[INFO] cloning repository https://github.com/luojia65/software-security-homework
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luojia65/software-security-homework" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluojia65%2Fsoftware-security-homework", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluojia65%2Fsoftware-security-homework'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5b57e438ec5fb8da00f7aae83a20bc734d55e63c
[INFO] checking luojia65/software-security-homework against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluojia65%2Fsoftware-security-homework" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/luojia65/software-security-homework
[INFO] finished tweaking git repo https://github.com/luojia65/software-security-homework
[INFO] tweaked toml for git repo https://github.com/luojia65/software-security-homework written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/luojia65/software-security-homework on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/luojia65/software-security-homework 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hermit-abi v0.1.15
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.9
[INFO] [stderr]   Downloaded clap v2.33.3
[INFO] [stderr]   Downloaded libc v0.2.77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44082250f9e61d402d0e8b792dd63539584da6b162c80d3bca26553b0fedd60c
[INFO] running `Command { std: "docker" "start" "-a" "44082250f9e61d402d0e8b792dd63539584da6b162c80d3bca26553b0fedd60c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44082250f9e61d402d0e8b792dd63539584da6b162c80d3bca26553b0fedd60c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44082250f9e61d402d0e8b792dd63539584da6b162c80d3bca26553b0fedd60c", kill_on_drop: false }`
[INFO] [stdout] 44082250f9e61d402d0e8b792dd63539584da6b162c80d3bca26553b0fedd60c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6ca1030f3ffa91dee0b35ff037af25e1fe6a79ef8b230c5108a06f9f8802592
[INFO] running `Command { std: "docker" "start" "-a" "c6ca1030f3ffa91dee0b35ff037af25e1fe6a79ef8b230c5108a06f9f8802592", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking software-security-homework v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> examples/char-test-1.rs:118:21
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub fn items(input: &str) -> Items {
[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] 118 | pub fn items(input: &str) -> Items<'_> {
[INFO] [stdout]     |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/r3.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 |     StringLiteral(&'a str),
[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]   = note: `#[warn(dead_code)]` on by default
[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] 7 -     StringLiteral(&'a str),
[INFO] [stdout] 7 +     StringLiteral(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/r3.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Number(&'a str),
[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] 8 -     Number(&'a str),
[INFO] [stdout] 8 +     Number(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]    --> src/r3.rs:147:5
[INFO] [stdout]     |
[INFO] [stdout] 146 | pub struct Type<'a> {
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] 147 |     name: &'a str,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Type` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Operator` is never constructed
[INFO] [stdout]    --> src/r3.rs:156:12
[INFO] [stdout]     |
[INFO] [stdout] 156 | pub struct Operator<'a> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ret_type` and `params` are never read
[INFO] [stdout]    --> src/r3.rs:238:5
[INFO] [stdout]     |
[INFO] [stdout] 237 | pub struct Function<'a> {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 238 |     ret_type: Type<'a>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 239 |     ident: Ident<'a>,
[INFO] [stdout] 240 |     params: Expr<'a>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Function` 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 `name` is never read
[INFO] [stdout]    --> src/r4.rs:147:5
[INFO] [stdout]     |
[INFO] [stdout] 146 | pub struct Type<'a> {
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] 147 |     name: &'a str,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Type` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Operator` is never constructed
[INFO] [stdout]    --> src/r4.rs:156:12
[INFO] [stdout]     |
[INFO] [stdout] 156 | pub struct Operator<'a> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ret_type`, `ident`, and `params` are never read
[INFO] [stdout]    --> src/r4.rs:238:5
[INFO] [stdout]     |
[INFO] [stdout] 237 | pub struct Function<'a> {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 238 |     ret_type: Type<'a>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 239 |     ident: Ident<'a>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 240 |     params: Expr<'a>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Function` 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 `name` is never read
