[INFO] fetching crate default_allocator 0.3.0...
[INFO] checking default_allocator-0.3.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate default_allocator 0.3.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate default_allocator 0.3.0
[INFO] finished tweaking crates.io crate default_allocator 0.3.0
[INFO] tweaked toml for crates.io crate default_allocator 0.3.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate default_allocator 0.3.0 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 30d5a8cedbfd2a191ca379466838e58636b1d8808e157bb513899450d74636ae
[INFO] running `Command { std: "docker" "start" "-a" "30d5a8cedbfd2a191ca379466838e58636b1d8808e157bb513899450d74636ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30d5a8cedbfd2a191ca379466838e58636b1d8808e157bb513899450d74636ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30d5a8cedbfd2a191ca379466838e58636b1d8808e157bb513899450d74636ae", kill_on_drop: false }`
[INFO] [stdout] 30d5a8cedbfd2a191ca379466838e58636b1d8808e157bb513899450d74636ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8d50c760ff5cce272f335c1c1f1d22d54db1313d587f76279b6681ff24a32a9
[INFO] running `Command { std: "docker" "start" "-a" "e8d50c760ff5cce272f335c1c1f1d22d54db1313d587f76279b6681ff24a32a9", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling ptr v0.2.3
[INFO] [stderr]     Checking loca v0.7.4
[INFO] [stderr]     Checking default_allocator v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: attributes starting with `rustc` are reserved for use by the `rustc` compiler
[INFO] [stdout]   --> src/lib.rs:22:46
[INFO] [stdout]    |
[INFO] [stdout] 22 |     #[cfg_attr(not(feature = "stable-rust"), rustc_allocator_nounwind)]
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: attributes starting with `rustc` are reserved for use by the `rustc` compiler
[INFO] [stdout]   --> src/lib.rs:24:46
[INFO] [stdout]    |
[INFO] [stdout] 24 |     #[cfg_attr(not(feature = "stable-rust"), rustc_allocator_nounwind)]
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: attributes starting with `rustc` are reserved for use by the `rustc` compiler
[INFO] [stdout]   --> src/lib.rs:26:46
[INFO] [stdout]    |
[INFO] [stdout] 26 |     #[cfg_attr(not(feature = "stable-rust"), rustc_allocator_nounwind)]
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: attributes starting with `rustc` are reserved for use by the `rustc` compiler
[INFO] [stdout]   --> src/lib.rs:31:46
[INFO] [stdout]    |
[INFO] [stdout] 31 |     #[cfg_attr(not(feature = "stable-rust"), rustc_allocator_nounwind)]
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: attributes starting with `rustc` are reserved for use by the `rustc` compiler
[INFO] [stdout]   --> src/lib.rs:33:46
[INFO] [stdout]    |
[INFO] [stdout] 33 |     #[cfg_attr(not(feature = "stable-rust"), rustc_allocator_nounwind)]
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: attributes starting with `rustc` are reserved for use by the `rustc` compiler
[INFO] [stdout]   --> src/lib.rs:38:46
[INFO] [stdout]    |
[INFO] [stdout] 38 |     #[cfg_attr(not(feature = "stable-rust"), rustc_allocator_nounwind)]
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `rustc_allocator_nounwind` in this scope
[INFO] [stdout]   --> src/lib.rs:22:46
[INFO] [stdout]    |
[INFO] [stdout] 22 |     #[cfg_attr(not(feature = "stable-rust"), rustc_allocator_nounwind)]
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `rustc_allocator_zeroed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `rustc_allocator_nounwind` in this scope
[INFO] [stdout]   --> src/lib.rs:24:46
[INFO] [stdout]    |
[INFO] [stdout] 24 |     #[cfg_attr(not(feature = "stable-rust"), rustc_allocator_nounwind)]
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `rustc_allocator_zeroed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `rustc_allocator_nounwind` in this scope
[INFO] [stdout]   --> src/lib.rs:26:46
[INFO] [stdout]    |
[INFO] [stdout] 26 |     #[cfg_attr(not(feature = "stable-rust"), rustc_allocator_nounwind)]
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `rustc_allocator_zeroed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `rustc_allocator_nounwind` in this scope
[INFO] [stdout]   --> src/lib.rs:31:46
[INFO] [stdout]    |
[INFO] [stdout] 31 |     #[cfg_attr(not(feature = "stable-rust"), rustc_allocator_nounwind)]
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `rustc_allocator_zeroed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `rustc_allocator_nounwind` in this scope
[INFO] [stdout]   --> src/lib.rs:33:46
[INFO] [stdout]    |
[INFO] [stdout] 33 |     #[cfg_attr(not(feature = "stable-rust"), rustc_allocator_nounwind)]
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `rustc_allocator_zeroed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `rustc_allocator_nounwind` in this scope
