[INFO] crate ccl-crossbeam-epoch 0.7.4 is already in cache
[INFO] extracting crate ccl-crossbeam-epoch 0.7.4 into work/ex/beta-1.38-1/sources/1.37.0/reg/ccl-crossbeam-epoch/0.7.4
[INFO] extracting crate ccl-crossbeam-epoch 0.7.4 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ccl-crossbeam-epoch/0.7.4
[INFO] validating manifest of ccl-crossbeam-epoch-0.7.4 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ccl-crossbeam-epoch-0.7.4 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ccl-crossbeam-epoch-0.7.4
[INFO] finished frobbing ccl-crossbeam-epoch-0.7.4
[INFO] frobbed toml for ccl-crossbeam-epoch-0.7.4 written to work/ex/beta-1.38-1/sources/1.37.0/reg/ccl-crossbeam-epoch/0.7.4/Cargo.toml
[INFO] started frobbing ccl-crossbeam-epoch-0.7.4
[INFO] finished frobbing ccl-crossbeam-epoch-0.7.4
[INFO] frobbed toml for ccl-crossbeam-epoch-0.7.4 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ccl-crossbeam-epoch/0.7.4/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ccl-crossbeam-epoch-0.7.4 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ccl-crossbeam-epoch/0.7.4:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] e4c60e11841ceacf0631de3829fb52066c74600b7d0671db641b7b71664cdbac
[INFO] running `"docker" "start" "-a" "e4c60e11841ceacf0631de3829fb52066c74600b7d0671db641b7b71664cdbac"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ccl-crossbeam-epoch v0.7.4 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `"docker" "inspect" "e4c60e11841ceacf0631de3829fb52066c74600b7d0671db641b7b71664cdbac"`
[INFO] running `"docker" "rm" "-f" "e4c60e11841ceacf0631de3829fb52066c74600b7d0671db641b7b71664cdbac"`
[INFO] [stdout] e4c60e11841ceacf0631de3829fb52066c74600b7d0671db641b7b71664cdbac
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ccl-crossbeam-epoch/0.7.4:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] ac37dd4af7a4dc312a0c0901284b1edc132d53cb4f2152d1cfb539520172e5a7
[INFO] running `"docker" "start" "-a" "ac37dd4af7a4dc312a0c0901284b1edc132d53cb4f2152d1cfb539520172e5a7"`
[INFO] [stderr]    Compiling ccl-crossbeam-epoch v0.7.4 (/opt/crater/workdir)
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> examples/treiber_stack.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate crossbeam_epoch as epoch;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> examples/treiber_stack.rs:8:13
[INFO] [stderr]   |
[INFO] [stderr] 8 | use epoch::{Atomic, Owned};
[INFO] [stderr]   |             ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> examples/treiber_stack.rs:8:21
[INFO] [stderr]   |
[INFO] [stderr] 8 | use epoch::{Atomic, Owned};
[INFO] [stderr]   |                     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> examples/treiber_stack.rs:16:11
[INFO] [stderr]    |
[INFO] [stderr] 16 |     head: Atomic<Node<T>>,
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> examples/treiber_stack.rs:22:11
[INFO] [stderr]    |
[INFO] [stderr] 22 |     next: Atomic<Node<T>>,
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> examples/treiber_stack.rs:29:19
[INFO] [stderr]    |
[INFO] [stderr] 29 |             head: Atomic::null(),
[INFO] [stderr]    |                   ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> examples/treiber_stack.rs:35:21
[INFO] [stderr]    |
[INFO] [stderr] 35 |         let mut n = Owned::new(Node {
[INFO] [stderr]    |                     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> examples/treiber_stack.rs:37:19
[INFO] [stderr]    |
[INFO] [stderr] 37 |             next: Atomic::null(),
[INFO] [stderr]    |                   ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> examples/treiber_stack.rs:40:21
[INFO] [stderr]    |
[INFO] [stderr] 40 |         let guard = epoch::pin();
[INFO] [stderr]    |                     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> examples/treiber_stack.rs:57:21
[INFO] [stderr]    |
[INFO] [stderr] 57 |         let guard = epoch::pin();
[INFO] [stderr]    |                     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> examples/treiber_stack.rs:83:21
[INFO] [stderr]    |
[INFO] [stderr] 83 |         let guard = epoch::pin();
[INFO] [stderr]    |                     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> examples/treiber_stack.rs:43:34
[INFO] [stderr]    |
[INFO] [stderr] 43 |             let head = self.head.load(Relaxed, &guard);
[INFO] [stderr]    |                                  ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> examples/treiber_stack.rs:44:20
[INFO] [stderr]    |
[INFO] [stderr] 44 |             n.next.store(head, Relaxed);
[INFO] [stderr]    |                    ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> examples/treiber_stack.rs:46:29
[INFO] [stderr]    |
[INFO] [stderr] 46 |             match self.head.compare_and_set(head, n, Release, &guard) {
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> examples/treiber_stack.rs:48:31
[INFO] [stderr]    |
[INFO] [stderr] 48 |                 Err(e) => n = e.new,
[INFO] [stderr]    |                               ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> examples/treiber_stack.rs:59:34
[INFO] [stderr]    |
[INFO] [stderr] 59 |             let head = self.head.load(Acquire, &guard);
[INFO] [stderr]    |                                  ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> examples/treiber_stack.rs:61:33
[INFO] [stderr]    |
[INFO] [stderr] 61 |             match unsafe { head.as_ref() } {
[INFO] [stderr]    |                                 ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> examples/treiber_stack.rs:63:39
[INFO] [stderr]    |
[INFO] [stderr] 63 |                     let next = h.next.load(Relaxed, &guard);
[INFO] [stderr]    |                                       ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> examples/treiber_stack.rs:67:26
[INFO] [stderr]    |
[INFO] [stderr] 67 |                         .compare_and_set(head, next, Release, &guard)
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `defer_destroy` found for type `epoch::Guard` in the current scope
[INFO] [stderr]   --> examples/treiber_stack.rs:71:35
[INFO] [stderr]    |
[INFO] [stderr] 71 |                             guard.defer_destroy(head);
[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]   --> examples/treiber_stack.rs:84:19
[INFO] [stderr]    |
[INFO] [stderr] 84 |         self.head.load(Acquire, &guard).is_null()
[INFO] [stderr]    |                   ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> examples/treiber_stack.rs:84:41
[INFO] [stderr]    |
[INFO] [stderr] 84 |         self.head.load(Acquire, &guard).is_null()
[INFO] [stderr]    |                                         ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 22 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0599, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0599`.
