[INFO] cloning repository https://github.com/lineality/tofu_hex_editor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lineality/tofu_hex_editor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flineality%2Ftofu_hex_editor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flineality%2Ftofu_hex_editor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] edd70d57e843ffa9f462a9009582e9064ba42f55
[INFO] testing lineality/tofu_hex_editor against master#2fd6efc32704647e64d3d646d21c4c68eae100e4 for pr-149852-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flineality%2Ftofu_hex_editor" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lineality/tofu_hex_editor
[INFO] finished tweaking git repo https://github.com/lineality/tofu_hex_editor
[INFO] tweaked toml for git repo https://github.com/lineality/tofu_hex_editor written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lineality/tofu_hex_editor on toolchain 2fd6efc32704647e64d3d646d21c4c68eae100e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lineality/tofu_hex_editor 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" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bytecount v0.5.1
[INFO] [stderr]   Downloaded xi-rope v0.3.0
[INFO] [stderr]   Downloaded crossterm v0.22.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d898c3edd1d2f04df98410fab7a68c32666e38a771ff4f876fb3a7e7acab9595
[INFO] running `Command { std: "docker" "start" "-a" "d898c3edd1d2f04df98410fab7a68c32666e38a771ff4f876fb3a7e7acab9595", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d898c3edd1d2f04df98410fab7a68c32666e38a771ff4f876fb3a7e7acab9595", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d898c3edd1d2f04df98410fab7a68c32666e38a771ff4f876fb3a7e7acab9595", kill_on_drop: false }`
[INFO] [stdout] d898c3edd1d2f04df98410fab7a68c32666e38a771ff4f876fb3a7e7acab9595
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b948dae436bc92fcdbc9323f4ee847baa4f2c67ae0fd1dba6f9e7bb7e104b63
[INFO] running `Command { std: "docker" "start" "-a" "9b948dae436bc92fcdbc9323f4ee847baa4f2c67ae0fd1dba6f9e7bb7e104b63", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.168
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling jetscii v0.5.3
[INFO] [stderr]    Compiling bytecount v0.5.1
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling signal-hook-mio v0.2.4
[INFO] [stderr]    Compiling crossterm v0.22.1
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling xi-rope v0.3.0
[INFO] [stderr]    Compiling tofu v0.2.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `should_trim`
[INFO] [stdout]     --> src/hex_view/view.rs:1522:25
[INFO] [stdout]      |
[INFO] [stdout] 1522 |                     let should_trim = self.should_trim_buffer();
[INFO] [stdout]      |                         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_should_trim`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MixedRepr` is never constructed
[INFO] [stdout]   --> src/hex_view/view.rs:91:8
[INFO] [stdout]    |
[INFO] [stdout] 91 | struct MixedRepr(u8);
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/hex_view/view.rs:401:8
[INFO] [stdout]     |
[INFO] [stdout] 386 | impl HexView {
[INFO] [stdout]     | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 401 |     fn is_near_bottom(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 415 |     fn is_near_top(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 421 |     fn add_chunk_to_bottom(&mut self, chunk_size: usize) -> std::result::Result<(), std::io::Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 464 |     fn add_chunk_to_top(&mut self, chunk_size: usize) -> std::result::Result<(), std::io::Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 550 |     fn trim_buffer_bottom(&mut self, chunk_size: usize) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 690 |     fn manage_buffer(&mut self) -> std::result::Result<(), std::io::Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 757 |     fn is_valid_offset(&self, offset: usize) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/byte_rope.rs:108:43
[INFO] [stdout]     |
[INFO] [stdout] 108 |     pub fn iter_chunks<T: IntervalBounds>(&self, range: T) -> ChunkIter {
[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] 108 |     pub fn iter_chunks<T: IntervalBounds>(&self, range: T) -> ChunkIter<'_> {
[INFO] [stdout]     |                                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/byte_rope.rs:116:44
[INFO] [stdout]     |
[INFO] [stdout] 116 |     pub fn slice_to_cow<T: IntervalBounds>(&self, range: T) -> Cow<[u8]> {
[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] 116 |     pub fn slice_to_cow<T: IntervalBounds>(&self, range: T) -> Cow<'_, [u8]> {
[INFO] [stdout]     |                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.04s
[INFO] running `Command { std: "docker" "inspect" "9b948dae436bc92fcdbc9323f4ee847baa4f2c67ae0fd1dba6f9e7bb7e104b63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b948dae436bc92fcdbc9323f4ee847baa4f2c67ae0fd1dba6f9e7bb7e104b63", kill_on_drop: false }`
[INFO] [stdout] 9b948dae436bc92fcdbc9323f4ee847baa4f2c67ae0fd1dba6f9e7bb7e104b63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb5d4cfeee567020b778a2d633e16bafdef30d002533f04fa9a0bd10148c28fc
