[INFO] fetching crate msgpack-rs 0.0.1...
[INFO] testing msgpack-rs-0.0.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate msgpack-rs 0.0.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate msgpack-rs 0.0.1
[INFO] finished tweaking crates.io crate msgpack-rs 0.0.1
[INFO] tweaked toml for crates.io crate msgpack-rs 0.0.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate msgpack-rs 0.0.1 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 37 packages to latest compatible versions
[INFO] [stderr]       Adding bytes v0.4.12 (available: v1.10.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bfc100004ad12e78586d96015512bd688d57a3deb76d68afa11c28b5ee89a52d
[INFO] running `Command { std: "docker" "start" "-a" "bfc100004ad12e78586d96015512bd688d57a3deb76d68afa11c28b5ee89a52d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfc100004ad12e78586d96015512bd688d57a3deb76d68afa11c28b5ee89a52d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfc100004ad12e78586d96015512bd688d57a3deb76d68afa11c28b5ee89a52d", kill_on_drop: false }`
[INFO] [stdout] bfc100004ad12e78586d96015512bd688d57a3deb76d68afa11c28b5ee89a52d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5177f3150f7bf96c7dae73663139981e0994a5888b225a5c1aca1d07cab7ab58
[INFO] running `Command { std: "docker" "start" "-a" "5177f3150f7bf96c7dae73663139981e0994a5888b225a5c1aca1d07cab7ab58", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling iana-time-zone v0.1.64
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling msgpack-rs v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `DeserializeOwned`
[INFO] [stdout]  --> src/de.rs:7:36
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serde::de::{self, Deserialize, DeserializeOwned, DeserializeSeed, Visitor};
[INFO] [stdout]   |                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde::forward_to_deserialize_any`
[INFO] [stdout]  --> src/de.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use serde::forward_to_deserialize_any;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/unpack.rs:254:66
[INFO] [stdout]     |
[INFO] [stdout] 254 | pub fn unpack_timestamp32<R: io::Read>(reader: &mut R) -> Result<(u32), UnpackError> {
[INFO] [stdout]     |                                                                  ^   ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 254 - pub fn unpack_timestamp32<R: io::Read>(reader: &mut R) -> Result<(u32), UnpackError> {
[INFO] [stdout] 254 + pub fn unpack_timestamp32<R: io::Read>(reader: &mut R) -> Result<u32 , UnpackError> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `float::Float`
[INFO] [stdout]  --> src/value.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use float::Float;
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `float::Number as FloatNumber`
[INFO] [stdout]  --> src/value.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use float::Number as FloatNumber;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `integer::Integer`
[INFO] [stdout]  --> src/value.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use integer::Integer;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `integer::Number as IntegerNumber`
[INFO] [stdout]  --> src/value.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use integer::Number as IntegerNumber;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/de.rs:29:23
[INFO] [stdout]    |
[INFO] [stdout] 29 |         error::Error::description(self).fmt(f)
[INFO] [stdout]    |                       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/pack_error.rs:18:23
[INFO] [stdout]    |
[INFO] [stdout] 18 |         error::Error::description(self).fmt(f)
[INFO] [stdout]    |                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/ser/error.rs:59:23
[INFO] [stdout]    |
[INFO] [stdout] 59 |         error::Error::description(self).fmt(f)
[INFO] [stdout]    |                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/unpack_error.rs:14:23
[INFO] [stdout]    |
[INFO] [stdout] 14 |         error::Error::description(self).fmt(f)
[INFO] [stdout]    |                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/pack_error.rs:29:32
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/unpack_error.rs:26:32
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/de.rs:39:37
[INFO] [stdout]    |
[INFO] [stdout] 39 |             UnpackError(ref e) => e.description(),
[INFO] [stdout]    |                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/ser/error.rs:32:35
[INFO] [stdout]    |
[INFO] [stdout] 32 |             PackError(ref e) => e.description(),
[INFO] [stdout]    |                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `chrono::TimeZone::timestamp`: use `timestamp_opt()` instead
[INFO] [stdout]    --> src/value.rs:101:47
[INFO] [stdout]     |
[INFO] [stdout] 101 |                 write!(f, "{}", chrono::Local.timestamp(*sec as i64, *nsec))
[INFO] [stdout]     |                                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `chrono::TimeZone::timestamp`: use `timestamp_opt()` instead
[INFO] [stdout]    --> src/value.rs:190:47
[INFO] [stdout]     |
[INFO] [stdout] 190 |                 write!(f, "{}", chrono::Local.timestamp(*sec as i64, *nsec))
[INFO] [stdout]     |                                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Deserialize`
[INFO] [stdout]  --> src/de.rs:7:23
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serde::de::{self, Deserialize, DeserializeOwned, DeserializeSeed, Visitor};
[INFO] [stdout]   |                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple patterns overlap on their endpoints
[INFO] [stdout]    --> src/pack.rs:166:9
[INFO] [stdout]     |
[INFO] [stdout] 162 |         17..=256 => {
[INFO] [stdout]     |         -------- this range overlaps on `256_usize`...
