:18
[INFO] [stderr]    |
[INFO] [stderr] 13 |         getopts::optflag("h", "help", "display this help and exit"),
[INFO] [stderr]    |                  ^^^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `optflag` in crate `getopts`
[INFO] [stderr]   --> src/bin/true.rs:14:18
[INFO] [stderr]    |
[INFO] [stderr] 14 |         getopts::optflag("V", "version", "output version information and exit"),
[INFO] [stderr]    |                  ^^^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `getopts` in crate `getopts`
[INFO] [stderr]   --> src/bin/true.rs:17:34
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let matches = match getopts::getopts(args.tail(), opts) {
[INFO] [stderr]    |                                  ^^^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `usage` in crate `getopts`
[INFO] [stderr]   --> src/bin/true.rs:22:44
[INFO] [stderr]    |
[INFO] [stderr] 22 |             println!("Usage: {}", getopts::usage(program.as_slice(), opts));
[INFO] [stderr]    |                                            ^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `usage` in crate `getopts`
[INFO] [stderr]   --> src/bin/true.rs:28:40
[INFO] [stderr]    |
[INFO] [stderr] 28 |         println!("Usage: {}", getopts::usage(program.as_slice(), opts));
[INFO] [stderr]    |                                        ^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/bin/logname.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | 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/bin/logname.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | extern crate getopts;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/bin/logname.rs:42:34
[INFO] [stderr]    |
[INFO] [stderr] 42 |             getlogin() as *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/bin/sync.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | 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/bin/sync.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | extern crate getopts;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/bin/true.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate getopts;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 13 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, E0432, E0433, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] error[E0433]: failed to resolve: could not find `funcs` in `libc`
[INFO] [stderr]  --> src/bin/logname.rs:5:11
[INFO] [stderr]   |
[INFO] [stderr] 5 | use libc::funcs::posix88::unistd::getlogin;
[INFO] [stderr]   |           ^^^^^ could not find `funcs` in `libc`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `args` in module `os`
[INFO] [stderr]  --> src/bin/false.rs:9:20
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let args = os::args();
[INFO] [stderr]   |                    ^^^^ not found in `os`
[INFO] [stderr]   |
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::env::args;
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::c_str`
[INFO] [stderr]  --> src/bin/logname.rs:6:10
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::c_str::CString;
[INFO] [stderr]   |          ^^^^^ could not find `c_str` in `std`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `optflag` in crate `getopts`
[INFO] [stderr]   --> src/bin/false.rs:13:18
[INFO] [stderr]    |
[INFO] [stderr] 13 |         getopts::optflag("h", "help", "display this help and exit"),
[INFO] [stderr]    |                  ^^^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `optflag` in crate `getopts`
[INFO] [stderr]   --> src/bin/false.rs:14:18
[INFO] [stderr]    |
[INFO] [stderr] 14 |         getopts::optflag("V", "version", "output version information and exit"),
[INFO] [stderr]    |                  ^^^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `getopts` in crate `getopts`
[INFO] [stderr]   --> src/bin/false.rs:17:34
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let matches = match getopts::getopts(args.tail(), opts) {
[INFO] [stderr]    |                                  ^^^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `usage` in crate `getopts`
[INFO] [stderr]   --> src/bin/false.rs:22:44
[INFO] [stderr]    |
[INFO] [stderr] 22 |             println!("Usage: {}", getopts::usage(program.as_slice(), opts));
[INFO] [stderr]    |                                            ^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `usage` in crate `getopts`
[INFO] [stderr]   --> src/bin/false.rs:28:40
[INFO] [stderr]    |
[INFO] [stderr] 28 |         println!("Usage: {}", getopts::usage(program.as_slice(), opts));
[INFO] [stderr]    |                                        ^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `set_exit_status` in module `os`
[INFO] [stderr]   --> src/bin/false.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |     os::set_exit_status(1);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^ not found in `os`
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/bin/false.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate getopts;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 8 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] error[E0425]: cannot find function `args` in module `os`
[INFO] [stderr]  --> src/bin/true.rs:9:20
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let args = os::args();
[INFO] [stderr]   |                    ^^^^ not found in `os`
[INFO] [stderr]   |
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::env::args;
