Sep 03 20:39:20.841 INFO checking racer-rust/racer against master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8 for pr-53913
Sep 03 20:39:20.841 INFO running: cargo +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets
Sep 03 20:39:20.841 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53913/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53913/worker-3/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 03 20:39:21.040 INFO blam! 6360169bb47bda19a9e58b2a4dccd389dd6df0070ed8f3fb6d632c48ce53f353
Sep 03 20:39:21.041 INFO running `"docker" "start" "-a" "6360169bb47bda19a9e58b2a4dccd389dd6df0070ed8f3fb6d632c48ce53f353"`
Sep 03 20:39:22.006 INFO kablam!    Compiling serde v1.0.70
Sep 03 20:39:22.008 INFO kablam!     Checking lazycell v1.0.0
Sep 03 20:39:22.009 INFO kablam!     Checking rls-span v0.4.0
Sep 03 20:39:22.010 INFO kablam!    Compiling proc-macro2 v0.3.8
Sep 03 20:39:22.010 INFO kablam!     Checking rustc-hash v1.0.1
Sep 03 20:39:22.010 INFO kablam!     Checking crossbeam-epoch v0.3.1
Sep 03 20:39:22.010 INFO kablam!     Checking ena v0.9.3
Sep 03 20:39:22.010 INFO kablam!     Checking rustc-ap-rustc_cratesio_shim v237.0.0
Sep 03 20:39:22.563 INFO kablam!     Checking parking_lot_core v0.2.14
Sep 03 20:39:22.571 INFO kablam!     Checking regex v1.0.1
Sep 03 20:39:22.623 INFO kablam!     Checking rustc-ap-rustc_target v237.0.0
Sep 03 20:39:24.935 INFO kablam!     Checking parking_lot v0.5.5
Sep 03 20:39:24.973 INFO kablam!     Checking crossbeam-deque v0.2.0
Sep 03 20:39:26.223 INFO kablam!     Checking rustc-rayon-core v0.1.1
Sep 03 20:39:29.998 INFO kablam!     Checking rustc-rayon v0.1.1
Sep 03 20:39:32.775 INFO kablam!    Compiling quote v0.5.2
Sep 03 20:39:35.949 INFO kablam!     Checking env_logger v0.5.10
Sep 03 20:39:35.962 INFO kablam!    Compiling syn v0.13.11
Sep 03 20:39:44.613 INFO kablam!     Checking rustc-ap-rustc_data_structures v237.0.0
Sep 03 20:39:54.106 INFO kablam!     Checking rustc-ap-arena v237.0.0
Sep 03 20:39:55.607 INFO kablam!     Checking rustc-ap-syntax_pos v237.0.0
Sep 03 20:40:03.212 INFO kablam!    Compiling derive_more v0.11.0
Sep 03 20:40:04.049 INFO kablam!     Checking rustc-ap-rustc_errors v237.0.0
Sep 03 20:40:06.114 INFO kablam!     Checking racer-interner v0.1.0 (file:///source/interner)
Sep 03 20:40:06.117 INFO kablam!     Checking serde_json v1.0.22
Sep 03 20:40:09.653 INFO kablam!     Checking rustc-ap-syntax v237.0.0
Sep 03 20:40:15.651 INFO kablam!     Checking racer-cargo-metadata v0.1.0 (file:///source/metadata)
Sep 03 20:40:39.581 INFO kablam!     Checking racer v2.1.5 (file:///source)
Sep 03 20:40:43.082 INFO kablam! warning: method is never used: `wrap_by_ref`
Sep 03 20:40:43.082 INFO kablam!   --> src/racer/ast_types.rs:53:5
Sep 03 20:40:43.082 INFO kablam!    |
Sep 03 20:40:43.082 INFO kablam! 53 |     pub(crate) fn wrap_by_ref(self, u: usize) -> Ty {
Sep 03 20:40:43.082 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 03 20:40:43.082 INFO kablam!    |
Sep 03 20:40:43.082 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 03 20:40:43.082 INFO kablam! 
Sep 03 20:40:43.082 INFO kablam! warning: method is never used: `destruct_ref`
Sep 03 20:40:43.082 INFO kablam!   --> src/racer/ast_types.rs:60:5
Sep 03 20:40:43.082 INFO kablam!    |
Sep 03 20:40:43.083 INFO kablam! 60 |     pub(crate) fn destruct_ref(self) -> (Ty, usize) {
Sep 03 20:40:43.083 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 03 20:40:43.083 INFO kablam! 
Sep 03 20:40:43.083 INFO kablam! warning: function is never used: `destruct_ref_inner`
Sep 03 20:40:43.083 INFO kablam!   --> src/racer/ast_types.rs:61:9
Sep 03 20:40:43.083 INFO kablam!    |
Sep 03 20:40:43.083 INFO kablam! 61 |         fn destruct_ref_inner(ty: Ty, cur: usize) -> (Ty, usize) {
Sep 03 20:40:43.083 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 03 20:40:43.083 INFO kablam! 
Sep 03 20:40:43.260 INFO kablam!     Checking racer-testutils v0.1.0 (file:///source/testutils)
Sep 03 20:40:52.563 INFO kablam! warning: method is never used: `wrap_by_ref`
Sep 03 20:40:52.563 INFO kablam!   --> src/racer/ast_types.rs:53:5
Sep 03 20:40:52.563 INFO kablam!    |
Sep 03 20:40:52.563 INFO kablam! 53 |     pub(crate) fn wrap_by_ref(self, u: usize) -> Ty {
Sep 03 20:40:52.563 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 03 20:40:52.563 INFO kablam!    |
Sep 03 20:40:52.563 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 03 20:40:52.563 INFO kablam! 
Sep 03 20:40:52.563 INFO kablam! warning: method is never used: `destruct_ref`
Sep 03 20:40:52.563 INFO kablam!   --> src/racer/ast_types.rs:60:5
Sep 03 20:40:52.563 INFO kablam!    |
Sep 03 20:40:52.563 INFO kablam! 60 |     pub(crate) fn destruct_ref(self) -> (Ty, usize) {
Sep 03 20:40:52.563 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 03 20:40:52.563 INFO kablam! 
Sep 03 20:40:52.563 INFO kablam! warning: function is never used: `destruct_ref_inner`
Sep 03 20:40:52.563 INFO kablam!   --> src/racer/ast_types.rs:61:9
Sep 03 20:40:52.564 INFO kablam!    |
Sep 03 20:40:52.564 INFO kablam! 61 |         fn destruct_ref_inner(ty: Ty, cur: usize) -> (Ty, usize) {
Sep 03 20:40:52.564 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 03 20:40:52.564 INFO kablam! 
Sep 03 20:40:52.809 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1m 31s
Sep 03 20:40:52.844 INFO kablam! su: No module specific data is present
Sep 03 20:40:53.386 INFO running `"docker" "rm" "-f" "6360169bb47bda19a9e58b2a4dccd389dd6df0070ed8f3fb6d632c48ce53f353"`
Sep 03 20:40:53.550 INFO blam! 6360169bb47bda19a9e58b2a4dccd389dd6df0070ed8f3fb6d632c48ce53f353