[INFO] fetching crate databuf 0.5.0...
[INFO] checking databuf-0.5.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate databuf 0.5.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate databuf 0.5.0
[INFO] finished tweaking crates.io crate databuf 0.5.0
[INFO] tweaked toml for crates.io crate databuf 0.5.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate databuf 0.5.0 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b9e97055e4ea90d2be38717df3d544be679cd9c787fa6b1137713a9cb2d92c7
[INFO] running `Command { std: "docker" "start" "-a" "2b9e97055e4ea90d2be38717df3d544be679cd9c787fa6b1137713a9cb2d92c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b9e97055e4ea90d2be38717df3d544be679cd9c787fa6b1137713a9cb2d92c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b9e97055e4ea90d2be38717df3d544be679cd9c787fa6b1137713a9cb2d92c7", kill_on_drop: false }`
[INFO] [stdout] 2b9e97055e4ea90d2be38717df3d544be679cd9c787fa6b1137713a9cb2d92c7
[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 -Dunmustuse_in_always_ok" "-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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4820d5d82884c0051a1e2c2717534bb527f75eb22a5f025ef9777f1ae5117f2
[INFO] running `Command { std: "docker" "start" "-a" "f4820d5d82884c0051a1e2c2717534bb527f75eb22a5f025ef9777f1ae5117f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote2-macros v0.7.0
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling quote2 v0.7.0
[INFO] [stderr]    Compiling databuf_derive_impl v0.2.3
[INFO] [stderr]    Compiling databuf-derive v0.5.0
[INFO] [stderr]     Checking databuf v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<usize, Infallible>
[INFO] [stdout]    --> src/var_int.rs:58:89
[INFO] [stdout]     |
[INFO] [stdout]  58 |               #[inline] fn try_from(num: $name) -> std::result::Result<Self, Self::Error> { TryFrom::try_from(num.0) }
[INFO] [stdout]     |                                                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  74 | / def!(
[INFO] [stdout]  75 | |     /// [BEU15] is variable-length encoder type for non-negative integer values.
[INFO] [stdout]  76 | |     ///
[INFO] [stdout]  77 | |     /// The discriminator of `enum` is represented by [BEU15].
[INFO] [stdout] ...   |
[INFO] [stdout] 106 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]     = note: this error originates in the macro `def` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<usize, Infallible>
[INFO] [stdout]    --> src/var_int.rs:58:91
[INFO] [stdout]     |
[INFO] [stdout]  58 |               #[inline] fn try_from(num: $name) -> std::result::Result<Self, Self::Error> { TryFrom::try_from(num.0) }
[INFO] [stdout]     |                                                                                             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  74 | / def!(
[INFO] [stdout]  75 | |     /// [BEU15] is variable-length encoder type for non-negative integer values.
[INFO] [stdout]  76 | |     ///
[INFO] [stdout]  77 | |     /// The discriminator of `enum` is represented by [BEU15].
