[INFO] cloning repository https://github.com/imbrem/refcomp [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/imbrem/refcomp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimbrem%2Frefcomp", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimbrem%2Frefcomp'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 78115b8c4e7b719610fad9d7aa439b484d831899 [INFO] checking imbrem/refcomp against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimbrem%2Frefcomp" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/imbrem/refcomp 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/imbrem/refcomp [INFO] finished tweaking git repo https://github.com/imbrem/refcomp [INFO] tweaked toml for git repo https://github.com/imbrem/refcomp written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/imbrem/refcomp 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 git repository `https://github.com/TheDan64/inkwell` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded enum-methods v0.0.8 [INFO] [stderr] Downloaded by_address v1.0.4 [INFO] [stderr] Downloaded llvm-sys v70.1.0 [INFO] [stderr] Downloaded proc-macro2 v0.4.25 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 81b184bf9be58c7642e333d7dafc7a2708f9ae6af573e90e4de84b28b5dd0133 [INFO] running `Command { std: "docker" "start" "-a" "81b184bf9be58c7642e333d7dafc7a2708f9ae6af573e90e4de84b28b5dd0133", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "81b184bf9be58c7642e333d7dafc7a2708f9ae6af573e90e4de84b28b5dd0133", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "81b184bf9be58c7642e333d7dafc7a2708f9ae6af573e90e4de84b28b5dd0133", kill_on_drop: false }` [INFO] [stdout] 81b184bf9be58c7642e333d7dafc7a2708f9ae6af573e90e4de84b28b5dd0133 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 0a8cdaa0a950e9eda2b2189b28a2b31d0903359033f8011081da43391c4e2f5b [INFO] running `Command { std: "docker" "start" "-a" "0a8cdaa0a950e9eda2b2189b28a2b31d0903359033f8011081da43391c4e2f5b", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.47 [INFO] [stderr] Compiling proc-macro2 v0.4.25 [INFO] [stderr] Compiling cfg-if v0.1.6 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Compiling lazy_static v1.2.0 [INFO] [stderr] Compiling utf8-ranges v1.0.2 [INFO] [stderr] Compiling memchr v2.1.2 [INFO] [stderr] Compiling regex-syntax v0.6.4 [INFO] [stderr] Compiling cc v1.0.28 [INFO] [stderr] Compiling ucd-trie v0.1.1 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Compiling maplit v1.0.1 [INFO] [stderr] Compiling inkwell v0.1.0 (https://github.com/TheDan64/inkwell?branch=llvm7-0#ae238f05) [INFO] [stderr] Checking either v1.5.0 [INFO] [stderr] Checking by_address v1.0.4 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Checking pest v2.1.0 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling quote v0.6.10 [INFO] [stderr] Compiling syn v0.15.26 [INFO] [stderr] Compiling pest_meta v2.1.0 [INFO] [stderr] Compiling aho-corasick v0.6.9 [INFO] [stderr] Compiling enum-methods v0.0.8 [INFO] [stderr] Compiling pest_generator v2.1.0 [INFO] [stderr] Compiling llvm-sys v70.1.0 [INFO] [stderr] Compiling inkwell_internal_macros v0.1.0 (https://github.com/TheDan64/inkwell?branch=llvm7-0#ae238f05) [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Checking refcomp v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Statement` is imported redundantly [INFO] [stdout] --> src/codegen/mod.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use crate::ast::statement::Statement; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 18 | use crate::ast::statement::*; [INFO] [stdout] | ------------------------ the item `Statement` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Rule` is imported redundantly [INFO] [stdout] --> src/ast/declaration.rs:134:25 [INFO] [stdout] | [INFO] [stdout] 129 | use super::*; [INFO] [stdout] | -------- the item `Rule` is already imported here [INFO] [stdout] ... [INFO] [stdout] 134 | use crate::parser::{Rule, CSC488Parser}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Rc` is imported redundantly [INFO] [stdout] --> src/ast/declaration.rs:137:9 [INFO] [stdout] | [INFO] [stdout] 129 | use super::*; [INFO] [stdout] | -------- the item `Rc` is already imported here [INFO] [stdout] ... [INFO] [stdout] 137 | use std::rc::Rc; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Statement` is imported redundantly [INFO] [stdout] --> src/codegen/mod.