[INFO] cloning repository https://github.com/FredOden/rustin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FredOden/rustin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFredOden%2Frustin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFredOden%2Frustin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e65b77815323e9245b7b5f930d6cc3a1729627fa
[INFO] checking FredOden/rustin against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFredOden%2Frustin" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/FredOden/rustin
[INFO] finished tweaking git repo https://github.com/FredOden/rustin
[INFO] tweaked toml for git repo https://github.com/FredOden/rustin written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/FredOden/rustin on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/FredOden/rustin 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded deser-hjson v2.2.4
[INFO] [stderr]   Downloaded syn v2.0.53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6956cc9dc100730e0efd3278f92b066bd32698b64fe8bbfb54a402001df6aa4d
[INFO] running `Command { std: "docker" "start" "-a" "6956cc9dc100730e0efd3278f92b066bd32698b64fe8bbfb54a402001df6aa4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6956cc9dc100730e0efd3278f92b066bd32698b64fe8bbfb54a402001df6aa4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6956cc9dc100730e0efd3278f92b066bd32698b64fe8bbfb54a402001df6aa4d", kill_on_drop: false }`
[INFO] [stdout] 6956cc9dc100730e0efd3278f92b066bd32698b64fe8bbfb54a402001df6aa4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c57ba27d96a2d97eaba21dc2736e5cdb940856b84eb521cdbddbacb81daa433
[INFO] running `Command { std: "docker" "start" "-a" "2c57ba27d96a2d97eaba21dc2736e5cdb940856b84eb521cdbddbacb81daa433", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking indexmap v2.2.5
[INFO] [stderr]    Compiling syn v2.0.53
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking deser-hjson v2.2.4
[INFO] [stderr]     Checking rustin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `end` is never read
[INFO] [stdout]  --> src/lex.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Token {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 9 |     end: usize,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Token` has derived impls for the traits `Debug` and `Clone`, but these are 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: methods `start` and `end` are never used
[INFO] [stdout]   --> src/lex.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Token {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] 15 |     pub fn start(&self) -> usize { self.start }
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn end(&self) -> usize { self.end }
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `grammar_json` is never read
[INFO] [stdout]   --> src/parser.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub struct Parser {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 78 |     tokens: Vec<lex::Token>,
[INFO] [stdout] 79 |     grammar_json: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Parser` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `end` is never read
[INFO] [stdout]  --> src/lex.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Token {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 9 |     end: usize,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Token` has derived impls for the traits `Debug` and `Clone`, but these are 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: methods `start` and `end` are never used
[INFO] [stdout]   --> src/lex.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Token {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] 15 |     pub fn start(&self) -> usize { self.start }
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn end(&self) -> usize { self.end }
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `grammar_json` is never read
[INFO] [stdout]   --> src/parser.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub struct Parser {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 78 |     tokens: Vec<lex::Token>,
[INFO] [stdout] 79 |     grammar_json: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Parser` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.10s
[INFO] running `Command { std: "docker" "inspect" "2c57ba27d96a2d97eaba21dc2736e5cdb940856b84eb521cdbddbacb81daa433", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c57ba27d96a2d97eaba21dc2736e5cdb940856b84eb521cdbddbacb81daa433", kill_on_drop: false }`
[INFO] [stdout] 2c57ba27d96a2d97eaba21dc2736e5cdb940856b84eb521cdbddbacb81daa433