[INFO] cloning repository https://github.com/UnicornRust/Rust-Grammer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/UnicornRust/Rust-Grammer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUnicornRust%2FRust-Grammer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUnicornRust%2FRust-Grammer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8f44b183101e4a5cb8c575e95010e347fd73d1d3
[INFO] testing UnicornRust/Rust-Grammer against 1.75.0 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUnicornRust%2FRust-Grammer" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/UnicornRust/Rust-Grammer on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/UnicornRust/Rust-Grammer
[INFO] finished tweaking git repo https://github.com/UnicornRust/Rust-Grammer
[INFO] tweaked toml for git repo https://github.com/UnicornRust/Rust-Grammer written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/UnicornRust/Rust-Grammer 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] testing UnicornRust/Rust-Grammer against beta-2023-12-22 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUnicornRust%2FRust-Grammer" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/UnicornRust/Rust-Grammer on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/UnicornRust/Rust-Grammer
[INFO] finished tweaking git repo https://github.com/UnicornRust/Rust-Grammer
[INFO] tweaked toml for git repo https://github.com/UnicornRust/Rust-Grammer written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/UnicornRust/Rust-Grammer 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" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd821e01c20de74e59208e5768f0fdbc1cf7cc7bac4c2ce54d4dad48a72eee03
[INFO] running `Command { std: "docker" "start" "-a" "fd821e01c20de74e59208e5768f0fdbc1cf7cc7bac4c2ce54d4dad48a72eee03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd821e01c20de74e59208e5768f0fdbc1cf7cc7bac4c2ce54d4dad48a72eee03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd821e01c20de74e59208e5768f0fdbc1cf7cc7bac4c2ce54d4dad48a72eee03", kill_on_drop: false }`
[INFO] [stdout] fd821e01c20de74e59208e5768f0fdbc1cf7cc7bac4c2ce54d4dad48a72eee03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5eec97463bda8a825ffd8fea60aadc77f665732efd226bce219c54ffa6d4b100
[INFO] running `Command { std: "docker" "start" "-a" "5eec97463bda8a825ffd8fea60aadc77f665732efd226bce219c54ffa6d4b100", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling regex-syntax v0.7.2
[INFO] [stderr]    Compiling aho-corasick v1.0.2
[INFO] [stderr]    Compiling regex v1.8.4
[INFO] [stderr]    Compiling base_grammer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::cmp::Ordering`
[INFO] [stdout]  --> src/variable/vvec.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::Ordering;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]   --> src/branch/match_use.rs:75:15
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn all_handle(other: i8) {}
[INFO] [stdout]    |               ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item1`
[INFO] [stdout]    --> src/generic/gentrait.rs:107:13
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn notify_1(item1: &impl Summary, item2: &impl Summary) {}
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_item1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item2`
[INFO] [stdout]    --> src/generic/gentrait.rs:107:35
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn notify_1(item1: &impl Summary, item2: &impl Summary) {}
[INFO] [stdout]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_item2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item1`
[INFO] [stdout]    --> src/generic/gentrait.rs:112:25
[INFO] [stdout]     |
[INFO] [stdout] 112 | fn notify_2<T: Summary>(item1: &T, item: &T) {}
[INFO] [stdout]     |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_item1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item`
[INFO] [stdout]    --> src/generic/gentrait.rs:112:36
[INFO] [stdout]     |
[INFO] [stdout] 112 | fn notify_2<T: Summary>(item1: &T, item: &T) {}
[INFO] [stdout]     |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item`
[INFO] [stdout]    --> src/generic/gentrait.rs:117:13
[INFO] [stdout]     |
[INFO] [stdout] 117 | fn notify_3(item: &(impl Summary + Display)) {}
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item`
[INFO] [stdout]    --> src/generic/gentrait.rs:120:35
[INFO] [stdout]     |
[INFO] [stdout] 120 | fn notify_4<T: Summary + Display>(item: &T) {}
[INFO] [stdout]     |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/generic/gentrait.rs:127:51
[INFO] [stdout]     |
[INFO] [stdout] 127 | fn some_fun<T: Display + Clone, U: Clone + Debug>(t: &T, u: &U) -> i32 {
[INFO] [stdout]     |                                                   ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]    --> src/generic/gentrait.rs:127:58
[INFO] [stdout]     |
[INFO] [stdout] 127 | fn some_fun<T: Display + Clone, U: Clone + Debug>(t: &T, u: &U) -> i32 {
[INFO] [stdout]     |                                                          ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/generic/gentrait.rs:132:21
[INFO] [stdout]     |
[INFO] [stdout] 132 | fn some_fun_1<T, U>(t: &T, u: &U) -> i32
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]    --> src/generic/gentrait.rs:132:28
[INFO] [stdout]     |
