[INFO] cloning repository helena-project/tock-rust-template
[INFO] running `"git" "clone" "--bare" "git://github.com/helena-project/tock-rust-template.git" "work/cache/sources/gh/helena-project/tock-rust-template"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/helena-project/tock-rust-template'...
[INFO] running `"git" "clone" "work/cache/sources/gh/helena-project/tock-rust-template" "work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/helena-project/tock-rust-template"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/helena-project/tock-rust-template'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/helena-project/tock-rust-template" "work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/helena-project/tock-rust-template"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/helena-project/tock-rust-template'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4221695494d51faa5f4b7d9e75c5e3971cf2cfe7
[INFO] sha for GitHub repo helena-project/tock-rust-template: 4221695494d51faa5f4b7d9e75c5e3971cf2cfe7
[INFO] validating manifest of helena-project/tock-rust-template on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of helena-project/tock-rust-template on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing helena-project/tock-rust-template
[INFO] finished frobbing helena-project/tock-rust-template
[INFO] frobbed toml for helena-project/tock-rust-template written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/helena-project/tock-rust-template/Cargo.toml
[INFO] started frobbing helena-project/tock-rust-template
[INFO] finished frobbing helena-project/tock-rust-template
[INFO] frobbed toml for helena-project/tock-rust-template written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/helena-project/tock-rust-template/Cargo.toml
[INFO] crate helena-project/tock-rust-template already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating git repository `https://github.com/helena-project/libtock-rs`
[INFO] [stderr]     Updating git repository `https://github.com/phil-opp/linked-list-allocator`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking helena-project/tock-rust-template against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-5/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/helena-project/tock-rust-template:/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" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 40ce6bf0061cd5a84e270db60dc7804185731c0e9981e1de7534ebb861b79e1b
[INFO] running `"docker" "start" "-a" "40ce6bf0061cd5a84e270db60dc7804185731c0e9981e1de7534ebb861b79e1b"`
[INFO] [stderr]     Checking spin v0.4.5
[INFO] [stderr]     Checking linked_list_allocator v0.4.1 (https://github.com/phil-opp/linked-list-allocator#ce7b045f)
[INFO] [stderr] error[E0432]: unresolved import `alloc::allocator`
[INFO] [stderr]   --> /opt/crater/cargo-home/git/checkouts/linked-list-allocator-c10c45c74c352ca9/ce7b045/src/lib.rs:17:12
[INFO] [stderr]    |
[INFO] [stderr] 17 | use alloc::allocator::{Alloc, Layout, AllocErr};
[INFO] [stderr]    |            ^^^^^^^^^ could not find `allocator` in `alloc`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `alloc::allocator`
[INFO] [stderr]  --> /opt/crater/cargo-home/git/checkouts/linked-list-allocator-c10c45c74c352ca9/ce7b045/src/hole.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | use alloc::allocator::{Layout, AllocErr};
[INFO] [stderr]   |            ^^^^^^^^^ could not find `allocator` in `alloc`
[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/crater/cargo-home/git/checkouts/linked-list-allocator-c10c45c74c352ca9/ce7b045/src/hole.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use core::ptr::Unique;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: add #![feature(ptr_internals)] to the crate attributes to enable
[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/crater/cargo-home/git/checkouts/linked-list-allocator-c10c45c74c352ca9/ce7b045/src/hole.rs:94:18
[INFO] [stderr]    |
[INFO] [stderr] 94 |     next: Option<Unique<Hole>>,
[INFO] [stderr]    |                  ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: add #![feature(ptr_internals)] to the crate attributes to enable
[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/crater/cargo-home/git/checkouts/linked-list-allocator-c10c45c74c352ca9/ce7b045/src/hole.rs:304:43
[INFO] [stderr]     |
[INFO] [stderr] 304 |                 hole.next = Some(unsafe { Unique::new_unchecked(ptr) });
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: add #![feature(ptr_internals)] to the crate attributes to enable
[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/crater/cargo-home/git/checkouts/linked-list-allocator-c10c45c74c352ca9/ce7b045/src/hole.rs:41:28
[INFO] [stderr]    |
[INFO] [stderr] 41 |                 next: Some(Unique::new_unchecked(ptr)),
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: add #![feature(ptr_internals)] to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error[E0432]: unresolved import `alloc::allocator`
[INFO] [stderr]   --> /opt/crater/cargo-home/git/checkouts/linked-list-allocator-c10c45c74c352ca9/ce7b045/src/lib.rs:17:12
[INFO] [stderr]    |
[INFO] [stderr] 17 | use alloc::allocator::{Alloc, Layout, AllocErr};
[INFO] [stderr]    |            ^^^^^^^^^ could not find `allocator` in `alloc`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `alloc::allocator`
[INFO] [stderr]  --> /opt/crater/cargo-home/git/checkouts/linked-list-allocator-c10c45c74c352ca9/ce7b045/src/hole.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | use alloc::allocator::{Layout, AllocErr};
[INFO] [stderr]   |            ^^^^^^^^^ could not find `allocator` in `alloc`
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `linked_list_allocator`.
[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/crater/cargo-home/git/checkouts/linked-list-allocator-c10c45c74c352ca9/ce7b045/src/hole.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use core::ptr::Unique;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: add #![feature(ptr_internals)] to the crate attributes to enable
[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/crater/cargo-home/git/checkouts/linked-list-allocator-c10c45c74c352ca9/ce7b045/src/hole.rs:94:18
[INFO] [stderr]    |
[INFO] [stderr] 94 |     next: Option<Unique<Hole>>,
[INFO] [stderr]    |                  ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: add #![feature(ptr_internals)] to the crate attributes to enable
[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/crater/cargo-home/git/checkouts/linked-list-allocator-c10c45c74c352ca9/ce7b045/src/hole.rs:304:43
[INFO] [stderr]     |
[INFO] [stderr] 304 |                 hole.next = Some(unsafe { Unique::new_unchecked(ptr) });
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: add #![feature(ptr_internals)] to the crate attributes to enable
[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/crater/cargo-home/git/checkouts/linked-list-allocator-c10c45c74c352ca9/ce7b045/src/hole.rs:41:28
[INFO] [stderr]    |
[INFO] [stderr] 41 |                 next: Some(Unique::new_unchecked(ptr)),
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: add #![feature(ptr_internals)] to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `linked_list_allocator`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "40ce6bf0061cd5a84e270db60dc7804185731c0e9981e1de7534ebb861b79e1b"`
[INFO] running `"docker" "rm" "-f" "40ce6bf0061cd5a84e270db60dc7804185731c0e9981e1de7534ebb861b79e1b"`
[INFO] [stdout] 40ce6bf0061cd5a84e270db60dc7804185731c0e9981e1de7534ebb861b79e1b