[INFO] fetching crate sled 0.34.7...
[INFO] checking sled-0.34.7 against master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] extracting crate sled 0.34.7 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate sled 0.34.7 on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sled 0.34.7
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate sled 0.34.7
[INFO] tweaked toml for crates.io crate sled 0.34.7 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate sled 0.34.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: version requirement `0.9.0+zstd.1.5.0` for dependency `zstd` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 208b1dec3e5dfeea7d3791d9a73a0b16ff3886402c54f477e1c66a3a9cdbb507
[INFO] running `Command { std: "docker" "start" "-a" "208b1dec3e5dfeea7d3791d9a73a0b16ff3886402c54f477e1c66a3a9cdbb507", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "208b1dec3e5dfeea7d3791d9a73a0b16ff3886402c54f477e1c66a3a9cdbb507", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "208b1dec3e5dfeea7d3791d9a73a0b16ff3886402c54f477e1c66a3a9cdbb507", kill_on_drop: false }`
[INFO] [stdout] 208b1dec3e5dfeea7d3791d9a73a0b16ff3886402c54f477e1c66a3a9cdbb507
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e4e638907191cb89ba7f6f10bb874216ab045c077b969040099d6b9c029eeed
[INFO] running `Command { std: "docker" "start" "-a" "2e4e638907191cb89ba7f6f10bb874216ab045c077b969040099d6b9c029eeed", kill_on_drop: false }`
[INFO] [stderr] warning: version requirement `0.9.0+zstd.1.5.0` for dependency `zstd` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking sled v0.34.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stdout] error: unnecessary qualification
[INFO] [stdout]    --> src/config.rs:276:15
[INFO] [stdout]     |
[INFO] [stdout] 276 |         <T as std::convert::TryFrom<usize>>::Error: Debug,
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:95:5
[INFO] [stdout]     |
[INFO] [stdout] 95  |     unused_qualifications
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/pagecache/iterator.rs:314:6
[INFO] [stdout]     |
[INFO] [stdout] 314 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/concurrency_control.rs:67:36
[INFO] [stdout]    |
[INFO] [stdout] 67 |                 std::sync::atomic::spin_loop_hint()
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]    --> src/concurrency_control.rs:100:32
[INFO] [stdout]     |
[INFO] [stdout] 100 |             std::sync::atomic::spin_loop_hint()
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `crossbeam_epoch::Atomic::<T>::compare_and_set`: Use `compare_exchange` instead
[INFO] [stdout]    --> src/config.rs:761:35
[INFO] [stdout]     |
[INFO] [stdout] 761 |         let _ = self.global_error.compare_and_set(
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/fastlock.rs:51:37
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let lock_result = self.lock.compare_and_swap(false, true, Acquire);
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/lazy.rs:64:28
[INFO] [stdout]    |
[INFO] [stdout] 64 |         while self.init_mu.compare_and_swap(false, true, SeqCst) {}
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/lru.rs:85:34
[INFO] [stdout]    |
[INFO] [stdout] 85 |                     self.writing.compare_and_swap(head, new, Ordering::Release);
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/lru.rs:103:42
[INFO] [stdout]     |
[INFO] [stdout] 103 |                     ret = self.full_list.compare_and_swap(
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicU64::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/pagecache/iobuf.rs:165:31
[INFO] [stdout]     |
[INFO] [stdout] 165 |         let res = self.header.compare_and_swap(old, new, SeqCst);
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `crossbeam_epoch::Atomic::<T>::compare_and_set`: Use `compare_exchange` instead
[INFO] [stdout]    --> src/pagecache/pagetable.rs:169:31
[INFO] [stdout]     |
[INFO] [stdout] 169 |             let ret = l1[l1k].compare_and_set(
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand_distr v0.3.0
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicI64::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/pagecache/mod.rs:226:31
[INFO] [stdout]     |
[INFO] [stdout] 226 |         let last = atomic_lsn.compare_and_swap(current, to, SeqCst);
