[INFO] cloning repository https://github.com/andreast12/advprog-modul6 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andreast12/advprog-modul6" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandreast12%2Fadvprog-modul6", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandreast12%2Fadvprog-modul6'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] dcc183ee7c28614db97d69cb5447f0da32771d79 [INFO] testing andreast12/advprog-modul6 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%2Fandreast12%2Fadvprog-modul6" "/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/andreast12/advprog-modul6 [INFO] finished tweaking git repo https://github.com/andreast12/advprog-modul6 [INFO] tweaked toml for git repo https://github.com/andreast12/advprog-modul6 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/andreast12/advprog-modul6 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/andreast12/advprog-modul6 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] ed09bc5618ca35880a2d7132ab2eaec4a5447d92c669edc179b431bb41f51dee [INFO] running `Command { std: "docker" "start" "-a" "ed09bc5618ca35880a2d7132ab2eaec4a5447d92c669edc179b431bb41f51dee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ed09bc5618ca35880a2d7132ab2eaec4a5447d92c669edc179b431bb41f51dee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ed09bc5618ca35880a2d7132ab2eaec4a5447d92c669edc179b431bb41f51dee", kill_on_drop: false }` [INFO] [stdout] ed09bc5618ca35880a2d7132ab2eaec4a5447d92c669edc179b431bb41f51dee [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] e4e57ed63c0ffe3b4c63db7371e3c0781e93877489bf850d538060a07c7917d9 [INFO] running `Command { std: "docker" "start" "-a" "e4e57ed63c0ffe3b4c63db7371e3c0781e93877489bf850d538060a07c7917d9", kill_on_drop: false }` [INFO] [stderr] Compiling hello v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Thread` [INFO] [stdout] --> src/lib.rs:3:20 [INFO] [stdout] | [INFO] [stdout] 3 | thread::{self, Thread} [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `workers` is never read [INFO] [stdout] --> src/lib.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct ThreadPool { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 7 | workers: Vec, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `id` and `thread` are never read [INFO] [stdout] --> src/lib.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 37 | struct Worker { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 38 | id: usize, [INFO] [stdout] | ^^ [INFO] [stdout] 39 | thread: thread::JoinHandle<()>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.45s [INFO] running `Command { std: "docker" "inspect" "e4e57ed63c0ffe3b4c63db7371e3c0781e93877489bf850d538060a07c7917d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e4e57ed63c0ffe3b4c63db7371e3c0781e93877489bf850d538060a07c7917d9", kill_on_drop: false }` [INFO] [stdout] e4e57ed63c0ffe3b4c63db7371e3c0781e93877489bf850d538060a07c7917d9 [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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dcac32cf2646fb8b45a117fb54f1eba5f315a834aee92e2b85c3c3e795605b16 [INFO] running `Command { std: "docker" "start" "-a" "dcac32cf2646fb8b45a117fb54f1eba5f315a834aee92e2b85c3c3e795605b16", kill_on_drop: false }` [INFO] [stdout] warning: unused import: `Thread` [INFO] [stdout] --> src/lib.rs:3:20 [INFO] [stdout] | [INFO] [stdout] 3 | thread::{self, Thread} [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `workers` is never read [INFO] [stdout] --> src/lib.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct ThreadPool { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 7 | workers: Vec, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `id` and `thread` are never read [INFO] [stdout] --> src/lib.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 37 | struct Worker { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 38 | id: usize, [INFO] [stdout] | ^^ [INFO] [stdout] 39 | thread: thread::JoinHandle<()>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling hello v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Thread` [INFO] [stdout] --> src/lib.rs:3:20 [INFO] [stdout] | [INFO] [stdout] 3 | thread::{self, Thread} [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `workers` is never read [INFO] [stdout] --> src/lib.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct ThreadPool { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 7 | workers: Vec, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `id` and `thread` are never read [INFO] [stdout] --> src/lib.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 37 | struct Worker { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 38 | id: usize, [INFO] [stdout] | ^^ [INFO] [stdout] 39 | thread: thread::JoinHandle<()>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s [INFO] running `Command { std: "docker" "inspect" "dcac32cf2646fb8b45a117fb54f1eba5f315a834aee92e2b85c3c3e795605b16", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dcac32cf2646fb8b45a117fb54f1eba5f315a834aee92e2b85c3c3e795605b16", kill_on_drop: false }` [INFO] [stdout] dcac32cf2646fb8b45a117fb54f1eba5f315a834aee92e2b85c3c3e795605b16 [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" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 1fe5b715ee3238ac638d861ac5ba9743674446b391eb995958bd95262474ba90 [INFO] running `Command { std: "docker" "start" "-a" "1fe5b715ee3238ac638d861ac5ba9743674446b391eb995958bd95262474ba90", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `Thread` [INFO] [stderr] --> src/lib.rs:3:20 [INFO] [stderr] | [INFO] [stderr] 3 | thread::{self, Thread} [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: field `workers` is never read [INFO] [stderr] --> src/lib.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 6 | pub struct ThreadPool { [INFO] [stderr] | ---------- field in this struct [INFO] [stderr] 7 | workers: Vec, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: fields `id` and `thread` are never read [INFO] [stderr] --> src/lib.rs:38:5 [INFO] [stderr] | [INFO] [stderr] 37 | struct Worker { [INFO] [stderr] | ------ fields in this struct [INFO] [stderr] 38 | id: usize, [INFO] [stderr] | ^^ [INFO] [stderr] 39 | thread: thread::JoinHandle<()>, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `hello` (lib) generated 3 warnings (run `cargo fix --lib -p hello` to apply 1 suggestion) [INFO] [stderr] warning: `hello` (lib test) generated 3 warnings (3 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/hello-0aac1f6d062b041e) [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/hello-5e4ae6d05543c369) [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 hello [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "1fe5b715ee3238ac638d861ac5ba9743674446b391eb995958bd95262474ba90", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1fe5b715ee3238ac638d861ac5ba9743674446b391eb995958bd95262474ba90", kill_on_drop: false }` [INFO] [stdout] 1fe5b715ee3238ac638d861ac5ba9743674446b391eb995958bd95262474ba90