[INFO] cloning repository https://github.com/Telcoltar/AdventOfCodeDay24-Rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Telcoltar/AdventOfCodeDay24-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTelcoltar%2FAdventOfCodeDay24-Rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTelcoltar%2FAdventOfCodeDay24-Rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] bbe1d70b709db540d98d5f3b1a5e79efdce1cf2a [INFO] checking Telcoltar/AdventOfCodeDay24-Rust against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTelcoltar%2FAdventOfCodeDay24-Rust" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Telcoltar/AdventOfCodeDay24-Rust 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/Telcoltar/AdventOfCodeDay24-Rust [INFO] finished tweaking git repo https://github.com/Telcoltar/AdventOfCodeDay24-Rust [INFO] tweaked toml for git repo https://github.com/Telcoltar/AdventOfCodeDay24-Rust written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Telcoltar/AdventOfCodeDay24-Rust 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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] c87f6afb47ad47ed983b6c2df23b996a052bebcd5ef42542186627661903417e [INFO] running `Command { std: "docker" "start" "-a" "c87f6afb47ad47ed983b6c2df23b996a052bebcd5ef42542186627661903417e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c87f6afb47ad47ed983b6c2df23b996a052bebcd5ef42542186627661903417e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c87f6afb47ad47ed983b6c2df23b996a052bebcd5ef42542186627661903417e", kill_on_drop: false }` [INFO] [stdout] c87f6afb47ad47ed983b6c2df23b996a052bebcd5ef42542186627661903417e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] d028ca38daf406470cf007ce4227561ce3993d73f9724e735abf783ad22742ec [INFO] running `Command { std: "docker" "start" "-a" "d028ca38daf406470cf007ce4227561ce3993d73f9724e735abf783ad22742ec", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Checking regex-syntax v0.6.21 [INFO] [stderr] Checking humantime v2.0.1 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stderr] Checking env_logger v0.8.2 [INFO] [stderr] Checking advent_of_code_day_24 v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.74s [INFO] running `Command { std: "docker" "inspect" "d028ca38daf406470cf007ce4227561ce3993d73f9724e735abf783ad22742ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d028ca38daf406470cf007ce4227561ce3993d73f9724e735abf783ad22742ec", kill_on_drop: false }` [INFO] [stdout] d028ca38daf406470cf007ce4227561ce3993d73f9724e735abf783ad22742ec [INFO] checking Telcoltar/AdventOfCodeDay24-Rust against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTelcoltar%2FAdventOfCodeDay24-Rust" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Telcoltar/AdventOfCodeDay24-Rust 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/Telcoltar/AdventOfCodeDay24-Rust [INFO] finished tweaking git repo https://github.com/Telcoltar/AdventOfCodeDay24-Rust [INFO] tweaked toml for git repo https://github.com/Telcoltar/AdventOfCodeDay24-Rust written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Telcoltar/AdventOfCodeDay24-Rust 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f9d1d8fb2bcc94f828f2b611278e6952e6454023cafc28b411abf563e6dccfd1 [INFO] running `Command { std: "docker" "start" "-a" "f9d1d8fb2bcc94f828f2b611278e6952e6454023cafc28b411abf563e6dccfd1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f9d1d8fb2bcc94f828f2b611278e6952e6454023cafc28b411abf563e6dccfd1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f9d1d8fb2bcc94f828f2b611278e6952e6454023cafc28b411abf563e6dccfd1", kill_on_drop: false }` [INFO] [stdout] f9d1d8fb2bcc94f828f2b611278e6952e6454023cafc28b411abf563e6dccfd1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 693d1ec999640ce1d9c725bf1f5993d7f9cece365ce140ce3f42d0bfa621bac2 [INFO] running `Command { std: "docker" "start" "-a" "693d1ec999640ce1d9c725bf1f5993d7f9cece365ce140ce3f42d0bfa621bac2", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Checking regex-syntax v0.6.21 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking humantime v2.0.1 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.4.2/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] running `Command { std: "docker" "inspect" "693d1ec999640ce1d9c725bf1f5993d7f9cece365ce140ce3f42d0bfa621bac2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "693d1ec999640ce1d9c725bf1f5993d7f9cece365ce140ce3f42d0bfa621bac2", kill_on_drop: false }` [INFO] [stdout] 693d1ec999640ce1d9c725bf1f5993d7f9cece365ce140ce3f42d0bfa621bac2