Nov 09 06:53:42.152 INFO checking racer-rust/racer against try#dc13be39fae8d4c607889b27de374b52586485a3 for pr-55632
Nov 09 06:53:42.153 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55632/worker-6/try#dc13be39fae8d4c607889b27de374b52586485a3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55632/try#dc13be39fae8d4c607889b27de374b52586485a3:/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 +dc13be39fae8d4c607889b27de374b52586485a3-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"`
Nov 09 06:53:42.460 INFO blam! 561fa835cd0ecd6dcc64e6170618dee7d0ac5a9ddd073f99321190b75b87465d
Nov 09 06:53:42.462 INFO running `"docker" "start" "-a" "561fa835cd0ecd6dcc64e6170618dee7d0ac5a9ddd073f99321190b75b87465d"`
Nov 09 06:53:43.926 INFO kablam! usermod: no changes
Nov 09 06:53:44.335 INFO kablam!    Compiling rustc-rayon-core v0.1.1
Nov 09 06:53:44.343 INFO kablam!    Compiling serde v1.0.80
Nov 09 06:53:44.343 INFO kablam!    Compiling rustc-ap-rustc_target v274.0.0
Nov 09 06:53:44.343 INFO kablam!     Checking scoped-tls v0.1.2
Nov 09 06:53:44.343 INFO kablam!    Compiling rustc-ap-syntax v274.0.0
Nov 09 06:53:44.343 INFO kablam!     Checking rls-span v0.4.0
Nov 09 06:53:44.343 INFO kablam!     Checking rand v0.5.5
Nov 09 06:53:44.351 INFO kablam!     Checking rustc-hash v1.0.1
Nov 09 06:53:45.771 INFO kablam!     Checking crossbeam-epoch v0.3.1
Nov 09 06:53:45.819 INFO kablam!     Checking ena v0.9.3
Nov 09 06:53:46.463 INFO kablam!     Checking rustc-ap-rustc_cratesio_shim v274.0.0
Nov 09 06:53:46.475 INFO kablam!     Checking smallvec v0.6.5
Nov 09 06:53:46.475 INFO kablam!     Checking lock_api v0.1.3
Nov 09 06:53:46.634 INFO kablam!     Checking clap v2.32.0
Nov 09 06:53:46.912 INFO kablam!    Compiling parking_lot_core v0.3.1
Nov 09 06:53:47.368 INFO kablam!     Checking regex v1.0.1
Nov 09 06:53:47.434 INFO kablam!    Compiling quote v0.6.3
Nov 09 06:53:48.077 INFO kablam!     Checking crossbeam-deque v0.2.0
Nov 09 06:53:48.182 INFO kablam!     Checking parking_lot_core v0.2.14
Nov 09 06:53:48.767 INFO kablam!     Checking rustc-ap-serialize v274.0.0
Nov 09 06:53:52.063 INFO kablam!    Compiling syn v0.15.17
Nov 09 06:53:54.682 INFO kablam!     Checking rustc-rayon v0.1.1
Nov 09 06:53:57.919 INFO kablam!     Checking parking_lot v0.6.4
Nov 09 06:53:58.919 INFO kablam!     Checking env_logger v0.5.10
Nov 09 06:54:08.527 INFO kablam!     Checking rustc-ap-rustc_data_structures v274.0.0
Nov 09 06:54:14.789 INFO kablam!     Checking rustc-ap-arena v274.0.0
Nov 09 06:54:17.227 INFO kablam!     Checking rustc-ap-syntax_pos v274.0.0
Nov 09 06:54:19.840 INFO kablam!    Compiling serde_derive v1.0.80
Nov 09 06:54:19.840 INFO kablam!    Compiling derive_more v0.13.0
Nov 09 06:54:21.427 INFO kablam!     Checking rustc-ap-rustc_errors v274.0.0
Nov 09 06:55:05.875 INFO kablam!     Checking serde_json v1.0.32
Nov 09 06:55:05.875 INFO kablam!     Checking racer-interner v0.1.0 (/source/interner)
Nov 09 06:55:09.641 INFO kablam!     Checking racer-cargo-metadata v0.1.1 (/source/metadata)
Nov 09 06:55:11.320 INFO kablam!     Checking racer v2.1.10 (/source)
Nov 09 06:55:17.111 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 09 06:55:17.112 INFO kablam!    --> src/racer/ast_types.rs:532:17
Nov 09 06:55:17.112 INFO kablam!     |
Nov 09 06:55:17.112 INFO kablam! 532 |                 write!(f, "(");
Nov 09 06:55:17.112 INFO kablam!     |                 ^^^^^^^^^^^^^^^
Nov 09 06:55:17.112 INFO kablam!     |
Nov 09 06:55:17.112 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Nov 09 06:55:17.112 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 09 06:55:17.112 INFO kablam!     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 09 06:55:17.112 INFO kablam! 
Nov 09 06:55:17.319 INFO kablam!     Checking racer-testutils v0.1.0 (/source/testutils)
Nov 09 06:55:39.455 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 09 06:55:39.456 INFO kablam!    --> src/racer/ast_types.rs:532:17
Nov 09 06:55:39.456 INFO kablam!     |
Nov 09 06:55:39.456 INFO kablam! 532 |                 write!(f, "(");
Nov 09 06:55:39.456 INFO kablam!     |                 ^^^^^^^^^^^^^^^
Nov 09 06:55:39.457 INFO kablam!     |
Nov 09 06:55:39.457 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Nov 09 06:55:39.457 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 09 06:55:39.458 INFO kablam!     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 09 06:55:39.458 INFO kablam! 
Nov 09 06:55:39.666 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1m 55s
Nov 09 06:55:39.699 INFO kablam! su: No module specific data is present
Nov 09 06:55:40.859 INFO running `"docker" "rm" "-f" "561fa835cd0ecd6dcc64e6170618dee7d0ac5a9ddd073f99321190b75b87465d"`
Nov 09 06:55:41.203 INFO blam! 561fa835cd0ecd6dcc64e6170618dee7d0ac5a9ddd073f99321190b75b87465d