[INFO] [stdout] ...
[INFO] [stdout] 166 |         256..=65536 => {
[INFO] [stdout]     |         ^^^^^^^^^^^ ... with this range
[INFO] [stdout]     |
[INFO] [stdout]     = note: you likely meant to write mutually exclusive ranges
[INFO] [stdout]     = note: `#[warn(overlapping_range_endpoints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ser/compound.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn compound(&mut self) -> Compound<W> {
[INFO] [stdout]    |                     ^^^^^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn compound(&mut self) -> Compound<'_, W> {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/value.rs:197:19
[INFO] [stdout]     |
[INFO] [stdout] 197 |     pub fn to_ref(&self) -> RefValue {
[INFO] [stdout]     |                   ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 197 |     pub fn to_ref(&self) -> RefValue<'_> {
[INFO] [stdout]     |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/value.rs:258:19
[INFO] [stdout]     |
[INFO] [stdout] 258 |     pub fn to_ary(&self) -> Option<&Vec<RefValue>> {
[INFO] [stdout]     |                   ^^^^^            ^^^^^^^^^^^^^^
[INFO] [stdout]     |                   |                |    |
[INFO] [stdout]     |                   |                |    the same lifetime is hidden here
[INFO] [stdout]     |                   |                the same lifetime is elided here
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 258 |     pub fn to_ary(&self) -> Option<&Vec<RefValue<'_>>> {
[INFO] [stdout]     |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/value/utf8_string.rs:47:19
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn as_ref(&self) -> Utf8StringRef {
[INFO] [stdout]    |                   ^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn as_ref(&self) -> Utf8StringRef<'_> {
[INFO] [stdout]    |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.33s
[INFO] running `Command { std: "docker" "inspect" "5177f3150f7bf96c7dae73663139981e0994a5888b225a5c1aca1d07cab7ab58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5177f3150f7bf96c7dae73663139981e0994a5888b225a5c1aca1d07cab7ab58", kill_on_drop: false }`
[INFO] [stdout] 5177f3150f7bf96c7dae73663139981e0994a5888b225a5c1aca1d07cab7ab58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47ae6c5f4d474ced67f5e28b6ff0f0006811cc8631ad987ff64082bed8402174
[INFO] running `Command { std: "docker" "start" "-a" "47ae6c5f4d474ced67f5e28b6ff0f0006811cc8631ad987ff64082bed8402174", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `DeserializeOwned`
[INFO] [stdout]  --> src/de.rs:7:36
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serde::de::{self, Deserialize, DeserializeOwned, DeserializeSeed, Visitor};
[INFO] [stdout]   |                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde::forward_to_deserialize_any`
[INFO] [stdout]  --> src/de.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use serde::forward_to_deserialize_any;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/unpack.rs:254:66
[INFO] [stdout]     |
[INFO] [stdout] 254 | pub fn unpack_timestamp32<R: io::Read>(reader: &mut R) -> Result<(u32), UnpackError> {
[INFO] [stdout]     |                                                                  ^   ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 254 - pub fn unpack_timestamp32<R: io::Read>(reader: &mut R) -> Result<(u32), UnpackError> {
[INFO] [stdout] 254 + pub fn unpack_timestamp32<R: io::Read>(reader: &mut R) -> Result<u32 , UnpackError> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `float::Float`
[INFO] [stdout]  --> src/value.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use float::Float;
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `float::Number as FloatNumber`
[INFO] [stdout]  --> src/value.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use float::Number as FloatNumber;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `integer::Integer`
[INFO] [stdout]  --> src/value.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use integer::Integer;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `integer::Number as IntegerNumber`
[INFO] [stdout]  --> src/value.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use integer::Number as IntegerNumber;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/de.rs:29:23
[INFO] [stdout]    |
