[INFO] crate random_access_file 0.4.0 is already in cache
[INFO] testing random_access_file-0.4.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate random_access_file 0.4.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate random_access_file 0.4.0 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate random_access_file 0.4.0
[INFO] finished tweaking crates.io crate random_access_file 0.4.0
[INFO] tweaked toml for crates.io crate random_access_file 0.4.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cfile-rs v0.3.3
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a73969b5ab39dc83c377a3748a7cd3e497a5c396d377fa66a758f41ad5978405
[INFO] running `"docker" "start" "-a" "a73969b5ab39dc83c377a3748a7cd3e497a5c396d377fa66a758f41ad5978405"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling cfile-rs v0.3.3
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cfile-rs-0.3.3/src/lib.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | #![feature(libc)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cfile-rs-0.3.3/src/lib.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | #![feature(unique)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cfile-rs-0.3.3/src/lib.rs:24:1
[INFO] [stderr]    |
[INFO] [stderr] 24 | 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] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cfile-rs-0.3.3/src/lib.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 | use libc::FILE;
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals': use `NonNull` instead and consider `PhantomData<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cfile-rs-0.3.3/src/lib.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 | use std::ptr::Unique;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals': use `NonNull` instead and consider `PhantomData<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cfile-rs-0.3.3/src/lib.rs:71:15
[INFO] [stderr]    |
[INFO] [stderr] 71 |     file_ptr: Unique<FILE>,
[INFO] [stderr]    |               ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cfile-rs-0.3.3/src/lib.rs:71:22
[INFO] [stderr]    |
[INFO] [stderr] 71 |     file_ptr: Unique<FILE>,
[INFO] [stderr]    |                      ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cfile-rs-0.3.3/src/lib.rs:116:36
[INFO] [stderr]     |
[INFO] [stderr] 116 |                     let file_ptr = libc::fopen(path.as_ptr(), mode.as_ptr());
[INFO] [stderr]     |                                    ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals': use `NonNull` instead and consider `PhantomData<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cfile-rs-0.3.3/src/lib.rs:122:43
[INFO] [stderr]     |
[INFO] [stderr] 122 | ...                   file_ptr: Unique::new(file_ptr),
[INFO] [stderr]     |                                 ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cfile-rs-0.3.3/src/lib.rs:156:26
[INFO] [stderr]     |
[INFO] [stderr] 156 |             let result = libc::remove(path.as_ptr());
[INFO] [stderr]     |                          ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cfile-rs-0.3.3/src/lib.rs:171:27
[INFO] [stderr]     |
[INFO] [stderr] 171 |                 let res = libc::fclose(*self.file_ptr);
[INFO] [stderr]     |                           ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals': use `NonNull` instead and consider `PhantomData<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cfile-rs-0.3.3/src/lib.rs:173:37
[INFO] [stderr]     |
[INFO] [stderr] 173 |                     self.file_ptr = Unique::new(null_mut::<libc::FILE>());
[INFO] [stderr]     |                                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cfile-rs-0.3.3/src/lib.rs:173:60
[INFO] [stderr]     |
[INFO] [stderr] 173 |                     self.file_ptr = Unique::new(null_mut::<libc::FILE>());
[INFO] [stderr]     |                                                            ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cfile-rs-0.3.3/src/lib.rs:186:53
[INFO] [stderr]     |
[INFO] [stderr] 186 |     pub unsafe fn file<'a>(&'a mut self) -> &'a mut libc::FILE {
[INFO] [stderr]     |                                                     ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cfile-rs-0.3.3/src/lib.rs:195:23
[INFO] [stderr]     |
