[INFO] cloning repository https://github.com/svernidub/sexpr [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/svernidub/sexpr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsvernidub%2Fsexpr", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsvernidub%2Fsexpr'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 85f61aba81fe03e102b5916653f37fabd195ee1c [INFO] checking svernidub/sexpr against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsvernidub%2Fsexpr" "/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/svernidub/sexpr 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/svernidub/sexpr [INFO] finished tweaking git repo https://github.com/svernidub/sexpr [INFO] tweaked toml for git repo https://github.com/svernidub/sexpr written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/svernidub/sexpr 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] Blocking waiting for file lock on package cache [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] 39e259b26953ee63b76447c399ef436512d5dcf8b1629dfb28e3701ae75709df [INFO] running `Command { std: "docker" "start" "-a" "39e259b26953ee63b76447c399ef436512d5dcf8b1629dfb28e3701ae75709df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "39e259b26953ee63b76447c399ef436512d5dcf8b1629dfb28e3701ae75709df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "39e259b26953ee63b76447c399ef436512d5dcf8b1629dfb28e3701ae75709df", kill_on_drop: false }` [INFO] [stdout] 39e259b26953ee63b76447c399ef436512d5dcf8b1629dfb28e3701ae75709df [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] 28125d5ed58d0e37578f348257c0fb88af43eb027cce3ed0e537cb7ba836becb [INFO] running `Command { std: "docker" "start" "-a" "28125d5ed58d0e37578f348257c0fb88af43eb027cce3ed0e537cb7ba836becb", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking sexpr v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variants `SNumber`, `SString`, `SFunc`, `SList`, and `SBool` are never constructed [INFO] [stdout] --> src/sexpr/expr.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | pub enum SExpr { [INFO] [stdout] | ----- variants in this enum [INFO] [stdout] 6 | SNumber(f32), [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 7 | SString(String), [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 8 | SFunc(String, Vec>), [INFO] [stdout] | ^^^^^ [INFO] [stdout] 9 | SList(Vec>), [INFO] [stdout] | ^^^^^ [INFO] [stdout] 10 | SBool(bool) [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SExpr` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Expr` is never used [INFO] [stdout] --> src/sexpr/sexpr_parser.rs:8:10 [INFO] [stdout] | [INFO] [stdout] 8 | pub enum Expr { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Expr` 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: function `parse` is never used [INFO] [stdout] --> src/sexpr/sexpr_parser.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 17 | pub fn parse<'a>(sexpr: String) -> Result { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `is_end_terminator` is never used [INFO] [stdout] --> src/sexpr/sexpr_parser.rs:103:4 [INFO] [stdout] | [INFO] [stdout] 103 | fn is_end_terminator(token: char) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `is_start_terminator` is never used [INFO] [stdout] --> src/sexpr/sexpr_parser.rs:107:4 [INFO] [stdout] | [INFO] [stdout] 107 | fn is_start_terminator(token: char) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `is_list_end_terminator` is never used [INFO] [stdout] --> src/sexpr/sexpr_parser.rs:111:4 [INFO] [stdout] | [INFO] [stdout] 111 | fn is_list_end_terminator(token: char) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `is_list_start_terminator` is never used [INFO] [stdout] --> src/sexpr/sexpr_parser.rs:115:4 [INFO] [stdout] | [INFO] [stdout] 115 | fn is_list_start_terminator(token: char) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `parse_expr` is never used [INFO] [stdout] --> src/sexpr/expr_parser.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn parse_expr<'a>(sexpr: String) -> Result { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `parse` is never used [INFO] [stdout] --> src/sexpr/parse_to_ast.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn parse<'a>(expressions: Vec) -> Result { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `transform_expressions` is never used [INFO] [stdout] --> src/sexpr/parse_to_ast.rs:19:4 [INFO] [stdout] | [INFO] [stdout] 19 | fn transform_expressions<'a>(expressions: Vec) -> Result>, &'a str> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.59s [INFO] running `Command { std: "docker" "inspect" "28125d5ed58d0e37578f348257c0fb88af43eb027cce3ed0e537cb7ba836becb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "28125d5ed58d0e37578f348257c0fb88af43eb027cce3ed0e537cb7ba836becb", kill_on_drop: false }` [INFO] [stdout] 28125d5ed58d0e37578f348257c0fb88af43eb027cce3ed0e537cb7ba836becb [INFO] checking svernidub/sexpr against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsvernidub%2Fsexpr" "/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/svernidub/sexpr 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/svernidub/sexpr [INFO] finished tweaking git repo https://github.com/svernidub/sexpr [INFO] tweaked toml for git repo https://github.com/svernidub/sexpr written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/svernidub/sexpr 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] 0a7760cd07d77f543240a5561b738cefa03c1a690652a1c7e154f55b5c50075f [INFO] running `Command { std: "docker" "start" "-a" "0a7760cd07d77f543240a5561b738cefa03c1a690652a1c7e154f55b5c50075f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0a7760cd07d77f543240a5561b738cefa03c1a690652a1c7e154f55b5c50075f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0a7760cd07d77f543240a5561b738cefa03c1a690652a1c7e154f55b5c50075f", kill_on_drop: false }` [INFO] [stdout] 0a7760cd07d77f543240a5561b738cefa03c1a690652a1c7e154f55b5c50075f [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] 4f1f4fd968cf28c5ff53b92c4bffede8b1389968c9b6607bdb909953ae2d2723 [INFO] running `Command { std: "docker" "start" "-a" "4f1f4fd968cf28c5ff53b92c4bffede8b1389968c9b6607bdb909953ae2d2723", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.5.4/src/exec.rs:848:13 [INFO] [stdout] | [INFO] [stdout] 848 | / match dfa::Fsm::reverse( [INFO] [stdout] 849 | | &self.ro.dfa_reverse, [INFO] [stdout] 850 | | self.cache.value(), [INFO] [stdout] 851 | | false, [INFO] [stdout] ... | [INFO] [stdout] 862 | | Quit => return Some(Quit), [INFO] [stdout] 863 | | }; [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] running `Command { std: "docker" "inspect" "4f1f4fd968cf28c5ff53b92c4bffede8b1389968c9b6607bdb909953ae2d2723", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4f1f4fd968cf28c5ff53b92c4bffede8b1389968c9b6607bdb909953ae2d2723", kill_on_drop: false }` [INFO] [stdout] 4f1f4fd968cf28c5ff53b92c4bffede8b1389968c9b6607bdb909953ae2d2723