[INFO] [stdout] 132 | fn some_fun_1<T, U>(t: &T, u: &U) -> i32
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `all_handle` is never used
[INFO] [stdout]   --> src/branch/match_use.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn all_handle(other: i8) {}
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `reroll` is never used
[INFO] [stdout]   --> src/branch/match_use.rs:77:4
[INFO] [stdout]    |
[INFO] [stdout] 77 | fn reroll() {}
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_one_fun` is never used
[INFO] [stdout]    --> src/closures/closure.rs:103:4
[INFO] [stdout]     |
[INFO] [stdout] 103 | fn add_one_fun(x: u32) -> u32 {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `height` is never read
[INFO] [stdout]    --> src/closures/closure.rs:228:5
[INFO] [stdout]     |
[INFO] [stdout] 226 | struct Rectangle {
[INFO] [stdout]     |        --------- field in this struct
[INFO] [stdout] 227 |     width: u32,
[INFO] [stdout] 228 |     height: u32,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Rectangle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_linux_ip_with_address` is never used
[INFO] [stdout]   --> src/command/syscall.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn parse_linux_ip_with_address() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_linux_ip` is never used
[INFO] [stdout]   --> src/command/syscall.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn get_linux_ip(output: &str) -> Ipv4Addr {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `notify_1` is never used
[INFO] [stdout]    --> src/generic/gentrait.rs:107:4
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn notify_1(item1: &impl Summary, item2: &impl Summary) {}
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `notify_2` is never used
[INFO] [stdout]    --> src/generic/gentrait.rs:112:4
[INFO] [stdout]     |
[INFO] [stdout] 112 | fn notify_2<T: Summary>(item1: &T, item: &T) {}
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `notify_3` is never used
[INFO] [stdout]    --> src/generic/gentrait.rs:117:4
[INFO] [stdout]     |
[INFO] [stdout] 117 | fn notify_3(item: &(impl Summary + Display)) {}
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `notify_4` is never used
[INFO] [stdout]    --> src/generic/gentrait.rs:120:4
[INFO] [stdout]     |
[INFO] [stdout] 120 | fn notify_4<T: Summary + Display>(item: &T) {}
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `some_fun` is never used
[INFO] [stdout]    --> src/generic/gentrait.rs:127:4
[INFO] [stdout]     |
[INFO] [stdout] 127 | fn some_fun<T: Display + Clone, U: Clone + Debug>(t: &T, u: &U) -> i32 {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `some_fun_1` is never used
[INFO] [stdout]    --> src/generic/gentrait.rs:132:4
[INFO] [stdout]     |
[INFO] [stdout] 132 | fn some_fun_1<T, U>(t: &T, u: &U) -> i32
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `return_summarizable` is never used
[INFO] [stdout]    --> src/generic/gentrait.rs:149:4
[INFO] [stdout]     |
[INFO] [stdout] 149 | fn return_summarizable() -> impl Summary {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lagest_reference` is never used
[INFO] [stdout]   --> src/generic/gentype.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn lagest_reference<T: PartialOrd>(list: &[T]) -> &T {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x` and `y` are never read
[INFO] [stdout]   --> src/generic/gentype.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 70 | struct Point<T> {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 71 |     x: T,
[INFO] [stdout]    |     ^
[INFO] [stdout] 72 |     y: T,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `x` is never used
[INFO] [stdout]   --> src/generic/gentype.rs:85:8
[INFO] [stdout]    |
[INFO] [stdout] 84 | impl<T> Point<T> {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] 85 |     fn x(&self) -> &T {
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `distance_from_origin` is never used
[INFO] [stdout]   --> src/generic/gentype.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 93 | impl Point<f32> {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] 94 |     fn distance_from_origin(&self) -> f32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `level` is never used
[INFO] [stdout]    --> src/generic/lifetimes.rs:281:8
[INFO] [stdout]     |
[INFO] [stdout] 280 | impl<'a> ImportantExcerpt<'a> {
[INFO] [stdout]     | ----------------------------- method in this implementation
[INFO] [stdout] 281 |     fn level(&self) -> i32 {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest_with_an_announcement` is never used
[INFO] [stdout]    --> src/generic/lifetimes.rs:303:4
[INFO] [stdout]     |
[INFO] [stdout] 303 | fn longest_with_an_announcement<'a, T>(x: &'a str, y: &'a str, ann: T) -> &'a str
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_panic` is never used
[INFO] [stdout]   --> src/handlerr/panic_macro.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn make_panic() {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `kind` and `address` are never read
[INFO] [stdout]   --> src/variable/venum.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct IpAddr {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 15 |     kind: IpAddrKind,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 16 |     address: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `address` is never read
