[INFO] fetching crate zerocopy 0.8.48...
[INFO] checking zerocopy-0.8.48 against master#8317fef20409adedaa7c385fa6e954867bf626fc for pr-154149-1
[INFO] extracting crate zerocopy 0.8.48 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate zerocopy 0.8.48
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate zerocopy 0.8.48
[INFO] tweaked toml for crates.io crate zerocopy 0.8.48 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate zerocopy 0.8.48 on toolchain 8317fef20409adedaa7c385fa6e954867bf626fc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8317fef20409adedaa7c385fa6e954867bf626fc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate zerocopy 0.8.48 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" "+8317fef20409adedaa7c385fa6e954867bf626fc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded elain v0.3.1
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.48
[INFO] [stderr]   Downloaded proc-macro2 v1.0.80
[INFO] [stderr]   Downloaded memchr v2.5.0
[INFO] [stderr]   Downloaded aho-corasick v0.7.20
[INFO] [stderr]   Downloaded regex v1.7.3
[INFO] [stderr]   Downloaded syn v2.0.56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8317fef20409adedaa7c385fa6e954867bf626fc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6710eeb2afb71977ac78c0e6b0d11ea93ecd192560dd004e153c0a859d7febed
[INFO] running `Command { std: "docker" "start" "-a" "6710eeb2afb71977ac78c0e6b0d11ea93ecd192560dd004e153c0a859d7febed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6710eeb2afb71977ac78c0e6b0d11ea93ecd192560dd004e153c0a859d7febed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6710eeb2afb71977ac78c0e6b0d11ea93ecd192560dd004e153c0a859d7febed", kill_on_drop: false }`
[INFO] [stdout] 6710eeb2afb71977ac78c0e6b0d11ea93ecd192560dd004e153c0a859d7febed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8317fef20409adedaa7c385fa6e954867bf626fc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d1712a4428b5ba4e0ca5a3de7389208b6134522d78b1e6f19fe90521054d09a
[INFO] running `Command { std: "docker" "start" "-a" "9d1712a4428b5ba4e0ca5a3de7389208b6134522d78b1e6f19fe90521054d09a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.80
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]    Compiling zerocopy v0.8.48 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]     Checking elain v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.56
[INFO] [stderr]     Checking regex v1.7.3
[INFO] [stderr]    Compiling zerocopy-derive v0.8.48
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> benches/formats/coco_dynamic_size.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | /// Packet begins with bytes 0xC0C0.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> benches/formats/coco_dynamic_size.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | /// Packet begins with any two bytes.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> benches/formats/coco_static_size.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | /// Packet begins with bytes 0xC0C0.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> benches/formats/coco_static_size.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | /// Packet begins with any two bytes.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> benches/formats/coco_static_size.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | /// Packet begins with bytes 0xC0C0.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> benches/formats/coco_static_size.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | /// Packet begins with any two bytes.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> benches/formats/coco_static_size.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | /// Packet begins with bytes 0xC0C0.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> benches/formats/coco_static_size.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | /// Packet begins with any two bytes.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> benches/formats/coco_dynamic_size.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | /// Packet begins with bytes 0xC0C0.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> benches/formats/coco_dynamic_size.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | /// Packet begins with any two bytes.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> benches/formats/coco_static_size.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | /// Packet begins with bytes 0xC0C0.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> benches/formats/coco_static_size.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | /// Packet begins with any two bytes.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> benches/formats/coco_dynamic_size.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | /// Packet begins with bytes 0xC0C0.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> benches/formats/coco_dynamic_size.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | /// Packet begins with any two bytes.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> benches/formats/coco_dynamic_size.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | /// Packet begins with bytes 0xC0C0.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> benches/formats/coco_dynamic_size.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | /// Packet begins with any two bytes.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LocoPacket` is never constructed
[INFO] [stdout]   --> benches/formats/coco_dynamic_size.rs:27:16
[INFO] [stdout]    |
[INFO] [stdout] 27 | define_packet!(LocoPacket, FromBytes, [u8; 2]);
[INFO] [stdout]    |                ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `define_packet` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> benches/insert_vec_zeroed.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     FromZeros::insert_vec_zeroed(v, position, additional).ok()
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: you can add the `dyn` keyword if you want a trait object
[INFO] [stdout]    |
