[INFO] fetching crate custom-format-macros 0.3.4...
[INFO] checking custom-format-macros-0.3.4 against c60b92c03ca8a3b101eb9d57f51e2232690638c7 for pr-164148-crater-rollup
[INFO] extracting crate custom-format-macros 0.3.4 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate custom-format-macros 0.3.4
[INFO] finished tweaking crates.io crate custom-format-macros 0.3.4
[INFO] tweaked toml for crates.io crate custom-format-macros 0.3.4 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate custom-format-macros 0.3.4 on toolchain c60b92c03ca8a3b101eb9d57f51e2232690638c7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate custom-format-macros 0.3.4 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" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "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] 4125c85b318336554767df9decb4bbc3d782430f1558e6aa874ec2e1e7ab2a79
[INFO] running `Command { std: "docker" "start" "4125c85b318336554767df9decb4bbc3d782430f1558e6aa874ec2e1e7ab2a79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4125c85b318336554767df9decb4bbc3d782430f1558e6aa874ec2e1e7ab2a79", 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" "4125c85b318336554767df9decb4bbc3d782430f1558e6aa874ec2e1e7ab2a79" "/opt/rustwide/cargo-home/bin/cargo" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4125c85b318336554767df9decb4bbc3d782430f1558e6aa874ec2e1e7ab2a79", 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" "4125c85b318336554767df9decb4bbc3d782430f1558e6aa874ec2e1e7ab2a79" "/opt/rustwide/cargo-home/bin/cargo" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]     Checking unicode-ident v1.0.20
[INFO] [stderr]     Checking litrs v1.0.0
[INFO] [stderr]     Checking tinyvec v1.10.0
[INFO] [stderr]     Checking custom-format-macros v0.3.4 (/opt/rustwide/workdir)
[INFO] [stdout] error: useless conversion to the same type: `proc_macro::TokenStream` custom_format_macros
[INFO] [stdout]   --> src/lib.rs:16:14
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fmt::fmt(input.into()).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] 16 -     fmt::fmt(input.into()).into()
[INFO] [stdout] 16 +     fmt::fmt(input).into()
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 16 -     fmt::fmt(input.into()).into()
[INFO] [stdout] 16 +     fmt::fmt(<proc_macro::TokenStream as Into<_>>::into(input)).into()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro::TokenStream` custom_format_macros
[INFO] [stdout]   --> src/lib.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fmt::fmt(input.into()).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] 16 -     fmt::fmt(input.into()).into()
[INFO] [stdout] 16 +     fmt::fmt(input.into())
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 16 -     fmt::fmt(input.into()).into()
[INFO] [stdout] 16 +     <proc_macro::TokenStream as Into<_>>::into(fmt::fmt(input.into()))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `custom-format-macros` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4125c85b318336554767df9decb4bbc3d782430f1558e6aa874ec2e1e7ab2a79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4125c85b318336554767df9decb4bbc3d782430f1558e6aa874ec2e1e7ab2a79", kill_on_drop: false }`
[INFO] [stdout] 4125c85b318336554767df9decb4bbc3d782430f1558e6aa874ec2e1e7ab2a79
