[INFO] cloning repository https://github.com/embed-rs/stm32f7-discovery2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/embed-rs/stm32f7-discovery2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fembed-rs%2Fstm32f7-discovery2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fembed-rs%2Fstm32f7-discovery2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2d3892b8ba283c5abe99d05300f05e60091fe60e
[INFO] testing embed-rs/stm32f7-discovery2 against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fembed-rs%2Fstm32f7-discovery2" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/embed-rs/stm32f7-discovery2 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-13/source/.cargo/config
[INFO] started tweaking git repo https://github.com/embed-rs/stm32f7-discovery2
[INFO] finished tweaking git repo https://github.com/embed-rs/stm32f7-discovery2
[INFO] tweaked toml for git repo https://github.com/embed-rs/stm32f7-discovery2 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/embed-rs/stm32f7-discovery2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/embed-rs/embedded_stm32f7.git`
[INFO] [stderr]     Updating git repository `https://github.com/embed-rs/net.git`
[INFO] [stderr]     Updating git repository `https://github.com/embed-rs/embedded-rs.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arrayvec v0.3.23
[INFO] [stderr]   Downloaded linked_list_allocator v0.2.5
[INFO] [stderr]   Downloaded once v0.3.2
[INFO] [stderr]   Downloaded cortex-m v0.1.6
[INFO] [stderr]   Downloaded bit_field v0.4.0
[INFO] [stderr]   Downloaded bit_field v0.6.1
[INFO] [stderr]   Downloaded spin v0.4.5
[INFO] [stderr]   Downloaded r0 v0.1.0
[INFO] [stderr]   Downloaded alloc-cortex-m v0.2.2
[INFO] [stderr]   Downloaded nodrop v0.1.9
[INFO] [stderr]   Downloaded volatile v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47ea40102f03e8ed4107737bcd5d57c675bac69d31916ceddc7ec6d81e560b8f
[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" "47ea40102f03e8ed4107737bcd5d57c675bac69d31916ceddc7ec6d81e560b8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47ea40102f03e8ed4107737bcd5d57c675bac69d31916ceddc7ec6d81e560b8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47ea40102f03e8ed4107737bcd5d57c675bac69d31916ceddc7ec6d81e560b8f", kill_on_drop: false }`
[INFO] [stdout] 47ea40102f03e8ed4107737bcd5d57c675bac69d31916ceddc7ec6d81e560b8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f76c3778d37aa5c179d82ac565a0d00febc61bc36505e03f03bcb89dba420af
[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" "4f76c3778d37aa5c179d82ac565a0d00febc61bc36505e03f03bcb89dba420af", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling odds v0.2.25
[INFO] [stderr]    Compiling volatile-register v0.1.2
[INFO] [stderr]    Compiling volatile v0.2.3
[INFO] [stderr]    Compiling bit_field v0.4.0
[INFO] [stderr]    Compiling once v0.3.2
[INFO] [stderr]    Compiling bit_field v0.6.1
[INFO] [stderr]    Compiling byteorder v1.0.0
[INFO] [stderr]    Compiling linked_list_allocator v0.2.5
[INFO] [stderr]    Compiling spin v0.4.5
[INFO] [stderr]    Compiling r0 v0.1.0
[INFO] [stderr]    Compiling bit_field v0.7.0
[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 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] [stderr] warning: build failed, waiting for other jobs to finish...
[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[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[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[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[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 12 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0557, E0599, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[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/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 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "4f76c3778d37aa5c179d82ac565a0d00febc61bc36505e03f03bcb89dba420af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f76c3778d37aa5c179d82ac565a0d00febc61bc36505e03f03bcb89dba420af", kill_on_drop: false }`
[INFO] [stdout] 4f76c3778d37aa5c179d82ac565a0d00febc61bc36505e03f03bcb89dba420af