[INFO] [stdout]    --> src/r5.rs:145:5
[INFO] [stdout]     |
[INFO] [stdout] 144 | pub struct Type<'a> {
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] 145 |     name: &'a str,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Type` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Operator` is never constructed
[INFO] [stdout]    --> src/r5.rs:154:12
[INFO] [stdout]     |
[INFO] [stdout] 154 | pub struct Operator<'a> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ret_type`, `ident`, and `params` are never read
[INFO] [stdout]    --> src/r5.rs:236:5
[INFO] [stdout]     |
[INFO] [stdout] 235 | pub struct Function<'a> {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 236 |     ret_type: Type<'a>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 237 |     ident: Ident<'a>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 238 |     params: Expr<'a>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Function` 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]  --> src/a1.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 |     StringLiteral(&'a str),
[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] 7 -     StringLiteral(&'a str),
[INFO] [stdout] 7 +     StringLiteral(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/a1.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Number(&'a str),
[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] 8 -     Number(&'a str),
[INFO] [stdout] 8 +     Number(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]    --> src/a1.rs:147:5
[INFO] [stdout]     |
[INFO] [stdout] 146 | pub struct Type<'a> {
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] 147 |     name: &'a str,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Type` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Operator` is never constructed
[INFO] [stdout]    --> src/a1.rs:156:12
[INFO] [stdout]     |
[INFO] [stdout] 156 | pub struct Operator<'a> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ret_type` and `params` are never read
[INFO] [stdout]    --> src/a1.rs:226:5
[INFO] [stdout]     |
[INFO] [stdout] 225 | pub struct Function<'a> {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 226 |     ret_type: Type<'a>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 227 |     ident: Ident<'a>,
[INFO] [stdout] 228 |     params: Expr<'a>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Function` 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 `name` is never read
[INFO] [stdout]    --> src/b2.rs:147:5
[INFO] [stdout]     |
[INFO] [stdout] 146 | pub struct Type<'a> {
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] 147 |     name: &'a str,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Type` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Operator` is never constructed
[INFO] [stdout]    --> src/b2.rs:156:12
[INFO] [stdout]     |
[INFO] [stdout] 156 | pub struct Operator<'a> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ret_type` and `ident` are never read
[INFO] [stdout]    --> src/b2.rs:238:5
[INFO] [stdout]     |
[INFO] [stdout] 237 | pub struct Function<'a> {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 238 |     ret_type: Type<'a>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 239 |     ident: Ident<'a>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Function` 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 `idx` is never read
[INFO] [stdout]    --> src/b2.rs:294:5
[INFO] [stdout]     |
[INFO] [stdout] 293 | pub struct Line<'a> {
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] 294 |     idx: usize, 
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Line` 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 `name` is never read
[INFO] [stdout]    --> src/b4.rs:148:5
[INFO] [stdout]     |
[INFO] [stdout] 147 | pub struct Type<'a> {
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] 148 |     name: &'a str,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Type` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Operator` is never constructed
[INFO] [stdout]    --> src/b4.rs:157:12
[INFO] [stdout]     |
[INFO] [stdout] 157 | pub struct Operator<'a> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ret_type` and `ident` are never read
[INFO] [stdout]    --> src/b4.rs:239:5
[INFO] [stdout]     |
[INFO] [stdout] 238 | pub struct Function<'a> {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 239 |     ret_type: Type<'a>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 240 |     ident: Ident<'a>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Function` 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 `idx` is never read
[INFO] [stdout]    --> src/b4.rs:295:5
[INFO] [stdout]     |
[INFO] [stdout] 294 | pub struct Line<'a> {
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] 295 |     idx: usize, 
