[INFO] cloning repository https://github.com/FSMaxB/rust-genealogy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FSMaxB/rust-genealogy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFSMaxB%2Frust-genealogy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFSMaxB%2Frust-genealogy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 73ac6844449632fbc66254bc51c7de905e9b8c3d
[INFO] checking FSMaxB/rust-genealogy against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFSMaxB%2Frust-genealogy" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FSMaxB/rust-genealogy on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/FSMaxB/rust-genealogy
[INFO] finished tweaking git repo https://github.com/FSMaxB/rust-genealogy
[INFO] tweaked toml for git repo https://github.com/FSMaxB/rust-genealogy written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/FSMaxB/rust-genealogy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c9cdbdcaa6bb96d781c939986fa736a38fe95fa3ffed6bf76947105aa584f983
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c9cdbdcaa6bb96d781c939986fa736a38fe95fa3ffed6bf76947105aa584f983", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9cdbdcaa6bb96d781c939986fa736a38fe95fa3ffed6bf76947105aa584f983", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9cdbdcaa6bb96d781c939986fa736a38fe95fa3ffed6bf76947105aa584f983", kill_on_drop: false }`
[INFO] [stdout] c9cdbdcaa6bb96d781c939986fa736a38fe95fa3ffed6bf76947105aa584f983
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a392f8242e8ad1b59bce947725f4578aa7385cb5d016dd4b66a5483b6411d0c9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a392f8242e8ad1b59bce947725f4578aa7385cb5d016dd4b66a5483b6411d0c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking hamcrest2 v0.3.0
[INFO] [stderr]     Checking rust-geneaology v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum is never used: `ArticleFactory`
[INFO] [stdout]   --> src/article/article_factory.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub enum ArticleFactory {}
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `TITLE`
[INFO] [stdout]   --> src/article/article_factory.rs:21:2
[INFO] [stdout]    |
[INFO] [stdout] 21 |     const TITLE: &'static str = "title";
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `TAGS`
[INFO] [stdout]   --> src/article/article_factory.rs:22:2
[INFO] [stdout]    |
[INFO] [stdout] 22 |     const TAGS: &'static str = "tags";
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `DATE`
[INFO] [stdout]   --> src/article/article_factory.rs:23:2
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub const DATE: &'static str = "date";
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `DESCRIPTION`
[INFO] [stdout]   --> src/article/article_factory.rs:24:2
[INFO] [stdout]    |
[INFO] [stdout] 24 |     const DESCRIPTION: &'static str = "description";
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `SLUG`
[INFO] [stdout]   --> src/article/article_factory.rs:25:2
[INFO] [stdout]    |
[INFO] [stdout] 25 |     const SLUG: &'static str = "slug";
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `FRONT_MATTER_SEPARATOR`
[INFO] [stdout]   --> src/article/article_factory.rs:26:2
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub const FRONT_MATTER_SEPARATOR: &'static str = "---";
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create_from_file`
[INFO] [stdout]   --> src/article/article_factory.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn create_from_file(file: &Path) -> Result<Article, Exception> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create_from_lines`
[INFO] [stdout]   --> src/article/article_factory.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn create_from_lines(lines: Vec<String>) -> Article {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create_from_iterators`
[INFO] [stdout]   --> src/article/article_factory.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn create_from_iterators(
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `extract_front_matter`
[INFO] [stdout]   --> src/article/article_factory.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn extract_front_matter(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `extract_content`
[INFO] [stdout]   --> src/article/article_factory.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn extract_content(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `key`
[INFO] [stdout]    --> src/article/article_factory.rs:100:2
[INFO] [stdout]     |
[INFO] [stdout] 100 |     key: String,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `value`
[INFO] [stdout]    --> src/article/article_factory.rs:101:2
[INFO] [stdout]     |
[INFO] [stdout] 101 |     value: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_from_text`
[INFO] [stdout]   --> src/article/tag.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn set_from_text(text: &str) -> Result<BTreeSet<Tag>, Exception> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Runtime`
[INFO] [stdout]  --> src/exception.rs:7:2
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Runtime(String),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NullPointer`
[INFO] [stdout]  --> src/exception.rs:9:2
[INFO] [stdout]   |
[INFO] [stdout] 9 |     NullPointer,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `DateTimeParse`
[INFO] [stdout]   --> src/exception.rs:10:2
[INFO] [stdout]    |
[INFO] [stdout] 10 |     DateTimeParse,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `TypedRelation`
[INFO] [stdout]  --> src/genealogist/typed_relation.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct TypedRelation {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/genealogist/typed_relation.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `file_lines`
[INFO] [stdout]   --> src/utils.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn file_lines(path: &Path) -> Box<dyn Iterator<Item = Result<String, std::io::Error>>> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create_from_file`
[INFO] [stdout]   --> src/article/article_factory.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn create_from_file(file: &Path) -> Result<Article, Exception> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `quotation_tests`
[INFO] [stdout]   --> src/article/title.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn quotation_tests() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Runtime`
[INFO] [stdout]  --> src/exception.rs:7:2
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Runtime(String),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `TypedRelation`
[INFO] [stdout]  --> src/genealogist/typed_relation.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct TypedRelation {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/genealogist/typed_relation.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `file_lines`
[INFO] [stdout]   --> src/utils.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn file_lines(path: &Path) -> Box<dyn Iterator<Item = Result<String, std::io::Error>>> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.65s
[INFO] running `Command { std: "docker" "inspect" "a392f8242e8ad1b59bce947725f4578aa7385cb5d016dd4b66a5483b6411d0c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a392f8242e8ad1b59bce947725f4578aa7385cb5d016dd4b66a5483b6411d0c9", kill_on_drop: false }`
[INFO] [stdout] a392f8242e8ad1b59bce947725f4578aa7385cb5d016dd4b66a5483b6411d0c9