[INFO] [stdout] 29 |         error::Error::description(self).fmt(f)
[INFO] [stdout]    |                       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/pack_error.rs:18:23
[INFO] [stdout]    |
[INFO] [stdout] 18 |         error::Error::description(self).fmt(f)
[INFO] [stdout]    |                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/ser/error.rs:59:23
[INFO] [stdout]    |
[INFO] [stdout] 59 |         error::Error::description(self).fmt(f)
[INFO] [stdout]    |                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/unpack_error.rs:14:23
[INFO] [stdout]    |
[INFO] [stdout] 14 |         error::Error::description(self).fmt(f)
[INFO] [stdout]    |                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/pack_error.rs:29:32
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/unpack_error.rs:26:32
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/de.rs:39:37
[INFO] [stdout]    |
[INFO] [stdout] 39 |             UnpackError(ref e) => e.description(),
[INFO] [stdout]    |                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/ser/error.rs:32:35
[INFO] [stdout]    |
[INFO] [stdout] 32 |             PackError(ref e) => e.description(),
[INFO] [stdout]    |                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `chrono::TimeZone::timestamp`: use `timestamp_opt()` instead
[INFO] [stdout]    --> src/value.rs:101:47
[INFO] [stdout]     |
[INFO] [stdout] 101 |                 write!(f, "{}", chrono::Local.timestamp(*sec as i64, *nsec))
[INFO] [stdout]     |                                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling msgpack-rs v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `chrono::TimeZone::timestamp`: use `timestamp_opt()` instead
[INFO] [stdout]    --> src/value.rs:190:47
[INFO] [stdout]     |
[INFO] [stdout] 190 |                 write!(f, "{}", chrono::Local.timestamp(*sec as i64, *nsec))
[INFO] [stdout]     |                                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Deserialize`
[INFO] [stdout]  --> src/de.rs:7:23
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serde::de::{self, Deserialize, DeserializeOwned, DeserializeSeed, Visitor};
[INFO] [stdout]   |                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple patterns overlap on their endpoints
[INFO] [stdout]    --> src/pack.rs:166:9
[INFO] [stdout]     |
[INFO] [stdout] 162 |         17..=256 => {
[INFO] [stdout]     |         -------- this range overlaps on `256_usize`...
[INFO] [stdout] ...
[INFO] [stdout] 166 |         256..=65536 => {
[INFO] [stdout]     |         ^^^^^^^^^^^ ... with this range
[INFO] [stdout]     |
[INFO] [stdout]     = note: you likely meant to write mutually exclusive ranges
[INFO] [stdout]     = note: `#[warn(overlapping_range_endpoints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ser/compound.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn compound(&mut self) -> Compound<W> {
[INFO] [stdout]    |                     ^^^^^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn compound(&mut self) -> Compound<'_, W> {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/value.rs:197:19
[INFO] [stdout]     |
[INFO] [stdout] 197 |     pub fn to_ref(&self) -> RefValue {
[INFO] [stdout]     |                   ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 197 |     pub fn to_ref(&self) -> RefValue<'_> {
[INFO] [stdout]     |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/value.rs:258:19
[INFO] [stdout]     |
[INFO] [stdout] 258 |     pub fn to_ary(&self) -> Option<&Vec<RefValue>> {
[INFO] [stdout]     |                   ^^^^^            ^^^^^^^^^^^^^^
[INFO] [stdout]     |                   |                |    |
[INFO] [stdout]     |                   |                |    the same lifetime is hidden here
[INFO] [stdout]     |                   |                the same lifetime is elided here
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 258 |     pub fn to_ary(&self) -> Option<&Vec<RefValue<'_>>> {
[INFO] [stdout]     |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/value/utf8_string.rs:47:19
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn as_ref(&self) -> Utf8StringRef {
[INFO] [stdout]    |                   ^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn as_ref(&self) -> Utf8StringRef<'_> {