[INFO] [stderr] 195 |             let pos = libc::ftell(*self.file_ptr);
[INFO] [stderr]     |                       ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cfile-rs-0.3.3/src/lib.rs:237:33
[INFO] [stderr]     |
[INFO] [stderr] 237 |             let written_bytes = libc::fwrite(buf.as_ptr() as *const libc::c_void, 1, buf.len(), *self.file_ptr);
[INFO] [stderr]     |                                 ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cfile-rs-0.3.3/src/lib.rs:265:33
[INFO] [stderr]     |
[INFO] [stderr] 265 |             let written_bytes = libc::fwrite(buf.as_ptr() as *const libc::c_void, 1, buf.len(), *self.file_ptr);
[INFO] [stderr]     |                                 ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cfile-rs-0.3.3/src/lib.rs:297:26
[INFO] [stderr]     |
[INFO] [stderr] 297 |             let result = libc::fflush(*self.file_ptr);
[INFO] [stderr]     |                          ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cfile-rs-0.3.3/src/lib.rs:378:26
[INFO] [stderr]     |
[INFO] [stderr] 378 |             let result = libc::fread(buf.as_ptr() as *mut libc::c_void, 1, buf.len(), *self.file_ptr);
[INFO] [stderr]     |                          ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cfile-rs-0.3.3/src/lib.rs:408:26
[INFO] [stderr]     |
[INFO] [stderr] 408 |             let result = libc::fread(buf.as_ptr() as *mut libc::c_void, 1, buf.len(), *self.file_ptr);
[INFO] [stderr]     |                          ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cfile-rs-0.3.3/src/lib.rs:413:20
[INFO] [stderr]     |
[INFO] [stderr] 413 |                 if libc::feof(*self.file_ptr) != 0 {
[INFO] [stderr]     |                    ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cfile-rs-0.3.3/src/lib.rs:444:21
[INFO] [stderr]     |
[INFO] [stderr] 444 |                     libc::fseek(*self.file_ptr, from as libc::c_long, libc::SEEK_SET),
[INFO] [stderr]     |                     ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cfile-rs-0.3.3/src/lib.rs:444:57
[INFO] [stderr]     |
[INFO] [stderr] 444 |                     libc::fseek(*self.file_ptr, from as libc::c_long, libc::SEEK_SET),
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cfile-rs-0.3.3/src/lib.rs:444:71
[INFO] [stderr]     |
[INFO] [stderr] 444 |                     libc::fseek(*self.file_ptr, from as libc::c_long, libc::SEEK_SET),
[INFO] [stderr]     |                                                                       ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cfile-rs-0.3.3/src/lib.rs:446:21
[INFO] [stderr]     |
[INFO] [stderr] 446 |                     libc::fseek(*self.file_ptr, from as libc::c_long, libc::SEEK_END),
[INFO] [stderr]     |                     ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cfile-rs-0.3.3/src/lib.rs:446:57
[INFO] [stderr]     |
[INFO] [stderr] 446 |                     libc::fseek(*self.file_ptr, from as libc::c_long, libc::SEEK_END),
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cfile-rs-0.3.3/src/lib.rs:446:71
[INFO] [stderr]     |
[INFO] [stderr] 446 |                     libc::fseek(*self.file_ptr, from as libc::c_long, libc::SEEK_END),
[INFO] [stderr]     |                                                                       ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cfile-rs-0.3.3/src/lib.rs:448:21
[INFO] [stderr]     |
[INFO] [stderr] 448 |                     libc::fseek(*self.file_ptr, delta as libc::c_long, libc::SEEK_CUR)
[INFO] [stderr]     |                     ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cfile-rs-0.3.3/src/lib.rs:448:58
[INFO] [stderr]     |
[INFO] [stderr] 448 |                     libc::fseek(*self.file_ptr, delta as libc::c_long, libc::SEEK_CUR)
[INFO] [stderr]     |                                                          ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cfile-rs-0.3.3/src/lib.rs:448:72
[INFO] [stderr]     |
[INFO] [stderr] 448 |                     libc::fseek(*self.file_ptr, delta as libc::c_long, libc::SEEK_CUR)
[INFO] [stderr]     |                                                                        ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cfile-rs-0.3.3/src/lib.rs:464:27
[INFO] [stderr]     |
[INFO] [stderr] 464 |                 let res = libc::fclose(*self.file_ptr);
