Nov 02 17:07:07.453 INFO checking brson/coingrab against master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862 for pr-55517
Nov 02 17:07:07.455 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-0/master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55517/master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862:/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 +f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862-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 02 17:07:08.036 INFO blam! 45f1bbdb500a1d42580e5975d4afc1462d708aeef184359f9c7a92c26ccf1dea
Nov 02 17:07:08.038 INFO running `"docker" "start" "-a" "45f1bbdb500a1d42580e5975d4afc1462d708aeef184359f9c7a92c26ccf1dea"`
Nov 02 17:07:10.560 INFO kablam! usermod: no changes
Nov 02 17:07:10.914 INFO kablam!     Checking utf-8 v0.6.0
Nov 02 17:07:10.921 INFO kablam!     Checking fs2 v0.4.1
Nov 02 17:07:10.952 INFO kablam!    Compiling string_cache_codegen v0.3.1
Nov 02 17:07:10.964 INFO kablam!    Compiling html5ever v0.14.1
Nov 02 17:07:10.965 INFO kablam!     Checking backtrace v0.3.2
Nov 02 17:07:10.980 INFO kablam!    Compiling serde_derive v1.0.8
Nov 02 17:07:10.984 INFO kablam!     Checking serde_urlencoded v0.5.1
Nov 02 17:07:10.993 INFO kablam!     Checking chrono v0.3.1
Nov 02 17:07:14.039 INFO kablam!     Checking fancy_flocks v0.1.0 (/source/fancy_flocks)
Nov 02 17:07:14.622 INFO kablam!     Checking hyper-native-tls v0.2.4
Nov 02 17:07:15.518 INFO kablam!     Checking tendril v0.2.4
Nov 02 17:07:18.288 INFO kablam! warning: variable does not need to be mutable
Nov 02 17:07:18.288 INFO kablam!    --> fancy_flocks/src/dirty_flock.rs:111:13
Nov 02 17:07:18.288 INFO kablam!     |
Nov 02 17:07:18.288 INFO kablam! 111 |         let mut file = file.deref_mut().as_mut().expect("locked file");
Nov 02 17:07:18.288 INFO kablam!     |             ----^^^^
Nov 02 17:07:18.288 INFO kablam!     |             |
Nov 02 17:07:18.288 INFO kablam!     |             help: remove this `mut`
Nov 02 17:07:18.288 INFO kablam!     |
Nov 02 17:07:18.288 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 02 17:07:18.288 INFO kablam! 
Nov 02 17:07:18.288 INFO kablam! warning: variable does not need to be mutable
Nov 02 17:07:18.288 INFO kablam!    --> fancy_flocks/src/dirty_flock.rs:123:17
Nov 02 17:07:18.288 INFO kablam!     |
Nov 02 17:07:18.288 INFO kablam! 123 |             let mut file = file_.deref_mut().as_mut().expect("locked file");
Nov 02 17:07:18.288 INFO kablam!     |                 ----^^^^
Nov 02 17:07:18.288 INFO kablam!     |                 |
Nov 02 17:07:18.288 INFO kablam!     |                 help: remove this `mut`
Nov 02 17:07:18.288 INFO kablam! 
Nov 02 17:07:23.685 INFO kablam!     Checking error-chain v0.10.0
Nov 02 17:07:23.990 INFO kablam!    Compiling string_cache v0.4.0
Nov 02 17:07:24.273 INFO kablam!    Compiling html5ever-atoms v0.2.2
Nov 02 17:07:24.484 INFO kablam!     Checking reqwest v0.6.2
Nov 02 17:07:44.628 INFO kablam!     Checking select v0.4.0
Nov 02 17:07:46.482 INFO kablam!     Checking coingrab v0.1.0 (/source)
Nov 02 17:08:02.301 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 51.70s
Nov 02 17:08:02.320 INFO kablam! su: No module specific data is present
Nov 02 17:08:03.437 INFO running `"docker" "rm" "-f" "45f1bbdb500a1d42580e5975d4afc1462d708aeef184359f9c7a92c26ccf1dea"`
Nov 02 17:08:03.718 INFO blam! 45f1bbdb500a1d42580e5975d4afc1462d708aeef184359f9c7a92c26ccf1dea