[INFO] cloning repository https://github.com/IlyaGulya/AdventOfCode-Rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/IlyaGulya/AdventOfCode-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIlyaGulya%2FAdventOfCode-Rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIlyaGulya%2FAdventOfCode-Rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ca2b1bcb7e8764d5fb3d9951c4ceb7e8e856813e [INFO] checking IlyaGulya/AdventOfCode-Rust against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIlyaGulya%2FAdventOfCode-Rust" "/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/IlyaGulya/AdventOfCode-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/IlyaGulya/AdventOfCode-Rust [INFO] finished tweaking git repo https://github.com/IlyaGulya/AdventOfCode-Rust [INFO] tweaked toml for git repo https://github.com/IlyaGulya/AdventOfCode-Rust written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/IlyaGulya/AdventOfCode-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] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded array2d v0.3.0 [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] 85c44f4dea8e7d2caecf9cd6174d16b3d1d4dc1021d6d95dd8d84171317408d3 [INFO] running `Command { std: "docker" "start" "-a" "85c44f4dea8e7d2caecf9cd6174d16b3d1d4dc1021d6d95dd8d84171317408d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "85c44f4dea8e7d2caecf9cd6174d16b3d1d4dc1021d6d95dd8d84171317408d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "85c44f4dea8e7d2caecf9cd6174d16b3d1d4dc1021d6d95dd8d84171317408d3", kill_on_drop: false }` [INFO] [stdout] 85c44f4dea8e7d2caecf9cd6174d16b3d1d4dc1021d6d95dd8d84171317408d3 [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] ff002309a8c3f3635270f099d329bb67ef38fdc6435d0d1f5fcfd57d3e592ec8 [INFO] running `Command { std: "docker" "start" "-a" "ff002309a8c3f3635270f099d329bb67ef38fdc6435d0d1f5fcfd57d3e592ec8", kill_on_drop: false }` [INFO] [stderr] Checking aho-corasick v0.7.20 [INFO] [stderr] Checking either v1.8.1 [INFO] [stderr] Checking regex-syntax v0.6.28 [INFO] [stderr] Checking array2d v0.3.0 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking regex v1.7.1 [INFO] [stderr] Checking AdventOfCode v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/day2/mv.rs:11:24 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct UnknownMove(String); [INFO] [stdout] | ----------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `UnknownMove` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 11 | pub struct UnknownMove(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/day2/mv.rs:11:24 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct UnknownMove(String); [INFO] [stdout] | ----------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `UnknownMove` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 11 | pub struct UnknownMove(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/day2/result.rs:10:28 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct UnknownStrategy(String); [INFO] [stdout] | --------------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `UnknownStrategy` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 10 | pub struct UnknownStrategy(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/day2/result.rs:10:28 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct UnknownStrategy(String); [INFO] [stdout] | --------------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `UnknownStrategy` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 10 | pub struct UnknownStrategy(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.52s [INFO] running `Command { std: "docker" "inspect" "ff002309a8c3f3635270f099d329bb67ef38fdc6435d0d1f5fcfd57d3e592ec8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff002309a8c3f3635270f099d329bb67ef38fdc6435d0d1f5fcfd57d3e592ec8", kill_on_drop: false }` [INFO] [stdout] ff002309a8c3f3635270f099d329bb67ef38fdc6435d0d1f5fcfd57d3e592ec8 [INFO] checking IlyaGulya/AdventOfCode-Rust against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIlyaGulya%2FAdventOfCode-Rust" "/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/IlyaGulya/AdventOfCode-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/IlyaGulya/AdventOfCode-Rust [INFO] finished tweaking git repo https://github.com/IlyaGulya/AdventOfCode-Rust [INFO] tweaked toml for git repo https://github.com/IlyaGulya/AdventOfCode-Rust written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/IlyaGulya/AdventOfCode-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-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] 97b95f63660f5b11ef6778ed82352fe3054bc85381bb831f738eb826f96e09a2 [INFO] running `Command { std: "docker" "start" "-a" "97b95f63660f5b11ef6778ed82352fe3054bc85381bb831f738eb826f96e09a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "97b95f63660f5b11ef6778ed82352fe3054bc85381bb831f738eb826f96e09a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "97b95f63660f5b11ef6778ed82352fe3054bc85381bb831f738eb826f96e09a2", kill_on_drop: false }` [INFO] [stdout] 97b95f63660f5b11ef6778ed82352fe3054bc85381bb831f738eb826f96e09a2 [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] abb71d3f7ea311f1e760b026fa6598cc9d34cd2c3ba72b1473b1ee89df2d831d [INFO] running `Command { std: "docker" "start" "-a" "abb71d3f7ea311f1e760b026fa6598cc9d34cd2c3ba72b1473b1ee89df2d831d", kill_on_drop: false }` [INFO] [stderr] Checking regex-syntax v0.6.28 [INFO] [stderr] Checking either v1.8.1 [INFO] [stderr] Checking array2d v0.3.0 [INFO] [stderr] Checking aho-corasick v0.7.20 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking regex v1.7.1 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.7.1/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] running `Command { std: "docker" "inspect" "abb71d3f7ea311f1e760b026fa6598cc9d34cd2c3ba72b1473b1ee89df2d831d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "abb71d3f7ea311f1e760b026fa6598cc9d34cd2c3ba72b1473b1ee89df2d831d", kill_on_drop: false }` [INFO] [stdout] abb71d3f7ea311f1e760b026fa6598cc9d34cd2c3ba72b1473b1ee89df2d831d