[INFO] fetching crate ccl-crossbeam-epoch 0.7.4...
[INFO] checking ccl-crossbeam-epoch-0.7.4 against master#b3bd7058c139e71bae0862ef8f8ac936208873e9 for pr-123752
[INFO] extracting crate ccl-crossbeam-epoch 0.7.4 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate ccl-crossbeam-epoch 0.7.4 on toolchain b3bd7058c139e71bae0862ef8f8ac936208873e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ccl-crossbeam-epoch 0.7.4
[INFO] finished tweaking crates.io crate ccl-crossbeam-epoch 0.7.4
[INFO] tweaked toml for crates.io crate ccl-crossbeam-epoch 0.7.4 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 18 packages
[INFO] [stderr]       Adding arrayvec v0.4.12 (latest: v0.7.4)
[INFO] [stderr]       Adding cfg-if v0.1.10 (latest: v1.0.0)
[INFO] [stderr]       Adding crossbeam-utils v0.6.6 (latest: v0.8.19)
[INFO] [stderr]       Adding getrandom v0.1.16 (latest: v0.2.14)
[INFO] [stderr]       Adding memoffset v0.5.6 (latest: v0.9.1)
[INFO] [stderr]       Adding rand v0.7.3 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_chacha v0.2.2 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_core v0.5.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_hc v0.2.0 (latest: v0.3.2)
[INFO] [stderr]       Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 79ea68e22b712928e480c55e2807c8fe13ae140cc7eff12026030814d64df20c
[INFO] running `Command { std: "docker" "start" "-a" "79ea68e22b712928e480c55e2807c8fe13ae140cc7eff12026030814d64df20c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79ea68e22b712928e480c55e2807c8fe13ae140cc7eff12026030814d64df20c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79ea68e22b712928e480c55e2807c8fe13ae140cc7eff12026030814d64df20c", kill_on_drop: false }`
[INFO] [stdout] 79ea68e22b712928e480c55e2807c8fe13ae140cc7eff12026030814d64df20c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48d0b88743bee3ca3c674286221869e5c8b5d6c0dbcbb33da1a7539a83ab1b00
[INFO] running `Command { std: "docker" "start" "-a" "48d0b88743bee3ca3c674286221869e5c8b5d6c0dbcbb33da1a7539a83ab1b00", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking ccl-crossbeam-epoch v0.7.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/sync/list.rs:70:17
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn entry_of(&T) -> &Entry;
[INFO] [stdout]    |                 ^^ help: try naming the parameter or explicitly ignoring it: `_: &T`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/sync/list.rs:83:26
[INFO] [stdout]    |
[INFO] [stdout] 83 |     unsafe fn element_of(&Entry) -> &T;
[INFO] [stdout]    |                          ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Entry`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/sync/list.rs:91:24
[INFO] [stdout]    |
[INFO] [stdout] 91 |     unsafe fn finalize(&Entry);
[INFO] [stdout]    |                        ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Entry`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/deferred.rs:40:43
[INFO] [stdout]    |
[INFO] [stdout] 40 |                 let mut data: Data = mem::uninitialized();
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/deferred.rs:55:43
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 let mut data: Data = mem::uninitialized();
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/sync/queue.rs:50:33
[INFO] [stdout]    |
[INFO] [stdout] 50 |             data: unsafe { mem::uninitialized() },
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/epoch.rs:112:30
[INFO] [stdout]     |
[INFO] [stdout] 112 |         let data = self.data.compare_and_swap(current.data, new.data, ord);
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `bag` is never read
[INFO] [stdout]    --> src/internal.rs:114:5
[INFO] [stdout]     |
[INFO] [stdout] 112 | struct SealedBag {
[INFO] [stdout]     |        --------- field in this struct
[INFO] [stdout] 113 |     epoch: Epoch,
[INFO] [stdout] 114 |     bag: Bag,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SealedBag` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[usize; 3]` does not permit being left uninitialized
[INFO] [stdout]   --> src/deferred.rs:40:38
[INFO] [stdout]    |
[INFO] [stdout] 40 |                 let mut data: Data = mem::uninitialized();
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                      |
[INFO] [stdout]    |                                      this code causes undefined behavior when executed
[INFO] [stdout]    |                                      help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: integers must be initialized
[INFO] [stdout]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[usize; 3]` does not permit being left uninitialized
[INFO] [stdout]   --> src/deferred.rs:55:38
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 let mut data: Data = mem::uninitialized();
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                      |