[INFO] running `Command { std: "docker" "start" "-a" "fb5d4cfeee567020b778a2d633e16bafdef30d002533f04fa9a0bd10148c28fc", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `should_trim`
[INFO] [stdout]     --> src/hex_view/view.rs:1522:25
[INFO] [stdout]      |
[INFO] [stdout] 1522 |                     let should_trim = self.should_trim_buffer();
[INFO] [stdout]      |                         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_should_trim`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MixedRepr` is never constructed
[INFO] [stdout]   --> src/hex_view/view.rs:91:8
[INFO] [stdout]    |
[INFO] [stdout] 91 | struct MixedRepr(u8);
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/hex_view/view.rs:401:8
[INFO] [stdout]     |
[INFO] [stdout] 386 | impl HexView {
[INFO] [stdout]     | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 401 |     fn is_near_bottom(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 415 |     fn is_near_top(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 421 |     fn add_chunk_to_bottom(&mut self, chunk_size: usize) -> std::result::Result<(), std::io::Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 464 |     fn add_chunk_to_top(&mut self, chunk_size: usize) -> std::result::Result<(), std::io::Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 550 |     fn trim_buffer_bottom(&mut self, chunk_size: usize) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 690 |     fn manage_buffer(&mut self) -> std::result::Result<(), std::io::Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 757 |     fn is_valid_offset(&self, offset: usize) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/byte_rope.rs:108:43
[INFO] [stdout]     |
[INFO] [stdout] 108 |     pub fn iter_chunks<T: IntervalBounds>(&self, range: T) -> ChunkIter {
[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] 108 |     pub fn iter_chunks<T: IntervalBounds>(&self, range: T) -> ChunkIter<'_> {
[INFO] [stdout]     |                                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/byte_rope.rs:116:44
[INFO] [stdout]     |
[INFO] [stdout] 116 |     pub fn slice_to_cow<T: IntervalBounds>(&self, range: T) -> Cow<[u8]> {
[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] 116 |     pub fn slice_to_cow<T: IntervalBounds>(&self, range: T) -> Cow<'_, [u8]> {
[INFO] [stdout]     |                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tofu v0.2.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `should_trim`
[INFO] [stdout]     --> src/hex_view/view.rs:1522:25
[INFO] [stdout]      |
[INFO] [stdout] 1522 |                     let should_trim = self.should_trim_buffer();
[INFO] [stdout]      |                         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_should_trim`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MixedRepr` is never constructed
[INFO] [stdout]   --> src/hex_view/view.rs:91:8
[INFO] [stdout]    |
[INFO] [stdout] 91 | struct MixedRepr(u8);
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/hex_view/view.rs:401:8
[INFO] [stdout]     |
[INFO] [stdout] 386 | impl HexView {
[INFO] [stdout]     | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 401 |     fn is_near_bottom(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 415 |     fn is_near_top(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 421 |     fn add_chunk_to_bottom(&mut self, chunk_size: usize) -> std::result::Result<(), std::io::Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 464 |     fn add_chunk_to_top(&mut self, chunk_size: usize) -> std::result::Result<(), std::io::Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 550 |     fn trim_buffer_bottom(&mut self, chunk_size: usize) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 690 |     fn manage_buffer(&mut self) -> std::result::Result<(), std::io::Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 757 |     fn is_valid_offset(&self, offset: usize) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/byte_rope.rs:108:43
[INFO] [stdout]     |
[INFO] [stdout] 108 |     pub fn iter_chunks<T: IntervalBounds>(&self, range: T) -> ChunkIter {
[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] 108 |     pub fn iter_chunks<T: IntervalBounds>(&self, range: T) -> ChunkIter<'_> {
[INFO] [stdout]     |                                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/byte_rope.rs:116:44
[INFO] [stdout]     |
[INFO] [stdout] 116 |     pub fn slice_to_cow<T: IntervalBounds>(&self, range: T) -> Cow<[u8]> {
[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] 116 |     pub fn slice_to_cow<T: IntervalBounds>(&self, range: T) -> Cow<'_, [u8]> {
[INFO] [stdout]     |                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.74s
[INFO] running `Command { std: "docker" "inspect" "fb5d4cfeee567020b778a2d633e16bafdef30d002533f04fa9a0bd10148c28fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb5d4cfeee567020b778a2d633e16bafdef30d002533f04fa9a0bd10148c28fc", kill_on_drop: false }`
[INFO] [stdout] fb5d4cfeee567020b778a2d633e16bafdef30d002533f04fa9a0bd10148c28fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c23a4d24f6f91fbf31fb5d8bf223478fd8f8a1e0e1760f09f3edb8f525e56afb
[INFO] running `Command { std: "docker" "start" "-a" "c23a4d24f6f91fbf31fb5d8bf223478fd8f8a1e0e1760f09f3edb8f525e56afb", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `should_trim`
