[INFO] cloning repository https://github.com/PhilYaren/tech-debt-mess
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PhilYaren/tech-debt-mess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhilYaren%2Ftech-debt-mess", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhilYaren%2Ftech-debt-mess'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aa2ff7359b3ae203a9f9f209776b25917da7c7bc
[INFO] checking PhilYaren/tech-debt-mess against 8006091eb71ae7d9e9bccb66c6122c9d68af4466 for pr-129249-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhilYaren%2Ftech-debt-mess" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/PhilYaren/tech-debt-mess
[INFO] finished tweaking git repo https://github.com/PhilYaren/tech-debt-mess
[INFO] tweaked toml for git repo https://github.com/PhilYaren/tech-debt-mess written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/PhilYaren/tech-debt-mess on toolchain 8006091eb71ae7d9e9bccb66c6122c9d68af4466
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8006091eb71ae7d9e9bccb66c6122c9d68af4466" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/PhilYaren/tech-debt-mess 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" "+8006091eb71ae7d9e9bccb66c6122c9d68af4466" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 4a28d6c2b6541bf5424e72866cdda7b4af76c1bd5438a8bf1d27b9845cebe331
[INFO] running `Command { std: "docker" "start" "4a28d6c2b6541bf5424e72866cdda7b4af76c1bd5438a8bf1d27b9845cebe331", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a28d6c2b6541bf5424e72866cdda7b4af76c1bd5438a8bf1d27b9845cebe331", 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" "4a28d6c2b6541bf5424e72866cdda7b4af76c1bd5438a8bf1d27b9845cebe331" "/opt/rustwide/cargo-home/bin/cargo" "+8006091eb71ae7d9e9bccb66c6122c9d68af4466" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a28d6c2b6541bf5424e72866cdda7b4af76c1bd5438a8bf1d27b9845cebe331", 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" "4a28d6c2b6541bf5424e72866cdda7b4af76c1bd5438a8bf1d27b9845cebe331" "/opt/rustwide/cargo-home/bin/cargo" "+8006091eb71ae7d9e9bccb66c6122c9d68af4466" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking analysis v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `reader_rc` is never read
[INFO] [stdout]   --> src/lib.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | struct LogIterator {
[INFO] [stdout]    |        ----------- field in this struct
[INFO] [stdout] 34 |     lines: std::iter::Filter<std::io::Lines<std::io::BufReader<...
[INFO] [stdout] 35 |     reader_rc: std::rc::Rc<std::cell::RefCell<Box<dyn MyReader>>>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LogIterator` 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: function `quote` is never used
[INFO] [stdout]   --> src/parse.rs:84:4
[INFO] [stdout]    |
[INFO] [stdout] 84 | fn quote (input: &str) -> String {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AsIs` is never constructed
[INFO] [stdout]    --> src/parse.rs:143:8
[INFO] [stdout]     |
[INFO] [stdout] 143 | struct AsIs;
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `all3` is never used
[INFO] [stdout]    --> src/parse.rs:315:4
[INFO] [stdout]     |
[INFO] [stdout] 315 | fn all3<A0: Parser, A1: Parser, A2: Parser>(a0: A0, a1: A1, a2: A2) -> All<(A0,A1,A2)> {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `all4` is never used
[INFO] [stdout]    --> src/parse.rs:336:4
[INFO] [stdout]     |
[INFO] [stdout] 336 | fn all4<A0: Parser, A1: Parser, A2: Parser, A3: Parser>(a0: A0, a1: A1, a2: A2, a3: A3) -> All<(A0,A1,A2,A3)> {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Either` is never used
[INFO] [stdout]    --> src/parse.rs:633:6
[INFO] [stdout]     |
[INFO] [stdout] 633 | enum Either<Left,Right> {
[INFO] [stdout]     |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Status` is never used
[INFO] [stdout]    --> src/parse.rs:639:6
[INFO] [stdout]     |
[INFO] [stdout] 639 | enum Status {
[INFO] [stdout]     |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `I32` is never constructed
[INFO] [stdout]   --> src/parse.rs:53:16
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub struct I32;
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `reader_rc` is never read
[INFO] [stdout]   --> src/lib.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | struct LogIterator {
[INFO] [stdout]    |        ----------- field in this struct
[INFO] [stdout] 34 |     lines: std::iter::Filter<std::io::Lines<std::io::BufReader<...
[INFO] [stdout] 35 |     reader_rc: std::rc::Rc<std::cell::RefCell<Box<dyn MyReader>>>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LogIterator` 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: struct `AsIs` is never constructed
[INFO] [stdout]    --> src/parse.rs:143:8
[INFO] [stdout]     |
[INFO] [stdout] 143 | struct AsIs;
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `all3` is never used
[INFO] [stdout]    --> src/parse.rs:315:4
[INFO] [stdout]     |
[INFO] [stdout] 315 | fn all3<A0: Parser, A1: Parser, A2: Parser>(a0: A0, a1: A1, a2: A2) -> All<(A0,A1,A2)> {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `all4` is never used
[INFO] [stdout]    --> src/parse.rs:336:4
[INFO] [stdout]     |
[INFO] [stdout] 336 | fn all4<A0: Parser, A1: Parser, A2: Parser, A3: Parser>(a0: A0, a1: A1, a2: A2, a3: A3) -> All<(A0,A1,A2,A3)> {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Either` is never used
[INFO] [stdout]    --> src/parse.rs:633:6
[INFO] [stdout]     |
[INFO] [stdout] 633 | enum Either<Left,Right> {
[INFO] [stdout]     |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Status` is never used
[INFO] [stdout]    --> src/parse.rs:639:6
[INFO] [stdout]     |
[INFO] [stdout] 639 | enum Status {
[INFO] [stdout]     |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "4a28d6c2b6541bf5424e72866cdda7b4af76c1bd5438a8bf1d27b9845cebe331", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a28d6c2b6541bf5424e72866cdda7b4af76c1bd5438a8bf1d27b9845cebe331", kill_on_drop: false }`
[INFO] [stdout] 4a28d6c2b6541bf5424e72866cdda7b4af76c1bd5438a8bf1d27b9845cebe331