[INFO] [stdout]    |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DeserializeOwned`
[INFO] [stdout]  --> src/de.rs:7:36
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serde::de::{self, Deserialize, DeserializeOwned, DeserializeSeed, Visitor};
[INFO] [stdout]   |                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde::forward_to_deserialize_any`
[INFO] [stdout]  --> src/de.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use serde::forward_to_deserialize_any;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/unpack.rs:254:66
[INFO] [stdout]     |
[INFO] [stdout] 254 | pub fn unpack_timestamp32<R: io::Read>(reader: &mut R) -> Result<(u32), UnpackError> {
[INFO] [stdout]     |                                                                  ^   ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 254 - pub fn unpack_timestamp32<R: io::Read>(reader: &mut R) -> Result<(u32), UnpackError> {
[INFO] [stdout] 254 + pub fn unpack_timestamp32<R: io::Read>(reader: &mut R) -> Result<u32 , UnpackError> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `float::Float`
[INFO] [stdout]  --> src/value.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use float::Float;
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `float::Number as FloatNumber`
[INFO] [stdout]  --> src/value.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use float::Number as FloatNumber;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `integer::Integer`
[INFO] [stdout]  --> src/value.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use integer::Integer;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `integer::Number as IntegerNumber`
[INFO] [stdout]  --> src/value.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use integer::Number as IntegerNumber;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/de.rs:29:23
[INFO] [stdout]    |
[INFO] [stdout] 29 |         error::Error::description(self).fmt(f)
[INFO] [stdout]    |                       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/pack_error.rs:18:23
[INFO] [stdout]    |
[INFO] [stdout] 18 |         error::Error::description(self).fmt(f)
[INFO] [stdout]    |                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/ser/error.rs:59:23
[INFO] [stdout]    |
[INFO] [stdout] 59 |         error::Error::description(self).fmt(f)
[INFO] [stdout]    |                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/unpack_error.rs:14:23
[INFO] [stdout]    |
[INFO] [stdout] 14 |         error::Error::description(self).fmt(f)
[INFO] [stdout]    |                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/pack_error.rs:29:32
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/unpack_error.rs:26:32
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/de.rs:39:37
[INFO] [stdout]    |
[INFO] [stdout] 39 |             UnpackError(ref e) => e.description(),
[INFO] [stdout]    |                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/ser/error.rs:32:35
[INFO] [stdout]    |
[INFO] [stdout] 32 |             PackError(ref e) => e.description(),
[INFO] [stdout]    |                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `chrono::TimeZone::timestamp`: use `timestamp_opt()` instead
[INFO] [stdout]    --> src/value.rs:101:47
[INFO] [stdout]     |
[INFO] [stdout] 101 |                 write!(f, "{}", chrono::Local.timestamp(*sec as i64, *nsec))
[INFO] [stdout]     |                                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `chrono::TimeZone::timestamp`: use `timestamp_opt()` instead
[INFO] [stdout]    --> src/value.rs:190:47
[INFO] [stdout]     |
[INFO] [stdout] 190 |                 write!(f, "{}", chrono::Local.timestamp(*sec as i64, *nsec))
[INFO] [stdout]     |                                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Deserialize`
[INFO] [stdout]  --> src/de.rs:7:23
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serde::de::{self, Deserialize, DeserializeOwned, DeserializeSeed, Visitor};
[INFO] [stdout]   |                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple patterns overlap on their endpoints
[INFO] [stdout]    --> src/pack.rs:166:9
[INFO] [stdout]     |
[INFO] [stdout] 162 |         17..=256 => {
[INFO] [stdout]     |         -------- this range overlaps on `256_usize`...
[INFO] [stdout] ...
