[INFO] cloning repository https://github.com/GinoLas2001/epc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GinoLas2001/epc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGinoLas2001%2Fepc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGinoLas2001%2Fepc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 99ebddf59ea9d9b3ad132c9d0ae5a9334ac45140
[INFO] checking GinoLas2001/epc against master#8f21a5c92ea55c348c275a1bc4fedbdf181e0d64 for pr-143011
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGinoLas2001%2Fepc" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/GinoLas2001/epc
[INFO] finished tweaking git repo https://github.com/GinoLas2001/epc
[INFO] tweaked toml for git repo https://github.com/GinoLas2001/epc written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/GinoLas2001/epc on toolchain 8f21a5c92ea55c348c275a1bc4fedbdf181e0d64
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/GinoLas2001/epc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] acf211e878d911ac311dacd1506aeaa305a1900f2108735e2f2f78031c98bfdd
[INFO] running `Command { std: "docker" "start" "-a" "acf211e878d911ac311dacd1506aeaa305a1900f2108735e2f2f78031c98bfdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "acf211e878d911ac311dacd1506aeaa305a1900f2108735e2f2f78031c98bfdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acf211e878d911ac311dacd1506aeaa305a1900f2108735e2f2f78031c98bfdd", kill_on_drop: false }`
[INFO] [stdout] acf211e878d911ac311dacd1506aeaa305a1900f2108735e2f2f78031c98bfdd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ea03466b19261ee765dc5f6fd65ca4b838b613cc22fedb8fb5dc384c63ff0a2
[INFO] running `Command { std: "docker" "start" "-a" "2ea03466b19261ee765dc5f6fd65ca4b838b613cc22fedb8fb5dc384c63ff0a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]     Checking EPC v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `libc`
[INFO] [stdout]    --> src/lib.rs:195:9
[INFO] [stdout]     |
[INFO] [stdout] 195 |     use libc::{c_int, mkfifo, mode_t, EACCES, EEXIST, ENOENT, O_RDONLY, O_WRONLY, S_IWUSR,S_IRUSR};
[INFO] [stdout]     |         ^^^^ use of unresolved module or unlinked crate `libc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `libc`, use `cargo add libc` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `libc`
[INFO] [stdout]    --> src/lib.rs:195:9
[INFO] [stdout]     |
[INFO] [stdout] 195 |     use libc::{c_int, mkfifo, mode_t, EACCES, EEXIST, ENOENT, O_RDONLY, O_WRONLY, S_IWUSR,S_IRUSR};
[INFO] [stdout]     |         ^^^^ use of unresolved module or unlinked crate `libc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `libc`, use `cargo add libc` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ffi::CString`
[INFO] [stdout]    --> src/lib.rs:197:9
[INFO] [stdout]     |
[INFO] [stdout] 197 |     use std::ffi::CString;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Error` and `self`
[INFO] [stdout]    --> src/lib.rs:201:19
[INFO] [stdout]     |
[INFO] [stdout] 201 |     use std::io::{self, Error};
[INFO] [stdout]     |                   ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::os::unix::fs::OpenOptionsExt`
[INFO] [stdout]    --> src/lib.rs:205:9
[INFO] [stdout]     |
[INFO] [stdout] 205 |     use std::os::unix::fs::OpenOptionsExt;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]    --> src/lib.rs:207:9
[INFO] [stdout]     |
[INFO] [stdout] 207 |     use std::path::Path;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ffi::CString`
[INFO] [stdout]    --> src/lib.rs:197:9
[INFO] [stdout]     |
[INFO] [stdout] 197 |     use std::ffi::CString;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Error` and `self`
[INFO] [stdout]    --> src/lib.rs:201:19
[INFO] [stdout]     |
[INFO] [stdout] 201 |     use std::io::{self, Error};
[INFO] [stdout]     |                   ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::os::unix::fs::OpenOptionsExt`
[INFO] [stdout]    --> src/lib.rs:205:9
[INFO] [stdout]     |
[INFO] [stdout] 205 |     use std::os::unix::fs::OpenOptionsExt;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]    --> src/lib.rs:207:9
[INFO] [stdout]     |
[INFO] [stdout] 207 |     use std::path::Path;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `errno`
[INFO] [stdout]    --> src/lib.rs:237:25
[INFO] [stdout]     |
[INFO] [stdout] 237 |             let error = errno::errno();
[INFO] [stdout]     |                         ^^^^^ use of unresolved module or unlinked crate `errno`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `errno`, use `cargo add errno` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `errno`
[INFO] [stdout]    --> src/lib.rs:237:25
[INFO] [stdout]     |
[INFO] [stdout] 237 |             let error = errno::errno();
[INFO] [stdout]     |                         ^^^^^ use of unresolved module or unlinked crate `errno`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `errno`, use `cargo add errno` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `libc`
[INFO] [stdout]    --> src/lib.rs:282:34
[INFO] [stdout]     |
[INFO] [stdout] 282 |                 let fd : c_int = libc::open(self.path_cs.as_ptr() as * mut i8, O_RDONLY);
[INFO] [stdout]     |                                  ^^^^ use of unresolved module or unlinked crate `libc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `libc`, use `cargo add libc` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `libc`