[INFO] [stdout]    |                                      this code causes undefined behavior when executed
[INFO] [stdout]    |                                      help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stdout] error[E0463]: can't find crate for `crossbeam_epoch`
[INFO] [stdout]  --> benches/pin.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate crossbeam_epoch as epoch;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `crossbeam_epoch`
[INFO] [stdout]  --> benches/flush.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate crossbeam_epoch as epoch;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `crossbeam_epoch`
[INFO] [stdout]  --> benches/defer.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate crossbeam_epoch as epoch;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `crossbeam_epoch`
[INFO] [stdout]  --> examples/sanitize.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate crossbeam_epoch as epoch;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `crossbeam_epoch`
[INFO] [stdout]  --> examples/treiber_stack.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate crossbeam_epoch as epoch;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> examples/treiber_stack.rs:90:15
[INFO] [stdout]    |
[INFO] [stdout] 90 |         while self.pop().is_some() {}
[INFO] [stdout]    |               ^^^^^^^^^^ cannot infer type for type parameter `T`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> examples/treiber_stack.rs:102:29
[INFO] [stdout]     |
[INFO] [stdout] 102 |                     assert!(stack.pop().is_some());
[INFO] [stdout]     |                             ^^^^^^^^^^^ cannot infer type for type parameter `T`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ccl-crossbeam-epoch` (bench "pin") due to 2 previous errors
[INFO] [stdout] Some errors have detailed explanations: E0282, E0463.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ccl-crossbeam-epoch` (bench "flush") due to 2 previous errors
[INFO] [stderr] error: could not compile `ccl-crossbeam-epoch` (bench "defer") due to 2 previous errors
[INFO] [stderr] error: could not compile `ccl-crossbeam-epoch` (example "treiber_stack") due to 4 previous errors
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/sync/list.rs:70:17
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn entry_of(&T) -> &Entry;
[INFO] [stdout]    |                 ^^ help: try naming the parameter or explicitly ignoring it: `_: &T`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/sync/list.rs:83:26
[INFO] [stdout]    |
[INFO] [stdout] 83 |     unsafe fn element_of(&Entry) -> &T;
[INFO] [stdout]    |                          ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Entry`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/sync/list.rs:91:24
[INFO] [stdout]    |
[INFO] [stdout] 91 |     unsafe fn finalize(&Entry);
[INFO] [stdout]    |                        ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Entry`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ccl-crossbeam-epoch` (example "sanitize") due to 2 previous errors
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/deferred.rs:40:43
[INFO] [stdout]    |
[INFO] [stdout] 40 |                 let mut data: Data = mem::uninitialized();
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/deferred.rs:55:43
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 let mut data: Data = mem::uninitialized();
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/sync/queue.rs:50:33
[INFO] [stdout]    |
[INFO] [stdout] 50 |             data: unsafe { mem::uninitialized() },
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/epoch.rs:112:30
[INFO] [stdout]     |
[INFO] [stdout] 112 |         let data = self.data.compare_and_swap(current.data, new.data, ord);
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/collector.rs:270:21
[INFO] [stdout]     |
[INFO] [stdout] 270 |         struct Elem(i32);
[INFO] [stdout]     |                ---- ^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 270 |         struct Elem(());
[INFO] [stdout]     |                     ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/collector.rs:331:21
[INFO] [stdout]     |
[INFO] [stdout] 331 |         struct Elem(i32);
[INFO] [stdout]     |                ---- ^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                field in this struct
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 331 |         struct Elem(());
[INFO] [stdout]     |                     ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/collector.rs:404:21
[INFO] [stdout]     |
[INFO] [stdout] 404 |         struct Elem(i32);
[INFO] [stdout]     |                ---- ^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                field in this struct
