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[INFO] [stdout] fafbc7f04dc891d11b057460c7c964a0967c18bd
[INFO] checking remi-dupre/enum-spanner-rs against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
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[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/remi-dupre/enum-spanner-rs
[INFO] finished tweaking git repo https://github.com/remi-dupre/enum-spanner-rs
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[INFO] crate git repo https://github.com/remi-dupre/enum-spanner-rs already has a lockfile, it will not be regenerated
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[INFO] [stderr]   Downloaded aho-corasick v0.7.4
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[INFO] [stderr]    Compiling libc v0.2.54
[INFO] [stderr]    Compiling regex v1.1.9
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[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking enum-spanner-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `ColMul` is never used
[INFO] [stdout]   --> src/matrix.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub trait ColMul<U> {
[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/mapping/indexed_dag.rs:38:15
[INFO] [stdout]    |
[INFO] [stdout] 38 |         text: &str,
[INFO] [stdout]    |               ^^^^ the lifetime is elided here
[INFO] [stdout] 39 |         toggle_progress: ToggleProgress,
[INFO] [stdout] 40 |     ) -> IndexedDag {
[INFO] [stdout]    |          ^^^^^^^^^^ the same lifetime is hidden 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] 40 |     ) -> IndexedDag<'_> {
[INFO] [stdout]    |                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ColMul` is never used
[INFO] [stdout]   --> src/matrix.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub trait ColMul<U> {
[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/mapping/indexed_dag.rs:38:15
[INFO] [stdout]    |
[INFO] [stdout] 38 |         text: &str,
[INFO] [stdout]    |               ^^^^ the lifetime is elided here
[INFO] [stdout] 39 |         toggle_progress: ToggleProgress,
[INFO] [stdout] 40 |     ) -> IndexedDag {
[INFO] [stdout]    |          ^^^^^^^^^^ the same lifetime is hidden 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] 40 |     ) -> IndexedDag<'_> {
[INFO] [stdout]    |                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021
[INFO] [stdout]   --> src/mapping/tests.rs:22:23
[INFO] [stdout]    |
[INFO] [stdout] 22 |     for text in texts.into_iter() {
[INFO] [stdout]    |                       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 22 -     for text in texts.into_iter() {
[INFO] [stdout] 22 +     for text in texts.iter() {
[INFO] [stdout]    |
[INFO] [stdout] help: or remove `.into_iter()` to iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 22 -     for text in texts.into_iter() {
[INFO] [stdout] 22 +     for text in texts {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021
[INFO] [stdout]   --> src/mapping/tests.rs:32:23
[INFO] [stdout]    |
[INFO] [stdout] 32 |     for text in texts.into_iter() {
[INFO] [stdout]    |                       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 32 -     for text in texts.into_iter() {
[INFO] [stdout] 32 +     for text in texts.iter() {
[INFO] [stdout]    |
[INFO] [stdout] help: or remove `.into_iter()` to iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 32 -     for text in texts.into_iter() {
[INFO] [stdout] 32 +     for text in texts {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021
[INFO] [stdout]   --> src/mapping/tests.rs:42:23
[INFO] [stdout]    |
[INFO] [stdout] 42 |     for text in texts.into_iter() {
[INFO] [stdout]    |                       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 42 -     for text in texts.into_iter() {
[INFO] [stdout] 42 +     for text in texts.iter() {
[INFO] [stdout]    |
[INFO] [stdout] help: or remove `.into_iter()` to iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 42 -     for text in texts.into_iter() {
[INFO] [stdout] 42 +     for text in texts {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021
[INFO] [stdout]   --> src/mapping/tests.rs:53:23
[INFO] [stdout]    |
[INFO] [stdout] 53 |     for text in texts.into_iter() {
[INFO] [stdout]    |                       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 53 -     for text in texts.into_iter() {
[INFO] [stdout] 53 +     for text in texts.iter() {
[INFO] [stdout]    |
[INFO] [stdout] help: or remove `.into_iter()` to iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 53 -     for text in texts.into_iter() {
[INFO] [stdout] 53 +     for text in texts {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021
[INFO] [stdout]   --> src/mapping/tests.rs:63:23
[INFO] [stdout]    |
[INFO] [stdout] 63 |     for text in texts.into_iter() {
[INFO] [stdout]    |                       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 63 -     for text in texts.into_iter() {
[INFO] [stdout] 63 +     for text in texts.iter() {
[INFO] [stdout]    |
[INFO] [stdout] help: or remove `.into_iter()` to iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 63 -     for text in texts.into_iter() {
[INFO] [stdout] 63 +     for text in texts {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021
[INFO] [stdout]   --> src/mapping/tests.rs:80:23
[INFO] [stdout]    |
[INFO] [stdout] 80 |     for text in texts.into_iter() {
[INFO] [stdout]    |                       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 80 -     for text in texts.into_iter() {
[INFO] [stdout] 80 +     for text in texts.iter() {
[INFO] [stdout]    |
[INFO] [stdout] help: or remove `.into_iter()` to iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 80 -     for text in texts.into_iter() {
[INFO] [stdout] 80 +     for text in texts {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.16s
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[INFO] [stdout] ee7f3210f768ac32134eb0a44a1140cf8302cb81fdd7a9d8ff8029996b8dd4ad