[INFO] [stdout]   --> src/variable/venum.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |     V6{
[INFO] [stdout]    |     -- field in this variant
[INFO] [stdout] 43 |         address: String
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `can_hold` is never used
[INFO] [stdout]    --> src/variable/vstruct.rs:145:8
[INFO] [stdout]     |
[INFO] [stdout] 126 | impl Rectangle {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 145 |     fn can_hold(&self, other: &Rectangle) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 35 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `command`, `thread`
[INFO] [stdout]  --> src/main.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 |     branch, closures, command, function, generic, handlerr, intellpoint, iofs, iterator, loops,
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout] 4 |     ownership, thread, variable,
[INFO] [stdout]   |                ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `premain` is never used
[INFO] [stdout]   --> src/main.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn premain() {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.78s
[INFO] running `Command { std: "docker" "inspect" "5eec97463bda8a825ffd8fea60aadc77f665732efd226bce219c54ffa6d4b100", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5eec97463bda8a825ffd8fea60aadc77f665732efd226bce219c54ffa6d4b100", kill_on_drop: false }`
[INFO] [stdout] 5eec97463bda8a825ffd8fea60aadc77f665732efd226bce219c54ffa6d4b100
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e3c4cc363f2c75ccc5e1b34a4e489c2882d0249fbc84fb1333a51e27abe4798
[INFO] running `Command { std: "docker" "start" "-a" "7e3c4cc363f2c75ccc5e1b34a4e489c2882d0249fbc84fb1333a51e27abe4798", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `std::cmp::Ordering`
[INFO] [stdout]  --> src/variable/vvec.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::Ordering;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]   --> src/branch/match_use.rs:75:15
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn all_handle(other: i8) {}
[INFO] [stdout]    |               ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item1`
[INFO] [stdout]    --> src/generic/gentrait.rs:107:13
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn notify_1(item1: &impl Summary, item2: &impl Summary) {}
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_item1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item2`
[INFO] [stdout]    --> src/generic/gentrait.rs:107:35
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn notify_1(item1: &impl Summary, item2: &impl Summary) {}
[INFO] [stdout]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_item2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item1`
[INFO] [stdout]    --> src/generic/gentrait.rs:112:25
[INFO] [stdout]     |
[INFO] [stdout] 112 | fn notify_2<T: Summary>(item1: &T, item: &T) {}
[INFO] [stdout]     |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_item1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item`
[INFO] [stdout]    --> src/generic/gentrait.rs:112:36
[INFO] [stdout]     |
[INFO] [stdout] 112 | fn notify_2<T: Summary>(item1: &T, item: &T) {}
[INFO] [stdout]     |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item`
[INFO] [stdout]    --> src/generic/gentrait.rs:117:13
[INFO] [stdout]     |
[INFO] [stdout] 117 | fn notify_3(item: &(impl Summary + Display)) {}
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item`
[INFO] [stdout]    --> src/generic/gentrait.rs:120:35
[INFO] [stdout]     |
[INFO] [stdout] 120 | fn notify_4<T: Summary + Display>(item: &T) {}
[INFO] [stdout]     |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/generic/gentrait.rs:127:51
[INFO] [stdout]     |
[INFO] [stdout] 127 | fn some_fun<T: Display + Clone, U: Clone + Debug>(t: &T, u: &U) -> i32 {
[INFO] [stdout]     |                                                   ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]    --> src/generic/gentrait.rs:127:58
[INFO] [stdout]     |
[INFO] [stdout] 127 | fn some_fun<T: Display + Clone, U: Clone + Debug>(t: &T, u: &U) -> i32 {
[INFO] [stdout]     |                                                          ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/generic/gentrait.rs:132:21
[INFO] [stdout]     |
[INFO] [stdout] 132 | fn some_fun_1<T, U>(t: &T, u: &U) -> i32
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]    --> src/generic/gentrait.rs:132:28
[INFO] [stdout]     |
[INFO] [stdout] 132 | fn some_fun_1<T, U>(t: &T, u: &U) -> i32
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `all_handle` is never used
[INFO] [stdout]   --> src/branch/match_use.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn all_handle(other: i8) {}
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `reroll` is never used
[INFO] [stdout]   --> src/branch/match_use.rs:77:4
[INFO] [stdout]    |
[INFO] [stdout] 77 | fn reroll() {}
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_one_fun` is never used
[INFO] [stdout]    --> src/closures/closure.rs:103:4
[INFO] [stdout]     |
[INFO] [stdout] 103 | fn add_one_fun(x: u32) -> u32 {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `height` is never read
[INFO] [stdout]    --> src/closures/closure.rs:228:5
[INFO] [stdout]     |
[INFO] [stdout] 226 | struct Rectangle {
