Nov 27 15:09:25.868 INFO documenting racer-rust/racer against try#f5a0bd723553ea4b7556bd7087b9f0919cafb483 for pr-55318
Nov 27 15:09:25.869 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318/worker-0/try#f5a0bd723553ea4b7556bd7087b9f0919cafb483:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55318/try#f5a0bd723553ea4b7556bd7087b9f0919cafb483:/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 +f5a0bd723553ea4b7556bd7087b9f0919cafb483-alt doc --frozen --no-deps --document-private-items" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 27 15:09:26.247 INFO [stdout] c5105a0bc2eb6ce08924f52818cb2fa1e329503834588a488f4e9dd1fafb2816
Nov 27 15:09:26.251 INFO running `"docker" "start" "-a" "c5105a0bc2eb6ce08924f52818cb2fa1e329503834588a488f4e9dd1fafb2816"`
Nov 27 15:09:27.567 INFO [stderr] usermod: no changes
Nov 27 15:09:27.935 INFO [stderr]    Compiling rustc-rayon-core v0.1.1
Nov 27 15:09:27.935 INFO [stderr]     Checking rustc-ap-graphviz v297.0.0
Nov 27 15:09:27.943 INFO [stderr]    Compiling rustc-ap-rustc_target v297.0.0
Nov 27 15:09:27.943 INFO [stderr]     Checking scoped-tls v0.1.2
Nov 27 15:09:27.951 INFO [stderr]    Compiling rustc-ap-syntax v297.0.0
Nov 27 15:09:27.961 INFO [stderr]     Checking rls-span v0.4.0
Nov 27 15:09:27.961 INFO [stderr]     Checking crossbeam-epoch v0.3.1
Nov 27 15:09:27.961 INFO [stderr]     Checking ena v0.9.3
Nov 27 15:09:29.236 INFO [stderr]     Checking rustc-ap-rustc_cratesio_shim v297.0.0
Nov 27 15:09:29.756 INFO [stderr]     Checking smallvec v0.6.6
Nov 27 15:09:29.765 INFO [stderr]     Checking lock_api v0.1.5
Nov 27 15:09:29.943 INFO [stderr]    Compiling parking_lot_core v0.3.1
Nov 27 15:09:30.099 INFO [stderr]     Checking rand v0.4.3
Nov 27 15:09:30.435 INFO [stderr]     Checking clap v2.32.0
Nov 27 15:09:30.967 INFO [stderr]    Compiling syn v0.15.22
Nov 27 15:09:31.443 INFO [stderr]     Checking env_logger v0.6.0
Nov 27 15:09:32.643 INFO [stderr]     Checking crossbeam-deque v0.2.0
Nov 27 15:09:33.193 INFO [stderr]     Checking rustc-ap-serialize v297.0.0
Nov 27 15:09:35.418 INFO [stderr]     Checking parking_lot v0.6.4
Nov 27 15:09:37.527 INFO [stderr]     Checking parking_lot_core v0.2.14
Nov 27 15:09:41.499 INFO [stderr]     Checking rustc-rayon v0.1.1
Nov 27 15:09:49.079 INFO [stderr]     Checking rustc-ap-rustc_data_structures v297.0.0
Nov 27 15:09:56.616 INFO [stderr]    Compiling serde_derive v1.0.80
Nov 27 15:09:56.623 INFO [stderr]    Compiling derive_more v0.13.0
Nov 27 15:09:59.311 INFO [stderr]     Checking rustc-ap-arena v297.0.0
Nov 27 15:10:01.559 INFO [stderr]     Checking rustc-ap-syntax_pos v297.0.0
Nov 27 15:10:09.131 INFO [stderr]     Checking rustc-ap-rustc_errors v297.0.0
Nov 27 15:10:30.349 INFO [stderr]     Checking serde v1.0.80
Nov 27 15:10:48.851 INFO [stderr]     Checking serde_json v1.0.33
Nov 27 15:10:48.852 INFO [stderr]     Checking racer-interner v0.1.0 (/source/interner)
Nov 27 15:10:52.596 INFO [stderr]     Checking racer-cargo-metadata v0.1.1 (/source/metadata)
Nov 27 15:10:53.921 INFO [stderr]  Documenting racer v2.1.14 (/source)
Nov 27 15:10:58.717 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 31s
Nov 27 15:10:58.747 INFO [stderr] su: No module specific data is present
Nov 27 15:11:00.516 INFO running `"docker" "inspect" "c5105a0bc2eb6ce08924f52818cb2fa1e329503834588a488f4e9dd1fafb2816"`
Nov 27 15:11:00.811 INFO running `"docker" "rm" "-f" "c5105a0bc2eb6ce08924f52818cb2fa1e329503834588a488f4e9dd1fafb2816"`
Nov 27 15:11:01.171 INFO [stdout] c5105a0bc2eb6ce08924f52818cb2fa1e329503834588a488f4e9dd1fafb2816