Oct 12 15:21:55.571 INFO checking racer-rust/racer against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 15:21:55.572 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-6/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-6/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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 15:21:56.214 INFO blam! 4ede16500bdbb4b88ff028ebf8ffac1489284d68dd6c92eb19ff72d3506a72df
Oct 12 15:21:56.215 INFO running `"docker" "start" "-a" "4ede16500bdbb4b88ff028ebf8ffac1489284d68dd6c92eb19ff72d3506a72df"`
Oct 12 15:21:57.616 INFO kablam! usermod: no changes
Oct 12 15:21:57.908 INFO kablam!    Compiling rustc-rayon-core v0.1.1
Oct 12 15:21:57.908 INFO kablam!    Compiling rustc-ap-rustc_target v272.0.0
Oct 12 15:21:57.908 INFO kablam!     Checking scoped-tls v0.1.2
Oct 12 15:21:57.908 INFO kablam!    Compiling rustc-ap-syntax v272.0.0
Oct 12 15:21:57.908 INFO kablam!     Checking rls-span v0.4.0
Oct 12 15:21:57.908 INFO kablam!    Compiling proc-macro2 v0.3.8
Oct 12 15:21:57.908 INFO kablam!     Checking rustc-hash v1.0.1
Oct 12 15:21:57.924 INFO kablam!    Compiling rustc_version v0.2.2
Oct 12 15:21:59.040 INFO kablam!     Checking rustc-ap-rustc_cratesio_shim v272.0.0
Oct 12 15:21:59.524 INFO kablam!     Checking ena v0.9.3
Oct 12 15:22:00.168 INFO kablam!     Checking crossbeam-epoch v0.3.1
Oct 12 15:22:01.316 INFO kablam!     Checking smallvec v0.6.5
Oct 12 15:22:01.320 INFO kablam!     Checking lock_api v0.1.3
Oct 12 15:22:01.400 INFO kablam!     Checking env_logger v0.5.10
Oct 12 15:22:01.404 INFO kablam!    Compiling serde_derive v1.0.70
Oct 12 15:22:01.530 INFO kablam!    Compiling parking_lot_core v0.3.1
Oct 12 15:22:04.357 INFO kablam!     Checking crossbeam-deque v0.2.0
Oct 12 15:22:04.729 INFO kablam!     Checking parking_lot_core v0.2.14
Oct 12 15:22:04.729 INFO kablam!     Checking rustc-ap-serialize v272.0.0
Oct 12 15:22:08.596 INFO kablam!     Checking parking_lot v0.6.4
Oct 12 15:22:12.596 INFO kablam!     Checking rustc-rayon v0.1.1
Oct 12 15:22:12.734 INFO kablam!    Compiling quote v0.5.2
Oct 12 15:22:15.760 INFO kablam!    Compiling syn v0.13.11
Oct 12 15:22:22.980 INFO kablam!     Checking rustc-ap-rustc_data_structures v272.0.0
Oct 12 15:22:38.758 INFO kablam!     Checking rustc-ap-arena v272.0.0
Oct 12 15:22:42.072 INFO kablam!     Checking rustc-ap-syntax_pos v272.0.0
Oct 12 15:22:43.862 INFO kablam!     Checking serde v1.0.70
Oct 12 15:22:46.981 INFO kablam!    Compiling derive_more v0.11.0
Oct 12 15:22:48.769 INFO kablam!     Checking rustc-ap-rustc_errors v272.0.0
Oct 12 15:23:08.999 INFO kablam!     Checking racer-interner v0.1.0 (/source/interner)
Oct 12 15:23:08.999 INFO kablam!     Checking serde_json v1.0.22
Oct 12 15:23:14.473 INFO kablam!     Checking racer-cargo-metadata v0.1.0 (/source/metadata)
Oct 12 15:23:24.349 INFO kablam!     Checking racer v2.1.7 (/source)
Oct 12 15:23:28.524 INFO kablam! warning: method is never used: `is_int`
Oct 12 15:23:28.524 INFO kablam!   --> src/racer/primitive.rs:83:5
Oct 12 15:23:28.524 INFO kablam!    |
Oct 12 15:23:28.524 INFO kablam! 83 |     fn is_int(self) -> bool {
Oct 12 15:23:28.525 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:23:28.525 INFO kablam!    |
Oct 12 15:23:28.525 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 15:23:28.525 INFO kablam! 