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 404 |         struct Elem(());
[INFO] [stdout]     |                     ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `bag` is never read
[INFO] [stdout]    --> src/internal.rs:114:5
[INFO] [stdout]     |
[INFO] [stdout] 112 | struct SealedBag {
[INFO] [stdout]     |        --------- field in this struct
[INFO] [stdout] 113 |     epoch: Epoch,
[INFO] [stdout] 114 |     bag: Bag,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SealedBag` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[usize; 3]` does not permit being left uninitialized
[INFO] [stdout]   --> src/deferred.rs:40:38
[INFO] [stdout]    |
[INFO] [stdout] 40 |                 let mut data: Data = mem::uninitialized();
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                      |
[INFO] [stdout]    |                                      this code causes undefined behavior when executed
[INFO] [stdout]    |                                      help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: integers must be initialized
[INFO] [stdout]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[usize; 3]` does not permit being left uninitialized
[INFO] [stdout]   --> src/deferred.rs:55:38
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 let mut data: Data = mem::uninitialized();
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                      |
[INFO] [stdout]    |                                      this code causes undefined behavior when executed
[INFO] [stdout]    |                                      help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]   --> src/deferred.rs:91:13
[INFO] [stdout]    |
[INFO] [stdout] 91 |             drop(a);
[INFO] [stdout]    |             ^^^^^-^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  argument has type `[usize; 1]`
[INFO] [stdout]    |
[INFO] [stdout]    = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/deferred.rs:106:13
[INFO] [stdout]     |
[INFO] [stdout] 106 |             drop(a);
[INFO] [stdout]     |             ^^^^^-^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  argument has type `[usize; 10]`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "48d0b88743bee3ca3c674286221869e5c8b5d6c0dbcbb33da1a7539a83ab1b00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48d0b88743bee3ca3c674286221869e5c8b5d6c0dbcbb33da1a7539a83ab1b00", kill_on_drop: false }`
[INFO] [stdout] 48d0b88743bee3ca3c674286221869e5c8b5d6c0dbcbb33da1a7539a83ab1b00
[INFO] checking ccl-crossbeam-epoch-0.7.4 against try#57fe1b734d9ff1c8a92bda60b85506b9648158d3 for pr-123752
[INFO] extracting crate ccl-crossbeam-epoch 0.7.4 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate ccl-crossbeam-epoch 0.7.4 on toolchain 57fe1b734d9ff1c8a92bda60b85506b9648158d3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ccl-crossbeam-epoch 0.7.4
[INFO] finished tweaking crates.io crate ccl-crossbeam-epoch 0.7.4
[INFO] tweaked toml for crates.io crate ccl-crossbeam-epoch 0.7.4 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 18 packages
[INFO] [stderr]       Adding arrayvec v0.4.12 (latest: v0.7.4)
[INFO] [stderr]       Adding cfg-if v0.1.10 (latest: v1.0.0)
[INFO] [stderr]       Adding crossbeam-utils v0.6.6 (latest: v0.8.19)
[INFO] [stderr]       Adding getrandom v0.1.16 (latest: v0.2.14)
[INFO] [stderr]       Adding memoffset v0.5.6 (latest: v0.9.1)
[INFO] [stderr]       Adding rand v0.7.3 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_chacha v0.2.2 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_core v0.5.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_hc v0.2.0 (latest: v0.3.2)
[INFO] [stderr]       Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da30ed163e6aed4e24feeae6cc0a53045e1ed12b2f4714283f44699d38ea928f
[INFO] running `Command { std: "docker" "start" "-a" "da30ed163e6aed4e24feeae6cc0a53045e1ed12b2f4714283f44699d38ea928f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da30ed163e6aed4e24feeae6cc0a53045e1ed12b2f4714283f44699d38ea928f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da30ed163e6aed4e24feeae6cc0a53045e1ed12b2f4714283f44699d38ea928f", kill_on_drop: false }`
[INFO] [stdout] da30ed163e6aed4e24feeae6cc0a53045e1ed12b2f4714283f44699d38ea928f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 601728da82d93174435483fac38a84ba1e475834b2cf00e04369206dad01794b
[INFO] running `Command { std: "docker" "start" "-a" "601728da82d93174435483fac38a84ba1e475834b2cf00e04369206dad01794b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking ccl-crossbeam-epoch v0.7.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/sync/list.rs:70:17
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn entry_of(&T) -> &Entry;
[INFO] [stdout]    |                 ^^ help: try naming the parameter or explicitly ignoring it: `_: &T`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/sync/list.rs:83:26
