[INFO] cloning repository https://github.com/Defman/feather-markdown
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Defman/feather-markdown" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDefman%2Ffeather-markdown", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDefman%2Ffeather-markdown'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 803f6a8589d5be9db974aba0b393a20662f36421
[INFO] checking Defman/feather-markdown against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDefman%2Ffeather-markdown" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Defman/feather-markdown on toolchain 9fa580b1175018b0a276b0bc68f9827a106f7260
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Defman/feather-markdown
[INFO] finished tweaking git repo https://github.com/Defman/feather-markdown
[INFO] tweaked toml for git repo https://github.com/Defman/feather-markdown written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Defman/feather-markdown already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f51561b11be5a2fdf1b98e9c0529bb1eadedcf289548ba8c0c8a853c163ad90
[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" "8f51561b11be5a2fdf1b98e9c0529bb1eadedcf289548ba8c0c8a853c163ad90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f51561b11be5a2fdf1b98e9c0529bb1eadedcf289548ba8c0c8a853c163ad90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f51561b11be5a2fdf1b98e9c0529bb1eadedcf289548ba8c0c8a853c163ad90", kill_on_drop: false }`
[INFO] [stdout] 8f51561b11be5a2fdf1b98e9c0529bb1eadedcf289548ba8c0c8a853c163ad90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fbf5f75f0af529f97848d0c5ee6446bae874e536622cc74f87a08f4c259b62da
[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" "fbf5f75f0af529f97848d0c5ee6446bae874e536622cc74f87a08f4c259b62da", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking lexical-core v0.7.4
[INFO] [stderr]     Checking text-markdown v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/parser.rs:24:15
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn append(input: I, kind: nom::error::ErrorKind, other: Self) -> Self {
[INFO] [stdout]    |               ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kind`
[INFO] [stdout]   --> src/parser.rs:24:25
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn append(input: I, kind: nom::error::ErrorKind, other: Self) -> Self {
[INFO] [stdout]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_kind`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LiteralOverflow`
[INFO] [stdout]   --> src/parser.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     LiteralOverflow(I),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_scope`
[INFO] [stdout]   --> src/parser.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn parse_scope(input: &str) -> IResult<&str, Ast, ParseError<&str>> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_identifier`
[INFO] [stdout]   --> src/parser.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn parse_identifier(input: &str) -> IResult<&str, &str, ParseError<&str>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_float`
[INFO] [stdout]   --> src/parser.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn parse_float(input: &str) -> IResult<&str, Ast, ParseError<&str>> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_integer`
[INFO] [stdout]   --> src/parser.rs:41:4
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn parse_integer(input: &str) -> IResult<&str, Ast, ParseError<&str>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_parameters`
[INFO] [stdout]   --> src/parser.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn parse_parameters(input: &str) -> IResult<&str, Vec<Ast>, ParseError<&str>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_parameter`
[INFO] [stdout]   --> src/parser.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn parse_parameter(input: &str) -> IResult<&str, Ast, ParseError<&str>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_call`
[INFO] [stdout]   --> src/parser.rs:61:4
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn parse_call(input: &str) -> IResult<&str, Ast<'_>, ParseError<&str>> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_text`
[INFO] [stdout]   --> src/parser.rs:68:4
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn parse_text(input: &str) -> IResult<&str, Ast, ParseError<&str>> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_one`
[INFO] [stdout]   --> src/parser.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn parse_one(input: &str) -> IResult<&str, Ast, ParseError<&str>> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_many`
[INFO] [stdout]   --> src/parser.rs:79:4
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn parse_many(input: &str) -> IResult<&str, Ast, ParseError<&str>> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse`
[INFO] [stdout]   --> src/parser.rs:88:8
[INFO] [stdout]    |
[INFO] [stdout] 88 | pub fn parse(input: &str) -> Result<Ast, String> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `kind`
[INFO] [stdout]   --> src/main.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn kind(&self) -> Kind {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse`
[INFO] [stdout]   --> src/main.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn parse(program: &str) -> Result<Ast, String> {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Lambda`
[INFO] [stdout]   --> src/main.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | type Lambda<'a> = fn(Vec<Value<'a>>, Vec<Value<'a>>) -> Result<Value<'a>, String>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Number`
[INFO] [stdout]   --> src/main.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     Number,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Float`
[INFO] [stdout]   --> src/main.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     Float,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Text`
[INFO] [stdout]   --> src/main.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     Text,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Identifier`
[INFO] [stdout]   --> src/main.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     Identifier,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Function`
[INFO] [stdout]   --> src/main.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | struct Function<'a> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `expected_kind`
[INFO] [stdout]   --> src/main.rs:50:4
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn expected_kind(value: &Value, kind: &Kind) -> Result<(), String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `eval`
[INFO] [stdout]   --> src/main.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn eval<'a>(ast: Ast<'a>, functions: &BTreeMap<String, Function<'a>>) -> Result<Value<'a>, String> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/parser.rs:24:15
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn append(input: I, kind: nom::error::ErrorKind, other: Self) -> Self {
[INFO] [stdout]    |               ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kind`
[INFO] [stdout]   --> src/parser.rs:24:25
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn append(input: I, kind: nom::error::ErrorKind, other: Self) -> Self {
[INFO] [stdout]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_kind`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.17s
[INFO] running `Command { std: "docker" "inspect" "fbf5f75f0af529f97848d0c5ee6446bae874e536622cc74f87a08f4c259b62da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbf5f75f0af529f97848d0c5ee6446bae874e536622cc74f87a08f4c259b62da", kill_on_drop: false }`
[INFO] [stdout] fbf5f75f0af529f97848d0c5ee6446bae874e536622cc74f87a08f4c259b62da