[INFO] fetching crate storages 0.1.1...
[INFO] testing storages-0.1.1 against 1.91.0 for beta-1.92-2
[INFO] extracting crate storages 0.1.1 into /workspace/builds/worker-1-tc1/source
[INFO] removed /workspace/builds/worker-1-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate storages 0.1.1
[INFO] finished tweaking crates.io crate storages 0.1.1
[INFO] tweaked toml for crates.io crate storages 0.1.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate storages 0.1.1 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e12b6bd1a29b1ff1095264f0804cd40f769fff718634c9b6342e62d01ac1293
[INFO] running `Command { std: "docker" "start" "-a" "3e12b6bd1a29b1ff1095264f0804cd40f769fff718634c9b6342e62d01ac1293", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e12b6bd1a29b1ff1095264f0804cd40f769fff718634c9b6342e62d01ac1293", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e12b6bd1a29b1ff1095264f0804cd40f769fff718634c9b6342e62d01ac1293", kill_on_drop: false }`
[INFO] [stdout] 3e12b6bd1a29b1ff1095264f0804cd40f769fff718634c9b6342e62d01ac1293
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84988d932fa0d8317ab4b905e48fbce8d6adacfb2ccef0d20d546ad9800f270d
[INFO] running `Command { std: "docker" "start" "-a" "84988d932fa0d8317ab4b905e48fbce8d6adacfb2ccef0d20d546ad9800f270d", kill_on_drop: false }`
[INFO] [stderr]    Compiling storages v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `core::alloc::AllocRef`
[INFO] [stdout]  --> src/buffer/alloc.rs:4:25
[INFO] [stdout]   |
[INFO] [stdout] 4 |     alloc::{AllocError, AllocRef, Layout},
[INFO] [stdout]   |                         ^^^^^^^^ no `AllocRef` in `alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout]  5 | / #![feature(
[INFO] [stdout]  6 | |     allocator_api,
[INFO] [stdout]  7 | |     specialization,
[INFO] [stdout]  8 | |     coerce_unsized,
[INFO] [stdout]  9 | |     unsize,
[INFO] [stdout] 10 | |     min_const_generics
[INFO] [stdout] 11 | | )]
[INFO] [stdout]    | |__^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the feature `min_const_generics` has been stable since `1.51.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | / #![feature(
[INFO] [stdout] 14 | |     nonnull_slice_from_raw_parts,
[INFO] [stdout] 15 | |     int_bits_const,
[INFO] [stdout] 16 | |     slice_ptr_len,
[INFO] [stdout] 17 | |     slice_ptr_get
[INFO] [stdout] 18 | | )]
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/buffer/alloc.rs:65:26
[INFO] [stdout]    |
[INFO] [stdout] 65 |         debug_assert_ne!(mem::size_of::<T>(), 0);
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     unused_qualifications
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 65 -         debug_assert_ne!(mem::size_of::<T>(), 0);
[INFO] [stdout] 65 +         debug_assert_ne!(size_of::<T>(), 0);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/buffer/alloc.rs:66:17
[INFO] [stdout]    |
[INFO] [stdout] 66 |         bytes / mem::size_of::<T>()
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 66 -         bytes / mem::size_of::<T>()
[INFO] [stdout] 66 +         bytes / size_of::<T>()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/buffer/alloc.rs:71:22
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let ptr = if mem::size_of::<T>() == 0 {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 71 -         let ptr = if mem::size_of::<T>() == 0 {
[INFO] [stdout] 71 +         let ptr = if size_of::<T>() == 0 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/buffer/alloc.rs:136:20
[INFO] [stdout]     |
[INFO] [stdout] 136 |         let size = mem::size_of_val(self.ptr.as_ref());
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 136 -         let size = mem::size_of_val(self.ptr.as_ref());
[INFO] [stdout] 136 +         let size = size_of_val(self.ptr.as_ref());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/buffer/alloc.rs:137:21
[INFO] [stdout]     |
[INFO] [stdout] 137 |         let align = mem::align_of_val(self.ptr.as_ref());
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 137 -         let align = mem::align_of_val(self.ptr.as_ref());
[INFO] [stdout] 137 +         let align = align_of_val(self.ptr.as_ref());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `min_const_generics` has been stable since 1.51.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     min_const_generics
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `int_bits_const` has been stable since 1.53.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     int_bits_const,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `nonnull_slice_from_raw_parts` has been stable since 1.70.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     nonnull_slice_from_raw_parts,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `slice_ptr_len` has been stable since 1.79.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     slice_ptr_len,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0367]: `Drop` impl requires `S: UnmanagedBuffer<T>` but the struct it is implemented for does not
[INFO] [stdout]    --> src/boxed/mod.rs:384:8
[INFO] [stdout]     |
[INFO] [stdout] 384 |     S: UnmanagedBuffer<T, ExternalData = D>,
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the implementor must specify the same requirement
[INFO] [stdout]    --> src/boxed/mod.rs:14:1
[INFO] [stdout]     |
[INFO] [stdout]  14 | pub struct Box<T, B = AllocatedBuffer<T>, D = <B as Buffer<T>>::ExternalData>
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0367, E0432, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0367`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `storages` (lib) due to 4 previous errors; 9 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "84988d932fa0d8317ab4b905e48fbce8d6adacfb2ccef0d20d546ad9800f270d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84988d932fa0d8317ab4b905e48fbce8d6adacfb2ccef0d20d546ad9800f270d", kill_on_drop: false }`
[INFO] [stdout] 84988d932fa0d8317ab4b905e48fbce8d6adacfb2ccef0d20d546ad9800f270d
