[INFO] cloning repository https://github.com/mdgaziur/ferx [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mdgaziur/ferx" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdgaziur%2Fferx", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdgaziur%2Fferx'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3093de47598d643b883f8cd16c3d44fb17609cd9 [INFO] checking mdgaziur/ferx against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdgaziur%2Fferx" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mdgaziur/ferx 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/mdgaziur/ferx [INFO] finished tweaking git repo https://github.com/mdgaziur/ferx [INFO] tweaked toml for git repo https://github.com/mdgaziur/ferx written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/mdgaziur/ferx 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] Downloading crates ... [INFO] [stderr] Downloaded nix v0.22.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 9109fbe7f6d6370911be0fcd9a56662b9aaab7b3b1b61d400f1bb219820b2659 [INFO] running `Command { std: "docker" "start" "-a" "9109fbe7f6d6370911be0fcd9a56662b9aaab7b3b1b61d400f1bb219820b2659", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9109fbe7f6d6370911be0fcd9a56662b9aaab7b3b1b61d400f1bb219820b2659", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9109fbe7f6d6370911be0fcd9a56662b9aaab7b3b1b61d400f1bb219820b2659", kill_on_drop: false }` [INFO] [stdout] 9109fbe7f6d6370911be0fcd9a56662b9aaab7b3b1b61d400f1bb219820b2659 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 138b6aae69aa1a062e4e7defc4464a0970e4ab28c8e1c75a9c2dd01a12e8aeb0 [INFO] running `Command { std: "docker" "start" "-a" "138b6aae69aa1a062e4e7defc4464a0970e4ab28c8e1c75a9c2dd01a12e8aeb0", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.101 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling ferx v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking regex v1.5.5 [INFO] [stderr] Compiling x11 v2.18.2 [INFO] [stderr] Checking nix v0.22.2 [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.58s [INFO] running `Command { std: "docker" "inspect" "138b6aae69aa1a062e4e7defc4464a0970e4ab28c8e1c75a9c2dd01a12e8aeb0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "138b6aae69aa1a062e4e7defc4464a0970e4ab28c8e1c75a9c2dd01a12e8aeb0", kill_on_drop: false }` [INFO] [stdout] 138b6aae69aa1a062e4e7defc4464a0970e4ab28c8e1c75a9c2dd01a12e8aeb0 [INFO] checking mdgaziur/ferx against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdgaziur%2Fferx" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mdgaziur/ferx 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/mdgaziur/ferx [INFO] finished tweaking git repo https://github.com/mdgaziur/ferx [INFO] tweaked toml for git repo https://github.com/mdgaziur/ferx written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/mdgaziur/ferx 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 587ae3254f8e42791f5bcc3c13773c7f287c8173f2ad1d0fec08e63a343d4cc9 [INFO] running `Command { std: "docker" "start" "-a" "587ae3254f8e42791f5bcc3c13773c7f287c8173f2ad1d0fec08e63a343d4cc9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "587ae3254f8e42791f5bcc3c13773c7f287c8173f2ad1d0fec08e63a343d4cc9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "587ae3254f8e42791f5bcc3c13773c7f287c8173f2ad1d0fec08e63a343d4cc9", kill_on_drop: false }` [INFO] [stdout] 587ae3254f8e42791f5bcc3c13773c7f287c8173f2ad1d0fec08e63a343d4cc9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 209b69e93a35b30e6e11d15a0232e270906173fa6bc7180db212dfdb72aa1fd9 [INFO] running `Command { std: "docker" "start" "-a" "209b69e93a35b30e6e11d15a0232e270906173fa6bc7180db212dfdb72aa1fd9", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.101 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling ferx v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Checking regex v1.5.5 [INFO] [stderr] Compiling x11 v2.18.2 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.5.5/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" "209b69e93a35b30e6e11d15a0232e270906173fa6bc7180db212dfdb72aa1fd9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "209b69e93a35b30e6e11d15a0232e270906173fa6bc7180db212dfdb72aa1fd9", kill_on_drop: false }` [INFO] [stdout] 209b69e93a35b30e6e11d15a0232e270906173fa6bc7180db212dfdb72aa1fd9