[INFO] cloning repository https://github.com/littlewhitecloud/MD2HTML
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/littlewhitecloud/MD2HTML" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flittlewhitecloud%2FMD2HTML", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flittlewhitecloud%2FMD2HTML'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e1d745eac6566c2b23af868a406f85eab7aeee80
[INFO] checking littlewhitecloud/MD2HTML against try#1779a8680dcd39c56ed600627cf6742ef07ed78c for pr-149045
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flittlewhitecloud%2FMD2HTML" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/littlewhitecloud/MD2HTML
[INFO] finished tweaking git repo https://github.com/littlewhitecloud/MD2HTML
[INFO] tweaked toml for git repo https://github.com/littlewhitecloud/MD2HTML written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/littlewhitecloud/MD2HTML on toolchain 1779a8680dcd39c56ed600627cf6742ef07ed78c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1779a8680dcd39c56ed600627cf6742ef07ed78c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/littlewhitecloud/MD2HTML 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" "+1779a8680dcd39c56ed600627cf6742ef07ed78c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking littlewhitecloud/MD2HTML against try#1779a8680dcd39c56ed600627cf6742ef07ed78c for pr-149045
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flittlewhitecloud%2FMD2HTML" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/littlewhitecloud/MD2HTML
[INFO] finished tweaking git repo https://github.com/littlewhitecloud/MD2HTML
[INFO] tweaked toml for git repo https://github.com/littlewhitecloud/MD2HTML written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/littlewhitecloud/MD2HTML on toolchain 1779a8680dcd39c56ed600627cf6742ef07ed78c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1779a8680dcd39c56ed600627cf6742ef07ed78c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/littlewhitecloud/MD2HTML 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" "+1779a8680dcd39c56ed600627cf6742ef07ed78c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1779a8680dcd39c56ed600627cf6742ef07ed78c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a608f47bc90f2b6fb6fdc32463408b89d6f5b6ace93ad8b00472e67609bc400
[INFO] running `Command { std: "docker" "start" "-a" "4a608f47bc90f2b6fb6fdc32463408b89d6f5b6ace93ad8b00472e67609bc400", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a608f47bc90f2b6fb6fdc32463408b89d6f5b6ace93ad8b00472e67609bc400", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a608f47bc90f2b6fb6fdc32463408b89d6f5b6ace93ad8b00472e67609bc400", kill_on_drop: false }`
[INFO] [stdout] 4a608f47bc90f2b6fb6fdc32463408b89d6f5b6ace93ad8b00472e67609bc400
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1779a8680dcd39c56ed600627cf6742ef07ed78c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3d2e23e52a0d391687eedcd6f61ba132a92600018eb38ec6322394bf10d8b1f
[INFO] running `Command { std: "docker" "start" "-a" "f3d2e23e52a0d391687eedcd6f61ba132a92600018eb38ec6322394bf10d8b1f", kill_on_drop: false }`
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking md2html v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/generate.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `regex::Regex`
[INFO] [stdout]  --> src/tokenize.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use regex::Regex;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokenize::handle_markdown_file`
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use tokenize::handle_markdown_file;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/tokenize.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     unimplemented!();
[INFO] [stdout]    |     ---------------- any code following this expression is unreachable
[INFO] [stdout] 16 |
[INFO] [stdout] 17 |     Ok(())
[INFO] [stdout]    |     ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/generate.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `regex::Regex`
[INFO] [stdout]  --> src/tokenize.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use regex::Regex;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokenize::handle_markdown_file`
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use tokenize::handle_markdown_file;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source`
[INFO] [stdout]  --> src/tokenize.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let source = safe_read_file(path)?;
[INFO] [stdout]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/main.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let path = "README.md";
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `safe_read_file` is never used
[INFO] [stdout]  --> src/file.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn safe_read_file(path: &str) -> Result<Vec<String>, Error> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fast_read_file` is never used
[INFO] [stdout]   --> src/file.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn fast_read_file(path: &str) -> Result<Vec<String>, Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_from_tokenize` is never used
[INFO] [stdout]  --> src/generate.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn generate_from_tokenize() -> Result<(), Error> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_title` is never used
[INFO] [stdout]  --> src/tokenize.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn handle_title() {}
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_markdown_file` is never used
[INFO] [stdout]  --> src/tokenize.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn handle_markdown_file(path: &str) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `MarkdownGrammarType` is never used
[INFO] [stdout]  --> src/utils.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum MarkdownGrammarType {
[INFO] [stdout]   |      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Token` is never constructed
[INFO] [stdout]   --> src/utils.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Token {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/tokenize.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     unimplemented!();
[INFO] [stdout]    |     ---------------- any code following this expression is unreachable
[INFO] [stdout] 16 |
[INFO] [stdout] 17 |     Ok(())
[INFO] [stdout]    |     ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source`
[INFO] [stdout]  --> src/tokenize.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let source = safe_read_file(path)?;
[INFO] [stdout]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/main.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let path = "README.md";
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `safe_read_file` is never used
[INFO] [stdout]  --> src/file.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn safe_read_file(path: &str) -> Result<Vec<String>, Error> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fast_read_file` is never used
[INFO] [stdout]   --> src/file.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn fast_read_file(path: &str) -> Result<Vec<String>, Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_from_tokenize` is never used
[INFO] [stdout]  --> src/generate.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn generate_from_tokenize() -> Result<(), Error> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_title` is never used
[INFO] [stdout]  --> src/tokenize.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn handle_title() {}
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_markdown_file` is never used
[INFO] [stdout]  --> src/tokenize.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn handle_markdown_file(path: &str) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `MarkdownGrammarType` is never used
[INFO] [stdout]  --> src/utils.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum MarkdownGrammarType {
[INFO] [stdout]   |      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Token` is never constructed
[INFO] [stdout]   --> src/utils.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Token {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.18s
[INFO] running `Command { std: "docker" "inspect" "f3d2e23e52a0d391687eedcd6f61ba132a92600018eb38ec6322394bf10d8b1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3d2e23e52a0d391687eedcd6f61ba132a92600018eb38ec6322394bf10d8b1f", kill_on_drop: false }`
[INFO] [stdout] f3d2e23e52a0d391687eedcd6f61ba132a92600018eb38ec6322394bf10d8b1f
