[INFO] fetching crate samply 0.13.1...
[INFO] building samply-0.13.1 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate samply 0.13.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate samply 0.13.1
[INFO] finished tweaking crates.io crate samply 0.13.1
[INFO] tweaked toml for crates.io crate samply 0.13.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate samply 0.13.1 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate samply 0.13.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wholesym v0.8.0
[INFO] [stderr]   Downloaded fs4 v0.12.0
[INFO] [stderr]   Downloaded samply-quota-manager v0.1.0
[INFO] [stderr]   Downloaded scala-native-demangle v0.0.6
[INFO] [stderr]   Downloaded nix-base32 v0.2.0
[INFO] [stderr]   Downloaded os-release v0.1.0
[INFO] [stderr]   Downloaded dirs-next v1.0.2
[INFO] [stderr]   Downloaded runas v1.2.0
[INFO] [stderr]   Downloaded windows-strings v0.3.0
[INFO] [stderr]   Downloaded platform-dirs v0.3.0
[INFO] [stderr]   Downloaded linux-perf-event-reader v0.10.1
[INFO] [stderr]   Downloaded pe-unwind-info v0.3.0
[INFO] [stderr]   Downloaded clap v4.5.27
[INFO] [stderr]   Downloaded framehop v0.13.2
[INFO] [stderr]   Downloaded samply-api v0.24.0
[INFO] [stderr]   Downloaded yaxpeax-arch v0.3.2
[INFO] [stderr]   Downloaded rusqlite v0.32.1
[INFO] [stderr]   Downloaded yaxpeax-arm v0.3.0
[INFO] [stderr]   Downloaded zerocopy v0.8.14
[INFO] [stderr]   Downloaded plist v1.7.0
[INFO] [stderr]   Downloaded samply-symbols v0.24.0
[INFO] [stderr]   Downloaded pdb2 v0.9.2
[INFO] [stderr]   Downloaded linux-perf-data v0.10.2
[INFO] [stderr]   Downloaded msvc-demangler v0.10.1
[INFO] [stderr]   Downloaded async-compression v0.4.18
[INFO] [stderr]   Downloaded lzma-rs v0.3.0
[INFO] [stderr]   Downloaded pdb-addr2line v0.11.1
[INFO] [stderr]   Downloaded srcsrv v0.2.2
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.14
[INFO] [stderr]   Downloaded lzxd v0.2.6
[INFO] [stderr]   Downloaded rusqlite_migration v1.3.1
[INFO] [stderr]   Downloaded which v7.0.1
[INFO] [stderr]   Downloaded uuid v1.12.1
[INFO] [stderr]   Downloaded fxprof-processed-profile v0.8.0
[INFO] [stderr]   Downloaded macho-unwind-info v0.5.0
[INFO] [stderr]   Downloaded symsrv v0.5.4
[INFO] [stderr]   Downloaded windows-result v0.3.0
[INFO] [stderr]   Downloaded elsa v1.10.0
[INFO] [stderr]   Downloaded cab v0.6.0
[INFO] [stderr]   Downloaded winver v1.0.0
[INFO] [stderr]   Downloaded yaxpeax-x86 v2.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d616e3c6b33f35f860572b522bc4faff30e108b753d6867283ba44919614690
[INFO] running `Command { std: "docker" "start" "-a" "8d616e3c6b33f35f860572b522bc4faff30e108b753d6867283ba44919614690", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d616e3c6b33f35f860572b522bc4faff30e108b753d6867283ba44919614690", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d616e3c6b33f35f860572b522bc4faff30e108b753d6867283ba44919614690", kill_on_drop: false }`
[INFO] [stdout] 8d616e3c6b33f35f860572b522bc4faff30e108b753d6867283ba44919614690
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 308846d4001520fb3e000a9592cd9ca1db1b68cebaa2c120a053ce74ea8149ba
[INFO] running `Command { std: "docker" "start" "-a" "308846d4001520fb3e000a9592cd9ca1db1b68cebaa2c120a053ce74ea8149ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling bytes v1.9.0
[INFO] [stderr]    Compiling bitflags v2.8.0
[INFO] [stderr]    Compiling cc v1.2.10
[INFO] [stderr]    Compiling log v0.4.25
[INFO] [stderr]    Compiling itoa v1.0.14
[INFO] [stderr]    Compiling foldhash v0.1.4
[INFO] [stderr]    Compiling writeable v0.5.5
[INFO] [stderr]    Compiling litemap v0.7.4
[INFO] [stderr]    Compiling miniz_oxide v0.8.3
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling http v1.2.0
[INFO] [stderr]    Compiling rustls-pki-types v1.10.1
[INFO] [stderr]    Compiling icu_locid_transform_data v1.5.0
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling indexmap v2.7.1
[INFO] [stderr]    Compiling flate2 v1.0.35
[INFO] [stderr]    Compiling icu_properties_data v1.5.0
[INFO] [stderr]    Compiling thiserror v2.0.11
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling zerocopy v0.8.14
[INFO] [stderr]    Compiling rustls v0.23.21
