[INFO] fetching crate bit-matrix 0.9.0...
[INFO] checking bit-matrix-0.9.0 against master#82310651b93a594a3fd69015e1562186a080d94c for pr-145770
[INFO] extracting crate bit-matrix 0.9.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate bit-matrix 0.9.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate bit-matrix 0.9.0
[INFO] tweaked toml for crates.io crate bit-matrix 0.9.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate bit-matrix 0.9.0 on toolchain 82310651b93a594a3fd69015e1562186a080d94c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate bit-matrix 0.9.0 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" "+82310651b93a594a3fd69015e1562186a080d94c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mini-internal v0.1.42
[INFO] [stderr]   Downloaded memusage v0.2.0
[INFO] [stderr]   Downloaded miniserde v0.1.42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26f3b4078e38e8df2b46ad466df8287305e18b740460da6545a815bc0f787712
[INFO] running `Command { std: "docker" "start" "-a" "26f3b4078e38e8df2b46ad466df8287305e18b740460da6545a815bc0f787712", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26f3b4078e38e8df2b46ad466df8287305e18b740460da6545a815bc0f787712", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26f3b4078e38e8df2b46ad466df8287305e18b740460da6545a815bc0f787712", kill_on_drop: false }`
[INFO] [stdout] 26f3b4078e38e8df2b46ad466df8287305e18b740460da6545a815bc0f787712
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96a9a2b6152ace73fcf69bd935c2d2724df850f2e268543f2eaf83acec3b5fc0
[INFO] running `Command { std: "docker" "start" "-a" "96a9a2b6152ace73fcf69bd935c2d2724df850f2e268543f2eaf83acec3b5fc0", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking bit-vec v0.8.0
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]     Checking bit-matrix v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/matrix.rs:87:46
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn sub_matrix<R: RangeBounds<usize>>(&self, range: R) -> BitSubMatrix {
[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] 87 |     pub fn sub_matrix<R: RangeBounds<usize>>(&self, range: R) -> BitSubMatrix<'_> {
[INFO] [stdout]    |                                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/matrix.rs:104:21
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub fn split_at(&self, row: usize) -> (BitSubMatrix, BitSubMatrix) {
[INFO] [stdout]     |                     ^^^^^                  ------------  ------------ the same lifetime is hidden here
[INFO] [stdout]     |                     |                      |
[INFO] [stdout]     |                     |                      the same lifetime is hidden 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] 104 |     pub fn split_at(&self, row: usize) -> (BitSubMatrix<'_>, BitSubMatrix<'_>) {
[INFO] [stdout]     |                                                        ++++              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/matrix.rs:114:25
[INFO] [stdout]     |
[INFO] [stdout] 114 |     pub fn split_at_mut(&mut self, row: usize) -> (BitSubMatrixMut, BitSubMatrixMut) {
[INFO] [stdout]     |                         ^^^^^^^^^                  ---------------  --------------- the same lifetime is hidden here
[INFO] [stdout]     |                         |                          |
[INFO] [stdout]     |                         |                          the same lifetime is hidden 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] 114 |     pub fn split_at_mut(&mut self, row: usize) -> (BitSubMatrixMut<'_>, BitSubMatrixMut<'_>) {
[INFO] [stdout]     |                                                                   ++++                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/matrix.rs:124:21
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub fn iter_row(&self, row: usize) -> Iter {
[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] 124 |     pub fn iter_row(&self, row: usize) -> Iter<'_> {
[INFO] [stdout]     |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/row.rs:31:22
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn iter_bits(&self, len: usize) -> Iter {
[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] 31 |     pub fn iter_bits(&self, len: usize) -> Iter<'_> {
[INFO] [stdout]    |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/submatrix.rs:27:23
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn new(slice: &[Block], row_bits: usize) -> BitSubMatrix {
[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] 27 |     pub fn new(slice: &[Block], row_bits: usize) -> BitSubMatrix<'_> {
[INFO] [stdout]    |                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/submatrix.rs:55:23
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn new(slice: &mut [Block], row_bits: usize) -> BitSubMatrixMut {
[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] 55 |     pub fn new(slice: &mut [Block], row_bits: usize) -> BitSubMatrixMut<'_> {
[INFO] [stdout]    |                                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/submatrix.rs:104:46
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub fn sub_matrix<R: RangeBounds<usize>>(&self, range: R) -> BitSubMatrix {
[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] 104 |     pub fn sub_matrix<R: RangeBounds<usize>>(&self, range: R) -> BitSubMatrix<'_> {
[INFO] [stdout]     |                                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/submatrix.rs:121:21
[INFO] [stdout]     |
[INFO] [stdout] 121 |     pub fn split_at(&self, row: usize) -> (BitSubMatrix, BitSubMatrix) {
[INFO] [stdout]     |                     ^^^^^                  ------------  ------------ the same lifetime is hidden here
[INFO] [stdout]     |                     |                      |
[INFO] [stdout]     |                     |                      the same lifetime is hidden 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] 121 |     pub fn split_at(&self, row: usize) -> (BitSubMatrix<'_>, BitSubMatrix<'_>) {
[INFO] [stdout]     |                                                        ++++              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/submatrix.rs:131:25
[INFO] [stdout]     |
[INFO] [stdout] 131 |     pub fn split_at_mut(&mut self, row: usize) -> (BitSubMatrixMut, BitSubMatrixMut) {
