[INFO] fetching crate ccl-crossbeam-epoch 0.7.4...
[INFO] checking ccl-crossbeam-epoch-0.7.4 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate ccl-crossbeam-epoch 0.7.4 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate ccl-crossbeam-epoch 0.7.4 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "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-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 18 packages to latest compatible versions
[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" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 78a3a0905ec3b239152d72f9c2c0dba87b980fc15423017987dc5190d8a5178c
[INFO] running `Command { std: "docker" "start" "-a" "78a3a0905ec3b239152d72f9c2c0dba87b980fc15423017987dc5190d8a5178c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78a3a0905ec3b239152d72f9c2c0dba87b980fc15423017987dc5190d8a5178c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78a3a0905ec3b239152d72f9c2c0dba87b980fc15423017987dc5190d8a5178c", kill_on_drop: false }`
[INFO] [stdout] 78a3a0905ec3b239152d72f9c2c0dba87b980fc15423017987dc5190d8a5178c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2bd8938295c0a8dd16d0694015bda25524c08cec41e8f8e28ab761b09a614ebd
[INFO] running `Command { std: "docker" "start" "-a" "2bd8938295c0a8dd16d0694015bda25524c08cec41e8f8e28ab761b09a614ebd", kill_on_drop: false }`
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[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] [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/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] 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[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: 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: aborting due to 2 previous errors
[INFO] [stdout] 
[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] [stderr] error: could not compile `ccl-crossbeam-epoch` (bench "pin") due to 2 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` (example "treiber_stack") due to 3 previous errors
[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: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] [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" "2bd8938295c0a8dd16d0694015bda25524c08cec41e8f8e28ab761b09a614ebd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bd8938295c0a8dd16d0694015bda25524c08cec41e8f8e28ab761b09a614ebd", kill_on_drop: false }`
[INFO] [stdout] 2bd8938295c0a8dd16d0694015bda25524c08cec41e8f8e28ab761b09a614ebd
