[INFO] crate swym 0.1.0-preview is already in cache
[INFO] checking swym-0.1.0-preview against try#d27c6c6a469a28343396a8f3ac1c9d403aabda69 for pr-66037
[INFO] extracting crate swym 0.1.0-preview into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate swym 0.1.0-preview on toolchain d27c6c6a469a28343396a8f3ac1c9d403aabda69
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate swym 0.1.0-preview
[INFO] finished tweaking crates.io crate swym 0.1.0-preview
[INFO] tweaked toml for crates.io crate swym 0.1.0-preview written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=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" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b83727b97157f91af53bd435cf76fb4d226974e1804c38e22da5d0198fe7e1ea
[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" "b83727b97157f91af53bd435cf76fb4d226974e1804c38e22da5d0198fe7e1ea"`
[INFO] [stderr]    Compiling jemalloc-sys v0.1.8
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking swym v0.1.0-preview (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/internal/pointer.rs:144:28
[INFO] [stderr]     |
[INFO] [stderr] 144 |             let mut u: U = mem::uninitialized();
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/internal/tcell_erased.rs:58:56
[INFO] [stderr]    |
[INFO] [stderr] 58 |             let mut a: UsizeAligned<ManuallyDrop<T>> = mem::uninitialized();
[INFO] [stderr]    |                                                        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/internal/tcell_erased.rs:69:56
[INFO] [stderr]    |
[INFO] [stderr] 69 |             let mut a: UsizeAligned<ManuallyDrop<T>> = mem::uninitialized();
[INFO] [stderr]    |                                                        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/internal/write_log.rs:85:56
[INFO] [stderr]    |
[INFO] [stderr] 85 |         let mut value: UsizeAligned<ManuallyDrop<T>> = mem::uninitialized();
[INFO] [stderr]    |                                                        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/internal/optim.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     unsafe { std::intrinsics::unlikely(b) }
[INFO] [stderr]    |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/internal/optim.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     unsafe { std::intrinsics::likely(b) }
[INFO] [stderr]    |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `non_exhaustive` has been stable since 1.40.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:80:12
[INFO] [stderr]    |
[INFO] [stderr] 80 | #![feature(non_exhaustive)]
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `align_offset` has been stable since 1.36.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:73:12
[INFO] [stderr]    |
[INFO] [stderr] 73 | #![feature(align_offset)]
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Checking jemallocator v0.1.9
[INFO] [stderr] warning: cannot borrow `*tx` as mutable because it is also borrowed as immutable
[INFO] [stderr]   --> tests/tls.rs:15:35
[INFO] [stderr]    |
[INFO] [stderr] 14 |                         let s = tcell.borrow(tx, Ordering::default())?;
[INFO] [stderr]    |                                              -- immutable borrow occurs here
[INFO] [stderr] 15 |                         tcell.set(tx, "more ".to_owned() + &s)?;
[INFO] [stderr]    |                                   ^^                       -- immutable borrow later used here
[INFO] [stderr]    |                                   |
[INFO] [stderr]    |                                   mutable borrow occurs here
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stderr]    = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stderr]    = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/internal/pointer.rs:144:28
[INFO] [stderr]     |
[INFO] [stderr] 144 |             let mut u: U = mem::uninitialized();
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/internal/tcell_erased.rs:58:56
[INFO] [stderr]    |
[INFO] [stderr] 58 |             let mut a: UsizeAligned<ManuallyDrop<T>> = mem::uninitialized();
[INFO] [stderr]    |                                                        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/internal/tcell_erased.rs:69:56
[INFO] [stderr]    |
[INFO] [stderr] 69 |             let mut a: UsizeAligned<ManuallyDrop<T>> = mem::uninitialized();
[INFO] [stderr]    |                                                        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/internal/write_log.rs:85:56
[INFO] [stderr]    |
[INFO] [stderr] 85 |         let mut value: UsizeAligned<ManuallyDrop<T>> = mem::uninitialized();
[INFO] [stderr]    |                                                        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/internal/optim.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     unsafe { std::intrinsics::unlikely(b) }
[INFO] [stderr]    |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/internal/optim.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     unsafe { std::intrinsics::likely(b) }
[INFO] [stderr]    |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `non_exhaustive` has been stable since 1.40.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:80:12
[INFO] [stderr]    |
[INFO] [stderr] 80 | #![feature(non_exhaustive)]
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `align_offset` has been stable since 1.36.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:73:12
[INFO] [stderr]    |
[INFO] [stderr] 73 | #![feature(align_offset)]
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 58s
[INFO] running `"docker" "inspect" "b83727b97157f91af53bd435cf76fb4d226974e1804c38e22da5d0198fe7e1ea"`
[INFO] running `"docker" "rm" "-f" "b83727b97157f91af53bd435cf76fb4d226974e1804c38e22da5d0198fe7e1ea"`
[INFO] [stdout] b83727b97157f91af53bd435cf76fb4d226974e1804c38e22da5d0198fe7e1ea