Sep 17 13:27:35.017 INFO checking brson/coingrab against try#cfeeefe83c83bceb55d60d7e2be173db7597ed50 for pr-54033
Sep 17 13:27:35.017 INFO running: cargo +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets
Sep 17 13:27:35.017 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54033/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-0/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/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=1000" "-e" "CMD=cargo +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 17 13:27:35.431 INFO blam! 671af37173d19aee43d9d728bcc6529da6125b10a181726aff6358b5929f9ba5
Sep 17 13:27:35.437 INFO running `"docker" "start" "-a" "671af37173d19aee43d9d728bcc6529da6125b10a181726aff6358b5929f9ba5"`
Sep 17 13:27:36.863 INFO kablam! usermod: no changes
Sep 17 13:27:37.244 INFO kablam!    Compiling libc v0.2.23
Sep 17 13:27:37.244 INFO kablam!    Compiling gcc v0.3.50
Sep 17 13:27:37.259 INFO kablam!    Compiling openssl v0.9.13
Sep 17 13:27:37.303 INFO kablam!     Checking rustc-demangle v0.1.4
Sep 17 13:27:37.303 INFO kablam!     Checking serde v1.0.8
Sep 17 13:27:37.303 INFO kablam!     Checking utf-8 v0.6.0
Sep 17 13:27:37.303 INFO kablam!     Checking num_cpus v1.5.1
Sep 17 13:27:37.311 INFO kablam!     Checking time v0.1.37
Sep 17 13:27:38.403 INFO kablam!     Checking thread-id v3.1.0
Sep 17 13:27:38.555 INFO kablam!     Checking memchr v1.0.1
Sep 17 13:27:38.943 INFO kablam!     Checking fs2 v0.4.1
Sep 17 13:27:39.971 INFO kablam!     Checking rand v0.3.15
Sep 17 13:27:39.971 INFO kablam!     Checking libflate v0.1.7
Sep 17 13:27:40.419 INFO kablam!     Checking idna v0.1.2
Sep 17 13:27:40.868 INFO kablam!     Checking thread_local v0.3.3
Sep 17 13:27:42.034 INFO kablam!     Checking aho-corasick v0.6.3
Sep 17 13:27:47.431 INFO kablam!    Compiling serde_derive_internals v0.15.1
Sep 17 13:27:47.443 INFO kablam!     Checking num v0.1.39
Sep 17 13:27:47.539 INFO kablam!     Checking tendril v0.2.4
Sep 17 13:27:47.883 INFO kablam!     Checking regex v0.2.2
Sep 17 13:27:48.095 INFO kablam!     Checking fancy_flocks v0.1.0 (/source/fancy_flocks)
Sep 17 13:27:48.481 INFO kablam!     Checking tempdir v0.3.5
Sep 17 13:27:50.167 INFO kablam! warning: variable does not need to be mutable
Sep 17 13:27:50.167 INFO kablam!    --> fancy_flocks/src/dirty_flock.rs:111:13
Sep 17 13:27:50.167 INFO kablam!     |
Sep 17 13:27:50.167 INFO kablam! 111 |         let mut file = file.deref_mut().as_mut().expect("locked file");
Sep 17 13:27:50.167 INFO kablam!     |             ----^^^^
Sep 17 13:27:50.167 INFO kablam!     |             |
Sep 17 13:27:50.167 INFO kablam!     |             help: remove this `mut`
Sep 17 13:27:50.175 INFO kablam!     |
Sep 17 13:27:50.175 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 17 13:27:50.175 INFO kablam! 
Sep 17 13:27:50.175 INFO kablam! warning: variable does not need to be mutable
Sep 17 13:27:50.175 INFO kablam!    --> fancy_flocks/src/dirty_flock.rs:123:17
Sep 17 13:27:50.175 INFO kablam!     |
Sep 17 13:27:50.175 INFO kablam! 123 |             let mut file = file_.deref_mut().as_mut().expect("locked file");
Sep 17 13:27:50.175 INFO kablam!     |                 ----^^^^
Sep 17 13:27:50.175 INFO kablam!     |                 |
Sep 17 13:27:50.175 INFO kablam!     |                 help: remove this `mut`
Sep 17 13:27:50.239 INFO kablam! 
Sep 17 13:27:50.347 INFO kablam!    Compiling openssl-sys v0.9.13
Sep 17 13:27:50.585 INFO kablam!    Compiling backtrace-sys v0.1.11
Sep 17 13:27:51.991 INFO kablam!     Checking url v1.4.1
Sep 17 13:28:01.180 INFO kablam!    Compiling serde_derive v1.0.8
Sep 17 13:28:01.477 INFO kablam!    Compiling phf_generator v0.7.21
Sep 17 13:28:01.572 INFO kablam!     Checking hyper v0.10.12
Sep 17 13:28:01.688 INFO kablam!     Checking env_logger v0.4.3
Sep 17 13:28:03.057 INFO kablam!    Compiling string_cache_codegen v0.3.1
Sep 17 13:28:03.060 INFO kablam!    Compiling phf_codegen v0.7.21
Sep 17 13:28:05.497 INFO kablam!    Compiling html5ever v0.14.1
Sep 17 13:28:18.611 INFO kablam!    Compiling string_cache v0.4.0
Sep 17 13:28:18.611 INFO kablam!    Compiling html5ever-atoms v0.2.2
Sep 17 13:28:29.445 INFO kablam!     Checking native-tls v0.1.2
Sep 17 13:28:35.131 INFO kablam!     Checking hyper-native-tls v0.2.4
Sep 17 13:28:35.352 INFO kablam!     Checking serde_json v1.0.2
Sep 17 13:28:35.352 INFO kablam!     Checking serde_urlencoded v0.5.1
Sep 17 13:28:35.395 INFO kablam!     Checking chrono v0.3.1
Sep 17 13:28:35.438 INFO kablam!     Checking toml v0.4.1
Sep 17 13:28:43.963 INFO kablam!     Checking backtrace v0.3.2
Sep 17 13:28:44.259 INFO kablam!     Checking reqwest v0.6.2
Sep 17 13:28:45.272 INFO kablam!     Checking error-chain v0.10.0
Sep 17 13:28:48.189 INFO kablam!     Checking select v0.4.0
Sep 17 13:28:49.059 INFO kablam!     Checking coingrab v0.1.0 (/source)
Sep 17 13:28:55.070 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1m 18s
Sep 17 13:28:55.091 INFO kablam! su: No module specific data is present
Sep 17 13:28:56.555 INFO running `"docker" "rm" "-f" "671af37173d19aee43d9d728bcc6529da6125b10a181726aff6358b5929f9ba5"`
Sep 17 13:28:56.842 INFO blam! 671af37173d19aee43d9d728bcc6529da6125b10a181726aff6358b5929f9ba5