[INFO] fetching crate syntax-rs 1.1.1...
[INFO] testing syntax-rs-1.1.1 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate syntax-rs 1.1.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate syntax-rs 1.1.1
[INFO] finished tweaking crates.io crate syntax-rs 1.1.1
[INFO] tweaked toml for crates.io crate syntax-rs 1.1.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate syntax-rs 1.1.1 on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate syntax-rs 1.1.1 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" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b29bfc9fd26d3e4ebd69733109a768daf38a1c4be502bd82eb2e8c72251c261b
[INFO] running `Command { std: "docker" "start" "-a" "b29bfc9fd26d3e4ebd69733109a768daf38a1c4be502bd82eb2e8c72251c261b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b29bfc9fd26d3e4ebd69733109a768daf38a1c4be502bd82eb2e8c72251c261b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b29bfc9fd26d3e4ebd69733109a768daf38a1c4be502bd82eb2e8c72251c261b", kill_on_drop: false }`
[INFO] [stdout] b29bfc9fd26d3e4ebd69733109a768daf38a1c4be502bd82eb2e8c72251c261b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a46809cfd3e59b214b1a0a82654157fae3efae5cf646ea579a4484cb10dd8386
[INFO] running `Command { std: "docker" "start" "-a" "a46809cfd3e59b214b1a0a82654157fae3efae5cf646ea579a4484cb10dd8386", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling syntax-rs v1.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:33:28
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn parse_stream(input: &str) -> ParseStream {
[INFO] [stdout]    |                            ^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn parse_stream(input: &str) -> ParseStream<'_> {
[INFO] [stdout]    |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "a46809cfd3e59b214b1a0a82654157fae3efae5cf646ea579a4484cb10dd8386", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a46809cfd3e59b214b1a0a82654157fae3efae5cf646ea579a4484cb10dd8386", kill_on_drop: false }`
[INFO] [stdout] a46809cfd3e59b214b1a0a82654157fae3efae5cf646ea579a4484cb10dd8386
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e77fb929b4e1e38e6ea62c81c400790de7e75e986d6cee433734d62e21287aca
[INFO] running `Command { std: "docker" "start" "-a" "e77fb929b4e1e38e6ea62c81c400790de7e75e986d6cee433734d62e21287aca", kill_on_drop: false }`
[INFO] [stderr]    Compiling syntax-rs v1.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:33:28
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn parse_stream(input: &str) -> ParseStream {
[INFO] [stdout]    |                            ^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn parse_stream(input: &str) -> ParseStream<'_> {
[INFO] [stdout]    |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:33:28
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn parse_stream(input: &str) -> ParseStream {
[INFO] [stdout]    |                            ^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn parse_stream(input: &str) -> ParseStream<'_> {
[INFO] [stdout]    |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]  --> examples/tokenizer.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct LitInt {
[INFO] [stdout]   |        ------ field in this struct
[INFO] [stdout] 9 |     value: i64,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `LitInt` 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: field `val` is never read
[INFO] [stdout]   --> examples/tokenizer.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | struct LitStr {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 43 |     val: String,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LitStr` 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 `0` is never read
[INFO] [stdout]   --> examples/tokenizer.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |     Int(LitInt),
[INFO] [stdout]    |     --- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Literal` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 63 -     Int(LitInt),
[INFO] [stdout] 63 +     Int(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> examples/tokenizer.rs:64:12
[INFO] [stdout]    |
[INFO] [stdout] 64 |     String(LitStr),
[INFO] [stdout]    |     ------ ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Literal` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 64 -     String(LitStr),
[INFO] [stdout] 64 +     String(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> examples/tokenizer.rs:127:11
[INFO] [stdout]     |
[INFO] [stdout] 127 |     Ident(Ident),
[INFO] [stdout]     |     ----- ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Symbol` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 127 -     Ident(Ident),
[INFO] [stdout] 127 +     Ident(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> examples/tokenizer.rs:176:17
[INFO] [stdout]     |
[INFO] [stdout] 176 |     Punctuation(Punctuation),
[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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 176 -     Punctuation(Punctuation),
[INFO] [stdout] 176 +     Punctuation(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> examples/tokenizer.rs:177:13
