[INFO] fetching crate terminal-linked-hash-map 0.1.0...
[INFO] testing terminal-linked-hash-map-0.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate terminal-linked-hash-map 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate terminal-linked-hash-map 0.1.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate terminal-linked-hash-map 0.1.0
[INFO] finished tweaking crates.io crate terminal-linked-hash-map 0.1.0
[INFO] tweaked toml for crates.io crate terminal-linked-hash-map 0.1.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a31cc70eb5aa7bda50148e81baf4915791195f3848320c8eadf0a10de89c6f3
[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" "6a31cc70eb5aa7bda50148e81baf4915791195f3848320c8eadf0a10de89c6f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a31cc70eb5aa7bda50148e81baf4915791195f3848320c8eadf0a10de89c6f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a31cc70eb5aa7bda50148e81baf4915791195f3848320c8eadf0a10de89c6f3", kill_on_drop: false }`
[INFO] [stdout] 6a31cc70eb5aa7bda50148e81baf4915791195f3848320c8eadf0a10de89c6f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83cf7c529d6a6d4ee9036922e8525ad4d2f4e534bca37ca84e3ab8db14d060ec
[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" "83cf7c529d6a6d4ee9036922e8525ad4d2f4e534bca37ca84e3ab8db14d060ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling terminal-linked-hash-map v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:822:44
[INFO] [stdout]     |
[INFO] [stdout] 822 |     #[inline] fn next(&mut self) -> Option<(&'a K)> { self.inner.next() }
[INFO] [stdout]     |                                            ^     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 822 -     #[inline] fn next(&mut self) -> Option<(&'a K)> { self.inner.next() }
[INFO] [stdout] 822 +     #[inline] fn next(&mut self) -> Option<&'a K> { self.inner.next() }
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:827:49
[INFO] [stdout]     |
[INFO] [stdout] 827 |     #[inline] fn next_back(&mut self) -> Option<(&'a K)> { self.inner.next_back() }
[INFO] [stdout]     |                                                 ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 827 -     #[inline] fn next_back(&mut self) -> Option<(&'a K)> { self.inner.next_back() }
[INFO] [stdout] 827 +     #[inline] fn next_back(&mut self) -> Option<&'a K> { self.inner.next_back() }
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:846:44
[INFO] [stdout]     |
[INFO] [stdout] 846 |     #[inline] fn next(&mut self) -> Option<(&'a V)> { self.inner.next() }
[INFO] [stdout]     |                                            ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 846 -     #[inline] fn next(&mut self) -> Option<(&'a V)> { self.inner.next() }
[INFO] [stdout] 846 +     #[inline] fn next(&mut self) -> Option<&'a V> { self.inner.next() }
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:851:49
[INFO] [stdout]     |
[INFO] [stdout] 851 |     #[inline] fn next_back(&mut self) -> Option<(&'a V)> { self.inner.next_back() }
[INFO] [stdout]     |                                                 ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 851 -     #[inline] fn next_back(&mut self) -> Option<(&'a V)> { self.inner.next_back() }
[INFO] [stdout] 851 +     #[inline] fn next_back(&mut self) -> Option<&'a V> { self.inner.next_back() }
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:175:57
[INFO] [stdout]     |
[INFO] [stdout] 175 |                 self.head = Box::into_raw(Box::new(mem::uninitialized()));
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "83cf7c529d6a6d4ee9036922e8525ad4d2f4e534bca37ca84e3ab8db14d060ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83cf7c529d6a6d4ee9036922e8525ad4d2f4e534bca37ca84e3ab8db14d060ec", kill_on_drop: false }`
[INFO] [stdout] 83cf7c529d6a6d4ee9036922e8525ad4d2f4e534bca37ca84e3ab8db14d060ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fce741a76fdb6f9dd6ad585a06380ae37a1ac34c6cf6b86b1705076556392b0d
[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" "fce741a76fdb6f9dd6ad585a06380ae37a1ac34c6cf6b86b1705076556392b0d", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:822:44
[INFO] [stdout]     |
[INFO] [stdout] 822 |     #[inline] fn next(&mut self) -> Option<(&'a K)> { self.inner.next() }
[INFO] [stdout]     |                                            ^     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 822 -     #[inline] fn next(&mut self) -> Option<(&'a K)> { self.inner.next() }
[INFO] [stdout] 822 +     #[inline] fn next(&mut self) -> Option<&'a K> { self.inner.next() }
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling terminal-linked-hash-map v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:827:49
[INFO] [stdout]     |
