[INFO] cloning repository https://github.com/FanJiang2024/learn-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FanJiang2024/learn-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFanJiang2024%2Flearn-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFanJiang2024%2Flearn-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9b98a2da69599e680931024ed5b06b576cec88a1
[INFO] testing FanJiang2024/learn-rust against 1.90.0 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFanJiang2024%2Flearn-rust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/FanJiang2024/learn-rust
[INFO] finished tweaking git repo https://github.com/FanJiang2024/learn-rust
[INFO] tweaked toml for git repo https://github.com/FanJiang2024/learn-rust written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/FanJiang2024/learn-rust on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/FanJiang2024/learn-rust 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ea2c82442e674c8bcd2934ef19583f6d17ccfe950143bdd0573876882a93392
[INFO] running `Command { std: "docker" "start" "-a" "3ea2c82442e674c8bcd2934ef19583f6d17ccfe950143bdd0573876882a93392", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ea2c82442e674c8bcd2934ef19583f6d17ccfe950143bdd0573876882a93392", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ea2c82442e674c8bcd2934ef19583f6d17ccfe950143bdd0573876882a93392", kill_on_drop: false }`
[INFO] [stdout] 3ea2c82442e674c8bcd2934ef19583f6d17ccfe950143bdd0573876882a93392
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68ed42ff5ff180e8ee192952de4c928d87d5f730b184f80bec354807fca8bd32
[INFO] running `Command { std: "docker" "start" "-a" "68ed42ff5ff180e8ee192952de4c928d87d5f730b184f80bec354807fca8bd32", kill_on_drop: false }`
[INFO] [stderr]    Compiling const_static v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::any::Any`
[INFO] [stdout]  --> src/basic_type/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::any::Any;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `addr_of_mut` and `addr_of`
[INFO] [stdout]  --> src/tuple_array/mod.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::ptr::{addr_of, addr_of_mut};
[INFO] [stdout]   |                ^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `MY_STATIC` is never used
[INFO] [stdout]  --> src/const_static/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | static  MY_STATIC: i32 = 32;
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `MY_MUT_STATIC` is never used
[INFO] [stdout]  --> src/const_static/mod.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | static mut MY_MUT_STATIC: i32 = 64;
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tup2`
[INFO] [stdout]  --> src/main.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut tup2 = tup1;
[INFO] [stdout]   |             ^^^^ help: if this is intentional, prefix it with an underscore: `_tup2`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut tup2 = tup1;
[INFO] [stdout]   |         ----^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "68ed42ff5ff180e8ee192952de4c928d87d5f730b184f80bec354807fca8bd32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68ed42ff5ff180e8ee192952de4c928d87d5f730b184f80bec354807fca8bd32", kill_on_drop: false }`
[INFO] [stdout] 68ed42ff5ff180e8ee192952de4c928d87d5f730b184f80bec354807fca8bd32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8775c1aafc0f11ab4bc17150815d9850b79a23eb7d59ab26f5c6c4a49a8609e
[INFO] running `Command { std: "docker" "start" "-a" "a8775c1aafc0f11ab4bc17150815d9850b79a23eb7d59ab26f5c6c4a49a8609e", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `std::any::Any`
[INFO] [stdout]  --> src/basic_type/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::any::Any;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `addr_of_mut` and `addr_of`
[INFO] [stdout]  --> src/tuple_array/mod.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::ptr::{addr_of, addr_of_mut};
[INFO] [stdout]   |                ^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `MY_STATIC` is never used
[INFO] [stdout]  --> src/const_static/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | static  MY_STATIC: i32 = 32;
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `MY_MUT_STATIC` is never used
[INFO] [stdout]  --> src/const_static/mod.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | static mut MY_MUT_STATIC: i32 = 64;
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling const_static v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `tup2`
[INFO] [stdout]  --> src/main.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut tup2 = tup1;
[INFO] [stdout]   |             ^^^^ help: if this is intentional, prefix it with an underscore: `_tup2`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut tup2 = tup1;
[INFO] [stdout]   |         ----^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::any::Any`
[INFO] [stdout]  --> src/basic_type/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::any::Any;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `n` is never read
[INFO] [stdout]  --> src/function/mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |         n += 10; // failed!!!
