[INFO] cloning repository https://github.com/abooishaaq/fnc [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/abooishaaq/fnc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabooishaaq%2Ffnc", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabooishaaq%2Ffnc'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4b8c5781236d436943bc9eb1b30d4ee1f69f572e [INFO] checking abooishaaq/fnc against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabooishaaq%2Ffnc" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/abooishaaq/fnc 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 git repo https://github.com/abooishaaq/fnc [INFO] finished tweaking git repo https://github.com/abooishaaq/fnc [INFO] tweaked toml for git repo https://github.com/abooishaaq/fnc written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/abooishaaq/fnc 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] 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] 51dda28b3d7f856dbbe95c2949416300cba371b0e2ef5fc556b28089e4a7ce3d [INFO] running `Command { std: "docker" "start" "-a" "51dda28b3d7f856dbbe95c2949416300cba371b0e2ef5fc556b28089e4a7ce3d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "51dda28b3d7f856dbbe95c2949416300cba371b0e2ef5fc556b28089e4a7ce3d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "51dda28b3d7f856dbbe95c2949416300cba371b0e2ef5fc556b28089e4a7ce3d", kill_on_drop: false }` [INFO] [stdout] 51dda28b3d7f856dbbe95c2949416300cba371b0e2ef5fc556b28089e4a7ce3d [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] 31b42a4185a04e0735a94e8e4f3e150ab70ab97e45e99918df70ca55666f79a8 [INFO] running `Command { std: "docker" "start" "-a" "31b42a4185a04e0735a94e8e4f3e150ab70ab97e45e99918df70ca55666f79a8", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.144 [INFO] [stderr] Compiling parking_lot_core v0.9.7 [INFO] [stderr] Compiling io-lifetimes v1.0.10 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling rustix v0.37.19 [INFO] [stderr] Compiling lock_api v0.4.9 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling smallvec v1.10.0 [INFO] [stderr] Compiling crunchy v0.2.2 [INFO] [stderr] Compiling regex-syntax v0.7.1 [INFO] [stderr] Compiling linux-raw-sys v0.3.7 [INFO] [stderr] Compiling siphasher v0.3.10 [INFO] [stderr] Compiling tiny-keccak v2.0.2 [INFO] [stderr] Compiling phf_shared v0.10.0 [INFO] [stderr] Compiling either v1.8.1 [INFO] [stderr] Compiling new_debug_unreachable v1.0.4 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling bit-vec v0.6.3 [INFO] [stderr] Compiling once_cell v1.17.1 [INFO] [stderr] Compiling fixedbitset v0.4.2 [INFO] [stderr] Compiling itertools v0.10.5 [INFO] [stderr] Compiling bit-set v0.5.3 [INFO] [stderr] Compiling ena v0.14.2 [INFO] [stderr] Compiling petgraph v0.6.3 [INFO] [stderr] Compiling pico-args v0.5.0 [INFO] [stderr] Compiling diff v0.1.13 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Checking aho-corasick v1.0.1 [INFO] [stderr] Compiling dirs-sys-next v0.1.2 [INFO] [stderr] Compiling dirs-next v2.0.0 [INFO] [stderr] Compiling term v0.7.0 [INFO] [stderr] Compiling parking_lot v0.12.1 [INFO] [stderr] Compiling regex v1.8.1 [INFO] [stderr] Compiling ascii-canvas v3.0.0 [INFO] [stderr] Compiling string_cache v0.8.7 [INFO] [stderr] Compiling lalrpop-util v0.20.0 [INFO] [stderr] Compiling is-terminal v0.4.7 [INFO] [stderr] Compiling lalrpop v0.20.0 [INFO] [stderr] Compiling fnc v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: type alias `TypedExpr` is never used [INFO] [stdout] --> src/ast.rs:40:10 [INFO] [stdout] | [INFO] [stdout] 40 | pub type TypedExpr = (Expr, Type); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `TypedFunc` is never constructed [INFO] [stdout] --> src/ast.rs:52:12 [INFO] [stdout] | [INFO] [stdout] 52 | pub struct TypedFunc { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TypedFunc` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `TypedExpr` is never used [INFO] [stdout] --> src/ast.rs:40:10 [INFO] [stdout] | [INFO] [stdout] 40 | pub type TypedExpr = (Expr, Type); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `TypedFunc` is never constructed [INFO] [stdout] --> src/ast.rs:52:12 [INFO] [stdout] | [INFO] [stdout] 52 | pub struct TypedFunc { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TypedFunc` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.03s [INFO] running `Command { std: "docker" "inspect" "31b42a4185a04e0735a94e8e4f3e150ab70ab97e45e99918df70ca55666f79a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "31b42a4185a04e0735a94e8e4f3e150ab70ab97e45e99918df70ca55666f79a8", kill_on_drop: false }` [INFO] [stdout] 31b42a4185a04e0735a94e8e4f3e150ab70ab97e45e99918df70ca55666f79a8 [INFO] checking abooishaaq/fnc against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabooishaaq%2Ffnc" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/abooishaaq/fnc 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 git repo https://github.com/abooishaaq/fnc [INFO] finished tweaking git repo https://github.com/abooishaaq/fnc [INFO] tweaked toml for git repo https://github.com/abooishaaq/fnc written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/abooishaaq/fnc 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] 9fd68387bb6ffa90a76008485d7af8c8b8ac006119ed8889ba8811cbff2dfab6 [INFO] running `Command { std: "docker" "start" "-a" "9fd68387bb6ffa90a76008485d7af8c8b8ac006119ed8889ba8811cbff2dfab6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9fd68387bb6ffa90a76008485d7af8c8b8ac006119ed8889ba8811cbff2dfab6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9fd68387bb6ffa90a76008485d7af8c8b8ac006119ed8889ba8811cbff2dfab6", kill_on_drop: false }` [INFO] [stdout] 9fd68387bb6ffa90a76008485d7af8c8b8ac006119ed8889ba8811cbff2dfab6 [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] fdf3d6bfc3589675a73dcf605d1bc0d42fa2d28b6804738eebd065773bc9d19a [INFO] running `Command { std: "docker" "start" "-a" "fdf3d6bfc3589675a73dcf605d1bc0d42fa2d28b6804738eebd065773bc9d19a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.144 [INFO] [stderr] Compiling io-lifetimes v1.0.10 [INFO] [stderr] Compiling parking_lot_core v0.9.7 [INFO] [stderr] Compiling smallvec v1.10.0 [INFO] [stderr] Compiling rustix v0.37.19 [INFO] [stderr] Compiling lock_api v0.4.9 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling crunchy v0.2.2 [INFO] [stderr] Compiling siphasher v0.3.10 [INFO] [stderr] Compiling tiny-keccak v2.0.2 [INFO] [stderr] Compiling regex-syntax v0.7.1 [INFO] [stderr] Compiling linux-raw-sys v0.3.7 [INFO] [stderr] Compiling phf_shared v0.10.0 [INFO] [stderr] Compiling bit-vec v0.6.3 [INFO] [stderr] Compiling new_debug_unreachable v1.0.4 [INFO] [stderr] Compiling fixedbitset v0.4.2 [INFO] [stderr] Compiling either v1.8.1 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling once_cell v1.17.1 [INFO] [stderr] Compiling bit-set v0.5.3 [INFO] [stderr] Compiling itertools v0.10.5 [INFO] [stderr] Compiling ena v0.14.2 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Compiling petgraph v0.6.3 [INFO] [stderr] Compiling pico-args v0.5.0 [INFO] [stderr] Compiling diff v0.1.13 [INFO] [stderr] Checking aho-corasick v1.0.1 [INFO] [stderr] Compiling dirs-sys-next v0.1.2 [INFO] [stderr] Compiling dirs-next v2.0.0 [INFO] [stderr] Compiling parking_lot v0.12.1 [INFO] [stderr] Compiling term v0.7.0 [INFO] [stderr] Compiling regex v1.8.1 [INFO] [stderr] Compiling string_cache v0.8.7 [INFO] [stderr] Compiling ascii-canvas v3.0.0 [INFO] [stderr] Compiling lalrpop-util v0.20.0 [INFO] [stderr] Compiling is-terminal v0.4.7 [INFO] [stderr] Compiling lalrpop v0.20.0 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.8.1/src/exec.rs:899:13 [INFO] [stdout] | [INFO] [stdout] 899 | / match dfa::Fsm::reverse( [INFO] [stdout] 900 | | &self.ro.dfa_reverse, [INFO] [stdout] 901 | | self.cache.value(), [INFO] [stdout] 902 | | false, [INFO] [stdout] ... | [INFO] [stdout] 913 | | Quit => return Some(Quit), [INFO] [stdout] 914 | | }; [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] [stderr] error: could not compile `regex` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "fdf3d6bfc3589675a73dcf605d1bc0d42fa2d28b6804738eebd065773bc9d19a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fdf3d6bfc3589675a73dcf605d1bc0d42fa2d28b6804738eebd065773bc9d19a", kill_on_drop: false }` [INFO] [stdout] fdf3d6bfc3589675a73dcf605d1bc0d42fa2d28b6804738eebd065773bc9d19a