[INFO] [stdout] 827 |     #[inline] fn next_back(&mut self) -> Option<(&'a K)> { self.inner.next_back() }
[INFO] [stdout]     |                                                 ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 827 -     #[inline] fn next_back(&mut self) -> Option<(&'a K)> { self.inner.next_back() }
[INFO] [stdout] 827 +     #[inline] fn next_back(&mut self) -> Option<&'a K> { self.inner.next_back() }
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:846:44
[INFO] [stdout]     |
[INFO] [stdout] 846 |     #[inline] fn next(&mut self) -> Option<(&'a V)> { self.inner.next() }
[INFO] [stdout]     |                                            ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 846 -     #[inline] fn next(&mut self) -> Option<(&'a V)> { self.inner.next() }
[INFO] [stdout] 846 +     #[inline] fn next(&mut self) -> Option<&'a V> { self.inner.next() }
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:851:49
[INFO] [stdout]     |
[INFO] [stdout] 851 |     #[inline] fn next_back(&mut self) -> Option<(&'a V)> { self.inner.next_back() }
[INFO] [stdout]     |                                                 ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 851 -     #[inline] fn next_back(&mut self) -> Option<(&'a V)> { self.inner.next_back() }
[INFO] [stdout] 851 +     #[inline] fn next_back(&mut self) -> Option<&'a V> { self.inner.next_back() }
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:175:57
[INFO] [stdout]     |
[INFO] [stdout] 175 |                 self.head = Box::into_raw(Box::new(mem::uninitialized()));
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:822:44
[INFO] [stdout]     |
[INFO] [stdout] 822 |     #[inline] fn next(&mut self) -> Option<(&'a K)> { self.inner.next() }
[INFO] [stdout]     |                                            ^     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 822 -     #[inline] fn next(&mut self) -> Option<(&'a K)> { self.inner.next() }
[INFO] [stdout] 822 +     #[inline] fn next(&mut self) -> Option<&'a K> { self.inner.next() }
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:827:49
[INFO] [stdout]     |
[INFO] [stdout] 827 |     #[inline] fn next_back(&mut self) -> Option<(&'a K)> { self.inner.next_back() }
[INFO] [stdout]     |                                                 ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 827 -     #[inline] fn next_back(&mut self) -> Option<(&'a K)> { self.inner.next_back() }
[INFO] [stdout] 827 +     #[inline] fn next_back(&mut self) -> Option<&'a K> { self.inner.next_back() }
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:846:44
[INFO] [stdout]     |
[INFO] [stdout] 846 |     #[inline] fn next(&mut self) -> Option<(&'a V)> { self.inner.next() }
[INFO] [stdout]     |                                            ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 846 -     #[inline] fn next(&mut self) -> Option<(&'a V)> { self.inner.next() }
[INFO] [stdout] 846 +     #[inline] fn next(&mut self) -> Option<&'a V> { self.inner.next() }
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:851:49
[INFO] [stdout]     |
[INFO] [stdout] 851 |     #[inline] fn next_back(&mut self) -> Option<(&'a V)> { self.inner.next_back() }
[INFO] [stdout]     |                                                 ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 851 -     #[inline] fn next_back(&mut self) -> Option<(&'a V)> { self.inner.next_back() }
[INFO] [stdout] 851 +     #[inline] fn next_back(&mut self) -> Option<&'a V> { self.inner.next_back() }
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:175:57
[INFO] [stdout]     |
[INFO] [stdout] 175 |                 self.head = Box::into_raw(Box::new(mem::uninitialized()));
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: extern crate `terminal_linked_hash_map` is private, and cannot be re-exported (error E0365), consider declaring with `pub`
[INFO] [stdout]  --> tests/test.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use terminal_linked_hash_map as linked_hash_map;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(pub_use_of_private_extern_crate)]` 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 a future release!
[INFO] [stdout]   = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:31:27
[INFO] [stdout]    |
[INFO] [stdout] 31 | #![cfg_attr(test, feature(test))]
[INFO] [stdout]    |                           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `terminal-linked-hash-map` due to 2 previous errors; 5 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "fce741a76fdb6f9dd6ad585a06380ae37a1ac34c6cf6b86b1705076556392b0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fce741a76fdb6f9dd6ad585a06380ae37a1ac34c6cf6b86b1705076556392b0d", kill_on_drop: false }`
[INFO] [stdout] fce741a76fdb6f9dd6ad585a06380ae37a1ac34c6cf6b86b1705076556392b0d