[INFO] fetching crate btree-vec 0.3.1...
[INFO] testing btree-vec-0.3.1 against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] extracting crate btree-vec 0.3.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate btree-vec 0.3.1 on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate btree-vec 0.3.1
[INFO] finished tweaking crates.io crate btree-vec 0.3.1
[INFO] tweaked toml for crates.io crate btree-vec 0.3.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded allocator-fallback v0.1.8
[INFO] [stderr]   Downloaded add-syntax v0.1.0
[INFO] [stderr]   Downloaded tagged-pointer v0.2.7
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d58502ce3b9e71b218b2ef2af6232257916c6e239ae1fdf635d5e6f0d2590d9
[INFO] running `Command { std: "docker" "start" "-a" "0d58502ce3b9e71b218b2ef2af6232257916c6e239ae1fdf635d5e6f0d2590d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d58502ce3b9e71b218b2ef2af6232257916c6e239ae1fdf635d5e6f0d2590d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d58502ce3b9e71b218b2ef2af6232257916c6e239ae1fdf635d5e6f0d2590d9", kill_on_drop: false }`
[INFO] [stdout] 0d58502ce3b9e71b218b2ef2af6232257916c6e239ae1fdf635d5e6f0d2590d9
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d31ffccf7c8055fe1cc91dd97d416928659534c469f18a347179777198a1e08d
[INFO] running `Command { std: "docker" "start" "-a" "d31ffccf7c8055fe1cc91dd97d416928659534c469f18a347179777198a1e08d", kill_on_drop: false }`
[INFO] [stderr]    Compiling tagged-pointer v0.2.7
[INFO] [stderr]    Compiling btree-vec v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `btree_vec_debug`
[INFO] [stdout]   --> src/lib.rs:20:27
[INFO] [stdout]    |
[INFO] [stdout] 20 | #![cfg_attr(not(all(test, btree_vec_debug)), no_std)]
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `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`, `windows`
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(btree_vec_debug)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> 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: `has_allocator_api`
[INFO] [stdout]   --> src/lib.rs:22:36
[INFO] [stdout]    |
[INFO] [stdout] 22 |     any(feature = "allocator_api", has_allocator_api),
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(has_allocator_api)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `any_allocator_api`
[INFO] [stdout]   --> src/lib.rs:95:11
[INFO] [stdout]    |
[INFO] [stdout] 95 | #[cfg(not(any_allocator_api))]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(any_allocator_api)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `btree_vec_debug`
[INFO] [stdout]    --> src/lib.rs:107:7
[INFO] [stdout]     |
[INFO] [stdout] 107 | #[cfg(btree_vec_debug)]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(btree_vec_debug)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/node/parent_ptr.rs:39:23
[INFO] [stdout]    |
[INFO] [stdout] 39 |         struct Align2(u16);
[INFO] [stdout]    |                ------ ^^^
[INFO] [stdout]    |                |
[INFO] [stdout]    |                field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 39 |         struct Align2(());
[INFO] [stdout]    |                       ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "d31ffccf7c8055fe1cc91dd97d416928659534c469f18a347179777198a1e08d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d31ffccf7c8055fe1cc91dd97d416928659534c469f18a347179777198a1e08d", kill_on_drop: false }`
[INFO] [stdout] d31ffccf7c8055fe1cc91dd97d416928659534c469f18a347179777198a1e08d
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9d4c5e8f62eee98614eddaff5fdda1d16700fda47eb947374488b92fed03bdd
[INFO] running `Command { std: "docker" "start" "-a" "a9d4c5e8f62eee98614eddaff5fdda1d16700fda47eb947374488b92fed03bdd", kill_on_drop: false }`
[INFO] [stdout] warning: unexpected `cfg` condition name: `btree_vec_debug`
[INFO] [stdout]   --> src/lib.rs:20:27
[INFO] [stdout]    |
[INFO] [stdout] 20 | #![cfg_attr(not(all(test, btree_vec_debug)), no_std)]
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `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`, `windows`
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(btree_vec_debug)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> 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: `has_allocator_api`
[INFO] [stdout]   --> src/lib.rs:22:36
[INFO] [stdout]    |
[INFO] [stdout] 22 |     any(feature = "allocator_api", has_allocator_api),
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(has_allocator_api)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `any_allocator_api`
[INFO] [stdout]   --> src/lib.rs:95:11
[INFO] [stdout]    |
[INFO] [stdout] 95 | #[cfg(not(any_allocator_api))]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(any_allocator_api)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `btree_vec_debug`
[INFO] [stdout]    --> src/lib.rs:107:7
[INFO] [stdout]     |
[INFO] [stdout] 107 | #[cfg(btree_vec_debug)]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(btree_vec_debug)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/node/parent_ptr.rs:39:23
[INFO] [stdout]    |
[INFO] [stdout] 39 |         struct Align2(u16);
[INFO] [stdout]    |                ------ ^^^
[INFO] [stdout]    |                |
[INFO] [stdout]    |                field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 39 |         struct Align2(());
[INFO] [stdout]    |                       ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling btree-vec v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `btree_vec_debug`
[INFO] [stdout]   --> src/lib.rs:20:27
[INFO] [stdout]    |
[INFO] [stdout] 20 | #![cfg_attr(not(all(test, btree_vec_debug)), no_std)]
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `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`, `windows`
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(btree_vec_debug)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> 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: `has_allocator_api`
[INFO] [stdout]   --> src/lib.rs:22:36
[INFO] [stdout]    |
[INFO] [stdout] 22 |     any(feature = "allocator_api", has_allocator_api),