[INFO] [stdout] ...   |
[INFO] [stdout] 106 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `def` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, usize>
[INFO] [stdout]   --> src/record/mod.rs:26:37
[INFO] [stdout]    |
[INFO] [stdout] 26 |             config::len::BEU15 => { usize::try_from(var_int::BEU15::decode::<CONFIG>($c)?)? }
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/record/collection.rs:41:1
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl_v2!(Decode for Vec<T>             where T: Decode<'de>);
[INFO] [stdout]    | ------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `decode_len` which comes from the expansion of the macro `impl_v2` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<usize, Infallible>
[INFO] [stdout]   --> src/record/mod.rs:26:37
[INFO] [stdout]    |
[INFO] [stdout] 26 |             config::len::BEU15 => { usize::try_from(var_int::BEU15::decode::<CONFIG>($c)?)? }
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/record/collection.rs:41:1
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl_v2!(Decode for Vec<T>             where T: Decode<'de>);
[INFO] [stdout]    | ------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `decode_len` which comes from the expansion of the macro `impl_v2` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, usize>
[INFO] [stdout]   --> src/record/mod.rs:26:37
[INFO] [stdout]    |
[INFO] [stdout] 26 |             config::len::BEU15 => { usize::try_from(var_int::BEU15::decode::<CONFIG>($c)?)? }
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/record/collection.rs:42:1
[INFO] [stdout]    |
[INFO] [stdout] 42 | impl_v2!(Decode for VecDeque<T>        where T: Decode<'de>);
[INFO] [stdout]    | ------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `decode_len` which comes from the expansion of the macro `impl_v2` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<usize, Infallible>
[INFO] [stdout]   --> src/record/mod.rs:26:37
[INFO] [stdout]    |
[INFO] [stdout] 26 |             config::len::BEU15 => { usize::try_from(var_int::BEU15::decode::<CONFIG>($c)?)? }
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/record/collection.rs:42:1
[INFO] [stdout]    |
[INFO] [stdout] 42 | impl_v2!(Decode for VecDeque<T>        where T: Decode<'de>);
[INFO] [stdout]    | ------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `decode_len` which comes from the expansion of the macro `impl_v2` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, usize>
[INFO] [stdout]   --> src/record/mod.rs:26:37
[INFO] [stdout]    |
[INFO] [stdout] 26 |             config::len::BEU15 => { usize::try_from(var_int::BEU15::decode::<CONFIG>($c)?)? }
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/record/collection.rs:43:1
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl_v2!(Decode for LinkedList<T>      where T: Decode<'de>);
[INFO] [stdout]    | ------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `decode_len` which comes from the expansion of the macro `impl_v2` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<usize, Infallible>
[INFO] [stdout]   --> src/record/mod.rs:26:37
[INFO] [stdout]    |
[INFO] [stdout] 26 |             config::len::BEU15 => { usize::try_from(var_int::BEU15::decode::<CONFIG>($c)?)? }
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/record/collection.rs:43:1
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl_v2!(Decode for LinkedList<T>      where T: Decode<'de>);
[INFO] [stdout]    | ------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `decode_len` which comes from the expansion of the macro `impl_v2` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, usize>
[INFO] [stdout]   --> src/record/mod.rs:26:37
[INFO] [stdout]    |
[INFO] [stdout] 26 |             config::len::BEU15 => { usize::try_from(var_int::BEU15::decode::<CONFIG>($c)?)? }
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/record/collection.rs:44:1
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl_v2!(Decode for BinaryHeap<T>      where T: Decode<'de> + Ord);
[INFO] [stdout]    | ------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `decode_len` which comes from the expansion of the macro `impl_v2` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<usize, Infallible>
[INFO] [stdout]   --> src/record/mod.rs:26:37
[INFO] [stdout]    |
[INFO] [stdout] 26 |             config::len::BEU15 => { usize::try_from(var_int::BEU15::decode::<CONFIG>($c)?)? }
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/record/collection.rs:44:1
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl_v2!(Decode for BinaryHeap<T>      where T: Decode<'de> + Ord);
[INFO] [stdout]    | ------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `decode_len` which comes from the expansion of the macro `impl_v2` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, usize>
[INFO] [stdout]   --> src/record/mod.rs:26:37
