[INFO] fetching crate regex-cpp-bindings 0.5.0-prerelease...
[INFO] checking regex-cpp-bindings-0.5.0-prerelease against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3
[INFO] extracting crate regex-cpp-bindings 0.5.0-prerelease into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate regex-cpp-bindings 0.5.0-prerelease
[INFO] finished tweaking crates.io crate regex-cpp-bindings 0.5.0-prerelease
[INFO] tweaked toml for crates.io crate regex-cpp-bindings 0.5.0-prerelease written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate regex-cpp-bindings 0.5.0-prerelease on toolchain a5689b034ad287112f709693384a37f1377eb9cc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate regex-cpp-bindings 0.5.0-prerelease 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" "+a5689b034ad287112f709693384a37f1377eb9cc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr] warning: `regex-cpp-bindings` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] f4af7010274103271ffb5e3fcb0852cd25a044bee2b51c4f942f59d9137c0bfb
[INFO] running `Command { std: "docker" "start" "f4af7010274103271ffb5e3fcb0852cd25a044bee2b51c4f942f59d9137c0bfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4af7010274103271ffb5e3fcb0852cd25a044bee2b51c4f942f59d9137c0bfb", 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" "f4af7010274103271ffb5e3fcb0852cd25a044bee2b51c4f942f59d9137c0bfb" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4af7010274103271ffb5e3fcb0852cd25a044bee2b51c4f942f59d9137c0bfb", 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" "f4af7010274103271ffb5e3fcb0852cd25a044bee2b51c4f942f59d9137c0bfb" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr] warning: `regex-cpp-bindings` (manifest) generated 1 warning
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking aho-corasick v1.1.5
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]     Checking regex-automata v0.4.18
[INFO] [stderr]     Checking regex v1.13.1
[INFO] [stderr]     Checking regex-cpp-bindings v0.5.0-prerelease (/opt/rustwide/workdir)
[INFO] [stdout] error: useless conversion to the same type: `Result<i8, Vec<u8>>`
[INFO] [stdout]   --> rust/lib.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |         parse_integer(self.as_bytes(), radix).into()
[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] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 67 -         parse_integer(self.as_bytes(), radix).into()
[INFO] [stdout] 67 +         parse_integer(self.as_bytes(), radix)
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 67 -         parse_integer(self.as_bytes(), radix).into()
[INFO] [stdout] 67 +         <Result<i8, Vec<u8>> as Into<_>>::into(parse_integer(self.as_bytes(), radix))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `Result<u8, Vec<u8>>`
[INFO] [stdout]   --> rust/lib.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |         parse_integer(self.as_bytes(), radix).into()
[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] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 70 -         parse_integer(self.as_bytes(), radix).into()
[INFO] [stdout] 70 +         parse_integer(self.as_bytes(), radix)
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 70 -         parse_integer(self.as_bytes(), radix).into()
[INFO] [stdout] 70 +         <Result<u8, Vec<u8>> as Into<_>>::into(parse_integer(self.as_bytes(), radix))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `Result<i16, Vec<u8>>`
[INFO] [stdout]   --> rust/lib.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         parse_integer(self.as_bytes(), radix).into()
[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] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 73 -         parse_integer(self.as_bytes(), radix).into()
[INFO] [stdout] 73 +         parse_integer(self.as_bytes(), radix)
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 73 -         parse_integer(self.as_bytes(), radix).into()
[INFO] [stdout] 73 +         <Result<i16, Vec<u8>> as Into<_>>::into(parse_integer(self.as_bytes(), radix))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `Result<u16, Vec<u8>>`
[INFO] [stdout]   --> rust/lib.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |         parse_integer(self.as_bytes(), radix).into()
[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] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 76 -         parse_integer(self.as_bytes(), radix).into()
[INFO] [stdout] 76 +         parse_integer(self.as_bytes(), radix)
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 76 -         parse_integer(self.as_bytes(), radix).into()
