[INFO] cloning repository https://github.com/anan44/aoc2022 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/anan44/aoc2022" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanan44%2Faoc2022", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanan44%2Faoc2022'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a1d627c2fcdac3ec7db476bacf3c7929e5de4708 [INFO] checking anan44/aoc2022 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanan44%2Faoc2022" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/anan44/aoc2022 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/anan44/aoc2022 [INFO] finished tweaking git repo https://github.com/anan44/aoc2022 [INFO] tweaked toml for git repo https://github.com/anan44/aoc2022 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/anan44/aoc2022 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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 4dec623a7ebaf93313aca7d0da8ade827a80976a3bd45127a2886aff30e5e691 [INFO] running `Command { std: "docker" "start" "-a" "4dec623a7ebaf93313aca7d0da8ade827a80976a3bd45127a2886aff30e5e691", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4dec623a7ebaf93313aca7d0da8ade827a80976a3bd45127a2886aff30e5e691", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4dec623a7ebaf93313aca7d0da8ade827a80976a3bd45127a2886aff30e5e691", kill_on_drop: false }` [INFO] [stdout] 4dec623a7ebaf93313aca7d0da8ade827a80976a3bd45127a2886aff30e5e691 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 92d90895a47d42397e3ed6a528148e8ba928fe750649891bc7ed17b58d5bec85 [INFO] running `Command { std: "docker" "start" "-a" "92d90895a47d42397e3ed6a528148e8ba928fe750649891bc7ed17b58d5bec85", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Checking regex-syntax v0.6.28 [INFO] [stderr] Checking aho-corasick v0.7.20 [INFO] [stderr] Checking regex v1.7.0 [INFO] [stderr] Checking aoc2022 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/day10.rs:20:27 [INFO] [stdout] | [INFO] [stdout] 20 | Command::Addx(v) => vec![self.clone(), Command::Noop], [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/day10.rs:20:27 [INFO] [stdout] | [INFO] [stdout] 20 | Command::Addx(v) => vec![self.clone(), Command::Noop], [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/day7.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | Dir(String), [INFO] [stdout] | --- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 8 | Dir(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `is_on_sprite` is never used [INFO] [stdout] --> src/day10.rs:59:4 [INFO] [stdout] | [INFO] [stdout] 59 | fn is_on_sprite(index: i32, sprite: i32) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type [INFO] [stdout] --> src/day4.rs:31:18 [INFO] [stdout] | [INFO] [stdout] 31 | .unwrap() [INFO] [stdout] | __________________^ [INFO] [stdout] 32 | | .clone()); [INFO] [stdout] | |________________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(suspicious_double_ref_op)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type [INFO] [stdout] --> src/day4.rs:34:18 [INFO] [stdout] | [INFO] [stdout] 34 | .unwrap() [INFO] [stdout] | __________________^ [INFO] [stdout] 35 | | .clone()); [INFO] [stdout] | |________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type [INFO] [stdout] --> src/day4.rs:45:41 [INFO] [stdout] | [INFO] [stdout] 45 | let start_str = ends.get(0).unwrap().clone(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type [INFO] [stdout] --> src/day4.rs:48:39 [INFO] [stdout] | [INFO] [stdout] 48 | let end_str = ends.get(1).unwrap().clone(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type [INFO] [stdout] --> src/day7.rs:14:38 [INFO] [stdout] | [INFO] [stdout] 14 | let first = split.get(0).unwrap().clone(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/day7.