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `optflag` in crate `getopts`
[INFO] [stderr]   --> src/bin/true.rs:13:18
[INFO] [stderr]    |
[INFO] [stderr] 13 |         getopts::optflag("h", "help", "display this help and exit"),
[INFO] [stderr]    |                  ^^^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `optflag` in crate `getopts`
[INFO] [stderr]   --> src/bin/true.rs:14:18
[INFO] [stderr]    |
[INFO] [stderr] 14 |         getopts::optflag("V", "version", "output version information and exit"),
[INFO] [stderr]    |                  ^^^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `getopts` in crate `getopts`
[INFO] [stderr]   --> src/bin/true.rs:17:34
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let matches = match getopts::getopts(args.tail(), opts) {
[INFO] [stderr]    |                                  ^^^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `usage` in crate `getopts`
[INFO] [stderr]   --> src/bin/true.rs:22:44
[INFO] [stderr]    |
[INFO] [stderr] 22 |             println!("Usage: {}", getopts::usage(program.as_slice(), opts));
[INFO] [stderr]    |                                            ^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `usage` in crate `getopts`
[INFO] [stderr]   --> src/bin/true.rs:28:40
[INFO] [stderr]    |
[INFO] [stderr] 28 |         println!("Usage: {}", getopts::usage(program.as_slice(), opts));
[INFO] [stderr]    |                                        ^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `coreutils`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to 7 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `coreutils`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0599]: no method named `slice_to` found for reference `&str` in the current scope
[INFO] [stderr]   --> src/bin/basename.rs:13:19
[INFO] [stderr]    |
[INFO] [stderr] 13 |     return string.slice_to(string.len() - suffix.len()).to_string();
[INFO] [stderr]    |                   ^^^^^^^^ method not found in `&str`
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/bin/true.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate getopts;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `args` in module `os`
[INFO] [stderr]   --> src/bin/logname.rs:12:20
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let args = os::args();
[INFO] [stderr]    |                    ^^^^ not found in `os`
[INFO] [stderr]    |
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]    |
[INFO] [stderr] 5  | use std::env::args;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 8 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] error: could not compile `coreutils`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0425]: cannot find function `optflag` in crate `getopts`
[INFO] [stderr]   --> src/bin/logname.rs:16:18
[INFO] [stderr]    |
[INFO] [stderr] 16 |         getopts::optflag("h", "help", "display this help and exit"),
[INFO] [stderr]    |                  ^^^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `optflag` in crate `getopts`
[INFO] [stderr]   --> src/bin/logname.rs:17:18
[INFO] [stderr]    |
[INFO] [stderr] 17 |         getopts::optflag("V", "version", "output version information and exit"),
[INFO] [stderr]    |                  ^^^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `getopts` in crate `getopts`
[INFO] [stderr]   --> src/bin/logname.rs:20:34
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let matches = match getopts::getopts(args.tail(), opts) {
[INFO] [stderr]    |                                  ^^^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `usage` in crate `getopts`
[INFO] [stderr]   --> src/bin/logname.rs:25:44
[INFO] [stderr]    |
[INFO] [stderr] 25 |             println!("Usage: {}", getopts::usage(program.as_slice(), opts));
[INFO] [stderr]    |                                            ^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `usage` in crate `getopts`
[INFO] [stderr]   --> src/bin/logname.rs:31:40
[INFO] [stderr]    |
[INFO] [stderr] 31 |         println!("Usage: {}", getopts::usage(program.as_slice(), opts));
[INFO] [stderr]    |                                        ^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `getlogin` in this scope
[INFO] [stderr]   --> src/bin/logname.rs:42:13
[INFO] [stderr]    |
[INFO] [stderr] 42 |             getlogin() as *const libc::c_char,
[INFO] [stderr]    |             ^^^^^^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]    |
[INFO] [stderr] 5  | use libc::getlogin;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `set_exit_status` in module `os`
[INFO] [stderr]   --> src/bin/logname.rs:49:21
[INFO] [stderr]    |
[INFO] [stderr] 49 |         None => os::set_exit_status(1),
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^ not found in `os`
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/bin/logname.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | 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[E0599]: no method named `as_slice` found for struct `std::string::String` in the current scope
[INFO] [stderr]   --> src/bin/basename.rs:32:64
[INFO] [stderr]    |
[INFO] [stderr] 32 |             println!("Usage: {}", getopts::usage(program_usage.as_slice(), opts));
[INFO] [stderr]    |                                                                ^^^^^^^^ method not found in `std::string::String`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `write_fmt` found for mutable reference `&mut std::io::Stdout` in the current scope
