[INFO] crate lru 0.1.17 is already in cache
[INFO] checking lru-0.1.17 against try#00e4530a79c42b21a6ca2ac1edb597c90d21f89f for pr-64672
[INFO] extracting crate lru 0.1.17 into work/builds/worker-0/source
[INFO] validating manifest of crates.io crate lru 0.1.17 on toolchain 00e4530a79c42b21a6ca2ac1edb597c90d21f89f
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+00e4530a79c42b21a6ca2ac1edb597c90d21f89f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate lru 0.1.17
[INFO] finished tweaking crates.io crate lru 0.1.17
[INFO] tweaked toml for crates.io crate lru 0.1.17 written to work/builds/worker-0/source/Cargo.toml
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+00e4530a79c42b21a6ca2ac1edb597c90d21f89f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+00e4530a79c42b21a6ca2ac1edb597c90d21f89f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+00e4530a79c42b21a6ca2ac1edb597c90d21f89f" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d92fedde56255ebd5e8d59a9d46c2b90fbc400d2db48f6d044ee26d0e3d99bd8
[INFO] running `"docker" "start" "-a" "d92fedde56255ebd5e8d59a9d46c2b90fbc400d2db48f6d044ee26d0e3d99bd8"`
[INFO] [stderr]     Checking lru v0.1.17 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0658]: auto traits are experimental and possibly buggy
[INFO] [stderr]    --> src/lib.rs:110:1
[INFO] [stderr]     |
[INFO] [stderr] 110 | pub auto trait NotKeyRef {}
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/13231
[INFO] [stderr]     = help: add `#![feature(optin_builtin_traits)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stderr]    --> src/lib.rs:113:9
[INFO] [stderr]     |
[INFO] [stderr] 113 | impl<K> !NotKeyRef for KeyRef<K> {}
[INFO] [stderr]     |         ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/13231
[INFO] [stderr]     = help: add `#![feature(optin_builtin_traits)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:216:51
[INFO] [stderr]     |
[INFO] [stderr] 216 |             head: unsafe { Box::into_raw(Box::new(mem::uninitialized::<LruEntry<K, V>>())) },
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:217:51
[INFO] [stderr]     |
[INFO] [stderr] 217 |             tail: unsafe { Box::into_raw(Box::new(mem::uninitialized::<LruEntry<K, V>>())) },
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0658`.
[INFO] [stderr] error: could not compile `lru`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0658]: auto traits are experimental and possibly buggy
[INFO] [stderr]    --> src/lib.rs:110:1
[INFO] [stderr]     |
[INFO] [stderr] 110 | pub auto trait NotKeyRef {}
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/13231
[INFO] [stderr]     = help: add `#![feature(optin_builtin_traits)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stderr]    --> src/lib.rs:113:9
[INFO] [stderr]     |
[INFO] [stderr] 113 | impl<K> !NotKeyRef for KeyRef<K> {}
[INFO] [stderr]     |         ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/13231
[INFO] [stderr]     = help: add `#![feature(optin_builtin_traits)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/lib.rs:956:47
[INFO] [stderr]     |
[INFO] [stderr] 956 |         let s = DefaultHashBuilder::default();;
[INFO] [stderr]     |                                               ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolon)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:216:51
[INFO] [stderr]     |
[INFO] [stderr] 216 |             head: unsafe { Box::into_raw(Box::new(mem::uninitialized::<LruEntry<K, V>>())) },
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:217:51
[INFO] [stderr]     |
[INFO] [stderr] 217 |             tail: unsafe { Box::into_raw(Box::new(mem::uninitialized::<LruEntry<K, V>>())) },
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0658`.
[INFO] [stderr] error: could not compile `lru`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "d92fedde56255ebd5e8d59a9d46c2b90fbc400d2db48f6d044ee26d0e3d99bd8"`
[INFO] running `"docker" "rm" "-f" "d92fedde56255ebd5e8d59a9d46c2b90fbc400d2db48f6d044ee26d0e3d99bd8"`
[INFO] [stdout] d92fedde56255ebd5e8d59a9d46c2b90fbc400d2db48f6d044ee26d0e3d99bd8