[INFO] fetching crate rbtset 1.0.2...
[INFO] testing rbtset-1.0.2 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate rbtset 1.0.2 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate rbtset 1.0.2
[INFO] finished tweaking crates.io crate rbtset 1.0.2
[INFO] tweaked toml for crates.io crate rbtset 1.0.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rbtset 1.0.2 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 70 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.7.0)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d672f97b62e4b4980a6620b1855788507d494589a09069a0b0309a7d11f7e3d6
[INFO] running `Command { std: "docker" "start" "-a" "d672f97b62e4b4980a6620b1855788507d494589a09069a0b0309a7d11f7e3d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d672f97b62e4b4980a6620b1855788507d494589a09069a0b0309a7d11f7e3d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d672f97b62e4b4980a6620b1855788507d494589a09069a0b0309a7d11f7e3d6", kill_on_drop: false }`
[INFO] [stdout] d672f97b62e4b4980a6620b1855788507d494589a09069a0b0309a7d11f7e3d6
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c11652c26897f5b36b168cd708380d60ba8541ef936d9855b03e51ca1bb879e2
[INFO] running `Command { std: "docker" "start" "-a" "c11652c26897f5b36b168cd708380d60ba8541ef936d9855b03e51ca1bb879e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling rbtset v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "c11652c26897f5b36b168cd708380d60ba8541ef936d9855b03e51ca1bb879e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c11652c26897f5b36b168cd708380d60ba8541ef936d9855b03e51ca1bb879e2", kill_on_drop: false }`
[INFO] [stdout] c11652c26897f5b36b168cd708380d60ba8541ef936d9855b03e51ca1bb879e2
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0cbf6c870f77f96b9d32e3156e58d43aa327b4466f555ff26c840151348cf541
[INFO] running `Command { std: "docker" "start" "-a" "0cbf6c870f77f96b9d32e3156e58d43aa327b4466f555ff26c840151348cf541", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling csv-core v0.1.13
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling half v1.8.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling criterion-plot v0.4.5
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling csv v1.4.0
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.3.6
[INFO] [stderr]    Compiling rbtset v1.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]    --> src/tree.rs:949:25
[INFO] [stdout]     |
[INFO] [stdout] 949 |         InvalidDepth(T, i64),
[INFO] [stdout]     |         ------------    ^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `InvalidReason` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 949 -         InvalidDepth(T, i64),
[INFO] [stdout] 949 +         InvalidDepth(T, ()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 12.98s
[INFO] running `Command { std: "docker" "inspect" "0cbf6c870f77f96b9d32e3156e58d43aa327b4466f555ff26c840151348cf541", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cbf6c870f77f96b9d32e3156e58d43aa327b4466f555ff26c840151348cf541", kill_on_drop: false }`
[INFO] [stdout] 0cbf6c870f77f96b9d32e3156e58d43aa327b4466f555ff26c840151348cf541
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8bcaecc74c3ce48dcb749a2fe3f0023e77f5b2820770c5477e55a1ca20fead78
[INFO] running `Command { std: "docker" "start" "-a" "8bcaecc74c3ce48dcb749a2fe3f0023e77f5b2820770c5477e55a1ca20fead78", kill_on_drop: false }`
[INFO] [stderr] warning: field `1` is never read
[INFO] [stderr]    --> src/tree.rs:949:25
[INFO] [stderr]     |
[INFO] [stderr] 949 |         InvalidDepth(T, i64),
[INFO] [stderr]     |         ------------    ^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `InvalidReason` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 949 -         InvalidDepth(T, i64),
[INFO] [stderr] 949 +         InvalidDepth(T, ()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `rbtset` (lib test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rbtset-6b7edc0a68ab4991)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tree::tests::clone ... ok
[INFO] [stdout] test tree::tests::delete ... ok
[INFO] [stdout] test tree::tests::insert ... ok
[INFO] [stdout] test tree::tests::repack ... ok
[INFO] [stdout] test tree::tests::rotate_left_root ... ok
[INFO] [stdout] test tree::tests::iterator ... ok
[INFO] [stdout] test tree::tests::delete_pseudoleaves ... ok
[INFO] [stdout] test tree::tests::rotate_right_parent ... ok
[INFO] [stdout] test tree::tests::rotate_right_root ... ok
[INFO] [stdout] test tree::tests::rotate_left_parent ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rbtset
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test src/tree.rs - tree::RBTreeSet<T>::last (line 490) ... ok
[INFO] [stdout] test src/tree.rs - tree::RBTreeSet (line 31) ... ok
[INFO] [stdout] test src/tree.rs - tree::RBTreeSet<T>::iter (line 542) ... ok
[INFO] [stdout] test src/tree.rs - tree::RBTreeSet<T>::iter_from (line 564) ... ok
[INFO] [stdout] test src/tree.rs - tree::RBTreeSet<T>::insert (line 227) ... ok
[INFO] [stdout] test src/tree.rs - tree::RBTreeSet<T>::dump_tree_as_dot (line 738) ... ok
[INFO] [stdout] test src/tree.rs - tree::RBTreeSet<T>::first (line 470) ... ok
[INFO] [stdout] test src/tree.rs - tree::RBTreeSet<T>::get (line 87) ... ok
[INFO] [stdout] test src/tree.rs - tree::RBTreeSet<T>::remove_node (line 396) ... ok
[INFO] [stdout] test src/tree.rs - tree::RBTreeSet<T>::len (line 510) ... ok
[INFO] [stdout] test src/tree.rs - tree::RBTreeSet<T>::repack (line 648) ... ok
[INFO] [stdout] test src/tree.rs - tree::RBTreeSet<T>::clear (line 276) ... ok
[INFO] [stdout] test src/tree.rs - tree::RBTreeSet<T>::is_empty (line 526) ... ok
[INFO] [stdout] test src/tree.rs - tree::RBTreeSet<T>::get_node (line 297) ... ok
[INFO] [stdout] test src/lib.rs - Consecutive (line 22) ... ok
[INFO] [stdout] test src/tree.rs - tree::RBTreeSet<T>::values_from (line 620) ... ok
[INFO] [stdout] test src/tree.rs - tree::RBTreeSet<T>::values (line 591) ... ok
[INFO] [stdout] test src/tree.rs - tree::RBTreeSet<T>::remove (line 254) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.26s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8bcaecc74c3ce48dcb749a2fe3f0023e77f5b2820770c5477e55a1ca20fead78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bcaecc74c3ce48dcb749a2fe3f0023e77f5b2820770c5477e55a1ca20fead78", kill_on_drop: false }`
[INFO] [stdout] 8bcaecc74c3ce48dcb749a2fe3f0023e77f5b2820770c5477e55a1ca20fead78