[INFO] [stdout]     |                         ^^^^^^^^^                  ---------------  --------------- the same lifetime is hidden here
[INFO] [stdout]     |                         |                          |
[INFO] [stdout]     |                         |                          the same lifetime is hidden 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] 131 |     pub fn split_at_mut(&mut self, row: usize) -> (BitSubMatrixMut<'_>, BitSubMatrixMut<'_>) {
[INFO] [stdout]     |                                                                   ++++                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/matrix.rs:87:46
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn sub_matrix<R: RangeBounds<usize>>(&self, range: R) -> BitSubMatrix {
[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: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:11:24
[INFO] [stdout]    |
[INFO] [stdout] 11 | #![cfg_attr(test, deny(warnings))]
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(mismatched_lifetime_syntaxes)]` implied by `#[deny(warnings)]`
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn sub_matrix<R: RangeBounds<usize>>(&self, range: R) -> BitSubMatrix<'_> {
[INFO] [stdout]    |                                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/matrix.rs:104:21
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub fn split_at(&self, row: usize) -> (BitSubMatrix, BitSubMatrix) {
[INFO] [stdout]     |                     ^^^^^                  ------------  ------------ the same lifetime is hidden here
[INFO] [stdout]     |                     |                      |
[INFO] [stdout]     |                     |                      the same lifetime is hidden 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] 104 |     pub fn split_at(&self, row: usize) -> (BitSubMatrix<'_>, BitSubMatrix<'_>) {
[INFO] [stdout]     |                                                        ++++              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/matrix.rs:114:25
[INFO] [stdout]     |
[INFO] [stdout] 114 |     pub fn split_at_mut(&mut self, row: usize) -> (BitSubMatrixMut, BitSubMatrixMut) {
[INFO] [stdout]     |                         ^^^^^^^^^                  ---------------  --------------- the same lifetime is hidden here
[INFO] [stdout]     |                         |                          |
[INFO] [stdout]     |                         |                          the same lifetime is hidden 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] 114 |     pub fn split_at_mut(&mut self, row: usize) -> (BitSubMatrixMut<'_>, BitSubMatrixMut<'_>) {
[INFO] [stdout]     |                                                                   ++++                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/matrix.rs:124:21
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub fn iter_row(&self, row: usize) -> Iter {
[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] 124 |     pub fn iter_row(&self, row: usize) -> Iter<'_> {
[INFO] [stdout]     |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/row.rs:31:22
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn iter_bits(&self, len: usize) -> Iter {
[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] 31 |     pub fn iter_bits(&self, len: usize) -> Iter<'_> {
[INFO] [stdout]    |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/submatrix.rs:27:23
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn new(slice: &[Block], row_bits: usize) -> BitSubMatrix {
[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] 27 |     pub fn new(slice: &[Block], row_bits: usize) -> BitSubMatrix<'_> {
[INFO] [stdout]    |                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/submatrix.rs:55:23
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn new(slice: &mut [Block], row_bits: usize) -> BitSubMatrixMut {
[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] 55 |     pub fn new(slice: &mut [Block], row_bits: usize) -> BitSubMatrixMut<'_> {
[INFO] [stdout]    |                                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/submatrix.rs:104:46
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub fn sub_matrix<R: RangeBounds<usize>>(&self, range: R) -> BitSubMatrix {
[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] 104 |     pub fn sub_matrix<R: RangeBounds<usize>>(&self, range: R) -> BitSubMatrix<'_> {
[INFO] [stdout]     |                                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/submatrix.rs:121:21
[INFO] [stdout]     |
[INFO] [stdout] 121 |     pub fn split_at(&self, row: usize) -> (BitSubMatrix, BitSubMatrix) {
[INFO] [stdout]     |                     ^^^^^                  ------------  ------------ the same lifetime is hidden here
[INFO] [stdout]     |                     |                      |
[INFO] [stdout]     |                     |                      the same lifetime is hidden 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] 121 |     pub fn split_at(&self, row: usize) -> (BitSubMatrix<'_>, BitSubMatrix<'_>) {
[INFO] [stdout]     |                                                        ++++              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/submatrix.rs:131:25
[INFO] [stdout]     |
[INFO] [stdout] 131 |     pub fn split_at_mut(&mut self, row: usize) -> (BitSubMatrixMut, BitSubMatrixMut) {
[INFO] [stdout]     |                         ^^^^^^^^^                  ---------------  --------------- the same lifetime is hidden here
[INFO] [stdout]     |                         |                          |
[INFO] [stdout]     |                         |                          the same lifetime is hidden 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] 131 |     pub fn split_at_mut(&mut self, row: usize) -> (BitSubMatrixMut<'_>, BitSubMatrixMut<'_>) {
[INFO] [stdout]     |                                                                   ++++                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bit-matrix` (lib test) due to 10 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "96a9a2b6152ace73fcf69bd935c2d2724df850f2e268543f2eaf83acec3b5fc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96a9a2b6152ace73fcf69bd935c2d2724df850f2e268543f2eaf83acec3b5fc0", kill_on_drop: false }`
[INFO] [stdout] 96a9a2b6152ace73fcf69bd935c2d2724df850f2e268543f2eaf83acec3b5fc0