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Line` 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 `name` is never read
[INFO] [stdout]    --> src/b5.rs:148:5
[INFO] [stdout]     |
[INFO] [stdout] 147 | pub struct Type<'a> {
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] 148 |     name: &'a str,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Type` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Operator` is never constructed
[INFO] [stdout]    --> src/b5.rs:157:12
[INFO] [stdout]     |
[INFO] [stdout] 157 | pub struct Operator<'a> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ret_type` and `params` are never read
[INFO] [stdout]    --> src/b5.rs:239:5
[INFO] [stdout]     |
[INFO] [stdout] 238 | pub struct Function<'a> {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 239 |     ret_type: Type<'a>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 240 |     ident: Ident<'a>,
[INFO] [stdout] 241 |     params: Expr<'a>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Function` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/r2.rs:114:21
[INFO] [stdout]     |
[INFO] [stdout] 114 | pub fn items(input: &str) -> Items {
[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] 114 | pub fn items(input: &str) -> Items<'_> {
[INFO] [stdout]     |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/r3.rs:307:14
[INFO] [stdout]     |
[INFO] [stdout] 307 | fn tokens(a: &str) -> Tokens {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 307 | fn tokens(a: &str) -> Tokens<'_> {
[INFO] [stdout]     |                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/r4.rs:279:14
[INFO] [stdout]     |
[INFO] [stdout] 279 | fn tokens(a: &str) -> Tokens {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 279 | fn tokens(a: &str) -> Tokens<'_> {
[INFO] [stdout]     |                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/r5.rs:277:14
[INFO] [stdout]     |
[INFO] [stdout] 277 | fn tokens(a: &str) -> Tokens {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 277 | fn tokens(a: &str) -> Tokens<'_> {
[INFO] [stdout]     |                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/a1.rs:282:14
[INFO] [stdout]     |
[INFO] [stdout] 282 | fn tokens(a: &str) -> Tokens {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 282 | fn tokens(a: &str) -> Tokens<'_> {
[INFO] [stdout]     |                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/b2.rs:279:14
[INFO] [stdout]     |
[INFO] [stdout] 279 | fn tokens(a: &str) -> Tokens {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 279 | fn tokens(a: &str) -> Tokens<'_> {
[INFO] [stdout]     |                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/b3.rs:280:14
[INFO] [stdout]     |
[INFO] [stdout] 280 | fn tokens(a: &str) -> Tokens {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 280 | fn tokens(a: &str) -> Tokens<'_> {
[INFO] [stdout]     |                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/b4.rs:280:14
[INFO] [stdout]     |
[INFO] [stdout] 280 | fn tokens(a: &str) -> Tokens {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 280 | fn tokens(a: &str) -> Tokens<'_> {
[INFO] [stdout]     |                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/b5.rs:280:14
[INFO] [stdout]     |
[INFO] [stdout] 280 | fn tokens(a: &str) -> Tokens {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 280 | fn tokens(a: &str) -> Tokens<'_> {
[INFO] [stdout]     |                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/r3.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 |     StringLiteral(&'a str),
[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]   = note: `#[warn(dead_code)]` on by default
[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] 7 -     StringLiteral(&'a str),
[INFO] [stdout] 7 +     StringLiteral(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/r3.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Number(&'a str),
[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] 8 -     Number(&'a str),
[INFO] [stdout] 8 +     Number(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]    --> src/r3.rs:147:5
[INFO] [stdout]     |
[INFO] [stdout] 146 | pub struct Type<'a> {
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] 147 |     name: &'a str,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Type` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Operator` is never constructed
[INFO] [stdout]    --> src/r3.rs:156:12
[INFO] [stdout]     |
[INFO] [stdout] 156 | pub struct Operator<'a> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ret_type` and `params` are never read
[INFO] [stdout]    --> src/r3.rs:238:5
[INFO] [stdout]     |
[INFO] [stdout] 237 | pub struct Function<'a> {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 238 |     ret_type: Type<'a>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 239 |     ident: Ident<'a>,
