[INFO] fetching crate bst-rs 0.1.0...
[INFO] testing bst-rs-0.1.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_getrandom_patch_0
[INFO] extracting crate bst-rs 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate bst-rs 0.1.0
[INFO] finished tweaking crates.io crate bst-rs 0.1.0
[INFO] tweaked toml for crates.io crate bst-rs 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate bst-rs 0.1.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 782e63ee1aa3197e43e4276a195c205c0febebac0a8e426e04a81932a2433f35
[INFO] running `Command { std: "docker" "start" "-a" "782e63ee1aa3197e43e4276a195c205c0febebac0a8e426e04a81932a2433f35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "782e63ee1aa3197e43e4276a195c205c0febebac0a8e426e04a81932a2433f35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "782e63ee1aa3197e43e4276a195c205c0febebac0a8e426e04a81932a2433f35", kill_on_drop: false }`
[INFO] [stdout] 782e63ee1aa3197e43e4276a195c205c0febebac0a8e426e04a81932a2433f35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 22f7e42011a6b09ba34954057e810f8a58838cd3c86d35aecec6024f55d83370
[INFO] running `Command { std: "docker" "start" "-a" "22f7e42011a6b09ba34954057e810f8a58838cd3c86d35aecec6024f55d83370", kill_on_drop: false }`
[INFO] [stderr]    Compiling bst-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "22f7e42011a6b09ba34954057e810f8a58838cd3c86d35aecec6024f55d83370", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22f7e42011a6b09ba34954057e810f8a58838cd3c86d35aecec6024f55d83370", kill_on_drop: false }`
[INFO] [stdout] 22f7e42011a6b09ba34954057e810f8a58838cd3c86d35aecec6024f55d83370
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 4f23d0f377188c81073f6dd3e1deb8285f09261d5af43b8408cc5bcd1395a347
[INFO] running `Command { std: "docker" "start" "-a" "4f23d0f377188c81073f6dd3e1deb8285f09261d5af43b8408cc5bcd1395a347", kill_on_drop: false }`
[INFO] [stderr]    Compiling bst-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "4f23d0f377188c81073f6dd3e1deb8285f09261d5af43b8408cc5bcd1395a347", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f23d0f377188c81073f6dd3e1deb8285f09261d5af43b8408cc5bcd1395a347", kill_on_drop: false }`
[INFO] [stdout] 4f23d0f377188c81073f6dd3e1deb8285f09261d5af43b8408cc5bcd1395a347
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 49bde1e2cf46684242242037ea543d2edd88b471584ed00faddeeca923152173
[INFO] running `Command { std: "docker" "start" "-a" "49bde1e2cf46684242242037ea543d2edd88b471584ed00faddeeca923152173", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/bst_rs-ea56fbec51f8dd61)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/iterative_bst.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/iterative_bst-6d841cec4e295858)
[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] [stdout] 
[INFO] [stdout] running 44 tests
[INFO] [stdout] test check_if_bst_is_not_empty ... ok
[INFO] [stdout] test in_order_iter ... ok
[INFO] [stdout] test into_in_order_iter ... ok
[INFO] [stdout] test check_if_bst_contains_elements ... ok
[INFO] [stdout] test into_in_order_iter_with_no_elements ... ok
[INFO] [stdout] test into_level_order_iter_with_many_elements ... ok
[INFO] [stdout] test into_level_order_iter_with_no_elements ... ok
[INFO] [stderr]      Running tests/recursive_bst.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/recursive_bst-3c5d6b7fa93c9da9)
[INFO] [stdout] test into_post_order_iter_with_many_elements ... ok
[INFO] [stdout] test into_pre_order_iter ... ok
[INFO] [stdout] test into_pre_order_iter_with_no_elements ... ok
[INFO] [stdout] test into_in_order_iter_with_one_element ... ok
[INFO] [stdout] test into_pre_order_iter_with_one_element ... ok
[INFO] [stdout] test level_order_iter ... ok
[INFO] [stdout] test check_if_bst_is_empty ... ok
[INFO] [stdout] test into_post_order_iter_with_no_elements ... ok
[INFO] [stdout] test into_post_order_iter_with_one_element ... ok
[INFO] [stdout] test pre_order_iter ... ok
[INFO] [stdout] test successfully_clone_bst ... ok
[INFO] [stdout] test successfully_create_bst_from_into_vec ... ok
[INFO] [stdout] test successfully_clone_into_another_bst ... ok
[INFO] [stdout] test successfully_get_level_order_vec ... ok
[INFO] [stdout] test successfully_create_bst_from_slice ... ok
[INFO] [stdout] test successfully_create_bst_from_iter ... ok
[INFO] [stdout] test successfully_create_bst_from_vec ... ok
[INFO] [stdout] test successfully_extend_bst_from_iter ... ok
