[INFO] cloning repository https://github.com/Rust-Mikrocontroller-Praktikum-2017/rustlesnake
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Rust-Mikrocontroller-Praktikum-2017/rustlesnake" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRust-Mikrocontroller-Praktikum-2017%2Frustlesnake", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRust-Mikrocontroller-Praktikum-2017%2Frustlesnake'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 941ce0072db443625a7e4cf8bc0091b77cff762a
[INFO] testing Rust-Mikrocontroller-Praktikum-2017/rustlesnake 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%2FRust-Mikrocontroller-Praktikum-2017%2Frustlesnake" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Rust-Mikrocontroller-Praktikum-2017/rustlesnake 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] removed /workspace/builds/worker-4/source/.cargo/config
[INFO] started tweaking git repo https://github.com/Rust-Mikrocontroller-Praktikum-2017/rustlesnake
[INFO] finished tweaking git repo https://github.com/Rust-Mikrocontroller-Praktikum-2017/rustlesnake
[INFO] tweaked toml for git repo https://github.com/Rust-Mikrocontroller-Praktikum-2017/rustlesnake written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Rust-Mikrocontroller-Praktikum-2017/rustlesnake 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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] 4130f5d3d819927f55dfd5a25a2b85fde3af4d9993be6c52d8e7c5b1f03ab80c
[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" "4130f5d3d819927f55dfd5a25a2b85fde3af4d9993be6c52d8e7c5b1f03ab80c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4130f5d3d819927f55dfd5a25a2b85fde3af4d9993be6c52d8e7c5b1f03ab80c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4130f5d3d819927f55dfd5a25a2b85fde3af4d9993be6c52d8e7c5b1f03ab80c", kill_on_drop: false }`
[INFO] [stdout] 4130f5d3d819927f55dfd5a25a2b85fde3af4d9993be6c52d8e7c5b1f03ab80c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] efed03eea21865fb8ce2b179882c1f7014477517a331bc5ecf8fe512470cc42b
[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" "efed03eea21865fb8ce2b179882c1f7014477517a331bc5ecf8fe512470cc42b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rlibc v1.0.0
[INFO] [stderr]    Compiling bit_field v0.4.0
[INFO] [stderr]    Compiling linked_list_allocator v0.2.5
[INFO] [stderr]    Compiling byteorder v1.0.0
[INFO] [stderr]    Compiling once v0.3.2
[INFO] [stderr]    Compiling spin v0.4.5
[INFO] [stderr]    Compiling nodrop v0.1.9
[INFO] [stderr]    Compiling cortex-m v0.1.6
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-0.1.6/src/lib.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | #![feature(const_fn)]
[INFO] [stdout]    |            ^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling compiler-builtins-snapshot v0.0.20161008+c56faf22abb39724008148d58f12bcd43b6d236b
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.5/src/lib.rs:8:43
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![cfg_attr(feature = "const_fn", feature(const_fn))]
[INFO] [stdout]   |                                           ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-0.1.6/src/asm.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |         asm!("nop" :::: "volatile");
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider importing this macro:
[INFO] [stdout]            core::arch::asm
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-0.1.6/src/lib.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | #![feature(asm)]
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/linked_list_allocator-0.2.5/src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(const_fn)]
[INFO] [stdout]   |            ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.5/src/util.rs:8:14
[INFO] [stdout]   |
[INFO] [stdout] 8 |     unsafe { asm!("pause" :::: "volatile"); }
[INFO] [stdout]   |              ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider importing this macro:
[INFO] [stdout]           core::arch::asm
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cortex-m` due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.5/src/lib.rs:6:38
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![cfg_attr(feature = "asm", feature(asm))]
[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]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/linked_list_allocator-0.2.5/src/hole.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::ptr::Unique;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.5/src/lib.rs:7:50
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![cfg_attr(feature = "core_intrinsics", feature(core_intrinsics))]
[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]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/linked_list_allocator-0.2.5/src/hole.rs:88:18
[INFO] [stdout]    |
[INFO] [stdout] 88 |     next: Option<Unique<Hole>>,
[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]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/linked_list_allocator-0.2.5/src/hole.rs:284:43
[INFO] [stdout]     |
[INFO] [stdout] 284 |                 hole.next = Some(unsafe { 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]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/linked_list_allocator-0.2.5/src/hole.rs:38:28
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 next: Some(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]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/linked_list_allocator-0.2.5/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(unique)]
