[INFO] fetching crate rbtree_rust 0.1.0...
[INFO] testing rbtree_rust-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate rbtree_rust 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate rbtree_rust 0.1.0
[INFO] finished tweaking crates.io crate rbtree_rust 0.1.0
[INFO] tweaked toml for crates.io crate rbtree_rust 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rbtree_rust 0.1.0 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 crates.io crate rbtree_rust 0.1.0 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] aeb6114ba9c4b6f1b0368b4f3d2322da6493676d0e5456be29a4ce0b55c780bb
[INFO] running `Command { std: "docker" "start" "-a" "aeb6114ba9c4b6f1b0368b4f3d2322da6493676d0e5456be29a4ce0b55c780bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aeb6114ba9c4b6f1b0368b4f3d2322da6493676d0e5456be29a4ce0b55c780bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aeb6114ba9c4b6f1b0368b4f3d2322da6493676d0e5456be29a4ce0b55c780bb", kill_on_drop: false }`
[INFO] [stdout] aeb6114ba9c4b6f1b0368b4f3d2322da6493676d0e5456be29a4ce0b55c780bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 2e452c60390c957922f2c92a46405728a8def6fd278315397a928a102eddb3df
[INFO] running `Command { std: "docker" "start" "-a" "2e452c60390c957922f2c92a46405728a8def6fd278315397a928a102eddb3df", kill_on_drop: false }`
[INFO] [stderr]    Compiling rbtree_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `read_blocks_from_file` is never used
[INFO] [stdout]  --> src/utils.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn read_blocks_from_file<T>(path: &str, array: &mut [T], count: usize) -> io::Result<()> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "2e452c60390c957922f2c92a46405728a8def6fd278315397a928a102eddb3df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e452c60390c957922f2c92a46405728a8def6fd278315397a928a102eddb3df", kill_on_drop: false }`
[INFO] [stdout] 2e452c60390c957922f2c92a46405728a8def6fd278315397a928a102eddb3df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 3d6d9b8ca6327b164a88ae95a136f9d9c3b411250a3318c109c30a22b4f25893
[INFO] running `Command { std: "docker" "start" "-a" "3d6d9b8ca6327b164a88ae95a136f9d9c3b411250a3318c109c30a22b4f25893", kill_on_drop: false }`
[INFO] [stderr]    Compiling rbtree_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `read_blocks_from_file` is never used
[INFO] [stdout]  --> src/utils.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn read_blocks_from_file<T>(path: &str, array: &mut [T], count: usize) -> io::Result<()> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "3d6d9b8ca6327b164a88ae95a136f9d9c3b411250a3318c109c30a22b4f25893", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d6d9b8ca6327b164a88ae95a136f9d9c3b411250a3318c109c30a22b4f25893", kill_on_drop: false }`
[INFO] [stdout] 3d6d9b8ca6327b164a88ae95a136f9d9c3b411250a3318c109c30a22b4f25893
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 5a75f01b0c1a2ee64a571b76af5de05bca09f9cd888a04e8e97919661397c512
[INFO] running `Command { std: "docker" "start" "-a" "5a75f01b0c1a2ee64a571b76af5de05bca09f9cd888a04e8e97919661397c512", kill_on_drop: false }`
[INFO] [stderr] warning: function `read_blocks_from_file` is never used
[INFO] [stdout] 
[INFO] [stderr]  --> src/utils.rs:3:8
[INFO] [stdout] running 3 tests
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn read_blocks_from_file<T>(path: &str, array: &mut [T], count: usize) -> io::Result<()> {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rbtree_rust` (lib) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rbtree_rust-0bba4d7a04fa197b)
[INFO] [stdout] test utils::test::read_10xi32_from_urandom ... ok
[INFO] [stdout] test test::debug ... ok
[INFO] [stdout] test test::stress ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rbtree_rust
[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" "5a75f01b0c1a2ee64a571b76af5de05bca09f9cd888a04e8e97919661397c512", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a75f01b0c1a2ee64a571b76af5de05bca09f9cd888a04e8e97919661397c512", kill_on_drop: false }`
[INFO] [stdout] 5a75f01b0c1a2ee64a571b76af5de05bca09f9cd888a04e8e97919661397c512