[INFO] [stdout]    |
[INFO] [stdout] 26 |             config::len::BEU15 => { usize::try_from(var_int::BEU15::decode::<CONFIG>($c)?)? }
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/record/collection.rs:45:1
[INFO] [stdout]    |
[INFO] [stdout] 45 | impl_v2!(Decode for BTreeSet<T>        where T: Decode<'de> + Ord);
[INFO] [stdout]    | ------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `decode_len` which comes from the expansion of the macro `impl_v2` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<usize, Infallible>
[INFO] [stdout]   --> src/record/mod.rs:26:37
[INFO] [stdout]    |
[INFO] [stdout] 26 |             config::len::BEU15 => { usize::try_from(var_int::BEU15::decode::<CONFIG>($c)?)? }
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/record/collection.rs:45:1
[INFO] [stdout]    |
[INFO] [stdout] 45 | impl_v2!(Decode for BTreeSet<T>        where T: Decode<'de> + Ord);
[INFO] [stdout]    | ------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `decode_len` which comes from the expansion of the macro `impl_v2` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, usize>
[INFO] [stdout]   --> src/record/mod.rs:26:37
[INFO] [stdout]    |
[INFO] [stdout] 26 |             config::len::BEU15 => { usize::try_from(var_int::BEU15::decode::<CONFIG>($c)?)? }
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/record/collection.rs:46:1
[INFO] [stdout]    |
[INFO] [stdout] 46 | impl_v2!(Decode for BTreeMap<K, V>     where K: Decode<'de> + Ord, V: Decode<'de>);
[INFO] [stdout]    | ---------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `decode_len` which comes from the expansion of the macro `impl_v2` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<usize, Infallible>
[INFO] [stdout]   --> src/record/mod.rs:26:37
[INFO] [stdout]    |
[INFO] [stdout] 26 |             config::len::BEU15 => { usize::try_from(var_int::BEU15::decode::<CONFIG>($c)?)? }
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/record/collection.rs:46:1
[INFO] [stdout]    |
[INFO] [stdout] 46 | impl_v2!(Decode for BTreeMap<K, V>     where K: Decode<'de> + Ord, V: Decode<'de>);
[INFO] [stdout]    | ---------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `decode_len` which comes from the expansion of the macro `impl_v2` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, usize>
[INFO] [stdout]   --> src/record/mod.rs:26:37
[INFO] [stdout]    |
[INFO] [stdout] 26 |             config::len::BEU15 => { usize::try_from(var_int::BEU15::decode::<CONFIG>($c)?)? }
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/record/collection.rs:47:1
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl_v2!(Decode for HashSet<T, S>      where T: Decode<'de> + Eq + Hash, S: BuildHasher + Default);
[INFO] [stdout]    | -------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `decode_len` which comes from the expansion of the macro `impl_v2` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<usize, Infallible>
[INFO] [stdout]   --> src/record/mod.rs:26:37
[INFO] [stdout]    |
[INFO] [stdout] 26 |             config::len::BEU15 => { usize::try_from(var_int::BEU15::decode::<CONFIG>($c)?)? }
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/record/collection.rs:47:1
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl_v2!(Decode for HashSet<T, S>      where T: Decode<'de> + Eq + Hash, S: BuildHasher + Default);
[INFO] [stdout]    | -------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `decode_len` which comes from the expansion of the macro `impl_v2` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, usize>
[INFO] [stdout]   --> src/record/mod.rs:26:37
[INFO] [stdout]    |
[INFO] [stdout] 26 |             config::len::BEU15 => { usize::try_from(var_int::BEU15::decode::<CONFIG>($c)?)? }
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/record/collection.rs:48:1
[INFO] [stdout]    |
[INFO] [stdout] 48 | impl_v2!(Decode for HashMap<K, V, S>   where K: Decode<'de> + Eq + Hash, V: Decode<'de>, S: BuildHasher + Default);
[INFO] [stdout]    | ------------------------------------------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `decode_len` which comes from the expansion of the macro `impl_v2` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<usize, Infallible>
[INFO] [stdout]   --> src/record/mod.rs:26:37
[INFO] [stdout]    |
[INFO] [stdout] 26 |             config::len::BEU15 => { usize::try_from(var_int::BEU15::decode::<CONFIG>($c)?)? }
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/record/collection.rs:48:1
[INFO] [stdout]    |
[INFO] [stdout] 48 | impl_v2!(Decode for HashMap<K, V, S>   where K: Decode<'de> + Eq + Hash, V: Decode<'de>, S: BuildHasher + Default);
[INFO] [stdout]    | ------------------------------------------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `decode_len` which comes from the expansion of the macro `impl_v2` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, usize>
