[INFO] cloning repository https://github.com/ryanhofer/adventofcode2018 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ryanhofer/adventofcode2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanhofer%2Fadventofcode2018", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanhofer%2Fadventofcode2018'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 765d82200d38f6f2e186e466f087eeabeee20794 [INFO] checking ryanhofer/adventofcode2018 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanhofer%2Fadventofcode2018" "/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/ryanhofer/adventofcode2018 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/ryanhofer/adventofcode2018 [INFO] finished tweaking git repo https://github.com/ryanhofer/adventofcode2018 [INFO] tweaked toml for git repo https://github.com/ryanhofer/adventofcode2018 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/ryanhofer/adventofcode2018 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 ucd-util v0.1.3 [INFO] [stderr] Downloaded libc v0.2.44 [INFO] [stderr] Downloaded scan_fmt v0.1.3 [INFO] [stderr] Downloaded intrusive-collections v0.6.8 [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] b29a2a4909469acc1d79b42a1f0d30760133590290076c3233efae911ead0a04 [INFO] running `Command { std: "docker" "start" "-a" "b29a2a4909469acc1d79b42a1f0d30760133590290076c3233efae911ead0a04", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b29a2a4909469acc1d79b42a1f0d30760133590290076c3233efae911ead0a04", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b29a2a4909469acc1d79b42a1f0d30760133590290076c3233efae911ead0a04", kill_on_drop: false }` [INFO] [stdout] b29a2a4909469acc1d79b42a1f0d30760133590290076c3233efae911ead0a04 [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] 6bc8db8b62f8a45f2693f96d85907f5380ca8360f6b6b87bd3202de2e5164c89 [INFO] running `Command { std: "docker" "start" "-a" "6bc8db8b62f8a45f2693f96d85907f5380ca8360f6b6b87bd3202de2e5164c89", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.44 [INFO] [stderr] Compiling memchr v2.1.1 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Checking intrusive-collections v0.6.8 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Checking scan_fmt v0.1.3 [INFO] [stderr] Checking adventofcode2018 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/bin/day9/main.rs:17:1 [INFO] [stdout] | [INFO] [stdout] 17 | intrusive_adapter!(MarbleAdapter = Box: Marble { link: LinkedListLink }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] = note: this warning originates in the macro `offset_of_unsafe` which comes from the expansion of the macro `intrusive_adapter` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/bin/day9/main.rs:17:1 [INFO] [stdout] | [INFO] [stdout] 17 | intrusive_adapter!(MarbleAdapter = Box: Marble { link: LinkedListLink }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] = note: this warning originates in the macro `offset_of_unsafe` which comes from the expansion of the macro `intrusive_adapter` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `t` is assigned to, but never used [INFO] [stdout] --> src/bin/day13/main.rs:19:13 [INFO] [stdout] | [INFO] [stdout] 19 | let mut t = 0; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_t` instead [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `t` is assigned to, but never used [INFO] [stdout] --> src/bin/day13/main.rs:39:13 [INFO] [stdout] | [INFO] [stdout] 39 | let mut t = 0; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_t` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/day13/main.rs:101:17 [INFO] [stdout] | [INFO] [stdout] 101 | let mut cart = &mut self.carts[i]; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_pots` is never used [INFO] [stdout] --> src/bin/day12/main.rs:117:4 [INFO] [stdout] | [INFO] [stdout] 117 | fn print_pots(pots: &HashSet) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_pots` is never used [INFO] [stdout] --> src/bin/day12/main.rs:117:4 [INFO] [stdout] | [INFO] [stdout] 117 | fn print_pots(pots: &HashSet) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `t` is assigned to, but never used [INFO] [stdout] --> src/bin/day13/main.rs:19:13 [INFO] [stdout] | [INFO] [stdout] 19 | let mut t = 0; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_t` instead [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `t` is assigned to, but never used [INFO] [stdout] --> src/bin/day13/main.rs:39:13 [INFO] [stdout] | [INFO] [stdout] 39 | let mut t = 0; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_t` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/day13/main.rs:101:17 [INFO] [stdout] | [INFO] [stdout] 101 | let mut cart = &mut self.carts[i]; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.66s [INFO] running `Command { std: "docker" "inspect" "6bc8db8b62f8a45f2693f96d85907f5380ca8360f6b6b87bd3202de2e5164c89", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6bc8db8b62f8a45f2693f96d85907f5380ca8360f6b6b87bd3202de2e5164c89", kill_on_drop: false }` [INFO] [stdout] 6bc8db8b62f8a45f2693f96d85907f5380ca8360f6b6b87bd3202de2e5164c89 [INFO] checking ryanhofer/adventofcode2018 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanhofer%2Fadventofcode2018" "/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/ryanhofer/adventofcode2018 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/ryanhofer/adventofcode2018 [INFO] finished tweaking git repo https://github.com/ryanhofer/adventofcode2018 [INFO] tweaked toml for git repo https://github.com/ryanhofer/adventofcode2018 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/ryanhofer/adventofcode2018 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] 28ed953cb879b2ea257573da6112c3bf9635090f9bd3cdb4b8b18146edcc682d [INFO] running `Command { std: "docker" "start" "-a" "28ed953cb879b2ea257573da6112c3bf9635090f9bd3cdb4b8b18146edcc682d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "28ed953cb879b2ea257573da6112c3bf9635090f9bd3cdb4b8b18146edcc682d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "28ed953cb879b2ea257573da6112c3bf9635090f9bd3cdb4b8b18146edcc682d", kill_on_drop: false }` [INFO] [stdout] 28ed953cb879b2ea257573da6112c3bf9635090f9bd3cdb4b8b18146edcc682d [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] 35032c072d053354acdfaa86083b4576478e5f0491c4c2e3de2df9b3678dce30 [INFO] running `Command { std: "docker" "start" "-a" "35032c072d053354acdfaa86083b4576478e5f0491c4c2e3de2df9b3678dce30", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling libc v0.2.44 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Checking intrusive-collections v0.6.8 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Compiling memchr v2.1.1 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-0.2.11/src/exec.rs:756:13 [INFO] [stdout] | [INFO] [stdout] 756 | / match dfa::Fsm::reverse( [INFO] [stdout] 757 | | &self.ro.dfa_reverse, [INFO] [stdout] 758 | | self.cache, [INFO] [stdout] 759 | | false, [INFO] [stdout] ... | [INFO] [stdout] 766 | | Quit => return Some(Quit), [INFO] [stdout] 767 | | }; [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" "35032c072d053354acdfaa86083b4576478e5f0491c4c2e3de2df9b3678dce30", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "35032c072d053354acdfaa86083b4576478e5f0491c4c2e3de2df9b3678dce30", kill_on_drop: false }` [INFO] [stdout] 35032c072d053354acdfaa86083b4576478e5f0491c4c2e3de2df9b3678dce30