[INFO] crate terminal-linked-hash-map 0.1.0 is already in cache
[INFO] testing terminal-linked-hash-map-0.1.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate terminal-linked-hash-map 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate terminal-linked-hash-map 0.1.0 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-12/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 58991e7768112522fc32361318bfbd2600136745c59917eaae71d7e6c7ff9ee4
[INFO] running `"docker" "start" "-a" "58991e7768112522fc32361318bfbd2600136745c59917eaae71d7e6c7ff9ee4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling terminal-linked-hash-map v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:822:44
[INFO] [stderr]     |
[INFO] [stderr] 822 |     #[inline] fn next(&mut self) -> Option<(&'a K)> { self.inner.next() }
[INFO] [stderr]     |                                            ^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:827:49
[INFO] [stderr]     |
[INFO] [stderr] 827 |     #[inline] fn next_back(&mut self) -> Option<(&'a K)> { self.inner.next_back() }
[INFO] [stderr]     |                                                 ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:846:44
[INFO] [stderr]     |
[INFO] [stderr] 846 |     #[inline] fn next(&mut self) -> Option<(&'a V)> { self.inner.next() }
[INFO] [stderr]     |                                            ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:851:49
[INFO] [stderr]     |
[INFO] [stderr] 851 |     #[inline] fn next_back(&mut self) -> Option<(&'a V)> { self.inner.next_back() }
[INFO] [stderr]     |                                                 ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:175:52
[INFO] [stderr]     |
[INFO] [stderr] 175 |                 self.head = Box::into_raw(Box::new(mem::uninitialized()));
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `"docker" "inspect" "58991e7768112522fc32361318bfbd2600136745c59917eaae71d7e6c7ff9ee4"`
[INFO] running `"docker" "rm" "-f" "58991e7768112522fc32361318bfbd2600136745c59917eaae71d7e6c7ff9ee4"`
[INFO] [stdout] 58991e7768112522fc32361318bfbd2600136745c59917eaae71d7e6c7ff9ee4
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 97fc24a0e74cdc619f90a0b493aa83921c52dad1179d794779ef44cd391dc980
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "97fc24a0e74cdc619f90a0b493aa83921c52dad1179d794779ef44cd391dc980"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling terminal-linked-hash-map v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:822:44
[INFO] [stderr]     |
[INFO] [stderr] 822 |     #[inline] fn next(&mut self) -> Option<(&'a K)> { self.inner.next() }
[INFO] [stderr]     |                                            ^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:827:49
[INFO] [stderr]     |
[INFO] [stderr] 827 |     #[inline] fn next_back(&mut self) -> Option<(&'a K)> { self.inner.next_back() }
[INFO] [stderr]     |                                                 ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:846:44
[INFO] [stderr]     |
[INFO] [stderr] 846 |     #[inline] fn next(&mut self) -> Option<(&'a V)> { self.inner.next() }
[INFO] [stderr]     |                                            ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:851:49
[INFO] [stderr]     |
[INFO] [stderr] 851 |     #[inline] fn next_back(&mut self) -> Option<(&'a V)> { self.inner.next_back() }
[INFO] [stderr]     |                                                 ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:175:52
[INFO] [stderr]     |
[INFO] [stderr] 175 |                 self.head = Box::into_raw(Box::new(mem::uninitialized()));
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: extern crate `terminal_linked_hash_map` is private, and cannot be re-exported (error E0365), consider declaring with `pub`
[INFO] [stderr]  --> tests/test.rs:3:9
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub use terminal_linked_hash_map as linked_hash_map;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(pub_use_of_private_extern_crate)]` on by default
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]   = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]   --> src/lib.rs:31:19
[INFO] [stderr]    |
[INFO] [stderr] 31 | #![cfg_attr(test, feature(test))]
[INFO] [stderr]    |                   ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:822:44
[INFO] [stderr]     |
[INFO] [stderr] 822 |     #[inline] fn next(&mut self) -> Option<(&'a K)> { self.inner.next() }
[INFO] [stderr]     |                                            ^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:827:49
[INFO] [stderr]     |
[INFO] [stderr] 827 |     #[inline] fn next_back(&mut self) -> Option<(&'a K)> { self.inner.next_back() }
[INFO] [stderr]     |                                                 ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:846:44
[INFO] [stderr]     |
[INFO] [stderr] 846 |     #[inline] fn next(&mut self) -> Option<(&'a V)> { self.inner.next() }
[INFO] [stderr]     |                                            ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:851:49
[INFO] [stderr]     |
[INFO] [stderr] 851 |     #[inline] fn next_back(&mut self) -> Option<(&'a V)> { self.inner.next_back() }
[INFO] [stderr]     |                                                 ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:175:52
[INFO] [stderr]     |
[INFO] [stderr] 175 |                 self.head = Box::into_raw(Box::new(mem::uninitialized()));
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `terminal-linked-hash-map`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "97fc24a0e74cdc619f90a0b493aa83921c52dad1179d794779ef44cd391dc980"`
[INFO] running `"docker" "rm" "-f" "97fc24a0e74cdc619f90a0b493aa83921c52dad1179d794779ef44cd391dc980"`
[INFO] [stdout] 97fc24a0e74cdc619f90a0b493aa83921c52dad1179d794779ef44cd391dc980