[INFO] fetching crate tia 1.0.3...
[INFO] checking tia-1.0.3 against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3
[INFO] extracting crate tia 1.0.3 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate tia 1.0.3
[INFO] finished tweaking crates.io crate tia 1.0.3
[INFO] tweaked toml for crates.io crate tia 1.0.3 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tia 1.0.3 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 tia 1.0.3 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] 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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] ae8817619e8124dc8fa0ff2f1118993ad2bc1212722c409eeca40a4aaf057701
[INFO] running `Command { std: "docker" "start" "ae8817619e8124dc8fa0ff2f1118993ad2bc1212722c409eeca40a4aaf057701", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae8817619e8124dc8fa0ff2f1118993ad2bc1212722c409eeca40a4aaf057701", 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" "ae8817619e8124dc8fa0ff2f1118993ad2bc1212722c409eeca40a4aaf057701" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae8817619e8124dc8fa0ff2f1118993ad2bc1212722c409eeca40a4aaf057701", 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" "ae8817619e8124dc8fa0ff2f1118993ad2bc1212722c409eeca40a4aaf057701" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]     Checking quote v1.0.18
[INFO] [stderr]     Checking tia v1.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] error: useless conversion to the same type: `String`
[INFO] [stdout]   --> src/detail/generator.rs:28:2
[INFO] [stdout]    |
[INFO] [stdout] 28 | /  vec![header, body, footer]
[INFO] [stdout] 29 | |   .join(NO_SEPARATOR)
[INFO] [stdout] 30 | |   .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] 29 -   .join(NO_SEPARATOR)
[INFO] [stdout] 30 -   .into()
[INFO] [stdout] 29 +   .join(NO_SEPARATOR)
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 28 ~  <String as Into<_>>::into(vec![header, body, footer]
[INFO] [stdout] 29 ~   .join(NO_SEPARATOR))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/detail/parser.rs:76:21
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn get_fields(data: &syn::Data) -> syn::punctuated::Iter<syn::Field>
[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] 76 | fn get_fields(data: &syn::Data) -> syn::punctuated::Iter<'_, syn::Field>
[INFO] [stdout]    |                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tia` (lib test) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: useless conversion to the same type: `String`
[INFO] [stdout]   --> src/detail/generator.rs:28:2
[INFO] [stdout]    |
[INFO] [stdout] 28 | /  vec![header, body, footer]
[INFO] [stdout] 29 | |   .join(NO_SEPARATOR)
[INFO] [stdout] 30 | |   .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] 29 -   .join(NO_SEPARATOR)
[INFO] [stdout] 30 -   .into()
[INFO] [stdout] 29 +   .join(NO_SEPARATOR)
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 28 ~  <String as Into<_>>::into(vec![header, body, footer]
[INFO] [stdout] 29 ~   .join(NO_SEPARATOR))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/detail/parser.rs:76:21
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn get_fields(data: &syn::Data) -> syn::punctuated::Iter<syn::Field>
[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] 76 | fn get_fields(data: &syn::Data) -> syn::punctuated::Iter<'_, syn::Field>
[INFO] [stdout]    |                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tia` (lib) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "ae8817619e8124dc8fa0ff2f1118993ad2bc1212722c409eeca40a4aaf057701", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae8817619e8124dc8fa0ff2f1118993ad2bc1212722c409eeca40a4aaf057701", kill_on_drop: false }`
[INFO] [stdout] ae8817619e8124dc8fa0ff2f1118993ad2bc1212722c409eeca40a4aaf057701
