[INFO] cloning repository https://github.com/d3lio/binary-tree-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/d3lio/binary-tree-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd3lio%2Fbinary-tree-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd3lio%2Fbinary-tree-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f07f35c1350650ec11230597b4b7cff64296068e
[INFO] testing d3lio/binary-tree-rs against try#ed7f3d77595b4831fdf085f2529aa13b5b51ff7d for pr-134530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd3lio%2Fbinary-tree-rs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/d3lio/binary-tree-rs on toolchain ed7f3d77595b4831fdf085f2529aa13b5b51ff7d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/d3lio/binary-tree-rs
[INFO] finished tweaking git repo https://github.com/d3lio/binary-tree-rs
[INFO] tweaked toml for git repo https://github.com/d3lio/binary-tree-rs written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/d3lio/binary-tree-rs 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" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22711afd06f29b91d04fcbbeeae4499a1e760ea7e1fd309cc8518cd55c52ebf5
[INFO] running `Command { std: "docker" "start" "-a" "22711afd06f29b91d04fcbbeeae4499a1e760ea7e1fd309cc8518cd55c52ebf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22711afd06f29b91d04fcbbeeae4499a1e760ea7e1fd309cc8518cd55c52ebf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22711afd06f29b91d04fcbbeeae4499a1e760ea7e1fd309cc8518cd55c52ebf5", kill_on_drop: false }`
[INFO] [stdout] 22711afd06f29b91d04fcbbeeae4499a1e760ea7e1fd309cc8518cd55c52ebf5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0ffd5dcad7520f5c8f0c75f3b660c5e8dc80d5a423977c03529bf4da09ae789
[INFO] running `Command { std: "docker" "start" "-a" "b0ffd5dcad7520f5c8f0c75f3b660c5e8dc80d5a423977c03529bf4da09ae789", kill_on_drop: false }`
[INFO] [stderr]    Compiling binary-search-tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `is_sorted`
[INFO] [stdout]   --> src/binary_search_tree/iter.rs:62:11
[INFO] [stdout]    |
[INFO] [stdout] 62 |     #[cfg(is_sorted)]
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `fmt_debug`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows`
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(is_sorted)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(is_sorted)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `exact_size_is_empty`
[INFO] [stdout]   --> src/binary_search_tree/iter.rs:86:11
[INFO] [stdout]    |
[INFO] [stdout] 86 |     #[cfg(exact_size_is_empty)]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(exact_size_is_empty)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(exact_size_is_empty)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `is_sorted`
[INFO] [stdout]   --> src/binary_search_tree/into_iter.rs:61:11
[INFO] [stdout]    |
[INFO] [stdout] 61 |     #[cfg(is_sorted)]
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(is_sorted)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(is_sorted)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `exact_size_is_empty`
[INFO] [stdout]    --> src/binary_search_tree/into_iter.rs:109:11
[INFO] [stdout]     |
[INFO] [stdout] 109 |     #[cfg(exact_size_is_empty)]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(exact_size_is_empty)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(exact_size_is_empty)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "b0ffd5dcad7520f5c8f0c75f3b660c5e8dc80d5a423977c03529bf4da09ae789", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0ffd5dcad7520f5c8f0c75f3b660c5e8dc80d5a423977c03529bf4da09ae789", kill_on_drop: false }`
[INFO] [stdout] b0ffd5dcad7520f5c8f0c75f3b660c5e8dc80d5a423977c03529bf4da09ae789
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5494873e6680bfe36aae619b70be5d1fc1519024d397b28c5c78f248e34518b
[INFO] running `Command { std: "docker" "start" "-a" "b5494873e6680bfe36aae619b70be5d1fc1519024d397b28c5c78f248e34518b", kill_on_drop: false }`
[INFO] [stdout] warning: unexpected `cfg` condition name: `is_sorted`
[INFO] [stdout]   --> src/binary_search_tree/iter.rs:62:11
[INFO] [stdout]    |
[INFO] [stdout] 62 |     #[cfg(is_sorted)]
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `fmt_debug`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows`
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(is_sorted)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(is_sorted)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `exact_size_is_empty`
[INFO] [stdout]   --> src/binary_search_tree/iter.rs:86:11
[INFO] [stdout]    |
