[INFO] fetching crate rbtree_rust 0.1.0...
[INFO] testing rbtree_rust-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate rbtree_rust 0.1.0 into /workspace/builds/worker-1-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rbtree_rust 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05eddb3303157003199f4b59351c4acaad74a44ec31ab6010555bfee5816072f
[INFO] running `Command { std: "docker" "start" "-a" "05eddb3303157003199f4b59351c4acaad74a44ec31ab6010555bfee5816072f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05eddb3303157003199f4b59351c4acaad74a44ec31ab6010555bfee5816072f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05eddb3303157003199f4b59351c4acaad74a44ec31ab6010555bfee5816072f", kill_on_drop: false }`
[INFO] [stdout] 05eddb3303157003199f4b59351c4acaad74a44ec31ab6010555bfee5816072f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0981b2c32c33115453e7180889434a70cb658e5e2854124e4154a77f59c9b361
[INFO] running `Command { std: "docker" "start" "-a" "0981b2c32c33115453e7180889434a70cb658e5e2854124e4154a77f59c9b361", 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "0981b2c32c33115453e7180889434a70cb658e5e2854124e4154a77f59c9b361", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0981b2c32c33115453e7180889434a70cb658e5e2854124e4154a77f59c9b361", kill_on_drop: false }`
[INFO] [stdout] 0981b2c32c33115453e7180889434a70cb658e5e2854124e4154a77f59c9b361
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0abdd26b16a1e3ade6f9de1a6087cdcc48f34943bbc1172024a394c5678d5536
[INFO] running `Command { std: "docker" "start" "-a" "0abdd26b16a1e3ade6f9de1a6087cdcc48f34943bbc1172024a394c5678d5536", kill_on_drop: false }`
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rbtree_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "0abdd26b16a1e3ade6f9de1a6087cdcc48f34943bbc1172024a394c5678d5536", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0abdd26b16a1e3ade6f9de1a6087cdcc48f34943bbc1172024a394c5678d5536", kill_on_drop: false }`
[INFO] [stdout] 0abdd26b16a1e3ade6f9de1a6087cdcc48f34943bbc1172024a394c5678d5536
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ae5ddf2d4921da37e33ecb8d3bad3fcb35323fbe5e15daef424206862a799b14
[INFO] running `Command { std: "docker" "start" "-a" "ae5ddf2d4921da37e33ecb8d3bad3fcb35323fbe5e15daef424206862a799b14", kill_on_drop: false }`
[INFO] [stderr] warning: function `read_blocks_from_file` is never used
[INFO] [stderr]  --> src/utils.rs:3:8
[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)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rbtree_rust` (lib) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rbtree_rust-27713279e5fede15)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[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 0.10s
[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" "ae5ddf2d4921da37e33ecb8d3bad3fcb35323fbe5e15daef424206862a799b14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae5ddf2d4921da37e33ecb8d3bad3fcb35323fbe5e15daef424206862a799b14", kill_on_drop: false }`
[INFO] [stdout] ae5ddf2d4921da37e33ecb8d3bad3fcb35323fbe5e15daef424206862a799b14