Dec 01 09:03:19.586 INFO documenting racer-rust/racer against try#f86f76f89ea2b1ccbfb3741962ec2029d878a389 for pr-55318-1
Dec 01 09:03:19.586 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318-1/worker-3/try#f86f76f89ea2b1ccbfb3741962ec2029d878a389:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55318-1/try#f86f76f89ea2b1ccbfb3741962ec2029d878a389:/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 +f86f76f89ea2b1ccbfb3741962ec2029d878a389-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"`
Dec 01 09:03:20.094 INFO [stdout] a8ad4397eda6e9bff18a3a13daddd8da2c5f34018d2ee4fe054b4bbd6ddd4b0b
Dec 01 09:03:20.096 INFO running `"docker" "start" "-a" "a8ad4397eda6e9bff18a3a13daddd8da2c5f34018d2ee4fe054b4bbd6ddd4b0b"`
Dec 01 09:03:21.912 INFO [stderr] usermod: no changes
Dec 01 09:03:22.400 INFO [stderr]    Compiling rustc-rayon-core v0.1.1
Dec 01 09:03:22.400 INFO [stderr]     Checking rustc-ap-graphviz v297.0.0
Dec 01 09:03:22.400 INFO [stderr]     Checking scoped-tls v0.1.2
Dec 01 09:03:22.400 INFO [stderr]    Compiling rustc-ap-rustc_target v297.0.0
Dec 01 09:03:22.400 INFO [stderr]    Compiling rustc-ap-syntax v297.0.0
Dec 01 09:03:22.402 INFO [stderr]     Checking rls-span v0.4.0
Dec 01 09:03:22.408 INFO [stderr]     Checking crossbeam-epoch v0.3.1
Dec 01 09:03:22.408 INFO [stderr]     Checking ena v0.9.3
Dec 01 09:03:23.996 INFO [stderr]     Checking rustc-ap-rustc_cratesio_shim v297.0.0
Dec 01 09:03:24.236 INFO [stderr]     Checking smallvec v0.6.6
Dec 01 09:03:24.353 INFO [stderr]     Checking lock_api v0.1.5
Dec 01 09:03:24.640 INFO [stderr]    Compiling parking_lot_core v0.3.1
Dec 01 09:03:25.137 INFO [stderr]    Compiling syn v0.15.22
Dec 01 09:03:25.380 INFO [stderr]     Checking env_logger v0.6.0
Dec 01 09:03:26.500 INFO [stderr]     Checking crossbeam-deque v0.2.0
Dec 01 09:03:27.716 INFO [stderr]     Checking rustc-ap-serialize v297.0.0
Dec 01 09:03:27.716 INFO [stderr]     Checking parking_lot_core v0.2.14
Dec 01 09:03:29.789 INFO [stderr]     Checking parking_lot v0.6.4
Dec 01 09:03:31.333 INFO [stderr]     Checking rustc-rayon v0.1.1
Dec 01 09:03:39.223 INFO [stderr]     Checking rustc-ap-rustc_data_structures v297.0.0
Dec 01 09:03:49.631 INFO [stderr]    Compiling serde_derive v1.0.80
Dec 01 09:03:49.634 INFO [stderr]    Compiling derive_more v0.13.0
Dec 01 09:03:49.818 INFO [stderr]     Checking rustc-ap-arena v297.0.0
Dec 01 09:03:52.330 INFO [stderr]     Checking rustc-ap-syntax_pos v297.0.0
Dec 01 09:04:01.360 INFO [stderr]     Checking rustc-ap-rustc_errors v297.0.0
Dec 01 09:04:25.444 INFO [stderr]     Checking serde v1.0.80
Dec 01 09:04:40.743 INFO [stderr]     Checking serde_json v1.0.33
Dec 01 09:04:40.744 INFO [stderr]     Checking racer-interner v0.1.0 (/source/interner)
Dec 01 09:04:44.310 INFO [stderr]     Checking racer-cargo-metadata v0.1.1 (/source/metadata)
Dec 01 09:04:45.332 INFO [stderr]  Documenting racer v2.1.14 (/source)
Dec 01 09:04:50.708 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 28s
Dec 01 09:04:50.772 INFO [stderr] su: No module specific data is present
Dec 01 09:04:51.350 INFO running `"docker" "inspect" "a8ad4397eda6e9bff18a3a13daddd8da2c5f34018d2ee4fe054b4bbd6ddd4b0b"`
Dec 01 09:04:51.748 INFO running `"docker" "rm" "-f" "a8ad4397eda6e9bff18a3a13daddd8da2c5f34018d2ee4fe054b4bbd6ddd4b0b"`
Dec 01 09:04:52.008 INFO [stdout] a8ad4397eda6e9bff18a3a13daddd8da2c5f34018d2ee4fe054b4bbd6ddd4b0b