[INFO] cloning repository https://github.com/nathdobson/allocator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nathdobson/allocator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnathdobson%2Fallocator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnathdobson%2Fallocator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8331a8bd3010a7bb03e6b3481345f4a0439fd5f7
[INFO] testing nathdobson/allocator against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnathdobson%2Fallocator" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nathdobson/allocator on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nathdobson/allocator
[INFO] finished tweaking git repo https://github.com/nathdobson/allocator
[INFO] tweaked toml for git repo https://github.com/nathdobson/allocator written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/nathdobson/allocator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", 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] f8234e0f5b69f900c0b57f37ed4dcba33f37160b5f0eeb0848ff1afe91e3d196
[INFO] running `Command { std: "docker" "start" "-a" "f8234e0f5b69f900c0b57f37ed4dcba33f37160b5f0eeb0848ff1afe91e3d196", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8234e0f5b69f900c0b57f37ed4dcba33f37160b5f0eeb0848ff1afe91e3d196", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8234e0f5b69f900c0b57f37ed4dcba33f37160b5f0eeb0848ff1afe91e3d196", kill_on_drop: false }`
[INFO] [stdout] f8234e0f5b69f900c0b57f37ed4dcba33f37160b5f0eeb0848ff1afe91e3d196
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 60a70043353981b577032920f1e08e99c771d7dde0d92abad63c12a5ba783007
[INFO] running `Command { std: "docker" "start" "-a" "60a70043353981b577032920f1e08e99c771d7dde0d92abad63c12a5ba783007", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.12
[INFO] [stderr]    Compiling rand v0.3.14
[INFO] [stderr]    Compiling hello_world v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `collections`
[INFO] [stdout]  --> src/lib.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | extern crate collections;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `alloc::heap`
[INFO] [stdout]  --> src/heap_alloc.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use alloc::heap::{deallocate, allocate, reallocate, reallocate_inplace, usable_size};
[INFO] [stdout]   |            ^^^^ could not find `heap` in `alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `alloc::oom`
[INFO] [stdout]   --> src/alloc_raw_vec.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use alloc::oom;
[INFO] [stdout]    |     ^^^^^^^^^^ no `oom` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `alloc::heap`
[INFO] [stdout]   --> src/alloc_raw_vec.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use alloc::heap;
[INFO] [stdout]    |     ^^^^^^^^^^^ no `heap` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `alloc::heap`
[INFO] [stdout]   --> src/alloc_vec.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use alloc::heap;
[INFO] [stdout]    |     ^^^^^^^^^^^ no `heap` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `alloc::oom`
[INFO] [stdout]  --> src/alloc_raw_box.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use alloc::oom;
[INFO] [stdout]   |     ^^^^^^^^^^ no `oom` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `alloc::heap`
[INFO] [stdout]  --> src/alloc_raw_box.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use alloc::heap;
[INFO] [stdout]   |     ^^^^^^^^^^^ no `heap` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `One` in module `num`
[INFO] [stdout]   --> src/interval_map.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 |     : num::One + num::Zero + ops::Shl<usize, Output = Self> + Ord + Copy + ops::BitAnd<Self, Output = Self> +
[INFO] [stdout]    |            ^^^ not found in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Zero` in module `num`
[INFO] [stdout]   --> src/interval_map.rs:60:23
[INFO] [stdout]    |
[INFO] [stdout] 60 |     : num::One + num::Zero + ops::Shl<usize, Output = Self> + Ord + Copy + ops::BitAnd<Self, Output = Self> +
[INFO] [stdout]    |                       ^^^^ not found in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `RangeArgument` in this scope
[INFO] [stdout]    --> src/alloc_vec.rs:213:18
[INFO] [stdout]     |
[INFO] [stdout] 213 |         where R: RangeArgument<usize>
[INFO] [stdout]     |                  ^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/interval_map.rs:142:5
[INFO] [stdout]     |
[INFO] [stdout] 142 |     (T::one() << (8 * mem::size_of::<T>() - 1))
[INFO] [stdout]     |     ^                                         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 142 -     (T::one() << (8 * mem::size_of::<T>() - 1))
[INFO] [stdout] 142 +     T::one() << (8 * mem::size_of::<T>() - 1)
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/interval_map.rs:440:21
[INFO] [stdout]     |
[INFO] [stdout] 440 |                     try!(write!(f, "{:?} = {:?}, ", interval, value));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `same`
[INFO] [stdout]    --> src/interval_map.rs:528:14
[INFO] [stdout]     |
[INFO] [stdout] 528 | macro_rules! same {
[INFO] [stdout]     |              ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/alloc_box.rs:111:46
[INFO] [stdout]     |
[INFO] [stdout] 111 |             mem::replace(&mut self.ptr, mem::uninitialized() /* well then... */).delete(&mut self.alloc);
[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/alloc_raw_vec.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::ptr::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/alloc_raw_vec.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 |     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/alloc_raw_vec.rs:36:22
