Oct 12 15:21:57.033 INFO checking racer-rust/racer against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 12 15:21:57.033 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-0/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/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 +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-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 12 15:21:57.430 INFO blam! 70fb09cb8bb1cdd9253d0862cea0166b2783abf7f8d1d5583cec8d80bfe868bb
Oct 12 15:21:57.440 INFO running `"docker" "start" "-a" "70fb09cb8bb1cdd9253d0862cea0166b2783abf7f8d1d5583cec8d80bfe868bb"`
Oct 12 15:21:58.733 INFO kablam! usermod: no changes
Oct 12 15:21:59.016 INFO kablam!    Compiling rustc-rayon-core v0.1.1
Oct 12 15:21:59.016 INFO kablam!    Compiling serde v1.0.70
Oct 12 15:21:59.016 INFO kablam!    Compiling rustc-ap-rustc_target v272.0.0
Oct 12 15:21:59.016 INFO kablam!     Checking scoped-tls v0.1.2
Oct 12 15:21:59.053 INFO kablam!     Checking termcolor v1.0.4
Oct 12 15:21:59.053 INFO kablam!    Compiling rustc-ap-syntax v272.0.0
Oct 12 15:21:59.061 INFO kablam!     Checking rls-span v0.4.0
Oct 12 15:21:59.068 INFO kablam!     Checking rand v0.5.5
Oct 12 15:22:00.128 INFO kablam!    Compiling proc-macro2 v0.3.8
Oct 12 15:22:01.288 INFO kablam!     Checking rustc-hash v1.0.1
Oct 12 15:22:01.715 INFO kablam!    Compiling rustc_version v0.2.2
Oct 12 15:22:01.734 INFO kablam!     Checking ena v0.9.3
Oct 12 15:22:01.918 INFO kablam!     Checking rustc-ap-rustc_cratesio_shim v272.0.0
Oct 12 15:22:02.356 INFO kablam!     Checking crossbeam-epoch v0.3.1
Oct 12 15:22:02.421 INFO kablam!     Checking smallvec v0.6.5
Oct 12 15:22:03.381 INFO kablam!     Checking lock_api v0.1.3
Oct 12 15:22:03.934 INFO kablam!     Checking regex v1.0.1
Oct 12 15:22:07.034 INFO kablam!     Checking parking_lot_core v0.2.14
Oct 12 15:22:07.053 INFO kablam!     Checking rustc-ap-serialize v272.0.0
Oct 12 15:22:07.157 INFO kablam!    Compiling parking_lot_core v0.3.1
Oct 12 15:22:07.209 INFO kablam!     Checking crossbeam-deque v0.2.0
Oct 12 15:22:14.878 INFO kablam!     Checking rustc-rayon v0.1.1
Oct 12 15:22:15.869 INFO kablam!    Compiling quote v0.5.2
Oct 12 15:22:16.668 INFO kablam!     Checking parking_lot v0.6.4
Oct 12 15:22:19.040 INFO kablam!     Checking env_logger v0.5.10
Oct 12 15:22:20.401 INFO kablam!    Compiling syn v0.13.11
Oct 12 15:22:25.712 INFO kablam!     Checking rustc-ap-rustc_data_structures v272.0.0
Oct 12 15:22:36.246 INFO kablam!     Checking rustc-ap-arena v272.0.0
Oct 12 15:22:38.567 INFO kablam!     Checking rustc-ap-syntax_pos v272.0.0
Oct 12 15:22:44.573 INFO kablam!     Checking racer-interner v0.1.0 (/source/interner)
Oct 12 15:22:44.573 INFO kablam!     Checking serde_json v1.0.22
Oct 12 15:22:45.292 INFO kablam!     Checking rustc-ap-rustc_errors v272.0.0
Oct 12 15:22:49.684 INFO kablam!    Compiling derive_more v0.11.0
Oct 12 15:22:53.585 INFO kablam!     Checking racer-cargo-metadata v0.1.0 (/source/metadata)
Oct 12 15:23:21.021 INFO kablam!     Checking racer v2.1.7 (/source)
Oct 12 15:23:25.316 INFO kablam! warning: method is never used: `is_int`
Oct 12 15:23:25.316 INFO kablam!   --> src/racer/primitive.rs:83:5
Oct 12 15:23:25.316 INFO kablam!    |
Oct 12 15:23:25.316 INFO kablam! 83 |     fn is_int(self) -> bool {
Oct 12 15:23:25.316 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:23:25.316 INFO kablam!    |
Oct 12 15:23:25.317 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 15:23:25.317 INFO kablam! 