[INFO] [stdout]    |
[INFO] [stdout] 83 |     unsafe fn element_of(&Entry) -> &T;
[INFO] [stdout]    |                          ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Entry`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/sync/list.rs:91:24
[INFO] [stdout]    |
[INFO] [stdout] 91 |     unsafe fn finalize(&Entry);
[INFO] [stdout]    |                        ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Entry`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/deferred.rs:40:43
[INFO] [stdout]    |
[INFO] [stdout] 40 |                 let mut data: Data = mem::uninitialized();
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/deferred.rs:55:43
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 let mut data: Data = mem::uninitialized();
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/sync/queue.rs:50:33
[INFO] [stdout]    |
[INFO] [stdout] 50 |             data: unsafe { mem::uninitialized() },
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/epoch.rs:112:30
[INFO] [stdout]     |
[INFO] [stdout] 112 |         let data = self.data.compare_and_swap(current.data, new.data, ord);
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `bag` is never read
[INFO] [stdout]    --> src/internal.rs:114:5
[INFO] [stdout]     |
[INFO] [stdout] 112 | struct SealedBag {
[INFO] [stdout]     |        --------- field in this struct
[INFO] [stdout] 113 |     epoch: Epoch,
[INFO] [stdout] 114 |     bag: Bag,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SealedBag` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[usize; 3]` does not permit being left uninitialized
[INFO] [stdout]   --> src/deferred.rs:40:38
[INFO] [stdout]    |
[INFO] [stdout] 40 |                 let mut data: Data = mem::uninitialized();
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                      |
[INFO] [stdout]    |                                      this code causes undefined behavior when executed
[INFO] [stdout]    |                                      help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: integers must be initialized
[INFO] [stdout]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[usize; 3]` does not permit being left uninitialized
[INFO] [stdout]   --> src/deferred.rs:55:38
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 let mut data: Data = mem::uninitialized();
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                      |
[INFO] [stdout]    |                                      this code causes undefined behavior when executed
[INFO] [stdout]    |                                      help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stdout] error[E0463]: can't find crate for `crossbeam_epoch`
[INFO] [stdout]  --> benches/pin.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate crossbeam_epoch as epoch;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `crossbeam_epoch`
[INFO] [stdout]  --> examples/sanitize.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate crossbeam_epoch as epoch;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `crossbeam_epoch`
[INFO] [stdout]  --> benches/defer.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate crossbeam_epoch as epoch;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `crossbeam_epoch`
[INFO] [stdout]  --> examples/treiber_stack.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate crossbeam_epoch as epoch;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `crossbeam_epoch`
[INFO] [stdout]  --> benches/flush.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate crossbeam_epoch as epoch;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/sync/list.rs:70:17
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn entry_of(&T) -> &Entry;
[INFO] [stdout]    |                 ^^ help: try naming the parameter or explicitly ignoring it: `_: &T`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/sync/list.rs:83:26
[INFO] [stdout]    |
[INFO] [stdout] 83 |     unsafe fn element_of(&Entry) -> &T;
[INFO] [stdout]    |                          ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Entry`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> examples/treiber_stack.rs:90:15
[INFO] [stdout]    |
[INFO] [stdout] 90 |         while self.pop().is_some() {}
[INFO] [stdout]    |               ^^^^^^^^^^ cannot infer type for type parameter `T`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/sync/list.rs:91:24
[INFO] [stdout]    |
[INFO] [stdout] 91 |     unsafe fn finalize(&Entry);
[INFO] [stdout]    |                        ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Entry`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> examples/treiber_stack.rs:102:29
[INFO] [stdout]     |
[INFO] [stdout] 102 |                     assert!(stack.pop().is_some());
