[INFO] fetching crate bitwrap_extra 2.0.6...
[INFO] testing bitwrap_extra-2.0.6 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate bitwrap_extra 2.0.6 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate bitwrap_extra 2.0.6
[INFO] finished tweaking crates.io crate bitwrap_extra 2.0.6
[INFO] tweaked toml for crates.io crate bitwrap_extra 2.0.6 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate bitwrap_extra 2.0.6 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate bitwrap_extra 2.0.6 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed58f7b7aecae91386909abb9523eaa2f3b2e577fdee36b27b6e19d93312f0d1
[INFO] running `Command { std: "docker" "start" "-a" "ed58f7b7aecae91386909abb9523eaa2f3b2e577fdee36b27b6e19d93312f0d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed58f7b7aecae91386909abb9523eaa2f3b2e577fdee36b27b6e19d93312f0d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed58f7b7aecae91386909abb9523eaa2f3b2e577fdee36b27b6e19d93312f0d1", kill_on_drop: false }`
[INFO] [stdout] ed58f7b7aecae91386909abb9523eaa2f3b2e577fdee36b27b6e19d93312f0d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8fe6728b174504909ad23a062bbc900d22c4330217fc194dddd26c7af41b691
[INFO] running `Command { std: "docker" "start" "-a" "b8fe6728b174504909ad23a062bbc900d22c4330217fc194dddd26c7af41b691", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling bitwrap_derive_extra v2.0.6
[INFO] [stderr]    Compiling bitwrap_extra v2.0.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.07s
[INFO] running `Command { std: "docker" "inspect" "b8fe6728b174504909ad23a062bbc900d22c4330217fc194dddd26c7af41b691", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8fe6728b174504909ad23a062bbc900d22c4330217fc194dddd26c7af41b691", kill_on_drop: false }`
[INFO] [stdout] b8fe6728b174504909ad23a062bbc900d22c4330217fc194dddd26c7af41b691
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d8145dc2c43cdfed5adb8fba410aa038b609b20311201e9f3c1753166657cec
[INFO] running `Command { std: "docker" "start" "-a" "6d8145dc2c43cdfed5adb8fba410aa038b609b20311201e9f3c1753166657cec", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitwrap_extra v2.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] error: cannot find macro `vec` in this scope
[INFO] [stdout]   --> tests/array.rs:13:23
[INFO] [stdout]    |
[INFO] [stdout] 13 |     #[derive(Default, BitWrap)]
[INFO] [stdout]    |                       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `BitWrap` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Vec` in this scope
[INFO] [stdout]   --> tests/array.rs:13:23
[INFO] [stdout]    |
[INFO] [stdout] 13 |     #[derive(Default, BitWrap)]
[INFO] [stdout]    |                       ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `BitWrap` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `vec` in this scope
[INFO] [stdout]   --> tests/convert.rs:56:23
[INFO] [stdout]    |
[INFO] [stdout] 56 |     #[derive(Default, BitWrap)]
[INFO] [stdout]    |                       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `BitWrap` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Vec` in this scope
[INFO] [stdout]   --> tests/convert.rs:56:23
[INFO] [stdout]    |
[INFO] [stdout] 56 |     #[derive(Default, BitWrap)]
[INFO] [stdout]    |                       ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `BitWrap` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this method takes 0 arguments but 1 argument was supplied
[INFO] [stdout]   --> tests/array.rs:30:25
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let result = packet.pack(&mut buffer).unwrap();
[INFO] [stdout]    |                         ^^^^ ----------- unexpected argument of type `&mut [u8; 5]`
[INFO] [stdout]    |
[INFO] [stdout] note: method defined here
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn pack(&self) -> Result<Vec<u8>, BitWrapError>;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] help: remove the extra argument
[INFO] [stdout]    |
[INFO] [stdout] 30 -     let result = packet.pack(&mut buffer).unwrap();
[INFO] [stdout] 30 +     let result = packet.pack().unwrap();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this method takes 0 arguments but 1 argument was supplied
[INFO] [stdout]   --> tests/nested.rs:41:25
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let result = packet.pack(&mut buffer).unwrap();
[INFO] [stdout]    |                         ^^^^ ----------- unexpected argument of type `&mut Vec<u8>`
[INFO] [stdout]    |
[INFO] [stdout] note: method defined here
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn pack(&self) -> Result<Vec<u8>, BitWrapError>;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] help: remove the extra argument
