[INFO] cloning repository https://github.com/limitlesspc/bf-compiler [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/limitlesspc/bf-compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flimitlesspc%2Fbf-compiler", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flimitlesspc%2Fbf-compiler'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f60e9b7fea8f5f4485dbcd4d617a29f7ceb690de [INFO] checking limitlesspc/bf-compiler against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flimitlesspc%2Fbf-compiler" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/limitlesspc/bf-compiler 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/limitlesspc/bf-compiler [INFO] finished tweaking git repo https://github.com/limitlesspc/bf-compiler [INFO] tweaked toml for git repo https://github.com/limitlesspc/bf-compiler written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/limitlesspc/bf-compiler 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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded llvm-sys v120.2.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 675d8025304f40d040f5bf9c0cc8af26c31b152fe39741797bc063c06c4cdeb5 [INFO] running `Command { std: "docker" "start" "-a" "675d8025304f40d040f5bf9c0cc8af26c31b152fe39741797bc063c06c4cdeb5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "675d8025304f40d040f5bf9c0cc8af26c31b152fe39741797bc063c06c4cdeb5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "675d8025304f40d040f5bf9c0cc8af26c31b152fe39741797bc063c06c4cdeb5", kill_on_drop: false }` [INFO] [stdout] 675d8025304f40d040f5bf9c0cc8af26c31b152fe39741797bc063c06c4cdeb5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 39454010e713e0515806a707f37b8ad026e93ef5f67f393336501eaf1c9c1004 [INFO] running `Command { std: "docker" "start" "-a" "39454010e713e0515806a707f37b8ad026e93ef5f67f393336501eaf1c9c1004", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Compiling proc-macro2 v1.0.29 [INFO] [stderr] Compiling libc v0.2.101 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling cc v1.0.70 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Compiling syn v1.0.76 [INFO] [stderr] Compiling pest v2.1.3 [INFO] [stderr] Checking instant v0.1.10 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Checking lock_api v0.4.5 [INFO] [stderr] Compiling semver-parser v0.10.2 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Compiling inkwell v0.1.0 (https://github.com/TheDan64/inkwell?branch=master#995152fa) [INFO] [stderr] Compiling semver v0.11.0 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling llvm-sys v120.2.1 [INFO] [stderr] Compiling inkwell_internals v0.3.0 (https://github.com/TheDan64/inkwell?branch=master#995152fa) [INFO] [stderr] Checking bf-compiler v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.47s [INFO] running `Command { std: "docker" "inspect" "39454010e713e0515806a707f37b8ad026e93ef5f67f393336501eaf1c9c1004", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "39454010e713e0515806a707f37b8ad026e93ef5f67f393336501eaf1c9c1004", kill_on_drop: false }` [INFO] [stdout] 39454010e713e0515806a707f37b8ad026e93ef5f67f393336501eaf1c9c1004 [INFO] checking limitlesspc/bf-compiler against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flimitlesspc%2Fbf-compiler" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/limitlesspc/bf-compiler 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/limitlesspc/bf-compiler [INFO] finished tweaking git repo https://github.com/limitlesspc/bf-compiler [INFO] tweaked toml for git repo https://github.com/limitlesspc/bf-compiler written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/limitlesspc/bf-compiler 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 8842a7f39c3fbe38cf0a3a2c03a84f4382f9f26d011563c99f8688f93a862acb [INFO] running `Command { std: "docker" "start" "-a" "8842a7f39c3fbe38cf0a3a2c03a84f4382f9f26d011563c99f8688f93a862acb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8842a7f39c3fbe38cf0a3a2c03a84f4382f9f26d011563c99f8688f93a862acb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8842a7f39c3fbe38cf0a3a2c03a84f4382f9f26d011563c99f8688f93a862acb", kill_on_drop: false }` [INFO] [stdout] 8842a7f39c3fbe38cf0a3a2c03a84f4382f9f26d011563c99f8688f93a862acb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 7477ced2d1b6f58b4d5cfa31542270958873de5762b75adddd88bcc979c1e40d [INFO] running `Command { std: "docker" "start" "-a" "7477ced2d1b6f58b4d5cfa31542270958873de5762b75adddd88bcc979c1e40d", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Compiling libc v0.2.101 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling proc-macro2 v1.0.29 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling cc v1.0.70 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Compiling syn v1.0.76 [INFO] [stderr] Compiling pest v2.1.3 [INFO] [stderr] Checking instant v0.1.10 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling semver-parser v0.10.2 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking lock_api v0.4.5 [INFO] [stderr] Compiling inkwell v0.1.0 (https://github.com/TheDan64/inkwell?branch=master#995152fa) [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling semver v0.11.0 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Checking once_cell v1.8.0 [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] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "7477ced2d1b6f58b4d5cfa31542270958873de5762b75adddd88bcc979c1e40d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7477ced2d1b6f58b4d5cfa31542270958873de5762b75adddd88bcc979c1e40d", kill_on_drop: false }` [INFO] [stdout] 7477ced2d1b6f58b4d5cfa31542270958873de5762b75adddd88bcc979c1e40d