[INFO] [stdout] 86 |     #[cfg(exact_size_is_empty)]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(exact_size_is_empty)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(exact_size_is_empty)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `is_sorted`
[INFO] [stdout]   --> src/binary_search_tree/into_iter.rs:61:11
[INFO] [stdout]    |
[INFO] [stdout] 61 |     #[cfg(is_sorted)]
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(is_sorted)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(is_sorted)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `exact_size_is_empty`
[INFO] [stdout]    --> src/binary_search_tree/into_iter.rs:109:11
[INFO] [stdout]     |
[INFO] [stdout] 109 |     #[cfg(exact_size_is_empty)]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(exact_size_is_empty)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(exact_size_is_empty)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling binary-search-tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `is_sorted`
[INFO] [stdout]   --> src/binary_search_tree/iter.rs:62:11
[INFO] [stdout]    |
[INFO] [stdout] 62 |     #[cfg(is_sorted)]
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `fmt_debug`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows`
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(is_sorted)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(is_sorted)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `exact_size_is_empty`
[INFO] [stdout]   --> src/binary_search_tree/iter.rs:86:11
[INFO] [stdout]    |
[INFO] [stdout] 86 |     #[cfg(exact_size_is_empty)]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(exact_size_is_empty)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(exact_size_is_empty)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `is_sorted`
[INFO] [stdout]   --> src/binary_search_tree/into_iter.rs:61:11
[INFO] [stdout]    |
[INFO] [stdout] 61 |     #[cfg(is_sorted)]
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(is_sorted)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(is_sorted)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `exact_size_is_empty`
[INFO] [stdout]    --> src/binary_search_tree/into_iter.rs:109:11
[INFO] [stdout]     |
[INFO] [stdout] 109 |     #[cfg(exact_size_is_empty)]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(exact_size_is_empty)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(exact_size_is_empty)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "b5494873e6680bfe36aae619b70be5d1fc1519024d397b28c5c78f248e34518b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5494873e6680bfe36aae619b70be5d1fc1519024d397b28c5c78f248e34518b", kill_on_drop: false }`
[INFO] [stdout] b5494873e6680bfe36aae619b70be5d1fc1519024d397b28c5c78f248e34518b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5940edc23e41bcf884bbb96008650c3d0c0e53ac0c1f1aa34e7e1953843a1efa
[INFO] running `Command { std: "docker" "start" "-a" "5940edc23e41bcf884bbb96008650c3d0c0e53ac0c1f1aa34e7e1953843a1efa", kill_on_drop: false }`
[INFO] [stderr] warning: unexpected `cfg` condition name: `is_sorted`
[INFO] [stderr]   --> src/binary_search_tree/iter.rs:62:11
[INFO] [stderr]    |
[INFO] [stderr] 62 |     #[cfg(is_sorted)]
[INFO] [stderr]    |           ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `fmt_debug`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows`
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(is_sorted)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(is_sorted)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `exact_size_is_empty`
[INFO] [stderr]   --> src/binary_search_tree/iter.rs:86:11
[INFO] [stderr]    |
[INFO] [stderr] 86 |     #[cfg(exact_size_is_empty)]
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(exact_size_is_empty)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(exact_size_is_empty)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `is_sorted`
[INFO] [stderr]   --> src/binary_search_tree/into_iter.rs:61:11
[INFO] [stderr]    |
[INFO] [stderr] 61 |     #[cfg(is_sorted)]
[INFO] [stderr]    |           ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(is_sorted)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(is_sorted)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `exact_size_is_empty`
[INFO] [stderr]    --> src/binary_search_tree/into_iter.rs:109:11
[INFO] [stderr]     |
[INFO] [stderr] 109 |     #[cfg(exact_size_is_empty)]
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(exact_size_is_empty)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(exact_size_is_empty)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: `binary-search-tree` (lib) generated 4 warnings