[INFO] [stdout]    |
[INFO] [stdout] 41 -     let result = packet.pack(&mut buffer).unwrap();
[INFO] [stdout] 41 +     let result = packet.pack().unwrap();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: can't compare `alloc::vec::Vec<u8>` with `usize`
[INFO] [stdout]   --> tests/array.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     assert_eq!(result, DATA.len());
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no implementation for `alloc::vec::Vec<u8> == usize`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `PartialEq<usize>` is not implemented for `alloc::vec::Vec<u8>`
[INFO] [stdout] help: the following other types implement trait `PartialEq<Rhs>`
[INFO] [stdout]   --> /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/alloc/src/bstr.rs:667:0
[INFO] [stdout]    |
[INFO] [stdout]    = note: `alloc::vec::Vec<u8>` implements `PartialEq<ByteStr>`
[INFO] [stdout]   ::: /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/alloc/src/bstr.rs:523:0
[INFO] [stdout]    |
[INFO] [stdout]    = note: `alloc::vec::Vec<u8>` implements `PartialEq<alloc::bstr::ByteString>`
[INFO] [stdout]    = note: this error originates in the macro `assert_eq` which comes from the expansion of the macro `impl_partial_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the type `[u8]` cannot be indexed by `RangeTo<Vec<u8>>`
[INFO] [stdout]   --> tests/nested.rs:43:24
[INFO] [stdout]    |
[INFO] [stdout] 43 |     assert_eq!(&buffer[.. result], DATA);
[INFO] [stdout]    |                        ^^^^^^^^^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `SliceIndex<[u8]>` is not implemented for `RangeTo<Vec<u8>>`
[INFO] [stdout] help: the following other types implement trait `SliceIndex<T>`
[INFO] [stdout]   --> /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/bstr/traits.rs:271:0
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RangeTo<usize>` implements `SliceIndex<ByteStr>`
[INFO] [stdout]   --> /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/slice/index.rs:503:0
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RangeTo<usize>` implements `SliceIndex<[T]>`
[INFO] [stdout]   --> /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/str/traits.rs:442:0
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RangeTo<usize>` implements `SliceIndex<str>`
[INFO] [stdout]    = note: required for `Vec<u8>` to implement `Index<RangeTo<Vec<u8>>>`
[INFO] [stdout]    = note: this error originates in the macro `impl_slice_index` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0277, E0412.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this method takes 0 arguments but 1 argument was supplied
[INFO] [stdout]   --> tests/convert.rs:71:25
[INFO] [stdout]    |
[INFO] [stdout] 71 |     let result = packet.pack(&mut buffer).unwrap();
[INFO] [stdout]    |                         ^^^^ ----------- unexpected argument of type `&mut [u8; 1]`
[INFO] [stdout]    |
[INFO] [stdout] note: method defined here
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn pack(&self) -> Result<Vec<u8>, BitWrapError>;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] help: remove the extra argument
[INFO] [stdout]    |
[INFO] [stdout] 71 -     let result = packet.pack(&mut buffer).unwrap();
[INFO] [stdout] 71 +     let result = packet.pack().unwrap();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `pack` found for struct `Ipv4Addr` in the current scope
[INFO] [stdout]  --> tests/nested.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 |     #[derive(BitWrap)]
[INFO] [stdout]   |              ^^^^^^^ method not found in `Ipv4Addr`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `BitWrap` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the type `[u8]` cannot be indexed by `RangeTo<alloc::vec::Vec<u8>>`
[INFO] [stdout]   --> tests/convert.rs:73:24
[INFO] [stdout]    |
[INFO] [stdout] 73 |     assert_eq!(&buffer[.. result], DATA);
[INFO] [stdout]    |                        ^^^^^^^^^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `SliceIndex<[u8]>` is not implemented for `RangeTo<alloc::vec::Vec<u8>>`
[INFO] [stdout] help: the following other types implement trait `SliceIndex<T>`
[INFO] [stdout]   --> /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/bstr/traits.rs:271:0
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RangeTo<usize>` implements `SliceIndex<ByteStr>`
[INFO] [stdout]   --> /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/slice/index.rs:503:0
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RangeTo<usize>` implements `SliceIndex<[T]>`
[INFO] [stdout]   --> /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/str/traits.rs:442:0
