[INFO] fetching crate any-arena 0.0.1...
[INFO] testing any-arena-0.0.1 against 1.54.0 for beta-1.55-1
[INFO] extracting crate any-arena 0.0.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate any-arena 0.0.1 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate any-arena 0.0.1
[INFO] finished tweaking crates.io crate any-arena 0.0.1
[INFO] tweaked toml for crates.io crate any-arena 0.0.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19f3f2725b1af012d5f8a24f1ef3222121dbd23d66559fd776fe61e67fcc852c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "19f3f2725b1af012d5f8a24f1ef3222121dbd23d66559fd776fe61e67fcc852c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19f3f2725b1af012d5f8a24f1ef3222121dbd23d66559fd776fe61e67fcc852c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19f3f2725b1af012d5f8a24f1ef3222121dbd23d66559fd776fe61e67fcc852c", kill_on_drop: false }`
[INFO] [stdout] 19f3f2725b1af012d5f8a24f1ef3222121dbd23d66559fd776fe61e67fcc852c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a83f90effd83872a2c0c6bf69c1338791069f5b2da782fcc7568109cdd6f5dfd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a83f90effd83872a2c0c6bf69c1338791069f5b2da782fcc7568109cdd6f5dfd", kill_on_drop: false }`
[INFO] [stderr]    Compiling any-arena v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `alloc::heap`
[INFO] [stdout]   --> src/any_arena.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use alloc::heap;
[INFO] [stdout]    |     ^^^^^^^^^^^ no `heap` in the root
[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(alloc)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | #![feature(core_intrinsics)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | #![feature(heap_api)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | #![feature(raw)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/any_arena.rs:308:33
[INFO] [stdout]     |
[INFO] [stdout] 308 |     let obj = mem::transmute::<&AllTypes, TraitObject>(ptr);
[INFO] [stdout]     |                                 ^^^^^^^^ help: use `dyn`: `dyn AllTypes`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stdout]   --> src/any_arena.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use alloc::raw_vec::RawVec;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stdout]    --> src/any_arena.rs:235:11
[INFO] [stdout]     |
[INFO] [stdout] 235 |     data: RawVec<u8>,
[INFO] [stdout]     |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `std::raw::TraitObject`: use pointer metadata APIs instead https://github.com/rust-lang/rust/issues/81513
[INFO] [stdout]    --> src/any_arena.rs:308:43
[INFO] [stdout]     |
[INFO] [stdout] 308 |     let obj = mem::transmute::<&AllTypes, TraitObject>(ptr);
[INFO] [stdout]     |                                           ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `std::raw::TraitObject`: use pointer metadata APIs instead https://github.com/rust-lang/rust/issues/81513
[INFO] [stdout]    --> src/any_arena.rs:303:9
[INFO] [stdout]     |
[INFO] [stdout] 303 |     use std::raw::TraitObject;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stdout]    --> src/any_arena.rs:245:19
[INFO] [stdout]     |
[INFO] [stdout] 245 |             data: RawVec::with_capacity(size),
[INFO] [stdout]     |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `reserve_in_place` found for struct `RawVec` in the current scope
[INFO] [stdout]    --> src/any_arena.rs:174:22
[INFO] [stdout]     |
[INFO] [stdout] 174 |         if head.data.reserve_in_place(used_cap, n_bytes) {
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^ method not found in `RawVec<u8>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stdout]    --> src/any_arena.rs:245:19
[INFO] [stdout]     |
[INFO] [stdout] 245 |             data: RawVec::with_capacity(size),
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `cap` found for struct `RawVec` in the current scope
[INFO] [stdout]    --> src/any_arena.rs:252:19
[INFO] [stdout]     |
[INFO] [stdout] 252 |         self.data.cap()
[INFO] [stdout]     |                   ^^^ private field, not a method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stdout]    --> src/any_arena.rs:256:19
[INFO] [stdout]     |
[INFO] [stdout] 256 |         self.data.ptr()
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated field `std::raw::TraitObject::vtable`: use pointer metadata APIs instead https://github.com/rust-lang/rust/issues/81513
[INFO] [stdout]    --> src/any_arena.rs:309:5
[INFO] [stdout]     |
[INFO] [stdout] 309 |     obj.vtable as *const TyDesc
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 12 previous errors; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0554, E0599, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `any-arena`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "a83f90effd83872a2c0c6bf69c1338791069f5b2da782fcc7568109cdd6f5dfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a83f90effd83872a2c0c6bf69c1338791069f5b2da782fcc7568109cdd6f5dfd", kill_on_drop: false }`
[INFO] [stdout] a83f90effd83872a2c0c6bf69c1338791069f5b2da782fcc7568109cdd6f5dfd
