[INFO] cloning repository https://github.com/chiahaohsutai/md-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chiahaohsutai/md-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchiahaohsutai%2Fmd-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchiahaohsutai%2Fmd-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a6016e695a133577a60fe2ff68f2b6ac5447390b
[INFO] checking chiahaohsutai/md-rs against try#6619027b13a87a3597115f2c8231f107bf3a7a5f for pr-139624
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchiahaohsutai%2Fmd-rs" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chiahaohsutai/md-rs on toolchain 6619027b13a87a3597115f2c8231f107bf3a7a5f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6619027b13a87a3597115f2c8231f107bf3a7a5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chiahaohsutai/md-rs
[INFO] finished tweaking git repo https://github.com/chiahaohsutai/md-rs
[INFO] tweaked toml for git repo https://github.com/chiahaohsutai/md-rs written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/chiahaohsutai/md-rs 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" "+6619027b13a87a3597115f2c8231f107bf3a7a5f" "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 chiahaohsutai/md-rs against try#6619027b13a87a3597115f2c8231f107bf3a7a5f for pr-139624
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchiahaohsutai%2Fmd-rs" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chiahaohsutai/md-rs on toolchain 6619027b13a87a3597115f2c8231f107bf3a7a5f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6619027b13a87a3597115f2c8231f107bf3a7a5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chiahaohsutai/md-rs
[INFO] finished tweaking git repo https://github.com/chiahaohsutai/md-rs
[INFO] tweaked toml for git repo https://github.com/chiahaohsutai/md-rs written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/chiahaohsutai/md-rs 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" "+6619027b13a87a3597115f2c8231f107bf3a7a5f" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+6619027b13a87a3597115f2c8231f107bf3a7a5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ebd42aee9cef59bc0fdcbf7193370df117df9160818b764b7920dfd9e1c2d28f
[INFO] running `Command { std: "docker" "start" "-a" "ebd42aee9cef59bc0fdcbf7193370df117df9160818b764b7920dfd9e1c2d28f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ebd42aee9cef59bc0fdcbf7193370df117df9160818b764b7920dfd9e1c2d28f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebd42aee9cef59bc0fdcbf7193370df117df9160818b764b7920dfd9e1c2d28f", kill_on_drop: false }`
[INFO] [stdout] ebd42aee9cef59bc0fdcbf7193370df117df9160818b764b7920dfd9e1c2d28f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+6619027b13a87a3597115f2c8231f107bf3a7a5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37a0574d69529f375de608c5a27c3e920acdf52124ee1f8d58ca2f2ec7f64ddd
[INFO] running `Command { std: "docker" "start" "-a" "37a0574d69529f375de608c5a27c3e920acdf52124ee1f8d58ca2f2ec7f64ddd", kill_on_drop: false }`
[INFO] [stderr]     Checking md-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/tokens.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout] 2  | enum TokenType {
[INFO] [stdout]    |      --------- variants in this enum
[INFO] [stdout] 3  |     CHAR,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 4  |     HASH,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 5  |     STAR,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 6  |     DASH,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 7  |     BANG,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 8  |     DIGIT,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 9  |     SPACE,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 10 |     PERIOD,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 11 |     RPAREN,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 12 |     LPAREN,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 13 |     NEWLINE,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 14 |     GREATER,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 15 |     RBRACKET,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 16 |     LBRACKET,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 17 |     BACKTICK,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 18 |     UNDERSCORE,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_char` is never used
[INFO] [stdout]   --> src/tokens.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl TokenType {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 22 |     fn from_char(c: char) -> TokenType {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/tokens.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | impl Token {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 53 |     fn new(value: char, position: usize, line: usize) -> Token {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tokenize` is never used
[INFO] [stdout]   --> src/tokens.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub fn tokenize<S: AsRef<str>>(input: S) -> Vec<Token> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "37a0574d69529f375de608c5a27c3e920acdf52124ee1f8d58ca2f2ec7f64ddd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37a0574d69529f375de608c5a27c3e920acdf52124ee1f8d58ca2f2ec7f64ddd", kill_on_drop: false }`
[INFO] [stdout] 37a0574d69529f375de608c5a27c3e920acdf52124ee1f8d58ca2f2ec7f64ddd