[INFO] fetching crate storages 0.1.1...
[INFO] testing storages-0.1.1 against 1.60.0 for beta-1.61-1
[INFO] extracting crate storages 0.1.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate storages 0.1.1 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-3/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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 87ea72aa047b413281c36b1d951235d7d9c16b77d649d1df4e6909ed585a6c12
[INFO] running `Command { std: "docker" "start" "-a" "87ea72aa047b413281c36b1d951235d7d9c16b77d649d1df4e6909ed585a6c12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87ea72aa047b413281c36b1d951235d7d9c16b77d649d1df4e6909ed585a6c12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87ea72aa047b413281c36b1d951235d7d9c16b77d649d1df4e6909ed585a6c12", kill_on_drop: false }`
[INFO] [stdout] 87ea72aa047b413281c36b1d951235d7d9c16b77d649d1df4e6909ed585a6c12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3769f3c50f25114cab14800694d0c6391ddc0b882b199ad037714019bd4993fb
[INFO] running `Command { std: "docker" "start" "-a" "3769f3c50f25114cab14800694d0c6391ddc0b882b199ad037714019bd4993fb", 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] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `storages` due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "3769f3c50f25114cab14800694d0c6391ddc0b882b199ad037714019bd4993fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3769f3c50f25114cab14800694d0c6391ddc0b882b199ad037714019bd4993fb", kill_on_drop: false }`
[INFO] [stdout] 3769f3c50f25114cab14800694d0c6391ddc0b882b199ad037714019bd4993fb