[INFO] fetching crate proc-macro-rules 0.4.0... [INFO] checking proc-macro-rules-0.4.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate proc-macro-rules 0.4.0 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate proc-macro-rules 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 proc-macro-rules 0.4.0 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate proc-macro-rules 0.4.0 [INFO] tweaked toml for crates.io crate proc-macro-rules 0.4.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate crates.io crate proc-macro-rules 0.4.0 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded proc-macro-rules-macros v0.4.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] ad340f27aeb9438a394ae1ef5c94081eece7f97e52d71ff163502159fb084dae [INFO] running `Command { std: "docker" "start" "-a" "ad340f27aeb9438a394ae1ef5c94081eece7f97e52d71ff163502159fb084dae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ad340f27aeb9438a394ae1ef5c94081eece7f97e52d71ff163502159fb084dae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad340f27aeb9438a394ae1ef5c94081eece7f97e52d71ff163502159fb084dae", kill_on_drop: false }` [INFO] [stdout] ad340f27aeb9438a394ae1ef5c94081eece7f97e52d71ff163502159fb084dae [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 1bee1c657be736e859a10809e747dbf3a818dc2ea216c111d320b349fceb0556 [INFO] running `Command { std: "docker" "start" "-a" "1bee1c657be736e859a10809e747dbf3a818dc2ea216c111d320b349fceb0556", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.69 [INFO] [stderr] Checking unicode-ident v1.0.12 [INFO] [stderr] Compiling once_cell v1.18.0 [INFO] [stderr] Checking quote v1.0.33 [INFO] [stderr] Checking syn v2.0.39 [INFO] [stderr] Compiling proc-macro-rules-macros v0.4.0 [INFO] [stderr] Checking proc-macro-rules v0.4.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.94s [INFO] running `Command { std: "docker" "inspect" "1bee1c657be736e859a10809e747dbf3a818dc2ea216c111d320b349fceb0556", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1bee1c657be736e859a10809e747dbf3a818dc2ea216c111d320b349fceb0556", kill_on_drop: false }` [INFO] [stdout] 1bee1c657be736e859a10809e747dbf3a818dc2ea216c111d320b349fceb0556 [INFO] checking proc-macro-rules-0.4.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate proc-macro-rules 0.4.0 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate proc-macro-rules 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 proc-macro-rules 0.4.0 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate proc-macro-rules 0.4.0 [INFO] tweaked toml for crates.io crate proc-macro-rules 0.4.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate crates.io crate proc-macro-rules 0.4.0 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 5a90ff39397c014413070f8a13c5258b8375a3c8e122c1cde98e08c4e47ec5eb [INFO] running `Command { std: "docker" "start" "-a" "5a90ff39397c014413070f8a13c5258b8375a3c8e122c1cde98e08c4e47ec5eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5a90ff39397c014413070f8a13c5258b8375a3c8e122c1cde98e08c4e47ec5eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a90ff39397c014413070f8a13c5258b8375a3c8e122c1cde98e08c4e47ec5eb", kill_on_drop: false }` [INFO] [stdout] 5a90ff39397c014413070f8a13c5258b8375a3c8e122c1cde98e08c4e47ec5eb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] bdc22983a96ce6a43641fc81161497adb8f1cbc862ac6243c376ce57f51e1d22 [INFO] running `Command { std: "docker" "start" "-a" "bdc22983a96ce6a43641fc81161497adb8f1cbc862ac6243c376ce57f51e1d22", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.69 [INFO] [stderr] Checking unicode-ident v1.0.12 [INFO] [stderr] Compiling once_cell v1.18.0 [INFO] [stderr] Checking quote v1.0.33 [INFO] [stderr] Checking syn v2.0.39 [INFO] [stderr] Compiling proc-macro-rules-macros v0.4.0 [INFO] [stderr] Checking proc-macro-rules v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/lib.rs:86:9 [INFO] [stdout] | [INFO] [stdout] 86 | / rules!(tokens => { [INFO] [stdout] 87 | | ($finish:ident ($($found:ident)+) # [ $($inner:tt)? ] $($rest:expr)*) => { [INFO] [stdout] 88 | | assert_eq!(finish.to_string(), "hi"); [INFO] [stdout] 89 | | assert_eq!(found.len(), 3); [INFO] [stdout] ... | [INFO] [stdout] 93 | | } [INFO] [stdout] 94 | | }); [INFO] [stdout] | |__________^ cannot infer type [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `rules` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/lib.rs:101:9 [INFO] [stdout] | [INFO] [stdout] 101 | / rules!(tokens => { [INFO] [stdout] 102 | | () => { [INFO] [stdout] 103 | | return; [INFO] [stdout] 104 | | } [INFO] [stdout] 105 | | }); [INFO] [stdout] | |__________^ cannot infer type [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `rules` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _` [INFO] [stdout] --> src/lib.rs:123:21 [INFO] [stdout] | [INFO] [stdout] 123 | / if expected_branch == 0 { [INFO] [stdout] 124 | | return; [INFO] [stdout] 125 | | } else { [INFO] [stdout] 126 | | panic!("branch: 0, expected: {}", expected_branch); [INFO] [stdout] 127 | | } [INFO] [stdout] | |_____________________^ cannot satisfy `_ -> _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/lib.rs:161:13 [INFO] [stdout] | [INFO] [stdout] 161 | / rules!(tokens => { [INFO] [stdout] 162 | | (foo $(bar),? baz) => { [INFO] [stdout] 163 | | return; [INFO] [stdout] 164 | | } [INFO] [stdout] 165 | | }); [INFO] [stdout] | |______________^ cannot infer type [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `rules` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/lib.rs:177:13 [INFO] [stdout] | [INFO] [stdout] 177 | / rules!(tokens => { [INFO] [stdout] 178 | | (foo $(bar),+ baz) => { [INFO] [stdout] 179 | | return; [INFO] [stdout] 180 | | } [INFO] [stdout] 181 | | }); [INFO] [stdout] | |______________^ cannot infer type [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `rules` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/lib.rs:196:13 [INFO] [stdout] | [INFO] [stdout] 196 | / rules!(tokens => { [INFO] [stdout] 197 | | (foo $(bar),* baz) => { [INFO] [stdout] 198 | | return; [INFO] [stdout] 199 | | } [INFO] [stdout] 200 | | }); [INFO] [stdout] | |______________^ cannot infer type [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `rules` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 6 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0282, E0284. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `proc-macro-rules` (lib test) due to 7 previous errors [INFO] running `Command { std: "docker" "inspect" "bdc22983a96ce6a43641fc81161497adb8f1cbc862ac6243c376ce57f51e1d22", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bdc22983a96ce6a43641fc81161497adb8f1cbc862ac6243c376ce57f51e1d22", kill_on_drop: false }` [INFO] [stdout] bdc22983a96ce6a43641fc81161497adb8f1cbc862ac6243c376ce57f51e1d22