[INFO] fetching crate dsf 0.2.2...
[INFO] testing dsf-0.2.2 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate dsf 0.2.2 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate dsf 0.2.2
[INFO] finished tweaking crates.io crate dsf 0.2.2
[INFO] tweaked toml for crates.io crate dsf 0.2.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate dsf 0.2.2 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "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" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 11 packages to highest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sampled_data_duration v0.3.1
[INFO] [stderr]   Downloaded id3 v1.17.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 7ab6ef3bab5f84a274adb3a9b8f1a3198980ef52502e9eb1efe8cc359c2442d0
[INFO] running `Command { std: "docker" "start" "7ab6ef3bab5f84a274adb3a9b8f1a3198980ef52502e9eb1efe8cc359c2442d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ab6ef3bab5f84a274adb3a9b8f1a3198980ef52502e9eb1efe8cc359c2442d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7ab6ef3bab5f84a274adb3a9b8f1a3198980ef52502e9eb1efe8cc359c2442d0" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ab6ef3bab5f84a274adb3a9b8f1a3198980ef52502e9eb1efe8cc359c2442d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7ab6ef3bab5f84a274adb3a9b8f1a3198980ef52502e9eb1efe8cc359c2442d0" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling crc32fast v1.5.2
[INFO] [stderr]    Compiling simd-adler32 v0.3.10
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling sampled_data_duration v0.3.1
[INFO] [stderr]    Compiling miniz_oxide v0.9.1
[INFO] [stderr]    Compiling flate2 v1.1.10
[INFO] [stderr]    Compiling id3 v1.17.2
[INFO] [stderr]    Compiling dsf v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated module `std::u64`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]   --> src/lib.rs:46:10
[INFO] [stdout]    |
[INFO] [stdout] 46 | use std::u64;
[INFO] [stdout]    |          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `id3::Tag::read_from`: use read_from2
[INFO] [stdout]    --> src/lib.rs:114:23
[INFO] [stdout]     |
[INFO] [stdout] 114 |             Some(Tag::read_from(&file)?)
[INFO] [stdout]     |                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:161:19
[INFO] [stdout]     |
[INFO] [stdout] 161 |     pub fn frames(&mut self) -> Result<Frames, Error> {
[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] 161 |     pub fn frames(&mut self) -> Result<Frames<'_>, Error> {
[INFO] [stdout]     |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:172:41
[INFO] [stdout]     |
[INFO] [stdout] 172 |     pub fn interleaved_u32_samples_iter(&mut self) -> Result<InterleavedU32SamplesIter, Error> {
[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] 172 |     pub fn interleaved_u32_samples_iter(&mut self) -> Result<InterleavedU32SamplesIter<'_>, Error> {
[INFO] [stdout]     |                                                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:590:22
[INFO] [stdout]     |
[INFO] [stdout] 590 |     fn new(dsf_file: &mut DsfFile) -> Result<Frames, Error> {
[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] 590 |     fn new(dsf_file: &mut DsfFile) -> Result<Frames<'_>, Error> {
[INFO] [stdout]     |                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:821:22
[INFO] [stdout]     |
[INFO] [stdout] 821 |     fn new(dsf_file: &mut DsfFile) -> Result<InterleavedU32SamplesIter, Error> {
[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] 821 |     fn new(dsf_file: &mut DsfFile) -> Result<InterleavedU32SamplesIter<'_>, Error> {
[INFO] [stdout]     |                                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 4.36s
[INFO] running `Command { std: "docker" "inspect" "7ab6ef3bab5f84a274adb3a9b8f1a3198980ef52502e9eb1efe8cc359c2442d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7ab6ef3bab5f84a274adb3a9b8f1a3198980ef52502e9eb1efe8cc359c2442d0" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling dsf v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated module `std::u64`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]   --> src/lib.rs:46:10
[INFO] [stdout]    |
[INFO] [stdout] 46 | use std::u64;
[INFO] [stdout]    |          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `id3::Tag::read_from`: use read_from2
[INFO] [stdout]    --> src/lib.rs:114:23
[INFO] [stdout]     |
[INFO] [stdout] 114 |             Some(Tag::read_from(&file)?)
