[INFO] cloning repository https://github.com/pwbh/unsafe-linked-list [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pwbh/unsafe-linked-list" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpwbh%2Funsafe-linked-list", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpwbh%2Funsafe-linked-list'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] aca4008a9e1247fd17736528570c51fc9ee69d64 [INFO] testing pwbh/unsafe-linked-list against beta-2025-09-21 for beta-1.91-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpwbh%2Funsafe-linked-list" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/pwbh/unsafe-linked-list [INFO] finished tweaking git repo https://github.com/pwbh/unsafe-linked-list [INFO] tweaked toml for git repo https://github.com/pwbh/unsafe-linked-list written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/pwbh/unsafe-linked-list 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/pwbh/unsafe-linked-list 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 5ec194ab8de51067627fcb21c956eb8a8224fd0d4d8c8ce247ae762feff66de7 [INFO] running `Command { std: "docker" "start" "-a" "5ec194ab8de51067627fcb21c956eb8a8224fd0d4d8c8ce247ae762feff66de7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5ec194ab8de51067627fcb21c956eb8a8224fd0d4d8c8ce247ae762feff66de7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5ec194ab8de51067627fcb21c956eb8a8224fd0d4d8c8ce247ae762feff66de7", kill_on_drop: false }` [INFO] [stdout] 5ec194ab8de51067627fcb21c956eb8a8224fd0d4d8c8ce247ae762feff66de7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 20b5968a4edde07b20dc96f40998413c2edd820ab705b8313104c64f5fceb95f [INFO] running `Command { std: "docker" "start" "-a" "20b5968a4edde07b20dc96f40998413c2edd820ab705b8313104c64f5fceb95f", kill_on_drop: false }` [INFO] [stderr] Compiling ok_unsafe_deque_self v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `Node` is never constructed [INFO] [stdout] --> src/main.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | struct Node { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/main.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 10 | impl Node { [INFO] [stdout] | --------------- associated function in this implementation [INFO] [stdout] 11 | pub fn new(value: T) -> *mut Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `List` is never constructed [INFO] [stdout] --> src/main.rs:19:8 [INFO] [stdout] | [INFO] [stdout] 19 | struct List { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `push`, `pop`, `peek`, `peek_mut`, and `iter` are never used [INFO] [stdout] --> src/main.rs:25:12 [INFO] [stdout] | [INFO] [stdout] 24 | impl List { [INFO] [stdout] | --------------- associated items in this implementation [INFO] [stdout] 25 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 32 | pub fn push(&mut self, value: T) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 47 | pub fn pop(&mut self) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 65 | pub fn peek(&self) -> Option<&T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 69 | pub fn peek_mut(&mut self) -> Option<&mut T> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 73 | pub fn iter(&self) -> ListIter<'_, T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ListIter` is never constructed [INFO] [stdout] --> src/main.rs:88:8 [INFO] [stdout] | [INFO] [stdout] 88 | struct ListIter<'a, T> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.44s [INFO] running `Command { std: "docker" "inspect" "20b5968a4edde07b20dc96f40998413c2edd820ab705b8313104c64f5fceb95f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "20b5968a4edde07b20dc96f40998413c2edd820ab705b8313104c64f5fceb95f", kill_on_drop: false }` [INFO] [stdout] 20b5968a4edde07b20dc96f40998413c2edd820ab705b8313104c64f5fceb95f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] f4690d1dc1aaac429ff611e0ae8f978904ab1e586509d9eafca070ea20007167 [INFO] running `Command { std: "docker" "start" "-a" "f4690d1dc1aaac429ff611e0ae8f978904ab1e586509d9eafca070ea20007167", kill_on_drop: false }` [INFO] [stderr] Compiling ok_unsafe_deque_self v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s [INFO] running `Command { std: "docker" "inspect" "f4690d1dc1aaac429ff611e0ae8f978904ab1e586509d9eafca070ea20007167", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f4690d1dc1aaac429ff611e0ae8f978904ab1e586509d9eafca070ea20007167", kill_on_drop: false }` [INFO] [stdout] f4690d1dc1aaac429ff611e0ae8f978904ab1e586509d9eafca070ea20007167 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] e98608035c3ef6724f0979bb0a949ce061cb9e47950d7dc6b4abfe198d8111af [INFO] running `Command { std: "docker" "start" "-a" "e98608035c3ef6724f0979bb0a949ce061cb9e47950d7dc6b4abfe198d8111af", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ok_unsafe_deque_self-58aca64ecd364dcc) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test tests::test_list_iter ... ok [INFO] [stdout] test tests::creates_new_list ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "e98608035c3ef6724f0979bb0a949ce061cb9e47950d7dc6b4abfe198d8111af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e98608035c3ef6724f0979bb0a949ce061cb9e47950d7dc6b4abfe198d8111af", kill_on_drop: false }` [INFO] [stdout] e98608035c3ef6724f0979bb0a949ce061cb9e47950d7dc6b4abfe198d8111af