[INFO] [stderr]     |                           ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals': use `NonNull` instead and consider `PhantomData<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cfile-rs-0.3.3/src/lib.rs:466:37
[INFO] [stderr]     |
[INFO] [stderr] 466 |                     self.file_ptr = Unique::new(null_mut::<libc::FILE>());
[INFO] [stderr]     |                                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cfile-rs-0.3.3/src/lib.rs:466:60
[INFO] [stderr]     |
[INFO] [stderr] 466 |                     self.file_ptr = Unique::new(null_mut::<libc::FILE>());
[INFO] [stderr]     |                                                            ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cfile-rs-0.3.3/src/lib.rs:122:43
[INFO] [stderr]     |
[INFO] [stderr] 122 | ...                   file_ptr: Unique::new(file_ptr),
[INFO] [stderr]     |                                 ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cfile-rs-0.3.3/src/lib.rs:122:43
[INFO] [stderr]     |
[INFO] [stderr] 122 | ...                   file_ptr: Unique::new(file_ptr),
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^ expected struct `std::ptr::Unique`, found enum `std::option::Option`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected struct `std::ptr::Unique<_>`
[INFO] [stderr]                  found enum `std::option::Option<std::ptr::Unique<_>>`
[INFO] [stderr] 
[INFO] [stderr] error[E0614]: type `std::ptr::Unique<libc::FILE>` cannot be dereferenced
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cfile-rs-0.3.3/src/lib.rs:170:17
[INFO] [stderr]     |
[INFO] [stderr] 170 |             if !(*self.file_ptr).is_null() {
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0614]: type `std::ptr::Unique<libc::FILE>` cannot be dereferenced
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cfile-rs-0.3.3/src/lib.rs:171:40
[INFO] [stderr]     |
[INFO] [stderr] 171 |                 let res = libc::fclose(*self.file_ptr);
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cfile-rs-0.3.3/src/lib.rs:173:37
[INFO] [stderr]     |
[INFO] [stderr] 173 |                     self.file_ptr = Unique::new(null_mut::<libc::FILE>());
[INFO] [stderr]     |                                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cfile-rs-0.3.3/src/lib.rs:173:37
[INFO] [stderr]     |
[INFO] [stderr] 173 |                     self.file_ptr = Unique::new(null_mut::<libc::FILE>());
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `std::ptr::Unique`, found enum `std::option::Option`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected struct `std::ptr::Unique<_>`
[INFO] [stderr]                  found enum `std::option::Option<std::ptr::Unique<_>>`
[INFO] [stderr] 
[INFO] [stderr] error[E0614]: type `std::ptr::Unique<libc::FILE>` cannot be dereferenced
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cfile-rs-0.3.3/src/lib.rs:187:16
[INFO] [stderr]     |
[INFO] [stderr] 187 |         &mut (**self.file_ptr)
[INFO] [stderr]     |                ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0614]: type `std::ptr::Unique<libc::FILE>` cannot be dereferenced
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cfile-rs-0.3.3/src/lib.rs:195:35
[INFO] [stderr]     |
[INFO] [stderr] 195 |             let pos = libc::ftell(*self.file_ptr);
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0614]: type `std::ptr::Unique<libc::FILE>` cannot be dereferenced
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cfile-rs-0.3.3/src/lib.rs:237:97
[INFO] [stderr]     |
[INFO] [stderr] 237 |             let written_bytes = libc::fwrite(buf.as_ptr() as *const libc::c_void, 1, buf.len(), *self.file_ptr);
[INFO] [stderr]     |                                                                                                 ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0614]: type `std::ptr::Unique<libc::FILE>` cannot be dereferenced
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cfile-rs-0.3.3/src/lib.rs:265:97
[INFO] [stderr]     |
[INFO] [stderr] 265 |             let written_bytes = libc::fwrite(buf.as_ptr() as *const libc::c_void, 1, buf.len(), *self.file_ptr);
[INFO] [stderr]     |                                                                                                 ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0614]: type `std::ptr::Unique<libc::FILE>` cannot be dereferenced
