[INFO] fetching crate inert_derive 0.1.4...
[INFO] checking inert_derive-0.1.4 against 52995a223f2919dd3e2e427231db90a257350ded for pr-129249-4
[INFO] extracting crate inert_derive 0.1.4 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate inert_derive 0.1.4
[INFO] finished tweaking crates.io crate inert_derive 0.1.4
[INFO] tweaked toml for crates.io crate inert_derive 0.1.4 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate inert_derive 0.1.4 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to highest compatible versions
[INFO] [stderr]       Adding proc-macro2 v0.4.30 (available: v1.0.107)
[INFO] [stderr]       Adding quote v0.6.13 (available: v1.0.47)
[INFO] [stderr]       Adding syn v0.15.44 (available: v3.0.9)
[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] d53f03d9663aff4c0fa89bbcaffb99a756ffcb5260bc5566c4271eb6cb5326c0
[INFO] running `Command { std: "docker" "start" "d53f03d9663aff4c0fa89bbcaffb99a756ffcb5260bc5566c4271eb6cb5326c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d53f03d9663aff4c0fa89bbcaffb99a756ffcb5260bc5566c4271eb6cb5326c0", 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" "d53f03d9663aff4c0fa89bbcaffb99a756ffcb5260bc5566c4271eb6cb5326c0" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d53f03d9663aff4c0fa89bbcaffb99a756ffcb5260bc5566c4271eb6cb5326c0", 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" "d53f03d9663aff4c0fa89bbcaffb99a756ffcb5260bc5566c4271eb6cb5326c0" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking inert_derive v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]   --> src/lib.rs:83:70
[INFO] [stdout]    |
[INFO] [stdout] 83 |             neutralize_as_wrapper(wrapper, input).unwrap_or_else(|e| e.to_compile_error().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] 83 -             neutralize_as_wrapper(wrapper, input).unwrap_or_else(|e| e.to_compile_error().into())
[INFO] [stdout] 83 +             neutralize_as_wrapper(wrapper, input).unwrap_or_else(|e| e.to_compile_error())
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 83 -             neutralize_as_wrapper(wrapper, input).unwrap_or_else(|e| e.to_compile_error().into())
[INFO] [stdout] 83 +             neutralize_as_wrapper(wrapper, input).unwrap_or_else(|e| <proc_macro2::TokenStream as Into<_>>::into(e.to_compile_error()))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `inert_derive` (lib) 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: `proc_macro2::TokenStream`
[INFO] [stdout]   --> src/lib.rs:83:70
[INFO] [stdout]    |
[INFO] [stdout] 83 |             neutralize_as_wrapper(wrapper, input).unwrap_or_else(|e| e.to_compile_error().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] 83 -             neutralize_as_wrapper(wrapper, input).unwrap_or_else(|e| e.to_compile_error().into())
[INFO] [stdout] 83 +             neutralize_as_wrapper(wrapper, input).unwrap_or_else(|e| e.to_compile_error())
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 83 -             neutralize_as_wrapper(wrapper, input).unwrap_or_else(|e| e.to_compile_error().into())
[INFO] [stdout] 83 +             neutralize_as_wrapper(wrapper, input).unwrap_or_else(|e| <proc_macro2::TokenStream as Into<_>>::into(e.to_compile_error()))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `inert_derive` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "d53f03d9663aff4c0fa89bbcaffb99a756ffcb5260bc5566c4271eb6cb5326c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d53f03d9663aff4c0fa89bbcaffb99a756ffcb5260bc5566c4271eb6cb5326c0", kill_on_drop: false }`
[INFO] [stdout] d53f03d9663aff4c0fa89bbcaffb99a756ffcb5260bc5566c4271eb6cb5326c0