[INFO] [stdout] 240 |     params: Expr<'a>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Function` 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 `name` is never read
[INFO] [stdout]    --> src/r4.rs:147:5
[INFO] [stdout]     |
[INFO] [stdout] 146 | pub struct Type<'a> {
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] 147 |     name: &'a str,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Type` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Operator` is never constructed
[INFO] [stdout]    --> src/r4.rs:156:12
[INFO] [stdout]     |
[INFO] [stdout] 156 | pub struct Operator<'a> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ret_type`, `ident`, and `params` are never read
[INFO] [stdout]    --> src/r4.rs:238:5
[INFO] [stdout]     |
[INFO] [stdout] 237 | pub struct Function<'a> {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 238 |     ret_type: Type<'a>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 239 |     ident: Ident<'a>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 240 |     params: Expr<'a>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Function` 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 `name` is never read
[INFO] [stdout]    --> src/r5.rs:145:5
[INFO] [stdout]     |
[INFO] [stdout] 144 | pub struct Type<'a> {
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] 145 |     name: &'a str,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Type` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Operator` is never constructed
[INFO] [stdout]    --> src/r5.rs:154:12
[INFO] [stdout]     |
[INFO] [stdout] 154 | pub struct Operator<'a> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ret_type`, `ident`, and `params` are never read
[INFO] [stdout]    --> src/r5.rs:236:5
[INFO] [stdout]     |
[INFO] [stdout] 235 | pub struct Function<'a> {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 236 |     ret_type: Type<'a>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 237 |     ident: Ident<'a>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 238 |     params: Expr<'a>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Function` 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]  --> src/a1.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 |     StringLiteral(&'a str),
[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] 7 -     StringLiteral(&'a str),
[INFO] [stdout] 7 +     StringLiteral(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/a1.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Number(&'a str),
[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] 8 -     Number(&'a str),
[INFO] [stdout] 8 +     Number(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]    --> src/a1.rs:147:5
[INFO] [stdout]     |
[INFO] [stdout] 146 | pub struct Type<'a> {
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] 147 |     name: &'a str,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Type` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Operator` is never constructed
[INFO] [stdout]    --> src/a1.rs:156:12
[INFO] [stdout]     |
[INFO] [stdout] 156 | pub struct Operator<'a> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ret_type` and `params` are never read
[INFO] [stdout]    --> src/a1.rs:226:5
[INFO] [stdout]     |
[INFO] [stdout] 225 | pub struct Function<'a> {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 226 |     ret_type: Type<'a>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 227 |     ident: Ident<'a>,
[INFO] [stdout] 228 |     params: Expr<'a>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Function` 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 `name` is never read
[INFO] [stdout]    --> src/b2.rs:147:5
[INFO] [stdout]     |
[INFO] [stdout] 146 | pub struct Type<'a> {
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] 147 |     name: &'a str,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Type` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Operator` is never constructed
[INFO] [stdout]    --> src/b2.rs:156:12
[INFO] [stdout]     |
[INFO] [stdout] 156 | pub struct Operator<'a> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ret_type` and `ident` are never read
[INFO] [stdout]    --> src/b2.rs:238:5
[INFO] [stdout]     |
[INFO] [stdout] 237 | pub struct Function<'a> {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 238 |     ret_type: Type<'a>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 239 |     ident: Ident<'a>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Function` 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 `idx` is never read
[INFO] [stdout]    --> src/b2.rs:294:5
[INFO] [stdout]     |
[INFO] [stdout] 293 | pub struct Line<'a> {
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] 294 |     idx: usize, 
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Line` 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 `name` is never read
[INFO] [stdout]    --> src/b4.rs:148:5
