[INFO] cloning repository https://github.com/Mallig/advent-of-code-2020 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Mallig/advent-of-code-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMallig%2Fadvent-of-code-2020", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMallig%2Fadvent-of-code-2020'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 27889bb9ca6c8080172bef594543c49e52fc524c [INFO] checking Mallig/advent-of-code-2020 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMallig%2Fadvent-of-code-2020" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Mallig/advent-of-code-2020 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/Mallig/advent-of-code-2020 [INFO] finished tweaking git repo https://github.com/Mallig/advent-of-code-2020 [INFO] tweaked toml for git repo https://github.com/Mallig/advent-of-code-2020 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Mallig/advent-of-code-2020 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] b1380d0cf62e4f04b318c07c89992f2899837f7e1af93300843b27e6c23a3830 [INFO] running `Command { std: "docker" "start" "-a" "b1380d0cf62e4f04b318c07c89992f2899837f7e1af93300843b27e6c23a3830", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b1380d0cf62e4f04b318c07c89992f2899837f7e1af93300843b27e6c23a3830", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b1380d0cf62e4f04b318c07c89992f2899837f7e1af93300843b27e6c23a3830", kill_on_drop: false }` [INFO] [stdout] b1380d0cf62e4f04b318c07c89992f2899837f7e1af93300843b27e6c23a3830 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] c8adc811656eb2afff9708adfcd62f53afbf7d26176c1f725864b1cced3d6581 [INFO] running `Command { std: "docker" "start" "-a" "c8adc811656eb2afff9708adfcd62f53afbf7d26176c1f725864b1cced3d6581", kill_on_drop: false }` [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking regex-syntax v0.6.21 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stderr] Checking advent_of_code_2020 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function `day_1` is never used [INFO] [stdout] --> src/input_formatter.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn day_1() -> Vec { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `day_2` is never used [INFO] [stdout] --> src/input_formatter.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn day_2() -> Vec> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `day_3` is never used [INFO] [stdout] --> src/input_formatter.rs:34:8 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn day_3() -> Vec { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `day_4` is never used [INFO] [stdout] --> src/input_formatter.rs:41:8 [INFO] [stdout] | [INFO] [stdout] 41 | pub fn day_4() -> Vec { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `solve` is never used [INFO] [stdout] --> src/day_1.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn solve(numbers: Vec) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `solve` is never used [INFO] [stdout] --> src/day_2.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 2 | pub fn solve(passwords: Vec>) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `solve` is never used [INFO] [stdout] --> src/day_3.rs:2:9 [INFO] [stdout] | [INFO] [stdout] 2 | pub fn solve(trees: Vec) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `solve` is never used [INFO] [stdout] --> src/day_4.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn solve(documents: Vec) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_value` is never used [INFO] [stdout] --> src/day_4.rs:47:4 [INFO] [stdout] | [INFO] [stdout] 47 | fn get_value(doc: String, code: String) -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `missing_value` is never used [INFO] [stdout] --> src/day_4.rs:56:4 [INFO] [stdout] | [INFO] [stdout] 56 | fn missing_value(doc: &Document) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `validate_doc` is never used [INFO] [stdout] --> src/day_4.rs:72:4 [INFO] [stdout] | [INFO] [stdout] 72 | fn validate_doc(doc: Document) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `validate_height` is never used [INFO] [stdout] --> src/day_4.rs:101:4 [INFO] [stdout] | [INFO] [stdout] 101 | fn validate_height(hgt: i32, hgt_unit: String) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `row`, `col`, and `string` are never read [INFO] [stdout] --> src/day_5.rs:34:3 [INFO] [stdout] | [INFO] [stdout] 33 | pub struct Seat { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 34 | row: i32, [INFO] [stdout] | ^^^ [INFO] [stdout] 35 | col: i32, [INFO] [stdout] | ^^^ [INFO] [stdout] 36 | id: i32, [INFO] [stdout] 37 | string: String [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `day_1` is never used [INFO] [stdout] --> src/input_formatter.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn day_1() -> Vec { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `day_2` is never used [INFO] [stdout] --> src/input_formatter.