[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] testing luojia65/software-security-homework against 1.95.0 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluojia65%2Fsoftware-security-homework" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-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-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/luojia65/software-security-homework on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c966797faed0c918e7f4999fb1b9053ba25149382745a1aef36c6b926fc0173c
[INFO] running `Command { std: "docker" "start" "-a" "c966797faed0c918e7f4999fb1b9053ba25149382745a1aef36c6b926fc0173c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c966797faed0c918e7f4999fb1b9053ba25149382745a1aef36c6b926fc0173c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c966797faed0c918e7f4999fb1b9053ba25149382745a1aef36c6b926fc0173c", kill_on_drop: false }`
[INFO] [stdout] c966797faed0c918e7f4999fb1b9053ba25149382745a1aef36c6b926fc0173c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd79aa2f6abf26bd6ad3e8d5f3a0ae06fa86d9cd73d4f81fe4407f0d8a3695fa
[INFO] running `Command { std: "docker" "start" "-a" "fd79aa2f6abf26bd6ad3e8d5f3a0ae06fa86d9cd73d4f81fe4407f0d8a3695fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling software-security-homework v0.1.0 (/opt/rustwide/workdir)
[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)]` (part of `#[warn(unused)]`) 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 6.96s
[INFO] running `Command { std: "docker" "inspect" "fd79aa2f6abf26bd6ad3e8d5f3a0ae06fa86d9cd73d4f81fe4407f0d8a3695fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd79aa2f6abf26bd6ad3e8d5f3a0ae06fa86d9cd73d4f81fe4407f0d8a3695fa", kill_on_drop: false }`
[INFO] [stdout] fd79aa2f6abf26bd6ad3e8d5f3a0ae06fa86d9cd73d4f81fe4407f0d8a3695fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.95.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6482614f6819ee7c4c7299d5b20a5d60cfb4c549e94e33cb41f8299121e734b
[INFO] running `Command { std: "docker" "start" "-a" "f6482614f6819ee7c4c7299d5b20a5d60cfb4c549e94e33cb41f8299121e734b", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) 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 `test` profile [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `Command { std: "docker" "inspect" "f6482614f6819ee7c4c7299d5b20a5d60cfb4c549e94e33cb41f8299121e734b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6482614f6819ee7c4c7299d5b20a5d60cfb4c549e94e33cb41f8299121e734b", kill_on_drop: false }`
[INFO] [stdout] f6482614f6819ee7c4c7299d5b20a5d60cfb4c549e94e33cb41f8299121e734b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.95.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 24d13dfa9a920ed5db219ed472c1999ba20d9f93b59c59f149f21ddbe1736a3e
[INFO] running `Command { std: "docker" "start" "-a" "24d13dfa9a920ed5db219ed472c1999ba20d9f93b59c59f149f21ddbe1736a3e", kill_on_drop: false }`
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> src/r3.rs:7:19
[INFO] [stderr]   |
[INFO] [stderr] 7 |     StringLiteral(&'a str),
[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]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[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] 7 -     StringLiteral(&'a str),
[INFO] [stderr] 7 +     StringLiteral(()),
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> src/r3.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Number(&'a str),
[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] 8 -     Number(&'a str),
[INFO] [stderr] 8 +     Number(()),
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: field `name` is never read
[INFO] [stderr]    --> src/r3.rs:147:5
[INFO] [stderr]     |
[INFO] [stderr] 146 | pub struct Type<'a> {
[INFO] [stderr]     |            ---- field in this struct
[INFO] [stderr] 147 |     name: &'a str,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Type` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Operator` is never constructed
[INFO] [stderr]    --> src/r3.rs:156:12
[INFO] [stderr]     |
[INFO] [stderr] 156 | pub struct Operator<'a> {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `ret_type` and `params` are never read
[INFO] [stderr]    --> src/r3.rs:238:5
[INFO] [stderr]     |
[INFO] [stderr] 237 | pub struct Function<'a> {
[INFO] [stderr]     |            -------- fields in this struct
[INFO] [stderr] 238 |     ret_type: Type<'a>,
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr] 239 |     ident: Ident<'a>,
[INFO] [stderr] 240 |     params: Expr<'a>,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Function` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `name` is never read
[INFO] [stderr]    --> src/r4.rs:147:5
[INFO] [stderr]     |
[INFO] [stderr] 146 | pub struct Type<'a> {
[INFO] [stderr]     |            ---- field in this struct
[INFO] [stderr] 147 |     name: &'a str,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Type` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Operator` is never constructed
[INFO] [stderr]    --> src/r4.rs:156:12
[INFO] [stderr]     |
[INFO] [stderr] 156 | pub struct Operator<'a> {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `ret_type`, `ident`, and `params` are never read
[INFO] [stderr]    --> src/r4.rs:238:5
[INFO] [stderr]     |
[INFO] [stderr] 237 | pub struct Function<'a> {
[INFO] [stderr]     |            -------- fields in this struct
[INFO] [stderr] 238 |     ret_type: Type<'a>,
