[INFO] fetching crate allocator-suite 0.1.7...
[INFO] testing allocator-suite-0.1.7 against 1.54.0 for beta-1.55-1
[INFO] extracting crate allocator-suite 0.1.7 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate allocator-suite 0.1.7 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 allocator-suite 0.1.7
[INFO] finished tweaking crates.io crate allocator-suite 0.1.7
[INFO] tweaked toml for crates.io crate allocator-suite 0.1.7 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate allocator-suite 0.1.7 already has a lockfile, it will not be regenerated
[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-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "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] c6da1636372a90804a8739c2b8fb770c89de1ad2865fccf99d825733a63218dd
[INFO] running `Command { std: "docker" "start" "-a" "c6da1636372a90804a8739c2b8fb770c89de1ad2865fccf99d825733a63218dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6da1636372a90804a8739c2b8fb770c89de1ad2865fccf99d825733a63218dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6da1636372a90804a8739c2b8fb770c89de1ad2865fccf99d825733a63218dd", kill_on_drop: false }`
[INFO] [stdout] c6da1636372a90804a8739c2b8fb770c89de1ad2865fccf99d825733a63218dd
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 166840020c26c4254685044ede4db2a797fbbfee6600944a3cd53ac26c4d1eae
[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" "166840020c26c4254685044ede4db2a797fbbfee6600944a3cd53ac26c4d1eae", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling either v1.6.0
[INFO] [stderr]    Compiling allocator-suite v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(const_fn)]
[INFO] [stdout]   |            ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::alloc::AllocErr`, `std::alloc::AllocRef`
[INFO] [stdout]  --> src/adaptors/allocator_adaptor.rs:2:18
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::alloc::{AllocErr, AllocRef, GlobalAlloc, Layout};
[INFO] [stdout]   |                  ^^^^^^^^  ^^^^^^^^ no `AllocRef` in `alloc`
[INFO] [stdout]   |                  |
[INFO] [stdout]   |                  no `AllocErr` in `alloc`
[INFO] [stdout]   |                  help: a similar name exists in the module: `AllocError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::alloc::AllocErr`
[INFO] [stdout]  --> src/adaptors/alloc_to_allocator_adaptor.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::alloc::{AllocErr, GlobalAlloc, Layout};
[INFO] [stdout]   |                  ^^^^^^^^
[INFO] [stdout]   |                  |
[INFO] [stdout]   |                  no `AllocErr` in `alloc`
[INFO] [stdout]   |                  help: a similar name exists in the module: `AllocError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::alloc::AllocErr`
[INFO] [stdout]  --> src/adaptors/global_alloc_to_allocator_adaptor.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::alloc::{AllocErr, GlobalAlloc, Layout};
[INFO] [stdout]   |                  ^^^^^^^^
[INFO] [stdout]   |                  |
[INFO] [stdout]   |                  no `AllocErr` in `alloc`
[INFO] [stdout]   |                  help: a similar name exists in the module: `AllocError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::alloc::AllocErr`
[INFO] [stdout]   --> src/allocators/bit_set/bit_set_allocator.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::alloc::AllocErr;
[INFO] [stdout]    |     ^^^^^^^^^^^^--------
[INFO] [stdout]    |     |           |
[INFO] [stdout]    |     |           help: a similar name exists in the module: `AllocError`
[INFO] [stdout]    |     no `AllocErr` in `alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::alloc::AllocRef`
[INFO] [stdout]  --> src/allocators/global/global_switchable_allocator.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::alloc::{AllocRef, GlobalAlloc};
[INFO] [stdout]   |                  ^^^^^^^^ no `AllocRef` in `alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::alloc::AllocErr`
[INFO] [stdout]  --> src/allocators/allocator.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::alloc::{AllocErr, Layout};
[INFO] [stdout]   |                  ^^^^^^^^
[INFO] [stdout]   |                  |
[INFO] [stdout]   |                  no `AllocErr` in `alloc`
[INFO] [stdout]   |                  help: a similar name exists in the module: `AllocError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::alloc::AllocErr`
[INFO] [stdout]  --> src/allocators/bump_allocator.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::alloc::AllocErr;
[INFO] [stdout]   |     ^^^^^^^^^^^^--------