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn day_2() -> Vec> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `day_3` is never used [INFO] [stdout] --> src/input_formatter.rs:34:8 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn day_3() -> Vec { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `day_4` is never used [INFO] [stdout] --> src/input_formatter.rs:41:8 [INFO] [stdout] | [INFO] [stdout] 41 | pub fn day_4() -> Vec { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `solve` is never used [INFO] [stdout] --> src/day_1.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn solve(numbers: Vec) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `solve` is never used [INFO] [stdout] --> src/day_2.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 2 | pub fn solve(passwords: Vec>) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `solve` is never used [INFO] [stdout] --> src/day_3.rs:2:9 [INFO] [stdout] | [INFO] [stdout] 2 | pub fn solve(trees: Vec) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `solve` is never used [INFO] [stdout] --> src/day_4.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn solve(documents: Vec) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_value` is never used [INFO] [stdout] --> src/day_4.rs:47:4 [INFO] [stdout] | [INFO] [stdout] 47 | fn get_value(doc: String, code: String) -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `missing_value` is never used [INFO] [stdout] --> src/day_4.rs:56:4 [INFO] [stdout] | [INFO] [stdout] 56 | fn missing_value(doc: &Document) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `validate_doc` is never used [INFO] [stdout] --> src/day_4.rs:72:4 [INFO] [stdout] | [INFO] [stdout] 72 | fn validate_doc(doc: Document) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `validate_height` is never used [INFO] [stdout] --> src/day_4.rs:101:4 [INFO] [stdout] | [INFO] [stdout] 101 | fn validate_height(hgt: i32, hgt_unit: String) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `row`, `col`, and `string` are never read [INFO] [stdout] --> src/day_5.rs:34:3 [INFO] [stdout] | [INFO] [stdout] 33 | pub struct Seat { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 34 | row: i32, [INFO] [stdout] | ^^^ [INFO] [stdout] 35 | col: i32, [INFO] [stdout] | ^^^ [INFO] [stdout] 36 | id: i32, [INFO] [stdout] 37 | string: String [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.81s [INFO] running `Command { std: "docker" "inspect" "c8adc811656eb2afff9708adfcd62f53afbf7d26176c1f725864b1cced3d6581", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c8adc811656eb2afff9708adfcd62f53afbf7d26176c1f725864b1cced3d6581", kill_on_drop: false }` [INFO] [stdout] c8adc811656eb2afff9708adfcd62f53afbf7d26176c1f725864b1cced3d6581 [INFO] checking Mallig/advent-of-code-2020 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMallig%2Fadvent-of-code-2020" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Mallig/advent-of-code-2020 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/Mallig/advent-of-code-2020 [INFO] finished tweaking git repo https://github.com/Mallig/advent-of-code-2020 [INFO] tweaked toml for git repo https://github.com/Mallig/advent-of-code-2020 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Mallig/advent-of-code-2020 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 6ad825b7a37eb7f934c6e5d5b284728bc93dfa367dd3cb8c43ec5589dc0d0937 [INFO] running `Command { std: "docker" "start" "-a" "6ad825b7a37eb7f934c6e5d5b284728bc93dfa367dd3cb8c43ec5589dc0d0937", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6ad825b7a37eb7f934c6e5d5b284728bc93dfa367dd3cb8c43ec5589dc0d0937", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6ad825b7a37eb7f934c6e5d5b284728bc93dfa367dd3cb8c43ec5589dc0d0937", kill_on_drop: false }` [INFO] [stdout] 6ad825b7a37eb7f934c6e5d5b284728bc93dfa367dd3cb8c43ec5589dc0d0937 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] c486f78fa5eaf4d6adad028f1f6404bef59233e777eb0ea1e3eec3927ed1ca37 [INFO] running `Command { std: "docker" "start" "-a" "c486f78fa5eaf4d6adad028f1f6404bef59233e777eb0ea1e3eec3927ed1ca37", kill_on_drop: false }` [INFO] [stderr] Checking regex-syntax v0.6.21 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.4.2/src/exec.rs:836:13 [INFO] [stdout] | [INFO] [stdout] 836 | / match dfa::Fsm::reverse( [INFO] [stdout] 837 | | &self.ro.dfa_reverse, [INFO] [stdout] 838 | | self.cache.value(), [INFO] [stdout] 839 | | false, [INFO] [stdout] ... | [INFO] [stdout] 850 | | Quit => return Some(Quit), [INFO] [stdout] 851 | | }; [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" "c486f78fa5eaf4d6adad028f1f6404bef59233e777eb0ea1e3eec3927ed1ca37", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c486f78fa5eaf4d6adad028f1f6404bef59233e777eb0ea1e3eec3927ed1ca37", kill_on_drop: false }` [INFO] [stdout] c486f78fa5eaf4d6adad028f1f6404bef59233e777eb0ea1e3eec3927ed1ca37