[INFO] [stdout]   |         ^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]  --> src/function/mod.rs:8:30
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn try_to_change_num(mut n: i32) {
[INFO] [stdout]   |                              ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `size` is never read
[INFO] [stdout]   --> src/function/mod.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     struct Person {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 24 |         size: u8,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Person` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Spicy` and `Fruity` are never constructed
[INFO] [stdout]  --> src/struct_module/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     enum Flavor {
[INFO] [stdout]   |          ------ variants in this enum
[INFO] [stdout] 5 |         Spicy,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 6 |         Fruity,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_length` is never used
[INFO] [stdout]   --> src/lifetimes/mod.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |     trait MyStringTrait<'a> {
[INFO] [stdout]    |           ------------- method in this trait
[INFO] [stdout] 44 |         fn get_length(&self) -> usize;
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Lang` is never used
[INFO] [stdout]   --> src/trait_generic_learn/mod.rs:78:10
[INFO] [stdout]    |
[INFO] [stdout] 78 |     enum Lang {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Language` is never used
[INFO] [stdout]   --> src/trait_generic_learn/mod.rs:85:11
[INFO] [stdout]    |
[INFO] [stdout] 85 |     trait Language {
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Material` is never constructed
[INFO] [stdout]   --> src/trait_generic_learn/mod.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout] 91 |     struct Material<T: Language> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_content` is never used
[INFO] [stdout]   --> src/trait_generic_learn/mod.rs:98:12
[INFO] [stdout]    |
[INFO] [stdout] 97 |     impl<T: Language> Material<T> {
[INFO] [stdout]    |     ----------------------------- method in this implementation
[INFO] [stdout] 98 |         fn get_content(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Yellow` and `Blue` are never constructed
[INFO] [stdout]  --> src/common_trait/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     enum Color {
[INFO] [stdout]   |          ----- variants in this enum
[INFO] [stdout] 6 |         Yellow,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout] 7 |         Black,
[INFO] [stdout] 8 |         Blue
[INFO] [stdout]   |         ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Color` 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: creating a shared reference to mutable static
[INFO] [stdout]   --> src/const_static/mod.rs:18:35
[INFO] [stdout]    |
[INFO] [stdout] 18 |         println!("MY MUT STATIC: {MY_MUT_STATIC}");
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Tom` should have a snake case name
[INFO] [stdout]   --> src/function/mod.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let Tom = Person {
[INFO] [stdout]    |         ^^^ help: convert the identifier to snake case: `tom`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "a8775c1aafc0f11ab4bc17150815d9850b79a23eb7d59ab26f5c6c4a49a8609e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8775c1aafc0f11ab4bc17150815d9850b79a23eb7d59ab26f5c6c4a49a8609e", kill_on_drop: false }`
[INFO] [stdout] a8775c1aafc0f11ab4bc17150815d9850b79a23eb7d59ab26f5c6c4a49a8609e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2df4091085c78a823d8ab5ac87bec0dd89799807401238daff43a86b810fb7b4
[INFO] running `Command { std: "docker" "start" "-a" "2df4091085c78a823d8ab5ac87bec0dd89799807401238daff43a86b810fb7b4", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::any::Any`
[INFO] [stderr]  --> src/basic_type/mod.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::any::Any;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `addr_of_mut` and `addr_of`
[INFO] [stderr]  --> src/tuple_array/mod.rs:7:16
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::ptr::{addr_of, addr_of_mut};
[INFO] [stderr]   |                ^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static `MY_STATIC` is never used
[INFO] [stderr]  --> src/const_static/mod.rs:2:9
[INFO] [stderr]   |
[INFO] [stderr] 2 | static  MY_STATIC: i32 = 32;
[INFO] [stderr]   |         ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static `MY_MUT_STATIC` is never used
[INFO] [stderr]  --> src/const_static/mod.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | static mut MY_MUT_STATIC: i32 = 64;
[INFO] [stderr]   |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `const_static` (lib) generated 4 warnings (run `cargo fix --lib -p const_static` to apply 2 suggestions)
[INFO] [stderr] warning: unused variable: `tup2`
[INFO] [stderr]  --> src/main.rs:7:13
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let mut tup2 = tup1;
[INFO] [stderr]   |             ^^^^ help: if this is intentional, prefix it with an underscore: `_tup2`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/main.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let mut tup2 = tup1;
[INFO] [stderr]   |         ----^^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `const_static` (bin "const_static" test) generated 2 warnings (run `cargo fix --bin "const_static" --tests` to apply 1 suggestion)
[INFO] [stderr] warning: value assigned to `n` is never read
[INFO] [stderr]  --> src/function/mod.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |         n += 10; // failed!!!
