Nov 07 00:23:39.730 INFO checking brson/coingrab against master#24e66c28980442a48d9458f1a4f9b76cc722dc8a for pr-55687
Nov 07 00:23:39.730 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55687/worker-3/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55687/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/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 +24e66c28980442a48d9458f1a4f9b76cc722dc8a-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 07 00:23:40.325 INFO blam! 339c7411dd552ec898fe658bf88e040a95bd35d991d937cb304c51f28e27fed2
Nov 07 00:23:40.328 INFO running `"docker" "start" "-a" "339c7411dd552ec898fe658bf88e040a95bd35d991d937cb304c51f28e27fed2"`
Nov 07 00:23:42.420 INFO kablam! usermod: no changes
Nov 07 00:23:42.844 INFO kablam!     Checking utf-8 v0.6.0
Nov 07 00:23:42.844 INFO kablam!     Checking fs2 v0.4.1
Nov 07 00:23:42.848 INFO kablam!     Checking tempdir v0.3.5
Nov 07 00:23:42.848 INFO kablam!    Compiling string_cache_codegen v0.3.1
Nov 07 00:23:42.848 INFO kablam!    Compiling serde_derive_internals v0.15.1
Nov 07 00:23:42.848 INFO kablam!    Compiling html5ever v0.14.1
Nov 07 00:23:42.848 INFO kablam!     Checking serde_urlencoded v0.5.1
Nov 07 00:23:42.848 INFO kablam!     Checking chrono v0.3.1
Nov 07 00:23:45.125 INFO kablam!     Checking tendril v0.2.4
Nov 07 00:23:45.492 INFO kablam!     Checking fancy_flocks v0.1.0 (/source/fancy_flocks)
Nov 07 00:23:47.287 INFO kablam! warning: variable does not need to be mutable
Nov 07 00:23:47.287 INFO kablam!    --> fancy_flocks/src/dirty_flock.rs:111:13
Nov 07 00:23:47.287 INFO kablam!     |
Nov 07 00:23:47.287 INFO kablam! 111 |         let mut file = file.deref_mut().as_mut().expect("locked file");
Nov 07 00:23:47.287 INFO kablam!     |             ----^^^^
Nov 07 00:23:47.287 INFO kablam!     |             |
Nov 07 00:23:47.287 INFO kablam!     |             help: remove this `mut`
Nov 07 00:23:47.287 INFO kablam!     |
Nov 07 00:23:47.287 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 07 00:23:47.287 INFO kablam! 
Nov 07 00:23:47.293 INFO kablam! warning: variable does not need to be mutable
Nov 07 00:23:47.293 INFO kablam!    --> fancy_flocks/src/dirty_flock.rs:123:17
Nov 07 00:23:47.293 INFO kablam!     |
Nov 07 00:23:47.293 INFO kablam! 123 |             let mut file = file_.deref_mut().as_mut().expect("locked file");
Nov 07 00:23:47.294 INFO kablam!     |                 ----^^^^
Nov 07 00:23:47.294 INFO kablam!     |                 |
Nov 07 00:23:47.294 INFO kablam!     |                 help: remove this `mut`
Nov 07 00:23:47.294 INFO kablam! 
Nov 07 00:23:54.304 INFO kablam!     Checking reqwest v0.6.2
Nov 07 00:23:57.596 INFO kablam!    Compiling string_cache v0.4.0
Nov 07 00:23:57.732 INFO kablam!    Compiling html5ever-atoms v0.2.2
Nov 07 00:23:58.921 INFO kablam!    Compiling serde_derive v1.0.8
Nov 07 00:24:15.815 INFO kablam!     Checking select v0.4.0
Nov 07 00:24:17.417 INFO kablam!     Checking coingrab v0.1.0 (/source)
Nov 07 00:24:33.120 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 50.66s
Nov 07 00:24:33.153 INFO kablam! su: No module specific data is present
Nov 07 00:24:34.394 INFO running `"docker" "rm" "-f" "339c7411dd552ec898fe658bf88e040a95bd35d991d937cb304c51f28e27fed2"`
Nov 07 00:24:34.688 INFO blam! 339c7411dd552ec898fe658bf88e040a95bd35d991d937cb304c51f28e27fed2