[INFO] fetching crate sauron 0.22.1...
[INFO] checking sauron-0.22.1 against try#98d5ea1855f1028095b37c493ba31093c8519d68 for pr-69548
[INFO] extracting crate sauron 0.22.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate sauron 0.22.1 on toolchain 98d5ea1855f1028095b37c493ba31093c8519d68
[INFO] running `"/workspace/cargo-home/bin/cargo" "+98d5ea1855f1028095b37c493ba31093c8519d68" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate sauron 0.22.1
[INFO] finished tweaking crates.io crate sauron 0.22.1
[INFO] tweaked toml for crates.io crate sauron 0.22.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate sauron 0.22.1 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+98d5ea1855f1028095b37c493ba31093c8519d68" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sauron_vdom v0.22.0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+98d5ea1855f1028095b37c493ba31093c8519d68" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 64914f0ebdfbe3480f43cb49ae325e19224b51334da49bd40ee105b84f47ba3f
[INFO] running `"docker" "start" "-a" "64914f0ebdfbe3480f43cb49ae325e19224b51334da49bd40ee105b84f47ba3f"`
[INFO] [stderr]    Compiling pulldown-cmark v0.5.3
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking sauron_vdom v0.22.0
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.8
[INFO] [stderr]     Checking bstr v0.2.11
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.58
[INFO] [stderr]    Compiling thiserror-impl v1.0.11
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]    Compiling weedle v0.10.0
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr]     Checking thiserror v1.0.11
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.58
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.58
[INFO] [stderr]     Checking wasm-bindgen v0.2.58
[INFO] [stderr]     Checking js-sys v0.3.35
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]    Compiling wasm-bindgen-webidl v0.2.58
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.8
[INFO] [stderr]     Checking wasm-bindgen-test v0.3.8
[INFO] [stderr]    Compiling web-sys v0.3.35
[INFO] [stderr]     Checking sauron v0.22.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `js_sys::Promise` that must be used
[INFO] [stderr]   --> src/dom/http.rs:88:29
[INFO] [stderr]    |
[INFO] [stderr] 88 | ...                   response_promise.then(&decoder_and_dispatcher_cb);
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `js_sys::Promise` that must be used
[INFO] [stderr]    --> src/dom/http.rs:108:13
[INFO] [stderr]     |
[INFO] [stderr] 108 |             promise.then(&cb).catch(&fail_closure);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `js_sys::Promise` that must be used
[INFO] [stderr]   --> src/dom/http.rs:88:29
[INFO] [stderr]    |
[INFO] [stderr] 88 | ...                   response_promise.then(&decoder_and_dispatcher_cb);
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `js_sys::Promise` that must be used
[INFO] [stderr]    --> src/dom/http.rs:108:13
[INFO] [stderr]     |
[INFO] [stderr] 108 |             promise.then(&cb).catch(&fail_closure);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 22s
[INFO] running `"docker" "inspect" "64914f0ebdfbe3480f43cb49ae325e19224b51334da49bd40ee105b84f47ba3f"`
[INFO] running `"docker" "rm" "-f" "64914f0ebdfbe3480f43cb49ae325e19224b51334da49bd40ee105b84f47ba3f"`
[INFO] [stdout] 64914f0ebdfbe3480f43cb49ae325e19224b51334da49bd40ee105b84f47ba3f