[INFO] [stdout] 166 |         256..=65536 => {
[INFO] [stdout]     |         ^^^^^^^^^^^ ... with this range
[INFO] [stdout]     |
[INFO] [stdout]     = note: you likely meant to write mutually exclusive ranges
[INFO] [stdout]     = note: `#[warn(overlapping_range_endpoints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ser/compound.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn compound(&mut self) -> Compound<W> {
[INFO] [stdout]    |                     ^^^^^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn compound(&mut self) -> Compound<'_, W> {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/value.rs:197:19
[INFO] [stdout]     |
[INFO] [stdout] 197 |     pub fn to_ref(&self) -> RefValue {
[INFO] [stdout]     |                   ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 197 |     pub fn to_ref(&self) -> RefValue<'_> {
[INFO] [stdout]     |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/value.rs:258:19
[INFO] [stdout]     |
[INFO] [stdout] 258 |     pub fn to_ary(&self) -> Option<&Vec<RefValue>> {
[INFO] [stdout]     |                   ^^^^^            ^^^^^^^^^^^^^^
[INFO] [stdout]     |                   |                |    |
[INFO] [stdout]     |                   |                |    the same lifetime is hidden here
[INFO] [stdout]     |                   |                the same lifetime is elided here
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 258 |     pub fn to_ary(&self) -> Option<&Vec<RefValue<'_>>> {
[INFO] [stdout]     |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/value/utf8_string.rs:47:19
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn as_ref(&self) -> Utf8StringRef {
[INFO] [stdout]    |                   ^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn as_ref(&self) -> Utf8StringRef<'_> {
[INFO] [stdout]    |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.20s
[INFO] running `Command { std: "docker" "inspect" "47ae6c5f4d474ced67f5e28b6ff0f0006811cc8631ad987ff64082bed8402174", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47ae6c5f4d474ced67f5e28b6ff0f0006811cc8631ad987ff64082bed8402174", kill_on_drop: false }`
[INFO] [stdout] 47ae6c5f4d474ced67f5e28b6ff0f0006811cc8631ad987ff64082bed8402174
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7f4f9fe43019b5f2c4382525de0bdb18baad1c6c9541753004fa4b8588cf8613
[INFO] running `Command { std: "docker" "start" "-a" "7f4f9fe43019b5f2c4382525de0bdb18baad1c6c9541753004fa4b8588cf8613", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `DeserializeOwned`
[INFO] [stderr]  --> src/de.rs:7:36
[INFO] [stderr]   |
[INFO] [stderr] 7 | use serde::de::{self, Deserialize, DeserializeOwned, DeserializeSeed, Visitor};
[INFO] [stderr]   |                                    ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serde::forward_to_deserialize_any`
[INFO] [stderr]  --> src/de.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use serde::forward_to_deserialize_any;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/unpack.rs:254:66
[INFO] [stderr]     |
[INFO] [stderr] 254 | pub fn unpack_timestamp32<R: io::Read>(reader: &mut R) -> Result<(u32), UnpackError> {
[INFO] [stderr]     |                                                                  ^   ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 254 - pub fn unpack_timestamp32<R: io::Read>(reader: &mut R) -> Result<(u32), UnpackError> {
[INFO] [stderr] 254 + pub fn unpack_timestamp32<R: io::Read>(reader: &mut R) -> Result<u32 , UnpackError> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `float::Float`
[INFO] [stderr]  --> src/value.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub use float::Float;
[INFO] [stderr]   |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `float::Number as FloatNumber`
[INFO] [stderr]  --> src/value.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub use float::Number as FloatNumber;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `integer::Integer`
[INFO] [stderr]  --> src/value.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub use integer::Integer;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `integer::Number as IntegerNumber`
[INFO] [stderr]  --> src/value.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub use integer::Number as IntegerNumber;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/de.rs:29:23
[INFO] [stderr]    |
[INFO] [stderr] 29 |         error::Error::description(self).fmt(f)
[INFO] [stderr]    |                       ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/pack_error.rs:18:23
[INFO] [stderr]    |
[INFO] [stderr] 18 |         error::Error::description(self).fmt(f)
[INFO] [stderr]    |                       ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/ser/error.rs:59:23
[INFO] [stderr]    |
[INFO] [stderr] 59 |         error::Error::description(self).fmt(f)
[INFO] [stderr]    |                       ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/unpack_error.rs:14:23
[INFO] [stderr]    |
[INFO] [stderr] 14 |         error::Error::description(self).fmt(f)
[INFO] [stderr]    |                       ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/pack_error.rs:29:32
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stderr]    |                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/unpack_error.rs:26:32
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stderr]    |                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/de.rs:39:37
[INFO] [stderr]    |
[INFO] [stderr] 39 |             UnpackError(ref e) => e.description(),
[INFO] [stderr]    |                                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/ser/error.rs:32:35
[INFO] [stderr]    |
[INFO] [stderr] 32 |             PackError(ref e) => e.description(),
[INFO] [stderr]    |                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `chrono::TimeZone::timestamp`: use `timestamp_opt()` instead
[INFO] [stderr]    --> src/value.rs:101:47
[INFO] [stderr]     |
[INFO] [stderr] 101 |                 write!(f, "{}", chrono::Local.timestamp(*sec as i64, *nsec))
[INFO] [stderr]     |                                               ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `chrono::TimeZone::timestamp`: use `timestamp_opt()` instead
[INFO] [stderr]    --> src/value.rs:190:47
[INFO] [stderr]     |
[INFO] [stderr] 190 |                 write!(f, "{}", chrono::Local.timestamp(*sec as i64, *nsec))
[INFO] [stderr]     |                                               ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Deserialize`
[INFO] [stderr]  --> src/de.rs:7:23
[INFO] [stderr]   |
[INFO] [stderr] 7 | use serde::de::{self, Deserialize, DeserializeOwned, DeserializeSeed, Visitor};
[INFO] [stderr]   |                       ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple patterns overlap on their endpoints
[INFO] [stderr]    --> src/pack.rs:166:9
[INFO] [stderr]     |
[INFO] [stderr] 162 |         17..=256 => {
[INFO] [stderr]     |         -------- this range overlaps on `256_usize`...