[INFO] [stdout]   --> src/lib.rs:38:46
[INFO] [stdout]    |
[INFO] [stdout] 38 |     #[cfg_attr(not(feature = "stable-rust"), rustc_allocator_nounwind)]
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `rustc_allocator_zeroed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `rustc_attrs` is internal to the compiler or standard library
[INFO] [stdout]   --> src/lib.rs:13:51
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![cfg_attr(not(feature = "stable-rust"), feature(rustc_attrs))]
[INFO] [stdout]    |                                                   ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: using it is strongly discouraged
[INFO] [stdout]    = note: `#[warn(internal_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `stable-rust`
[INFO] [stdout]   --> src/lib.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![cfg_attr(not(feature = "stable-rust"), feature(rustc_attrs))]
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `stable-rust` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `stable-rust`
[INFO] [stdout]   --> src/lib.rs:22:20
[INFO] [stdout]    |
[INFO] [stdout] 22 |     #[cfg_attr(not(feature = "stable-rust"), rustc_allocator_nounwind)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `stable-rust` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `stable-rust`
[INFO] [stdout]   --> src/lib.rs:24:20
[INFO] [stdout]    |
[INFO] [stdout] 24 |     #[cfg_attr(not(feature = "stable-rust"), rustc_allocator_nounwind)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `stable-rust` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `stable-rust`
[INFO] [stdout]   --> src/lib.rs:26:20
[INFO] [stdout]    |
[INFO] [stdout] 26 |     #[cfg_attr(not(feature = "stable-rust"), rustc_allocator_nounwind)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `stable-rust` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `stable-rust`
[INFO] [stdout]   --> src/lib.rs:31:20
[INFO] [stdout]    |
[INFO] [stdout] 31 |     #[cfg_attr(not(feature = "stable-rust"), rustc_allocator_nounwind)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `stable-rust` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `stable-rust`
[INFO] [stdout]   --> src/lib.rs:33:20
[INFO] [stdout]    |
[INFO] [stdout] 33 |     #[cfg_attr(not(feature = "stable-rust"), rustc_allocator_nounwind)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `stable-rust` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `stable-rust`
[INFO] [stdout]   --> src/lib.rs:38:20
[INFO] [stdout]    |
[INFO] [stdout] 38 |     #[cfg_attr(not(feature = "stable-rust"), rustc_allocator_nounwind)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `stable-rust` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `default_allocator` (lib) due to 12 previous errors; 8 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: attributes starting with `rustc` are reserved for use by the `rustc` compiler
[INFO] [stdout]   --> src/lib.rs:22:46
[INFO] [stdout]    |
[INFO] [stdout] 22 |     #[cfg_attr(not(feature = "stable-rust"), rustc_allocator_nounwind)]
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: attributes starting with `rustc` are reserved for use by the `rustc` compiler
[INFO] [stdout]   --> src/lib.rs:24:46
[INFO] [stdout]    |
[INFO] [stdout] 24 |     #[cfg_attr(not(feature = "stable-rust"), rustc_allocator_nounwind)]
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: attributes starting with `rustc` are reserved for use by the `rustc` compiler
[INFO] [stdout]   --> src/lib.rs:26:46
[INFO] [stdout]    |
[INFO] [stdout] 26 |     #[cfg_attr(not(feature = "stable-rust"), rustc_allocator_nounwind)]
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: attributes starting with `rustc` are reserved for use by the `rustc` compiler
[INFO] [stdout]   --> src/lib.rs:31:46
[INFO] [stdout]    |
[INFO] [stdout] 31 |     #[cfg_attr(not(feature = "stable-rust"), rustc_allocator_nounwind)]
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: attributes starting with `rustc` are reserved for use by the `rustc` compiler
[INFO] [stdout]   --> src/lib.rs:33:46
[INFO] [stdout]    |
[INFO] [stdout] 33 |     #[cfg_attr(not(feature = "stable-rust"), rustc_allocator_nounwind)]
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: attributes starting with `rustc` are reserved for use by the `rustc` compiler
[INFO] [stdout]   --> src/lib.rs:38:46
[INFO] [stdout]    |
[INFO] [stdout] 38 |     #[cfg_attr(not(feature = "stable-rust"), rustc_allocator_nounwind)]
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `rustc_allocator_nounwind` in this scope
[INFO] [stdout]   --> src/lib.rs:22:46
[INFO] [stdout]    |
[INFO] [stdout] 22 |     #[cfg_attr(not(feature = "stable-rust"), rustc_allocator_nounwind)]
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `rustc_allocator_zeroed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `rustc_allocator_nounwind` in this scope
