[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 try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzsakowitz%2Fadvanced_parser" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/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-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/zsakowitz/advanced_parser on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bcfb01efd85f80fe3441743e5303bac8745d650d4e4a4b0516ef60cc9e886c2e
[INFO] running `Command { std: "docker" "start" "-a" "bcfb01efd85f80fe3441743e5303bac8745d650d4e4a4b0516ef60cc9e886c2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcfb01efd85f80fe3441743e5303bac8745d650d4e4a4b0516ef60cc9e886c2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcfb01efd85f80fe3441743e5303bac8745d650d4e4a4b0516ef60cc9e886c2e", kill_on_drop: false }`
[INFO] [stdout] bcfb01efd85f80fe3441743e5303bac8745d650d4e4a4b0516ef60cc9e886c2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f753908d8fb8858ce0dd7bf33d25981efcde6a21dca200e68d3d1ea65659c1b
[INFO] running `Command { std: "docker" "start" "-a" "4f753908d8fb8858ce0dd7bf33d25981efcde6a21dca200e68d3d1ea65659c1b", 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]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `Text` is never constructed
[INFO] [stdout]  --> examples/parser.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Text<'a>(&'a str);
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]   = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `Maybe` is never constructed
[INFO] [stdout]   --> examples/parser.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Maybe<T>(T);
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `ZeroOrMore` is never constructed
[INFO] [stdout]   --> examples/parser.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct ZeroOrMore<T>(T);
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `OneOrMore` is never constructed
[INFO] [stdout]   --> examples/parser.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub struct OneOrMore<T>(T);
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `parser_macro` (example "parser") due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4f753908d8fb8858ce0dd7bf33d25981efcde6a21dca200e68d3d1ea65659c1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f753908d8fb8858ce0dd7bf33d25981efcde6a21dca200e68d3d1ea65659c1b", kill_on_drop: false }`
[INFO] [stdout] 4f753908d8fb8858ce0dd7bf33d25981efcde6a21dca200e68d3d1ea65659c1b