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cfile-rs-0.3.3/src/lib.rs:297:39
[INFO] [stderr]     |
[INFO] [stderr] 297 |             let result = libc::fflush(*self.file_ptr);
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0614]: type `std::ptr::Unique<libc::FILE>` cannot be dereferenced
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cfile-rs-0.3.3/src/lib.rs:378:87
[INFO] [stderr]     |
[INFO] [stderr] 378 |             let result = libc::fread(buf.as_ptr() as *mut libc::c_void, 1, buf.len(), *self.file_ptr);
[INFO] [stderr]     |                                                                                       ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0614]: type `std::ptr::Unique<libc::FILE>` cannot be dereferenced
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cfile-rs-0.3.3/src/lib.rs:408:87
[INFO] [stderr]     |
[INFO] [stderr] 408 |             let result = libc::fread(buf.as_ptr() as *mut libc::c_void, 1, buf.len(), *self.file_ptr);
[INFO] [stderr]     |                                                                                       ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0614]: type `std::ptr::Unique<libc::FILE>` cannot be dereferenced
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cfile-rs-0.3.3/src/lib.rs:413:31
[INFO] [stderr]     |
[INFO] [stderr] 413 |                 if libc::feof(*self.file_ptr) != 0 {
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0614]: type `std::ptr::Unique<libc::FILE>` cannot be dereferenced
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cfile-rs-0.3.3/src/lib.rs:444:33
[INFO] [stderr]     |
[INFO] [stderr] 444 |                     libc::fseek(*self.file_ptr, from as libc::c_long, libc::SEEK_SET),
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0614]: type `std::ptr::Unique<libc::FILE>` cannot be dereferenced
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cfile-rs-0.3.3/src/lib.rs:446:33
[INFO] [stderr]     |
[INFO] [stderr] 446 |                     libc::fseek(*self.file_ptr, from as libc::c_long, libc::SEEK_END),
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0614]: type `std::ptr::Unique<libc::FILE>` cannot be dereferenced
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cfile-rs-0.3.3/src/lib.rs:448:33
[INFO] [stderr]     |
[INFO] [stderr] 448 |                     libc::fseek(*self.file_ptr, delta as libc::c_long, libc::SEEK_CUR)
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0614]: type `std::ptr::Unique<libc::FILE>` cannot be dereferenced
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cfile-rs-0.3.3/src/lib.rs:463:17
[INFO] [stderr]     |
[INFO] [stderr] 463 |             if !(*self.file_ptr).is_null() {
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0614]: type `std::ptr::Unique<libc::FILE>` cannot be dereferenced
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cfile-rs-0.3.3/src/lib.rs:464:40
[INFO] [stderr]     |
[INFO] [stderr] 464 |                 let res = libc::fclose(*self.file_ptr);
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cfile-rs-0.3.3/src/lib.rs:466:37
[INFO] [stderr]     |
[INFO] [stderr] 466 |                     self.file_ptr = Unique::new(null_mut::<libc::FILE>());
[INFO] [stderr]     |                                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cfile-rs-0.3.3/src/lib.rs:466:37
[INFO] [stderr]     |
[INFO] [stderr] 466 |                     self.file_ptr = Unique::new(null_mut::<libc::FILE>());
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `std::ptr::Unique`, found enum `std::option::Option`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected struct `std::ptr::Unique<_>`
[INFO] [stderr]                  found enum `std::option::Option<std::ptr::Unique<_>>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 54 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0308, E0554, E0614, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `cfile-rs`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "a73969b5ab39dc83c377a3748a7cd3e497a5c396d377fa66a758f41ad5978405"`
[INFO] running `"docker" "rm" "-f" "a73969b5ab39dc83c377a3748a7cd3e497a5c396d377fa66a758f41ad5978405"`
[INFO] [stdout] a73969b5ab39dc83c377a3748a7cd3e497a5c396d377fa66a758f41ad5978405