[INFO] fetching crate cashmere 0.0.1... [INFO] testing cashmere-0.0.1 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate cashmere 0.0.1 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate cashmere 0.0.1 [INFO] finished tweaking crates.io crate cashmere 0.0.1 [INFO] tweaked toml for crates.io crate cashmere 0.0.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate cashmere 0.0.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 3 packages to latest compatible versions [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-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] f50e5e71e31bf37868a7e5232c9818c5dd3e1d88522f8e86fb1e4d6b868400db [INFO] running `Command { std: "docker" "start" "-a" "f50e5e71e31bf37868a7e5232c9818c5dd3e1d88522f8e86fb1e4d6b868400db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f50e5e71e31bf37868a7e5232c9818c5dd3e1d88522f8e86fb1e4d6b868400db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f50e5e71e31bf37868a7e5232c9818c5dd3e1d88522f8e86fb1e4d6b868400db", kill_on_drop: false }` [INFO] [stdout] f50e5e71e31bf37868a7e5232c9818c5dd3e1d88522f8e86fb1e4d6b868400db [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] e497d3df07f257406fb5e6825f69dcc41e1f23246aece30f8b22db8cbdc5a8e0 [INFO] running `Command { std: "docker" "start" "-a" "e497d3df07f257406fb5e6825f69dcc41e1f23246aece30f8b22db8cbdc5a8e0", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.5.0 [INFO] [stderr] Compiling order-stat v0.1.3 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling cashmere v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `validate` is never used [INFO] [stdout] --> src/node.rs:80:8 [INFO] [stdout] | [INFO] [stdout] 74 | pub trait Tree: IntoIterator::Ownership> { [INFO] [stdout] | ---- method in this trait [INFO] [stdout] ... [INFO] [stdout] 80 | fn validate(&self); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `CancelInsert` is never constructed [INFO] [stdout] --> src/node.rs:378:12 [INFO] [stdout] | [INFO] [stdout] 378 | pub struct CancelInsert; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `SwapValue` is never constructed [INFO] [stdout] --> src/node.rs:383:12 [INFO] [stdout] | [INFO] [stdout] 383 | pub struct SwapValue; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ViewingBinaryTreeIter` is never constructed [INFO] [stdout] --> src/node.rs:937:12 [INFO] [stdout] | [INFO] [stdout] 937 | pub struct ViewingBinaryTreeIter<'a, Node: BinaryNode> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/node.rs:957:12 [INFO] [stdout] | [INFO] [stdout] 953 | / impl<'a, Node> ViewingBinaryTreeIter<'a, Node> [INFO] [stdout] 954 | | where [INFO] [stdout] 955 | | Node: BinaryNode + Ownable, [INFO] [stdout] | |_______________________________- associated function in this implementation [INFO] [stdout] 956 | { [INFO] [stdout] 957 | pub fn new<'b: 'a, T>(tree: &'b T) -> Self [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.74s [INFO] running `Command { std: "docker" "inspect" "e497d3df07f257406fb5e6825f69dcc41e1f23246aece30f8b22db8cbdc5a8e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e497d3df07f257406fb5e6825f69dcc41e1f23246aece30f8b22db8cbdc5a8e0", kill_on_drop: false }` [INFO] [stdout] e497d3df07f257406fb5e6825f69dcc41e1f23246aece30f8b22db8cbdc5a8e0 [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] 56e016f0deb5480b76c7487f7fca3d3cd53ab565916284a05d5ca858537e6839 [INFO] running `Command { std: "docker" "start" "-a" "56e016f0deb5480b76c7487f7fca3d3cd53ab565916284a05d5ca858537e6839", kill_on_drop: false }` [INFO] [stdout] warning: method `validate` is never used [INFO] [stdout] --> src/node.rs:80:8 [INFO] [stdout] | [INFO] [stdout] 74 | pub trait Tree: IntoIterator::Ownership> { [INFO] [stdout] | ---- method in this trait [INFO] [stdout] ... [INFO] [stdout] 80 | fn validate(&self); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `CancelInsert` is never constructed [INFO] [stdout] --> src/node.rs:378:12 [INFO] [stdout] | [INFO] [stdout] 378 | pub struct CancelInsert; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling cashmere v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `SwapValue` is never constructed [INFO] [stdout] --> src/node.rs:383:12 [INFO] [stdout] | [INFO] [stdout] 383 | pub struct SwapValue; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ViewingBinaryTreeIter` is never constructed [INFO] [stdout] --> src/node.rs:937:12 [INFO] [stdout] | [INFO] [stdout] 937 | pub struct ViewingBinaryTreeIter<'a, Node: BinaryNode> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/node.rs:957:12 [INFO] [stdout] | [INFO] [stdout] 953 | / impl<'a, Node> ViewingBinaryTreeIter<'a, Node> [INFO] [stdout] 954 | | where [INFO] [stdout] 955 | | Node: BinaryNode + Ownable, [INFO] [stdout] | |_______________________________- associated function in this implementation [INFO] [stdout] 956 | { [INFO] [stdout] 957 | pub fn new<'b: 'a, T>(tree: &'b T) -> Self [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `validate` is never used [INFO] [stdout] --> src/node.rs:80:8 [INFO] [stdout] | [INFO] [stdout] 74 | pub trait Tree: IntoIterator::Ownership> { [INFO] [stdout] | ---- method in this trait [INFO] [stdout] ... [INFO] [stdout] 80 | fn validate(&self); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `CancelInsert` is never constructed [INFO] [stdout] --> src/node.rs:378:12 [INFO] [stdout] | [INFO] [stdout] 378 | pub struct CancelInsert; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `SwapValue` is never constructed [INFO] [stdout] --> src/node.rs:383:12 [INFO] [stdout] | [INFO] [stdout] 383 | pub struct SwapValue; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ViewingBinaryTreeIter` is never constructed [INFO] [stdout] --> src/node.rs:937:12 [INFO] [stdout] | [INFO] [stdout] 937 | pub struct ViewingBinaryTreeIter<'a, Node: BinaryNode> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/node.rs:957:12 [INFO] [stdout] | [INFO] [stdout] 953 | / impl<'a, Node> ViewingBinaryTreeIter<'a, Node> [INFO] [stdout] 954 | | where [INFO] [stdout] 955 | | Node: BinaryNode + Ownable, [INFO] [stdout] | |_______________________________- associated function in this implementation [INFO] [stdout] 956 | { [INFO] [stdout] 957 | pub fn new<'b: 'a, T>(tree: &'b T) -> Self [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.89s [INFO] running `Command { std: "docker" "inspect" "56e016f0deb5480b76c7487f7fca3d3cd53ab565916284a05d5ca858537e6839", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "56e016f0deb5480b76c7487f7fca3d3cd53ab565916284a05d5ca858537e6839", kill_on_drop: false }` [INFO] [stdout] 56e016f0deb5480b76c7487f7fca3d3cd53ab565916284a05d5ca858537e6839 [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] 7888a51a75db332ded5b30f3e43898699f739aea811645162a473c15a36d734b [INFO] running `Command { std: "docker" "start" "-a" "7888a51a75db332ded5b30f3e43898699f739aea811645162a473c15a36d734b", kill_on_drop: false }` [INFO] [stderr] warning: method `validate` is never used [INFO] [stderr] --> src/node.rs:80:8 [INFO] [stderr] | [INFO] [stderr] 74 | pub trait Tree: IntoIterator::Ownership> { [INFO] [stderr] | ---- method in this trait [INFO] [stderr] ... [INFO] [stderr] 80 | fn validate(&self); [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: struct `CancelInsert` is never constructed [INFO] [stderr] --> src/node.rs:378:12 [INFO] [stderr] | [INFO] [stderr] 378 | pub struct CancelInsert; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `SwapValue` is never constructed [INFO] [stderr] --> src/node.rs:383:12 [INFO] [stderr] | [INFO] [stderr] 383 | pub struct SwapValue; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `ViewingBinaryTreeIter` is never constructed [INFO] [stderr] --> src/node.rs:937:12 [INFO] [stderr] | [INFO] [stderr] 937 | pub struct ViewingBinaryTreeIter<'a, Node: BinaryNode> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function `new` is never used [INFO] [stderr] --> src/node.rs:957:12 [INFO] [stderr] | [INFO] [stderr] 953 | / impl<'a, Node> ViewingBinaryTreeIter<'a, Node> [INFO] [stderr] 954 | | where [INFO] [stderr] 955 | | Node: BinaryNode + Ownable, [INFO] [stderr] | |_______________________________- associated function in this implementation [INFO] [stderr] 956 | { [INFO] [stderr] 957 | pub fn new<'b: 'a, T>(tree: &'b T) -> Self [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: `cashmere` (lib) generated 5 warnings [INFO] [stderr] warning: `cashmere` (lib test) generated 5 warnings (5 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cashmere-5a1bd3f2d96d4773) [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 cashmere [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" "7888a51a75db332ded5b30f3e43898699f739aea811645162a473c15a36d734b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7888a51a75db332ded5b30f3e43898699f739aea811645162a473c15a36d734b", kill_on_drop: false }` [INFO] [stdout] 7888a51a75db332ded5b30f3e43898699f739aea811645162a473c15a36d734b