[INFO] [stderr] error: Could not compile `ccl-crossbeam-epoch`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0432]: unresolved import `epoch::LocalHandle`
[INFO] [stderr]   --> examples/sanitize.rs:10:32
[INFO] [stderr]    |
[INFO] [stderr] 10 | use epoch::{Atomic, Collector, LocalHandle, Owned, Shared};
[INFO] [stderr]    |                                ^^^^^^^^^^^ no `LocalHandle` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> examples/sanitize.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate crossbeam_epoch as epoch;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> examples/sanitize.rs:10:13
[INFO] [stderr]    |
[INFO] [stderr] 10 | use epoch::{Atomic, Collector, LocalHandle, Owned, Shared};
[INFO] [stderr]    |             ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> examples/sanitize.rs:10:21
[INFO] [stderr]    |
[INFO] [stderr] 10 | use epoch::{Atomic, Collector, LocalHandle, Owned, Shared};
[INFO] [stderr]    |                     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> examples/sanitize.rs:10:45
[INFO] [stderr]    |
[INFO] [stderr] 10 | use epoch::{Atomic, Collector, LocalHandle, Owned, Shared};
[INFO] [stderr]    |                                             ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> examples/sanitize.rs:10:52
[INFO] [stderr]    |
[INFO] [stderr] 10 | use epoch::{Atomic, Collector, LocalHandle, Owned, Shared};
[INFO] [stderr]    |                                                    ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> examples/sanitize.rs:13:18
[INFO] [stderr]    |
[INFO] [stderr] 13 | fn worker(a: Arc<Atomic<AtomicUsize>>, handle: LocalHandle) -> usize {
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> examples/sanitize.rs:29:32
[INFO] [stderr]    |
[INFO] [stderr] 29 |                 let p = a.swap(Owned::new(AtomicUsize::new(sum)), AcqRel, guard);
[INFO] [stderr]    |                                ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> examples/sanitize.rs:49:25
[INFO] [stderr]    |
[INFO] [stderr] 49 |         let collector = Collector::new();
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> examples/sanitize.rs:50:26
[INFO] [stderr]    |
[INFO] [stderr] 50 |         let a = Arc::new(Atomic::new(AtomicUsize::new(777)));
[INFO] [stderr]    |                          ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> examples/sanitize.rs:65:20
[INFO] [stderr]    |
[INFO] [stderr] 65 |             a.swap(Shared::null(), AcqRel, epoch::unprotected())
[INFO] [stderr]    |                    ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> examples/sanitize.rs:65:44
[INFO] [stderr]    |
[INFO] [stderr] 65 |             a.swap(Shared::null(), AcqRel, epoch::unprotected())
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> examples/sanitize.rs:29:27
[INFO] [stderr]    |
[INFO] [stderr] 29 |                 let p = a.swap(Owned::new(AtomicUsize::new(sum)), AcqRel, guard);
[INFO] [stderr]    |                           ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> examples/sanitize.rs:33:23
[INFO] [stderr]    |
[INFO] [stderr] 33 |                     p.deref().load(Relaxed)
[INFO] [stderr]    |                       ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> examples/sanitize.rs:36:27
[INFO] [stderr]    |
[INFO] [stderr] 36 |                 let p = a.load(Acquire, guard);
[INFO] [stderr]    |                           ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> examples/sanitize.rs:37:28
[INFO] [stderr]    |
[INFO] [stderr] 37 |                 unsafe { p.deref().fetch_add(sum, Relaxed) }
[INFO] [stderr]    |                            ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `register` found for type `epoch::Collector` in the current scope
[INFO] [stderr]   --> examples/sanitize.rs:56:51
[INFO] [stderr]    |
[INFO] [stderr] 56 |                 thread::spawn(move || worker(a, c.register()))
[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]   --> examples/sanitize.rs:65:15
[INFO] [stderr]    |
[INFO] [stderr] 65 |             a.swap(Shared::null(), AcqRel, epoch::unprotected())
[INFO] [stderr]    |               ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> examples/sanitize.rs:66:18
[INFO] [stderr]    |
[INFO] [stderr] 66 |                 .into_owned();
[INFO] [stderr]    |                  ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 19 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0599, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `ccl-crossbeam-epoch`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "ac37dd4af7a4dc312a0c0901284b1edc132d53cb4f2152d1cfb539520172e5a7"`
[INFO] running `"docker" "rm" "-f" "ac37dd4af7a4dc312a0c0901284b1edc132d53cb4f2152d1cfb539520172e5a7"`
[INFO] [stdout] ac37dd4af7a4dc312a0c0901284b1edc132d53cb4f2152d1cfb539520172e5a7