[INFO] cloning repository https://github.com/Kyllingene/slice-utils
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kyllingene/slice-utils" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKyllingene%2Fslice-utils", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKyllingene%2Fslice-utils'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6aed53ab6f8ca2a4f9a3811c82476e35a4a74905
[INFO] checking Kyllingene/slice-utils against try#fa4dd1f19bfeb3fd235dc7f1406c42404436bef5 for pr-145108-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKyllingene%2Fslice-utils" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-2-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/Kyllingene/slice-utils
[INFO] finished tweaking git repo https://github.com/Kyllingene/slice-utils
[INFO] tweaked toml for git repo https://github.com/Kyllingene/slice-utils written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Kyllingene/slice-utils on toolchain fa4dd1f19bfeb3fd235dc7f1406c42404436bef5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fa4dd1f19bfeb3fd235dc7f1406c42404436bef5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Kyllingene/slice-utils 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" "+fa4dd1f19bfeb3fd235dc7f1406c42404436bef5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+fa4dd1f19bfeb3fd235dc7f1406c42404436bef5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cca3d2f0e3f73a733170314938536a8623d9bca23ee61313d910866deb120f90
[INFO] running `Command { std: "docker" "start" "-a" "cca3d2f0e3f73a733170314938536a8623d9bca23ee61313d910866deb120f90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cca3d2f0e3f73a733170314938536a8623d9bca23ee61313d910866deb120f90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cca3d2f0e3f73a733170314938536a8623d9bca23ee61313d910866deb120f90", kill_on_drop: false }`
[INFO] [stdout] cca3d2f0e3f73a733170314938536a8623d9bca23ee61313d910866deb120f90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+fa4dd1f19bfeb3fd235dc7f1406c42404436bef5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c7d83a8adf65fa423f0f106467a178fb9275cc2c7cc3ae78b79867ed79ccf76
[INFO] running `Command { std: "docker" "start" "-a" "5c7d83a8adf65fa423f0f106467a178fb9275cc2c7cc3ae78b79867ed79ccf76", kill_on_drop: false }`
[INFO] [stderr]     Checking slice-utils v2.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:222:37
[INFO] [stdout]     |
[INFO] [stdout] 222 |     fn array_chunks<const N: usize>(&self) -> ArrayChunksBorrowed<Self, N> {
[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] 222 |     fn array_chunks<const N: usize>(&self) -> ArrayChunksBorrowed<'_, Self, N> {
[INFO] [stdout]     |                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:251:38
[INFO] [stdout]     |
[INFO] [stdout] 251 |     fn array_windows<const N: usize>(&self) -> ArrayWindowsBorrowed<Self, N> {
[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] 251 |     fn array_windows<const N: usize>(&self) -> ArrayWindowsBorrowed<'_, Self, N> {
[INFO] [stdout]     |                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:276:15
[INFO] [stdout]     |
[INFO] [stdout] 276 |     fn chunks(&self, size: usize) -> ChunksBorrowed<Self> {
[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] 276 |     fn chunks(&self, size: usize) -> ChunksBorrowed<'_, Self> {
[INFO] [stdout]     |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:336:13
[INFO] [stdout]     |
[INFO] [stdout] 336 |     fn iter(&self) -> IterBorrowed<Self> {
[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] 336 |     fn iter(&self) -> IterBorrowed<'_, Self> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:365:16
[INFO] [stdout]     |
[INFO] [stdout] 365 |     fn windows(&self, size: usize) -> WindowsBorrowed<Self> {
[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] 365 |     fn windows(&self, size: usize) -> WindowsBorrowed<'_, Self> {
[INFO] [stdout]     |                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:396:18
[INFO] [stdout]     |
[INFO] [stdout] 396 |     fn split_mut(&mut self, at: usize) -> Option<(SplitMut<Self>, SplitMut<Self>)>
[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] 396 |     fn split_mut(&mut self, at: usize) -> Option<(SplitMut<'_, Self>, SplitMut<'_, Self>)>
[INFO] [stdout]     |                                                            +++                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:524:15
[INFO] [stdout]     |
[INFO] [stdout] 524 |     fn chunks(&self, size: usize) -> ChunksOwned<Self> {
[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] 524 |     fn chunks(&self, size: usize) -> ChunksOwned<'_, Self> {
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:607:16
[INFO] [stdout]     |
[INFO] [stdout] 607 |     fn windows(&self, size: usize) -> WindowsOwned<Self> {
[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] 607 |     fn windows(&self, size: usize) -> WindowsOwned<'_, Self> {
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:222:37
[INFO] [stdout]     |
[INFO] [stdout] 222 |     fn array_chunks<const N: usize>(&self) -> ArrayChunksBorrowed<Self, N> {
[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] 222 |     fn array_chunks<const N: usize>(&self) -> ArrayChunksBorrowed<'_, Self, N> {
[INFO] [stdout]     |                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:251:38
[INFO] [stdout]     |
[INFO] [stdout] 251 |     fn array_windows<const N: usize>(&self) -> ArrayWindowsBorrowed<Self, N> {
[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] 251 |     fn array_windows<const N: usize>(&self) -> ArrayWindowsBorrowed<'_, Self, N> {
[INFO] [stdout]     |                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:276:15
[INFO] [stdout]     |
[INFO] [stdout] 276 |     fn chunks(&self, size: usize) -> ChunksBorrowed<Self> {
[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] 276 |     fn chunks(&self, size: usize) -> ChunksBorrowed<'_, Self> {
[INFO] [stdout]     |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:336:13
[INFO] [stdout]     |
[INFO] [stdout] 336 |     fn iter(&self) -> IterBorrowed<Self> {
[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] 336 |     fn iter(&self) -> IterBorrowed<'_, Self> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:365:16
[INFO] [stdout]     |
[INFO] [stdout] 365 |     fn windows(&self, size: usize) -> WindowsBorrowed<Self> {
[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] 365 |     fn windows(&self, size: usize) -> WindowsBorrowed<'_, Self> {
[INFO] [stdout]     |                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:396:18
[INFO] [stdout]     |
[INFO] [stdout] 396 |     fn split_mut(&mut self, at: usize) -> Option<(SplitMut<Self>, SplitMut<Self>)>
[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] 396 |     fn split_mut(&mut self, at: usize) -> Option<(SplitMut<'_, Self>, SplitMut<'_, Self>)>
[INFO] [stdout]     |                                                            +++                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:524:15
[INFO] [stdout]     |
[INFO] [stdout] 524 |     fn chunks(&self, size: usize) -> ChunksOwned<Self> {
[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] 524 |     fn chunks(&self, size: usize) -> ChunksOwned<'_, Self> {
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:607:16
[INFO] [stdout]     |
[INFO] [stdout] 607 |     fn windows(&self, size: usize) -> WindowsOwned<Self> {
[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] 607 |     fn windows(&self, size: usize) -> WindowsOwned<'_, Self> {
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "5c7d83a8adf65fa423f0f106467a178fb9275cc2c7cc3ae78b79867ed79ccf76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c7d83a8adf65fa423f0f106467a178fb9275cc2c7cc3ae78b79867ed79ccf76", kill_on_drop: false }`
[INFO] [stdout] 5c7d83a8adf65fa423f0f106467a178fb9275cc2c7cc3ae78b79867ed79ccf76
