Dec 19 12:05:21.459 INFO checking nahidaislam/Operatingsystem-ID1206 against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 12:05:21.478 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/nahidaislam/Operatingsystem-ID1206:/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=forbid" "-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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 12:05:21.752 INFO [stdout] 4f52f18347a939c4d7468668ecae33ac9005190ccae9d5eceaf4f0088c4aeb98
Dec 19 12:05:21.754 INFO running `"docker" "start" "-a" "4f52f18347a939c4d7468668ecae33ac9005190ccae9d5eceaf4f0088c4aeb98"`
Dec 19 12:05:22.310 INFO [stderr]     Checking spin v0.4.5
Dec 19 12:05:22.310 INFO [stderr]     Checking bit_field v0.7.0
Dec 19 12:05:22.310 INFO [stderr]     Checking bitflags v0.4.0
Dec 19 12:05:22.310 INFO [stderr]     Checking once v0.3.3
Dec 19 12:05:22.310 INFO [stderr]     Checking volatile v0.1.0
Dec 19 12:05:22.310 INFO [stderr]     Checking rlibc v1.0.0
Dec 19 12:05:22.444 INFO [stderr]     Checking multiboot2 v0.1.0
Dec 19 12:05:22.707 INFO [stderr]     Checking linked_list_allocator v0.4.2
Dec 19 12:05:22.776 INFO [stderr]     Checking x86_64 v0.1.2
Dec 19 12:05:22.824 INFO [stderr] error[E0432]: unresolved import `alloc::allocator`
Dec 19 12:05:22.824 INFO [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/linked_list_allocator-0.4.2/src/lib.rs:17:12
Dec 19 12:05:22.824 INFO [stderr]    |
Dec 19 12:05:22.824 INFO [stderr] 17 | use alloc::allocator::{Alloc, Layout, AllocErr};
Dec 19 12:05:22.824 INFO [stderr]    |            ^^^^^^^^^ could not find `allocator` in `alloc`
Dec 19 12:05:22.824 INFO [stderr] 
Dec 19 12:05:22.824 INFO [stderr] error[E0432]: unresolved import `alloc::allocator`
Dec 19 12:05:22.824 INFO [stderr]  --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/linked_list_allocator-0.4.2/src/hole.rs:3:12
Dec 19 12:05:22.824 INFO [stderr]   |
Dec 19 12:05:22.824 INFO [stderr] 3 | use alloc::allocator::{Layout, AllocErr};
Dec 19 12:05:22.824 INFO [stderr]   |            ^^^^^^^^^ could not find `allocator` in `alloc`
Dec 19 12:05:22.824 INFO [stderr] 
Dec 19 12:05:22.824 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
Dec 19 12:05:22.824 INFO [stderr]  --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/linked_list_allocator-0.4.2/src/hole.rs:1:5
Dec 19 12:05:22.824 INFO [stderr]   |
Dec 19 12:05:22.824 INFO [stderr] 1 | use core::ptr::Unique;
Dec 19 12:05:22.824 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 19 12:05:22.824 INFO [stderr]   |
Dec 19 12:05:22.824 INFO [stderr]   = help: add #![feature(ptr_internals)] to the crate attributes to enable
Dec 19 12:05:22.824 INFO [stderr] 
Dec 19 12:05:22.824 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
Dec 19 12:05:22.824 INFO [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/linked_list_allocator-0.4.2/src/hole.rs:94:18
Dec 19 12:05:22.824 INFO [stderr]    |
Dec 19 12:05:22.824 INFO [stderr] 94 |     next: Option<Unique<Hole>>,
Dec 19 12:05:22.824 INFO [stderr]    |                  ^^^^^^^^^^^^
Dec 19 12:05:22.824 INFO [stderr]    |
Dec 19 12:05:22.824 INFO [stderr]    = help: add #![feature(ptr_internals)] to the crate attributes to enable
Dec 19 12:05:22.824 INFO [stderr] 
Dec 19 12:05:22.824 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
Dec 19 12:05:22.824 INFO [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/linked_list_allocator-0.4.2/src/hole.rs:304:43
Dec 19 12:05:22.824 INFO [stderr]     |
Dec 19 12:05:22.824 INFO [stderr] 304 |                 hole.next = Some(unsafe { Unique::new_unchecked(ptr) });
Dec 19 12:05:22.824 INFO [stderr]     |                                           ^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:05:22.824 INFO [stderr]     |
Dec 19 12:05:22.824 INFO [stderr]     = help: add #![feature(ptr_internals)] to the crate attributes to enable
Dec 19 12:05:22.824 INFO [stderr] 
Dec 19 12:05:22.824 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
Dec 19 12:05:22.824 INFO [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/linked_list_allocator-0.4.2/src/hole.rs:41:28
Dec 19 12:05:22.824 INFO [stderr]    |
Dec 19 12:05:22.824 INFO [stderr] 41 |                 next: Some(Unique::new_unchecked(ptr)),
Dec 19 12:05:22.824 INFO [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:05:22.825 INFO [stderr]    |
Dec 19 12:05:22.825 INFO [stderr]    = help: add #![feature(ptr_internals)] to the crate attributes to enable
Dec 19 12:05:22.825 INFO [stderr] 
Dec 19 12:05:22.825 INFO [stderr] error: aborting due to 6 previous errors
Dec 19 12:05:22.825 INFO [stderr] 
Dec 19 12:05:22.825 INFO [stderr] Some errors occurred: E0432, E0658.
Dec 19 12:05:22.825 INFO [stderr] For more information about an error, try `rustc --explain E0432`.
Dec 19 12:05:22.825 INFO [stderr] error: Could not compile `linked_list_allocator`.
Dec 19 12:05:22.825 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 19 12:05:23.568 INFO [stderr] error: build failed
Dec 19 12:05:23.853 INFO running `"docker" "inspect" "4f52f18347a939c4d7468668ecae33ac9005190ccae9d5eceaf4f0088c4aeb98"`
Dec 19 12:05:23.935 INFO running `"docker" "rm" "-f" "4f52f18347a939c4d7468668ecae33ac9005190ccae9d5eceaf4f0088c4aeb98"`
Dec 19 12:05:24.062 INFO [stdout] 4f52f18347a939c4d7468668ecae33ac9005190ccae9d5eceaf4f0088c4aeb98