[INFO] [stdout]    --> src/lib.rs:282:34
[INFO] [stdout]     |
[INFO] [stdout] 282 |                 let fd : c_int = libc::open(self.path_cs.as_ptr() as * mut i8, O_RDONLY);
[INFO] [stdout]     |                                  ^^^^ use of unresolved module or unlinked crate `libc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `libc`, use `cargo add libc` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `errno`
[INFO] [stdout]    --> src/lib.rs:284:70
[INFO] [stdout]     |
[INFO] [stdout] 284 |                     -1 => return Err(format!("Could not connect: {}",errno::errno())),
[INFO] [stdout]     |                                                                      ^^^^^ use of unresolved module or unlinked crate `errno`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `errno`, use `cargo add errno` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `libc`
[INFO] [stdout]    --> src/lib.rs:287:35
[INFO] [stdout]     |
[INFO] [stdout] 287 |                         let res = libc::read(fd,read_buffer.as_mut_ptr() as *mut c_void,self.message_size);
[INFO] [stdout]     |                                   ^^^^ use of unresolved module or unlinked crate `libc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `libc`, use `cargo add libc` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `libc`
[INFO] [stdout]    --> src/lib.rs:314:34
[INFO] [stdout]     |
[INFO] [stdout] 314 |                 let fd : c_int = libc::open(self.path_sc.as_ptr() as * mut i8, O_WRONLY);
[INFO] [stdout]     |                                  ^^^^ use of unresolved module or unlinked crate `libc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `libc`, use `cargo add libc` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `errno`
[INFO] [stdout]    --> src/lib.rs:316:70
[INFO] [stdout]     |
[INFO] [stdout] 316 |                     -1 => return Err(format!("Could not connect: {}",errno::errno())),
[INFO] [stdout]     |                                                                      ^^^^^ use of unresolved module or unlinked crate `errno`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `errno`, use `cargo add errno` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `libc`
[INFO] [stdout]    --> src/lib.rs:318:35
[INFO] [stdout]     |
[INFO] [stdout] 318 |                         let res = libc::write(fd,omessage.as_mut_ptr() as *mut c_void,self.message_size);
[INFO] [stdout]     |                                   ^^^^ use of unresolved module or unlinked crate `libc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `libc`, use `cargo add libc` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `libc`
[INFO] [stdout]    --> src/lib.rs:351:34
[INFO] [stdout]     |
[INFO] [stdout] 351 |                 let fd : c_int = libc::open(self.path_cs.as_ptr() as * mut i8, O_WRONLY);
[INFO] [stdout]     |                                  ^^^^ use of unresolved module or unlinked crate `libc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `libc`, use `cargo add libc` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `errno`
[INFO] [stdout]    --> src/lib.rs:353:70
[INFO] [stdout]     |
[INFO] [stdout] 353 |                     -1 => return Err(format!("Could not connect: {}",errno::errno())),
[INFO] [stdout]     |                                                                      ^^^^^ use of unresolved module or unlinked crate `errno`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `errno`, use `cargo add errno` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `libc`
[INFO] [stdout]    --> src/lib.rs:355:35
[INFO] [stdout]     |
[INFO] [stdout] 355 |                         let res = libc::write(fd,omessage.as_mut_ptr() as *mut c_void,self.message_size);
[INFO] [stdout]     |                                   ^^^^ use of unresolved module or unlinked crate `libc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `libc`, use `cargo add libc` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `errno`
[INFO] [stdout]    --> src/lib.rs:284:70
[INFO] [stdout]     |
[INFO] [stdout] 284 |                     -1 => return Err(format!("Could not connect: {}",errno::errno())),
[INFO] [stdout]     |                                                                      ^^^^^ use of unresolved module or unlinked crate `errno`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `errno`, use `cargo add errno` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `libc`
[INFO] [stdout]    --> src/lib.rs:287:35
[INFO] [stdout]     |
[INFO] [stdout] 287 |                         let res = libc::read(fd,read_buffer.as_mut_ptr() as *mut c_void,self.message_size);
[INFO] [stdout]     |                                   ^^^^ use of unresolved module or unlinked crate `libc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `libc`, use `cargo add libc` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `libc`
[INFO] [stdout]    --> src/lib.rs:314:34
[INFO] [stdout]     |
[INFO] [stdout] 314 |                 let fd : c_int = libc::open(self.path_sc.as_ptr() as * mut i8, O_WRONLY);
[INFO] [stdout]     |                                  ^^^^ use of unresolved module or unlinked crate `libc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `libc`, use `cargo add libc` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `errno`
