[INFO] fetching crate polyhorn-macros 0.4.0...
[INFO] checking polyhorn-macros-0.4.0 against 52995a223f2919dd3e2e427231db90a257350ded for pr-129249-4
[INFO] extracting crate polyhorn-macros 0.4.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate polyhorn-macros 0.4.0
[INFO] finished tweaking crates.io crate polyhorn-macros 0.4.0
[INFO] tweaked toml for crates.io crate polyhorn-macros 0.4.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate polyhorn-macros 0.4.0 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 3 packages to highest compatible versions
[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-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] f2745663c91afdbe3935f554b33438742a22532248401e380d5b55a46791186f
[INFO] running `Command { std: "docker" "start" "f2745663c91afdbe3935f554b33438742a22532248401e380d5b55a46791186f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2745663c91afdbe3935f554b33438742a22532248401e380d5b55a46791186f", 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" "f2745663c91afdbe3935f554b33438742a22532248401e380d5b55a46791186f" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2745663c91afdbe3935f554b33438742a22532248401e380d5b55a46791186f", 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" "f2745663c91afdbe3935f554b33438742a22532248401e380d5b55a46791186f" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-ident v1.0.27
[INFO] [stderr]     Checking proc-macro2 v1.0.107
[INFO] [stderr]     Checking quote v1.0.47
[INFO] [stderr]     Checking polyhorn-macros v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]    --> src/poly_impl/mod.rs:151:13
[INFO] [stdout]     |
[INFO] [stdout] 151 | /             (quote! {{
[INFO] [stdout] 152 | |                 #error
[INFO] [stdout] 153 | |                 polyhorn::Element::builtin(polyhorn::Key::from(polyhorn::hooks::use_id!()), #path, #children, #reference)
[INFO] [stdout] 154 | |             }})
[INFO] [stdout] 155 | |             .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] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]    --> src/poly_impl/mod.rs:205:13
[INFO] [stdout]     |
[INFO] [stdout] 205 | /             (quote! {
[INFO] [stdout] 206 | |                 polyhorn::Element::new(#key, #path {
[INFO] [stdout] 207 | |                     #props
[INFO] [stdout] 208 | |                     #dots
[INFO] [stdout] 209 | |                 }.into(), #children)
[INFO] [stdout] 210 | |             })
[INFO] [stdout] 211 | |             .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] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `polyhorn-macros` (lib) due to 2 previous errors
[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/poly_impl/mod.rs:151:13
[INFO] [stdout]     |
[INFO] [stdout] 151 | /             (quote! {{
[INFO] [stdout] 152 | |                 #error
[INFO] [stdout] 153 | |                 polyhorn::Element::builtin(polyhorn::Key::from(polyhorn::hooks::use_id!()), #path, #children, #reference)
[INFO] [stdout] 154 | |             }})
[INFO] [stdout] 155 | |             .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] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]    --> src/poly_impl/mod.rs:205:13
[INFO] [stdout]     |
[INFO] [stdout] 205 | /             (quote! {
[INFO] [stdout] 206 | |                 polyhorn::Element::new(#key, #path {
[INFO] [stdout] 207 | |                     #props
[INFO] [stdout] 208 | |                     #dots
[INFO] [stdout] 209 | |                 }.into(), #children)
[INFO] [stdout] 210 | |             })
[INFO] [stdout] 211 | |             .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] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `polyhorn-macros` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "f2745663c91afdbe3935f554b33438742a22532248401e380d5b55a46791186f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2745663c91afdbe3935f554b33438742a22532248401e380d5b55a46791186f", kill_on_drop: false }`
[INFO] [stdout] f2745663c91afdbe3935f554b33438742a22532248401e380d5b55a46791186f