[INFO] [stdout]     |
[INFO] [stdout] 147 | pub struct Type<'a> {
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] 148 |     name: &'a str,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Type` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Operator` is never constructed
[INFO] [stdout]    --> src/b4.rs:157:12
[INFO] [stdout]     |
[INFO] [stdout] 157 | pub struct Operator<'a> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ret_type` and `ident` are never read
[INFO] [stdout]    --> src/b4.rs:239:5
[INFO] [stdout]     |
[INFO] [stdout] 238 | pub struct Function<'a> {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 239 |     ret_type: Type<'a>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 240 |     ident: Ident<'a>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Function` 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 `idx` is never read
[INFO] [stdout]    --> src/b4.rs:295:5
[INFO] [stdout]     |
[INFO] [stdout] 294 | pub struct Line<'a> {
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] 295 |     idx: usize, 
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Line` 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 `name` is never read
[INFO] [stdout]    --> src/b5.rs:148:5
[INFO] [stdout]     |
[INFO] [stdout] 147 | pub struct Type<'a> {
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] 148 |     name: &'a str,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Type` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Operator` is never constructed
[INFO] [stdout]    --> src/b5.rs:157:12
[INFO] [stdout]     |
[INFO] [stdout] 157 | pub struct Operator<'a> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ret_type` and `params` are never read
[INFO] [stdout]    --> src/b5.rs:239:5
[INFO] [stdout]     |
[INFO] [stdout] 238 | pub struct Function<'a> {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 239 |     ret_type: Type<'a>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 240 |     ident: Ident<'a>,
[INFO] [stdout] 241 |     params: Expr<'a>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Function` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/r2.rs:114:21
[INFO] [stdout]     |
[INFO] [stdout] 114 | pub fn items(input: &str) -> Items {
[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] 114 | pub fn items(input: &str) -> Items<'_> {
[INFO] [stdout]     |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/r3.rs:307:14
[INFO] [stdout]     |
[INFO] [stdout] 307 | fn tokens(a: &str) -> Tokens {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 307 | fn tokens(a: &str) -> Tokens<'_> {
[INFO] [stdout]     |                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/r4.rs:279:14
[INFO] [stdout]     |
[INFO] [stdout] 279 | fn tokens(a: &str) -> Tokens {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 279 | fn tokens(a: &str) -> Tokens<'_> {
[INFO] [stdout]     |                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/r5.rs:277:14
[INFO] [stdout]     |
[INFO] [stdout] 277 | fn tokens(a: &str) -> Tokens {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 277 | fn tokens(a: &str) -> Tokens<'_> {
[INFO] [stdout]     |                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/a1.rs:282:14
[INFO] [stdout]     |
[INFO] [stdout] 282 | fn tokens(a: &str) -> Tokens {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 282 | fn tokens(a: &str) -> Tokens<'_> {
[INFO] [stdout]     |                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/b2.rs:279:14
[INFO] [stdout]     |
[INFO] [stdout] 279 | fn tokens(a: &str) -> Tokens {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 279 | fn tokens(a: &str) -> Tokens<'_> {
[INFO] [stdout]     |                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/b3.rs:280:14
[INFO] [stdout]     |
[INFO] [stdout] 280 | fn tokens(a: &str) -> Tokens {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 280 | fn tokens(a: &str) -> Tokens<'_> {
[INFO] [stdout]     |                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/b4.rs:280:14
[INFO] [stdout]     |
[INFO] [stdout] 280 | fn tokens(a: &str) -> Tokens {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 280 | fn tokens(a: &str) -> Tokens<'_> {
[INFO] [stdout]     |                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/b5.rs:280:14
[INFO] [stdout]     |
[INFO] [stdout] 280 | fn tokens(a: &str) -> Tokens {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 280 | fn tokens(a: &str) -> Tokens<'_> {
[INFO] [stdout]     |                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.41s
[INFO] running `Command { std: "docker" "inspect" "c6ca1030f3ffa91dee0b35ff037af25e1fe6a79ef8b230c5108a06f9f8802592", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6ca1030f3ffa91dee0b35ff037af25e1fe6a79ef8b230c5108a06f9f8802592", kill_on_drop: false }`
[INFO] [stdout] c6ca1030f3ffa91dee0b35ff037af25e1fe6a79ef8b230c5108a06f9f8802592