Sep 01 16:26:27.189 INFO checking brson/coingrab against try#952c7dbfa2628309f557b367929ffc17af20b332 for pr-53851
Sep 01 16:26:27.189 INFO running: cargo +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets
Sep 01 16:26:27.189 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53851/try#952c7dbfa2628309f557b367929ffc17af20b332:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-3/try#952c7dbfa2628309f557b367929ffc17af20b332:/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 +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 16:26:27.418 INFO blam! 03c703c098339f9de22cd3f8ad20f078bcd89c8b835195cbfb2de40ec942da18
Sep 01 16:26:27.420 INFO running `"docker" "start" "-a" "03c703c098339f9de22cd3f8ad20f078bcd89c8b835195cbfb2de40ec942da18"`
Sep 01 16:26:28.566 INFO kablam!    Compiling libc v0.2.23
Sep 01 16:26:28.572 INFO kablam!    Compiling openssl v0.9.13
Sep 01 16:26:28.579 INFO kablam!     Checking num-traits v0.1.39
Sep 01 16:26:28.582 INFO kablam!     Checking cfg-if v0.1.1
Sep 01 16:26:28.585 INFO kablam!    Compiling openssl-sys v0.9.13
Sep 01 16:26:28.588 INFO kablam!     Checking thread-id v3.1.0
Sep 01 16:26:28.638 INFO kablam!     Checking memchr v1.0.1
Sep 01 16:26:28.661 INFO kablam!     Checking rand v0.3.15
Sep 01 16:26:29.125 INFO kablam!     Checking fs2 v0.4.1
Sep 01 16:26:29.928 INFO kablam!     Checking base64 v0.5.2
Sep 01 16:26:30.092 INFO kablam!     Checking libflate v0.1.7
Sep 01 16:26:31.263 INFO kablam!     Checking toml v0.4.1
Sep 01 16:26:32.947 INFO kablam!     Checking thread_local v0.3.3
Sep 01 16:26:33.165 INFO kablam!     Checking aho-corasick v0.6.3
Sep 01 16:26:37.316 INFO kablam!    Compiling serde_derive_internals v0.15.1
Sep 01 16:26:37.327 INFO kablam!     Checking backtrace v0.3.2
Sep 01 16:26:38.598 INFO kablam!     Checking hyper v0.10.12
Sep 01 16:26:39.077 INFO kablam!     Checking serde_urlencoded v0.5.1
Sep 01 16:26:39.547 INFO kablam!     Checking num-integer v0.1.34
Sep 01 16:26:40.719 INFO kablam!     Checking serde_json v1.0.2
Sep 01 16:26:41.399 INFO kablam!     Checking regex v0.2.2
Sep 01 16:26:42.481 INFO kablam!     Checking fancy_flocks v0.1.0 (file:///source/fancy_flocks)
Sep 01 16:26:44.624 INFO kablam!     Checking tempdir v0.3.5
Sep 01 16:26:45.374 INFO kablam! warning: variable does not need to be mutable
Sep 01 16:26:45.374 INFO kablam!    --> fancy_flocks/src/dirty_flock.rs:111:13
Sep 01 16:26:45.374 INFO kablam!     |
Sep 01 16:26:45.374 INFO kablam! 111 |         let mut file = file.deref_mut().as_mut().expect("locked file");
Sep 01 16:26:45.375 INFO kablam!     |             ----^^^^
Sep 01 16:26:45.375 INFO kablam!     |             |
Sep 01 16:26:45.375 INFO kablam!     |             help: remove this `mut`
Sep 01 16:26:45.375 INFO kablam!     |
Sep 01 16:26:45.375 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 01 16:26:45.375 INFO kablam! 
Sep 01 16:26:45.410 INFO kablam! warning: variable does not need to be mutable
Sep 01 16:26:45.410 INFO kablam!    --> fancy_flocks/src/dirty_flock.rs:123:17
Sep 01 16:26:45.410 INFO kablam!     |
Sep 01 16:26:45.410 INFO kablam! 123 |             let mut file = file_.deref_mut().as_mut().expect("locked file");
Sep 01 16:26:45.410 INFO kablam!     |                 ----^^^^
Sep 01 16:26:45.410 INFO kablam!     |                 |
Sep 01 16:26:45.410 INFO kablam!     |                 help: remove this `mut`
Sep 01 16:26:45.410 INFO kablam! 
Sep 01 16:26:45.820 INFO kablam!     Checking error-chain v0.10.0
Sep 01 16:26:46.363 INFO kablam!     Checking num-iter v0.1.33
Sep 01 16:26:48.254 INFO kablam!     Checking num v0.1.39
Sep 01 16:26:49.263 INFO kablam!     Checking chrono v0.3.1
Sep 01 16:26:56.775 INFO kablam!    Compiling serde_derive v1.0.8
Sep 01 16:26:56.917 INFO kablam!    Compiling phf_generator v0.7.21
Sep 01 16:26:58.836 INFO kablam!    Compiling string_cache_codegen v0.3.1
Sep 01 16:26:58.836 INFO kablam!    Compiling phf_codegen v0.7.21
Sep 01 16:27:00.385 INFO kablam!     Checking env_logger v0.4.3
Sep 01 16:27:00.985 INFO kablam!    Compiling html5ever v0.14.1
Sep 01 16:27:06.635 INFO kablam!    Compiling string_cache v0.4.0
Sep 01 16:27:06.636 INFO kablam!    Compiling html5ever-atoms v0.2.2
Sep 01 16:27:16.910 INFO kablam!     Checking native-tls v0.1.2
Sep 01 16:27:18.583 INFO kablam!     Checking hyper-native-tls v0.2.4
Sep 01 16:27:21.261 INFO kablam!     Checking reqwest v0.6.2
Sep 01 16:27:31.087 INFO kablam!     Checking select v0.4.0
Sep 01 16:27:32.792 INFO kablam!     Checking coingrab v0.1.0 (file:///source)
Sep 01 16:27:39.755 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1m 11s
Sep 01 16:27:39.778 INFO kablam! su: No module specific data is present
Sep 01 16:27:40.349 INFO running `"docker" "rm" "-f" "03c703c098339f9de22cd3f8ad20f078bcd89c8b835195cbfb2de40ec942da18"`
Sep 01 16:27:40.511 INFO blam! 03c703c098339f9de22cd3f8ad20f078bcd89c8b835195cbfb2de40ec942da18