[INFO] cloning repository https://github.com/kpliuniverse/rusty-diff-match-patch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kpliuniverse/rusty-diff-match-patch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkpliuniverse%2Frusty-diff-match-patch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkpliuniverse%2Frusty-diff-match-patch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6fe573d671bbfcbd3f3f4d1f172be0c34a2ea971
[INFO] checking kpliuniverse/rusty-diff-match-patch against 52995a223f2919dd3e2e427231db90a257350ded for pr-129249-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkpliuniverse%2Frusty-diff-match-patch" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kpliuniverse/rusty-diff-match-patch
[INFO] finished tweaking git repo https://github.com/kpliuniverse/rusty-diff-match-patch
[INFO] tweaked toml for git repo https://github.com/kpliuniverse/rusty-diff-match-patch written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kpliuniverse/rusty-diff-match-patch on toolchain 52995a223f2919dd3e2e427231db90a257350ded
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kpliuniverse/rusty-diff-match-patch 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" "+52995a223f2919dd3e2e427231db90a257350ded" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:c0af3998e971868164375a7dfb646c9933ddd1a3bdb00fa2041266763dc1eeab" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 4c45f3390833747e62c228080f4cb8595c7d494a44794fbb85240cd2e8bbb2ec
[INFO] running `Command { std: "docker" "start" "4c45f3390833747e62c228080f4cb8595c7d494a44794fbb85240cd2e8bbb2ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c45f3390833747e62c228080f4cb8595c7d494a44794fbb85240cd2e8bbb2ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4c45f3390833747e62c228080f4cb8595c7d494a44794fbb85240cd2e8bbb2ec" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c45f3390833747e62c228080f4cb8595c7d494a44794fbb85240cd2e8bbb2ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4c45f3390833747e62c228080f4cb8595c7d494a44794fbb85240cd2e8bbb2ec" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling pyo3-build-config v0.29.2
[INFO] [stderr]     Checking diff-match-patch-rs v0.5.1 (/opt/rustwide/workdir/fork)
[INFO] [stderr]    Compiling pyo3-ffi v0.29.2
[INFO] [stderr]    Compiling pyo3 v0.29.2
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling pyo3-macros-backend v0.29.2
[INFO] [stderr]    Compiling pyo3-macros v0.29.2
[INFO] [stderr]     Checking rusty-diff-match-patch v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self as dmp`
[INFO] [stdout]  --> src/lib.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use diff_match_patch_rs::{self as dmp};
[INFO] [stdout]   |                           ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Display`
[INFO] [stdout]  --> src/lib.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     use std::fmt::Display;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PatchInput::TextDiffs`
[INFO] [stdout]   --> src/lib.rs:12:44
[INFO] [stdout]    |
[INFO] [stdout] 12 |     use diff_match_patch_rs::{self as dmp, PatchInput::TextDiffs};
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Diffs` and `TwoTexts`
[INFO] [stdout]   --> src/lib.rs:14:145
[INFO] [stdout]    |
[INFO] [stdout] 14 | ...Vec}, DiffType::{CompatDiff, EfficientDiff}, PatchArgs::{Diffs, TwoTexts}};
[INFO] [stdout]    |                                                             ^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self as dmp`
[INFO] [stdout]  --> src/lib.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use diff_match_patch_rs::{self as dmp};
[INFO] [stdout]   |                           ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Display`
[INFO] [stdout]  --> src/lib.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     use std::fmt::Display;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PatchInput::TextDiffs`
[INFO] [stdout]   --> src/lib.rs:12:44
[INFO] [stdout]    |
[INFO] [stdout] 12 |     use diff_match_patch_rs::{self as dmp, PatchInput::TextDiffs};
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Diffs` and `TwoTexts`
[INFO] [stdout]   --> src/lib.rs:14:145
[INFO] [stdout]    |
[INFO] [stdout] 14 | ...Vec}, DiffType::{CompatDiff, EfficientDiff}, PatchArgs::{Diffs, TwoTexts}};
[INFO] [stdout]    |                                                             ^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `pyo3::PyErr`
[INFO] [stdout]    --> src/lib.rs:357:54
[INFO] [stdout]     |
[INFO] [stdout] 357 |         fn diff_main(&self, old: &str, new: &str) -> PyResult<Vec<Diff>> {
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `pyo3::PyErr`
[INFO] [stdout]    --> src/lib.rs:393:76
[INFO] [stdout]     |