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `unique`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/linked_list_allocator-0.2.5/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(unique)]
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/linked_list_allocator-0.2.5/src/hole.rs:38:28
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 next: Some(Unique::new(ptr)),
[INFO] [stdout]    |                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bit_field-0.4.0/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_fn)]
[INFO] [stdout]   |            ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `spin` due to 5 previous errors
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bit_field` due to 2 previous errors
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/linked_list_allocator-0.2.5/src/hole.rs:38:28
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 next: Some(Unique::new(ptr)),
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^ expected struct `Unique`, found enum `Option`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `Unique<_>`
[INFO] [stdout]                 found enum `Option<Unique<_>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `get_mut` found for mutable reference `&mut Unique<Hole>` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/linked_list_allocator-0.2.5/src/hole.rs:108:46
[INFO] [stdout]     |
[INFO] [stdout] 108 |         unsafe { self.next.as_mut().unwrap().get_mut() }
[INFO] [stdout]     |                                              ^^^^^^^ method not found in `&mut Unique<Hole>`
[INFO] [stdout]     |
[INFO] [stdout] help: consider wrapping the receiver expression with the appropriate type
[INFO] [stdout]     |
[INFO] [stdout] 108 |         unsafe { Pin::new(self.next.as_mut().unwrap()).get_mut() }
[INFO] [stdout]     |                  +++++++++                           +
[INFO] [stdout] help: consider wrapping the receiver expression with the appropriate type
[INFO] [stdout]     |
[INFO] [stdout] 108 |         unsafe { Pin::new(&mut self.next.as_mut().unwrap()).get_mut() }
[INFO] [stdout]     |                  +++++++++++++                            +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `get` found for mutable reference `&mut Unique<Hole>` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/linked_list_allocator-0.2.5/src/hole.rs:191:61
[INFO] [stdout]     |
[INFO] [stdout] 191 |             .and_then(|current| split_hole(unsafe { current.get() }.info(), size, align));
[INFO] [stdout]     |                                                             ^^^ method not found in `&mut Unique<Hole>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `get` found for reference `&Unique<Hole>` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/linked_list_allocator-0.2.5/src/hole.rs:232:74
[INFO] [stdout]     |
[INFO] [stdout] 232 |         let next_hole_info = hole.next.as_ref().map(|next| unsafe { next.get().info() });
[INFO] [stdout]     |                                                                          ^^^ method not found in `&Unique<Hole>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/linked_list_allocator-0.2.5/src/hole.rs:284:43
[INFO] [stdout]     |
[INFO] [stdout] 284 |                 hole.next = Some(unsafe { Unique::new(ptr) });
[INFO] [stdout]     |                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/linked_list_allocator-0.2.5/src/hole.rs:284:43
[INFO] [stdout]     |
[INFO] [stdout] 284 |                 hole.next = Some(unsafe { Unique::new(ptr) });
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^ expected struct `Unique`, found enum `Option`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `Unique<_>`
[INFO] [stdout]                  found enum `Option<Unique<_>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 14 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0554, E0557, E0599, E0635, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `linked_list_allocator` due to 15 previous errors
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/compiler-builtins-snapshot-0.0.20161008+c56faf22abb39724008148d58f12bcd43b6d236b/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(asm)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/compiler-builtins-snapshot-0.0.20161008+c56faf22abb39724008148d58f12bcd43b6d236b/src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(core_intrinsics)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/compiler-builtins-snapshot-0.0.20161008+c56faf22abb39724008148d58f12bcd43b6d236b/src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(linkage)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/compiler-builtins-snapshot-0.0.20161008+c56faf22abb39724008148d58f12bcd43b6d236b/src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(naked_functions)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/compiler-builtins-snapshot-0.0.20161008+c56faf22abb39724008148d58f12bcd43b6d236b/src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(asm)]
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/compiler-builtins-snapshot-0.0.20161008+c56faf22abb39724008148d58f12bcd43b6d236b/src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(core_intrinsics)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `compiler-builtins-snapshot` due to 7 previous errors
[INFO] running `Command { std: "docker" "inspect" "efed03eea21865fb8ce2b179882c1f7014477517a331bc5ecf8fe512470cc42b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efed03eea21865fb8ce2b179882c1f7014477517a331bc5ecf8fe512470cc42b", kill_on_drop: false }`
[INFO] [stdout] efed03eea21865fb8ce2b179882c1f7014477517a331bc5ecf8fe512470cc42b