[INFO] [stdout]   --> src/record/mod.rs:26:37
[INFO] [stdout]    |
[INFO] [stdout] 26 |             config::len::BEU15 => { usize::try_from(var_int::BEU15::decode::<CONFIG>($c)?)? }
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/record/string.rs:25:20
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let data = read_slice!(c)?;
[INFO] [stdout]    |                    -------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `decode_len` which comes from the expansion of the macro `read_slice` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<usize, Infallible>
[INFO] [stdout]   --> src/record/mod.rs:26:37
[INFO] [stdout]    |
[INFO] [stdout] 26 |             config::len::BEU15 => { usize::try_from(var_int::BEU15::decode::<CONFIG>($c)?)? }
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/record/string.rs:25:20
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let data = read_slice!(c)?;
[INFO] [stdout]    |                    -------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `decode_len` which comes from the expansion of the macro `read_slice` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, usize>
[INFO] [stdout]   --> src/record/mod.rs:26:37
[INFO] [stdout]    |
[INFO] [stdout] 26 |             config::len::BEU15 => { usize::try_from(var_int::BEU15::decode::<CONFIG>($c)?)? }
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/record/string.rs:33:20
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let data = read_slice!(c)?;
[INFO] [stdout]    |                    -------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `decode_len` which comes from the expansion of the macro `read_slice` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<usize, Infallible>
[INFO] [stdout]   --> src/record/mod.rs:26:37
[INFO] [stdout]    |
[INFO] [stdout] 26 |             config::len::BEU15 => { usize::try_from(var_int::BEU15::decode::<CONFIG>($c)?)? }
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/record/string.rs:33:20
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let data = read_slice!(c)?;
[INFO] [stdout]    |                    -------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `decode_len` which comes from the expansion of the macro `read_slice` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, usize>
[INFO] [stdout]   --> src/record/mod.rs:26:37
[INFO] [stdout]    |
[INFO] [stdout] 26 |             config::len::BEU15 => { usize::try_from(var_int::BEU15::decode::<CONFIG>($c)?)? }
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/record/string.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         read_slice!(c)
[INFO] [stdout]    |         -------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `decode_len` which comes from the expansion of the macro `read_slice` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<usize, Infallible>
[INFO] [stdout]   --> src/record/mod.rs:26:37
[INFO] [stdout]    |
[INFO] [stdout] 26 |             config::len::BEU15 => { usize::try_from(var_int::BEU15::decode::<CONFIG>($c)?)? }
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/record/string.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         read_slice!(c)
[INFO] [stdout]    |         -------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `decode_len` which comes from the expansion of the macro `read_slice` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `databuf` (lib test) due to 24 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<usize, Infallible>
[INFO] [stdout]    --> src/var_int.rs:58:89
[INFO] [stdout]     |
[INFO] [stdout]  58 |               #[inline] fn try_from(num: $name) -> std::result::Result<Self, Self::Error> { TryFrom::try_from(num.0) }
[INFO] [stdout]     |                                                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  74 | / def!(
[INFO] [stdout]  75 | |     /// [BEU15] is variable-length encoder type for non-negative integer values.
[INFO] [stdout]  76 | |     ///
[INFO] [stdout]  77 | |     /// The discriminator of `enum` is represented by [BEU15].
[INFO] [stdout] ...   |
[INFO] [stdout] 106 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]     = note: this error originates in the macro `def` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<usize, Infallible>
[INFO] [stdout]    --> src/var_int.rs:58:91
[INFO] [stdout]     |
[INFO] [stdout]  58 |               #[inline] fn try_from(num: $name) -> std::result::Result<Self, Self::Error> { TryFrom::try_from(num.0) }
[INFO] [stdout]     |                                                                                             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  74 | / def!(
[INFO] [stdout]  75 | |     /// [BEU15] is variable-length encoder type for non-negative integer values.
[INFO] [stdout]  76 | |     ///
[INFO] [stdout]  77 | |     /// The discriminator of `enum` is represented by [BEU15].
