[INFO] updating cached repository https://github.com/mkaput/kernel
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 523f48fb81d117eb09dcd9e506ab1fbaf0c39686
[INFO] testing mkaput/kernel against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkaput%2Fkernel" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mkaput/kernel 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 git repo https://github.com/mkaput/kernel
[INFO] finished tweaking git repo https://github.com/mkaput/kernel
[INFO] tweaked toml for git repo https://github.com/mkaput/kernel written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/mkaput/kernel already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 1eb9e1dc9e5dd9951d2470beddfa9d245998959a5e035fdf23194c3863d76e10
[INFO] running `"docker" "start" "-a" "1eb9e1dc9e5dd9951d2470beddfa9d245998959a5e035fdf23194c3863d76e10"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling spin v0.4.6
[INFO] [stderr]    Compiling bit_field v0.7.0
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling volatile v0.2.3
[INFO] [stderr]    Compiling rlibc v1.0.0
[INFO] [stderr]    Compiling hashmap_core v0.1.1
[INFO] [stderr]    Compiling bit_field v0.9.0
[INFO] [stderr]    Compiling multiboot2 v0.3.2
[INFO] [stderr] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.6/src/util.rs:8:14
[INFO] [stderr]   |
[INFO] [stderr] 8 |     unsafe { asm!("pause" :::: "volatile"); }
[INFO] [stderr]   |              ----^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |              |
[INFO] [stderr]   |              help: replace with: `llvm_asm!`
[INFO] [stderr]   |
[INFO] [stderr]   = note: consider migrating to the new asm! syntax specified in RFC 2873
[INFO] [stderr]   = note: alternatively, switch to llvm_asm! to keep your code working as it is
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.6/src/lib.rs:6:30
[INFO] [stderr]   |
[INFO] [stderr] 6 | #![cfg_attr(feature = "asm", feature(asm))]
[INFO] [stderr]   |                              ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.6/src/lib.rs:7:42
[INFO] [stderr]   |
[INFO] [stderr] 7 | #![cfg_attr(feature = "core_intrinsics", feature(core_intrinsics))]
[INFO] [stderr]   |                                          ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.6/src/lib.rs:8:35
[INFO] [stderr]   |
[INFO] [stderr] 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
[INFO] [stderr]   |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `alloc::heap`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hashmap_core-0.1.1/src/table.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | use alloc::heap::{Alloc, Heap, Layout};
[INFO] [stderr]    |            ^^^^ could not find `heap` in `alloc`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `core::ptr::Shared`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hashmap_core-0.1.1/src/table.rs:19:23
[INFO] [stderr]    |
[INFO] [stderr] 19 | use core::ptr::{self, Shared, Unique};
[INFO] [stderr]    |                       ^^^^^^ no `Shared` in `ptr`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved imports `core::ops::InPlace`, `core::ops::Place`, `core::ops::Placer`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hashmap_core-0.1.1/src/map.rs:20:24
[INFO] [stderr]    |
[INFO] [stderr] 20 | use core::ops::{Deref, InPlace, Index, Place, Placer};
[INFO] [stderr]    |                        ^^^^^^^         ^^^^^  ^^^^^^ no `Placer` in `ops`
[INFO] [stderr]    |                        |               |
[INFO] [stderr]    |                        |               no `Place` in `ops`
[INFO] [stderr]    |                        no `InPlace` in `ops`
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hashmap_core-0.1.1/src/lib.rs:14:39
[INFO] [stderr]    |
[INFO] [stderr] 14 | #![cfg_attr(not(feature = "disable"), feature(alloc, dropck_eyepatch, generic_param_attrs, allocator_api, shared, unique,sip_hash_13, fused, placement_new_protocol))]
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `spin`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hashmap_core-0.1.1/src/table.rs:19:31
[INFO] [stderr]    |
[INFO] [stderr] 19 | use core::ptr::{self, Shared, Unique};
[INFO] [stderr]    |                               ^^^^^^
[INFO] [stderr] 
[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`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hashmap_core-0.1.1/src/table.rs:41:26
[INFO] [stderr]    |
[INFO] [stderr] 41 | struct TaggedHashUintPtr(Unique<HashUint>);
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[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`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hashmap_core-0.1.1/src/table.rs:47:27
[INFO] [stderr]    |
[INFO] [stderr] 47 |         TaggedHashUintPtr(Unique::new_unchecked(ptr))
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[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`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hashmap_core-0.1.1/src/table.rs:59:22
[INFO] [stderr]    |
[INFO] [stderr] 59 |             self.0 = Unique::new_unchecked(usize_ptr as *mut HashUint)
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 8 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0554, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "1eb9e1dc9e5dd9951d2470beddfa9d245998959a5e035fdf23194c3863d76e10"`
[INFO] running `"docker" "rm" "-f" "1eb9e1dc9e5dd9951d2470beddfa9d245998959a5e035fdf23194c3863d76e10"`
[INFO] [stdout] 1eb9e1dc9e5dd9951d2470beddfa9d245998959a5e035fdf23194c3863d76e10