[INFO] cloning repository https://github.com/risolutore/gamebook-ast
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/risolutore/gamebook-ast" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frisolutore%2Fgamebook-ast", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frisolutore%2Fgamebook-ast'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c20ed9afb3ff4ce69bba29507b0b9239356743f0
[INFO] checking risolutore/gamebook-ast against e977a0b5ab976a591981e7263bd67a71a4f79308 for pr-158914
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frisolutore%2Fgamebook-ast" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/risolutore/gamebook-ast
[INFO] finished tweaking git repo https://github.com/risolutore/gamebook-ast
[INFO] tweaked toml for git repo https://github.com/risolutore/gamebook-ast written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/risolutore/gamebook-ast on toolchain e977a0b5ab976a591981e7263bd67a71a4f79308
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e977a0b5ab976a591981e7263bd67a71a4f79308" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/risolutore/gamebook-ast 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" "+e977a0b5ab976a591981e7263bd67a71a4f79308" "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 risolutore/gamebook-ast against e977a0b5ab976a591981e7263bd67a71a4f79308 for pr-158914
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frisolutore%2Fgamebook-ast" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/risolutore/gamebook-ast
[INFO] finished tweaking git repo https://github.com/risolutore/gamebook-ast
[INFO] tweaked toml for git repo https://github.com/risolutore/gamebook-ast written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/risolutore/gamebook-ast on toolchain e977a0b5ab976a591981e7263bd67a71a4f79308
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e977a0b5ab976a591981e7263bd67a71a4f79308" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/risolutore/gamebook-ast 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" "+e977a0b5ab976a591981e7263bd67a71a4f79308" "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/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:1fa6594d87c8fa7b311925a7a77a16f539833322d9dfba4ce891f211db2f90b1" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] eaa5f70616cb52ec501481479115f1ba6786ff9d969a3f5f3b674ae926a53579
[INFO] running `Command { std: "docker" "start" "eaa5f70616cb52ec501481479115f1ba6786ff9d969a3f5f3b674ae926a53579", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eaa5f70616cb52ec501481479115f1ba6786ff9d969a3f5f3b674ae926a53579", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "eaa5f70616cb52ec501481479115f1ba6786ff9d969a3f5f3b674ae926a53579" "/opt/rustwide/cargo-home/bin/cargo" "+e977a0b5ab976a591981e7263bd67a71a4f79308" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eaa5f70616cb52ec501481479115f1ba6786ff9d969a3f5f3b674ae926a53579", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "eaa5f70616cb52ec501481479115f1ba6786ff9d969a3f5f3b674ae926a53579" "/opt/rustwide/cargo-home/bin/cargo" "+e977a0b5ab976a591981e7263bd67a71a4f79308" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking gmbs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parser/parser.rs:520:20
[INFO] [stdout]     |
[INFO] [stdout] 520 |     let (mut left, mut idx2) = parse_and(tokens, idx)?;
[INFO] [stdout]     |                    ----^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parser/parser.rs:533:20
[INFO] [stdout]     |
[INFO] [stdout] 533 |     let (mut left, mut idx2) = parse_atom(tokens, idx)?;
[INFO] [stdout]     |                    ----^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parser/parser.rs:520:20
[INFO] [stdout]     |
[INFO] [stdout] 520 |     let (mut left, mut idx2) = parse_and(tokens, idx)?;
[INFO] [stdout]     |                    ----^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parser/parser.rs:533:20
[INFO] [stdout]     |
[INFO] [stdout] 533 |     let (mut left, mut idx2) = parse_atom(tokens, idx)?;
[INFO] [stdout]     |                    ----^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `title` and `content` are never read
[INFO] [stdout]   --> src/ast/book.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct RuleSection {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 15 |     pub title: Option<String>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 16 |     pub content: TextBlock,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RuleSection` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `foreword` and `rules` are never read
[INFO] [stdout]   --> src/ast/book.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct Book {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub foreword: Option<TextBlock>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 37 |     pub rules: Vec<RuleSection>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Book` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `wrap_if_needed` is never used
[INFO] [stdout]    --> src/exporter/print_txt.rs:144:4
[INFO] [stdout]     |
[INFO] [stdout] 144 | fn wrap_if_needed(book: &Book, cond: &Condition) -> String {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `title` and `content` are never read
[INFO] [stdout]   --> src/ast/book.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct RuleSection {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 15 |     pub title: Option<String>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 16 |     pub content: TextBlock,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RuleSection` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `foreword` and `rules` are never read
[INFO] [stdout]   --> src/ast/book.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct Book {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub foreword: Option<TextBlock>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 37 |     pub rules: Vec<RuleSection>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Book` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `wrap_if_needed` is never used
[INFO] [stdout]    --> src/exporter/print_txt.rs:144:4
[INFO] [stdout]     |
[INFO] [stdout] 144 | fn wrap_if_needed(book: &Book, cond: &Condition) -> String {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "eaa5f70616cb52ec501481479115f1ba6786ff9d969a3f5f3b674ae926a53579", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaa5f70616cb52ec501481479115f1ba6786ff9d969a3f5f3b674ae926a53579", kill_on_drop: false }`
[INFO] [stdout] eaa5f70616cb52ec501481479115f1ba6786ff9d969a3f5f3b674ae926a53579
