[INFO] fetching crate lightning-wire-msgs-derive-base 0.2.6...
[INFO] checking lightning-wire-msgs-derive-base-0.2.6 against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3
[INFO] extracting crate lightning-wire-msgs-derive-base 0.2.6 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate lightning-wire-msgs-derive-base 0.2.6
[INFO] finished tweaking crates.io crate lightning-wire-msgs-derive-base 0.2.6
[INFO] tweaked toml for crates.io crate lightning-wire-msgs-derive-base 0.2.6 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate lightning-wire-msgs-derive-base 0.2.6 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "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 syn v1.0.109 (available: v3.0.9)
[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] c2be3d69757d9d65c72ad403a14eeec77b2dfe977bc5e26a22fdc596b45fae1d
[INFO] running `Command { std: "docker" "start" "c2be3d69757d9d65c72ad403a14eeec77b2dfe977bc5e26a22fdc596b45fae1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2be3d69757d9d65c72ad403a14eeec77b2dfe977bc5e26a22fdc596b45fae1d", 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" "c2be3d69757d9d65c72ad403a14eeec77b2dfe977bc5e26a22fdc596b45fae1d" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2be3d69757d9d65c72ad403a14eeec77b2dfe977bc5e26a22fdc596b45fae1d", 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" "c2be3d69757d9d65c72ad403a14eeec77b2dfe977bc5e26a22fdc596b45fae1d" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking proc-macro2 v1.0.107
[INFO] [stderr]     Checking quote v1.0.47
[INFO] [stderr]     Checking syn v1.0.109
[INFO] [stderr]     Checking lightning-wire-msgs-derive-base v0.2.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/wire_msg.rs:176:29
[INFO] [stdout]     |
[INFO] [stdout] 176 | ...                   (match a.args.first().expect("tlv value must be Option") {
[INFO] [stdout]     |                       ^
[INFO] [stdout] ...
[INFO] [stdout] 179 | ...                   })
[INFO] [stdout]     |                        ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 176 ~                             match a.args.first().expect("tlv value must be Option") {
[INFO] [stdout] 177 |                                 syn::GenericArgument::Type(t) => t.clone(),
[INFO] [stdout] 178 |                                 _ => panic!("tlv value must be Option"),
[INFO] [stdout] 179 ~                             }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/wire_msg.rs:176:29
[INFO] [stdout]     |
[INFO] [stdout] 176 | ...                   (match a.args.first().expect("tlv value must be Option") {
[INFO] [stdout]     |                       ^
[INFO] [stdout] ...
[INFO] [stdout] 179 | ...                   })
[INFO] [stdout]     |                        ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 176 ~                             match a.args.first().expect("tlv value must be Option") {
[INFO] [stdout] 177 |                                 syn::GenericArgument::Type(t) => t.clone(),
[INFO] [stdout] 178 |                                 _ => panic!("tlv value must be Option"),
[INFO] [stdout] 179 ~                             }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `TokenStream`
[INFO] [stdout]    --> src/any_wire_msg.rs:160:5
[INFO] [stdout]     |
[INFO] [stdout] 160 |     gen.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] 160 -     gen.into()
[INFO] [stdout] 160 +     gen
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 160 -     gen.into()
[INFO] [stdout] 160 +     <TokenStream as Into<_>>::into(gen)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `TokenStream`
[INFO] [stdout]   --> src/try_from.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     gen.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] 53 -     gen.into()
[INFO] [stdout] 53 +     gen
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 53 -     gen.into()
[INFO] [stdout] 53 +     <TokenStream as Into<_>>::into(gen)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `TokenStream`
[INFO] [stdout]    --> src/wire_msg.rs:252:5
[INFO] [stdout]     |
[INFO] [stdout] 252 |     gen.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] 252 -     gen.into()
[INFO] [stdout] 252 +     gen
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 252 -     gen.into()
[INFO] [stdout] 252 +     <TokenStream as Into<_>>::into(gen)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `TokenStream`
[INFO] [stdout]    --> src/any_wire_msg.rs:160:5
[INFO] [stdout]     |
[INFO] [stdout] 160 |     gen.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] 160 -     gen.into()
[INFO] [stdout] 160 +     gen
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 160 -     gen.into()
[INFO] [stdout] 160 +     <TokenStream as Into<_>>::into(gen)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `TokenStream`
[INFO] [stdout]   --> src/try_from.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     gen.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] 53 -     gen.into()
[INFO] [stdout] 53 +     gen
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 53 -     gen.into()
[INFO] [stdout] 53 +     <TokenStream as Into<_>>::into(gen)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `TokenStream`
[INFO] [stdout]    --> src/wire_msg.rs:252:5
[INFO] [stdout]     |
[INFO] [stdout] 252 |     gen.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] 252 -     gen.into()
[INFO] [stdout] 252 +     gen
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 252 -     gen.into()
[INFO] [stdout] 252 +     <TokenStream as Into<_>>::into(gen)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lightning-wire-msgs-derive-base` (lib) due to 3 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `lightning-wire-msgs-derive-base` (lib test) due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "c2be3d69757d9d65c72ad403a14eeec77b2dfe977bc5e26a22fdc596b45fae1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2be3d69757d9d65c72ad403a14eeec77b2dfe977bc5e26a22fdc596b45fae1d", kill_on_drop: false }`
[INFO] [stdout] c2be3d69757d9d65c72ad403a14eeec77b2dfe977bc5e26a22fdc596b45fae1d
