[INFO] cloning repository https://github.com/cfiet/rust-advent-of-code-2018 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cfiet/rust-advent-of-code-2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcfiet%2Frust-advent-of-code-2018", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcfiet%2Frust-advent-of-code-2018'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 395b460f2409c48cf7fd4cfc82d8568624da24e8 [INFO] checking cfiet/rust-advent-of-code-2018 against master#b389b0ab72cb0aa9acf4df0ae0c0e12090782da9 for pr-128351-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcfiet%2Frust-advent-of-code-2018" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cfiet/rust-advent-of-code-2018 on toolchain b389b0ab72cb0aa9acf4df0ae0c0e12090782da9 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b389b0ab72cb0aa9acf4df0ae0c0e12090782da9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/cfiet/rust-advent-of-code-2018 [INFO] finished tweaking git repo https://github.com/cfiet/rust-advent-of-code-2018 [INFO] tweaked toml for git repo https://github.com/cfiet/rust-advent-of-code-2018 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/cfiet/rust-advent-of-code-2018 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" "+b389b0ab72cb0aa9acf4df0ae0c0e12090782da9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded itertools v0.8.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+b389b0ab72cb0aa9acf4df0ae0c0e12090782da9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cefdbf80b5a45864d7ad600d6356ae51902bc97880c599828432f6262bbe28f7 [INFO] running `Command { std: "docker" "start" "-a" "cefdbf80b5a45864d7ad600d6356ae51902bc97880c599828432f6262bbe28f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cefdbf80b5a45864d7ad600d6356ae51902bc97880c599828432f6262bbe28f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cefdbf80b5a45864d7ad600d6356ae51902bc97880c599828432f6262bbe28f7", kill_on_drop: false }` [INFO] [stdout] cefdbf80b5a45864d7ad600d6356ae51902bc97880c599828432f6262bbe28f7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+b389b0ab72cb0aa9acf4df0ae0c0e12090782da9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9cfa36ca7ccd1772ad6c11fd9a7234bf2ee5b7938dbb307d0d04618b955c3849 [INFO] running `Command { std: "docker" "start" "-a" "9cfa36ca7ccd1772ad6c11fd9a7234bf2ee5b7938dbb307d0d04618b955c3849", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.45 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Checking either v1.5.0 [INFO] [stderr] Checking itertools v0.8.0 [INFO] [stderr] Checking memchr v2.1.2 [INFO] [stderr] Checking time v0.1.40 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Checking chrono v0.4.6 [INFO] [stderr] Checking regex v1.1.0 [INFO] [stderr] Checking rust-advent-of-code-2018 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/day3.rs:15:18 [INFO] [stdout] | [INFO] [stdout] 15 | ParseLineError(String), [INFO] [stdout] | -------------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `ClaimError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 15 | ParseLineError(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> src/day3.rs:16:19 [INFO] [stdout] | [INFO] [stdout] 16 | ParseFieldError(String, String) [INFO] [stdout] | --------------- ^^^^^^ ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `ClaimError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 16 | ParseFieldError((), ()) [INFO] [stdout] | ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `Rc>` does not permit zero-initialization [INFO] [stdout] --> src/day9.rs:59:22 [INFO] [stdout] | [INFO] [stdout] 59 | next: unsafe { std::mem::zeroed() }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: `std::rc::Rc>` must be non-null [INFO] [stdout] = note: because `std::ptr::NonNull>>` must be non-null [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `Rc>` does not permit zero-initialization [INFO] [stdout] --> src/day9.rs:60:22 [INFO] [stdout] | [INFO] [stdout] 60 | prev: unsafe { std::mem::zeroed() } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: `std::rc::Rc>` must be non-null [INFO] [stdout] = note: because `std::ptr::NonNull>>` must be non-null [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/day3.rs:15:18 [INFO] [stdout] | [INFO] [stdout] 15 | ParseLineError(String), [INFO] [stdout] | -------------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `ClaimError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 15 | ParseLineError(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> src/day3.rs:16:19 [INFO] [stdout] | [INFO] [stdout] 16 | ParseFieldError(String, String) [INFO] [stdout] | --------------- ^^^^^^ ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `ClaimError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 16 | ParseFieldError((), ()) [INFO] [stdout] | ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `Rc>` does not permit zero-initialization [INFO] [stdout] --> src/day9.rs:59:22 [INFO] [stdout] | [INFO] [stdout] 59 | next: unsafe { std::mem::zeroed() }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: `std::rc::Rc>` must be non-null [INFO] [stdout] = note: because `std::ptr::NonNull>>` must be non-null [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `Rc>` does not permit zero-initialization [INFO] [stdout] --> src/day9.rs:60:22 [INFO] [stdout] | [INFO] [stdout] 60 | prev: unsafe { std::mem::zeroed() } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: `std::rc::Rc>` must be non-null [INFO] [stdout] = note: because `std::ptr::NonNull>>` must be non-null [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.55s [INFO] running `Command { std: "docker" "inspect" "9cfa36ca7ccd1772ad6c11fd9a7234bf2ee5b7938dbb307d0d04618b955c3849", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9cfa36ca7ccd1772ad6c11fd9a7234bf2ee5b7938dbb307d0d04618b955c3849", kill_on_drop: false }` [INFO] [stdout] 9cfa36ca7ccd1772ad6c11fd9a7234bf2ee5b7938dbb307d0d04618b955c3849 [INFO] checking cfiet/rust-advent-of-code-2018 against try#16d823b1c168ce52c66ccc00dfd686f775a45c65 for pr-128351-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcfiet%2Frust-advent-of-code-2018" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cfiet/rust-advent-of-code-2018 on toolchain 16d823b1c168ce52c66ccc00dfd686f775a45c65 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16d823b1c168ce52c66ccc00dfd686f775a45c65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/cfiet/rust-advent-of-code-2018 [INFO] finished tweaking git repo https://github.com/cfiet/rust-advent-of-code-2018 [INFO] tweaked toml for git repo https://github.com/cfiet/rust-advent-of-code-2018 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/cfiet/rust-advent-of-code-2018 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" "+16d823b1c168ce52c66ccc00dfd686f775a45c65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+16d823b1c168ce52c66ccc00dfd686f775a45c65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bb6ba49533b557ed44c2a6efe1e1a7cc239bd94a6a32de49c35c21c8813b70ec [INFO] running `Command { std: "docker" "start" "-a" "bb6ba49533b557ed44c2a6efe1e1a7cc239bd94a6a32de49c35c21c8813b70ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bb6ba49533b557ed44c2a6efe1e1a7cc239bd94a6a32de49c35c21c8813b70ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bb6ba49533b557ed44c2a6efe1e1a7cc239bd94a6a32de49c35c21c8813b70ec", kill_on_drop: false }` [INFO] [stdout] bb6ba49533b557ed44c2a6efe1e1a7cc239bd94a6a32de49c35c21c8813b70ec [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+16d823b1c168ce52c66ccc00dfd686f775a45c65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f2dfc74b6b80513d4d6ae935c59093709b3f0aef273dbc930537c89f0dfa3bc7 [INFO] running `Command { std: "docker" "start" "-a" "f2dfc74b6b80513d4d6ae935c59093709b3f0aef273dbc930537c89f0dfa3bc7", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.45 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Checking either v1.5.0 [INFO] [stderr] Checking itertools v0.8.0 [INFO] [stderr] Checking memchr v2.1.2 [INFO] [stderr] Checking time v0.1.40 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Checking regex v1.1.0 [INFO] [stderr] Checking chrono v0.4.6 [INFO] [stderr] Checking rust-advent-of-code-2018 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/day3.rs:15:18 [INFO] [stdout] | [INFO] [stdout] 15 | ParseLineError(String), [INFO] [stdout] | -------------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `ClaimError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 15 | ParseLineError(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> src/day3.rs:16:19 [INFO] [stdout] | [INFO] [stdout] 16 | ParseFieldError(String, String) [INFO] [stdout] | --------------- ^^^^^^ ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `ClaimError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 16 | ParseFieldError((), ()) [INFO] [stdout] | ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `Rc>` does not permit zero-initialization [INFO] [stdout] --> src/day9.rs:59:22 [INFO] [stdout] | [INFO] [stdout] 59 | next: unsafe { std::mem::zeroed() }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: `std::rc::Rc>` must be non-null [INFO] [stdout] = note: because `std::ptr::NonNull>>` must be non-null [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `Rc>` does not permit zero-initialization [INFO] [stdout] --> src/day9.rs:60:22 [INFO] [stdout] | [INFO] [stdout] 60 | prev: unsafe { std::mem::zeroed() } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: `std::rc::Rc>` must be non-null [INFO] [stdout] = note: because `std::ptr::NonNull>>` must be non-null [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/day3.rs:15:18 [INFO] [stdout] | [INFO] [stdout] 15 | ParseLineError(String), [INFO] [stdout] | -------------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `ClaimError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 15 | ParseLineError(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> src/day3.rs:16:19 [INFO] [stdout] | [INFO] [stdout] 16 | ParseFieldError(String, String) [INFO] [stdout] | --------------- ^^^^^^ ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `ClaimError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 16 | ParseFieldError((), ()) [INFO] [stdout] | ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `Rc>` does not permit zero-initialization [INFO] [stdout] --> src/day9.rs:59:22 [INFO] [stdout] | [INFO] [stdout] 59 | next: unsafe { std::mem::zeroed() }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: `std::rc::Rc>` must be non-null [INFO] [stdout] = note: because `std::ptr::NonNull>>` must be non-null [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `Rc>` does not permit zero-initialization [INFO] [stdout] --> src/day9.rs:60:22 [INFO] [stdout] | [INFO] [stdout] 60 | prev: unsafe { std::mem::zeroed() } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: `std::rc::Rc>` must be non-null [INFO] [stdout] = note: because `std::ptr::NonNull>>` must be non-null [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.00s [INFO] running `Command { std: "docker" "inspect" "f2dfc74b6b80513d4d6ae935c59093709b3f0aef273dbc930537c89f0dfa3bc7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f2dfc74b6b80513d4d6ae935c59093709b3f0aef273dbc930537c89f0dfa3bc7", kill_on_drop: false }` [INFO] [stdout] f2dfc74b6b80513d4d6ae935c59093709b3f0aef273dbc930537c89f0dfa3bc7