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]    Compiling icu_normalizer_data v1.5.0
[INFO] [stderr]    Compiling utf16_iter v1.0.5
[INFO] [stderr]    Compiling ref-cast v1.0.23
[INFO] [stderr]    Compiling write16 v1.0.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling rustix v0.38.43
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling libsqlite3-sys v0.30.1
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling twox-hash v1.6.3
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling socket2 v0.5.8
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling uuid v1.12.1
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling brotli-decompressor v4.0.2
[INFO] [stderr]    Compiling inplace-vec-builder v0.1.1
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling serde_json v1.0.137
[INFO] [stderr]    Compiling crc-catalog v2.4.0
[INFO] [stderr]    Compiling binary-merge v0.1.2
[INFO] [stderr]    Compiling scroll v0.12.0
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling pdb2 v0.9.2
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling rustls-webpki v0.102.8
[INFO] [stderr]    Compiling anstyle-parse v0.2.6
[INFO] [stderr]    Compiling crc v3.2.1
[INFO] [stderr]    Compiling brotli v7.0.0
[INFO] [stderr]    Compiling debugid v0.8.0
[INFO] [stderr]    Compiling yaxpeax-arch v0.3.2
[INFO] [stderr]    Compiling zerofrom-derive v0.1.5
[INFO] [stderr]    Compiling yoke-derive v0.7.5
[INFO] [stderr]    Compiling zerovec-derive v0.10.3
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling tokio v1.43.0
[INFO] [stderr]    Compiling icu_provider_macros v1.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling zerofrom v0.1.5
[INFO] [stderr]    Compiling yoke v0.7.5
[INFO] [stderr]    Compiling thiserror-impl v2.0.11
[INFO] [stderr]    Compiling zerovec v0.10.4
[INFO] [stderr]    Compiling ref-cast-impl v1.0.23
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling zerocopy-derive v0.8.14
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling tinystr v0.7.6
[INFO] [stderr]    Compiling icu_collections v1.5.0
[INFO] [stderr]    Compiling icu_locid v1.5.0
[INFO] [stderr]    Compiling range-collections v0.4.5
[INFO] [stderr]    Compiling macho-unwind-info v0.5.0
[INFO] [stderr]    Compiling linux-perf-event-reader v0.10.1
[INFO] [stderr]    Compiling prost-derive v0.12.6
[INFO] [stderr]    Compiling icu_provider v1.5.0
[INFO] [stderr]    Compiling icu_locid_transform v1.5.0
[INFO] [stderr]    Compiling ruzstd v0.7.3
[INFO] [stderr]    Compiling webpki-roots v0.26.7
[INFO] [stderr]    Compiling prost v0.12.6
[INFO] [stderr]    Compiling elsa v1.10.0
[INFO] [stderr]    Compiling icu_properties v1.5.1
[INFO] [stderr]    Compiling linear-map v1.2.0
[INFO] [stderr]    Compiling anstyle v1.0.10
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling colorchoice v1.0.3
[INFO] [stderr]    Compiling anstyle-query v1.1.2
[INFO] [stderr]    Compiling maybe-owned v0.3.4
[INFO] [stderr]    Compiling yaxpeax-x86 v2.0.0
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling pdb-addr2line v0.11.1
[INFO] [stderr]    Compiling tokio-util v0.7.13
[INFO] [stderr]    Compiling tokio-rustls v0.26.1
[INFO] [stderr]    Compiling tower v0.5.2
[INFO] [stderr]    Compiling async-compression v0.4.18
[INFO] [stderr]    Compiling h2 v0.4.7
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling anstream v0.6.18
[INFO] [stderr]    Compiling dirs-sys v0.4.1
[INFO] [stderr]    Compiling time v0.3.37
[INFO] [stderr]    Compiling linux-perf-data v0.10.2
[INFO] [stderr]    Compiling icu_normalizer v1.5.0
[INFO] [stderr]    Compiling bitvec v1.0.1
[INFO] [stderr]    Compiling http-body-util v0.1.2
[INFO] [stderr]    Compiling idna_adapter v1.2.0
[INFO] [stderr]    Compiling idna v1.0.3
[INFO] [stderr]    Compiling hashlink v0.9.1
[INFO] [stderr]    Compiling srcsrv v0.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling url v2.5.4
[INFO] [stderr]    Compiling addr2line v0.24.2
[INFO] [stderr]    Compiling hyper v1.5.2
[INFO] [stderr]    Compiling lzma-rs v0.3.0
[INFO] [stderr]    Compiling cpp_demangle v0.4.4
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling rustls-pemfile v2.2.0
[INFO] [stderr]    Compiling msvc-demangler v0.10.1
[INFO] [stderr]    Compiling scala-native-demangle v0.0.6