[INFO] [stdout]     |
[INFO] [stdout] 177 |     Literal(Literal),
[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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 177 -     Literal(Literal),
[INFO] [stdout] 177 +     Literal(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> examples/tokenizer.rs:178:12
[INFO] [stdout]     |
[INFO] [stdout] 178 |     Symbol(Symbol),
[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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 178 -     Symbol(Symbol),
[INFO] [stdout] 178 +     Symbol(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "e77fb929b4e1e38e6ea62c81c400790de7e75e986d6cee433734d62e21287aca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e77fb929b4e1e38e6ea62c81c400790de7e75e986d6cee433734d62e21287aca", kill_on_drop: false }`
[INFO] [stdout] e77fb929b4e1e38e6ea62c81c400790de7e75e986d6cee433734d62e21287aca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 18bb8488166e3ae425eea3d30c12a88752f24c94ddf562dc3248ae367bcba51e
[INFO] running `Command { std: "docker" "start" "-a" "18bb8488166e3ae425eea3d30c12a88752f24c94ddf562dc3248ae367bcba51e", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/lib.rs:33:28
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub fn parse_stream(input: &str) -> ParseStream {
[INFO] [stderr]    |                            ^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                            |
[INFO] [stderr]    |                            the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub fn parse_stream(input: &str) -> ParseStream<'_> {
[INFO] [stderr]    |                                                ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `syntax-rs` (lib) generated 1 warning (run `cargo fix --lib -p syntax-rs` to apply 1 suggestion)
[INFO] [stderr] warning: `syntax-rs` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr] warning: field `value` is never read
[INFO] [stderr]  --> examples/tokenizer.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | struct LitInt {
[INFO] [stderr]   |        ------ field in this struct
[INFO] [stderr] 9 |     value: i64,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `LitInt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `val` is never read
[INFO] [stderr]   --> examples/tokenizer.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 42 | struct LitStr {
[INFO] [stderr]    |        ------ field in this struct
[INFO] [stderr] 43 |     val: String,
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `LitStr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> examples/tokenizer.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 63 |     Int(LitInt),
[INFO] [stderr]    |     --- ^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Literal` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 63 -     Int(LitInt),
[INFO] [stderr] 63 +     Int(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> examples/tokenizer.rs:64:12
[INFO] [stderr]    |
[INFO] [stderr] 64 |     String(LitStr),
[INFO] [stderr]    |     ------ ^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Literal` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 64 -     String(LitStr),
[INFO] [stderr] 64 +     String(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> examples/tokenizer.rs:127:11
[INFO] [stderr]     |
[INFO] [stderr] 127 |     Ident(Ident),
[INFO] [stderr]     |     ----- ^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Symbol` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 127 -     Ident(Ident),
[INFO] [stderr] 127 +     Ident(()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> examples/tokenizer.rs:176:17
[INFO] [stderr]     |
[INFO] [stderr] 176 |     Punctuation(Punctuation),
[INFO] [stderr]     |     ----------- ^^^^^^^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 176 -     Punctuation(Punctuation),
[INFO] [stderr] 176 +     Punctuation(()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> examples/tokenizer.rs:177:13
[INFO] [stderr]     |
[INFO] [stderr] 177 |     Literal(Literal),
[INFO] [stderr]     |     ------- ^^^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 177 -     Literal(Literal),
[INFO] [stderr] 177 +     Literal(()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> examples/tokenizer.rs:178:12
[INFO] [stderr]     |
[INFO] [stderr] 178 |     Symbol(Symbol),
[INFO] [stderr]     |     ------ ^^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 178 -     Symbol(Symbol),
[INFO] [stderr] 178 +     Symbol(()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `syntax-rs` (example "tokenizer") generated 8 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/syntax_rs-9d4b99664dc65575)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests syntax_rs
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "18bb8488166e3ae425eea3d30c12a88752f24c94ddf562dc3248ae367bcba51e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18bb8488166e3ae425eea3d30c12a88752f24c94ddf562dc3248ae367bcba51e", kill_on_drop: false }`
[INFO] [stdout] 18bb8488166e3ae425eea3d30c12a88752f24c94ddf562dc3248ae367bcba51e