[INFO] [stderr] ...
[INFO] [stderr] 166 |         256..=65536 => {
[INFO] [stderr]     |         ^^^^^^^^^^^ ... with this range
[INFO] [stderr]     |
[INFO] [stderr]     = note: you likely meant to write mutually exclusive ranges
[INFO] [stderr]     = note: `#[warn(overlapping_range_endpoints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/ser/compound.rs:14:21
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn compound(&mut self) -> Compound<W> {
[INFO] [stderr]    |                     ^^^^^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn compound(&mut self) -> Compound<'_, W> {
[INFO] [stderr]    |                                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/value.rs:197:19
[INFO] [stderr]     |
[INFO] [stderr] 197 |     pub fn to_ref(&self) -> RefValue {
[INFO] [stderr]     |                   ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                   |
[INFO] [stderr]     |                   the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 197 |     pub fn to_ref(&self) -> RefValue<'_> {
[INFO] [stderr]     |                                     ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/value.rs:258:19
[INFO] [stderr]     |
[INFO] [stderr] 258 |     pub fn to_ary(&self) -> Option<&Vec<RefValue>> {
[INFO] [stderr]     |                   ^^^^^            ^^^^^^^^^^^^^^
[INFO] [stderr]     |                   |                |    |
[INFO] [stderr]     |                   |                |    the same lifetime is hidden here
[INFO] [stderr]     |                   |                the same lifetime is elided here
[INFO] [stderr]     |                   the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 258 |     pub fn to_ary(&self) -> Option<&Vec<RefValue<'_>>> {
[INFO] [stderr]     |                                                 ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/value/utf8_string.rs:47:19
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn as_ref(&self) -> Utf8StringRef {
[INFO] [stderr]    |                   ^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                   |
[INFO] [stderr]    |                   the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn as_ref(&self) -> Utf8StringRef<'_> {
[INFO] [stderr]    |                                          ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `msgpack-rs` (lib) generated 23 warnings (run `cargo fix --lib -p msgpack-rs` to apply 13 suggestions)
[INFO] [stderr] warning: `msgpack-rs` (lib test) generated 23 warnings (23 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/msgpack-ffd5d86d3be70f21)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test unpack::ref_value::test_unpack_bin ... ok
[INFO] [stdout] test unpack::ref_value::test_unpack_str ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/de.rs (/opt/rustwide/target/debug/deps/de-8c27824e6059a798)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test de_bool ... ok
[INFO] [stdout] test de_u32 ... ok
[INFO] [stdout] test unpack_seq ... ok
[INFO] [stdout] test unpack_str ... ok
[INFO] [stdout] test de_u8 ... ok
[INFO] [stdout] test unpack_string ... ok
[INFO] [stdout] test unpack_tuple ... ok
[INFO] [stdout] test de_option ... ok
[INFO] [stdout] test unpack_struct ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-da7754e0b1e90b54)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test packer_unpacker ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/pack.rs (/opt/rustwide/target/debug/deps/pack-99263d179b0ce47c)
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test pack_bin ... ok
[INFO] [stdout] test pack_bool ... ok
[INFO] [stdout] test pack_fixary ... ok
[INFO] [stdout] test pack_fixext ... ok
[INFO] [stdout] test pack_fixstr ... ok
[INFO] [stdout] test pack_from_i16 ... ok
[INFO] [stdout] test pack_from_i8 ... ok
[INFO] [stdout] test pack_from_u64 ... ok
