[INFO] cloning repository https://github.com/initinll-rust/learning-smart-pointers [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/initinll-rust/learning-smart-pointers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finitinll-rust%2Flearning-smart-pointers", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finitinll-rust%2Flearning-smart-pointers'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9d22c3b011e83076e16c4af782407234799c1934 [INFO] testing initinll-rust/learning-smart-pointers against beta-2025-01-12 for beta-1.85-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finitinll-rust%2Flearning-smart-pointers" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/initinll-rust/learning-smart-pointers on toolchain beta-2025-01-12 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-01-12" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/initinll-rust/learning-smart-pointers [INFO] finished tweaking git repo https://github.com/initinll-rust/learning-smart-pointers [INFO] tweaked toml for git repo https://github.com/initinll-rust/learning-smart-pointers written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/initinll-rust/learning-smart-pointers 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-2025-01-12" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-01-12" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c22bda36c120f7807663b5a2e905a160fab7a83ba100339ff353d02afcdcec22 [INFO] running `Command { std: "docker" "start" "-a" "c22bda36c120f7807663b5a2e905a160fab7a83ba100339ff353d02afcdcec22", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c22bda36c120f7807663b5a2e905a160fab7a83ba100339ff353d02afcdcec22", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c22bda36c120f7807663b5a2e905a160fab7a83ba100339ff353d02afcdcec22", kill_on_drop: false }` [INFO] [stdout] c22bda36c120f7807663b5a2e905a160fab7a83ba100339ff353d02afcdcec22 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-01-12" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4cb336c159477d954dc72398cad5f473601e0cd0647fe4fed476ac7c45521d49 [INFO] running `Command { std: "docker" "start" "-a" "4cb336c159477d954dc72398cad5f473601e0cd0647fe4fed476ac7c45521d49", kill_on_drop: false }` [INFO] [stderr] Compiling learning-smart-pointers v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> src/single_threaded/smart_pointer_box_concepts.rs:29:10 [INFO] [stdout] | [INFO] [stdout] 29 | Cons(i32, Box), [INFO] [stdout] | ---- ^^^ ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `List` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 29 | Cons((), ()), [INFO] [stdout] | ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> src/single_threaded/smart_pointer_rc_concepts.rs:43:10 [INFO] [stdout] | [INFO] [stdout] 43 | Cons(i32, Rc), [INFO] [stdout] | ---- ^^^ ^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `List` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 43 | Cons((), ()), [INFO] [stdout] | ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `value` and `children` are never read [INFO] [stdout] --> src/single_threaded/smart_pointer_rc_weak_prevent_reference_cycles_concepts.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 9 | struct Node { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 10 | value: i32, // value of the node [INFO] [stdout] | ^^^^^ [INFO] [stdout] 11 | parent: RefCell>, // a node has single parent, weak reference as child should not own its parent [INFO] [stdout] 12 | children: RefCell>> // a node can have multiple children, strong reference as parent should own its children [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device [INFO] [stderr] error: could not compile `learning-smart-pointers` (bin "learning-smart-pointers"); 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2025-01-12-x86_64-unknown-linux-gnu/bin/rustc --crate-name learning_smart_pointers --edition=2021 src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=0dbab9a3b316aa28 -C extra-filename=-f045bb7d8b404b7d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (exit status: 101) [INFO] running `Command { std: "docker" "inspect" "4cb336c159477d954dc72398cad5f473601e0cd0647fe4fed476ac7c45521d49", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4cb336c159477d954dc72398cad5f473601e0cd0647fe4fed476ac7c45521d49", kill_on_drop: false }` [INFO] [stdout] 4cb336c159477d954dc72398cad5f473601e0cd0647fe4fed476ac7c45521d49