[INFO] [stdout]     |        --------- field in this struct
[INFO] [stdout] 227 |     width: u32,
[INFO] [stdout] 228 |     height: u32,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Rectangle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_linux_ip_with_address` is never used
[INFO] [stdout]   --> src/command/syscall.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn parse_linux_ip_with_address() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_linux_ip` is never used
[INFO] [stdout]   --> src/command/syscall.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn get_linux_ip(output: &str) -> Ipv4Addr {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `notify_1` is never used
[INFO] [stdout]    --> src/generic/gentrait.rs:107:4
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn notify_1(item1: &impl Summary, item2: &impl Summary) {}
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `notify_2` is never used
[INFO] [stdout]    --> src/generic/gentrait.rs:112:4
[INFO] [stdout]     |
[INFO] [stdout] 112 | fn notify_2<T: Summary>(item1: &T, item: &T) {}
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `notify_3` is never used
[INFO] [stdout]    --> src/generic/gentrait.rs:117:4
[INFO] [stdout]     |
[INFO] [stdout] 117 | fn notify_3(item: &(impl Summary + Display)) {}
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `notify_4` is never used
[INFO] [stdout]    --> src/generic/gentrait.rs:120:4
[INFO] [stdout]     |
[INFO] [stdout] 120 | fn notify_4<T: Summary + Display>(item: &T) {}
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `some_fun` is never used
[INFO] [stdout]    --> src/generic/gentrait.rs:127:4
[INFO] [stdout]     |
[INFO] [stdout] 127 | fn some_fun<T: Display + Clone, U: Clone + Debug>(t: &T, u: &U) -> i32 {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `some_fun_1` is never used
[INFO] [stdout]    --> src/generic/gentrait.rs:132:4
[INFO] [stdout]     |
[INFO] [stdout] 132 | fn some_fun_1<T, U>(t: &T, u: &U) -> i32
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `return_summarizable` is never used
[INFO] [stdout]    --> src/generic/gentrait.rs:149:4
[INFO] [stdout]     |
[INFO] [stdout] 149 | fn return_summarizable() -> impl Summary {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lagest_reference` is never used
[INFO] [stdout]   --> src/generic/gentype.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn lagest_reference<T: PartialOrd>(list: &[T]) -> &T {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x` and `y` are never read
[INFO] [stdout]   --> src/generic/gentype.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 70 | struct Point<T> {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 71 |     x: T,
[INFO] [stdout]    |     ^
[INFO] [stdout] 72 |     y: T,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `x` is never used
[INFO] [stdout]   --> src/generic/gentype.rs:85:8
[INFO] [stdout]    |
[INFO] [stdout] 84 | impl<T> Point<T> {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] 85 |     fn x(&self) -> &T {
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `distance_from_origin` is never used
[INFO] [stdout]   --> src/generic/gentype.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 93 | impl Point<f32> {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] 94 |     fn distance_from_origin(&self) -> f32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `level` is never used
[INFO] [stdout]    --> src/generic/lifetimes.rs:281:8
[INFO] [stdout]     |
[INFO] [stdout] 280 | impl<'a> ImportantExcerpt<'a> {
[INFO] [stdout]     | ----------------------------- method in this implementation
[INFO] [stdout] 281 |     fn level(&self) -> i32 {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest_with_an_announcement` is never used
[INFO] [stdout]    --> src/generic/lifetimes.rs:303:4
[INFO] [stdout]     |
[INFO] [stdout] 303 | fn longest_with_an_announcement<'a, T>(x: &'a str, y: &'a str, ann: T) -> &'a str
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_panic` is never used
[INFO] [stdout]   --> src/handlerr/panic_macro.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn make_panic() {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `kind` and `address` are never read
[INFO] [stdout]   --> src/variable/venum.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct IpAddr {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 15 |     kind: IpAddrKind,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 16 |     address: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `address` is never read
[INFO] [stdout]   --> src/variable/venum.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |     V6{
[INFO] [stdout]    |     -- field in this variant
[INFO] [stdout] 43 |         address: String
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling base_grammer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `can_hold` is never used
[INFO] [stdout]    --> src/variable/vstruct.rs:145:8
[INFO] [stdout]     |
[INFO] [stdout] 126 | impl Rectangle {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 145 |     fn can_hold(&self, other: &Rectangle) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 35 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `command`, `thread`
[INFO] [stdout]  --> src/main.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 |     branch, closures, command, function, generic, handlerr, intellpoint, iofs, iterator, loops,