[INFO] [stdout] ...   |
[INFO] [stdout] 106 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `def` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, usize>
[INFO] [stdout]   --> src/record/mod.rs:26:37
[INFO] [stdout]    |
[INFO] [stdout] 26 |             config::len::BEU15 => { usize::try_from(var_int::BEU15::decode::<CONFIG>($c)?)? }
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/record/collection.rs:41:1
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl_v2!(Decode for Vec<T>             where T: Decode<'de>);
[INFO] [stdout]    | ------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `decode_len` which comes from the expansion of the macro `impl_v2` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<usize, Infallible>
[INFO] [stdout]   --> src/record/mod.rs:26:37
[INFO] [stdout]    |
[INFO] [stdout] 26 |             config::len::BEU15 => { usize::try_from(var_int::BEU15::decode::<CONFIG>($c)?)? }
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/record/collection.rs:41:1
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl_v2!(Decode for Vec<T>             where T: Decode<'de>);
[INFO] [stdout]    | ------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `decode_len` which comes from the expansion of the macro `impl_v2` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, usize>
[INFO] [stdout]   --> src/record/mod.rs:26:37
[INFO] [stdout]    |
[INFO] [stdout] 26 |             config::len::BEU15 => { usize::try_from(var_int::BEU15::decode::<CONFIG>($c)?)? }
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/record/collection.rs:42:1
[INFO] [stdout]    |
[INFO] [stdout] 42 | impl_v2!(Decode for VecDeque<T>        where T: Decode<'de>);
[INFO] [stdout]    | ------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `decode_len` which comes from the expansion of the macro `impl_v2` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<usize, Infallible>
[INFO] [stdout]   --> src/record/mod.rs:26:37
[INFO] [stdout]    |
[INFO] [stdout] 26 |             config::len::BEU15 => { usize::try_from(var_int::BEU15::decode::<CONFIG>($c)?)? }
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/record/collection.rs:42:1
[INFO] [stdout]    |
[INFO] [stdout] 42 | impl_v2!(Decode for VecDeque<T>        where T: Decode<'de>);
[INFO] [stdout]    | ------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `decode_len` which comes from the expansion of the macro `impl_v2` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, usize>
[INFO] [stdout]   --> src/record/mod.rs:26:37
[INFO] [stdout]    |
[INFO] [stdout] 26 |             config::len::BEU15 => { usize::try_from(var_int::BEU15::decode::<CONFIG>($c)?)? }
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/record/collection.rs:43:1
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl_v2!(Decode for LinkedList<T>      where T: Decode<'de>);
[INFO] [stdout]    | ------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `decode_len` which comes from the expansion of the macro `impl_v2` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<usize, Infallible>
[INFO] [stdout]   --> src/record/mod.rs:26:37
[INFO] [stdout]    |
[INFO] [stdout] 26 |             config::len::BEU15 => { usize::try_from(var_int::BEU15::decode::<CONFIG>($c)?)? }
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/record/collection.rs:43:1
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl_v2!(Decode for LinkedList<T>      where T: Decode<'de>);
[INFO] [stdout]    | ------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `decode_len` which comes from the expansion of the macro `impl_v2` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, usize>
[INFO] [stdout]   --> src/record/mod.rs:26:37
[INFO] [stdout]    |
[INFO] [stdout] 26 |             config::len::BEU15 => { usize::try_from(var_int::BEU15::decode::<CONFIG>($c)?)? }
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/record/collection.rs:44:1
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl_v2!(Decode for BinaryHeap<T>      where T: Decode<'de> + Ord);
[INFO] [stdout]    | ------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `decode_len` which comes from the expansion of the macro `impl_v2` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<usize, Infallible>
[INFO] [stdout]   --> src/record/mod.rs:26:37
[INFO] [stdout]    |
[INFO] [stdout] 26 |             config::len::BEU15 => { usize::try_from(var_int::BEU15::decode::<CONFIG>($c)?)? }
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/record/collection.rs:44:1
