[INFO] fetching crate rbtree_rust 0.1.0...
[INFO] testing rbtree_rust-0.1.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate rbtree_rust 0.1.0 into /workspace/builds/worker-0-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-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rbtree_rust 0.1.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e8c48106f895a80a631b415dc51c4052930dd906ca5618e2dc3204f12446fbf4
[INFO] running `Command { std: "docker" "start" "-a" "e8c48106f895a80a631b415dc51c4052930dd906ca5618e2dc3204f12446fbf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8c48106f895a80a631b415dc51c4052930dd906ca5618e2dc3204f12446fbf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8c48106f895a80a631b415dc51c4052930dd906ca5618e2dc3204f12446fbf4", kill_on_drop: false }`
[INFO] [stdout] e8c48106f895a80a631b415dc51c4052930dd906ca5618e2dc3204f12446fbf4
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d13ab6c8c2447d3e85b411beb60fdd09ae8f3f41d6663ee4c45ba0024b8dace
[INFO] running `Command { std: "docker" "start" "-a" "4d13ab6c8c2447d3e85b411beb60fdd09ae8f3f41d6663ee4c45ba0024b8dace", 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 0.26s
[INFO] running `Command { std: "docker" "inspect" "4d13ab6c8c2447d3e85b411beb60fdd09ae8f3f41d6663ee4c45ba0024b8dace", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d13ab6c8c2447d3e85b411beb60fdd09ae8f3f41d6663ee4c45ba0024b8dace", kill_on_drop: false }`
[INFO] [stdout] 4d13ab6c8c2447d3e85b411beb60fdd09ae8f3f41d6663ee4c45ba0024b8dace
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b14b40d6219c4a619c82aee5f4288745bf6e0c2a740a5389fbc366e15e549f6c
[INFO] running `Command { std: "docker" "start" "-a" "b14b40d6219c4a619c82aee5f4288745bf6e0c2a740a5389fbc366e15e549f6c", 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 0.46s
[INFO] running `Command { std: "docker" "inspect" "b14b40d6219c4a619c82aee5f4288745bf6e0c2a740a5389fbc366e15e549f6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b14b40d6219c4a619c82aee5f4288745bf6e0c2a740a5389fbc366e15e549f6c", kill_on_drop: false }`
[INFO] [stdout] b14b40d6219c4a619c82aee5f4288745bf6e0c2a740a5389fbc366e15e549f6c
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 615c92aa2df4187e145872342b585355a57ecbe6b5bf20f62e8fe3f413ba30e8
[INFO] running `Command { std: "docker" "start" "-a" "615c92aa2df4187e145872342b585355a57ecbe6b5bf20f62e8fe3f413ba30e8", 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)]` (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-1efcd20e73eff23f)
[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 0.09s
[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" "615c92aa2df4187e145872342b585355a57ecbe6b5bf20f62e8fe3f413ba30e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "615c92aa2df4187e145872342b585355a57ecbe6b5bf20f62e8fe3f413ba30e8", kill_on_drop: false }`
[INFO] [stdout] 615c92aa2df4187e145872342b585355a57ecbe6b5bf20f62e8fe3f413ba30e8