Dec 12 03:02:03.520 INFO checking Embisto/default-backend against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 03:02:03.520 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa9aa79c3c583aab59ac9134542d60a780c35e2e-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 12 03:02:03.748 INFO [stdout] d5376a40f8786eb913daa35e508143ad140af113b6142f4b74494347ece423a4
Dec 12 03:02:03.750 INFO running `"docker" "start" "-a" "d5376a40f8786eb913daa35e508143ad140af113b6142f4b74494347ece423a4"`
Dec 12 03:02:04.514 INFO [stderr] usermod: no changes
Dec 12 03:02:05.034 INFO [stderr]    Compiling cc v1.0.12
Dec 12 03:02:05.035 INFO [stderr]    Compiling serde v1.0.43
Dec 12 03:02:05.051 INFO [stderr]     Checking protobuf v1.5.1
Dec 12 03:02:05.056 INFO [stderr]    Compiling actix-web v0.5.6
Dec 12 03:02:05.056 INFO [stderr]     Checking serde_json v1.0.16
Dec 12 03:02:05.056 INFO [stderr]     Checking parking_lot_core v0.2.13
Dec 12 03:02:05.056 INFO [stderr]    Compiling tempdir v0.3.7
Dec 12 03:02:05.060 INFO [stderr]     Checking http v0.1.5
Dec 12 03:02:09.081 INFO [stderr]    Compiling rayon-core v1.4.0
Dec 12 03:02:09.876 INFO [stderr]     Checking serde_urlencoded v0.5.1
Dec 12 03:02:10.049 INFO [stderr]     Checking env_logger v0.5.9
Dec 12 03:02:17.524 INFO [stderr]     Checking parking_lot v0.4.8
Dec 12 03:02:24.303 INFO [stderr]    Compiling rayon v0.8.2
Dec 12 03:02:24.346 INFO [stderr]     Checking tokio-signal v0.1.5
Dec 12 03:02:24.517 INFO [stderr]     Checking crossbeam-channel v0.1.2
Dec 12 03:02:25.233 INFO [stderr]    Compiling backtrace-sys v0.1.16
Dec 12 03:02:25.236 INFO [stderr]    Compiling brotli-sys v0.3.2
Dec 12 03:02:29.899 INFO [stderr]    Compiling miniz-sys v0.1.10
Dec 12 03:02:30.065 INFO [stderr]     Checking h2 v0.1.6
Dec 12 03:02:35.441 INFO [stderr]     Checking prometheus v0.4.0
Dec 12 03:02:37.264 INFO [stderr]     Checking flate2 v1.0.1
Dec 12 03:02:37.400 INFO [stderr]    Compiling ring v0.12.1
Dec 12 03:02:53.349 INFO [stderr]     Checking brotli2 v0.3.2
Dec 12 03:02:57.597 INFO [stderr]    Compiling semver v0.8.0
Dec 12 03:02:59.604 INFO [stderr]     Checking cookie v0.10.1
Dec 12 03:03:02.233 INFO [stderr]    Compiling backtrace v0.3.6
Dec 12 03:03:02.392 INFO [stderr]     Checking backtrace v0.2.3
Dec 12 03:03:04.252 INFO [stderr]     Checking error-chain v0.1.12
Dec 12 03:03:05.072 INFO [stderr]     Checking failure v0.1.1
Dec 12 03:03:06.133 INFO [stderr]    Compiling error-chain v0.11.0
Dec 12 03:03:07.626 INFO [stderr]     Checking trust-dns-proto v0.3.3
Dec 12 03:03:08.766 INFO [stderr]    Compiling cargo_metadata v0.3.3
Dec 12 03:03:12.469 INFO [stderr]    Compiling skeptic v0.13.2
Dec 12 03:03:14.566 INFO [stderr]     Checking trust-dns-resolver v0.8.2
Dec 12 03:03:19.007 INFO [stderr]    Compiling actix v0.5.6
Dec 12 03:03:40.340 INFO [stderr]     Checking default-backend v0.1.0 (/source)
Dec 12 03:03:51.807 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 47s
Dec 12 03:03:51.845 INFO [stderr] su: No module specific data is present
Dec 12 03:03:53.037 INFO running `"docker" "inspect" "d5376a40f8786eb913daa35e508143ad140af113b6142f4b74494347ece423a4"`
Dec 12 03:03:53.416 INFO running `"docker" "rm" "-f" "d5376a40f8786eb913daa35e508143ad140af113b6142f4b74494347ece423a4"`
Dec 12 03:03:53.751 INFO [stdout] d5376a40f8786eb913daa35e508143ad140af113b6142f4b74494347ece423a4