Oct 12 15:23:28.525 INFO kablam! warning: method is never used: `is_uint`
Oct 12 15:23:28.525 INFO kablam!   --> src/racer/primitive.rs:96:5
Oct 12 15:23:28.525 INFO kablam!    |
Oct 12 15:23:28.525 INFO kablam! 96 |     fn is_uint(self) -> bool {
Oct 12 15:23:28.525 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:23:28.526 INFO kablam! 
Oct 12 15:23:28.816 INFO kablam!     Checking racer-testutils v0.1.0 (/source/testutils)
Oct 12 15:23:47.264 INFO kablam! warning: variable does not need to be mutable
Oct 12 15:23:47.264 INFO kablam!    --> src/racer/nameres.rs:748:9
Oct 12 15:23:47.264 INFO kablam!     |
Oct 12 15:23:47.265 INFO kablam! 748 |     let mut matches = do_file_search("std", &Path::new("."), &session);
Oct 12 15:23:47.265 INFO kablam!     |         ----^^^^^^^
Oct 12 15:23:47.265 INFO kablam!     |         |
Oct 12 15:23:47.265 INFO kablam!     |         help: remove this `mut`
Oct 12 15:23:47.266 INFO kablam!     |
Oct 12 15:23:47.266 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 12 15:23:47.266 INFO kablam! 
Oct 12 15:23:47.267 INFO kablam! warning: variable does not need to be mutable
Oct 12 15:23:47.267 INFO kablam!    --> src/racer/nameres.rs:760:9
Oct 12 15:23:47.267 INFO kablam!     |
Oct 12 15:23:47.268 INFO kablam! 760 |     let mut matches = do_file_search("submodule", &Path::new("fixtures/arst/src"), &session);
Oct 12 15:23:47.268 INFO kablam!     |         ----^^^^^^^
Oct 12 15:23:47.268 INFO kablam!     |         |
Oct 12 15:23:47.269 INFO kablam!     |         help: remove this `mut`
Oct 12 15:23:47.269 INFO kablam! 
Oct 12 15:23:47.733 INFO kablam! warning: method is never used: `is_int`
Oct 12 15:23:47.733 INFO kablam!   --> src/racer/primitive.rs:83:5
Oct 12 15:23:47.733 INFO kablam!    |
Oct 12 15:23:47.734 INFO kablam! 83 |     fn is_int(self) -> bool {
Oct 12 15:23:47.734 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:23:47.734 INFO kablam!    |
Oct 12 15:23:47.734 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 15:23:47.735 INFO kablam! 
Oct 12 15:23:47.735 INFO kablam! warning: method is never used: `is_uint`
Oct 12 15:23:47.735 INFO kablam!   --> src/racer/primitive.rs:96:5
Oct 12 15:23:47.736 INFO kablam!    |
Oct 12 15:23:47.736 INFO kablam! 96 |     fn is_uint(self) -> bool {
Oct 12 15:23:47.736 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:23:47.736 INFO kablam! 
Oct 12 15:23:47.944 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1m 50s
Oct 12 15:23:47.969 INFO kablam! su: No module specific data is present
Oct 12 15:23:48.473 INFO running `"docker" "rm" "-f" "4ede16500bdbb4b88ff028ebf8ffac1489284d68dd6c92eb19ff72d3506a72df"`
Oct 12 15:23:48.725 INFO blam! 4ede16500bdbb4b88ff028ebf8ffac1489284d68dd6c92eb19ff72d3506a72df