Oct 12 15:23:25.317 INFO kablam! warning: method is never used: `is_uint`
Oct 12 15:23:25.317 INFO kablam!   --> src/racer/primitive.rs:96:5
Oct 12 15:23:25.317 INFO kablam!    |
Oct 12 15:23:25.317 INFO kablam! 96 |     fn is_uint(self) -> bool {
Oct 12 15:23:25.317 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:23:25.317 INFO kablam! 
Oct 12 15:23:25.588 INFO kablam!     Checking racer-testutils v0.1.0 (/source/testutils)
Oct 12 15:23:46.941 INFO kablam! warning: variable does not need to be mutable
Oct 12 15:23:46.941 INFO kablam!    --> src/racer/nameres.rs:748:9
Oct 12 15:23:46.941 INFO kablam!     |
Oct 12 15:23:46.942 INFO kablam! 748 |     let mut matches = do_file_search("std", &Path::new("."), &session);
Oct 12 15:23:46.942 INFO kablam!     |         ----^^^^^^^
Oct 12 15:23:46.942 INFO kablam!     |         |
Oct 12 15:23:46.942 INFO kablam!     |         help: remove this `mut`
Oct 12 15:23:46.943 INFO kablam!     |
Oct 12 15:23:46.943 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 12 15:23:46.943 INFO kablam! 
Oct 12 15:23:46.944 INFO kablam! warning: variable does not need to be mutable
Oct 12 15:23:46.944 INFO kablam!    --> src/racer/nameres.rs:760:9
Oct 12 15:23:46.944 INFO kablam!     |
Oct 12 15:23:46.944 INFO kablam! 760 |     let mut matches = do_file_search("submodule", &Path::new("fixtures/arst/src"), &session);
Oct 12 15:23:46.945 INFO kablam!     |         ----^^^^^^^
Oct 12 15:23:46.945 INFO kablam!     |         |
Oct 12 15:23:46.945 INFO kablam!     |         help: remove this `mut`
Oct 12 15:23:46.946 INFO kablam! 
Oct 12 15:23:47.425 INFO kablam! warning: method is never used: `is_int`
Oct 12 15:23:47.429 INFO kablam!   --> src/racer/primitive.rs:83:5
Oct 12 15:23:47.429 INFO kablam!    |
Oct 12 15:23:47.429 INFO kablam! 83 |     fn is_int(self) -> bool {
Oct 12 15:23:47.429 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:23:47.430 INFO kablam!    |
Oct 12 15:23:47.430 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 15:23:47.430 INFO kablam! 
Oct 12 15:23:47.430 INFO kablam! warning: method is never used: `is_uint`
Oct 12 15:23:47.431 INFO kablam!   --> src/racer/primitive.rs:96:5
Oct 12 15:23:47.431 INFO kablam!    |
Oct 12 15:23:47.431 INFO kablam! 96 |     fn is_uint(self) -> bool {
Oct 12 15:23:47.431 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:23:47.432 INFO kablam! 
Oct 12 15:23:47.621 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1m 48s
Oct 12 15:23:47.637 INFO kablam! su: No module specific data is present
Oct 12 15:23:48.493 INFO running `"docker" "rm" "-f" "70fb09cb8bb1cdd9253d0862cea0166b2783abf7f8d1d5583cec8d80bfe868bb"`
Oct 12 15:23:48.672 INFO blam! 70fb09cb8bb1cdd9253d0862cea0166b2783abf7f8d1d5583cec8d80bfe868bb