[INFO] [stdout]     |                             ^^^^^^^^^^^ cannot infer type for type parameter `T`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0463.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ccl-crossbeam-epoch` (example "treiber_stack") due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `ccl-crossbeam-epoch` (bench "flush") due to 2 previous errors
[INFO] [stderr] error: could not compile `ccl-crossbeam-epoch` (bench "defer") due to 2 previous errors
[INFO] [stderr] error: could not compile `ccl-crossbeam-epoch` (bench "pin") due to 2 previous errors
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/deferred.rs:40:43
[INFO] [stdout]    |
[INFO] [stdout] 40 |                 let mut data: Data = mem::uninitialized();
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/deferred.rs:55:43
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 let mut data: Data = mem::uninitialized();
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/sync/queue.rs:50:33
[INFO] [stdout]    |
[INFO] [stdout] 50 |             data: unsafe { mem::uninitialized() },
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ccl-crossbeam-epoch` (example "sanitize") due to 2 previous errors
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/epoch.rs:112:30
[INFO] [stdout]     |
[INFO] [stdout] 112 |         let data = self.data.compare_and_swap(current.data, new.data, ord);
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/collector.rs:270:21
[INFO] [stdout]     |
[INFO] [stdout] 270 |         struct Elem(i32);
[INFO] [stdout]     |                ---- ^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 270 |         struct Elem(());
[INFO] [stdout]     |                     ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/collector.rs:331:21
[INFO] [stdout]     |
[INFO] [stdout] 331 |         struct Elem(i32);
[INFO] [stdout]     |                ---- ^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                field in this struct
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 331 |         struct Elem(());
[INFO] [stdout]     |                     ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/collector.rs:404:21
[INFO] [stdout]     |
[INFO] [stdout] 404 |         struct Elem(i32);
[INFO] [stdout]     |                ---- ^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                field in this struct
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 404 |         struct Elem(());
[INFO] [stdout]     |                     ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `bag` is never read
[INFO] [stdout]    --> src/internal.rs:114:5
[INFO] [stdout]     |
[INFO] [stdout] 112 | struct SealedBag {
[INFO] [stdout]     |        --------- field in this struct
[INFO] [stdout] 113 |     epoch: Epoch,
[INFO] [stdout] 114 |     bag: Bag,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SealedBag` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[usize; 3]` does not permit being left uninitialized
[INFO] [stdout]   --> src/deferred.rs:40:38
[INFO] [stdout]    |
[INFO] [stdout] 40 |                 let mut data: Data = mem::uninitialized();
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                      |
[INFO] [stdout]    |                                      this code causes undefined behavior when executed
[INFO] [stdout]    |                                      help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: integers must be initialized
[INFO] [stdout]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[usize; 3]` does not permit being left uninitialized
[INFO] [stdout]   --> src/deferred.rs:55:38
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 let mut data: Data = mem::uninitialized();
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                      |
[INFO] [stdout]    |                                      this code causes undefined behavior when executed
[INFO] [stdout]    |                                      help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]   --> src/deferred.rs:91:13
[INFO] [stdout]    |
[INFO] [stdout] 91 |             drop(a);
[INFO] [stdout]    |             ^^^^^-^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  argument has type `[usize; 1]`
[INFO] [stdout]    |
[INFO] [stdout]    = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/deferred.rs:106:13
[INFO] [stdout]     |
[INFO] [stdout] 106 |             drop(a);
[INFO] [stdout]     |             ^^^^^-^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  argument has type `[usize; 10]`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "601728da82d93174435483fac38a84ba1e475834b2cf00e04369206dad01794b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "601728da82d93174435483fac38a84ba1e475834b2cf00e04369206dad01794b", kill_on_drop: false }`
[INFO] [stdout] 601728da82d93174435483fac38a84ba1e475834b2cf00e04369206dad01794b
