[INFO] crate grow 0.0.0 is already in cache
[INFO] testing grow-0.0.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate grow 0.0.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate grow 0.0.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate grow 0.0.0
[INFO] finished tweaking crates.io crate grow 0.0.0
[INFO] tweaked toml for crates.io crate grow 0.0.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 446ac5231004d2fa26aec2fed104584bca6020eb8bfb2d910b79a2505ac11466
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "446ac5231004d2fa26aec2fed104584bca6020eb8bfb2d910b79a2505ac11466", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "446ac5231004d2fa26aec2fed104584bca6020eb8bfb2d910b79a2505ac11466", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "446ac5231004d2fa26aec2fed104584bca6020eb8bfb2d910b79a2505ac11466", kill_on_drop: false }`
[INFO] [stdout] 446ac5231004d2fa26aec2fed104584bca6020eb8bfb2d910b79a2505ac11466
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b9eda61fa8bea4ce514e465ec316839a436ac5a7b09e89946feeee45af4b0b18
[INFO] running `Command { std: "docker" "start" "-a" "b9eda61fa8bea4ce514e465ec316839a436ac5a7b09e89946feeee45af4b0b18", kill_on_drop: false }`
[INFO] [stderr]    Compiling grow v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(unsafe_no_drop_flag, filling_drop)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `alloc::heap`
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use alloc::heap;
[INFO] [stdout]   |     ^^^^^^^^^^^ no `heap` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `unsafe_no_drop_flag` in this scope
[INFO] [stdout]   --> src/lib.rs:11:3
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[unsafe_no_drop_flag]
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `oom` in `alloc`
[INFO] [stdout]    --> src/lib.rs:103:28
[INFO] [stdout]     |
[INFO] [stdout] 103 |                     alloc::oom::oom()
[INFO] [stdout]     |                            ^^^ could not find `oom` in `alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `POST_DROP_USIZE` in module `mem`
[INFO] [stdout]    --> src/lib.rs:137:57
[INFO] [stdout]     |
[INFO] [stdout] 137 |         if self._capacity > 0 && self._capacity != mem::POST_DROP_USIZE {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^ not found in `mem`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(alloc, heap_api, coerce_unsized, unsize, unique, oom)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(unsafe_no_drop_flag, filling_drop)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 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] [stdout]  --> src/lib.rs:5:22
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::ptr::{self, Unique};
[INFO] [stdout]   |                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 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] [stdout]   --> src/lib.rs:13:11
[INFO] [stdout]    |
[INFO] [stdout] 13 |     _ptr: Unique<T>,
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 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] [stdout]   --> src/lib.rs:63:23
[INFO] [stdout]    |
[INFO] [stdout] 63 |                 _ptr: Unique::new(ptr),
[INFO] [stdout]    |                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 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] [stdout]   --> src/lib.rs:80:23
[INFO] [stdout]    |
[INFO] [stdout] 80 |                 _ptr: Unique::new(ptr),
[INFO] [stdout]    |                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 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] [stdout]    --> src/lib.rs:105:29
[INFO] [stdout]     |
[INFO] [stdout] 105 |                 self._ptr = Unique::new(ptr);
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 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] [stdout]    --> src/lib.rs:123:43
[INFO] [stdout]     |
[INFO] [stdout] 123 |             let s = mem::transmute::<&mut Unique<T>, &mut *mut T>(&mut self._ptr);
[INFO] [stdout]     |                                           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stdout]   --> src/lib.rs:63:23
[INFO] [stdout]    |
[INFO] [stdout] 63 |                 _ptr: Unique::new(ptr),
[INFO] [stdout]    |                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:63:23
[INFO] [stdout]    |
[INFO] [stdout] 63 |                 _ptr: Unique::new(ptr),
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^ expected struct `std::ptr::Unique`, found enum `std::option::Option`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `std::ptr::Unique<T>`
[INFO] [stdout]                 found enum `std::option::Option<std::ptr::Unique<_>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stdout]   --> src/lib.rs:80:23
[INFO] [stdout]    |
[INFO] [stdout] 80 |                 _ptr: Unique::new(ptr),
[INFO] [stdout]    |                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:80:23
[INFO] [stdout]    |
[INFO] [stdout] 80 |                 _ptr: Unique::new(ptr),
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^ expected struct `std::ptr::Unique`, found enum `std::option::Option`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `std::ptr::Unique<T>`
[INFO] [stdout]                 found enum `std::option::Option<std::ptr::Unique<_>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `get_mut` found for struct `std::ptr::Unique<T>` in the current scope
[INFO] [stdout]    --> src/lib.rs:101:58
[INFO] [stdout]     |
[INFO] [stdout] 101 |                 let mut ptr = alloc_or_realloc(self._ptr.get_mut(), size, self._capacity);
[INFO] [stdout]     |                                                          ^^^^^^^ method not found in `std::ptr::Unique<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stdout]    --> src/lib.rs:105:29
[INFO] [stdout]     |
[INFO] [stdout] 105 |                 self._ptr = Unique::new(ptr);
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:105:29
[INFO] [stdout]     |
[INFO] [stdout] 105 |                 self._ptr = Unique::new(ptr);
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^ expected struct `std::ptr::Unique`, found enum `std::option::Option`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `std::ptr::Unique<T>`
[INFO] [stdout]                  found enum `std::option::Option<std::ptr::Unique<_>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0614]: type `std::ptr::Unique<T>` cannot be dereferenced
[INFO] [stdout]    --> src/lib.rs:120:31
[INFO] [stdout]     |
[INFO] [stdout] 120 |         let selfptr: *mut T = *self._ptr;
[INFO] [stdout]     |                               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0614]: type `std::ptr::Unique<T>` cannot be dereferenced
[INFO] [stdout]    --> src/lib.rs:139:49
[INFO] [stdout]     |
[INFO] [stdout] 139 |                 let align = mem::align_of_val(&**self._ptr);
[INFO] [stdout]     |                                                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0614]: type `std::ptr::Unique<T>` cannot be dereferenced
[INFO] [stdout]    --> src/lib.rs:140:36
[INFO] [stdout]     |
[INFO] [stdout] 140 |                 ptr::drop_in_place(*self._ptr);
[INFO] [stdout]     |                                    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0614]: type `std::ptr::Unique<T>` cannot be dereferenced
[INFO] [stdout]    --> src/lib.rs:141:34
[INFO] [stdout]     |
[INFO] [stdout] 141 |                 heap::deallocate(*self._ptr as *mut u8, self._capacity, align);
[INFO] [stdout]     |                                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `get` found for struct `std::ptr::Unique<T>` in the current scope
[INFO] [stdout]    --> src/lib.rs:154:23
[INFO] [stdout]     |
[INFO] [stdout] 154 |             self._ptr.get()
[INFO] [stdout]     |                       ^^^ method not found in `std::ptr::Unique<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `get_mut` found for struct `std::ptr::Unique<T>` in the current scope
[INFO] [stdout]    --> src/lib.rs:162:23
[INFO] [stdout]     |
[INFO] [stdout] 162 |             self._ptr.get_mut()
[INFO] [stdout]     |                       ^^^^^^^ method not found in `std::ptr::Unique<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 26 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0425, E0432, E0433, E0554, E0557, E0599, E0614, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `grow`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "b9eda61fa8bea4ce514e465ec316839a436ac5a7b09e89946feeee45af4b0b18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9eda61fa8bea4ce514e465ec316839a436ac5a7b09e89946feeee45af4b0b18", kill_on_drop: false }`
[INFO] [stdout] b9eda61fa8bea4ce514e465ec316839a436ac5a7b09e89946feeee45af4b0b18