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout] 4 |     ownership, thread, variable,
[INFO] [stdout]   |                ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `premain` is never used
[INFO] [stdout]   --> src/main.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn premain() {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::Ordering`
[INFO] [stdout]  --> src/variable/vvec.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::Ordering;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]   --> src/branch/match_use.rs:75:15
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn all_handle(other: i8) {}
[INFO] [stdout]    |               ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item1`
[INFO] [stdout]    --> src/generic/gentrait.rs:107:13
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn notify_1(item1: &impl Summary, item2: &impl Summary) {}
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_item1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item2`
[INFO] [stdout]    --> src/generic/gentrait.rs:107:35
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn notify_1(item1: &impl Summary, item2: &impl Summary) {}
[INFO] [stdout]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_item2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item1`
[INFO] [stdout]    --> src/generic/gentrait.rs:112:25
[INFO] [stdout]     |
[INFO] [stdout] 112 | fn notify_2<T: Summary>(item1: &T, item: &T) {}
[INFO] [stdout]     |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_item1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item`
[INFO] [stdout]    --> src/generic/gentrait.rs:112:36
[INFO] [stdout]     |
[INFO] [stdout] 112 | fn notify_2<T: Summary>(item1: &T, item: &T) {}
[INFO] [stdout]     |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item`
[INFO] [stdout]    --> src/generic/gentrait.rs:117:13
[INFO] [stdout]     |
[INFO] [stdout] 117 | fn notify_3(item: &(impl Summary + Display)) {}
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item`
[INFO] [stdout]    --> src/generic/gentrait.rs:120:35
[INFO] [stdout]     |
[INFO] [stdout] 120 | fn notify_4<T: Summary + Display>(item: &T) {}
[INFO] [stdout]     |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/generic/gentrait.rs:127:51
[INFO] [stdout]     |
[INFO] [stdout] 127 | fn some_fun<T: Display + Clone, U: Clone + Debug>(t: &T, u: &U) -> i32 {
[INFO] [stdout]     |                                                   ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]    --> src/generic/gentrait.rs:127:58
[INFO] [stdout]     |
[INFO] [stdout] 127 | fn some_fun<T: Display + Clone, U: Clone + Debug>(t: &T, u: &U) -> i32 {
[INFO] [stdout]     |                                                          ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/generic/gentrait.rs:132:21
[INFO] [stdout]     |
[INFO] [stdout] 132 | fn some_fun_1<T, U>(t: &T, u: &U) -> i32
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]    --> src/generic/gentrait.rs:132:28
[INFO] [stdout]     |
[INFO] [stdout] 132 | fn some_fun_1<T, U>(t: &T, u: &U) -> i32
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `all_handle` is never used
[INFO] [stdout]   --> src/branch/match_use.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn all_handle(other: i8) {}
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `reroll` is never used
[INFO] [stdout]   --> src/branch/match_use.rs:77:4
[INFO] [stdout]    |
[INFO] [stdout] 77 | fn reroll() {}
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_one_fun` is never used
[INFO] [stdout]    --> src/closures/closure.rs:103:4
[INFO] [stdout]     |
[INFO] [stdout] 103 | fn add_one_fun(x: u32) -> u32 {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `height` is never read
[INFO] [stdout]    --> src/closures/closure.rs:228:5
[INFO] [stdout]     |
[INFO] [stdout] 226 | struct Rectangle {
[INFO] [stdout]     |        --------- field in this struct
[INFO] [stdout] 227 |     width: u32,
[INFO] [stdout] 228 |     height: u32,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Rectangle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_linux_ip_with_address` is never used
[INFO] [stdout]   --> src/command/syscall.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn parse_linux_ip_with_address() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_linux_ip` is never used
[INFO] [stdout]   --> src/command/syscall.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn get_linux_ip(output: &str) -> Ipv4Addr {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `notify_1` is never used
[INFO] [stdout]    --> src/generic/gentrait.rs:107:4
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn notify_1(item1: &impl Summary, item2: &impl Summary) {}
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `notify_2` is never used
[INFO] [stdout]    --> src/generic/gentrait.rs:112:4
[INFO] [stdout]     |
[INFO] [stdout] 112 | fn notify_2<T: Summary>(item1: &T, item: &T) {}
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `notify_3` is never used
[INFO] [stdout]    --> src/generic/gentrait.rs:117:4
[INFO] [stdout]     |
[INFO] [stdout] 117 | fn notify_3(item: &(impl Summary + Display)) {}
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `notify_4` is never used