[INFO] [stderr]   --> src/bin/yes.rs:47:15
[INFO] [stderr]    |
[INFO] [stderr] 47 |         match writeln!(stdout, "{}", output).err() {
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method not found in `&mut std::io::Stdout`
[INFO] [stderr]    |
[INFO] [stderr]    = help: items from traits can only be used if the trait is in scope
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stderr]    |
[INFO] [stderr] 5  | use std::io::Write;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Path`
[INFO] [stderr]   --> src/bin/basename.rs:60:16
[INFO] [stderr]    |
[INFO] [stderr] 60 |     let file = Path::new(args[1].as_slice());
[INFO] [stderr]    |                ^^^^ use of undeclared type or module `Path`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `args` in module `os`
[INFO] [stderr]   --> src/bin/basename.rs:18:20
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let args = os::args();
[INFO] [stderr]    |                    ^^^^ not found in `os`
[INFO] [stderr]    |
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]    |
[INFO] [stderr] 5  | use std::env::args;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `optflag` in crate `getopts`
[INFO] [stderr]   --> src/bin/basename.rs:23:18
[INFO] [stderr]    |
[INFO] [stderr] 23 |         getopts::optflag("h", "help", "display this help and exit"),
[INFO] [stderr]    |                  ^^^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `optflag` in crate `getopts`
[INFO] [stderr]   --> src/bin/basename.rs:24:18
[INFO] [stderr]    |
[INFO] [stderr] 24 |         getopts::optflag("V", "version", "output version information and exit"),
[INFO] [stderr]    |                  ^^^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `getopts` in crate `getopts`
[INFO] [stderr]   --> src/bin/basename.rs:27:34
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let matches = match getopts::getopts(args.tail(), opts) {
[INFO] [stderr]    |                                  ^^^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `usage` in crate `getopts`
[INFO] [stderr]   --> src/bin/basename.rs:32:44
[INFO] [stderr]    |
[INFO] [stderr] 32 |             println!("Usage: {}", getopts::usage(program_usage.as_slice(), opts));
[INFO] [stderr]    |                                            ^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `usage` in crate `getopts`
[INFO] [stderr]   --> src/bin/basename.rs:38:40
[INFO] [stderr]    |
[INFO] [stderr] 38 |         println!("Usage: {}", getopts::usage(program_usage.as_slice(), opts));
[INFO] [stderr]    |                                        ^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `usage` in crate `getopts`
[INFO] [stderr]   --> src/bin/basename.rs:51:40
[INFO] [stderr]    |
[INFO] [stderr] 51 |         println!("Usage: {}", getopts::usage(program_usage.as_slice(), opts));
[INFO] [stderr]    |                                        ^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `args` in module `os`
[INFO] [stderr]   --> src/bin/yes.rs:11:20
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let args = os::args();
[INFO] [stderr]    |                    ^^^^ not found in `os`
[INFO] [stderr]    |
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]    |
[INFO] [stderr] 5  | use std::env::args;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `optflag` in crate `getopts`
[INFO] [stderr]   --> src/bin/yes.rs:15:18
[INFO] [stderr]    |
[INFO] [stderr] 15 |         getopts::optflag("h", "help", "display this help and exit"),
[INFO] [stderr]    |                  ^^^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `optflag` in crate `getopts`
[INFO] [stderr]   --> src/bin/yes.rs:16:18
[INFO] [stderr]    |
[INFO] [stderr] 16 |         getopts::optflag("V", "version", "output version information and exit"),
[INFO] [stderr]    |                  ^^^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `getopts` in crate `getopts`
[INFO] [stderr]   --> src/bin/yes.rs:19:34
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let matches = match getopts::getopts(args.tail(), opts) {
[INFO] [stderr]    |                                  ^^^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `usage` in crate `getopts`
[INFO] [stderr]   --> src/bin/yes.rs:24:44
[INFO] [stderr]    |
[INFO] [stderr] 24 |             println!("Usage: {}", getopts::usage(program.as_slice(), opts));
[INFO] [stderr]    |                                            ^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `usage` in crate `getopts`
[INFO] [stderr]   --> src/bin/yes.rs:30:40
[INFO] [stderr]    |
[INFO] [stderr] 30 |         println!("Usage: {}", getopts::usage(program.as_slice(), opts));
[INFO] [stderr]    |                                        ^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0422]: cannot find struct, variant or union type `IoError` in module `io`
[INFO] [stderr]   --> src/bin/yes.rs:48:22
[INFO] [stderr]    |
[INFO] [stderr] 48 |               Some(io::IoError { kind: io::BrokenPipe, .. }) => break,
[INFO] [stderr]    |                        ^^^^^^^ help: a struct with a similar name exists: `Error`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 7 previous errors