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr] 239 |     ident: Ident<'a>,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr] 240 |     params: Expr<'a>,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Function` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `name` is never read
[INFO] [stderr]    --> src/r5.rs:145:5
[INFO] [stderr]     |
[INFO] [stderr] 144 | pub struct Type<'a> {
[INFO] [stderr]     |            ---- field in this struct
[INFO] [stderr] 145 |     name: &'a str,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Type` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Operator` is never constructed
[INFO] [stderr]    --> src/r5.rs:154:12
[INFO] [stderr]     |
[INFO] [stderr] 154 | pub struct Operator<'a> {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `ret_type`, `ident`, and `params` are never read
[INFO] [stderr]    --> src/r5.rs:236:5
[INFO] [stderr]     |
[INFO] [stderr] 235 | pub struct Function<'a> {
[INFO] [stderr]     |            -------- fields in this struct
[INFO] [stderr] 236 |     ret_type: Type<'a>,
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr] 237 |     ident: Ident<'a>,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr] 238 |     params: Expr<'a>,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Function` 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]  --> src/a1.rs:7:19
[INFO] [stderr]   |
[INFO] [stderr] 7 |     StringLiteral(&'a str),
[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] 7 -     StringLiteral(&'a str),
[INFO] [stderr] 7 +     StringLiteral(()),
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> src/a1.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Number(&'a str),
[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] 8 -     Number(&'a str),
[INFO] [stderr] 8 +     Number(()),
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: field `name` is never read
[INFO] [stderr]    --> src/a1.rs:147:5
[INFO] [stderr]     |
[INFO] [stderr] 146 | pub struct Type<'a> {
[INFO] [stderr]     |            ---- field in this struct
[INFO] [stderr] 147 |     name: &'a str,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Type` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Operator` is never constructed
[INFO] [stderr]    --> src/a1.rs:156:12
[INFO] [stderr]     |
[INFO] [stderr] 156 | pub struct Operator<'a> {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `ret_type` and `params` are never read
[INFO] [stderr]    --> src/a1.rs:226:5
[INFO] [stderr]     |
[INFO] [stderr] 225 | pub struct Function<'a> {
[INFO] [stderr]     |            -------- fields in this struct
[INFO] [stderr] 226 |     ret_type: Type<'a>,
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr] 227 |     ident: Ident<'a>,
[INFO] [stderr] 228 |     params: Expr<'a>,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Function` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `name` is never read
[INFO] [stderr]    --> src/b2.rs:147:5
[INFO] [stderr]     |
[INFO] [stderr] 146 | pub struct Type<'a> {
[INFO] [stderr]     |            ---- field in this struct
[INFO] [stderr] 147 |     name: &'a str,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Type` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Operator` is never constructed
[INFO] [stderr]    --> src/b2.rs:156:12
[INFO] [stderr]     |
[INFO] [stderr] 156 | pub struct Operator<'a> {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `ret_type` and `ident` are never read
[INFO] [stderr]    --> src/b2.rs:238:5
[INFO] [stderr]     |
[INFO] [stderr] 237 | pub struct Function<'a> {
[INFO] [stderr]     |            -------- fields in this struct
[INFO] [stderr] 238 |     ret_type: Type<'a>,
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr] 239 |     ident: Ident<'a>,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Function` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `idx` is never read
[INFO] [stderr]    --> src/b2.rs:294:5
[INFO] [stderr]     |
[INFO] [stderr] 293 | pub struct Line<'a> {
[INFO] [stderr]     |            ---- field in this struct
[INFO] [stderr] 294 |     idx: usize, 
[INFO] [stderr]     |     ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Line` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `name` is never read
[INFO] [stderr]    --> src/b4.rs:148:5
[INFO] [stderr]     |
[INFO] [stderr] 147 | pub struct Type<'a> {
[INFO] [stderr]     |            ---- field in this struct
[INFO] [stderr] 148 |     name: &'a str,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Type` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Operator` is never constructed
[INFO] [stderr]    --> src/b4.rs:157:12
[INFO] [stderr]     |
[INFO] [stderr] 157 | pub struct Operator<'a> {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `ret_type` and `ident` are never read
[INFO] [stderr]    --> src/b4.rs:239:5
[INFO] [stderr]     |
[INFO] [stderr] 238 | pub struct Function<'a> {
[INFO] [stderr]     |            -------- fields in this struct
[INFO] [stderr] 239 |     ret_type: Type<'a>,
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr] 240 |     ident: Ident<'a>,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Function` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `idx` is never read
[INFO] [stderr]    --> src/b4.rs:295:5
[INFO] [stderr]     |
[INFO] [stderr] 294 | pub struct Line<'a> {