[INFO] [stderr]   |         ^
[INFO] [stderr]   |
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]  --> src/function/mod.rs:8:30
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn try_to_change_num(mut n: i32) {
[INFO] [stderr]   |                              ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `size` is never read
[INFO] [stderr]   --> src/function/mod.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |     struct Person {
[INFO] [stderr]    |            ------ field in this struct
[INFO] [stderr] 24 |         size: u8,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Person` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Spicy` and `Fruity` are never constructed
[INFO] [stderr]  --> src/struct_module/mod.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |     enum Flavor {
[INFO] [stderr]   |          ------ variants in this enum
[INFO] [stderr] 5 |         Spicy,
[INFO] [stderr]   |         ^^^^^
[INFO] [stderr] 6 |         Fruity,
[INFO] [stderr]   |         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `get_length` is never used
[INFO] [stderr]   --> src/lifetimes/mod.rs:44:12
[INFO] [stderr]    |
[INFO] [stderr] 43 |     trait MyStringTrait<'a> {
[INFO] [stderr]    |           ------------- method in this trait
[INFO] [stderr] 44 |         fn get_length(&self) -> usize;
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Lang` is never used
[INFO] [stderr]   --> src/trait_generic_learn/mod.rs:78:10
[INFO] [stderr]    |
[INFO] [stderr] 78 |     enum Lang {
[INFO] [stderr]    |          ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Language` is never used
[INFO] [stderr]   --> src/trait_generic_learn/mod.rs:85:11
[INFO] [stderr]    |
[INFO] [stderr] 85 |     trait Language {
[INFO] [stderr]    |           ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Material` is never constructed
[INFO] [stderr]   --> src/trait_generic_learn/mod.rs:91:12
[INFO] [stderr]    |
[INFO] [stderr] 91 |     struct Material<T: Language> {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `get_content` is never used
[INFO] [stderr]   --> src/trait_generic_learn/mod.rs:98:12
[INFO] [stderr]    |
[INFO] [stderr] 97 |     impl<T: Language> Material<T> {
[INFO] [stderr]    |     ----------------------------- method in this implementation
[INFO] [stderr] 98 |         fn get_content(&self) -> String {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Yellow` and `Blue` are never constructed
[INFO] [stderr]  --> src/common_trait/mod.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |     enum Color {
[INFO] [stderr]   |          ----- variants in this enum
[INFO] [stderr] 6 |         Yellow,
[INFO] [stderr]   |         ^^^^^^
[INFO] [stderr] 7 |         Black,
[INFO] [stderr] 8 |         Blue
[INFO] [stderr]   |         ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Color` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: creating a shared reference to mutable static
[INFO] [stderr]   --> src/const_static/mod.rs:18:35
[INFO] [stderr]    |
[INFO] [stderr] 18 |         println!("MY MUT STATIC: {MY_MUT_STATIC}");
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stderr]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stderr]    = note: `#[warn(static_mut_refs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Tom` should have a snake case name
[INFO] [stderr]   --> src/function/mod.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let Tom = Person {
[INFO] [stderr]    |         ^^^ help: convert the identifier to snake case: `tom`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `const_static` (lib test) generated 13 warnings (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/const_static-4cdd0977747e784b)
[INFO] [stdout] 
[INFO] [stdout] running 36 tests
[INFO] [stdout] test box_module::box_test ... ok
[INFO] [stdout] test basic_type::u8_test ... ok
[INFO] [stdout] test basic_type::basic_type_test ... ok
[INFO] [stdout] test common_trait::common_trait_test ... ok
[INFO] [stdout] test const_static::const_static_test ... ok
[INFO] [stdout] test custom_error::custom_error ... ok
[INFO] [stdout] test enum_pattern_match::enum_match_test ... ok
[INFO] [stdout] test enum_pattern_match::enum_test ... ok
[INFO] [stdout] test fn_move_borrow_mut::fn_move_borrow_mut_test ... ok
