[INFO] cloning repository https://github.com/vininew921/juvinil
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vininew921/juvinil" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvininew921%2Fjuvinil", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvininew921%2Fjuvinil'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d8611bcf4472500db72d7a7a74ea86895bdc1124
[INFO] checking vininew921/juvinil against 52995a223f2919dd3e2e427231db90a257350ded for pr-129249-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvininew921%2Fjuvinil" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/vininew921/juvinil
[INFO] finished tweaking git repo https://github.com/vininew921/juvinil
[INFO] tweaked toml for git repo https://github.com/vininew921/juvinil written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/vininew921/juvinil 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/vininew921/juvinil 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] 689f6c95186667c0c3d5e1aa4704dd15751a156a2ab734516c32a088cd1b5cd9
[INFO] running `Command { std: "docker" "start" "689f6c95186667c0c3d5e1aa4704dd15751a156a2ab734516c32a088cd1b5cd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "689f6c95186667c0c3d5e1aa4704dd15751a156a2ab734516c32a088cd1b5cd9", 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" "689f6c95186667c0c3d5e1aa4704dd15751a156a2ab734516c32a088cd1b5cd9" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "689f6c95186667c0c3d5e1aa4704dd15751a156a2ab734516c32a088cd1b5cd9", 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" "689f6c95186667c0c3d5e1aa4704dd15751a156a2ab734516c32a088cd1b5cd9" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling thiserror v1.0.47
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]    Compiling phf_shared v0.11.2
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking aho-corasick v1.0.4
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking tracing-subscriber v0.3.17
[INFO] [stderr]    Compiling phf_generator v0.11.2
[INFO] [stderr]     Checking regex-automata v0.3.6
[INFO] [stderr]     Checking regex v1.9.3
[INFO] [stderr]    Compiling tracing-attributes v0.1.26
[INFO] [stderr]    Compiling phf_macros v0.11.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.47
[INFO] [stderr]     Checking phf v0.11.2
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking juvinil v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: useless conversion to the same type: `String`
[INFO] [stdout]    --> src/syntax_analysis/parser.rs:679:12
[INFO] [stdout]     |
[INFO] [stdout] 679 |         Ok(result.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] 679 -         Ok(result.into())
[INFO] [stdout] 679 +         Ok(result)
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 679 -         Ok(result.into())
[INFO] [stdout] 679 +         Ok(<String as Into<_>>::into(result))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `String`
[INFO] [stdout]    --> src/syntax_analysis/parser.rs:679:12
[INFO] [stdout]     |
[INFO] [stdout] 679 |         Ok(result.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] 679 -         Ok(result.into())
[INFO] [stdout] 679 +         Ok(result)
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 679 -         Ok(result.into())
[INFO] [stdout] 679 +         Ok(<String as Into<_>>::into(result))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `juvinil` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `juvinil` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "689f6c95186667c0c3d5e1aa4704dd15751a156a2ab734516c32a088cd1b5cd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "689f6c95186667c0c3d5e1aa4704dd15751a156a2ab734516c32a088cd1b5cd9", kill_on_drop: false }`
[INFO] [stdout] 689f6c95186667c0c3d5e1aa4704dd15751a156a2ab734516c32a088cd1b5cd9
