[INFO] fetching crate mathtomath 0.5.0...
[INFO] checking mathtomath-0.5.0 against 52995a223f2919dd3e2e427231db90a257350ded for pr-129249-4
[INFO] extracting crate mathtomath 0.5.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate mathtomath 0.5.0
[INFO] finished tweaking crates.io crate mathtomath 0.5.0
[INFO] tweaked toml for crates.io crate mathtomath 0.5.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mathtomath 0.5.0 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 crates.io crate mathtomath 0.5.0 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" "+52995a223f2919dd3e2e427231db90a257350ded" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] b7b1683be895faae76deb7fc817d0b403b4acdcbbc0325402b34ab9b45fa6541
[INFO] running `Command { std: "docker" "start" "b7b1683be895faae76deb7fc817d0b403b4acdcbbc0325402b34ab9b45fa6541", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7b1683be895faae76deb7fc817d0b403b4acdcbbc0325402b34ab9b45fa6541", 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" "b7b1683be895faae76deb7fc817d0b403b4acdcbbc0325402b34ab9b45fa6541" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7b1683be895faae76deb7fc817d0b403b4acdcbbc0325402b34ab9b45fa6541", 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" "b7b1683be895faae76deb7fc817d0b403b4acdcbbc0325402b34ab9b45fa6541" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]     Checking anstyle v1.0.8
[INFO] [stderr]     Checking hashbrown v0.15.4
[INFO] [stderr]     Checking colorchoice v1.0.2
[INFO] [stderr]    Compiling siphasher v1.0.1
[INFO] [stderr]     Checking anstyle-query v1.1.1
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.1
[INFO] [stderr]     Checking equivalent v1.0.2
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking winnow v0.7.11
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]     Checking toml_write v0.1.2
[INFO] [stderr]     Checking option-ext v0.2.0
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]     Checking anstyle-parse v0.2.5
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking clap_lex v0.7.2
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking phf_shared v0.12.1
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking subslice v0.2.3
[INFO] [stderr]     Checking nom v8.0.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking anstream v0.6.15
[INFO] [stderr]    Compiling phf_generator v0.12.1
[INFO] [stderr]     Checking indexmap v2.10.0
[INFO] [stderr]     Checking clap_builder v4.5.17
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking dirs-sys v0.5.0
[INFO] [stderr]     Checking directories v6.0.0
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling phf_macros v0.12.1
[INFO] [stderr]    Compiling clap_derive v4.5.13
[INFO] [stderr]     Checking phf v0.12.1
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking env_filter v0.1.2
[INFO] [stderr]     Checking env_logger v0.11.5
[INFO] [stderr]     Checking clap v4.5.17
[INFO] [stderr]     Checking serde_spanned v0.6.9
[INFO] [stderr]     Checking toml_datetime v0.6.11
[INFO] [stderr]     Checking toml_edit v0.22.27
[INFO] [stderr]     Checking toml v0.8.23
[INFO] [stderr]     Checking confy v1.0.0
[INFO] [stderr]     Checking mathtomath v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: useless conversion to the same type: `expression::Expression<'_>`
[INFO] [stdout]    --> src/formats/form/parser.rs:531:19
[INFO] [stdout]     |
[INFO] [stdout] 531 |         let res = fun.clone().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] 531 -         let res = fun.clone().into();
[INFO] [stdout] 531 +         let res = fun.clone();
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 531 -         let res = fun.clone().into();
[INFO] [stdout] 531 +         let res = <expression::Expression<'_> as Into<_>>::into(fun.clone());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `expression::Expression<'_>`
[INFO] [stdout]    --> src/formats/form/parser.rs:536:63
[INFO] [stdout]     |
[INFO] [stdout] 536 |         let res = Binary(Power, Box::new((Nullary(Symbol(b)), fun.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] 536 -         let res = Binary(Power, Box::new((Nullary(Symbol(b)), fun.into())));
[INFO] [stdout] 536 +         let res = Binary(Power, Box::new((Nullary(Symbol(b)), fun)));
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 536 -         let res = Binary(Power, Box::new((Nullary(Symbol(b)), fun.into())));
[INFO] [stdout] 536 +         let res = Binary(Power, Box::new((Nullary(Symbol(b)), <expression::Expression<'_> as Into<_>>::into(fun))));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mathtomath` (bin "mathtomath" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "b7b1683be895faae76deb7fc817d0b403b4acdcbbc0325402b34ab9b45fa6541", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7b1683be895faae76deb7fc817d0b403b4acdcbbc0325402b34ab9b45fa6541", kill_on_drop: false }`
[INFO] [stdout] b7b1683be895faae76deb7fc817d0b403b4acdcbbc0325402b34ab9b45fa6541
