[INFO] cloning repository https://github.com/mcmacker4/PosLang-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mcmacker4/PosLang-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmcmacker4%2FPosLang-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmcmacker4%2FPosLang-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9b5b97507c3fd42e6ea335f2a9eb129a4736b011
[INFO] checking mcmacker4/PosLang-rs against try#901e6d56697c79b2e80df6a487b2318ec6f57ee3 for pr-142287
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmcmacker4%2FPosLang-rs" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mcmacker4/PosLang-rs on toolchain 901e6d56697c79b2e80df6a487b2318ec6f57ee3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mcmacker4/PosLang-rs
[INFO] finished tweaking git repo https://github.com/mcmacker4/PosLang-rs
[INFO] tweaked toml for git repo https://github.com/mcmacker4/PosLang-rs written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mcmacker4/PosLang-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" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 68900377173c1256b4edf5b8f1bf876a655955a47eb81cfe7f4affe5e16d3c77
[INFO] running `Command { std: "docker" "start" "-a" "68900377173c1256b4edf5b8f1bf876a655955a47eb81cfe7f4affe5e16d3c77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68900377173c1256b4edf5b8f1bf876a655955a47eb81cfe7f4affe5e16d3c77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68900377173c1256b4edf5b8f1bf876a655955a47eb81cfe7f4affe5e16d3c77", kill_on_drop: false }`
[INFO] [stdout] 68900377173c1256b4edf5b8f1bf876a655955a47eb81cfe7f4affe5e16d3c77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95c63b88714a8c68ce37257b3f40991f51029169ca3c4dcc76e69c4f2b24dd3f
[INFO] running `Command { std: "docker" "start" "-a" "95c63b88714a8c68ce37257b3f40991f51029169ca3c4dcc76e69c4f2b24dd3f", kill_on_drop: false }`
[INFO] [stderr]     Checking poslang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `line` and `column` are never read
[INFO] [stdout]  --> src/lex.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Position {
[INFO] [stdout]   |            -------- fields in this struct
[INFO] [stdout] 4 |     pub line: usize,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 5 |     pub column: usize
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Position` 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: fields `token` and `position` are never read
[INFO] [stdout]   --> src/lex.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct TokenInfo {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 19 |     pub token: Token,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 20 |     pub position: Position
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenInfo` 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 `value` is never read
[INFO] [stdout]   --> src/lex.rs:31:14
[INFO] [stdout]    |
[INFO] [stdout] 31 |     NUMBER { value: i32 },
[INFO] [stdout]    |     ------   ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` 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 `value` is never read
[INFO] [stdout]   --> src/lex.rs:32:16
[INFO] [stdout]    |
[INFO] [stdout] 32 |     OPERATOR { value: char }
[INFO] [stdout]    |     --------   ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `message` and `position` are never read
[INFO] [stdout]   --> src/lex.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub struct TokenError {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 43 |     message: &'static str,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 44 |     position: Position
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `line` and `column` are never read
[INFO] [stdout]  --> src/lex.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Position {
[INFO] [stdout]   |            -------- fields in this struct
[INFO] [stdout] 4 |     pub line: usize,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 5 |     pub column: usize
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Position` 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: fields `token` and `position` are never read
[INFO] [stdout]   --> src/lex.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct TokenInfo {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 19 |     pub token: Token,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 20 |     pub position: Position
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenInfo` 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 `value` is never read
[INFO] [stdout]   --> src/lex.rs:31:14
[INFO] [stdout]    |
[INFO] [stdout] 31 |     NUMBER { value: i32 },
[INFO] [stdout]    |     ------   ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` 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 `value` is never read
[INFO] [stdout]   --> src/lex.rs:32:16
[INFO] [stdout]    |
[INFO] [stdout] 32 |     OPERATOR { value: char }
[INFO] [stdout]    |     --------   ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `message` and `position` are never read
[INFO] [stdout]   --> src/lex.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub struct TokenError {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 43 |     message: &'static str,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 44 |     position: Position
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenError` 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 0.16s
[INFO] running `Command { std: "docker" "inspect" "95c63b88714a8c68ce37257b3f40991f51029169ca3c4dcc76e69c4f2b24dd3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95c63b88714a8c68ce37257b3f40991f51029169ca3c4dcc76e69c4f2b24dd3f", kill_on_drop: false }`
[INFO] [stdout] 95c63b88714a8c68ce37257b3f40991f51029169ca3c4dcc76e69c4f2b24dd3f