[INFO] [stdout] 12 |     <dyn FromZeros>::insert_vec_zeroed(v, position, additional).ok()
[INFO] [stdout]    |     ++++          +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `C0C0` is never used
[INFO] [stdout]  --> benches/formats/coco_static_size.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum C0C0 {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CocoPacket` is never constructed
[INFO] [stdout]   --> benches/formats/coco_static_size.rs:24:16
[INFO] [stdout]    |
[INFO] [stdout] 24 | define_packet!(CocoPacket, TryFromBytes, C0C0);
[INFO] [stdout]    |                ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `define_packet` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `C0C0` is never used
[INFO] [stdout]  --> benches/formats/coco_static_size.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum C0C0 {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CocoPacket` is never constructed
[INFO] [stdout]   --> benches/formats/coco_static_size.rs:24:16
[INFO] [stdout]    |
[INFO] [stdout] 24 | define_packet!(CocoPacket, TryFromBytes, C0C0);
[INFO] [stdout]    |                ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `define_packet` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `C0C0` is never used
[INFO] [stdout]  --> benches/formats/coco_static_size.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum C0C0 {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CocoPacket` is never constructed
[INFO] [stdout]   --> benches/formats/coco_static_size.rs:24:16
[INFO] [stdout]    |
[INFO] [stdout] 24 | define_packet!(CocoPacket, TryFromBytes, C0C0);
[INFO] [stdout]    |                ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `define_packet` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0782`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zerocopy` (bench "insert_vec_zeroed") due to 1 previous error; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> benches/formats/coco_dynamic_size.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | /// Packet begins with bytes 0xC0C0.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> benches/formats/coco_dynamic_size.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | /// Packet begins with any two bytes.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LocoPacket` is never constructed
[INFO] [stdout]   --> benches/formats/coco_dynamic_size.rs:27:16
[INFO] [stdout]    |
[INFO] [stdout] 27 | define_packet!(LocoPacket, FromBytes, [u8; 2]);
[INFO] [stdout]    |                ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `define_packet` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LocoPacket` is never constructed
[INFO] [stdout]   --> benches/formats/coco_dynamic_size.rs:27:16
[INFO] [stdout]    |
[INFO] [stdout] 27 | define_packet!(LocoPacket, FromBytes, [u8; 2]);
[INFO] [stdout]    |                ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `define_packet` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LocoPacket` is never constructed
[INFO] [stdout]   --> benches/formats/coco_dynamic_size.rs:27:16
[INFO] [stdout]    |
[INFO] [stdout] 27 | define_packet!(LocoPacket, FromBytes, [u8; 2]);
[INFO] [stdout]    |                ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `define_packet` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> benches/formats/coco_dynamic_size.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | /// Packet begins with bytes 0xC0C0.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> benches/formats/coco_dynamic_size.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | /// Packet begins with any two bytes.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> benches/formats/coco_dynamic_size.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | /// Packet begins with bytes 0xC0C0.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> benches/formats/coco_dynamic_size.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | /// Packet begins with any two bytes.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> benches/new_box_zeroed_with_elems_dynamic_padding.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     FromZeros::new_box_zeroed_with_elems(count).ok()
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: you can add the `dyn` keyword if you want a trait object
[INFO] [stdout]    |
[INFO] [stdout] 10 |     <dyn FromZeros>::new_box_zeroed_with_elems(count).ok()
[INFO] [stdout]    |     ++++          +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0782`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zerocopy` (bench "new_box_zeroed_with_elems_dynamic_padding") due to 1 previous error
[INFO] [stdout] warning: struct `LocoPacket` is never constructed
[INFO] [stdout]   --> benches/formats/coco_dynamic_size.rs:27:16
[INFO] [stdout]    |
[INFO] [stdout] 27 | define_packet!(LocoPacket, FromBytes, [u8; 2]);
[INFO] [stdout]    |                ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `define_packet` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LocoPacket` is never constructed
[INFO] [stdout]   --> benches/formats/coco_dynamic_size.rs:27:16
[INFO] [stdout]    |
[INFO] [stdout] 27 | define_packet!(LocoPacket, FromBytes, [u8; 2]);
[INFO] [stdout]    |                ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `define_packet` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LocoPacket` is never constructed
[INFO] [stdout]   --> benches/formats/coco_dynamic_size.rs:27:16
[INFO] [stdout]    |
[INFO] [stdout] 27 | define_packet!(LocoPacket, FromBytes, [u8; 2]);
[INFO] [stdout]    |                ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `define_packet` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9d1712a4428b5ba4e0ca5a3de7389208b6134522d78b1e6f19fe90521054d09a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d1712a4428b5ba4e0ca5a3de7389208b6134522d78b1e6f19fe90521054d09a", kill_on_drop: false }`
[INFO] [stdout] 9d1712a4428b5ba4e0ca5a3de7389208b6134522d78b1e6f19fe90521054d09a