[INFO] [stderr]    Compiling lzxd v0.2.6
[INFO] [stderr]    Compiling rustc-demangle v0.1.24
[INFO] [stderr]    Compiling hyper-util v0.1.10
[INFO] [stderr]    Compiling rusqlite_migration v1.3.1
[INFO] [stderr]    Compiling rangemap v1.5.1
[INFO] [stderr]    Compiling cab v0.6.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling yaxpeax-arm v0.3.0
[INFO] [stderr]    Compiling dirs v5.0.1
[INFO] [stderr]    Compiling hyper-rustls v0.27.5
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling reqwest v0.12.12
[INFO] [stderr]    Compiling fs4 v0.12.0
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling samply-symbols v0.24.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling clap_lex v0.7.4
[INFO] [stderr]    Compiling pe-unwind-info v0.3.0
[INFO] [stderr]    Compiling clap_builder v4.5.27
[INFO] [stderr]    Compiling clap_derive v4.5.24
[INFO] [stderr]    Compiling dirs-next v1.0.2
[INFO] [stderr]    Compiling env_filter v0.1.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling symsrv v0.5.4
[INFO] [stderr]    Compiling rusqlite v0.32.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling bstr v1.11.3
[INFO] [stderr]    Compiling memmap2 v0.9.5
[INFO] [stderr]    Compiling bytesize v1.3.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling tempfile v3.15.0
[INFO] [stderr]    Compiling opener v0.7.2
[INFO] [stderr]    Compiling env_logger v0.11.6
[INFO] [stderr]    Compiling samply-quota-manager v0.1.0
[INFO] [stderr]    Compiling os-release v0.1.0
[INFO] [stderr]    Compiling fxprof-processed-profile v0.8.0
[INFO] [stderr]    Compiling ctrlc v3.4.5
[INFO] [stderr]    Compiling clap v4.5.27
[INFO] [stderr]    Compiling crossbeam-channel v0.5.14
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling platform-dirs v0.3.0
[INFO] [stderr]    Compiling framehop v0.13.2
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling uname v0.1.1
[INFO] [stderr]    Compiling nix-base32 v0.2.0
[INFO] [stderr]    Compiling samply-api v0.24.0
[INFO] [stderr]    Compiling wholesym v0.8.0
[INFO] [stderr]    Compiling samply v0.13.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `UserTimingMarker` is never constructed
[INFO] [stdout]    --> src/shared/process_sample_data.rs:220:12
[INFO] [stdout]     |
[INFO] [stdout] 220 | pub struct UserTimingMarker(pub StringHandle);
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/linux/perf_event.rs:460:17
[INFO] [stdout]     |
[INFO] [stdout] 460 |     pub fn iter(&mut self) -> EventIter {
[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] 460 |     pub fn iter(&mut self) -> EventIter<'_> {
[INFO] [stdout]     |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3m 33s
[INFO] running `Command { std: "docker" "inspect" "308846d4001520fb3e000a9592cd9ca1db1b68cebaa2c120a053ce74ea8149ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "308846d4001520fb3e000a9592cd9ca1db1b68cebaa2c120a053ce74ea8149ba", kill_on_drop: false }`
[INFO] [stdout] 308846d4001520fb3e000a9592cd9ca1db1b68cebaa2c120a053ce74ea8149ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04c9154ef62b462e2f0deda7dee03a011e09cb312e0ac12fbbebfa47c1e83432
[INFO] running `Command { std: "docker" "start" "-a" "04c9154ef62b462e2f0deda7dee03a011e09cb312e0ac12fbbebfa47c1e83432", kill_on_drop: false }`
[INFO] [stderr]    Compiling samply v0.13.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `UserTimingMarker` is never constructed
[INFO] [stdout]    --> src/shared/process_sample_data.rs:220:12
[INFO] [stdout]     |
[INFO] [stdout] 220 | pub struct UserTimingMarker(pub StringHandle);
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/linux/perf_event.rs:460:17
[INFO] [stdout]     |
[INFO] [stdout] 460 |     pub fn iter(&mut self) -> EventIter {
[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] 460 |     pub fn iter(&mut self) -> EventIter<'_> {
[INFO] [stdout]     |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.76s
[INFO] running `Command { std: "docker" "inspect" "04c9154ef62b462e2f0deda7dee03a011e09cb312e0ac12fbbebfa47c1e83432", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04c9154ef62b462e2f0deda7dee03a011e09cb312e0ac12fbbebfa47c1e83432", kill_on_drop: false }`
[INFO] [stdout] 04c9154ef62b462e2f0deda7dee03a011e09cb312e0ac12fbbebfa47c1e83432