[INFO] fetching crate sensitive 0.10.5...
[INFO] testing sensitive-0.10.5 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate sensitive 0.10.5 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate sensitive 0.10.5
[INFO] finished tweaking crates.io crate sensitive 0.10.5
[INFO] tweaked toml for crates.io crate sensitive 0.10.5 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sensitive 0.10.5 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sensitive 0.10.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5a4a49bc69d3110f7ad49b2761240e5a20fea5b56c3bf98a9c6552e18e43686
[INFO] running `Command { std: "docker" "start" "-a" "d5a4a49bc69d3110f7ad49b2761240e5a20fea5b56c3bf98a9c6552e18e43686", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5a4a49bc69d3110f7ad49b2761240e5a20fea5b56c3bf98a9c6552e18e43686", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5a4a49bc69d3110f7ad49b2761240e5a20fea5b56c3bf98a9c6552e18e43686", kill_on_drop: false }`
[INFO] [stdout] d5a4a49bc69d3110f7ad49b2761240e5a20fea5b56c3bf98a9c6552e18e43686
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98d5a63639367fe391f257f3144c64111e5159e858d4d7c9e97c7bae2ba6d63b
[INFO] running `Command { std: "docker" "start" "-a" "98d5a63639367fe391f257f3144c64111e5159e858d4d7c9e97c7bae2ba6d63b", kill_on_drop: false }`
[INFO] [stderr]    Compiling dtor-proc-macro v0.0.5
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling ctor-proc-macro v0.0.5
[INFO] [stderr]    Compiling tinyvec v1.8.1
[INFO] [stderr]    Compiling dtor v0.0.5
[INFO] [stderr]    Compiling ctor v0.4.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.24
[INFO] [stderr]    Compiling sensitive v0.10.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | / #![feature(
[INFO] [stdout] 3 | |     allocator_api,
[INFO] [stdout] 4 | |     core_intrinsics,
[INFO] [stdout] 5 | |     maybe_uninit_slice,
[INFO] [stdout] ... |
[INFO] [stdout] 8 | |     sync_unsafe_cell,
[INFO] [stdout] 9 | | )]
[INFO] [stdout]   | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `maybe_uninit_slice` has been stable since 1.93.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:5:2
[INFO] [stdout]   |
[INFO] [stdout] 5 |     maybe_uninit_slice,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `ptr_as_ref_unchecked` has been stable since 1.95.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:6:2
[INFO] [stdout]   |
[INFO] [stdout] 6 |     ptr_as_ref_unchecked,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no associated function or constant named `slice_assume_init_mut` found for union `MaybeUninit<T>` in the current scope
[INFO] [stdout]    --> src/string.rs:123:46
[INFO] [stdout]     |
[INFO] [stdout] 123 |                 decomp.encode_utf8(unsafe { MaybeUninit::slice_assume_init_mut(mutable.0.spare_capacity_mut()) });
[INFO] [stdout]     |                                                          ^^^^^^^^^^^^^^^^^^^^^ associated function or constant not found in `MaybeUninit<_>`
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `MaybeUninit<_>` consider using one of the following associated functions:
[INFO] [stdout]       MaybeUninit::<T>::new
[INFO] [stdout]       MaybeUninit::<T>::uninit
[INFO] [stdout]       MaybeUninit::<T>::zeroed
[INFO] [stdout]    --> /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/mem/maybe_uninit.rs:406:4
[INFO] [stdout] help: there is a method `assume_init_mut` with a similar name, but with different arguments
[INFO] [stdout]    --> /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/mem/maybe_uninit.rs:1010:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no associated function or constant named `slice_assume_init_mut` found for union `MaybeUninit<T>` in the current scope
[INFO] [stdout]    --> src/string.rs:203:45
[INFO] [stdout]     |
[INFO] [stdout] 203 |             decomp.encode_utf8(unsafe { MaybeUninit::slice_assume_init_mut(self.0.spare_capacity_mut()) });
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^^^^^^^^ associated function or constant not found in `MaybeUninit<_>`
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `MaybeUninit<_>` consider using one of the following associated functions:
[INFO] [stdout]       MaybeUninit::<T>::new
[INFO] [stdout]       MaybeUninit::<T>::uninit
[INFO] [stdout]       MaybeUninit::<T>::zeroed
[INFO] [stdout]    --> /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/mem/maybe_uninit.rs:406:4
[INFO] [stdout] help: there is a method `assume_init_mut` with a similar name, but with different arguments
[INFO] [stdout]    --> /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/mem/maybe_uninit.rs:1010:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no associated function or constant named `slice_assume_init_mut` found for union `MaybeUninit<T>` in the current scope
[INFO] [stdout]    --> src/string.rs:216:45
[INFO] [stdout]     |
[INFO] [stdout] 216 |             decomp.encode_utf8(unsafe { MaybeUninit::slice_assume_init_mut(self.0.spare_capacity_mut()) });
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^^^^^^^^ associated function or constant not found in `MaybeUninit<_>`
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `MaybeUninit<_>` consider using one of the following associated functions:
[INFO] [stdout]       MaybeUninit::<T>::new
[INFO] [stdout]       MaybeUninit::<T>::uninit
[INFO] [stdout]       MaybeUninit::<T>::zeroed
[INFO] [stdout]    --> /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/mem/maybe_uninit.rs:406:4
[INFO] [stdout] help: there is a method `assume_init_mut` with a similar name, but with different arguments
[INFO] [stdout]    --> /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/mem/maybe_uninit.rs:1010:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sensitive` (lib) due to 4 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "98d5a63639367fe391f257f3144c64111e5159e858d4d7c9e97c7bae2ba6d63b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98d5a63639367fe391f257f3144c64111e5159e858d4d7c9e97c7bae2ba6d63b", kill_on_drop: false }`
[INFO] [stdout] 98d5a63639367fe391f257f3144c64111e5159e858d4d7c9e97c7bae2ba6d63b
