[INFO] cloning repository https://github.com/LimeChain/rust-academy-session4-code
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LimeChain/rust-academy-session4-code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLimeChain%2Frust-academy-session4-code", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLimeChain%2Frust-academy-session4-code'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] df499562964404f746655f8584da7fcad437f683
[INFO] testing LimeChain/rust-academy-session4-code against beta-2025-09-21 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLimeChain%2Frust-academy-session4-code" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/LimeChain/rust-academy-session4-code
[INFO] finished tweaking git repo https://github.com/LimeChain/rust-academy-session4-code
[INFO] tweaked toml for git repo https://github.com/LimeChain/rust-academy-session4-code written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/LimeChain/rust-academy-session4-code on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/LimeChain/rust-academy-session4-code 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-2025-09-21" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4aadab1a3eb6166a9984e4f3459ba43d00102d27a53f9ccab802f7808770c43b
[INFO] running `Command { std: "docker" "start" "-a" "4aadab1a3eb6166a9984e4f3459ba43d00102d27a53f9ccab802f7808770c43b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4aadab1a3eb6166a9984e4f3459ba43d00102d27a53f9ccab802f7808770c43b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4aadab1a3eb6166a9984e4f3459ba43d00102d27a53f9ccab802f7808770c43b", kill_on_drop: false }`
[INFO] [stdout] 4aadab1a3eb6166a9984e4f3459ba43d00102d27a53f9ccab802f7808770c43b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97ed3f44eade85fdc5f5d3a28e2b52989d88562613c712de205aa638684740d0
[INFO] running `Command { std: "docker" "start" "-a" "97ed3f44eade85fdc5f5d3a28e2b52989d88562613c712de205aa638684740d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling unsafes v0.1.0 (/opt/rustwide/workdir/crates/unsafes)
[INFO] [stderr]    Compiling advanced-types v0.1.0 (/opt/rustwide/workdir/crates/advanced-types)
[INFO] [stderr]    Compiling advanced-functions-and-closures v0.1.0 (/opt/rustwide/workdir/crates/advanced-functions-and-closures)
[INFO] [stderr]    Compiling advanced-traits v0.1.0 (/opt/rustwide/workdir/crates/advanced-traits)
[INFO] [stdout] error[E0428]: the name `kek` is defined multiple times
[INFO] [stdout]   --> crates/advanced-types/src/main.rs:80:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn kek() {
[INFO] [stdout]    | -------- previous definition of the value `kek` here
[INFO] [stdout] ...
[INFO] [stdout] 80 | fn kek() {
[INFO] [stdout]    | ^^^^^^^^ `kek` redefined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `kek` must be defined only once in the value namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `banica`
[INFO] [stdout]   --> crates/advanced-functions-and-closures/src/main.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let mut banica = 5;
[INFO] [stdout]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_banica`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> crates/advanced-functions-and-closures/src/main.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let mut banica = 5;
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> crates/unsafes/src/main.rs:146:40
[INFO] [stdout]     |
[INFO] [stdout] 146 |         println!("Глобален брояч: {}", GLOBAL_COUNTER);
[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)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0428`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]   --> crates/advanced-traits/src/add.rs:15:19
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn add(&self, rhs: &Banica) -> Self::Output {
[INFO] [stdout]    |                   ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `a` is never read
[INFO] [stdout]  --> crates/advanced-traits/src/add.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Banica {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 9 |     pub a: u32,
[INFO] [stdout]   |         ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Banica` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Name` is never used
[INFO] [stdout]  --> crates/advanced-traits/src/names.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait Name {
[INFO] [stdout]   |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Banica` is never constructed
[INFO] [stdout]  --> crates/advanced-traits/src/names.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Banica;
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `proba` is never used
[INFO] [stdout]   --> crates/advanced-traits/src/names.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn proba() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `advanced-types` (bin "advanced-types") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "97ed3f44eade85fdc5f5d3a28e2b52989d88562613c712de205aa638684740d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97ed3f44eade85fdc5f5d3a28e2b52989d88562613c712de205aa638684740d0", kill_on_drop: false }`
[INFO] [stdout] 97ed3f44eade85fdc5f5d3a28e2b52989d88562613c712de205aa638684740d0
