[INFO] cloning repository https://github.com/Virviil/aoc2018 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Virviil/aoc2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVirviil%2Faoc2018", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVirviil%2Faoc2018'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 163df879899b9fab98482d66750c9a8897125a2b [INFO] checking Virviil/aoc2018 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVirviil%2Faoc2018" "/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/Virviil/aoc2018 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/Virviil/aoc2018 [INFO] finished tweaking git repo https://github.com/Virviil/aoc2018 [INFO] tweaked toml for git repo https://github.com/Virviil/aoc2018 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Virviil/aoc2018 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] 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] ce1a2fb76e578f4375691e62af3391184749a68afa6d5aea0cfb2ae17d783c10 [INFO] running `Command { std: "docker" "start" "-a" "ce1a2fb76e578f4375691e62af3391184749a68afa6d5aea0cfb2ae17d783c10", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ce1a2fb76e578f4375691e62af3391184749a68afa6d5aea0cfb2ae17d783c10", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ce1a2fb76e578f4375691e62af3391184749a68afa6d5aea0cfb2ae17d783c10", kill_on_drop: false }` [INFO] [stdout] ce1a2fb76e578f4375691e62af3391184749a68afa6d5aea0cfb2ae17d783c10 [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] cf76adc7e00941a17a4114662a9c1389d2b9edfb628c8db41c3bb760148a43ca [INFO] running `Command { std: "docker" "start" "-a" "cf76adc7e00941a17a4114662a9c1389d2b9edfb628c8db41c3bb760148a43ca", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.44 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Compiling memchr v2.1.1 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking textwrap v0.10.0 [INFO] [stderr] Checking regex-syntax v0.6.4 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking time v0.1.40 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Checking chrono v0.4.6 [INFO] [stderr] Checking advent v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/guards/state.rs:25:32 [INFO] [stdout] | [INFO] [stdout] 25 | fn cause(&self) -> Option<&error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 25 | fn cause(&self) -> Option<&dyn error::Error> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/guards/entry.rs:19:32 [INFO] [stdout] | [INFO] [stdout] 19 | fn cause(&self) -> Option<&error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 19 | fn cause(&self) -> Option<&dyn error::Error> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/guards/state.rs:25:32 [INFO] [stdout] | [INFO] [stdout] 25 | fn cause(&self) -> Option<&error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 25 | fn cause(&self) -> Option<&dyn error::Error> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/guards/entry.rs:19:32 [INFO] [stdout] | [INFO] [stdout] 19 | fn cause(&self) -> Option<&error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 19 | fn cause(&self) -> Option<&dyn error::Error> { [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 1.63s [INFO] running `Command { std: "docker" "inspect" "cf76adc7e00941a17a4114662a9c1389d2b9edfb628c8db41c3bb760148a43ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cf76adc7e00941a17a4114662a9c1389d2b9edfb628c8db41c3bb760148a43ca", kill_on_drop: false }` [INFO] [stdout] cf76adc7e00941a17a4114662a9c1389d2b9edfb628c8db41c3bb760148a43ca [INFO] checking Virviil/aoc2018 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVirviil%2Faoc2018" "/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/Virviil/aoc2018 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/Virviil/aoc2018 [INFO] finished tweaking git repo https://github.com/Virviil/aoc2018 [INFO] tweaked toml for git repo https://github.com/Virviil/aoc2018 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Virviil/aoc2018 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] cc3154d767848dda8250514e0a75c4808726230269ff56718b7f6a60a2177911 [INFO] running `Command { std: "docker" "start" "-a" "cc3154d767848dda8250514e0a75c4808726230269ff56718b7f6a60a2177911", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cc3154d767848dda8250514e0a75c4808726230269ff56718b7f6a60a2177911", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cc3154d767848dda8250514e0a75c4808726230269ff56718b7f6a60a2177911", kill_on_drop: false }` [INFO] [stdout] cc3154d767848dda8250514e0a75c4808726230269ff56718b7f6a60a2177911 [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] e68381949bf0bbabfa7515b0a9959bfd44f111c3b938550c084f64d2dcbf2737 [INFO] running `Command { std: "docker" "start" "-a" "e68381949bf0bbabfa7515b0a9959bfd44f111c3b938550c084f64d2dcbf2737", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.44 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Compiling memchr v2.1.1 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking textwrap v0.10.0 [INFO] [stderr] Checking regex-syntax v0.6.4 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking time v0.1.40 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Checking chrono v0.4.6 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.1.0/src/exec.rs:754:13 [INFO] [stdout] | [INFO] [stdout] 754 | / match dfa::Fsm::reverse( [INFO] [stdout] 755 | | &self.ro.dfa_reverse, [INFO] [stdout] 756 | | self.cache, [INFO] [stdout] 757 | | false, [INFO] [stdout] ... | [INFO] [stdout] 764 | | Quit => return Some(Quit), [INFO] [stdout] 765 | | }; [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" "e68381949bf0bbabfa7515b0a9959bfd44f111c3b938550c084f64d2dcbf2737", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e68381949bf0bbabfa7515b0a9959bfd44f111c3b938550c084f64d2dcbf2737", kill_on_drop: false }` [INFO] [stdout] e68381949bf0bbabfa7515b0a9959bfd44f111c3b938550c084f64d2dcbf2737