Dec 04 12:00:25.398 INFO checking racer-rust/racer against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 12:00:25.398 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 04 12:00:25.719 INFO [stdout] 674f0ee8588c28dbccd6742d7b8cb0b6af4e0315c565599c50ba97d3f38d5ddc
Dec 04 12:00:25.721 INFO running `"docker" "start" "-a" "674f0ee8588c28dbccd6742d7b8cb0b6af4e0315c565599c50ba97d3f38d5ddc"`
Dec 04 12:00:26.271 INFO [stderr] usermod: no changes
Dec 04 12:00:26.561 INFO [stderr]    Compiling rustc-rayon-core v0.1.1
Dec 04 12:00:26.565 INFO [stderr]     Checking rustc-ap-graphviz v297.0.0
Dec 04 12:00:26.566 INFO [stderr]    Compiling rustc-ap-rustc_target v297.0.0
Dec 04 12:00:26.567 INFO [stderr]     Checking scoped-tls v0.1.2
Dec 04 12:00:26.568 INFO [stderr]    Compiling rustc-ap-syntax v297.0.0
Dec 04 12:00:26.574 INFO [stderr]     Checking rls-span v0.4.0
Dec 04 12:00:26.574 INFO [stderr]     Checking rustc-ap-rustc_cratesio_shim v297.0.0
Dec 04 12:00:26.574 INFO [stderr]     Checking ena v0.9.3
Dec 04 12:00:27.315 INFO [stderr]     Checking crossbeam-epoch v0.3.1
Dec 04 12:00:27.501 INFO [stderr]     Checking smallvec v0.6.6
Dec 04 12:00:27.593 INFO [stderr]     Checking lock_api v0.1.5
Dec 04 12:00:27.755 INFO [stderr]    Compiling parking_lot_core v0.3.1
Dec 04 12:00:27.788 INFO [stderr]     Checking rand v0.4.3
Dec 04 12:00:28.099 INFO [stderr]    Compiling syn v0.15.22
Dec 04 12:00:28.127 INFO [stderr]     Checking env_logger v0.6.0
Dec 04 12:00:28.301 INFO [stderr]     Checking tempfile v3.0.5
Dec 04 12:00:29.961 INFO [stderr]     Checking crossbeam-deque v0.2.0
Dec 04 12:00:30.777 INFO [stderr]     Checking rustc-ap-serialize v297.0.0
Dec 04 12:00:33.661 INFO [stderr]     Checking parking_lot v0.6.4
Dec 04 12:00:34.565 INFO [stderr]     Checking parking_lot_core v0.2.14
Dec 04 12:00:38.015 INFO [stderr]     Checking rustc-rayon v0.1.1
Dec 04 12:00:43.590 INFO [stderr]     Checking rustc-ap-rustc_data_structures v297.0.0
Dec 04 12:00:52.225 INFO [stderr]    Compiling serde_derive v1.0.80
Dec 04 12:00:52.232 INFO [stderr]    Compiling derive_more v0.13.0
Dec 04 12:00:55.640 INFO [stderr]     Checking rustc-ap-arena v297.0.0
Dec 04 12:00:59.653 INFO [stderr]     Checking rustc-ap-syntax_pos v297.0.0
Dec 04 12:01:08.029 INFO [stderr]     Checking rustc-ap-rustc_errors v297.0.0
Dec 04 12:01:19.558 INFO [stderr]     Checking serde v1.0.80
Dec 04 12:01:35.995 INFO [stderr]     Checking serde_json v1.0.33
Dec 04 12:01:35.995 INFO [stderr]     Checking racer-interner v0.1.0 (/source/interner)
Dec 04 12:01:41.049 INFO [stderr]     Checking racer-cargo-metadata v0.1.1 (/source/metadata)
Dec 04 12:01:43.410 INFO [stderr]     Checking racer v2.1.14 (/source)
Dec 04 12:01:49.603 INFO [stderr]     Checking racer-testutils v0.1.0 (/source/testutils)
Dec 04 12:02:17.557 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 51s
Dec 04 12:02:17.579 INFO [stderr] su: No module specific data is present
Dec 04 12:02:18.623 INFO running `"docker" "inspect" "674f0ee8588c28dbccd6742d7b8cb0b6af4e0315c565599c50ba97d3f38d5ddc"`
Dec 04 12:02:18.947 INFO running `"docker" "rm" "-f" "674f0ee8588c28dbccd6742d7b8cb0b6af4e0315c565599c50ba97d3f38d5ddc"`
Dec 04 12:02:19.127 INFO [stdout] 674f0ee8588c28dbccd6742d7b8cb0b6af4e0315c565599c50ba97d3f38d5ddc