[INFO] [stdout]    --> src/lib.rs:316:70
[INFO] [stdout]     |
[INFO] [stdout] 316 |                     -1 => return Err(format!("Could not connect: {}",errno::errno())),
[INFO] [stdout]     |                                                                      ^^^^^ use of unresolved module or unlinked crate `errno`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `errno`, use `cargo add errno` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `libc`
[INFO] [stdout]    --> src/lib.rs:318:35
[INFO] [stdout]     |
[INFO] [stdout] 318 |                         let res = libc::write(fd,omessage.as_mut_ptr() as *mut c_void,self.message_size);
[INFO] [stdout]     |                                   ^^^^ use of unresolved module or unlinked crate `libc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `libc`, use `cargo add libc` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `libc`
[INFO] [stdout]    --> src/lib.rs:351:34
[INFO] [stdout]     |
[INFO] [stdout] 351 |                 let fd : c_int = libc::open(self.path_cs.as_ptr() as * mut i8, O_WRONLY);
[INFO] [stdout]     |                                  ^^^^ use of unresolved module or unlinked crate `libc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `libc`, use `cargo add libc` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `errno`
[INFO] [stdout]    --> src/lib.rs:353:70
[INFO] [stdout]     |
[INFO] [stdout] 353 |                     -1 => return Err(format!("Could not connect: {}",errno::errno())),
[INFO] [stdout]     |                                                                      ^^^^^ use of unresolved module or unlinked crate `errno`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `errno`, use `cargo add errno` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `libc`
[INFO] [stdout]    --> src/lib.rs:370:34
[INFO] [stdout]     |
[INFO] [stdout] 370 |                 let fd : c_int = libc::open(self.path_sc.as_ptr() as * mut i8, O_RDONLY);
[INFO] [stdout]     |                                  ^^^^ use of unresolved module or unlinked crate `libc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `libc`, use `cargo add libc` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `libc`
[INFO] [stdout]    --> src/lib.rs:355:35
[INFO] [stdout]     |
[INFO] [stdout] 355 |                         let res = libc::write(fd,omessage.as_mut_ptr() as *mut c_void,self.message_size);
[INFO] [stdout]     |                                   ^^^^ use of unresolved module or unlinked crate `libc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `libc`, use `cargo add libc` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `libc`
[INFO] [stdout]    --> src/lib.rs:370:34
[INFO] [stdout]     |
[INFO] [stdout] 370 |                 let fd : c_int = libc::open(self.path_sc.as_ptr() as * mut i8, O_RDONLY);
[INFO] [stdout]     |                                  ^^^^ use of unresolved module or unlinked crate `libc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `libc`, use `cargo add libc` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `errno`
[INFO] [stdout]    --> src/lib.rs:372:70
[INFO] [stdout]     |
[INFO] [stdout] 372 |                     -1 => return Err(format!("Could not connect: {}",errno::errno())),
[INFO] [stdout]     |                                                                      ^^^^^ use of unresolved module or unlinked crate `errno`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `errno`, use `cargo add errno` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `libc`
[INFO] [stdout]    --> src/lib.rs:375:35
[INFO] [stdout]     |
[INFO] [stdout] 375 |                         let res = libc::read(fd,read_buffer.as_mut_ptr() as *mut c_void,self.message_size);
[INFO] [stdout]     |                                   ^^^^ use of unresolved module or unlinked crate `libc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `libc`, use `cargo add libc` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `errno`
[INFO] [stdout]    --> src/lib.rs:372:70
[INFO] [stdout]     |
[INFO] [stdout] 372 |                     -1 => return Err(format!("Could not connect: {}",errno::errno())),
[INFO] [stdout]     |                                                                      ^^^^^ use of unresolved module or unlinked crate `errno`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `errno`, use `cargo add errno` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `libc`
[INFO] [stdout]    --> src/lib.rs:375:35
[INFO] [stdout]     |
[INFO] [stdout] 375 |                         let res = libc::read(fd,read_buffer.as_mut_ptr() as *mut c_void,self.message_size);
[INFO] [stdout]     |                                   ^^^^ use of unresolved module or unlinked crate `libc`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `libc`, use `cargo add libc` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `EPC` (lib) due to 14 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `EPC` (lib test) due to 14 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "2ea03466b19261ee765dc5f6fd65ca4b838b613cc22fedb8fb5dc384c63ff0a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ea03466b19261ee765dc5f6fd65ca4b838b613cc22fedb8fb5dc384c63ff0a2", kill_on_drop: false }`
[INFO] [stdout] 2ea03466b19261ee765dc5f6fd65ca4b838b613cc22fedb8fb5dc384c63ff0a2