[INFO] [stdout]    --> src/generic/gentrait.rs:120:4
[INFO] [stdout]     |
[INFO] [stdout] 120 | fn notify_4<T: Summary + Display>(item: &T) {}
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `some_fun` is never used
[INFO] [stdout]    --> src/generic/gentrait.rs:127:4
[INFO] [stdout]     |
[INFO] [stdout] 127 | fn some_fun<T: Display + Clone, U: Clone + Debug>(t: &T, u: &U) -> i32 {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `some_fun_1` is never used
[INFO] [stdout]    --> src/generic/gentrait.rs:132:4
[INFO] [stdout]     |
[INFO] [stdout] 132 | fn some_fun_1<T, U>(t: &T, u: &U) -> i32
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `return_summarizable` is never used
[INFO] [stdout]    --> src/generic/gentrait.rs:149:4
[INFO] [stdout]     |
[INFO] [stdout] 149 | fn return_summarizable() -> impl Summary {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lagest_reference` is never used
[INFO] [stdout]   --> src/generic/gentype.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn lagest_reference<T: PartialOrd>(list: &[T]) -> &T {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x` and `y` are never read
[INFO] [stdout]   --> src/generic/gentype.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 70 | struct Point<T> {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 71 |     x: T,
[INFO] [stdout]    |     ^
[INFO] [stdout] 72 |     y: T,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `x` is never used
[INFO] [stdout]   --> src/generic/gentype.rs:85:8
[INFO] [stdout]    |
[INFO] [stdout] 84 | impl<T> Point<T> {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] 85 |     fn x(&self) -> &T {
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `distance_from_origin` is never used
[INFO] [stdout]   --> src/generic/gentype.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 93 | impl Point<f32> {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] 94 |     fn distance_from_origin(&self) -> f32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `level` is never used
[INFO] [stdout]    --> src/generic/lifetimes.rs:281:8
[INFO] [stdout]     |
[INFO] [stdout] 280 | impl<'a> ImportantExcerpt<'a> {
[INFO] [stdout]     | ----------------------------- method in this implementation
[INFO] [stdout] 281 |     fn level(&self) -> i32 {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest_with_an_announcement` is never used
[INFO] [stdout]    --> src/generic/lifetimes.rs:303:4
[INFO] [stdout]     |
[INFO] [stdout] 303 | fn longest_with_an_announcement<'a, T>(x: &'a str, y: &'a str, ann: T) -> &'a str
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_panic` is never used
[INFO] [stdout]   --> src/handlerr/panic_macro.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn make_panic() {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `kind` and `address` are never read
[INFO] [stdout]   --> src/variable/venum.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct IpAddr {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 15 |     kind: IpAddrKind,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 16 |     address: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `address` is never read
[INFO] [stdout]   --> src/variable/venum.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |     V6{
[INFO] [stdout]    |     -- field in this variant
[INFO] [stdout] 43 |         address: String
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `can_hold` is never used
[INFO] [stdout]    --> src/variable/vstruct.rs:145:8
[INFO] [stdout]     |
[INFO] [stdout] 126 | impl Rectangle {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 145 |     fn can_hold(&self, other: &Rectangle) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 35 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "7e3c4cc363f2c75ccc5e1b34a4e489c2882d0249fbc84fb1333a51e27abe4798", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e3c4cc363f2c75ccc5e1b34a4e489c2882d0249fbc84fb1333a51e27abe4798", kill_on_drop: false }`
[INFO] [stdout] 7e3c4cc363f2c75ccc5e1b34a4e489c2882d0249fbc84fb1333a51e27abe4798
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1092b783782fbb7c8c0e7fae4a3d90291290266d7a3cb95f8a6e1601929fc67d
[INFO] running `Command { std: "docker" "start" "-a" "1092b783782fbb7c8c0e7fae4a3d90291290266d7a3cb95f8a6e1601929fc67d", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::cmp::Ordering`
[INFO] [stderr]  --> src/variable/vvec.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::cmp::Ordering;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]   --> src/branch/match_use.rs:75:15
[INFO] [stderr]    |
[INFO] [stderr] 75 | fn all_handle(other: i8) {}
[INFO] [stderr]    |               ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `item1`
[INFO] [stderr]    --> src/generic/gentrait.rs:107:13
[INFO] [stderr]     |
[INFO] [stderr] 107 | fn notify_1(item1: &impl Summary, item2: &impl Summary) {}
[INFO] [stderr]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_item1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `item2`
[INFO] [stderr]    --> src/generic/gentrait.rs:107:35
[INFO] [stderr]     |
[INFO] [stderr] 107 | fn notify_1(item1: &impl Summary, item2: &impl Summary) {}
[INFO] [stderr]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_item2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `item1`
[INFO] [stderr]    --> src/generic/gentrait.rs:112:25
