[INFO] cloning repository https://github.com/zsakowitz/advanced_parser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zsakowitz/advanced_parser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzsakowitz%2Fadvanced_parser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzsakowitz%2Fadvanced_parser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ca975d44336be3ff55cd1bbe0261bf8ca57d1cc3
[INFO] checking zsakowitz/advanced_parser against master#64b185eddaa1d7ddf5e0c024be23b9cbba6c1722 for pr-143929
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzsakowitz%2Fadvanced_parser" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/zsakowitz/advanced_parser
[INFO] finished tweaking git repo https://github.com/zsakowitz/advanced_parser
[INFO] tweaked toml for git repo https://github.com/zsakowitz/advanced_parser written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/zsakowitz/advanced_parser on toolchain 64b185eddaa1d7ddf5e0c024be23b9cbba6c1722
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+64b185eddaa1d7ddf5e0c024be23b9cbba6c1722" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/zsakowitz/advanced_parser 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" "+64b185eddaa1d7ddf5e0c024be23b9cbba6c1722" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vec1 v1.10.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+64b185eddaa1d7ddf5e0c024be23b9cbba6c1722" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f8718fc07915cb9ed461bca657df2d0eb3499bfafadc2c403c4e5cdcc90b932
[INFO] running `Command { std: "docker" "start" "-a" "6f8718fc07915cb9ed461bca657df2d0eb3499bfafadc2c403c4e5cdcc90b932", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f8718fc07915cb9ed461bca657df2d0eb3499bfafadc2c403c4e5cdcc90b932", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f8718fc07915cb9ed461bca657df2d0eb3499bfafadc2c403c4e5cdcc90b932", kill_on_drop: false }`
[INFO] [stdout] 6f8718fc07915cb9ed461bca657df2d0eb3499bfafadc2c403c4e5cdcc90b932
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+64b185eddaa1d7ddf5e0c024be23b9cbba6c1722" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9de23ba727a20ecb98b85c5fbaf25ee7cd5248ddd335cc6e871ee77aeb44f3d
[INFO] running `Command { std: "docker" "start" "-a" "a9de23ba727a20ecb98b85c5fbaf25ee7cd5248ddd335cc6e871ee77aeb44f3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking vec1 v1.10.1
[INFO] [stderr]     Checking quote v1.0.33
[INFO] [stderr]     Checking syn v2.0.38
[INFO] [stderr]     Checking parser_macro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `eq_token` is never read
[INFO] [stdout]   --> src/item.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct Item {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub eq_token: Token![=],
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Item` has a derived impl for the trait `Clone`, 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: field `eq_token` is never read
[INFO] [stdout]   --> src/item.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct Item {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub eq_token: Token![=],
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Item` has a derived impl for the trait `Clone`, 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: field `eq_token` is never read
[INFO] [stdout]   --> src/item.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct Item {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub eq_token: Token![=],
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Item` has a derived impl for the trait `Clone`, 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: field `0` is never read
[INFO] [stdout]   --> examples/hello_world.rs:26:40
[INFO] [stdout]    |
[INFO] [stdout] 25 |     AddSub = (MultDiv (Spaces ('+' / '-') Spaces MultDiv)*
[INFO] [stdout]    |     ------ field in this struct
[INFO] [stdout] 26 |         as |(MultDiv(first), rest)| -> u32 {
[INFO] [stdout]    |                                        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `AddSub` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.97s
[INFO] running `Command { std: "docker" "inspect" "a9de23ba727a20ecb98b85c5fbaf25ee7cd5248ddd335cc6e871ee77aeb44f3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9de23ba727a20ecb98b85c5fbaf25ee7cd5248ddd335cc6e871ee77aeb44f3d", kill_on_drop: false }`
[INFO] [stdout] a9de23ba727a20ecb98b85c5fbaf25ee7cd5248ddd335cc6e871ee77aeb44f3d