[INFO] cloning repository https://github.com/danlucraft/risp [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/danlucraft/risp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanlucraft%2Frisp", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanlucraft%2Frisp'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1813887ee74836280cb12657ba2e904d3fc67093 [INFO] checking danlucraft/risp against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanlucraft%2Frisp" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/danlucraft/risp 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/danlucraft/risp [INFO] finished tweaking git repo https://github.com/danlucraft/risp [INFO] tweaked toml for git repo https://github.com/danlucraft/risp written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/danlucraft/risp 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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 21f0a8bbae9a1e44b48dc4555e90e71901a7923e98f6c03f20462f22cf45ded1 [INFO] running `Command { std: "docker" "start" "-a" "21f0a8bbae9a1e44b48dc4555e90e71901a7923e98f6c03f20462f22cf45ded1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "21f0a8bbae9a1e44b48dc4555e90e71901a7923e98f6c03f20462f22cf45ded1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "21f0a8bbae9a1e44b48dc4555e90e71901a7923e98f6c03f20462f22cf45ded1", kill_on_drop: false }` [INFO] [stdout] 21f0a8bbae9a1e44b48dc4555e90e71901a7923e98f6c03f20462f22cf45ded1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 060e7cf885970fe246c3bff548e258d00bab6a3d496a178ea176b4c56b1ab0eb [INFO] running `Command { std: "docker" "start" "-a" "060e7cf885970fe246c3bff548e258d00bab6a3d496a178ea176b4c56b1ab0eb", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling regex v1.1.7 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Checking utf8-ranges v1.0.3 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking regex-syntax v0.6.7 [INFO] [stderr] Checking aho-corasick v0.7.3 [INFO] [stderr] Checking risp v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `crate::risp::loader` [INFO] [stdout] --> src/risp/prelude.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::risp::loader; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::risp::environment::Env` [INFO] [stdout] --> src/risp/prelude.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::risp::environment::Env; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Exception` is never constructed [INFO] [stdout] --> src/risp/expressions.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 6 | pub enum Exp { [INFO] [stdout] | --- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 14 | Exception(exceptions::Exception) [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Exp` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `SyntaxError` is never constructed [INFO] [stdout] --> src/risp/exceptions.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 11 | pub enum ExceptionType { [INFO] [stdout] | ------------- variant in this enum [INFO] [stdout] 12 | ArgumentError, [INFO] [stdout] 13 | SyntaxError, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ExceptionType` 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: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Exception` is never constructed [INFO] [stdout] --> src/risp/expressions.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 6 | pub enum Exp { [INFO] [stdout] | --- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 14 | Exception(exceptions::Exception) [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Exp` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `SyntaxError` is never constructed [INFO] [stdout] --> src/risp/exceptions.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 11 | pub enum ExceptionType { [INFO] [stdout] | ------------- variant in this enum [INFO] [stdout] 12 | ArgumentError, [INFO] [stdout] 13 | SyntaxError, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ExceptionType` 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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.67s [INFO] running `Command { std: "docker" "inspect" "060e7cf885970fe246c3bff548e258d00bab6a3d496a178ea176b4c56b1ab0eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "060e7cf885970fe246c3bff548e258d00bab6a3d496a178ea176b4c56b1ab0eb", kill_on_drop: false }` [INFO] [stdout] 060e7cf885970fe246c3bff548e258d00bab6a3d496a178ea176b4c56b1ab0eb [INFO] checking danlucraft/risp against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanlucraft%2Frisp" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/danlucraft/risp 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/danlucraft/risp [INFO] finished tweaking git repo https://github.com/danlucraft/risp [INFO] tweaked toml for git repo https://github.com/danlucraft/risp written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/danlucraft/risp 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 9fbbe54404fb58a516fab7088f7d527ab7d85d27434edacf66dc4f5ab439a25e [INFO] running `Command { std: "docker" "start" "-a" "9fbbe54404fb58a516fab7088f7d527ab7d85d27434edacf66dc4f5ab439a25e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9fbbe54404fb58a516fab7088f7d527ab7d85d27434edacf66dc4f5ab439a25e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9fbbe54404fb58a516fab7088f7d527ab7d85d27434edacf66dc4f5ab439a25e", kill_on_drop: false }` [INFO] [stdout] 9fbbe54404fb58a516fab7088f7d527ab7d85d27434edacf66dc4f5ab439a25e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 2a372406cf4a685f0d0fbb8ef0dbf4516104e2f7dbbe99a496f1f65b4c97bce4 [INFO] running `Command { std: "docker" "start" "-a" "2a372406cf4a685f0d0fbb8ef0dbf4516104e2f7dbbe99a496f1f65b4c97bce4", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling regex v1.1.7 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Checking utf8-ranges v1.0.3 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking regex-syntax v0.6.7 [INFO] [stderr] Checking aho-corasick v0.7.3 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.1.7/src/exec.rs:797:13 [INFO] [stdout] | [INFO] [stdout] 797 | / match dfa::Fsm::reverse( [INFO] [stdout] 798 | | &self.ro.dfa_reverse, [INFO] [stdout] 799 | | self.cache, [INFO] [stdout] 800 | | false, [INFO] [stdout] ... | [INFO] [stdout] 811 | | Quit => return Some(Quit), [INFO] [stdout] 812 | | }; [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" "2a372406cf4a685f0d0fbb8ef0dbf4516104e2f7dbbe99a496f1f65b4c97bce4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2a372406cf4a685f0d0fbb8ef0dbf4516104e2f7dbbe99a496f1f65b4c97bce4", kill_on_drop: false }` [INFO] [stdout] 2a372406cf4a685f0d0fbb8ef0dbf4516104e2f7dbbe99a496f1f65b4c97bce4