[INFO] [stderr]     |
[INFO] [stderr] 112 | fn notify_2<T: Summary>(item1: &T, item: &T) {}
[INFO] [stderr]     |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_item1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `item`
[INFO] [stderr]    --> src/generic/gentrait.rs:112:36
[INFO] [stderr]     |
[INFO] [stderr] 112 | fn notify_2<T: Summary>(item1: &T, item: &T) {}
[INFO] [stderr]     |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `item`
[INFO] [stderr]    --> src/generic/gentrait.rs:117:13
[INFO] [stderr]     |
[INFO] [stderr] 117 | fn notify_3(item: &(impl Summary + Display)) {}
[INFO] [stderr]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `item`
[INFO] [stderr]    --> src/generic/gentrait.rs:120:35
[INFO] [stderr]     |
[INFO] [stderr] 120 | fn notify_4<T: Summary + Display>(item: &T) {}
[INFO] [stderr]     |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]    --> src/generic/gentrait.rs:127:51
[INFO] [stderr]     |
[INFO] [stderr] 127 | fn some_fun<T: Display + Clone, U: Clone + Debug>(t: &T, u: &U) -> i32 {
[INFO] [stderr]     |                                                   ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `u`
[INFO] [stderr]    --> src/generic/gentrait.rs:127:58
[INFO] [stderr]     |
[INFO] [stderr] 127 | fn some_fun<T: Display + Clone, U: Clone + Debug>(t: &T, u: &U) -> i32 {
[INFO] [stderr]     |                                                          ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]    --> src/generic/gentrait.rs:132:21
[INFO] [stderr]     |
[INFO] [stderr] 132 | fn some_fun_1<T, U>(t: &T, u: &U) -> i32
[INFO] [stderr]     |                     ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `u`
[INFO] [stderr]    --> src/generic/gentrait.rs:132:28
[INFO] [stderr]     |
[INFO] [stderr] 132 | fn some_fun_1<T, U>(t: &T, u: &U) -> i32
[INFO] [stderr]     |                            ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stderr] 
[INFO] [stderr] warning: function `all_handle` is never used
[INFO] [stderr]   --> src/branch/match_use.rs:75:4
[INFO] [stderr]    |
[INFO] [stderr] 75 | fn all_handle(other: i8) {}
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `reroll` is never used
[INFO] [stderr]   --> src/branch/match_use.rs:77:4
[INFO] [stderr]    |
[INFO] [stderr] 77 | fn reroll() {}
[INFO] [stderr]    |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `add_one_fun` is never used
[INFO] [stderr]    --> src/closures/closure.rs:103:4
[INFO] [stderr]     |
[INFO] [stderr] 103 | fn add_one_fun(x: u32) -> u32 {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `height` is never read
[INFO] [stderr]    --> src/closures/closure.rs:228:5
[INFO] [stderr]     |
[INFO] [stderr] 226 | struct Rectangle {
[INFO] [stderr]     |        --------- field in this struct
[INFO] [stderr] 227 |     width: u32,
[INFO] [stderr] 228 |     height: u32,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Rectangle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: function `parse_linux_ip_with_address` is never used
[INFO] [stderr]   --> src/command/syscall.rs:11:4
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn parse_linux_ip_with_address() {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_linux_ip` is never used
[INFO] [stderr]   --> src/command/syscall.rs:26:4
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn get_linux_ip(output: &str) -> Ipv4Addr {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `notify_1` is never used
[INFO] [stderr]    --> src/generic/gentrait.rs:107:4
[INFO] [stderr]     |
[INFO] [stderr] 107 | fn notify_1(item1: &impl Summary, item2: &impl Summary) {}
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `notify_2` is never used
[INFO] [stderr]    --> src/generic/gentrait.rs:112:4
[INFO] [stderr]     |
[INFO] [stderr] 112 | fn notify_2<T: Summary>(item1: &T, item: &T) {}
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `notify_3` is never used
[INFO] [stderr]    --> src/generic/gentrait.rs:117:4
[INFO] [stderr]     |
[INFO] [stderr] 117 | fn notify_3(item: &(impl Summary + Display)) {}
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `notify_4` is never used
[INFO] [stderr]    --> src/generic/gentrait.rs:120:4
[INFO] [stderr]     |
[INFO] [stderr] 120 | fn notify_4<T: Summary + Display>(item: &T) {}
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `some_fun` is never used
[INFO] [stderr]    --> src/generic/gentrait.rs:127:4
[INFO] [stderr]     |
[INFO] [stderr] 127 | fn some_fun<T: Display + Clone, U: Clone + Debug>(t: &T, u: &U) -> i32 {
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `some_fun_1` is never used
[INFO] [stderr]    --> src/generic/gentrait.rs:132:4
[INFO] [stderr]     |
[INFO] [stderr] 132 | fn some_fun_1<T, U>(t: &T, u: &U) -> i32
[INFO] [stderr]     |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `return_summarizable` is never used
[INFO] [stderr]    --> src/generic/gentrait.rs:149:4
[INFO] [stderr]     |
[INFO] [stderr] 149 | fn return_summarizable() -> impl Summary {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `lagest_reference` is never used
[INFO] [stderr]   --> src/generic/gentype.rs:45:4
[INFO] [stderr]    |
[INFO] [stderr] 45 | fn lagest_reference<T: PartialOrd>(list: &[T]) -> &T {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `x` and `y` are never read
[INFO] [stderr]   --> src/generic/gentype.rs:71:5
