[INFO] cloning repository https://github.com/Banyc/ml_visual
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Banyc/ml_visual" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBanyc%2Fml_visual", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBanyc%2Fml_visual'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5fb9c7d0ad5ce7cbcf6321543b0ebcfa1b37965f
[INFO] checking Banyc/ml_visual against master#c8a31b780d5415358566a20b94912620a3f27067 for pr-139493-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBanyc%2Fml_visual" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/Banyc/ml_visual
[INFO] finished tweaking git repo https://github.com/Banyc/ml_visual
[INFO] tweaked toml for git repo https://github.com/Banyc/ml_visual written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Banyc/ml_visual on toolchain c8a31b780d5415358566a20b94912620a3f27067
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c8a31b780d5415358566a20b94912620a3f27067" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Banyc/ml_visual 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" "+c8a31b780d5415358566a20b94912620a3f27067" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/banyc/math.git`
[INFO] [stderr]     Updating git repository `https://github.com/banyc/olive-rs.git`
[INFO] [stderr]     Updating git repository `https://github.com/Banyc/statistical_inference.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded reikna v0.12.3
[INFO] [stderr]   Downloaded clap_derive v4.5.5
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+c8a31b780d5415358566a20b94912620a3f27067" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05a2cf6e7ee56d3a770e2e090e304a975030d42ee042ce09a752187bc9d09321
[INFO] running `Command { std: "docker" "start" "-a" "05a2cf6e7ee56d3a770e2e090e304a975030d42ee042ce09a752187bc9d09321", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05a2cf6e7ee56d3a770e2e090e304a975030d42ee042ce09a752187bc9d09321", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+c8a31b780d5415358566a20b94912620a3f27067" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55abd961f179a8efed1302414b1165cbaa7ada07630951ad7194dd3e87f1718a
[INFO] running `Command { std: "docker" "start" "-a" "55abd961f179a8efed1302414b1165cbaa7ada07630951ad7194dd3e87f1718a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.85
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.92
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking anstyle-parse v0.2.4
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]     Checking colorchoice v1.0.1
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.0
[INFO] [stderr]     Checking anstyle-query v1.1.0
[INFO] [stderr]     Checking anstyle v1.0.7
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking clap_lex v0.7.1
[INFO] [stderr]    Compiling thiserror v1.0.61
[INFO] [stderr]    Compiling wasm-bindgen v0.2.92
[INFO] [stderr]     Checking anstream v0.6.14
[INFO] [stderr]    Compiling xshell-macros v0.2.6
[INFO] [stderr]    Compiling serde_json v1.0.117
[INFO] [stderr]     Checking clap_builder v4.5.7
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking reikna v0.12.3
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking olive-rs v0.1.0 (https://github.com/banyc/olive-rs.git?tag=v0.0.1#0a43ff0d)
[INFO] [stderr]     Checking xshell v0.2.6
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling getset v0.1.2
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.92
[INFO] [stderr]    Compiling serde_derive v1.0.203
[INFO] [stderr]    Compiling clap_derive v4.5.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.61
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.92
[INFO] [stderr]     Checking clap v4.5.7
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.92
[INFO] [stderr]     Checking xtask v0.1.0 (/opt/rustwide/workdir/xtask)
[INFO] [stdout] warning: unexpected `cfg` condition name: `trick_rust_analyzer_into_highlighting_interpolated_bits`
[INFO] [stdout]   --> xtask/src/build.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         cmd!(sh, "cargo build --release --target wasm32-unknown-unknown")
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]    = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `cmd` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the macro `cmd` may come from an old version of the `xshell` crate, try updating your dependency with `cargo update -p xshell`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `cmd` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `trick_rust_analyzer_into_highlighting_interpolated_bits`
[INFO] [stdout]   --> xtask/src/build.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |         cmd!(sh, "wasm-bindgen --out-dir assets/wasm --target web --no-typescript target/wasm32-unknown-unknown/release/ml_visual.wasm")
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `cmd` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the macro `cmd` may come from an old version of the `xshell` crate, try updating your dependency with `cargo update -p xshell`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: this warning originates in the macro `cmd` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `trick_rust_analyzer_into_highlighting_interpolated_bits`
[INFO] [stdout]   --> xtask/src/decompile.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         cmd!(sh, "wasm-tools print assets/wasm/ml_visual_bg.wasm")
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `cmd` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the macro `cmd` may come from an old version of the `xshell` crate, try updating your dependency with `cargo update -p xshell`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: this warning originates in the macro `cmd` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `trick_rust_analyzer_into_highlighting_interpolated_bits`