[INFO] [stdout] 76 +         <Result<u16, Vec<u8>> as Into<_>>::into(parse_integer(self.as_bytes(), radix))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `Result<i32, Vec<u8>>`
[INFO] [stdout]   --> rust/lib.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |         parse_integer(self.as_bytes(), radix).into()
[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] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 79 -         parse_integer(self.as_bytes(), radix).into()
[INFO] [stdout] 79 +         parse_integer(self.as_bytes(), radix)
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 79 -         parse_integer(self.as_bytes(), radix).into()
[INFO] [stdout] 79 +         <Result<i32, Vec<u8>> as Into<_>>::into(parse_integer(self.as_bytes(), radix))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `Result<u32, Vec<u8>>`
[INFO] [stdout]   --> rust/lib.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |         parse_integer(self.as_bytes(), radix).into()
[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] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 82 -         parse_integer(self.as_bytes(), radix).into()
[INFO] [stdout] 82 +         parse_integer(self.as_bytes(), radix)
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 82 -         parse_integer(self.as_bytes(), radix).into()
[INFO] [stdout] 82 +         <Result<u32, Vec<u8>> as Into<_>>::into(parse_integer(self.as_bytes(), radix))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `Result<i64, Vec<u8>>`
[INFO] [stdout]   --> rust/lib.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |         parse_integer(self.as_bytes(), radix).into()
[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] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 85 -         parse_integer(self.as_bytes(), radix).into()
[INFO] [stdout] 85 +         parse_integer(self.as_bytes(), radix)
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 85 -         parse_integer(self.as_bytes(), radix).into()
[INFO] [stdout] 85 +         <Result<i64, Vec<u8>> as Into<_>>::into(parse_integer(self.as_bytes(), radix))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `Result<u64, Vec<u8>>`
[INFO] [stdout]   --> rust/lib.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |         parse_integer(self.as_bytes(), radix).into()
[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] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 88 -         parse_integer(self.as_bytes(), radix).into()
[INFO] [stdout] 88 +         parse_integer(self.as_bytes(), radix)
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 88 -         parse_integer(self.as_bytes(), radix).into()
[INFO] [stdout] 88 +         <Result<u64, Vec<u8>> as Into<_>>::into(parse_integer(self.as_bytes(), radix))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `Result<f32, Vec<u8>>`
[INFO] [stdout]   --> rust/lib.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |         parse_float(self.as_bytes()).into()
[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] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 91 -         parse_float(self.as_bytes()).into()
[INFO] [stdout] 91 +         parse_float(self.as_bytes())
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 91 -         parse_float(self.as_bytes()).into()
[INFO] [stdout] 91 +         <Result<f32, Vec<u8>> as Into<_>>::into(parse_float(self.as_bytes()))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `Result<f64, Vec<u8>>`
[INFO] [stdout]   --> rust/lib.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |         parse_float(self.as_bytes()).into()
[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] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 94 -         parse_float(self.as_bytes()).into()
[INFO] [stdout] 94 +         parse_float(self.as_bytes())
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 94 -         parse_float(self.as_bytes()).into()
[INFO] [stdout] 94 +         <Result<f64, Vec<u8>> as Into<_>>::into(parse_float(self.as_bytes()))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> rust/lib.rs:554:26
[INFO] [stdout]     |
[INFO] [stdout] 554 |     pub fn capture_names(&self) -> CaptureNames {
[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] 554 |     pub fn capture_names(&self) -> CaptureNames<'_> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `regex-cpp-bindings` (lib) due to 10 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f4af7010274103271ffb5e3fcb0852cd25a044bee2b51c4f942f59d9137c0bfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4af7010274103271ffb5e3fcb0852cd25a044bee2b51c4f942f59d9137c0bfb", kill_on_drop: false }`
[INFO] [stdout] f4af7010274103271ffb5e3fcb0852cd25a044bee2b51c4f942f59d9137c0bfb