[INFO] [stdout] test function::function_test ... ok
[INFO] [stdout] test generic::generic_func_test ... ok
[INFO] [stdout] test higher_func::higher_func_test ... ok
[INFO] [stdout] test if_match::if_match_test ... ok
[INFO] [stdout] test iter_loop::connection_test ... ok
[INFO] [stdout] test lifetimes::lifetimes_func_test ... ok
[INFO] [stdout] test lifetimes::lifetimes_struct_test ... ok
[INFO] [stdout] test loops::loops_test ... ok
[INFO] [stdout] test fn_return_value_ref::fn_return_value_ref_test ... ok
[INFO] [stdout] test overload_operators::overload_operators ... ok
[INFO] [stdout] test owner_ship::owner_ship_test ... ok
[INFO] [stdout] test str_string::str_string_test ... ok
[INFO] [stdout] test struct_module::struct_test ... ok
[INFO] [stdout] test trait_generic_learn::test ... ok
[INFO] [stdout] test trait_generic_learn::trait_generic_test ... ok
[INFO] [stdout] test generic::generic_struct ... ok
[INFO] [stdout] test iter_loop::iter_loop ... ok
[INFO] [stdout] test iter_loop::test ... ok
[INFO] [stdout] test mem_manage::copy_move_test ... ok
[INFO] [stdout] test trait_object_box::trait_object_box_test ... ok
[INFO] [stdout] test trait_learn::trait_starter ... ok
[INFO] [stdout] test trait_object_box::trait_object_box_test_2 ... ok
[INFO] [stdout] test tuple_array::tuple_array_test ... ok
[INFO] [stdout] test tuple_array::tuple_test ... ok
[INFO] [stdout] test unwrap::unwrap_test ... ok
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout] test result_option_panic::result_option_panic_test ... ok
[INFO] [stdout] test borrow_checker::borrow_checker_test ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- borrow_checker::borrow_checker_test stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'borrow_checker::borrow_checker_test' panicked at src/borrow_checker/mod.rs:16:3:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 10
[INFO] [stdout]  right: 20
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x566bfa357cd2 - std::backtrace_rs::backtrace::libunwind::trace::h2d45396358f41939
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x566bfa357cd2 - std::backtrace_rs::backtrace::trace_unsynchronized::hffcefc0b67f1d6e2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x566bfa357cd2 - std::sys::backtrace::_print_fmt::hd72f71d23b436b92
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x566bfa357cd2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hdcfcb6d4c8489523
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x566bfa37e343 - core::fmt::rt::Argument::fmt::h2c56b3114963061a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x566bfa37e343 - core::fmt::write::h8a494366950f23bb
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x566bfa354c53 - std::io::default_write_fmt::h7b8824096454f323
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x566bfa354c53 - std::io::Write::write_fmt::h4e71294925c334d0
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x566bfa357b22 - std::sys::backtrace::BacktraceLock::print::hb2a626a81e06b2dc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x566bfa359249 - std::panicking::default_hook::{{closure}}::h4f78485264f12d10
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x566bfa35907e - std::panicking::default_hook::h2c66fc99e962531d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x566bfa321654 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb6bd65493727d71a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x566bfa321654 - test::test_main_with_exit_callback::{{closure}}::h60217ec76a0ece4a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x566bfa359c1e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h318e4efb8c1a5689
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x566bfa359c1e - std::panicking::rust_panic_with_hook::h33ac55f64bbd807d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x566bfa3599ea - std::panicking::begin_panic_handler::{{closure}}::h30e7cb89678a57fe
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x566bfa3581c9 - std::sys::backtrace::__rust_end_short_backtrace::hed60f27456c16ced
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x566bfa35967d - __rustc[de2ca18b4c54d5b8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x566bfa37c300 - core::panicking::panic_fmt::h62f63d096dd276af