[INFO] [stdout]   --> xtask/src/build.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         cmd!(sh, "cargo build --release --target wasm32-unknown-unknown")
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]    = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `cmd` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the macro `cmd` may come from an old version of the `xshell` crate, try updating your dependency with `cargo update -p xshell`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `cmd` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `trick_rust_analyzer_into_highlighting_interpolated_bits`
[INFO] [stdout]   --> xtask/src/build.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |         cmd!(sh, "wasm-bindgen --out-dir assets/wasm --target web --no-typescript target/wasm32-unknown-unknown/release/ml_visual.wasm")
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `cmd` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the macro `cmd` may come from an old version of the `xshell` crate, try updating your dependency with `cargo update -p xshell`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: this warning originates in the macro `cmd` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `trick_rust_analyzer_into_highlighting_interpolated_bits`
[INFO] [stdout]   --> xtask/src/decompile.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         cmd!(sh, "wasm-tools print assets/wasm/ml_visual_bg.wasm")
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `cmd` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the macro `cmd` may come from an old version of the `xshell` crate, try updating your dependency with `cargo update -p xshell`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: this warning originates in the macro `cmd` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking js-sys v0.3.69
[INFO] [stderr]     Checking serde v1.0.203
[INFO] [stderr]     Checking strict-num v0.2.0
[INFO] [stderr]     Checking statistical_inference v0.1.0 (https://github.com/Banyc/statistical_inference.git?tag=v0.0.3#e7af02a9)
[INFO] [stderr]     Checking math v0.1.0 (https://github.com/banyc/math.git?tag=v0.0.7#147b7ec2)
[INFO] [stderr]     Checking jsonc-parser v0.23.0
[INFO] [stderr]     Checking ml_visual v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> src/lib.rs:15:14
[INFO] [stdout]    |
[INFO] [stdout] 15 |     unsafe { WASM_MEMORY_BUFFER.as_ptr() }
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]   --> src/lib.rs:25:31
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let mut buffer = unsafe { WASM_MEMORY_BUFFER.as_mut() };
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/canvas.rs:18:26
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub(crate) fn canvas(&mut self) -> Canvas<HeapPixels2D> {
[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] 18 |     pub(crate) fn canvas(&mut self) -> Canvas<'_, HeapPixels2D> {
[INFO] [stdout]    |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/example.rs:126:52
[INFO] [stdout]     |
[INFO] [stdout] 124 |         &'a self,
[INFO] [stdout]     |          -- the lifetime is named here
[INFO] [stdout] 125 |         estimator: &'a E,
[INFO] [stdout]     |                     -- the lifetime is named here
[INFO] [stdout] 126 |     ) -> impl Iterator<Item = Result<T, E::Err>> + '_ {
[INFO] [stdout]     |                                                    ^^ the same 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: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 126 -     ) -> impl Iterator<Item = Result<T, E::Err>> + '_ {
[INFO] [stdout] 126 +     ) -> impl Iterator<Item = Result<T, E::Err>> + 'a {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> src/lib.rs:15:14
[INFO] [stdout]    |
[INFO] [stdout] 15 |     unsafe { WASM_MEMORY_BUFFER.as_ptr() }
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]   --> src/lib.rs:25:31
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let mut buffer = unsafe { WASM_MEMORY_BUFFER.as_mut() };
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/canvas.rs:18:26
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub(crate) fn canvas(&mut self) -> Canvas<HeapPixels2D> {
[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] 18 |     pub(crate) fn canvas(&mut self) -> Canvas<'_, HeapPixels2D> {
[INFO] [stdout]    |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/example.rs:126:52
[INFO] [stdout]     |
[INFO] [stdout] 124 |         &'a self,
[INFO] [stdout]     |          -- the lifetime is named here
[INFO] [stdout] 125 |         estimator: &'a E,
[INFO] [stdout]     |                     -- the lifetime is named here
[INFO] [stdout] 126 |     ) -> impl Iterator<Item = Result<T, E::Err>> + '_ {
[INFO] [stdout]     |                                                    ^^ the same 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: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 126 -     ) -> impl Iterator<Item = Result<T, E::Err>> + '_ {
[INFO] [stdout] 126 +     ) -> impl Iterator<Item = Result<T, E::Err>> + 'a {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.84s
[INFO] running `Command { std: "docker" "inspect" "55abd961f179a8efed1302414b1165cbaa7ada07630951ad7194dd3e87f1718a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55abd961f179a8efed1302414b1165cbaa7ada07630951ad7194dd3e87f1718a", kill_on_drop: false }`
[INFO] [stdout] 55abd961f179a8efed1302414b1165cbaa7ada07630951ad7194dd3e87f1718a
