[INFO] cloning repository https://github.com/codinguncut/adventofcode_2017 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/codinguncut/adventofcode_2017" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodinguncut%2Fadventofcode_2017", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodinguncut%2Fadventofcode_2017'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c0128d2ad8d8979490f025ed6ba78b6a0641d032 [INFO] checking codinguncut/adventofcode_2017 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodinguncut%2Fadventofcode_2017" "/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/codinguncut/adventofcode_2017 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/codinguncut/adventofcode_2017 [INFO] finished tweaking git repo https://github.com/codinguncut/adventofcode_2017 [INFO] tweaked toml for git repo https://github.com/codinguncut/adventofcode_2017 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/codinguncut/adventofcode_2017 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] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded unreachable v1.0.0 [INFO] [stderr] Downloaded regex v0.2.3 [INFO] [stderr] Downloaded either v1.4.0 [INFO] [stderr] Downloaded lazy_static v1.0.0 [INFO] [stderr] Downloaded aho-corasick v0.6.4 [INFO] [stderr] Downloaded libc v0.2.34 [INFO] [stderr] Downloaded memchr v2.0.1 [INFO] [stderr] Downloaded regex-syntax v0.4.1 [INFO] [stderr] Downloaded lazy_static v0.2.11 [INFO] [stderr] Downloaded thread_local v0.3.4 [INFO] [stderr] Downloaded utf8-ranges v1.0.0 [INFO] [stderr] Downloaded itertools v0.7.4 [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] 43b28f730a60880f36b2625465254a78dd9eb67903f834eb11d212c2ecd6a249 [INFO] running `Command { std: "docker" "start" "-a" "43b28f730a60880f36b2625465254a78dd9eb67903f834eb11d212c2ecd6a249", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "43b28f730a60880f36b2625465254a78dd9eb67903f834eb11d212c2ecd6a249", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "43b28f730a60880f36b2625465254a78dd9eb67903f834eb11d212c2ecd6a249", kill_on_drop: false }` [INFO] [stdout] 43b28f730a60880f36b2625465254a78dd9eb67903f834eb11d212c2ecd6a249 [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] 2f7ed23739851c47e1a264bd44d04c5f6c281f4c72b97d75bdf75bb8f62c68b0 [INFO] running `Command { std: "docker" "start" "-a" "2f7ed23739851c47e1a264bd44d04c5f6c281f4c72b97d75bdf75bb8f62c68b0", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.34 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking utf8-ranges v1.0.0 [INFO] [stderr] Checking regex-syntax v0.4.1 [INFO] [stderr] Checking either v1.4.0 [INFO] [stderr] Checking lazy_static v1.0.0 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking itertools v0.7.4 [INFO] [stderr] Checking thread_local v0.3.4 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Checking aho-corasick v0.6.4 [INFO] [stderr] Checking regex v0.2.3 [INFO] [stderr] Checking rust_first v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `std` is imported redundantly [INFO] [stdout] --> src/day2.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std; [INFO] [stdout] | ^^^ the item `std` is already imported by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `std` is imported redundantly [INFO] [stdout] --> src/day2.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std; [INFO] [stdout] | ^^^ the item `std` is already imported by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred [INFO] [stdout] --> src/day7.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | / lazy_static! { [INFO] [stdout] 18 | | static ref RE: Regex = Regex::new( [INFO] [stdout] 19 | | r"(?P\w+) \((?P\d+)\)(?: -> (?P[\w, ]+))?").unwrap(); [INFO] [stdout] 20 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred [INFO] [stdout] --> src/day7.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | / lazy_static! { [INFO] [stdout] 18 | | static ref RE: Regex = Regex::new( [INFO] [stdout] 19 | | r"(?P\w+) \((?P\d+)\)(?: -> (?P[\w, ]+))?").unwrap(); [INFO] [stdout] 20 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/day5.rs:27:37 [INFO] [stdout] | [INFO] [stdout] 27 | fn step(state: &mut State, update: &Fn(i32) -> i32) -> Result { [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] 27 | fn step(state: &mut State, update: &dyn Fn(i32) -> i32) -> Result { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/day5.rs:27:37 [INFO] [stdout] | [INFO] [stdout] 27 | fn step(state: &mut State, update: &Fn(i32) -> i32) -> Result { [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] 27 | fn step(state: &mut State, update: &dyn Fn(i32) -> i32) -> Result { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.74s [INFO] running `Command { std: "docker" "inspect" "2f7ed23739851c47e1a264bd44d04c5f6c281f4c72b97d75bdf75bb8f62c68b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2f7ed23739851c47e1a264bd44d04c5f6c281f4c72b97d75bdf75bb8f62c68b0", kill_on_drop: false }` [INFO] [stdout] 2f7ed23739851c47e1a264bd44d04c5f6c281f4c72b97d75bdf75bb8f62c68b0 [INFO] checking codinguncut/adventofcode_2017 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodinguncut%2Fadventofcode_2017" "/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/codinguncut/adventofcode_2017 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/codinguncut/adventofcode_2017 [INFO] finished tweaking git repo https://github.com/codinguncut/adventofcode_2017 [INFO] tweaked toml for git repo https://github.com/codinguncut/adventofcode_2017 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/codinguncut/adventofcode_2017 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] af97eecdc7316ae9b7a46bea956227a17a7296731cac9b0ecf0f6b6fe8b25dd3 [INFO] running `Command { std: "docker" "start" "-a" "af97eecdc7316ae9b7a46bea956227a17a7296731cac9b0ecf0f6b6fe8b25dd3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "af97eecdc7316ae9b7a46bea956227a17a7296731cac9b0ecf0f6b6fe8b25dd3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "af97eecdc7316ae9b7a46bea956227a17a7296731cac9b0ecf0f6b6fe8b25dd3", kill_on_drop: false }` [INFO] [stdout] af97eecdc7316ae9b7a46bea956227a17a7296731cac9b0ecf0f6b6fe8b25dd3 [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] 5aea77e116e1589a97c7bd65d80d8264f7132172972cf2b22c506684c98849ad [INFO] running `Command { std: "docker" "start" "-a" "5aea77e116e1589a97c7bd65d80d8264f7132172972cf2b22c506684c98849ad", kill_on_drop: false }` [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking libc v0.2.34 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking either v1.4.0 [INFO] [stderr] Checking regex-syntax v0.4.1 [INFO] [stderr] Checking utf8-ranges v1.0.0 [INFO] [stderr] Checking lazy_static v1.0.0 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking itertools v0.7.4 [INFO] [stderr] Checking thread_local v0.3.4 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Checking aho-corasick v0.6.4 [INFO] [stderr] Checking regex v0.2.3 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-0.2.3/src/exec.rs:738:13 [INFO] [stdout] | [INFO] [stdout] 738 | / match dfa::Fsm::reverse( [INFO] [stdout] 739 | | &self.ro.dfa_reverse, [INFO] [stdout] 740 | | self.cache, [INFO] [stdout] 741 | | false, [INFO] [stdout] ... | [INFO] [stdout] 748 | | Quit => return Some(Quit), [INFO] [stdout] 749 | | }; [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" "5aea77e116e1589a97c7bd65d80d8264f7132172972cf2b22c506684c98849ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5aea77e116e1589a97c7bd65d80d8264f7132172972cf2b22c506684c98849ad", kill_on_drop: false }` [INFO] [stdout] 5aea77e116e1589a97c7bd65d80d8264f7132172972cf2b22c506684c98849ad