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `crossbeam_epoch::Atomic::<T>::compare_and_set`: Use `compare_exchange` instead
[INFO] [stdout]     --> src/pagecache/mod.rs:1090:27
[INFO] [stdout]      |
[INFO] [stdout] 1090 |                 old.entry.compare_and_set(old.read, page_ptr, SeqCst, guard);
[INFO] [stdout]      |                           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `crossbeam_epoch::Atomic::<T>::compare_and_set`: Use `compare_exchange` instead
[INFO] [stdout]     --> src/pagecache/mod.rs:1280:46
[INFO] [stdout]      |
[INFO] [stdout] 1280 |                 let result = page_view.entry.compare_and_set(
[INFO] [stdout]      |                                              ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `crossbeam_epoch::Atomic::<T>::compare_and_set`: Use `compare_exchange` instead
[INFO] [stdout]     --> src/pagecache/mod.rs:1522:27
[INFO] [stdout]      |
[INFO] [stdout] 1522 |                 old.entry.compare_and_set(old.read, page_ptr, SeqCst, guard);
[INFO] [stdout]      |                           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `crossbeam_epoch::Atomic::<T>::compare_and_set`: Use `compare_exchange` instead
[INFO] [stdout]     --> src/pagecache/mod.rs:1747:38
[INFO] [stdout]      |
[INFO] [stdout] 1747 |         let result = page_view.entry.compare_and_set(
[INFO] [stdout]      |                                      ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `crossbeam_epoch::Atomic::<T>::compare_and_set`: Use `compare_exchange` instead
[INFO] [stdout]     --> src/pagecache/mod.rs:1947:26
[INFO] [stdout]      |
[INFO] [stdout] 1947 |                         .compare_and_set(
[INFO] [stdout]      |                          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `crossbeam_epoch::Atomic::<T>::compare_and_set`: Use `compare_exchange` instead
[INFO] [stdout]    --> src/stack.rs:105:30
[INFO] [stdout]     |
[INFO] [stdout] 105 |                 if self.head.compare_and_set(head, node, Release, guard).is_ok()
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicU64::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]     --> src/tree.rs:1552:29
[INFO] [stdout]      |
[INFO] [stdout] 1552 |             while self.root.compare_and_swap(from, new_root_pid, SeqCst) != from
[INFO] [stdout]      |                             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/threadpool.rs:143:18
[INFO] [stdout]     |
[INFO] [stdout] 143 |     if !SPAWNING.compare_and_swap(false, true, SeqCst) {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/threadpool.rs:185:15
[INFO] [stdout]     |
[INFO] [stdout] 185 |         if !E.compare_and_swap(false, true, Relaxed) {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stdout] warning: field `size` is never read
[INFO] [stdout]   --> src/tree.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub(crate) struct View<'g> {
[INFO] [stdout]    |                   ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub size: u64,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `View` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/arc.rs:156:17
[INFO] [stdout]     |
[INFO] [stdout] 156 |                 Box::from_raw(self.ptr);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 156 |                 let _ = Box::from_raw(self.ptr);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/lru.rs:130:13
[INFO] [stdout]     |
[INFO] [stdout] 130 |             Box::from_raw(writing);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 130 |             let _ = Box::from_raw(writing);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/lru.rs:139:17
[INFO] [stdout]     |
[INFO] [stdout] 139 |                 Box::from_raw(head);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 139 |                 let _ = Box::from_raw(head);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr] error: could not compile `sled` (lib) due to 2 previous errors; 24 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2e4e638907191cb89ba7f6f10bb874216ab045c077b969040099d6b9c029eeed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e4e638907191cb89ba7f6f10bb874216ab045c077b969040099d6b9c029eeed", kill_on_drop: false }`
[INFO] [stdout] 2e4e638907191cb89ba7f6f10bb874216ab045c077b969040099d6b9c029eeed
