[INFO] fetching crate sauron-core 0.60.7...
[INFO] checking sauron-core-0.60.7 against nightly-2024-02-05 for check-cfg-2
[INFO] extracting crate sauron-core 0.60.7 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate sauron-core 0.60.7 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sauron-core 0.60.7
[INFO] finished tweaking crates.io crate sauron-core 0.60.7
[INFO] tweaked toml for crates.io crate sauron-core 0.60.7 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded phf_macros v0.11.2
[INFO] [stderr]   Downloaded console_log v1.0.0
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[INFO] [stderr]   Downloaded mt-dom v0.59.1
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9fe661b48e9d70987f5625f8aa6a000de594c86b29d0850bd7dc3a5ed7f33a1f
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[INFO] running `Command { std: "docker" "inspect" "9fe661b48e9d70987f5625f8aa6a000de594c86b29d0850bd7dc3a5ed7f33a1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fe661b48e9d70987f5625f8aa6a000de594c86b29d0850bd7dc3a5ed7f33a1f", kill_on_drop: false }`
[INFO] [stdout] 9fe661b48e9d70987f5625f8aa6a000de594c86b29d0850bd7dc3a5ed7f33a1f
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43d9064f068d5d003914bcc30f2e88470d619df8238503b4402215c67eac2b5f
[INFO] running `Command { std: "docker" "start" "-a" "43d9064f068d5d003914bcc30f2e88470d619df8238503b4402215c67eac2b5f", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.91
[INFO] [stderr]    Compiling bumpalo v3.14.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.91
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling phf_shared v0.11.2
[INFO] [stderr]     Checking half v2.3.1
[INFO] [stderr]     Checking siphasher v0.3.11
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking clap_lex v0.6.0
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]     Checking longest-increasing-subsequence v0.1.0
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.41
[INFO] [stderr]     Checking scoped-tls v1.0.1
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[INFO] [stderr]    Compiling phf_macros v0.11.2
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[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.91
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[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.41
[INFO] [stderr]     Checking serde-wasm-bindgen v0.5.0
[INFO] [stderr]     Checking wasm-bindgen-test v0.3.41
[INFO] [stderr]     Checking console_log v1.0.0
[INFO] [stderr]     Checking sauron-core v0.60.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `bench_view_builing_100_child_nodes` is never used
[INFO] [stdout]  --> benches/bench_view_performance.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn bench_view_builing_100_child_nodes(c: &mut Criterion) {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.85s
[INFO] running `Command { std: "docker" "inspect" "43d9064f068d5d003914bcc30f2e88470d619df8238503b4402215c67eac2b5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43d9064f068d5d003914bcc30f2e88470d619df8238503b4402215c67eac2b5f", kill_on_drop: false }`
[INFO] [stdout] 43d9064f068d5d003914bcc30f2e88470d619df8238503b4402215c67eac2b5f
[INFO] checking sauron-core-0.60.7 against nightly-2024-02-05+rustflags=-Dunexpected_cfgs+cargoflags=-Zcheck-cfg for check-cfg-2
[INFO] extracting crate sauron-core 0.60.7 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate sauron-core 0.60.7 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sauron-core 0.60.7
[INFO] finished tweaking crates.io crate sauron-core 0.60.7
[INFO] tweaked toml for crates.io crate sauron-core 0.60.7 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22fa900633742e4d9d95c66fd2ba7d4210ea4b7ea0dec1dc53c8ef8f2e51cc19
[INFO] running `Command { std: "docker" "start" "-a" "22fa900633742e4d9d95c66fd2ba7d4210ea4b7ea0dec1dc53c8ef8f2e51cc19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22fa900633742e4d9d95c66fd2ba7d4210ea4b7ea0dec1dc53c8ef8f2e51cc19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22fa900633742e4d9d95c66fd2ba7d4210ea4b7ea0dec1dc53c8ef8f2e51cc19", kill_on_drop: false }`
[INFO] [stdout] 22fa900633742e4d9d95c66fd2ba7d4210ea4b7ea0dec1dc53c8ef8f2e51cc19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Dunexpected_cfgs" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zcheck-cfg", kill_on_drop: false }`
[INFO] [stdout] 78211943918db5f53b6b06c592c4f44f42107ace46191bc752cbf68b63d1c793
[INFO] running `Command { std: "docker" "start" "-a" "78211943918db5f53b6b06c592c4f44f42107ace46191bc752cbf68b63d1c793", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.91
[INFO] [stderr]    Compiling bumpalo v3.14.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.91
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling phf_shared v0.11.2
