[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 [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