[INFO] [stderr] warning: `binary-search-tree` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/binary_search_tree-398f13ccb8978af5)
[INFO] [stdout] 
[INFO] [stdout] running 33 tests
[INFO] [stdout] test binary_search_tree::into_iter::test::max ... ok
[INFO] [stdout] test binary_search_tree::into_iter::test::min ... ok
[INFO] [stdout] test binary_search_tree::into_iter::test::max_none ... ok
[INFO] [stdout] test binary_search_tree::into_iter::test::min_none ... ok
[INFO] [stdout] test binary_search_tree::iter::test::max_none ... ok
[INFO] [stdout] test binary_search_tree::iter::test::min_none ... ok
[INFO] [stdout] test binary_search_tree::iter::test::min ... ok
[INFO] [stdout] test binary_search_tree::iter::test::max ... ok
[INFO] [stdout] test binary_search_tree::remove_test::complex_tree ... ok
[INFO] [stdout] test binary_search_tree::remove_test::remove_left_with_left_child ... ok
[INFO] [stdout] test binary_search_tree::remove_test::remove_all_elements_and_add_more ... ok
[INFO] [stdout] test binary_search_tree::remove_test::remove_all_elements ... ok
[INFO] [stdout] test binary_search_tree::remove_test::remove_half ... ok
[INFO] [stdout] test binary_search_tree::remove_test::remove_left_with_no_children ... ok
[INFO] [stdout] test binary_search_tree::remove_test::arena_remove_last_if_none_optimization ... ok
[INFO] [stdout] test binary_search_tree::remove_test::remove_left_with_two_children ... ok
[INFO] [stdout] test binary_search_tree::remove_test::remove_left_with_right_child ... ok
[INFO] [stdout] test binary_search_tree::remove_test::remove_right_with_left_child ... ok
[INFO] [stdout] test binary_search_tree::remove_test::remove_right_with_right_child ... ok
[INFO] [stdout] test binary_search_tree::remove_test::remove_right_with_two_children ... ok
[INFO] [stdout] test binary_search_tree::remove_test::reuse_free_arena_space ... ok
[INFO] [stdout] test binary_search_tree::remove_test::remove_when_duplicate ... ok
[INFO] [stdout] test binary_search_tree::test::empty ... ok
[INFO] [stdout] test binary_search_tree::test::clear ... ok
[INFO] [stdout] test binary_search_tree::test::into_iterator_for_loop_ref ... ok
[INFO] [stdout] test binary_search_tree::test::into_iterator_for_loop_consume ... ok
[INFO] [stdout] test binary_search_tree::test::max ... ok
[INFO] [stdout] test binary_search_tree::test::min ... ok
[INFO] [stdout] test binary_search_tree::remove_test::remove_right_with_no_children ... ok
[INFO] [stdout] test binary_search_tree::test::min_none ... ok
[INFO] [stdout] test binary_search_tree::test::max_none ... ok
[INFO] [stdout] test binary_search_tree::test::multiple_elements ... ok
[INFO] [stdout] test binary_search_tree::test::one_element ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 33 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests binary_search_tree
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/binary_search_tree/mod.rs - binary_search_tree::BinarySearchTree (line 55) ... ok
[INFO] [stdout] test src/binary_search_tree/mod.rs - binary_search_tree::BinarySearchTree<T>::max (line 130) ... ok
[INFO] [stdout] test src/binary_search_tree/mod.rs - binary_search_tree::BinarySearchTree<T>::clear (line 304) ... ok
[INFO] [stdout] test src/binary_search_tree/mod.rs - binary_search_tree::BinarySearchTree<T>::is_empty (line 287) ... ok
[INFO] [stdout] test src/binary_search_tree/iter.rs - binary_search_tree::iter::Iter (line 7) ... ok
[INFO] [stdout] test src/binary_search_tree/mod.rs - binary_search_tree::BinarySearchTree<T>::get (line 90) ... ok
[INFO] [stdout] test src/binary_search_tree/into_iter.rs - binary_search_tree::into_iter::IntoIter (line 7) ... ok
[INFO] [stdout] test src/binary_search_tree/mod.rs - binary_search_tree::BinarySearchTree<T>::add (line 158) ... ok
[INFO] [stdout] test src/binary_search_tree/mod.rs - binary_search_tree::BinarySearchTree<T>::size (line 271) ... ok
[INFO] [stdout] test src/binary_search_tree/mod.rs - binary_search_tree::BinarySearchTree<T>::min (line 104) ... ok
[INFO] [stdout] test src/binary_search_tree/mod.rs - binary_search_tree::BinarySearchTree<T>::remove (line 199) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.52s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5940edc23e41bcf884bbb96008650c3d0c0e53ac0c1f1aa34e7e1953843a1efa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5940edc23e41bcf884bbb96008650c3d0c0e53ac0c1f1aa34e7e1953843a1efa", kill_on_drop: false }`
[INFO] [stdout] 5940edc23e41bcf884bbb96008650c3d0c0e53ac0c1f1aa34e7e1953843a1efa