[INFO] [stdout] test pack_i16 ... ok
[INFO] [stdout] test pack_from_u8 ... ok
[INFO] [stdout] test pack_i8 ... ok
[INFO] [stdout] test pack_i32 ... ok
[INFO] [stdout] test pack_timestamp ... ok
[INFO] [stdout] test pack_u32 ... ok
[INFO] [stdout] test pack_i64 ... ok
[INFO] [stdout] test pack_from_i32 ... ok
[INFO] [stdout] test pack_str8 ... ok
[INFO] [stdout] test pack_from_u32 ... ok
[INFO] [stdout] test pack_u16 ... ok
[INFO] [stdout] test pack_nil ... ok
[INFO] [stdout] test pack_ary16 ... ok
[INFO] [stdout] test pack_u64 ... ok
[INFO] [stdout] test pack_u8 ... ok
[INFO] [stdout] test pack_fixmap ... ok
[INFO] [stdout] test pack_from_i64 ... ok
[INFO] [stdout] test pack_from_u16 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/packer.rs (/opt/rustwide/target/debug/deps/packer-6270276b5eb32b58)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/ser.rs (/opt/rustwide/target/debug/deps/ser-4791f22d73668b35)
[INFO] [stdout] test packer ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test ser_bool ... ok
[INFO] [stdout] test ser_string ... ok
[INFO] [stdout] test ser_struct ... ok
[INFO] [stdout] test ser_struct_variant ... ok
[INFO] [stdout] test ser_newtype_variant ... ok
[INFO] [stdout] test ser_tuple ... ok
[INFO] [stdout] test ser_newtype_struct ... ok
[INFO] [stdout] test ser_tuple_struct ... ok
[INFO] [stdout] test ser_str ... ok
[INFO] [stdout] test ser_tuple_variant ... ok
[INFO] [stdout] test ser_option ... ok
[INFO] [stdout] test ser_unit_variant ... ok
[INFO] [stdout] test ser_u8 ... ok
[INFO] [stdout] test ser_unit_struct ... ok
[INFO] [stdout] test ser_array ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/unpack.rs (/opt/rustwide/target/debug/deps/unpack-53c652fea7cdbeef)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stderr]      Running tests/unpacker.rs (/opt/rustwide/target/debug/deps/unpacker-4406613e871b753f)
[INFO] [stdout] test read_nil ... ok
[INFO] [stdout] test read_bool ... ok
[INFO] [stdout] test unpack_bin ... ok
[INFO] [stdout] test unpack_fixary ... ok
[INFO] [stdout] test unpack_ext ... ok
[INFO] [stdout] test unpack_fixext1 ... ok
[INFO] [stdout] test unpack_fixext2 ... ok
[INFO] [stdout] test unpack_fixext4 ... ok
[INFO] [stdout] test unpack_i16 ... ok
[INFO] [stdout] test unpack_invalid_str_value ... ok
[INFO] [stdout] test unpack_str ... ok
[INFO] [stdout] test unpack_u32 ... ok
[INFO] [stdout] test unpack_u64 ... ok
[INFO] [stdout] test unpack_u8 ... ok
[INFO] [stdout] test unpack_u16 ... ok
[INFO] [stdout] test unpack_value ... ok
[INFO] [stdout] test unpack_fixmap ... ok
[INFO] [stdout] test unpack_i64 ... ok
[INFO] [stdout] test unpack_i32 ... ok
[INFO] [stdout] test unpack_i8 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test unpacker ... ok
[INFO] [stdout] test feed_ref_slice ... ok
[INFO] [stdout] test unpacker_iter ... ok
[INFO] [stdout] test unpacker_new_long_write_and_read ... ok
[INFO] [stdout] test unpacker_new_write_and_read ... ok
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests msgpack
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/unpack.rs:254:66
[INFO] [stderr]     |
[INFO] [stderr] 254 | pub fn unpack_timestamp32<R: io::Read>(reader: &mut R) -> Result<(u32), UnpackError> {
[INFO] [stderr]     |                                                                  ^   ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 254 - pub fn unpack_timestamp32<R: io::Read>(reader: &mut R) -> Result<(u32), UnpackError> {
[INFO] [stderr] 254 + pub fn unpack_timestamp32<R: io::Read>(reader: &mut R) -> Result<u32 , UnpackError> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7f4f9fe43019b5f2c4382525de0bdb18baad1c6c9541753004fa4b8588cf8613", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f4f9fe43019b5f2c4382525de0bdb18baad1c6c9541753004fa4b8588cf8613", kill_on_drop: false }`
[INFO] [stdout] 7f4f9fe43019b5f2c4382525de0bdb18baad1c6c9541753004fa4b8588cf8613
