Oct 26 22:33:50.032 INFO checking racer-rust/racer against try#19f01b935b91481fd445b16b533d2f87661bf12e for pr-55192-2
Oct 26 22:33:50.032 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-7/try#19f01b935b91481fd445b16b533d2f87661bf12e:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-7/pr-55192-2/try#19f01b935b91481fd445b16b533d2f87661bf12e:/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 +19f01b935b91481fd445b16b533d2f87661bf12e-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"`
Oct 26 22:33:50.434 INFO blam! a623354ec97e03b684e86937b5d11f3901f783d596c9030fe49fccdc1d66b774
Oct 26 22:33:50.437 INFO running `"docker" "start" "-a" "a623354ec97e03b684e86937b5d11f3901f783d596c9030fe49fccdc1d66b774"`
Oct 26 22:33:52.119 INFO kablam! usermod: no changes
Oct 26 22:33:52.444 INFO kablam!    Compiling rustc-rayon-core v0.1.1
Oct 26 22:33:52.444 INFO kablam!     Checking scoped-tls v0.1.2
Oct 26 22:33:52.444 INFO kablam!    Compiling rustc-ap-rustc_target v274.0.0
Oct 26 22:33:52.444 INFO kablam!    Compiling rustc-ap-syntax v274.0.0
Oct 26 22:33:52.472 INFO kablam!     Checking rls-span v0.4.0
Oct 26 22:33:52.486 INFO kablam!     Checking rustc-hash v1.0.1
Oct 26 22:33:52.499 INFO kablam!     Checking rustc-ap-rustc_cratesio_shim v274.0.0
Oct 26 22:33:52.499 INFO kablam!     Checking ena v0.9.3
Oct 26 22:33:53.487 INFO kablam!     Checking smallvec v0.6.5
Oct 26 22:33:54.535 INFO kablam!     Checking lock_api v0.1.3
Oct 26 22:33:54.679 INFO kablam!     Checking clap v2.32.0
Oct 26 22:33:55.715 INFO kablam!    Compiling parking_lot_core v0.3.1
Oct 26 22:33:55.895 INFO kablam!     Checking regex v1.0.1
Oct 26 22:33:56.223 INFO kablam!     Checking serde v1.0.70
Oct 26 22:33:58.031 INFO kablam!     Checking parking_lot_core v0.2.14
Oct 26 22:33:58.031 INFO kablam!     Checking rustc-ap-serialize v274.0.0
Oct 26 22:34:01.719 INFO kablam!     Checking rustc-rayon v0.1.1
Oct 26 22:34:02.719 INFO kablam!     Checking parking_lot v0.6.4
Oct 26 22:34:10.111 INFO kablam!     Checking env_logger v0.5.10
Oct 26 22:34:17.221 INFO kablam!     Checking rustc-ap-rustc_data_structures v274.0.0
Oct 26 22:34:24.815 INFO kablam!     Checking rustc-ap-arena v274.0.0
Oct 26 22:34:26.463 INFO kablam!     Checking rustc-ap-syntax_pos v274.0.0
Oct 26 22:34:30.291 INFO kablam!     Checking serde_json v1.0.22
Oct 26 22:34:30.291 INFO kablam!     Checking racer-interner v0.1.0 (/source/interner)
Oct 26 22:34:30.493 INFO kablam!     Checking rustc-ap-rustc_errors v274.0.0
Oct 26 22:34:35.423 INFO kablam!     Checking racer-cargo-metadata v0.1.1 (/source/metadata)
Oct 26 22:34:55.096 INFO kablam!     Checking racer v2.1.9 (/source)
Oct 26 22:34:59.764 INFO kablam!     Checking racer-testutils v0.1.0 (/source/testutils)
Oct 26 22:35:24.151 INFO kablam! warning: variable does not need to be mutable
Oct 26 22:35:24.151 INFO kablam!    --> src/racer/nameres.rs:767:9
Oct 26 22:35:24.151 INFO kablam!     |
Oct 26 22:35:24.151 INFO kablam! 767 |     let mut matches = do_file_search("submodule", &Path::new("fixtures/arst/src"), &session);
Oct 26 22:35:24.151 INFO kablam!     |         ----^^^^^^^
Oct 26 22:35:24.151 INFO kablam!     |         |
Oct 26 22:35:24.151 INFO kablam!     |         help: remove this `mut`
Oct 26 22:35:24.151 INFO kablam!     |
Oct 26 22:35:24.152 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 26 22:35:24.152 INFO kablam! 
Oct 26 22:35:24.850 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1m 32s
Oct 26 22:35:24.883 INFO kablam! su: No module specific data is present
Oct 26 22:35:26.394 INFO running `"docker" "rm" "-f" "a623354ec97e03b684e86937b5d11f3901f783d596c9030fe49fccdc1d66b774"`
Oct 26 22:35:26.783 INFO blam! a623354ec97e03b684e86937b5d11f3901f783d596c9030fe49fccdc1d66b774