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use crate::ast::statement::Statement; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 18 | use crate::ast::statement::*; [INFO] [stdout] | ------------------------ the item `Statement` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused closure that must be used [INFO] [stdout] --> src/ast/table.rs:100:9 [INFO] [stdout] | [INFO] [stdout] 100 | / scope.visit_dependencies(|v : Rc| { [INFO] [stdout] 101 | | if v.get_level().unwrap_or_else(|| { [INFO] [stdout] 102 | | panic!("Variable \"{}\" has no level.\nVariable dump:\n{:?}", v.get_name(), v) [INFO] [stdout] 103 | | }) < self.get_level().unwrap_or_else(|| { [INFO] [stdout] ... | [INFO] [stdout] 114 | | } [INFO] [stdout] 115 | | }); [INFO] [stdout] | |__________^ [INFO] [stdout] | [INFO] [stdout] = note: closures are lazy and do nothing unless called [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused closure that must be used [INFO] [stdout] --> src/ast/table.rs:100:9 [INFO] [stdout] | [INFO] [stdout] 100 | / scope.visit_dependencies(|v : Rc| { [INFO] [stdout] 101 | | if v.get_level().unwrap_or_else(|| { [INFO] [stdout] 102 | | panic!("Variable \"{}\" has no level.\nVariable dump:\n{:?}", v.get_name(), v) [INFO] [stdout] 103 | | }) < self.get_level().unwrap_or_else(|| { [INFO] [stdout] ... | [INFO] [stdout] 114 | | } [INFO] [stdout] 115 | | }); [INFO] [stdout] | |__________^ [INFO] [stdout] | [INFO] [stdout] = note: closures are lazy and do nothing unless called [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.39s [INFO] running `Command { std: "docker" "inspect" "0a8cdaa0a950e9eda2b2189b28a2b31d0903359033f8011081da43391c4e2f5b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0a8cdaa0a950e9eda2b2189b28a2b31d0903359033f8011081da43391c4e2f5b", kill_on_drop: false }` [INFO] [stdout] 0a8cdaa0a950e9eda2b2189b28a2b31d0903359033f8011081da43391c4e2f5b [INFO] checking imbrem/refcomp against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimbrem%2Frefcomp" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/imbrem/refcomp 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/imbrem/refcomp [INFO] finished tweaking git repo https://github.com/imbrem/refcomp [INFO] tweaked toml for git repo https://github.com/imbrem/refcomp written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/imbrem/refcomp 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 20384cd7d53bd369820d19fd610191c65dd5ae28f05309f120a846ee08d13a73 [INFO] running `Command { std: "docker" "start" "-a" "20384cd7d53bd369820d19fd610191c65dd5ae28f05309f120a846ee08d13a73", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "20384cd7d53bd369820d19fd610191c65dd5ae28f05309f120a846ee08d13a73", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "20384cd7d53bd369820d19fd610191c65dd5ae28f05309f120a846ee08d13a73", kill_on_drop: false }` [INFO] [stdout] 20384cd7d53bd369820d19fd610191c65dd5ae28f05309f120a846ee08d13a73 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 7644e79aa964daab91e2bb9e04f2c791313c6ceed441c635af892a09753ac4a0 [INFO] running `Command { std: "docker" "start" "-a" "7644e79aa964daab91e2bb9e04f2c791313c6ceed441c635af892a09753ac4a0", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.47 [INFO] [stderr] Compiling proc-macro2 v0.4.25 [INFO] [stderr] Compiling cfg-if v0.1.6 [INFO] [stderr] Compiling lazy_static v1.2.0 [INFO] [stderr] Compiling memchr v2.1.2 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Compiling regex-syntax v0.6.4 [INFO] [stderr] Compiling utf8-ranges v1.0.2 [INFO] [stderr] Compiling cc v1.0.28 [INFO] [stderr] Compiling ucd-trie v0.1.1 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling maplit v1.0.1 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Compiling inkwell v0.1.0 (https://github.com/TheDan64/inkwell?branch=llvm7-0#ae238f05) [INFO] [stderr] Checking either v1.5.0 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Checking by_address v1.0.4 [INFO] [stderr] Checking pest v2.1.0 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling quote v0.6.10 [INFO] [stderr] Compiling syn v0.15.26 [INFO] [stderr] Compiling aho-corasick v0.6.9 [INFO] [stderr] Compiling pest_meta v2.1.0 [INFO] [stderr] Compiling enum-methods v0.0.8 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.1.0/src/exec.rs:754:13 [INFO] [stdout] | [INFO] [stdout] 754 | / match dfa::Fsm::reverse( [INFO] [stdout] 755 | | &self.ro.dfa_reverse, [INFO] [stdout] 756 | | self.cache, [INFO] [stdout] 757 | | false, [INFO] [stdout] ... | [INFO] [stdout] 764 | | Quit => return Some(Quit), [INFO] [stdout] 765 | | }; [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" "7644e79aa964daab91e2bb9e04f2c791313c6ceed441c635af892a09753ac4a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7644e79aa964daab91e2bb9e04f2c791313c6ceed441c635af892a09753ac4a0", kill_on_drop: false }` [INFO] [stdout] 7644e79aa964daab91e2bb9e04f2c791313c6ceed441c635af892a09753ac4a0