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RangeTo<usize>` implements `SliceIndex<str>`
[INFO] [stdout]    = note: required for `[u8]` to implement `Index<RangeTo<alloc::vec::Vec<u8>>>`
[INFO] [stdout]    = note: 1 redundant requirement hidden
[INFO] [stdout]    = note: required for `[u8; 1]` to implement `Index<RangeTo<alloc::vec::Vec<u8>>>`
[INFO] [stdout]    = note: this error originates in the macro `impl_slice_index` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bitwrap_extra` (test "array") due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0599]: no method named `unpack` found for struct `Ipv4Addr` in the current scope
[INFO] [stdout]  --> tests/nested.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 |     #[derive(BitWrap)]
[INFO] [stdout]   |              ^^^^^^^ method not found in `Ipv4Addr`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `BitWrap` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `pack` found for enum `Coffee` in the current scope
[INFO] [stdout]   --> tests/convert.rs:56:23
[INFO] [stdout]    |
[INFO] [stdout] 15 |     enum Coffee {
[INFO] [stdout]    |     ----------- method `pack` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 56 |     #[derive(Default, BitWrap)]
[INFO] [stdout]    |                       ^^^^^^^ method not found in `Coffee`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `pack`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `bitwrap_extra::BitWrapExt`
[INFO] [stdout]    = note: this error originates in the derive macro `BitWrap` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0277, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `unpack` found for enum `Coffee` in the current scope
[INFO] [stdout]   --> tests/convert.rs:56:23
[INFO] [stdout]    |
[INFO] [stdout] 15 |     enum Coffee {
[INFO] [stdout]    |     ----------- method `unpack` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 56 |     #[derive(Default, BitWrap)]
[INFO] [stdout]    |                       ^^^^^^^ method not found in `Coffee`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `unpack`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `bitwrap_extra::BitWrapExt`
[INFO] [stdout]    = note: this error originates in the derive macro `BitWrap` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: proc-macro derive panicked
[INFO] [stdout]   --> tests/readme.rs:48:14
[INFO] [stdout]    |
[INFO] [stdout] 48 |     #[derive(BitWrap)]
[INFO] [stdout]    |              ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: message: assertion `left == right` failed: bitwrap not aligned
[INFO] [stdout]              left: 7
[INFO] [stdout]             right: 8
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0277, E0412, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bitwrap_extra` (test "nested") due to 4 previous errors
[INFO] [stderr] error: could not compile `bitwrap_extra` (test "convert") due to 6 previous errors
[INFO] [stdout] error: cannot find macro `vec` in this scope
[INFO] [stdout]   --> tests/no_std.rs:13:23
[INFO] [stdout]    |
[INFO] [stdout] 13 |     #[derive(Default, BitWrap)]
[INFO] [stdout]    |                       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `BitWrap` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Vec` in this scope
[INFO] [stdout]   --> tests/no_std.rs:13:23
[INFO] [stdout]    |
[INFO] [stdout] 13 |     #[derive(Default, BitWrap)]
[INFO] [stdout]    |                       ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `BitWrap` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `crc`
[INFO] [stdout]   --> examples/protocol_nested.rs:43:26
[INFO] [stdout]    |
[INFO] [stdout] 43 |     #[bitfield(8, name = crc, value = self.crc())]
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_crc`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/protocol_nested.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let mut buffer = vec![0 as u8; len];
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `dataType1` should have a snake case name
[INFO] [stdout]   --> examples/protocol_nested.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     dataType1: u8,
[INFO] [stdout]    |     ^^^^^^^^^ help: convert the identifier to snake case: `data_type1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `dataType2` should have a snake case name
[INFO] [stdout]   --> examples/protocol_nested.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     dataType2: u8,
[INFO] [stdout]    |     ^^^^^^^^^ help: convert the identifier to snake case: `data_type2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/protocol.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let mut buffer = vec![0 as u8; len];