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(has_allocator_api)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `any_allocator_api`
[INFO] [stdout]   --> src/lib.rs:95:11
[INFO] [stdout]    |
[INFO] [stdout] 95 | #[cfg(not(any_allocator_api))]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(any_allocator_api)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `btree_vec_debug`
[INFO] [stdout]    --> src/lib.rs:107:7
[INFO] [stdout]     |
[INFO] [stdout] 107 | #[cfg(btree_vec_debug)]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(btree_vec_debug)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `btree_vec_debug`
[INFO] [stdout]   --> src/tests/mod.rs:20:7
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[cfg(btree_vec_debug)]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(btree_vec_debug)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `btree_vec_debug`
[INFO] [stdout]    --> src/tests/mod.rs:114:7
[INFO] [stdout]     |
[INFO] [stdout] 114 | #[cfg(btree_vec_debug)]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(btree_vec_debug)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/node/parent_ptr.rs:39:23
[INFO] [stdout]    |
[INFO] [stdout] 39 |         struct Align2(u16);
[INFO] [stdout]    |                ------ ^^^
[INFO] [stdout]    |                |
[INFO] [stdout]    |                field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 39 |         struct Align2(());
[INFO] [stdout]    |                       ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "a9d4c5e8f62eee98614eddaff5fdda1d16700fda47eb947374488b92fed03bdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9d4c5e8f62eee98614eddaff5fdda1d16700fda47eb947374488b92fed03bdd", kill_on_drop: false }`
[INFO] [stdout] a9d4c5e8f62eee98614eddaff5fdda1d16700fda47eb947374488b92fed03bdd
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 97fc342e71dc0d92edf6cbec88fe337c814512c4ba1cfe8ba1b5728ccdde89c1
[INFO] running `Command { std: "docker" "start" "-a" "97fc342e71dc0d92edf6cbec88fe337c814512c4ba1cfe8ba1b5728ccdde89c1", kill_on_drop: false }`
[INFO] [stderr] warning: unexpected `cfg` condition name: `btree_vec_debug`
[INFO] [stderr]   --> src/lib.rs:20:27
[INFO] [stderr]    |
[INFO] [stderr] 20 | #![cfg_attr(not(all(test, btree_vec_debug)), no_std)]
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `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`, `windows`
[INFO] [stderr]    = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(btree_vec_debug)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> 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: `has_allocator_api`
[INFO] [stderr]   --> src/lib.rs:22:36
[INFO] [stderr]    |
[INFO] [stderr] 22 |     any(feature = "allocator_api", has_allocator_api),
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(has_allocator_api)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `any_allocator_api`
[INFO] [stderr]   --> src/lib.rs:95:11
[INFO] [stderr]    |
[INFO] [stderr] 95 | #[cfg(not(any_allocator_api))]
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(any_allocator_api)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `btree_vec_debug`
[INFO] [stderr]    --> src/lib.rs:107:7
[INFO] [stderr]     |
[INFO] [stderr] 107 | #[cfg(btree_vec_debug)]
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(btree_vec_debug)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/node/parent_ptr.rs:39:23
[INFO] [stderr]    |
[INFO] [stderr] 39 |         struct Align2(u16);
[INFO] [stderr]    |                ------ ^^^
[INFO] [stderr]    |                |
[INFO] [stderr]    |                field in this struct
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 39 |         struct Align2(());
[INFO] [stderr]    |                       ~~
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `btree_vec_debug`
[INFO] [stderr]   --> src/tests/mod.rs:20:7
[INFO] [stderr]    |
[INFO] [stderr] 20 | #[cfg(btree_vec_debug)]
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(btree_vec_debug)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `btree_vec_debug`
[INFO] [stderr]    --> src/tests/mod.rs:114:7
[INFO] [stderr]     |
[INFO] [stderr] 114 | #[cfg(btree_vec_debug)]
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(btree_vec_debug)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: `btree-vec` (lib) generated 5 warnings
[INFO] [stderr] warning: `btree-vec` (lib test) generated 7 warnings (5 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/btree_vec-2df5731e03690352)
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test tests::basic_iter ... ok
[INFO] [stdout] test tests::insert::basic_insert_front ... ok
[INFO] [stdout] test tests::insert::basic_push ... ok
[INFO] [stdout] test tests::insert::basic_insert_middle ... ok
[INFO] [stdout] test tests::insert::large_insert_front ... ok
[INFO] [stdout] test tests::insert::medium_insert_front ... ok
[INFO] [stdout] test tests::insert::medium_insert_middle ... ok
[INFO] [stdout] test tests::insert::large_insert_middle ... ok
[INFO] [stdout] test tests::insert::large_push ... ok
[INFO] [stdout] test tests::medium_iter ... ok
[INFO] [stdout] test tests::iter_skip ... ok
[INFO] [stdout] test tests::insert::medium_push ... ok
[INFO] [stdout] test tests::remove::basic_remove ... ok
[INFO] [stdout] test tests::large_iter ... ok
[INFO] [stdout] test tests::remove::large_remove ... ok
[INFO] [stdout] test tests::remove::large_remove_front ... ok
[INFO] [stdout] test tests::smallest_b ... ok
[INFO] [stdout] test tests::small_b ... ok
[INFO] [stdout] test tests::remove::medium_remove ... ok
[INFO] [stdout] test tests::remove::large_pop ... ok
[INFO] [stdout] test tests::too_small_b - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests btree_vec
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 45) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.21s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "97fc342e71dc0d92edf6cbec88fe337c814512c4ba1cfe8ba1b5728ccdde89c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97fc342e71dc0d92edf6cbec88fe337c814512c4ba1cfe8ba1b5728ccdde89c1", kill_on_drop: false }`
[INFO] [stdout] 97fc342e71dc0d92edf6cbec88fe337c814512c4ba1cfe8ba1b5728ccdde89c1