[INFO] [stdout]    |
[INFO] [stdout] 36 |                 ptr: Unique::new(heap::EMPTY as *mut 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/alloc_raw_vec.rs:44:18
[INFO] [stdout]    |
[INFO] [stdout] 44 |             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/alloc_raw_vec.rs:113:24
[INFO] [stdout]     |
[INFO] [stdout] 113 |             self.ptr = Unique::new(ptr as *mut _);
[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/alloc_raw_vec.rs:152:24
[INFO] [stdout]     |
[INFO] [stdout] 152 |             self.ptr = Unique::new(ptr as *mut _);
[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/alloc_raw_vec.rs:182:28
[INFO] [stdout]     |
[INFO] [stdout] 182 |                 self.ptr = Unique::new(ptr as *mut _);
[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/alloc_raw_box.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ptr::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/alloc_raw_box.rs:13:10
[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/alloc_raw_box.rs:31:22
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 ptr: Unique::new(ptr),
[INFO] [stdout]    |                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::intrinsics::drop_in_place`: no longer an intrinsic - use `ptr::drop_in_place` directly
[INFO] [stdout]   --> src/alloc_raw_box.rs:51:21
[INFO] [stdout]    |
[INFO] [stdout] 51 |         intrinsics::drop_in_place::<T>(*self.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/alloc_raw_box.rs:64:18
[INFO] [stdout]    |
[INFO] [stdout] 64 |             ptr: Unique::new(ptr),
[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:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(alloc, heap_api, unique, oom,zero_one,test,
[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:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(alloc, heap_api, unique, oom,zero_one,test,
[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:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(alloc, heap_api, unique, oom,zero_one,test,
[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:1:37
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(alloc, heap_api, unique, oom,zero_one,test,
[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:1:41
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(alloc, heap_api, unique, oom,zero_one,test,
[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:1:50
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(alloc, heap_api, unique, oom,zero_one,test,
[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 | coerce_unsized, unsize,collections, core_intrinsics,collections_range)]
[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:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | coerce_unsized, unsize,collections, core_intrinsics,collections_range)]
[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:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | coerce_unsized, unsize,collections, core_intrinsics,collections_range)]
[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:2:37
[INFO] [stdout]   |
[INFO] [stdout] 2 | coerce_unsized, unsize,collections, core_intrinsics,collections_range)]
[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:2:53
[INFO] [stdout]   |
[INFO] [stdout] 2 | coerce_unsized, unsize,collections, core_intrinsics,collections_range)]
[INFO] [stdout]   |                                                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `collections_range` has been stable since 1.28.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:53
[INFO] [stdout]   |
[INFO] [stdout] 2 | coerce_unsized, unsize,collections, core_intrinsics,collections_range)]
[INFO] [stdout]   |                                                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `alloc` has been stable since 1.36.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(alloc, heap_api, unique, oom,zero_one,test,
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `collections`
[INFO] [stdout]  --> src/lib.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | coerce_unsized, unsize,collections, core_intrinsics,collections_range)]
[INFO] [stdout]   |                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `heap_api`
[INFO] [stdout]  --> src/lib.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(alloc, heap_api, unique, oom,zero_one,test,
[INFO] [stdout]   |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `unique`
[INFO] [stdout]  --> src/lib.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(alloc, heap_api, unique, oom,zero_one,test,
[INFO] [stdout]   |                             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `oom`
[INFO] [stdout]  --> src/lib.rs:1:37
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(alloc, heap_api, unique, oom,zero_one,test,
[INFO] [stdout]   |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `zero_one`
[INFO] [stdout]  --> src/lib.rs:1:41
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(alloc, heap_api, unique, oom,zero_one,test,
[INFO] [stdout]   |                                         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 37 previous errors; 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0432, E0463, E0554, E0635, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hello_world` due to 38 previous errors; 7 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "60a70043353981b577032920f1e08e99c771d7dde0d92abad63c12a5ba783007", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60a70043353981b577032920f1e08e99c771d7dde0d92abad63c12a5ba783007", kill_on_drop: false }`
[INFO] [stdout] 60a70043353981b577032920f1e08e99c771d7dde0d92abad63c12a5ba783007