[INFO] crate copying_gc 0.1.0 is already in cache
[INFO] testing copying_gc-0.1.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate copying_gc 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate copying_gc 0.1.0 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 copying_gc 0.1.0
[INFO] finished tweaking crates.io crate copying_gc 0.1.0
[INFO] tweaked toml for crates.io crate copying_gc 0.1.0 written to /workspace/builds/worker-2/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] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 3130b6e6e6099ec86a289bc440a77456a1536689d8bba801c9a47b8f65b846af
[INFO] running `"docker" "start" "-a" "3130b6e6e6099ec86a289bc440a77456a1536689d8bba801c9a47b8f65b846af"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling copying_gc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `alloc::heap`
[INFO] [stderr]  --> src/bitmap.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use alloc::heap;
[INFO] [stderr]   |     ^^^^^^^^^^^ no `heap` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `alloc::heap`
[INFO] [stderr]  --> src/space.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use alloc::heap as alloc_heap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^ no `heap` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(alloc, heap_api)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/space.rs:65:39
[INFO] [stderr]    |
[INFO] [stderr] 65 |     pub fn realloc(&mut self, p: &mut RootedTrait) {
[INFO] [stderr]    |                                       ^^^^^^^^^^^ help: use `dyn`: `dyn RootedTrait`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/space.rs:77:34
[INFO] [stderr]    |
[INFO] [stderr] 77 |     pub fn marked(&mut self, p: &HeapTrait) -> bool {
[INFO] [stderr]    |                                  ^^^^^^^^^ help: use `dyn`: `dyn HeapTrait`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/space.rs:85:41
[INFO] [stderr]    |
[INFO] [stderr] 85 |     pub fn forward(&mut self, ptr: &mut HeapTrait) {
[INFO] [stderr]    |                                         ^^^^^^^^^ help: use `dyn`: `dyn HeapTrait`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/space.rs:89:59
[INFO] [stderr]    |
[INFO] [stderr] 89 |                 let forwarded = *(ptr.raw_inner() as *mut (*mut u8));
[INFO] [stderr]    |                                                           ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/runtime.rs:11:24
[INFO] [stderr]    |
[INFO] [stderr] 11 |     allocated: Vec<Box<RootedTrait>>,
[INFO] [stderr]    |                        ^^^^^^^^^^^ help: use `dyn`: `dyn RootedTrait`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/runtime.rs:43:40
[INFO] [stderr]    |
[INFO] [stderr] 43 |         let mut new_allocated: Vec<Box<RootedTrait>> = vec![];
[INFO] [stderr]    |                                        ^^^^^^^^^^^ help: use `dyn`: `dyn RootedTrait`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/trace.rs:18:41
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn subfields(&mut self) -> Vec<&mut HeapTrait>;
[INFO] [stderr]    |                                         ^^^^^^^^^ help: use `dyn`: `dyn HeapTrait`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/trace.rs:24:84
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn trace_with<'a, Tracer>(&'a mut self, _: Tracer) where Tracer: FnMut(&'a mut HeapTrait) { }
[INFO] [stderr]    |                                                                                    ^^^^^^^^^ help: use `dyn`: `dyn HeapTrait`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/trace.rs:28:81
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn trace_with<'a, Tracer>(&'a mut self, Tracer) where Tracer: FnMut(&'a mut HeapTrait);
[INFO] [stderr]    |                                                                                 ^^^^^^^^^ help: use `dyn`: `dyn HeapTrait`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/trace.rs:45:41
[INFO] [stderr]    |
[INFO] [stderr] 45 |     fn subfields(&mut self) -> Vec<&mut HeapTrait> {
[INFO] [stderr]    |                                         ^^^^^^^^^ help: use `dyn`: `dyn HeapTrait`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ptr.rs:14:37
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn space_ptr(&mut self) -> &mut SpacePtrTrait;
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^ help: use `dyn`: `dyn SpacePtrTrait`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ptr.rs:77:37
[INFO] [stderr]    |
[INFO] [stderr] 77 |     fn space_ptr(&mut self) -> &mut SpacePtrTrait {
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^ help: use `dyn`: `dyn SpacePtrTrait`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/ptr.rs:85:46
[INFO] [stderr]    |
[INFO] [stderr] 85 |             *(self.space_ptr.inner() as *mut (*mut T)) = space_ptr.inner();
[INFO] [stderr]    |                                              ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ptr.rs:95:42
[INFO] [stderr]    |
[INFO] [stderr] 95 |     fn subfields(&mut self)  -> Vec<&mut HeapTrait> {
[INFO] [stderr]    |                                          ^^^^^^^^^ help: use `dyn`: `dyn HeapTrait`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ptr.rs:111:30
[INFO] [stderr]     |
[INFO] [stderr] 111 |     fn inner(&self) -> *mut (Trace + 'static) { self.0.inner() }
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Trace + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ptr.rs:121:42
[INFO] [stderr]     |
[INFO] [stderr] 121 |     fn subfields(&mut self)  -> Vec<&mut HeapTrait> {
[INFO] [stderr]     |                                          ^^^^^^^^^ help: use `dyn`: `dyn HeapTrait`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/space_ptr.rs:6:30
[INFO] [stderr]   |
[INFO] [stderr] 6 |     fn inner(&self) -> *mut (Trace + 'static);
[INFO] [stderr]   |                              ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Trace + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/space_ptr.rs:39:42
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn subfields(&mut self)  -> Vec<&mut HeapTrait> {
[INFO] [stderr]    |                                          ^^^^^^^^^ help: use `dyn`: `dyn HeapTrait`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/space_ptr.rs:45:30
[INFO] [stderr]    |
[INFO] [stderr] 45 |     fn inner(&self) -> *mut (Trace + 'static) {
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Trace + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/space_ptr.rs:46:29
[INFO] [stderr]    |
[INFO] [stderr] 46 |         self.inner as *mut (Trace + 'static)
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Trace + 'static`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors; 20 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0554.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `copying_gc`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "3130b6e6e6099ec86a289bc440a77456a1536689d8bba801c9a47b8f65b846af"`
[INFO] running `"docker" "rm" "-f" "3130b6e6e6099ec86a289bc440a77456a1536689d8bba801c9a47b8f65b846af"`
[INFO] [stdout] 3130b6e6e6099ec86a289bc440a77456a1536689d8bba801c9a47b8f65b846af