[INFO] fetching crate nimrodshn-btree 0.1.0...
[INFO] testing nimrodshn-btree-0.1.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate nimrodshn-btree 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate nimrodshn-btree 0.1.0
[INFO] finished tweaking crates.io crate nimrodshn-btree 0.1.0
[INFO] tweaked toml for crates.io crate nimrodshn-btree 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nimrodshn-btree 0.1.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 17 packages to latest compatible versions
[INFO] [stderr]       Adding uuid v0.8.2 (available: v1.18.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] caab586fb6835ff1bb179de489afb078d19e7d3030bbc18982ec18488d0870df
[INFO] running `Command { std: "docker" "start" "-a" "caab586fb6835ff1bb179de489afb078d19e7d3030bbc18982ec18488d0870df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "caab586fb6835ff1bb179de489afb078d19e7d3030bbc18982ec18488d0870df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caab586fb6835ff1bb179de489afb078d19e7d3030bbc18982ec18488d0870df", kill_on_drop: false }`
[INFO] [stdout] caab586fb6835ff1bb179de489afb078d19e7d3030bbc18982ec18488d0870df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce545fe5068c1ff28f39c88afa015965379562e4a5fc887b581f8484837bb0e0
[INFO] running `Command { std: "docker" "start" "-a" "ce545fe5068c1ff28f39c88afa015965379562e4a5fc887b581f8484837bb0e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling nimrodshn-btree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.04s
[INFO] running `Command { std: "docker" "inspect" "ce545fe5068c1ff28f39c88afa015965379562e4a5fc887b581f8484837bb0e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce545fe5068c1ff28f39c88afa015965379562e4a5fc887b581f8484837bb0e0", kill_on_drop: false }`
[INFO] [stdout] ce545fe5068c1ff28f39c88afa015965379562e4a5fc887b581f8484837bb0e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 732c1ae4ed5e53b2d6025e5e7954744e6aac252c589a778793996f2b8f40f821
[INFO] running `Command { std: "docker" "start" "-a" "732c1ae4ed5e53b2d6025e5e7954744e6aac252c589a778793996f2b8f40f821", kill_on_drop: false }`
[INFO] [stderr]    Compiling nimrodshn-btree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "732c1ae4ed5e53b2d6025e5e7954744e6aac252c589a778793996f2b8f40f821", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "732c1ae4ed5e53b2d6025e5e7954744e6aac252c589a778793996f2b8f40f821", kill_on_drop: false }`
[INFO] [stdout] 732c1ae4ed5e53b2d6025e5e7954744e6aac252c589a778793996f2b8f40f821
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 994a8d05139fd3241f4da4cb9bf3a21d08bd93ac0fe0c7852d75ce95c450b6da
[INFO] running `Command { std: "docker" "start" "-a" "994a8d05139fd3241f4da4cb9bf3a21d08bd93ac0fe0c7852d75ce95c450b6da", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/btree-e9bc592338b63a38)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test node::tests::page_to_node_works_for_internal_node ... ok
[INFO] [stdout] test node::tests::page_to_node_works_for_leaf_node ... ok
[INFO] [stdout] test page::tests::node_to_page_works_for_internal_node ... ok
[INFO] [stdout] test page::tests::node_to_page_works_for_leaf_node ... ok
[INFO] [stdout] test node::tests::split_internal_works ... ok
[INFO] [stdout] test node::tests::split_leaf_works ... ok
[INFO] [stdout] test btree::tests::delete_works ... FAILED
[INFO] [stdout] test btree::tests::insert_works ... FAILED
[INFO] [stdout] test btree::tests::delete_with_empty_sub_tree ... FAILED
[INFO] [stdout] test btree::tests::search_works ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- btree::tests::delete_works stdout ----
[INFO] [stdout] Error: KeyNotFound
[INFO] [stdout] 
[INFO] [stdout] ---- btree::tests::insert_works stdout ----
[INFO] [stdout] Error: KeyNotFound
[INFO] [stdout] 
[INFO] [stdout] ---- btree::tests::delete_with_empty_sub_tree stdout ----
[INFO] [stdout] Error: KeyNotFound
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     btree::tests::delete_with_empty_sub_tree
[INFO] [stdout]     btree::tests::delete_works
[INFO] [stdout]     btree::tests::insert_works
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 7 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "994a8d05139fd3241f4da4cb9bf3a21d08bd93ac0fe0c7852d75ce95c450b6da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "994a8d05139fd3241f4da4cb9bf3a21d08bd93ac0fe0c7852d75ce95c450b6da", kill_on_drop: false }`
[INFO] [stdout] 994a8d05139fd3241f4da4cb9bf3a21d08bd93ac0fe0c7852d75ce95c450b6da