[INFO] fetching crate hashmap_core2 0.0.1...
[INFO] testing hashmap_core2-0.0.1 against 1.60.0 for beta-1.61-1
[INFO] extracting crate hashmap_core2 0.0.1 into /workspace/builds/worker-54/source
[INFO] validating manifest of crates.io crate hashmap_core2 0.0.1 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] started tweaking crates.io crate hashmap_core2 0.0.1
[INFO] finished tweaking crates.io crate hashmap_core2 0.0.1
[INFO] tweaked toml for crates.io crate hashmap_core2 0.0.1 written to /workspace/builds/worker-54/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] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48640c74a8f895caca112c7dc8cd9e60485a07794f446ebd25e9361f9c976104
[INFO] running `Command { std: "docker" "start" "-a" "48640c74a8f895caca112c7dc8cd9e60485a07794f446ebd25e9361f9c976104", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48640c74a8f895caca112c7dc8cd9e60485a07794f446ebd25e9361f9c976104", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48640c74a8f895caca112c7dc8cd9e60485a07794f446ebd25e9361f9c976104", kill_on_drop: false }`
[INFO] [stdout] 48640c74a8f895caca112c7dc8cd9e60485a07794f446ebd25e9361f9c976104
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8beeb539cbb4e6915f9176c7456b13bb6c629ce0c90c5e83c811fa5dd9281fc5
[INFO] running `Command { std: "docker" "start" "-a" "8beeb539cbb4e6915f9176c7456b13bb6c629ce0c90c5e83c811fa5dd9281fc5", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashmap_core2 v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `alloc_crate::alloc::oom`
[INFO] [stdout]   --> src/lib.rs:19:34
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub use alloc_crate::alloc::{oom, Global};
[INFO] [stdout]    |                                  ^^^ no `oom` in `alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `alloc::CollectionAllocErr`
[INFO] [stdout]   --> src/map.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use alloc::CollectionAllocErr;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^ no `CollectionAllocErr` in `alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `alloc::Alloc`, `alloc::CollectionAllocErr`
[INFO] [stdout]   --> src/table.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 | use alloc::{Alloc, CollectionAllocErr, Global, Layout};
[INFO] [stdout]    |             ^^^^^  ^^^^^^^^^^^^^^^^^^ no `CollectionAllocErr` in `alloc`
[INFO] [stdout]    |             |
[INFO] [stdout]    |             no `Alloc` 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:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | #![feature(alloc, dropck_eyepatch, allocator_api, fused, ptr_internals, try_reserve, nonnull_cast)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/map.rs:1878:34
[INFO] [stdout]      |
[INFO] [stdout] 1878 |     fn next(&mut self) -> Option<(&'a K)> {
[INFO] [stdout]      |                                  ^     ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1878 -     fn next(&mut self) -> Option<(&'a K)> {
[INFO] [stdout] 1878 +     fn next(&mut self) -> Option<&'a K> {
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/map.rs:1898:34
[INFO] [stdout]      |
[INFO] [stdout] 1898 |     fn next(&mut self) -> Option<(&'a V)> {
[INFO] [stdout]      |                                  ^     ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1898 -     fn next(&mut self) -> Option<(&'a V)> {
[INFO] [stdout] 1898 +     fn next(&mut self) -> Option<&'a V> {
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/map.rs:1918:34
[INFO] [stdout]      |
[INFO] [stdout] 1918 |     fn next(&mut self) -> Option<(&'a mut V)> {
[INFO] [stdout]      |                                  ^         ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1918 -     fn next(&mut self) -> Option<(&'a mut V)> {
[INFO] [stdout] 1918 +     fn next(&mut self) -> Option<&'a mut V> {
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `alloc` found for struct `Global` in the current scope
[INFO] [stdout]    --> src/table.rs:766:29
[INFO] [stdout]     |
[INFO] [stdout] 766 |         let buffer = Global.alloc(Layout::from_size_align(size, alignment)
[INFO] [stdout]     |                             ^^^^^ method not found in `Global`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `dealloc` found for struct `Global` in the current scope
[INFO] [stdout]     --> src/table.rs:1204:20
[INFO] [stdout]      |
[INFO] [stdout] 1204 |             Global.dealloc(
[INFO] [stdout]      |                    ^^^^^^^ method not found in `Global`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `as_opaque` found for struct `NonNull` in the current scope
[INFO] [stdout]     --> src/table.rs:1205:59
[INFO] [stdout]      |
[INFO] [stdout] 1205 |                 NonNull::new_unchecked(self.hashes.ptr()).as_opaque(),
[INFO] [stdout]      |                                                           ^^^^^^^^^ method not found in `NonNull<usize>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hashmap_core2` due to 8 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "8beeb539cbb4e6915f9176c7456b13bb6c629ce0c90c5e83c811fa5dd9281fc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8beeb539cbb4e6915f9176c7456b13bb6c629ce0c90c5e83c811fa5dd9281fc5", kill_on_drop: false }`
[INFO] [stdout] 8beeb539cbb4e6915f9176c7456b13bb6c629ce0c90c5e83c811fa5dd9281fc5