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | Dir(String), [INFO] [stdout] | --- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 8 | Dir(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `is_on_sprite` is never used [INFO] [stdout] --> src/day10.rs:59:4 [INFO] [stdout] | [INFO] [stdout] 59 | fn is_on_sprite(index: i32, sprite: i32) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/day8.rs:169:22 [INFO] [stdout] | [INFO] [stdout] 169 | .filter(|t| t.clone() >= height) [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `i32` does not implement `Clone`, so calling `clone` on `&i32` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type [INFO] [stdout] --> src/day10.rs:27:36 [INFO] [stdout] | [INFO] [stdout] 27 | let cmd = split.get(0).unwrap().clone(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type [INFO] [stdout] --> src/day4.rs:31:18 [INFO] [stdout] | [INFO] [stdout] 31 | .unwrap() [INFO] [stdout] | __________________^ [INFO] [stdout] 32 | | .clone()); [INFO] [stdout] | |________________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(suspicious_double_ref_op)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type [INFO] [stdout] --> src/day4.rs:34:18 [INFO] [stdout] | [INFO] [stdout] 34 | .unwrap() [INFO] [stdout] | __________________^ [INFO] [stdout] 35 | | .clone()); [INFO] [stdout] | |________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type [INFO] [stdout] --> src/day4.rs:45:41 [INFO] [stdout] | [INFO] [stdout] 45 | let start_str = ends.get(0).unwrap().clone(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type [INFO] [stdout] --> src/day4.rs:48:39 [INFO] [stdout] | [INFO] [stdout] 48 | let end_str = ends.get(1).unwrap().clone(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type [INFO] [stdout] --> src/day7.rs:14:38 [INFO] [stdout] | [INFO] [stdout] 14 | let first = split.get(0).unwrap().clone(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/day8.rs:169:22 [INFO] [stdout] | [INFO] [stdout] 169 | .filter(|t| t.clone() >= height) [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `i32` does not implement `Clone`, so calling `clone` on `&i32` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type [INFO] [stdout] --> src/day10.rs:27:36 [INFO] [stdout] | [INFO] [stdout] 27 | let cmd = split.get(0).unwrap().clone(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.85s [INFO] running `Command { std: "docker" "inspect" "92d90895a47d42397e3ed6a528148e8ba928fe750649891bc7ed17b58d5bec85", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "92d90895a47d42397e3ed6a528148e8ba928fe750649891bc7ed17b58d5bec85", kill_on_drop: false }` [INFO] [stdout] 92d90895a47d42397e3ed6a528148e8ba928fe750649891bc7ed17b58d5bec85 [INFO] checking anan44/aoc2022 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanan44%2Faoc2022" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/anan44/aoc2022 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/anan44/aoc2022 [INFO] finished tweaking git repo https://github.com/anan44/aoc2022 [INFO] tweaked toml for git repo https://github.com/anan44/aoc2022 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/anan44/aoc2022 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 2997d296b09cfe5ed619eddd85cd56e0c1dd483f22c6fb54776a32354dd03bde [INFO] running `Command { std: "docker" "start" "-a" "2997d296b09cfe5ed619eddd85cd56e0c1dd483f22c6fb54776a32354dd03bde", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2997d296b09cfe5ed619eddd85cd56e0c1dd483f22c6fb54776a32354dd03bde", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2997d296b09cfe5ed619eddd85cd56e0c1dd483f22c6fb54776a32354dd03bde", kill_on_drop: false }` [INFO] [stdout] 2997d296b09cfe5ed619eddd85cd56e0c1dd483f22c6fb54776a32354dd03bde [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] a88a80c034dbf7baaccdb00e1efa45692e4a743a633817c17ed397f00e608ed5 [INFO] running `Command { std: "docker" "start" "-a" "a88a80c034dbf7baaccdb00e1efa45692e4a743a633817c17ed397f00e608ed5", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Checking regex-syntax v0.6.28 [INFO] [stderr] Checking aho-corasick v0.7.20 [INFO] [stderr] Checking regex v1.7.0 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.7.0/src/exec.rs:848:13 [INFO] [stdout] | [INFO] [stdout] 848 | / match dfa::Fsm::reverse( [INFO] [stdout] 849 | | &self.ro.dfa_reverse, [INFO] [stdout] 850 | | self.cache.value(), [INFO] [stdout] 851 | | false, [INFO] [stdout] ... | [INFO] [stdout] 862 | | Quit => return Some(Quit), [INFO] [stdout] 863 | | }; [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" "a88a80c034dbf7baaccdb00e1efa45692e4a743a633817c17ed397f00e608ed5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a88a80c034dbf7baaccdb00e1efa45692e4a743a633817c17ed397f00e608ed5", kill_on_drop: false }` [INFO] [stdout] a88a80c034dbf7baaccdb00e1efa45692e4a743a633817c17ed397f00e608ed5