[INFO] cloning repository https://github.com/geekingfrog/advent-of-code-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/geekingfrog/advent-of-code-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgeekingfrog%2Fadvent-of-code-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgeekingfrog%2Fadvent-of-code-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3c2d9be22d24c3c1eb34c7ffa679f2c374837090 [INFO] checking geekingfrog/advent-of-code-rust against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgeekingfrog%2Fadvent-of-code-rust" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/geekingfrog/advent-of-code-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/geekingfrog/advent-of-code-rust [INFO] finished tweaking git repo https://github.com/geekingfrog/advent-of-code-rust [INFO] tweaked toml for git repo https://github.com/geekingfrog/advent-of-code-rust written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/geekingfrog/advent-of-code-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] Downloading crates ... [INFO] [stderr] Downloaded redox_syscall v0.1.43 [INFO] [stderr] Downloaded libc v0.2.44 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 00128b3836653dbee9d1087c31d47e7d4f1b9607d0dc26d47f7d7ad5ff95aad6 [INFO] running `Command { std: "docker" "start" "-a" "00128b3836653dbee9d1087c31d47e7d4f1b9607d0dc26d47f7d7ad5ff95aad6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "00128b3836653dbee9d1087c31d47e7d4f1b9607d0dc26d47f7d7ad5ff95aad6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "00128b3836653dbee9d1087c31d47e7d4f1b9607d0dc26d47f7d7ad5ff95aad6", kill_on_drop: false }` [INFO] [stdout] 00128b3836653dbee9d1087c31d47e7d4f1b9607d0dc26d47f7d7ad5ff95aad6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] b72ea25bbbc20f9c19536214e98e90589dd152c337810023f68ab64102939f90 [INFO] running `Command { std: "docker" "start" "-a" "b72ea25bbbc20f9c19536214e98e90589dd152c337810023f68ab64102939f90", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.44 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking regex-syntax v0.6.12 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking regex v1.3.1 [INFO] [stderr] Checking aoc-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `code` is never read [INFO] [stdout] --> src/y2019/computer.rs:16:19 [INFO] [stdout] | [INFO] [stdout] 16 | UnknownCode { code: i64 }, [INFO] [stdout] | ----------- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/y2019/day08.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 35 | / format!( [INFO] [stdout] 36 | | "incomplete layer ({}, {}) with {} total pixels", [INFO] [stdout] 37 | | width, [INFO] [stdout] 38 | | height, [INFO] [stdout] 39 | | pixels.len() [INFO] [stdout] 40 | | ) [INFO] [stdout] | |_________^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 35 ~ [INFO] [stdout] 36 | "incomplete layer ({}, {}) with {} total pixels", [INFO] [stdout] ... [INFO] [stdout] 39 | pixels.len() [INFO] [stdout] 40 ~ [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/y2019/day08.rs:73:9 [INFO] [stdout] | [INFO] [stdout] 73 | / format!( [INFO] [stdout] 74 | | "incomplete layer ({}, {}) with {} total pixels", [INFO] [stdout] 75 | | width, [INFO] [stdout] 76 | | height, [INFO] [stdout] 77 | | pixels.len() [INFO] [stdout] 78 | | ) [INFO] [stdout] | |_________^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 73 ~ [INFO] [stdout] 74 | "incomplete layer ({}, {}) with {} total pixels", [INFO] [stdout] ... [INFO] [stdout] 77 | pixels.len() [INFO] [stdout] 78 ~ [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `code` is never read [INFO] [stdout] --> src/y2019/computer.rs:16:19 [INFO] [stdout] | [INFO] [stdout] 16 | UnknownCode { code: i64 }, [INFO] [stdout] | ----------- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/y2019/day08.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 35 | / format!( [INFO] [stdout] 36 | | "incomplete layer ({}, {}) with {} total pixels", [INFO] [stdout] 37 | | width, [INFO] [stdout] 38 | | height, [INFO] [stdout] 39 | | pixels.len() [INFO] [stdout] 40 | | ) [INFO] [stdout] | |_________^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 35 ~ [INFO] [stdout] 36 | "incomplete layer ({}, {}) with {} total pixels", [INFO] [stdout] ... [INFO] [stdout] 39 | pixels.len() [INFO] [stdout] 40 ~ [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/y2019/day08.rs:73:9 [INFO] [stdout] | [INFO] [stdout] 73 | / format!( [INFO] [stdout] 74 | | "incomplete layer ({}, {}) with {} total pixels", [INFO] [stdout] 75 | | width, [INFO] [stdout] 76 | | height, [INFO] [stdout] 77 | | pixels.len() [INFO] [stdout] 78 | | ) [INFO] [stdout] | |_________^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 73 ~ [INFO] [stdout] 74 | "incomplete layer ({}, {}) with {} total pixels", [INFO] [stdout] ... [INFO] [stdout] 77 | pixels.len() [INFO] [stdout] 78 ~ [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.18s [INFO] running `Command { std: "docker" "inspect" "b72ea25bbbc20f9c19536214e98e90589dd152c337810023f68ab64102939f90", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b72ea25bbbc20f9c19536214e98e90589dd152c337810023f68ab64102939f90", kill_on_drop: false }` [INFO] [stdout] b72ea25bbbc20f9c19536214e98e90589dd152c337810023f68ab64102939f90 [INFO] checking geekingfrog/advent-of-code-rust against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgeekingfrog%2Fadvent-of-code-rust" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/geekingfrog/advent-of-code-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/geekingfrog/advent-of-code-rust [INFO] finished tweaking git repo https://github.com/geekingfrog/advent-of-code-rust [INFO] tweaked toml for git repo https://github.com/geekingfrog/advent-of-code-rust written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/geekingfrog/advent-of-code-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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 0e895ae924509fe3ae6b9d52d9dade9cdada8199bcc34409b3d614c51c514541 [INFO] running `Command { std: "docker" "start" "-a" "0e895ae924509fe3ae6b9d52d9dade9cdada8199bcc34409b3d614c51c514541", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0e895ae924509fe3ae6b9d52d9dade9cdada8199bcc34409b3d614c51c514541", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0e895ae924509fe3ae6b9d52d9dade9cdada8199bcc34409b3d614c51c514541", kill_on_drop: false }` [INFO] [stdout] 0e895ae924509fe3ae6b9d52d9dade9cdada8199bcc34409b3d614c51c514541 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ebd9baa1b41d24ed5f7d7a9954d563dc82a7d06c361424b1906f178e6a3ee33c [INFO] running `Command { std: "docker" "start" "-a" "ebd9baa1b41d24ed5f7d7a9954d563dc82a7d06c361424b1906f178e6a3ee33c", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling libc v0.2.44 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking regex-syntax v0.6.12 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking regex v1.3.1 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.3.1/src/exec.rs:838:13 [INFO] [stdout] | [INFO] [stdout] 838 | / match dfa::Fsm::reverse( [INFO] [stdout] 839 | | &self.ro.dfa_reverse, [INFO] [stdout] 840 | | self.cache.value(), [INFO] [stdout] 841 | | false, [INFO] [stdout] ... | [INFO] [stdout] 852 | | Quit => return Some(Quit), [INFO] [stdout] 853 | | }; [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" "ebd9baa1b41d24ed5f7d7a9954d563dc82a7d06c361424b1906f178e6a3ee33c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ebd9baa1b41d24ed5f7d7a9954d563dc82a7d06c361424b1906f178e6a3ee33c", kill_on_drop: false }` [INFO] [stdout] ebd9baa1b41d24ed5f7d7a9954d563dc82a7d06c361424b1906f178e6a3ee33c