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/bin/basename.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate getopts;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] error[E0531]: cannot find unit struct, unit variant or constant `BrokenPipe` in module `io`
[INFO] [stderr]   --> src/bin/yes.rs:48:42
[INFO] [stderr]    |
[INFO] [stderr] 48 |             Some(io::IoError { kind: io::BrokenPipe, .. }) => break,
[INFO] [stderr]    |                                          ^^^^^^^^^^ not found in `io`
[INFO] [stderr]    |
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]    |
[INFO] [stderr] 5  | use std::io::ErrorKind::BrokenPipe;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0603]: module `stdio` is private
[INFO] [stderr]    --> src/bin/yes.rs:44:31
[INFO] [stderr]     |
[INFO] [stderr] 44  |     let mut stdout = &mut io::stdio::stdout();
[INFO] [stderr]     |                               ^^^^^ private module
[INFO] [stderr]     |
[INFO] [stderr] note: the module `stdio` is defined here
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt`
[INFO] [stderr]  --> src/bin/yes.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::fmt;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` 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/bin/yes.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate getopts;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for struct `std::string::String` in the current scope
[INFO] [stderr]   --> src/bin/basename.rs:38:60
[INFO] [stderr]    |
[INFO] [stderr] 38 |         println!("Usage: {}", getopts::usage(program_usage.as_slice(), opts));
[INFO] [stderr]    |                                                            ^^^^^^^^ method not found in `std::string::String`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 11 previous errors
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for struct `std::string::String` in the current scope
[INFO] [stderr]   --> src/bin/basename.rs:51:60
[INFO] [stderr]    |
[INFO] [stderr] 51 |         println!("Usage: {}", getopts::usage(program_usage.as_slice(), opts));
[INFO] [stderr]    |                                                            ^^^^^^^^ method not found in `std::string::String`
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0422, E0425, E0531, E0599, E0603, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0422`.
[INFO] [stderr] error[E0425]: cannot find function `args` in module `os`
[INFO] [stderr]   --> src/bin/sync.rs:17:20
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let args = os::args();
[INFO] [stderr]    |                    ^^^^ not found in `os`
[INFO] [stderr]    |
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]    |
[INFO] [stderr] 7  | use std::env::args;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `optflag` in crate `getopts`
[INFO] [stderr]   --> src/bin/sync.rs:21:18
[INFO] [stderr]    |
[INFO] [stderr] 21 |         getopts::optflag("h", "help", "display this help and exit"),
[INFO] [stderr]    |                  ^^^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `coreutils`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0425]: cannot find function `optflag` in crate `getopts`
[INFO] [stderr]   --> src/bin/sync.rs:22:18
[INFO] [stderr]    |
[INFO] [stderr] 22 |         getopts::optflag("V", "version", "output version information and exit"),
[INFO] [stderr]    |                  ^^^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `getopts` in crate `getopts`
[INFO] [stderr]   --> src/bin/sync.rs:25:34
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let matches = match getopts::getopts(args.tail(), opts) {
[INFO] [stderr]    |                                  ^^^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `usage` in crate `getopts`
[INFO] [stderr]   --> src/bin/sync.rs:30:44
[INFO] [stderr]    |
[INFO] [stderr] 30 |             println!("Usage: {}", getopts::usage(program.as_slice(), opts));
[INFO] [stderr]    |                                            ^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `usage` in crate `getopts`
[INFO] [stderr]   --> src/bin/sync.rs:36:40
[INFO] [stderr]    |
[INFO] [stderr] 36 |         println!("Usage: {}", getopts::usage(program.as_slice(), opts));
[INFO] [stderr]    |                                        ^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `coreutils`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/bin/sync.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | 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/bin/logname.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | extern crate getopts;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/bin/logname.rs:42:34
[INFO] [stderr]    |
[INFO] [stderr] 42 |             getlogin() as *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: aborting due to 13 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, E0432, E0433, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] error: could not compile `coreutils`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `coreutils`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/bin/sync.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | extern crate getopts;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `args` in module `os`
[INFO] [stderr]  --> src/bin/false.rs:9:20
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let args = os::args();
[INFO] [stderr]   |                    ^^^^ not found in `os`
[INFO] [stderr]   |
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::env::args;