[INFO] [stdout] 393 |         fn diff_cleanup_efficiency(&self, diffs: &'_ Bound<'_, PyList>) -> PyResult<()> {
[INFO] [stdout]     |                                                                            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `pyo3::PyErr`
[INFO] [stdout]    --> src/lib.rs:400:74
[INFO] [stdout]     |
[INFO] [stdout] 400 |         fn diff_cleanup_semantic(&self, diffs: &'_ Bound<'_, PyList>) -> PyResult<()> {
[INFO] [stdout]     |                                                                          ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `pyo3::PyErr`
[INFO] [stdout]    --> src/lib.rs:406:69
[INFO] [stdout]     |
[INFO] [stdout] 406 |         fn diff_levenshtein(&self, diffs: &'_ Bound<'_, PyList>) -> PyResult<usize> {
[INFO] [stdout]     |                                                                     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `pyo3::PyErr`
[INFO] [stdout]    --> src/lib.rs:426:50
[INFO] [stdout]     |
[INFO] [stdout] 426 |         fn patch_make(&self, args: PatchArgs) -> PyResult<Vec<Patch>> {
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `pyo3::PyErr`
[INFO] [stdout]    --> src/lib.rs:475:68
[INFO] [stdout]     |
[INFO] [stdout] 475 |         fn patch_to_text(&self, patches: &'_ Bound<'_, PyList>) -> PyResult<String> {
[INFO] [stdout]     |                                                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `pyo3::PyErr`
[INFO] [stdout]    --> src/lib.rs:495:50
[INFO] [stdout]     |
[INFO] [stdout] 495 |         fn patch_from_text(&self, text: &str) -> PyResult<Vec<Patch>> {
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `pyo3::PyErr`
[INFO] [stdout]    --> src/lib.rs:509:84
[INFO] [stdout]     |
[INFO] [stdout] 509 |         fn patch_apply(&self, source_txt: &str, patches: &'_ Bound<'_, PyList>) -> PyResult<(String, Vec<bool>)> {
[INFO] [stdout]     |                                                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rusty-diff-match-patch` (lib test) due to 8 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: useless conversion to the same type: `pyo3::PyErr`
[INFO] [stdout]    --> src/lib.rs:357:54
[INFO] [stdout]     |
[INFO] [stdout] 357 |         fn diff_main(&self, old: &str, new: &str) -> PyResult<Vec<Diff>> {
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `pyo3::PyErr`
[INFO] [stdout]    --> src/lib.rs:393:76
[INFO] [stdout]     |
[INFO] [stdout] 393 |         fn diff_cleanup_efficiency(&self, diffs: &'_ Bound<'_, PyList>) -> PyResult<()> {
[INFO] [stdout]     |                                                                            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `pyo3::PyErr`
[INFO] [stdout]    --> src/lib.rs:400:74
[INFO] [stdout]     |
[INFO] [stdout] 400 |         fn diff_cleanup_semantic(&self, diffs: &'_ Bound<'_, PyList>) -> PyResult<()> {
[INFO] [stdout]     |                                                                          ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `pyo3::PyErr`
[INFO] [stdout]    --> src/lib.rs:406:69
[INFO] [stdout]     |
[INFO] [stdout] 406 |         fn diff_levenshtein(&self, diffs: &'_ Bound<'_, PyList>) -> PyResult<usize> {
[INFO] [stdout]     |                                                                     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `pyo3::PyErr`
[INFO] [stdout]    --> src/lib.rs:426:50
[INFO] [stdout]     |
[INFO] [stdout] 426 |         fn patch_make(&self, args: PatchArgs) -> PyResult<Vec<Patch>> {
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `pyo3::PyErr`
[INFO] [stdout]    --> src/lib.rs:475:68
[INFO] [stdout]     |
[INFO] [stdout] 475 |         fn patch_to_text(&self, patches: &'_ Bound<'_, PyList>) -> PyResult<String> {
[INFO] [stdout]     |                                                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `pyo3::PyErr`
[INFO] [stdout]    --> src/lib.rs:495:50
[INFO] [stdout]     |
[INFO] [stdout] 495 |         fn patch_from_text(&self, text: &str) -> PyResult<Vec<Patch>> {
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `pyo3::PyErr`
[INFO] [stdout]    --> src/lib.rs:509:84
[INFO] [stdout]     |
[INFO] [stdout] 509 |         fn patch_apply(&self, source_txt: &str, patches: &'_ Bound<'_, PyList>) -> PyResult<(String, Vec<bool>)> {
[INFO] [stdout]     |                                                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rusty-diff-match-patch` (lib) due to 8 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "4c45f3390833747e62c228080f4cb8595c7d494a44794fbb85240cd2e8bbb2ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c45f3390833747e62c228080f4cb8595c7d494a44794fbb85240cd2e8bbb2ec", kill_on_drop: false }`
[INFO] [stdout] 4c45f3390833747e62c228080f4cb8595c7d494a44794fbb85240cd2e8bbb2ec