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x566bfa37c623 - core::panicking::assert_failed_inner::h102b4539a88470c2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:448:17
[INFO] [stdout]   20:     0x566bfa33a8dc - core::panicking::assert_failed::h34230adf88934ee5
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:403:5
[INFO] [stdout]   21:     0x566bfa2e1be0 - const_static::borrow_checker::borrow_checker_test::h202c49185568daa3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/borrow_checker/mod.rs:16:3
[INFO] [stdout]   22:     0x566bfa2e1a17 - const_static::borrow_checker::borrow_checker_test::{{closure}}::h6ef37e6164a52384
[INFO] [stdout]                                at /opt/rustwide/workdir/src/borrow_checker/mod.rs:2:25
[INFO] [stdout]   23:     0x566bfa2e3666 - core::ops::function::FnOnce::call_once::h6032148d4828ddac
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   24:     0x566bfa326ebb - core::ops::function::FnOnce::call_once::h1f9474f1347fff52
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   25:     0x566bfa326ebb - test::__rust_begin_short_backtrace::ha52ab26e77157f03
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:648:18
[INFO] [stdout]   26:     0x566bfa325ff5 - test::run_test_in_process::{{closure}}::h229c1a11a50b261f
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:74
[INFO] [stdout]   27:     0x566bfa325ff5 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h78821afbf97b39a9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x566bfa325ff5 - std::panicking::catch_unwind::do_call::h53abf3ed5bd32ba3
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   29:     0x566bfa325ff5 - std::panicking::catch_unwind::h6deb5fe1e91873c9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   30:     0x566bfa325ff5 - std::panic::catch_unwind::hea0829b6b565654b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x566bfa325ff5 - test::run_test_in_process::hdc44dfecea3db21b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:27
[INFO] [stdout]   32:     0x566bfa325ff5 - test::run_test::{{closure}}::h0364ba59bf23f652
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:592:43
[INFO] [stdout]   33:     0x566bfa2e9bf4 - test::run_test::{{closure}}::h32730b304eec05da
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:622:41
[INFO] [stdout]   34:     0x566bfa2e9bf4 - std::sys::backtrace::__rust_begin_short_backtrace::h177cb952fc54ad2c
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x566bfa2ed5ca - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h119d903520007597
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x566bfa2ed5ca - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hab88401d606702a6
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x566bfa2ed5ca - std::panicking::catch_unwind::do_call::h163fe12cca9901c2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   38:     0x566bfa2ed5ca - std::panicking::catch_unwind::he81557d0e17cc1bc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   39:     0x566bfa2ed5ca - std::panic::catch_unwind::hc2b8e79c20593955
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x566bfa2ed5ca - std::thread::Builder::spawn_unchecked_::{{closure}}::hfa6b4978e07815cc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x566bfa2ed5ca - core::ops::function::FnOnce::call_once{{vtable.shim}}::hddcd7484a13fd793
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   42:     0x566bfa35cb9f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5924238c754de3b8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   43:     0x566bfa35cb9f - std::sys::pal::unix::thread::Thread::new::thread_start::hb6e99e73da4d28f8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/pal/unix/thread.rs:107:17
[INFO] [stdout]   44:     0x7fd808d05aa4 - <unknown>
[INFO] [stdout]   45:     0x7fd808d92a34 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     borrow_checker::borrow_checker_test
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 35 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2df4091085c78a823d8ab5ac87bec0dd89799807401238daff43a86b810fb7b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2df4091085c78a823d8ab5ac87bec0dd89799807401238daff43a86b810fb7b4", kill_on_drop: false }`
[INFO] [stdout] 2df4091085c78a823d8ab5ac87bec0dd89799807401238daff43a86b810fb7b4