[INFO] [stderr]     --> src/hex_view/view.rs:1522:25
[INFO] [stderr]      |
[INFO] [stderr] 1522 |                     let should_trim = self.should_trim_buffer();
[INFO] [stderr]      |                         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_should_trim`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `MixedRepr` is never constructed
[INFO] [stderr]   --> src/hex_view/view.rs:91:8
[INFO] [stderr]    |
[INFO] [stderr] 91 | struct MixedRepr(u8);
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: multiple methods are never used
[INFO] [stderr]    --> src/hex_view/view.rs:401:8
[INFO] [stderr]     |
[INFO] [stderr] 386 | impl HexView {
[INFO] [stderr]     | ------------ methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 401 |     fn is_near_bottom(&self) -> bool {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 415 |     fn is_near_top(&self) -> bool {
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 421 |     fn add_chunk_to_bottom(&mut self, chunk_size: usize) -> std::result::Result<(), std::io::Error> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 464 |     fn add_chunk_to_top(&mut self, chunk_size: usize) -> std::result::Result<(), std::io::Error> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 550 |     fn trim_buffer_bottom(&mut self, chunk_size: usize) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 690 |     fn manage_buffer(&mut self) -> std::result::Result<(), std::io::Error> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 757 |     fn is_valid_offset(&self, offset: usize) -> bool {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/byte_rope.rs:108:43
[INFO] [stderr]     |
[INFO] [stderr] 108 |     pub fn iter_chunks<T: IntervalBounds>(&self, range: T) -> ChunkIter {
[INFO] [stderr]     |                                           ^^^^^               ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                                           |
[INFO] [stderr]     |                                           the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 108 |     pub fn iter_chunks<T: IntervalBounds>(&self, range: T) -> ChunkIter<'_> {
[INFO] [stderr]     |                                                                        ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/byte_rope.rs:116:44
[INFO] [stderr]     |
[INFO] [stderr] 116 |     pub fn slice_to_cow<T: IntervalBounds>(&self, range: T) -> Cow<[u8]> {
[INFO] [stderr]     |                                            ^^^^^               ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                                            |
[INFO] [stderr]     |                                            the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 116 |     pub fn slice_to_cow<T: IntervalBounds>(&self, range: T) -> Cow<'_, [u8]> {
[INFO] [stderr]     |                                                                    +++
[INFO] [stderr] 
[INFO] [stderr] warning: `tofu` (lib) generated 5 warnings (run `cargo fix --lib -p tofu` to apply 3 suggestions)
[INFO] [stderr] warning: `tofu` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tofu-0edaabe1724c0a7d)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test hex_view::byte_properties::tests::test_utf16_into_char ... ok
[INFO] [stdout] test history::test::test_chain_delete ... ok
[INFO] [stdout] test history::test::test_chain_insert ... ok
[INFO] [stdout] test history::test::test_chain_insert_delete ... ok
[INFO] [stdout] test history::test::test_chain_delete_insert ... ok
[INFO] [stdout] test history::test::test_delete ... ok
[INFO] [stdout] test history::test::test_insert ... ok
[INFO] [stdout] test history::test::test_middle_delete ... ok
[INFO] [stdout] test history::test::test_replace ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/tofu.rs (/opt/rustwide/target/debug/deps/tofu-8b9787978b2f3daf)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tofu
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/hex_view/view.rs - hex_view::view::HexView::offset_to_row (line 778) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/hex_view/view.rs - hex_view::view::HexView::offset_to_row (line 778) stdout ----
[INFO] [stdout] error: missing `fn` or `struct` for function or struct definition
[INFO] [stdout]    --> src/hex_view/view.rs:783:1
[INFO] [stdout]     |
[INFO] [stdout] 783 | offset_to_row(48)  // -> Ok(1)  // (48-32)/16 = 1 (second line on screen)
[INFO] [stdout]     | ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to call a macro, try
[INFO] [stdout]     |
[INFO] [stdout] 783 | offset_to_row!(48)  // -> Ok(1)  // (48-32)/16 = 1 (second line on screen)
[INFO] [stdout]     |              +
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/hex_view/view.rs - hex_view::view::HexView::offset_to_row (line 778)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.18s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "c23a4d24f6f91fbf31fb5d8bf223478fd8f8a1e0e1760f09f3edb8f525e56afb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c23a4d24f6f91fbf31fb5d8bf223478fd8f8a1e0e1760f09f3edb8f525e56afb", kill_on_drop: false }`
[INFO] [stdout] c23a4d24f6f91fbf31fb5d8bf223478fd8f8a1e0e1760f09f3edb8f525e56afb