[INFO] [stdout]   |     |           |
[INFO] [stdout]   |     |           help: a similar name exists in the module: `AllocError`
[INFO] [stdout]   |     no `AllocErr` in `alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::alloc::AllocErr`
[INFO] [stdout]   --> src/allocators/context_allocator.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::alloc::AllocErr;
[INFO] [stdout]    |     ^^^^^^^^^^^^--------
[INFO] [stdout]    |     |           |
[INFO] [stdout]    |     |           help: a similar name exists in the module: `AllocError`
[INFO] [stdout]    |     no `AllocErr` in `alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::alloc::AllocErr`
[INFO] [stdout]  --> src/allocators/memory_map_allocator.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::alloc::AllocErr;
[INFO] [stdout]   |     ^^^^^^^^^^^^--------
[INFO] [stdout]   |     |           |
[INFO] [stdout]   |     |           help: a similar name exists in the module: `AllocError`
[INFO] [stdout]   |     no `AllocErr` in `alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::alloc::AllocErr`
[INFO] [stdout]  --> src/allocators/multiple_binary_search_tree_allocator.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::alloc::AllocErr;
[INFO] [stdout]   |     ^^^^^^^^^^^^--------
[INFO] [stdout]   |     |           |
[INFO] [stdout]   |     |           help: a similar name exists in the module: `AllocError`
[INFO] [stdout]   |     no `AllocErr` in `alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::alloc::AllocErr`
[INFO] [stdout]  --> src/memory_sources/arena_memory_source/arena_memory_source.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::alloc::AllocErr;
[INFO] [stdout]   |     ^^^^^^^^^^^^--------
[INFO] [stdout]   |     |           |
[INFO] [stdout]   |     |           help: a similar name exists in the module: `AllocError`
[INFO] [stdout]   |     no `AllocErr` in `alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::alloc::AllocErr`
[INFO] [stdout]  --> src/memory_sources/mmap/memory_map_source.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::alloc::AllocErr;
[INFO] [stdout]   |     ^^^^^^^^^^^^--------
[INFO] [stdout]   |     |           |
[INFO] [stdout]   |     |           help: a similar name exists in the module: `AllocError`
[INFO] [stdout]   |     no `AllocErr` in `alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::alloc::AllocErr`
[INFO] [stdout]  --> src/memory_sources/memory_source.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::alloc::AllocErr;
[INFO] [stdout]   |     ^^^^^^^^^^^^--------
[INFO] [stdout]   |     |           |
[INFO] [stdout]   |     |           help: a similar name exists in the module: `AllocError`
[INFO] [stdout]   |     no `AllocErr` in `alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::alloc::AllocErr`
[INFO] [stdout]  --> src/memory_sources/rc_memory_source.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::alloc::AllocErr;
[INFO] [stdout]   |     ^^^^^^^^^^^^--------
[INFO] [stdout]   |     |           |
[INFO] [stdout]   |     |           help: a similar name exists in the module: `AllocError`
[INFO] [stdout]   |     no `AllocErr` 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:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(allocator_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:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(extern_types)]
[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:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![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:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(libstd_sys_internals)]
[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:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(thread_local)]
[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:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(const_fn)]
[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:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(llvm_asm)]
[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:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(nonnull_slice_from_raw_parts)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 23 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `allocator-suite`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "166840020c26c4254685044ede4db2a797fbbfee6600944a3cd53ac26c4d1eae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "166840020c26c4254685044ede4db2a797fbbfee6600944a3cd53ac26c4d1eae", kill_on_drop: false }`
[INFO] [stdout] 166840020c26c4254685044ede4db2a797fbbfee6600944a3cd53ac26c4d1eae