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `optflag` in crate `getopts`
[INFO] [stderr]   --> src/bin/false.rs:13:18
[INFO] [stderr]    |
[INFO] [stderr] 13 |         getopts::optflag("h", "help", "display this help and exit"),
[INFO] [stderr]    |                  ^^^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `optflag` in crate `getopts`
[INFO] [stderr]   --> src/bin/false.rs:14:18
[INFO] [stderr]    |
[INFO] [stderr] 14 |         getopts::optflag("V", "version", "output version information and exit"),
[INFO] [stderr]    |                  ^^^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `getopts` in crate `getopts`
[INFO] [stderr]   --> src/bin/false.rs:17:34
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let matches = match getopts::getopts(args.tail(), opts) {
[INFO] [stderr]    |                                  ^^^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `usage` in crate `getopts`
[INFO] [stderr]   --> src/bin/false.rs:22:44
[INFO] [stderr]    |
[INFO] [stderr] 22 |             println!("Usage: {}", getopts::usage(program.as_slice(), opts));
[INFO] [stderr]    |                                            ^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `usage` in crate `getopts`
[INFO] [stderr]   --> src/bin/false.rs:28:40
[INFO] [stderr]    |
[INFO] [stderr] 28 |         println!("Usage: {}", getopts::usage(program.as_slice(), opts));
[INFO] [stderr]    |                                        ^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `set_exit_status` in module `os`
[INFO] [stderr]   --> src/bin/false.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |     os::set_exit_status(1);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^ not found in `os`
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/bin/false.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate getopts;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 13 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, E0433, E0599, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] error: aborting due to 8 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `coreutils`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] Some errors have detailed explanations: E0425, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] error: aborting due to 8 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] error: could not compile `coreutils`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `coreutils`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0599]: no method named `slice_to` found for reference `&str` in the current scope
[INFO] [stderr]   --> src/bin/basename.rs:13:19
[INFO] [stderr]    |
[INFO] [stderr] 13 |     return string.slice_to(string.len() - suffix.len()).to_string();
[INFO] [stderr]    |                   ^^^^^^^^ method not found in `&str`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `write_fmt` found for mutable reference `&mut std::io::Stdout` in the current scope
[INFO] [stderr]   --> src/bin/yes.rs:47:15
[INFO] [stderr]    |
[INFO] [stderr] 47 |         match writeln!(stdout, "{}", output).err() {
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method not found in `&mut std::io::Stdout`
[INFO] [stderr]    |
[INFO] [stderr]    = help: items from traits can only be used if the trait is in scope
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stderr]    |
[INFO] [stderr] 5  | use std::io::Write;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for struct `std::string::String` in the current scope
[INFO] [stderr]   --> src/bin/basename.rs:32:64
[INFO] [stderr]    |
[INFO] [stderr] 32 |             println!("Usage: {}", getopts::usage(program_usage.as_slice(), opts));
[INFO] [stderr]    |                                                                ^^^^^^^^ method not found in `std::string::String`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for struct `std::string::String` in the current scope
[INFO] [stderr]   --> src/bin/basename.rs:38:60
[INFO] [stderr]    |
[INFO] [stderr] 38 |         println!("Usage: {}", getopts::usage(program_usage.as_slice(), opts));
[INFO] [stderr]    |                                                            ^^^^^^^^ method not found in `std::string::String`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 11 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0422, E0425, E0531, E0599, E0603, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0422`.
[INFO] [stderr] error[E0599]: no method named `as_slice` found for struct `std::string::String` in the current scope
[INFO] [stderr]   --> src/bin/basename.rs:51:60
[INFO] [stderr]    |
[INFO] [stderr] 51 |         println!("Usage: {}", getopts::usage(program_usage.as_slice(), opts));
[INFO] [stderr]    |                                                            ^^^^^^^^ method not found in `std::string::String`
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `coreutils`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to 13 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, E0433, E0599, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] error: could not compile `coreutils`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "7cc340fa1d547534581f1f535373d78f9b124a063de14ccc964349649b0c5759"`
[INFO] running `"docker" "rm" "-f" "7cc340fa1d547534581f1f535373d78f9b124a063de14ccc964349649b0c5759"`
[INFO] [stdout] 7cc340fa1d547534581f1f535373d78f9b124a063de14ccc964349649b0c5759
