[INFO] cloning repository https://github.com/patrickfp93/warcmutex
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/patrickfp93/warcmutex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpatrickfp93%2Fwarcmutex", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpatrickfp93%2Fwarcmutex'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 74b33b67c9349a18889aeb194db0bdf5184600e1
[INFO] checking patrickfp93/warcmutex against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpatrickfp93%2Fwarcmutex" "/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/patrickfp93/warcmutex
[INFO] finished tweaking git repo https://github.com/patrickfp93/warcmutex
[INFO] tweaked toml for git repo https://github.com/patrickfp93/warcmutex written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/patrickfp93/warcmutex 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 git repo https://github.com/patrickfp93/warcmutex 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] 70612a451aeae77a2f829b5ad874dde985ca1e0d6622c6fcc9179116a658886d
[INFO] running `Command { std: "docker" "start" "70612a451aeae77a2f829b5ad874dde985ca1e0d6622c6fcc9179116a658886d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70612a451aeae77a2f829b5ad874dde985ca1e0d6622c6fcc9179116a658886d", 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" "70612a451aeae77a2f829b5ad874dde985ca1e0d6622c6fcc9179116a658886d" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70612a451aeae77a2f829b5ad874dde985ca1e0d6622c6fcc9179116a658886d", 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" "70612a451aeae77a2f829b5ad874dde985ca1e0d6622c6fcc9179116a658886d" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]     Checking unicode-ident v1.0.10
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]     Checking unicode-xid v0.2.4
[INFO] [stderr]     Checking syn v2.0.26
[INFO] [stderr]     Checking synstructure v0.13.0
[INFO] [stderr]     Checking warcmutex v1.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: useless conversion to the same type: `proc_macro::TokenStream`
[INFO] [stdout]   --> src/lib.rs:19:34
[INFO] [stdout]    |
[INFO] [stdout] 19 |         Item::Impl(item_impl) => extend_impl(item_impl).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] 19 -         Item::Impl(item_impl) => extend_impl(item_impl).into(),
[INFO] [stdout] 19 +         Item::Impl(item_impl) => extend_impl(item_impl),
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 19 -         Item::Impl(item_impl) => extend_impl(item_impl).into(),
[INFO] [stdout] 19 +         Item::Impl(item_impl) => <proc_macro::TokenStream as Into<_>>::into(extend_impl(item_impl)),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro::TokenStream`
[INFO] [stdout]   --> src/lib.rs:20:31
[INFO] [stdout]    |
[INFO] [stdout] 20 |         Item::Mod(sub_mod) => extend_mod(sub_mod).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] 20 -         Item::Mod(sub_mod) => extend_mod(sub_mod).into(),
[INFO] [stdout] 20 +         Item::Mod(sub_mod) => extend_mod(sub_mod),
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 20 -         Item::Mod(sub_mod) => extend_mod(sub_mod).into(),
[INFO] [stdout] 20 +         Item::Mod(sub_mod) => <proc_macro::TokenStream as Into<_>>::into(extend_mod(sub_mod)),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro::TokenStream`
[INFO] [stdout]   --> src/lib.rs:21:39
[INFO] [stdout]    |
[INFO] [stdout] 21 |         Item::Struct(item_struct ) => extend_struct(item_struct).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] 21 -         Item::Struct(item_struct ) => extend_struct(item_struct).into(),
[INFO] [stdout] 21 +         Item::Struct(item_struct ) => extend_struct(item_struct),
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 21 -         Item::Struct(item_struct ) => extend_struct(item_struct).into(),
[INFO] [stdout] 21 +         Item::Struct(item_struct ) => <proc_macro::TokenStream as Into<_>>::into(extend_struct(item_struct)),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `warcmutex` (lib test) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: useless conversion to the same type: `proc_macro::TokenStream`
[INFO] [stdout]   --> src/lib.rs:19:34
[INFO] [stdout]    |
[INFO] [stdout] 19 |         Item::Impl(item_impl) => extend_impl(item_impl).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] 19 -         Item::Impl(item_impl) => extend_impl(item_impl).into(),
[INFO] [stdout] 19 +         Item::Impl(item_impl) => extend_impl(item_impl),
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 19 -         Item::Impl(item_impl) => extend_impl(item_impl).into(),
[INFO] [stdout] 19 +         Item::Impl(item_impl) => <proc_macro::TokenStream as Into<_>>::into(extend_impl(item_impl)),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro::TokenStream`
[INFO] [stdout]   --> src/lib.rs:20:31
[INFO] [stdout]    |
[INFO] [stdout] 20 |         Item::Mod(sub_mod) => extend_mod(sub_mod).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] 20 -         Item::Mod(sub_mod) => extend_mod(sub_mod).into(),
[INFO] [stdout] 20 +         Item::Mod(sub_mod) => extend_mod(sub_mod),
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 20 -         Item::Mod(sub_mod) => extend_mod(sub_mod).into(),
[INFO] [stdout] 20 +         Item::Mod(sub_mod) => <proc_macro::TokenStream as Into<_>>::into(extend_mod(sub_mod)),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro::TokenStream`
[INFO] [stdout]   --> src/lib.rs:21:39
[INFO] [stdout]    |
[INFO] [stdout] 21 |         Item::Struct(item_struct ) => extend_struct(item_struct).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] 21 -         Item::Struct(item_struct ) => extend_struct(item_struct).into(),
[INFO] [stdout] 21 +         Item::Struct(item_struct ) => extend_struct(item_struct),
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 21 -         Item::Struct(item_struct ) => extend_struct(item_struct).into(),
[INFO] [stdout] 21 +         Item::Struct(item_struct ) => <proc_macro::TokenStream as Into<_>>::into(extend_struct(item_struct)),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `warcmutex` (lib) due to 3 previous errors
[INFO] [stderr] warning: unused dependency `synstructure`
[INFO] [stderr]  --> Cargo.toml:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | synstructure = "0.13.0"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `synstructure`
[INFO] [stderr] warning: `warcmutex` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "inspect" "70612a451aeae77a2f829b5ad874dde985ca1e0d6622c6fcc9179116a658886d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70612a451aeae77a2f829b5ad874dde985ca1e0d6622c6fcc9179116a658886d", kill_on_drop: false }`
[INFO] [stdout] 70612a451aeae77a2f829b5ad874dde985ca1e0d6622c6fcc9179116a658886d