[INFO] [stderr]     Checking half v2.3.1
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking siphasher v0.3.11
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]     Checking clap_lex v0.6.0
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]     Checking longest-increasing-subsequence v0.1.0
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]     Checking mt-dom v0.59.1
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.41
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking clap_builder v4.4.18
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.91
[INFO] [stderr]    Compiling phf_generator v0.11.2
[INFO] [stderr]    Compiling phf_macros v0.11.2
[INFO] [stderr]     Checking is-terminal v0.4.10
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.91
[INFO] [stderr]     Checking phf v0.11.2
[INFO] [stderr]     Checking clap v4.4.18
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.91
[INFO] [stderr]     Checking serde_json v1.0.113
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]     Checking js-sys v0.3.68
[INFO] [stderr]     Checking console_error_panic_hook v0.1.7
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.41
[INFO] [stderr]     Checking web-sys v0.3.68
[INFO] [stderr]     Checking serde-wasm-bindgen v0.5.0
[INFO] [stderr]     Checking wasm-bindgen-test v0.3.41
[INFO] [stderr]     Checking console_log v1.0.0
[INFO] [stderr]     Checking sauron-core v0.60.7 (/opt/rustwide/workdir)
[INFO] [stdout] error: unexpected `cfg` condition name: `web_sys_unstable_apis`
[INFO] [stdout]   --> src/dom/events.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[cfg(web_sys_unstable_apis)]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `debug_assertions`, `doc`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `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`, `unix`, `windows`
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(web_sys_unstable_apis)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]    = note: requested on the command line with `-D unexpected-cfgs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `web_sys_unstable_apis`
[INFO] [stdout]    --> src/dom/events.rs:323:7
[INFO] [stdout]     |
[INFO] [stdout] 323 | #[cfg(web_sys_unstable_apis)]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(web_sys_unstable_apis)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `web_sys_unstable_apis`
[INFO] [stdout]    --> src/dom/events.rs:373:11
[INFO] [stdout]     |
[INFO] [stdout] 373 |     #[cfg(web_sys_unstable_apis)]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(web_sys_unstable_apis)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `web_sys_unstable_apis`
[INFO] [stdout]    --> src/dom/events.rs:375:11
[INFO] [stdout]     |
[INFO] [stdout] 375 |     #[cfg(web_sys_unstable_apis)]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(web_sys_unstable_apis)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `web_sys_unstable_apis`
[INFO] [stdout]   --> src/dom/events.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[cfg(web_sys_unstable_apis)]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `debug_assertions`, `doc`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `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`, `unix`, `windows`
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(web_sys_unstable_apis)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]    = note: requested on the command line with `-D unexpected-cfgs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `web_sys_unstable_apis`
[INFO] [stdout]    --> src/dom/events.rs:323:7
[INFO] [stdout]     |
[INFO] [stdout] 323 | #[cfg(web_sys_unstable_apis)]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(web_sys_unstable_apis)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `web_sys_unstable_apis`
[INFO] [stdout]    --> src/dom/events.rs:373:11
[INFO] [stdout]     |
[INFO] [stdout] 373 |     #[cfg(web_sys_unstable_apis)]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(web_sys_unstable_apis)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `web_sys_unstable_apis`
[INFO] [stdout]    --> src/dom/events.rs:375:11
[INFO] [stdout]     |
[INFO] [stdout] 375 |     #[cfg(web_sys_unstable_apis)]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(web_sys_unstable_apis)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sauron-core` (lib) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sauron-core` (lib test) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "78211943918db5f53b6b06c592c4f44f42107ace46191bc752cbf68b63d1c793", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78211943918db5f53b6b06c592c4f44f42107ace46191bc752cbf68b63d1c793", kill_on_drop: false }`
[INFO] [stdout] 78211943918db5f53b6b06c592c4f44f42107ace46191bc752cbf68b63d1c793