[INFO] [stdout] test successfully_get_max_from_bst ... ok
[INFO] [stdout] test successfully_get_min_from_bst ... ok
[INFO] [stdout] test successfully_get_post_order_vec ... ok
[INFO] [stdout] test successfully_get_pre_order_vec ... ok
[INFO] [stdout] test successfully_insert_elements_into_bst ... ok
[INFO] [stdout] test successfully_remove_leaf_node ... ok
[INFO] [stdout] test successfully_remove_max_from_bst ... ok
[INFO] [stdout] test successfully_remove_min_from_bst ... ok
[INFO] [stdout] test successfully_remove_node_with_two_children ... ok
[INFO] [stdout] test successfully_remove_root_node_from_bst ... ok
[INFO] [stdout] test successfully_remove_single_left_node_with_children ... ok
[INFO] [stdout] test successfully_remove_single_right_node_with_children ... ok
[INFO] [stdout] test successfully_does_not_fail_when_removing_non_existing_element ... ok
[INFO] [stdout] test successfully_retrieve_element ... ok
[INFO] [stdout] test successfully_retrieve_element_as_mut_and_modify_bst ... ok
[INFO] [stdout] test successfully_get_height_of_bst ... ok
[INFO] [stdout] test into_level_order_iter_with_one_element ... ok
[INFO] [stdout] test successfully_get_in_order_vec ... ok
[INFO] [stdout] test post_order_iter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 44 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 44 tests
[INFO] [stdout] test check_if_bst_is_empty ... ok
[INFO] [stdout] test check_if_bst_contains_elements ... ok
[INFO] [stdout] test check_if_bst_is_not_empty ... ok
[INFO] [stdout] test into_level_order_iter_with_many_elements ... ok
[INFO] [stdout] test into_level_order_iter_with_no_elements ... ok
[INFO] [stdout] test into_level_order_iter_with_one_element ... ok
[INFO] [stdout] test into_post_order_iter_with_many_elements ... ok
[INFO] [stdout] test into_post_order_iter_with_one_element ... ok
[INFO] [stdout] test into_pre_order_iter_with_no_elements ... ok
[INFO] [stdout] test into_post_order_iter_with_no_elements ... ok
[INFO] [stdout] test into_in_order_iter_with_one_element ... ok
[INFO] [stdout] test post_order_iter ... ok
[INFO] [stdout] test pre_order_iter ... ok
[INFO] [stdout] test successfully_clone_into_another_bst ... ok
[INFO] [stdout] test successfully_create_bst_from_iter ... ok
[INFO] [stdout] test into_in_order_iter_with_no_elements ... ok
[INFO] [stdout] test level_order_iter ... ok
[INFO] [stdout] test into_pre_order_iter_with_one_element ... ok
[INFO] [stdout] test into_pre_order_iter ... ok
[INFO] [stdout] test successfully_clone_bst ... ok
[INFO] [stdout] test successfully_create_bst_from_into_vec ... ok
[INFO] [stdout] test successfully_create_bst_from_slice ... ok
[INFO] [stdout] test successfully_does_not_fail_when_removing_non_existing_element ... ok
[INFO] [stdout] test successfully_create_bst_from_vec ... ok
[INFO] [stdout] test successfully_extend_bst_from_iter ... ok
[INFO] [stdout] test successfully_get_level_order_vec ... ok
[INFO] [stdout] test successfully_get_min_from_bst ... ok
[INFO] [stdout] test successfully_get_height_of_bst ... ok
[INFO] [stdout] test successfully_get_max_from_bst ... ok
[INFO] [stdout] test in_order_iter ... ok
[INFO] [stdout] test successfully_get_in_order_vec ... ok
[INFO] [stdout] test into_in_order_iter ... ok
[INFO] [stdout] test successfully_remove_max_from_bst ... ok
[INFO] [stdout] test successfully_get_post_order_vec ... ok
[INFO] [stdout] test successfully_get_pre_order_vec ... ok
[INFO] [stdout] test successfully_insert_elements_into_bst ... ok
[INFO] [stdout] test successfully_remove_leaf_node ... ok
[INFO] [stdout] test successfully_remove_min_from_bst ... ok
[INFO] [stdout] test successfully_remove_node_with_two_children ... ok
[INFO] [stdout] test successfully_remove_root_node_from_bst ... ok
[INFO] [stdout] test successfully_remove_single_left_node_with_children ... ok
[INFO] [stdout] test successfully_remove_single_right_node_with_children ... ok
[INFO] [stdout] test successfully_retrieve_element ... ok
[INFO] [stdout] test successfully_retrieve_element_as_mut_and_modify_bst ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 44 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "49bde1e2cf46684242242037ea543d2edd88b471584ed00faddeeca923152173", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49bde1e2cf46684242242037ea543d2edd88b471584ed00faddeeca923152173", kill_on_drop: false }`
[INFO] [stdout] 49bde1e2cf46684242242037ea543d2edd88b471584ed00faddeeca923152173