Dec 11 20:17:29.558 INFO checking d3zd3z/bootsim against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 20:17:29.558 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-3/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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"`
Dec 11 20:17:30.082 INFO [stdout] 54cb5f1698cd917d2083791c9434d5fc2be497e3a7aec2a392f8b81807f3bb79
Dec 11 20:17:30.090 INFO running `"docker" "start" "-a" "54cb5f1698cd917d2083791c9434d5fc2be497e3a7aec2a392f8b81807f3bb79"`
Dec 11 20:17:31.508 INFO [stderr] usermod: no changes
Dec 11 20:17:31.600 INFO [stderr]    Compiling backtrace-sys v0.1.5
Dec 11 20:17:31.600 INFO [stderr]    Compiling bootsim v0.1.0 (/source)
Dec 11 20:17:33.075 INFO [stderr] warning: bootutil/src/loader.c: In function 'split_go':
Dec 11 20:17:33.075 INFO [stderr] warning: bootutil/src/loader.c:1092:14: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
Dec 11 20:17:33.075 INFO [stderr] warning:      *entry = (void*) entry_val;
Dec 11 20:17:33.075 INFO [stderr] warning:               ^
Dec 11 20:17:33.545 INFO [stderr]     Checking backtrace v0.3.0
Dec 11 20:17:34.144 INFO [stderr]     Checking error-chain v0.7.1
Dec 11 20:17:35.832 INFO [stderr] warning: variable does not need to be mutable
Dec 11 20:17:35.832 INFO [stderr]   --> src/flash.rs:77:13
Dec 11 20:17:35.832 INFO [stderr]    |
Dec 11 20:17:35.832 INFO [stderr] 77 |         let mut sub = &mut self.data[offset .. offset + payload.len()];
Dec 11 20:17:35.832 INFO [stderr]    |             ----^^^
Dec 11 20:17:35.832 INFO [stderr]    |             |
Dec 11 20:17:35.832 INFO [stderr]    |             help: remove this `mut`
Dec 11 20:17:35.832 INFO [stderr]    |
Dec 11 20:17:35.832 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 20:17:35.832 INFO [stderr] 
Dec 11 20:17:35.836 INFO [stderr] warning: variable does not need to be mutable
Dec 11 20:17:35.836 INFO [stderr]   --> src/api.rs:11:9
Dec 11 20:17:35.836 INFO [stderr]    |
Dec 11 20:17:35.836 INFO [stderr] 11 |     let mut dev: &mut Flash = unsafe { &mut *dev };
Dec 11 20:17:35.836 INFO [stderr]    |         ----^^^
Dec 11 20:17:35.836 INFO [stderr]    |         |
Dec 11 20:17:35.836 INFO [stderr]    |         help: remove this `mut`
Dec 11 20:17:35.836 INFO [stderr] 
Dec 11 20:17:35.836 INFO [stderr] warning: variable does not need to be mutable
Dec 11 20:17:35.836 INFO [stderr]   --> src/api.rs:24:9
Dec 11 20:17:35.836 INFO [stderr]    |
Dec 11 20:17:35.836 INFO [stderr] 24 |     let mut dev: &mut Flash = unsafe { &mut *dev };
Dec 11 20:17:35.836 INFO [stderr]    |         ----^^^
Dec 11 20:17:35.836 INFO [stderr]    |         |
Dec 11 20:17:35.836 INFO [stderr]    |         help: remove this `mut`
Dec 11 20:17:35.836 INFO [stderr] 
Dec 11 20:17:36.072 INFO [stderr] warning: variable does not need to be mutable
Dec 11 20:17:36.072 INFO [stderr]   --> src/flash.rs:77:13
Dec 11 20:17:36.072 INFO [stderr]    |
Dec 11 20:17:36.072 INFO [stderr] 77 |         let mut sub = &mut self.data[offset .. offset + payload.len()];
Dec 11 20:17:36.072 INFO [stderr]    |             ----^^^
Dec 11 20:17:36.072 INFO [stderr]    |             |
Dec 11 20:17:36.072 INFO [stderr]    |             help: remove this `mut`
Dec 11 20:17:36.072 INFO [stderr]    |
Dec 11 20:17:36.072 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 20:17:36.072 INFO [stderr] 
Dec 11 20:17:36.088 INFO [stderr] warning: variable does not need to be mutable
Dec 11 20:17:36.088 INFO [stderr]   --> src/api.rs:11:9
Dec 11 20:17:36.088 INFO [stderr]    |
Dec 11 20:17:36.088 INFO [stderr] 11 |     let mut dev: &mut Flash = unsafe { &mut *dev };
Dec 11 20:17:36.088 INFO [stderr]    |         ----^^^
Dec 11 20:17:36.088 INFO [stderr]    |         |
Dec 11 20:17:36.088 INFO [stderr]    |         help: remove this `mut`
Dec 11 20:17:36.088 INFO [stderr] 
Dec 11 20:17:36.088 INFO [stderr] warning: variable does not need to be mutable
Dec 11 20:17:36.088 INFO [stderr]   --> src/api.rs:24:9
Dec 11 20:17:36.088 INFO [stderr]    |
Dec 11 20:17:36.088 INFO [stderr] 24 |     let mut dev: &mut Flash = unsafe { &mut *dev };
Dec 11 20:17:36.088 INFO [stderr]    |         ----^^^
Dec 11 20:17:36.088 INFO [stderr]    |         |
Dec 11 20:17:36.088 INFO [stderr]    |         help: remove this `mut`
Dec 11 20:17:36.088 INFO [stderr] 
Dec 11 20:17:36.152 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.63s
Dec 11 20:17:36.156 INFO [stderr] su: No module specific data is present
Dec 11 20:17:36.862 INFO running `"docker" "inspect" "54cb5f1698cd917d2083791c9434d5fc2be497e3a7aec2a392f8b81807f3bb79"`
Dec 11 20:17:37.106 INFO running `"docker" "rm" "-f" "54cb5f1698cd917d2083791c9434d5fc2be497e3a7aec2a392f8b81807f3bb79"`
Dec 11 20:17:37.432 INFO [stdout] 54cb5f1698cd917d2083791c9434d5fc2be497e3a7aec2a392f8b81807f3bb79