[INFO] fetching crate flat_rbtree 0.2.3...
[INFO] testing flat_rbtree-0.2.3 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate flat_rbtree 0.2.3 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate flat_rbtree 0.2.3
[INFO] finished tweaking crates.io crate flat_rbtree 0.2.3
[INFO] tweaked toml for crates.io crate flat_rbtree 0.2.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate flat_rbtree 0.2.3 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate flat_rbtree 0.2.3 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rbtree v0.1.7
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 010a5cfebbb1b71abc9d7a56a6059765f0cd13ecbb97966229f7b6efdfa701a2
[INFO] running `Command { std: "docker" "start" "-a" "010a5cfebbb1b71abc9d7a56a6059765f0cd13ecbb97966229f7b6efdfa701a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "010a5cfebbb1b71abc9d7a56a6059765f0cd13ecbb97966229f7b6efdfa701a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "010a5cfebbb1b71abc9d7a56a6059765f0cd13ecbb97966229f7b6efdfa701a2", kill_on_drop: false }`
[INFO] [stdout] 010a5cfebbb1b71abc9d7a56a6059765f0cd13ecbb97966229f7b6efdfa701a2
[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=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7933b3afac843c3700e4766e6fa5126393024c079e74a3dea992433b12ba0691
[INFO] running `Command { std: "docker" "start" "-a" "7933b3afac843c3700e4766e6fa5126393024c079e74a3dea992433b12ba0691", kill_on_drop: false }`
[INFO] [stderr]    Compiling flat_rbtree v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "7933b3afac843c3700e4766e6fa5126393024c079e74a3dea992433b12ba0691", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7933b3afac843c3700e4766e6fa5126393024c079e74a3dea992433b12ba0691", kill_on_drop: false }`
[INFO] [stdout] 7933b3afac843c3700e4766e6fa5126393024c079e74a3dea992433b12ba0691
[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=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 962ec52b2c3b05d7ca98ca78a33c48dc9316a13782d6bbf51dfa8565909c6997
[INFO] running `Command { std: "docker" "start" "-a" "962ec52b2c3b05d7ca98ca78a33c48dc9316a13782d6bbf51dfa8565909c6997", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling clap_lex v0.7.5
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling anstyle v1.0.11
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling rbtree v0.1.7
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling clap_builder v4.5.40
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.1
[INFO] [stderr]    Compiling clap v4.5.40
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.6.0
[INFO] [stderr]    Compiling flat_rbtree v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 20.85s
[INFO] running `Command { std: "docker" "inspect" "962ec52b2c3b05d7ca98ca78a33c48dc9316a13782d6bbf51dfa8565909c6997", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "962ec52b2c3b05d7ca98ca78a33c48dc9316a13782d6bbf51dfa8565909c6997", kill_on_drop: false }`
[INFO] [stdout] 962ec52b2c3b05d7ca98ca78a33c48dc9316a13782d6bbf51dfa8565909c6997
[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=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 093207fe07479acb61a94acea6c0f2c8039690f316f3108ef3cc13f5499bf16c
[INFO] running `Command { std: "docker" "start" "-a" "093207fe07479acb61a94acea6c0f2c8039690f316f3108ef3cc13f5499bf16c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/flat_rbtree-6a8c7ea0684337eb)
[INFO] [stdout] running 14 tests
[INFO] [stderr]    Doc-tests flat_rbtree
[INFO] [stdout] test tests::test_balanced_after_removal ... ok
[INFO] [stdout] test tests::test_descending_inserts_then_remove_half ... ok
[INFO] [stdout] test tests::test_example ... ok
[INFO] [stdout] test tests::test_insert_and_search ... ok
[INFO] [stdout] test tests::test_min_and_max ... ok
[INFO] [stdout] test tests::test_multiple_insert_remove ... ok
[INFO] [stdout] test tests::test_remove_leaf_node ... ok
[INFO] [stdout] test tests::test_random_insertion_and_removal ... ok
[INFO] [stdout] test tests::test_reinsert_removed_key ... ok
[INFO] [stdout] test tests::test_utils ... ok
[INFO] [stdout] test tests::test_large_insertion_and_removal ... ok
[INFO] [stdout] test tests::test_remove_node_with_one_child ... ok
[INFO] [stdout] test tests::test_remove_node_with_two_children ... ok
[INFO] [stdout] test tests::test_iter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 17) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "093207fe07479acb61a94acea6c0f2c8039690f316f3108ef3cc13f5499bf16c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "093207fe07479acb61a94acea6c0f2c8039690f316f3108ef3cc13f5499bf16c", kill_on_drop: false }`
[INFO] [stdout] 093207fe07479acb61a94acea6c0f2c8039690f316f3108ef3cc13f5499bf16c