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `dataType1` should have a snake case name
[INFO] [stdout]   --> examples/protocol.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     dataType1: u8,
[INFO] [stdout]    |     ^^^^^^^^^ help: convert the identifier to snake case: `data_type1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `dataType2` should have a snake case name
[INFO] [stdout]   --> examples/protocol.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     dataType2: u8,
[INFO] [stdout]    |     ^^^^^^^^^ help: convert the identifier to snake case: `data_type2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `unpack` found for struct `Packet` in the current scope
[INFO] [stdout]   --> tests/readme.rs:96:25
[INFO] [stdout]    |
[INFO] [stdout] 49 |     struct Packet {
[INFO] [stdout]    |     ------------- method `unpack` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 96 |     let result = packet.unpack(DATA).unwrap();
[INFO] [stdout]    |                         ^^^^^^ method not found in `Packet`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `unpack`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `BitWrapExt`
[INFO] [stdout] help: one of the expressions' fields has a method of the same name
[INFO] [stdout]    |
[INFO] [stdout] 96 |     let result = packet.data.unpack(DATA).unwrap();
[INFO] [stdout]    |                         +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `pack` found for struct `Packet` in the current scope
[INFO] [stdout]    --> tests/readme.rs:107:25
[INFO] [stdout]     |
[INFO] [stdout]  49 |     struct Packet {
[INFO] [stdout]     |     ------------- method `pack` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 107 |     let result = packet.pack(&mut buffer).unwrap();
[INFO] [stdout]     |                         ^^^^ method not found in `Packet`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]     = note: the following trait defines an item `pack`, perhaps you need to implement it:
[INFO] [stdout]             candidate #1: `BitWrapExt`
[INFO] [stdout] help: one of the expressions' fields has a method of the same name
[INFO] [stdout]     |
[INFO] [stdout] 107 |     let result = packet.data.pack(&mut buffer).unwrap();
[INFO] [stdout]     |                         +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this method takes 0 arguments but 1 argument was supplied
[INFO] [stdout]   --> tests/no_std.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let result = packet.pack(&mut buffer).unwrap();
[INFO] [stdout]    |                         ^^^^ ----------- unexpected argument of type `&mut [u8; 2]`
[INFO] [stdout]    |
[INFO] [stdout] note: method defined here
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn pack(&self) -> Result<Vec<u8>, BitWrapError>;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] help: remove the extra argument
[INFO] [stdout]    |
[INFO] [stdout] 32 -     let result = packet.pack(&mut buffer).unwrap();
[INFO] [stdout] 32 +     let result = packet.pack().unwrap();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bitwrap_extra` (test "readme") due to 3 previous errors
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: can't compare `alloc::vec::Vec<u8>` with `usize`
[INFO] [stdout]   --> tests/no_std.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     assert_eq!(result, DATA.len());
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no implementation for `alloc::vec::Vec<u8> == usize`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `PartialEq<usize>` is not implemented for `alloc::vec::Vec<u8>`
[INFO] [stdout] help: the following other types implement trait `PartialEq<Rhs>`
[INFO] [stdout]   --> /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/alloc/src/bstr.rs:667:0
[INFO] [stdout]    |
[INFO] [stdout]    = note: `alloc::vec::Vec<u8>` implements `PartialEq<ByteStr>`
[INFO] [stdout]   ::: /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/alloc/src/bstr.rs:523:0
[INFO] [stdout]    |
[INFO] [stdout]    = note: `alloc::vec::Vec<u8>` implements `PartialEq<alloc::bstr::ByteString>`
[INFO] [stdout]    = note: this error originates in the macro `assert_eq` which comes from the expansion of the macro `impl_partial_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0277, E0412.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bitwrap_extra` (test "no_std") due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "6d8145dc2c43cdfed5adb8fba410aa038b609b20311201e9f3c1753166657cec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d8145dc2c43cdfed5adb8fba410aa038b609b20311201e9f3c1753166657cec", kill_on_drop: false }`
[INFO] [stdout] 6d8145dc2c43cdfed5adb8fba410aa038b609b20311201e9f3c1753166657cec