[INFO] [stderr]     |            ---- field in this struct
[INFO] [stderr] 295 |     idx: usize, 
[INFO] [stderr]     |     ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Line` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `name` is never read
[INFO] [stderr]    --> src/b5.rs:148:5
[INFO] [stderr]     |
[INFO] [stderr] 147 | pub struct Type<'a> {
[INFO] [stderr]     |            ---- field in this struct
[INFO] [stderr] 148 |     name: &'a str,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Type` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Operator` is never constructed
[INFO] [stderr]    --> src/b5.rs:157:12
[INFO] [stderr]     |
[INFO] [stderr] 157 | pub struct Operator<'a> {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `ret_type` and `params` are never read
[INFO] [stderr]    --> src/b5.rs:239:5
[INFO] [stderr]     |
[INFO] [stderr] 238 | pub struct Function<'a> {
[INFO] [stderr]     |            -------- fields in this struct
[INFO] [stderr] 239 |     ret_type: Type<'a>,
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr] 240 |     ident: Ident<'a>,
[INFO] [stderr] 241 |     params: Expr<'a>,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Function` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/r2.rs:114:21
[INFO] [stderr]     |
[INFO] [stderr] 114 | pub fn items(input: &str) -> Items {
[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] 114 | pub fn items(input: &str) -> Items<'_> {
[INFO] [stderr]     |                                   ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/r3.rs:307:14
[INFO] [stderr]     |
[INFO] [stderr] 307 | fn tokens(a: &str) -> Tokens {
[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] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 307 | fn tokens(a: &str) -> Tokens<'_> {
[INFO] [stderr]     |                             ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/r4.rs:279:14
[INFO] [stderr]     |
[INFO] [stderr] 279 | fn tokens(a: &str) -> Tokens {
[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] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 279 | fn tokens(a: &str) -> Tokens<'_> {
[INFO] [stderr]     |                             ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/r5.rs:277:14
[INFO] [stderr]     |
[INFO] [stderr] 277 | fn tokens(a: &str) -> Tokens {
[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] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 277 | fn tokens(a: &str) -> Tokens<'_> {
[INFO] [stderr]     |                             ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/a1.rs:282:14
[INFO] [stderr]     |
[INFO] [stderr] 282 | fn tokens(a: &str) -> Tokens {
[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] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 282 | fn tokens(a: &str) -> Tokens<'_> {
[INFO] [stderr]     |                             ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/b2.rs:279:14
[INFO] [stderr]     |
[INFO] [stderr] 279 | fn tokens(a: &str) -> Tokens {
[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] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 279 | fn tokens(a: &str) -> Tokens<'_> {
[INFO] [stderr]     |                             ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/b3.rs:280:14
[INFO] [stderr]     |
[INFO] [stderr] 280 | fn tokens(a: &str) -> Tokens {
[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] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 280 | fn tokens(a: &str) -> Tokens<'_> {
[INFO] [stderr]     |                             ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/b4.rs:280:14
[INFO] [stderr]     |
[INFO] [stderr] 280 | fn tokens(a: &str) -> Tokens {
[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] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 280 | fn tokens(a: &str) -> Tokens<'_> {
[INFO] [stderr]     |                             ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/b5.rs:280:14
[INFO] [stderr]     |
[INFO] [stderr] 280 | fn tokens(a: &str) -> Tokens {
[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] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 280 | fn tokens(a: &str) -> Tokens<'_> {
[INFO] [stderr]     |                             ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> examples/char-test-1.rs:118:21
[INFO] [stderr]     |
[INFO] [stderr] 118 | pub fn items(input: &str) -> Items {
[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] 118 | pub fn items(input: &str) -> Items<'_> {
[INFO] [stderr]     |                                   ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `software-security-homework` (bin "software-security-homework" test) generated 36 warnings (run `cargo fix --bin "software-security-homework" -p software-security-homework --tests` to apply 9 suggestions)
[INFO] [stderr] warning: `software-security-homework` (example "char-test-1") generated 1 warning (run `cargo fix --example "char-test-1" -p software-security-homework` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/software_security_homework-1e339e857226ec8c)
[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" "24d13dfa9a920ed5db219ed472c1999ba20d9f93b59c59f149f21ddbe1736a3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24d13dfa9a920ed5db219ed472c1999ba20d9f93b59c59f149f21ddbe1736a3e", kill_on_drop: false }`
[INFO] [stdout] 24d13dfa9a920ed5db219ed472c1999ba20d9f93b59c59f149f21ddbe1736a3e