[INFO] [stderr]    |
[INFO] [stderr] 70 | struct Point<T> {
[INFO] [stderr]    |        ----- fields in this struct
[INFO] [stderr] 71 |     x: T,
[INFO] [stderr]    |     ^
[INFO] [stderr] 72 |     y: T,
[INFO] [stderr]    |     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: method `x` is never used
[INFO] [stderr]   --> src/generic/gentype.rs:85:8
[INFO] [stderr]    |
[INFO] [stderr] 84 | impl<T> Point<T> {
[INFO] [stderr]    | ---------------- method in this implementation
[INFO] [stderr] 85 |     fn x(&self) -> &T {
[INFO] [stderr]    |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: method `distance_from_origin` is never used
[INFO] [stderr]   --> src/generic/gentype.rs:94:8
[INFO] [stderr]    |
[INFO] [stderr] 93 | impl Point<f32> {
[INFO] [stderr]    | --------------- method in this implementation
[INFO] [stderr] 94 |     fn distance_from_origin(&self) -> f32 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `level` is never used
[INFO] [stderr]    --> src/generic/lifetimes.rs:281:8
[INFO] [stderr]     |
[INFO] [stderr] 280 | impl<'a> ImportantExcerpt<'a> {
[INFO] [stderr]     | ----------------------------- method in this implementation
[INFO] [stderr] 281 |     fn level(&self) -> i32 {
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `longest_with_an_announcement` is never used
[INFO] [stderr]    --> src/generic/lifetimes.rs:303:4
[INFO] [stderr]     |
[INFO] [stderr] 303 | fn longest_with_an_announcement<'a, T>(x: &'a str, y: &'a str, ann: T) -> &'a str
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `make_panic` is never used
[INFO] [stderr]   --> src/handlerr/panic_macro.rs:24:4
[INFO] [stderr]    |
[INFO] [stderr] 24 | fn make_panic() {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `kind` and `address` are never read
[INFO] [stderr]   --> src/variable/venum.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | struct IpAddr {
[INFO] [stderr]    |        ------ fields in this struct
[INFO] [stderr] 15 |     kind: IpAddrKind,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 16 |     address: String,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `address` is never read
[INFO] [stderr]   --> src/variable/venum.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |     V6{
[INFO] [stderr]    |     -- field in this variant
[INFO] [stderr] 43 |         address: String
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `can_hold` is never used
[INFO] [stderr]    --> src/variable/vstruct.rs:145:8
[INFO] [stderr]     |
[INFO] [stderr] 126 | impl Rectangle {
[INFO] [stderr]     | -------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 145 |     fn can_hold(&self, other: &Rectangle) -> bool {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `base_grammer` (lib) generated 35 warnings (run `cargo fix --lib -p base_grammer` to apply 12 suggestions)
[INFO] [stderr] warning: `base_grammer` (lib test) generated 35 warnings (35 duplicates)
[INFO] [stderr] warning: unused imports: `command`, `thread`
[INFO] [stderr]  --> src/main.rs:3:23
[INFO] [stderr]   |
[INFO] [stderr] 3 |     branch, closures, command, function, generic, handlerr, intellpoint, iofs, iterator, loops,
[INFO] [stderr]   |                       ^^^^^^^
[INFO] [stderr] 4 |     ownership, thread, variable,
[INFO] [stderr]   |                ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `premain` is never used
[INFO] [stderr]   --> src/main.rs:16:4
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn premain() {
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `base_grammer` (bin "base_grammer" test) generated 2 warnings (run `cargo fix --bin "base_grammer" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/base_grammer-2c4c733456f08f29)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/base_grammer-b90a845965bb4702)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests base_grammer
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/handlerr/panic_macro.rs - handlerr::panic_macro::make_panic (line 18) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/handlerr/panic_macro.rs - handlerr::panic_macro::make_panic (line 18) stdout ----
[INFO] [stdout] error: expected `;`, found `panic`
[INFO] [stdout]  --> src/handlerr/panic_macro.rs:19:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | [profile.release]
[INFO] [stdout]   |                  ^ help: add `;` here
[INFO] [stdout] 4 | panic="abort"
[INFO] [stdout]   | ----- unexpected token
[INFO] [stdout] 
[INFO] [stdout] error[E0423]: expected value, found macro `panic`
[INFO] [stdout]  --> src/handlerr/panic_macro.rs:20:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | panic="abort"
[INFO] [stdout]   | ^^^^^ not a value
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this function instead
[INFO] [stdout]   |
[INFO] [stdout] 2 + use core::panicking::panic;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0423`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/handlerr/panic_macro.rs - handlerr::panic_macro::make_panic (line 18)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "1092b783782fbb7c8c0e7fae4a3d90291290266d7a3cb95f8a6e1601929fc67d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1092b783782fbb7c8c0e7fae4a3d90291290266d7a3cb95f8a6e1601929fc67d", kill_on_drop: false }`
[INFO] [stdout] 1092b783782fbb7c8c0e7fae4a3d90291290266d7a3cb95f8a6e1601929fc67d