[INFO] fetching crate shura_proc 0.4.0...
[INFO] checking shura_proc-0.4.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate shura_proc 0.4.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate shura_proc 0.4.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate shura_proc 0.4.0
[INFO] finished tweaking crates.io crate shura_proc 0.4.0
[INFO] tweaked toml for crates.io crate shura_proc 0.4.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded const-fnv1a-hash v1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6eba0bba5c53b408ae1d94462ec099c4098a67ed85c7dce5d225025f57826f8
[INFO] running `Command { std: "docker" "start" "-a" "c6eba0bba5c53b408ae1d94462ec099c4098a67ed85c7dce5d225025f57826f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6eba0bba5c53b408ae1d94462ec099c4098a67ed85c7dce5d225025f57826f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6eba0bba5c53b408ae1d94462ec099c4098a67ed85c7dce5d225025f57826f8", kill_on_drop: false }`
[INFO] [stdout] c6eba0bba5c53b408ae1d94462ec099c4098a67ed85c7dce5d225025f57826f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 498d8e297fc896566df8a35c13d54cbeb3ff0d6e8ab87beef2cdaac15d67068c
[INFO] running `Command { std: "docker" "start" "-a" "498d8e297fc896566df8a35c13d54cbeb3ff0d6e8ab87beef2cdaac15d67068c", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking const-fnv1a-hash v1.1.0
[INFO] [stderr]     Checking syn v2.0.58
[INFO] [stderr]     Checking shura_proc v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "498d8e297fc896566df8a35c13d54cbeb3ff0d6e8ab87beef2cdaac15d67068c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "498d8e297fc896566df8a35c13d54cbeb3ff0d6e8ab87beef2cdaac15d67068c", kill_on_drop: false }`
[INFO] [stdout] 498d8e297fc896566df8a35c13d54cbeb3ff0d6e8ab87beef2cdaac15d67068c
[INFO] checking shura_proc-0.4.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate shura_proc 0.4.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate shura_proc 0.4.0 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate shura_proc 0.4.0
[INFO] finished tweaking crates.io crate shura_proc 0.4.0
[INFO] tweaked toml for crates.io crate shura_proc 0.4.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e740f3d5d58e5a66f6577c417fb80c4d14a6ceab3f482297013a256473c4c50
[INFO] running `Command { std: "docker" "start" "-a" "1e740f3d5d58e5a66f6577c417fb80c4d14a6ceab3f482297013a256473c4c50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e740f3d5d58e5a66f6577c417fb80c4d14a6ceab3f482297013a256473c4c50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e740f3d5d58e5a66f6577c417fb80c4d14a6ceab3f482297013a256473c4c50", kill_on_drop: false }`
[INFO] [stdout] 1e740f3d5d58e5a66f6577c417fb80c4d14a6ceab3f482297013a256473c4c50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 830c013befb54952bf9c37691e421aa6b26f42e43f11d08da039b710170291e3
[INFO] running `Command { std: "docker" "start" "-a" "830c013befb54952bf9c37691e421aa6b26f42e43f11d08da039b710170291e3", kill_on_drop: false }`
[INFO] [stderr]     Checking const-fnv1a-hash v1.1.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking quote v1.0.35
[INFO] [stderr]     Checking syn v2.0.58
[INFO] [stderr]     Checking shura_proc v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/lib.rs:34:25
[INFO] [stdout]    |
[INFO] [stdout] 34 | /                         match &field.ty {
[INFO] [stdout] 35 | |                             Type::Path(type_name) => {
[INFO] [stdout] 36 | |                                 let field_name = field.ident.as_ref().unwrap();
[INFO] [stdout] 37 | |                                 return Some((field_name.clone(), type_name.clone()));
[INFO] [stdout] 38 | |                             }
[INFO] [stdout] 39 | |                             _ => panic!("Cannot extract the type of the component."),
[INFO] [stdout] 40 | |                         };
[INFO] [stdout]    | |_________________________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/lib.rs:34:25
[INFO] [stdout]    |
[INFO] [stdout] 34 | /                         match &field.ty {
[INFO] [stdout] 35 | |                             Type::Path(type_name) => {
[INFO] [stdout] 36 | |                                 let field_name = field.ident.as_ref().unwrap();
[INFO] [stdout] 37 | |                                 return Some((field_name.clone(), type_name.clone()));
[INFO] [stdout] 38 | |                             }
[INFO] [stdout] 39 | |                             _ => panic!("Cannot extract the type of the component."),
[INFO] [stdout] 40 | |                         };
[INFO] [stdout]    | |_________________________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `shura_proc` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `shura_proc` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "830c013befb54952bf9c37691e421aa6b26f42e43f11d08da039b710170291e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "830c013befb54952bf9c37691e421aa6b26f42e43f11d08da039b710170291e3", kill_on_drop: false }`
[INFO] [stdout] 830c013befb54952bf9c37691e421aa6b26f42e43f11d08da039b710170291e3