[INFO] fetching crate rnix-lsp 0.2.5...
[INFO] checking rnix-lsp-0.2.5 against 52995a223f2919dd3e2e427231db90a257350ded for pr-129249-4
[INFO] extracting crate rnix-lsp 0.2.5 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate rnix-lsp 0.2.5
[INFO] finished tweaking crates.io crate rnix-lsp 0.2.5
[INFO] tweaked toml for crates.io crate rnix-lsp 0.2.5 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rnix-lsp 0.2.5 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 rnix-lsp 0.2.5 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-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 680a598fd3688bc094510c0974f37c22fabece4be03ea63a5a9e5bd7e1ede751
[INFO] running `Command { std: "docker" "start" "680a598fd3688bc094510c0974f37c22fabece4be03ea63a5a9e5bd7e1ede751", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "680a598fd3688bc094510c0974f37c22fabece4be03ea63a5a9e5bd7e1ede751", 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" "680a598fd3688bc094510c0974f37c22fabece4be03ea63a5a9e5bd7e1ede751" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "680a598fd3688bc094510c0974f37c22fabece4be03ea63a5a9e5bd7e1ede751", 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" "680a598fd3688bc094510c0974f37c22fabece4be03ea63a5a9e5bd7e1ede751" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]     Checking tinyvec v1.3.1
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking countme v2.0.4
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking unicode-bidi v0.3.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking cbitset v0.2.0
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking smol_str v0.1.18
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking dirs v3.0.2
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking globset v0.4.8
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking ignore v0.4.18
[INFO] [stderr]    Compiling serde_repr v0.1.7
[INFO] [stderr]     Checking text-size v1.1.0
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking rowan v0.12.6
[INFO] [stderr]     Checking rnix v0.10.2
[INFO] [stderr]     Checking lsp-server v0.5.2
[INFO] [stderr]     Checking nixpkgs-fmt-rnix v1.2.0
[INFO] [stderr]     Checking lsp-types v0.89.2
[INFO] [stderr]     Checking rnix-lsp v0.2.5 (/opt/rustwide/workdir)
[INFO] [stdout] error: useless conversion to the same type: `std::string::String`
[INFO] [stdout]    --> src/utils.rs:139:33
[INFO] [stdout]     |
[INFO] [stdout] 139 |                     result.push(attr.index()?.to_string().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] 139 -                     result.push(attr.index()?.to_string().into());
[INFO] [stdout] 139 +                     result.push(attr.index()?.to_string());
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 139 -                     result.push(attr.index()?.to_string().into());
[INFO] [stdout] 139 +                     result.push(<std::string::String as Into<_>>::into(attr.index()?.to_string()));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rnix-lsp` (bin "rnix-lsp") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: useless conversion to the same type: `std::string::String`
[INFO] [stdout]    --> src/utils.rs:139:33
[INFO] [stdout]     |
[INFO] [stdout] 139 |                     result.push(attr.index()?.to_string().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] 139 -                     result.push(attr.index()?.to_string().into());
[INFO] [stdout] 139 +                     result.push(attr.index()?.to_string());
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 139 -                     result.push(attr.index()?.to_string().into());
[INFO] [stdout] 139 +                     result.push(<std::string::String as Into<_>>::into(attr.index()?.to_string()));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rnix-lsp` (bin "rnix-lsp" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "680a598fd3688bc094510c0974f37c22fabece4be03ea63a5a9e5bd7e1ede751", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "680a598fd3688bc094510c0974f37c22fabece4be03ea63a5a9e5bd7e1ede751", kill_on_drop: false }`
[INFO] [stdout] 680a598fd3688bc094510c0974f37c22fabece4be03ea63a5a9e5bd7e1ede751
