[INFO] cloning repository https://github.com/terry-u16/ahc014 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/terry-u16/ahc014" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fterry-u16%2Fahc014", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fterry-u16%2Fahc014'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2a1430a18ee3759f6203006e0fc70255018beedc [INFO] checking terry-u16/ahc014 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fterry-u16%2Fahc014" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/terry-u16/ahc014 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/terry-u16/ahc014 [INFO] finished tweaking git repo https://github.com/terry-u16/ahc014 [INFO] tweaked toml for git repo https://github.com/terry-u16/ahc014 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/terry-u16/ahc014 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 crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded superslice v1.0.0 [INFO] [stderr] Downloaded bitset-fixed v0.1.0 [INFO] [stderr] Downloaded whiteread v0.5.0 [INFO] [stderr] Downloaded sized-chunks v0.5.3 [INFO] [stderr] Downloaded im-rc v14.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 25cc32c5440fba52cbd90fb1d5fdfa2721986c1c627b02bf2a99cdd25354dd27 [INFO] running `Command { std: "docker" "start" "-a" "25cc32c5440fba52cbd90fb1d5fdfa2721986c1c627b02bf2a99cdd25354dd27", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "25cc32c5440fba52cbd90fb1d5fdfa2721986c1c627b02bf2a99cdd25354dd27", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "25cc32c5440fba52cbd90fb1d5fdfa2721986c1c627b02bf2a99cdd25354dd27", kill_on_drop: false }` [INFO] [stdout] 25cc32c5440fba52cbd90fb1d5fdfa2721986c1c627b02bf2a99cdd25354dd27 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 25252eb35d320add3a60a1ac28a8d32cb4edc2c5e7412a599ef7ddcd7e723171 [INFO] running `Command { std: "docker" "start" "-a" "25252eb35d320add3a60a1ac28a8d32cb4edc2c5e7412a599ef7ddcd7e723171", kill_on_drop: false }` [INFO] [stderr] Compiling libm v0.2.1 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling libc v0.2.133 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling proc-macro2 v1.0.43 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Compiling unicode-ident v1.0.4 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling num-iter v0.1.40 [INFO] [stderr] Compiling indexmap v1.3.2 [INFO] [stderr] Checking rawpointer v0.2.1 [INFO] [stderr] Compiling syn v1.0.100 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Compiling im-rc v14.3.0 [INFO] [stderr] Checking matrixmultiply v0.2.4 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking bitmaps v2.1.0 [INFO] [stderr] Checking once_cell v1.15.0 [INFO] [stderr] Checking rand_pcg v0.2.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking approx v0.3.2 [INFO] [stderr] Compiling ndarray v0.13.0 [INFO] [stderr] Checking thread_local v1.1.4 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking aho-corasick v0.7.19 [INFO] [stderr] Checking rand_xoshiro v0.4.0 [INFO] [stderr] Checking num-bigint v0.2.6 [INFO] [stderr] Checking alga v0.9.3 [INFO] [stderr] Checking sized-chunks v0.5.3 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking generic-array v0.13.3 [INFO] [stderr] Checking rand_distr v0.2.2 [INFO] [stderr] Checking fixedbitset v0.2.0 [INFO] [stderr] Checking regex-syntax v0.6.27 [INFO] [stderr] Checking petgraph v0.5.0 [INFO] [stderr] Checking itertools-num v0.1.3 [INFO] [stderr] Checking ordered-float v1.0.2 [INFO] [stderr] Checking rand_hc v0.2.0 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking num v0.2.1 [INFO] [stderr] Checking nalgebra v0.20.0 [INFO] [stderr] Checking bitset-fixed v0.1.0 [INFO] [stderr] Checking rustc-hash v1.1.0 [INFO] [stderr] Checking smallvec v1.2.0 [INFO] [stderr] Checking superslice v1.0.0 [INFO] [stderr] Checking maplit v1.0.2 [INFO] [stderr] Checking permutohedron v0.2.4 [INFO] [stderr] Checking text_io v0.1.8 [INFO] [stderr] Checking whiteread v0.5.0 [INFO] [stderr] Checking ascii v1.0.0 [INFO] [stderr] Checking regex v1.3.6 [INFO] [stderr] Compiling num-derive v0.3.0 [INFO] [stderr] Compiling proconio-derive v0.1.9 [INFO] [stderr] Checking proconio v0.3.6 [INFO] [stderr] Checking ahc014 v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.20s [INFO] running `Command { std: "docker" "inspect" "25252eb35d320add3a60a1ac28a8d32cb4edc2c5e7412a599ef7ddcd7e723171", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "25252eb35d320add3a60a1ac28a8d32cb4edc2c5e7412a599ef7ddcd7e723171", kill_on_drop: false }` [INFO] [stdout] 25252eb35d320add3a60a1ac28a8d32cb4edc2c5e7412a599ef7ddcd7e723171 [INFO] checking terry-u16/ahc014 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fterry-u16%2Fahc014" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/terry-u16/ahc014 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/terry-u16/ahc014 [INFO] finished tweaking git repo https://github.com/terry-u16/ahc014 [INFO] tweaked toml for git repo https://github.com/terry-u16/ahc014 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/terry-u16/ahc014 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] c65158f615c9660933da3c068e44c6b6924d4c97827ab7db5c77df9f4860bb6d [INFO] running `Command { std: "docker" "start" "-a" "c65158f615c9660933da3c068e44c6b6924d4c97827ab7db5c77df9f4860bb6d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c65158f615c9660933da3c068e44c6b6924d4c97827ab7db5c77df9f4860bb6d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c65158f615c9660933da3c068e44c6b6924d4c97827ab7db5c77df9f4860bb6d", kill_on_drop: false }` [INFO] [stdout] c65158f615c9660933da3c068e44c6b6924d4c97827ab7db5c77df9f4860bb6d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] eb47046970ca20713e1220b0d8946a12379b9bb960f9a6cfe983ab64ed03f4d3 [INFO] running `Command { std: "docker" "start" "-a" "eb47046970ca20713e1220b0d8946a12379b9bb960f9a6cfe983ab64ed03f4d3", kill_on_drop: false }` [INFO] [stderr] Compiling libm v0.2.1 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling libc v0.2.133 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling proc-macro2 v1.0.43 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Compiling unicode-ident v1.0.4 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling num-iter v0.1.40 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling indexmap v1.3.2 [INFO] [stderr] Compiling syn v1.0.100 [INFO] [stderr] Checking rawpointer v0.2.1 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Compiling im-rc v14.3.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking matrixmultiply v0.2.4 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand_pcg v0.2.1 [INFO] [stderr] Checking bitmaps v2.1.0 [INFO] [stderr] Compiling ndarray v0.13.0 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking once_cell v1.15.0 [INFO] [stderr] Checking approx v0.3.2 [INFO] [stderr] Checking thread_local v1.1.4 [INFO] [stderr] Checking aho-corasick v0.7.19 [INFO] [stderr] Checking rand_xoshiro v0.4.0 [INFO] [stderr] Checking alga v0.9.3 [INFO] [stderr] Checking sized-chunks v0.5.3 [INFO] [stderr] Checking rand_distr v0.2.2 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking generic-array v0.13.3 [INFO] [stderr] Checking regex-syntax v0.6.27 [INFO] [stderr] Checking fixedbitset v0.2.0 [INFO] [stderr] Checking petgraph v0.5.0 [INFO] [stderr] Checking itertools-num v0.1.3 [INFO] [stderr] Checking ordered-float v1.0.2 [INFO] [stderr] Checking rand_hc v0.2.0 [INFO] [stderr] Checking num v0.2.1 [INFO] [stderr] Checking nalgebra v0.20.0 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking permutohedron v0.2.4 [INFO] [stderr] Checking smallvec v1.2.0 [INFO] [stderr] Checking superslice v1.0.0 [INFO] [stderr] Checking ascii v1.0.0 [INFO] [stderr] Checking rustc-hash v1.1.0 [INFO] [stderr] Checking whiteread v0.5.0 [INFO] [stderr] Checking maplit v1.0.2 [INFO] [stderr] Checking bitset-fixed v0.1.0 [INFO] [stderr] Checking text_io v0.1.8 [INFO] [stderr] Checking regex v1.3.6 [INFO] [stderr] Compiling num-derive v0.3.0 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.3.6/src/exec.rs:836:13 [INFO] [stdout] | [INFO] [stdout] 836 | / match dfa::Fsm::reverse( [INFO] [stdout] 837 | | &self.ro.dfa_reverse, [INFO] [stdout] 838 | | self.cache.value(), [INFO] [stdout] 839 | | false, [INFO] [stdout] ... | [INFO] [stdout] 850 | | Quit => return Some(Quit), [INFO] [stdout] 851 | | }; [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" "eb47046970ca20713e1220b0d8946a12379b9bb960f9a6cfe983ab64ed03f4d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eb47046970ca20713e1220b0d8946a12379b9bb960f9a6cfe983ab64ed03f4d3", kill_on_drop: false }` [INFO] [stdout] eb47046970ca20713e1220b0d8946a12379b9bb960f9a6cfe983ab64ed03f4d3