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl_v2!(Decode for BinaryHeap<T>      where T: Decode<'de> + Ord);
[INFO] [stdout]    | ------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `decode_len` which comes from the expansion of the macro `impl_v2` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, usize>
[INFO] [stdout]   --> src/record/mod.rs:26:37
[INFO] [stdout]    |
[INFO] [stdout] 26 |             config::len::BEU15 => { usize::try_from(var_int::BEU15::decode::<CONFIG>($c)?)? }
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/record/collection.rs:45:1
[INFO] [stdout]    |
[INFO] [stdout] 45 | impl_v2!(Decode for BTreeSet<T>        where T: Decode<'de> + Ord);
[INFO] [stdout]    | ------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `decode_len` which comes from the expansion of the macro `impl_v2` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<usize, Infallible>
[INFO] [stdout]   --> src/record/mod.rs:26:37
[INFO] [stdout]    |
[INFO] [stdout] 26 |             config::len::BEU15 => { usize::try_from(var_int::BEU15::decode::<CONFIG>($c)?)? }
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/record/collection.rs:45:1
[INFO] [stdout]    |
[INFO] [stdout] 45 | impl_v2!(Decode for BTreeSet<T>        where T: Decode<'de> + Ord);
[INFO] [stdout]    | ------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `decode_len` which comes from the expansion of the macro `impl_v2` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, usize>
[INFO] [stdout]   --> src/record/mod.rs:26:37
[INFO] [stdout]    |
[INFO] [stdout] 26 |             config::len::BEU15 => { usize::try_from(var_int::BEU15::decode::<CONFIG>($c)?)? }
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/record/collection.rs:46:1
[INFO] [stdout]    |
[INFO] [stdout] 46 | impl_v2!(Decode for BTreeMap<K, V>     where K: Decode<'de> + Ord, V: Decode<'de>);
[INFO] [stdout]    | ---------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `decode_len` which comes from the expansion of the macro `impl_v2` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<usize, Infallible>
[INFO] [stdout]   --> src/record/mod.rs:26:37
[INFO] [stdout]    |
[INFO] [stdout] 26 |             config::len::BEU15 => { usize::try_from(var_int::BEU15::decode::<CONFIG>($c)?)? }
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/record/collection.rs:46:1
[INFO] [stdout]    |
[INFO] [stdout] 46 | impl_v2!(Decode for BTreeMap<K, V>     where K: Decode<'de> + Ord, V: Decode<'de>);
[INFO] [stdout]    | ---------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `decode_len` which comes from the expansion of the macro `impl_v2` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, usize>
[INFO] [stdout]   --> src/record/mod.rs:26:37
[INFO] [stdout]    |
[INFO] [stdout] 26 |             config::len::BEU15 => { usize::try_from(var_int::BEU15::decode::<CONFIG>($c)?)? }
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/record/collection.rs:47:1
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl_v2!(Decode for HashSet<T, S>      where T: Decode<'de> + Eq + Hash, S: BuildHasher + Default);
[INFO] [stdout]    | -------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `decode_len` which comes from the expansion of the macro `impl_v2` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<usize, Infallible>
[INFO] [stdout]   --> src/record/mod.rs:26:37
[INFO] [stdout]    |
[INFO] [stdout] 26 |             config::len::BEU15 => { usize::try_from(var_int::BEU15::decode::<CONFIG>($c)?)? }
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/record/collection.rs:47:1
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl_v2!(Decode for HashSet<T, S>      where T: Decode<'de> + Eq + Hash, S: BuildHasher + Default);
[INFO] [stdout]    | -------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `decode_len` which comes from the expansion of the macro `impl_v2` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, usize>
[INFO] [stdout]   --> src/record/mod.rs:26:37
[INFO] [stdout]    |
[INFO] [stdout] 26 |             config::len::BEU15 => { usize::try_from(var_int::BEU15::decode::<CONFIG>($c)?)? }
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/record/collection.rs:48:1
[INFO] [stdout]    |
[INFO] [stdout] 48 | impl_v2!(Decode for HashMap<K, V, S>   where K: Decode<'de> + Eq + Hash, V: Decode<'de>, S: BuildHasher + Default);
[INFO] [stdout]    | ------------------------------------------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `decode_len` which comes from the expansion of the macro `impl_v2` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<usize, Infallible>