[INFO] [stdout]   --> src/lib.rs:24:46
[INFO] [stdout]    |
[INFO] [stdout] 24 |     #[cfg_attr(not(feature = "stable-rust"), rustc_allocator_nounwind)]
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `rustc_allocator_zeroed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `rustc_allocator_nounwind` in this scope
[INFO] [stdout]   --> src/lib.rs:26:46
[INFO] [stdout]    |
[INFO] [stdout] 26 |     #[cfg_attr(not(feature = "stable-rust"), rustc_allocator_nounwind)]
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `rustc_allocator_zeroed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `rustc_allocator_nounwind` in this scope
[INFO] [stdout]   --> src/lib.rs:31:46
[INFO] [stdout]    |
[INFO] [stdout] 31 |     #[cfg_attr(not(feature = "stable-rust"), rustc_allocator_nounwind)]
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `rustc_allocator_zeroed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `rustc_allocator_nounwind` in this scope
[INFO] [stdout]   --> src/lib.rs:33:46
[INFO] [stdout]    |
[INFO] [stdout] 33 |     #[cfg_attr(not(feature = "stable-rust"), rustc_allocator_nounwind)]
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `rustc_allocator_zeroed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `rustc_allocator_nounwind` in this scope
[INFO] [stdout]   --> src/lib.rs:38:46
[INFO] [stdout]    |
[INFO] [stdout] 38 |     #[cfg_attr(not(feature = "stable-rust"), rustc_allocator_nounwind)]
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `rustc_allocator_zeroed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `rustc_attrs` is internal to the compiler or standard library
[INFO] [stdout]   --> src/lib.rs:13:51
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![cfg_attr(not(feature = "stable-rust"), feature(rustc_attrs))]
[INFO] [stdout]    |                                                   ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: using it is strongly discouraged
[INFO] [stdout]    = note: `#[warn(internal_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `stable-rust`
[INFO] [stdout]   --> src/lib.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![cfg_attr(not(feature = "stable-rust"), feature(rustc_attrs))]
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `stable-rust` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `stable-rust`
[INFO] [stdout]   --> src/lib.rs:22:20
[INFO] [stdout]    |
[INFO] [stdout] 22 |     #[cfg_attr(not(feature = "stable-rust"), rustc_allocator_nounwind)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `stable-rust` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `stable-rust`
[INFO] [stdout]   --> src/lib.rs:24:20
[INFO] [stdout]    |
[INFO] [stdout] 24 |     #[cfg_attr(not(feature = "stable-rust"), rustc_allocator_nounwind)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `stable-rust` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `stable-rust`
[INFO] [stdout]   --> src/lib.rs:26:20
[INFO] [stdout]    |
[INFO] [stdout] 26 |     #[cfg_attr(not(feature = "stable-rust"), rustc_allocator_nounwind)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `stable-rust` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `stable-rust`
[INFO] [stdout]   --> src/lib.rs:31:20
[INFO] [stdout]    |
[INFO] [stdout] 31 |     #[cfg_attr(not(feature = "stable-rust"), rustc_allocator_nounwind)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `stable-rust` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `stable-rust`
[INFO] [stdout]   --> src/lib.rs:33:20
[INFO] [stdout]    |
[INFO] [stdout] 33 |     #[cfg_attr(not(feature = "stable-rust"), rustc_allocator_nounwind)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `stable-rust` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `stable-rust`
[INFO] [stdout]   --> src/lib.rs:38:20
[INFO] [stdout]    |
[INFO] [stdout] 38 |     #[cfg_attr(not(feature = "stable-rust"), rustc_allocator_nounwind)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `stable-rust` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0614]: type `NonNull<u8>` cannot be dereferenced
[INFO] [stdout]   --> src/lib.rs:99:28
[INFO] [stdout]    |
[INFO] [stdout] 99 |                 assert_eq!(*i, 0);
[INFO] [stdout]    |                            ^^ can't be dereferenced
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0614`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `default_allocator` (lib test) due to 13 previous errors; 8 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "e8d50c760ff5cce272f335c1c1f1d22d54db1313d587f76279b6681ff24a32a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8d50c760ff5cce272f335c1c1f1d22d54db1313d587f76279b6681ff24a32a9", kill_on_drop: false }`
[INFO] [stdout] e8d50c760ff5cce272f335c1c1f1d22d54db1313d587f76279b6681ff24a32a9