[INFO] [stdout]     |                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:161:19
[INFO] [stdout]     |
[INFO] [stdout] 161 |     pub fn frames(&mut self) -> Result<Frames, Error> {
[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] 161 |     pub fn frames(&mut self) -> Result<Frames<'_>, Error> {
[INFO] [stdout]     |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:172:41
[INFO] [stdout]     |
[INFO] [stdout] 172 |     pub fn interleaved_u32_samples_iter(&mut self) -> Result<InterleavedU32SamplesIter, Error> {
[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] 172 |     pub fn interleaved_u32_samples_iter(&mut self) -> Result<InterleavedU32SamplesIter<'_>, Error> {
[INFO] [stdout]     |                                                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:590:22
[INFO] [stdout]     |
[INFO] [stdout] 590 |     fn new(dsf_file: &mut DsfFile) -> Result<Frames, Error> {
[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] 590 |     fn new(dsf_file: &mut DsfFile) -> Result<Frames<'_>, Error> {
[INFO] [stdout]     |                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:821:22
[INFO] [stdout]     |
[INFO] [stdout] 821 |     fn new(dsf_file: &mut DsfFile) -> Result<InterleavedU32SamplesIter, Error> {
[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] 821 |     fn new(dsf_file: &mut DsfFile) -> Result<InterleavedU32SamplesIter<'_>, Error> {
[INFO] [stdout]     |                                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::u64`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]   --> src/lib.rs:46:10
[INFO] [stdout]    |
[INFO] [stdout] 46 | use std::u64;
[INFO] [stdout]    |          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `id3::Tag::read_from`: use read_from2
[INFO] [stdout]    --> src/lib.rs:114:23
[INFO] [stdout]     |
[INFO] [stdout] 114 |             Some(Tag::read_from(&file)?)
[INFO] [stdout]     |                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:161:19
[INFO] [stdout]     |
[INFO] [stdout] 161 |     pub fn frames(&mut self) -> Result<Frames, Error> {
[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] 161 |     pub fn frames(&mut self) -> Result<Frames<'_>, Error> {
[INFO] [stdout]     |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:172:41
[INFO] [stdout]     |
[INFO] [stdout] 172 |     pub fn interleaved_u32_samples_iter(&mut self) -> Result<InterleavedU32SamplesIter, Error> {
[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] 172 |     pub fn interleaved_u32_samples_iter(&mut self) -> Result<InterleavedU32SamplesIter<'_>, Error> {
[INFO] [stdout]     |                                                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:590:22
[INFO] [stdout]     |
[INFO] [stdout] 590 |     fn new(dsf_file: &mut DsfFile) -> Result<Frames, Error> {
[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] 590 |     fn new(dsf_file: &mut DsfFile) -> Result<Frames<'_>, Error> {
[INFO] [stdout]     |                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:821:22
[INFO] [stdout]     |
[INFO] [stdout] 821 |     fn new(dsf_file: &mut DsfFile) -> Result<InterleavedU32SamplesIter, Error> {
[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] 821 |     fn new(dsf_file: &mut DsfFile) -> Result<InterleavedU32SamplesIter<'_>, Error> {
[INFO] [stdout]     |                                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "7ab6ef3bab5f84a274adb3a9b8f1a3198980ef52502e9eb1efe8cc359c2442d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7ab6ef3bab5f84a274adb3a9b8f1a3198980ef52502e9eb1efe8cc359c2442d0" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated module `std::u64`: all constants in this module replaced by associated constants on the type
[INFO] [stderr]   --> src/lib.rs:46:10
[INFO] [stderr]    |
[INFO] [stderr] 46 | use std::u64;
[INFO] [stderr]    |          ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `id3::Tag::read_from`: use read_from2
[INFO] [stderr]    --> src/lib.rs:114:23
[INFO] [stderr]     |
[INFO] [stderr] 114 |             Some(Tag::read_from(&file)?)