[INFO] [stdout]   --> src/record/mod.rs:26:37
[INFO] [stdout]    |
[INFO] [stdout] 26 |             config::len::BEU15 => { usize::try_from(var_int::BEU15::decode::<CONFIG>($c)?)? }
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/record/collection.rs:48:1
[INFO] [stdout]    |
[INFO] [stdout] 48 | impl_v2!(Decode for HashMap<K, V, S>   where K: Decode<'de> + Eq + Hash, V: Decode<'de>, S: BuildHasher + Default);
[INFO] [stdout]    | ------------------------------------------------------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `decode_len` which comes from the expansion of the macro `impl_v2` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, usize>
[INFO] [stdout]   --> src/record/mod.rs:26:37
[INFO] [stdout]    |
[INFO] [stdout] 26 |             config::len::BEU15 => { usize::try_from(var_int::BEU15::decode::<CONFIG>($c)?)? }
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/record/string.rs:25:20
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let data = read_slice!(c)?;
[INFO] [stdout]    |                    -------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `decode_len` which comes from the expansion of the macro `read_slice` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<usize, Infallible>
[INFO] [stdout]   --> src/record/mod.rs:26:37
[INFO] [stdout]    |
[INFO] [stdout] 26 |             config::len::BEU15 => { usize::try_from(var_int::BEU15::decode::<CONFIG>($c)?)? }
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/record/string.rs:25:20
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let data = read_slice!(c)?;
[INFO] [stdout]    |                    -------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `decode_len` which comes from the expansion of the macro `read_slice` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, usize>
[INFO] [stdout]   --> src/record/mod.rs:26:37
[INFO] [stdout]    |
[INFO] [stdout] 26 |             config::len::BEU15 => { usize::try_from(var_int::BEU15::decode::<CONFIG>($c)?)? }
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/record/string.rs:33:20
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let data = read_slice!(c)?;
[INFO] [stdout]    |                    -------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `decode_len` which comes from the expansion of the macro `read_slice` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<usize, Infallible>
[INFO] [stdout]   --> src/record/mod.rs:26:37
[INFO] [stdout]    |
[INFO] [stdout] 26 |             config::len::BEU15 => { usize::try_from(var_int::BEU15::decode::<CONFIG>($c)?)? }
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/record/string.rs:33:20
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let data = read_slice!(c)?;
[INFO] [stdout]    |                    -------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `decode_len` which comes from the expansion of the macro `read_slice` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, usize>
[INFO] [stdout]   --> src/record/mod.rs:26:37
[INFO] [stdout]    |
[INFO] [stdout] 26 |             config::len::BEU15 => { usize::try_from(var_int::BEU15::decode::<CONFIG>($c)?)? }
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/record/string.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         read_slice!(c)
[INFO] [stdout]    |         -------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `decode_len` which comes from the expansion of the macro `read_slice` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<usize, Infallible>
[INFO] [stdout]   --> src/record/mod.rs:26:37
[INFO] [stdout]    |
[INFO] [stdout] 26 |             config::len::BEU15 => { usize::try_from(var_int::BEU15::decode::<CONFIG>($c)?)? }
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/record/string.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         read_slice!(c)
[INFO] [stdout]    |         -------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `decode_len` which comes from the expansion of the macro `read_slice` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `databuf` (lib) due to 24 previous errors
[INFO] running `Command { std: "docker" "inspect" "f4820d5d82884c0051a1e2c2717534bb527f75eb22a5f025ef9777f1ae5117f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4820d5d82884c0051a1e2c2717534bb527f75eb22a5f025ef9777f1ae5117f2", kill_on_drop: false }`
[INFO] [stdout] f4820d5d82884c0051a1e2c2717534bb527f75eb22a5f025ef9777f1ae5117f2