[INFO] [stderr]     |                       ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:161:19
[INFO] [stderr]     |
[INFO] [stderr] 161 |     pub fn frames(&mut self) -> Result<Frames, Error> {
[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] 161 |     pub fn frames(&mut self) -> Result<Frames<'_>, Error> {
[INFO] [stderr]     |                                              ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:172:41
[INFO] [stderr]     |
[INFO] [stderr] 172 |     pub fn interleaved_u32_samples_iter(&mut self) -> Result<InterleavedU32SamplesIter, Error> {
[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] 172 |     pub fn interleaved_u32_samples_iter(&mut self) -> Result<InterleavedU32SamplesIter<'_>, Error> {
[INFO] [stderr]     |                                                                                       ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:590:22
[INFO] [stderr]     |
[INFO] [stderr] 590 |     fn new(dsf_file: &mut DsfFile) -> Result<Frames, Error> {
[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] 590 |     fn new(dsf_file: &mut DsfFile) -> Result<Frames<'_>, Error> {
[INFO] [stderr]     |                                                    ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:821:22
[INFO] [stderr]     |
[INFO] [stderr] 821 |     fn new(dsf_file: &mut DsfFile) -> Result<InterleavedU32SamplesIter, Error> {
[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] 821 |     fn new(dsf_file: &mut DsfFile) -> Result<InterleavedU32SamplesIter<'_>, Error> {
[INFO] [stderr]     |                                                                       ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `dsf` (lib) generated 6 warnings (run `cargo fix --lib -p dsf` to apply 4 suggestions)
[INFO] [stderr] warning: `dsf` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/deps/dsf-dd5516361acf0e12)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr] --2026-10-18 08:08:47--  http://samplerateconverter.com/free-files/samples/dsf/sweep-176400hz-0-22050hz-20s-D64-2.8mhz.zip
[INFO] [stderr] Resolving samplerateconverter.com (samplerateconverter.com)... failed: Temporary failure in name resolution.
[INFO] [stderr] wget: unable to resolve host address 'samplerateconverter.com'
[INFO] [stderr] unzip:  cannot find or open sweep-176400hz-0-22050hz-20s-D64-2.8mhz.zip, sweep-176400hz-0-22050hz-20s-D64-2.8mhz.zip.zip or sweep-176400hz-0-22050hz-20s-D64-2.8mhz.zip.ZIP.
[INFO] [stdout] test tests::sweep_file ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::sweep_file stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::sweep_file' (296) panicked at src/lib.rs:998:45:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: IoError(Os { code: 2, kind: NotFound, message: "No such file or directory" })
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x628e7b4c9581 - <<std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[df12db4294e9bfd3]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x628e7b4ddb7a - core[df12db4294e9bfd3]::fmt::write
[INFO] [stdout]    2:     0x628e7b4cdb7c - <alloc[2182bb758b4b3781]::vec::Vec<u8> as core[df12db4294e9bfd3]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x628e7b4a5766 - std[70759c8f55707aa4]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x628e7b4c1ce9 - std[70759c8f55707aa4]::panicking::default_hook
[INFO] [stdout]    5:     0x628e7b446180 - test[9d35eded1c95d3be]::test_main_inner::<test[9d35eded1c95d3be]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]    6:     0x628e7b4c1ea2 - std[70759c8f55707aa4]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x628e7b4a5812 - std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x628e7b49e599 - std[70759c8f55707aa4]::sys::backtrace::__rust_end_short_backtrace::<std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x628e7b4a640d - __rustc[8fa7c3cbc660c2b3]::rust_begin_unwind
[INFO] [stdout]   10:     0x628e7b4de2ac - core[df12db4294e9bfd3]::panicking::panic_fmt
[INFO] [stdout]   11:     0x628e7b4de082 - core[df12db4294e9bfd3]::result::unwrap_failed
[INFO] [stdout]   12:     0x628e7b43914c - dsf[72094ab404e495b5]::tests::sweep_file
[INFO] [stdout]   13:     0x628e7b437bf9 - <dsf[72094ab404e495b5]::tests::sweep_file::{closure#0} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   14:     0x628e7b43946b - test[9d35eded1c95d3be]::__rust_begin_short_backtrace::<core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>, fn() -> core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>>
[INFO] [stdout]   15:     0x628e7b446ad5 - test[9d35eded1c95d3be]::run_test::{closure#0}
[INFO] [stdout]   16:     0x628e7b440394 - std[70759c8f55707aa4]::sys::backtrace::__rust_begin_short_backtrace::<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>
[INFO] [stdout]   17:     0x628e7b449c32 - <std[70759c8f55707aa4]::thread::lifecycle::spawn_unchecked<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>::{closure#1} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   18:     0x628e7b4c8e59 - <std[70759c8f55707aa4]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   19:     0x733e42488dfa - <unknown>
[INFO] [stdout]   20:     0x733e4251c3d4 - clone
[INFO] [stdout]   21:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::sweep_file
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "7ab6ef3bab5f84a274adb3a9b8f1a3198980ef52502e9eb1efe8cc359c2442d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ab6ef3bab5f84a274adb3a9b8f1a3198980ef52502e9eb1efe8cc359c2442d0", kill_on_drop: false }`
[INFO] [stdout] 7ab6ef3bab5f84a274adb3a9b8f1a3198980ef52502e9eb1efe8cc359c2442d0
