Dec 05 11:33:58.282 INFO checking jconfig-0.1.0 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 11:33:58.282 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 05 11:33:58.516 INFO [stdout] fb7b0a8a49aa7853752e7bf2daafa8bd0d7e4dbcbc6737432bd31f61b1f21762
Dec 05 11:33:58.518 INFO running `"docker" "start" "-a" "fb7b0a8a49aa7853752e7bf2daafa8bd0d7e4dbcbc6737432bd31f61b1f21762"`
Dec 05 11:33:58.950 INFO [stderr] usermod: no changes
Dec 05 11:33:59.008 INFO [stderr]     Checking jconfig v0.1.0 (/source)
Dec 05 11:33:59.959 INFO [stderr] warning: variable does not need to be mutable
Dec 05 11:33:59.959 INFO [stderr]   --> src/item.rs:71:13
Dec 05 11:33:59.959 INFO [stderr]    |
Dec 05 11:33:59.959 INFO [stderr] 71 |         let mut inner = unsafe { &mut *self.inner.get() };
Dec 05 11:33:59.959 INFO [stderr]    |             ----^^^^^
Dec 05 11:33:59.959 INFO [stderr]    |             |
Dec 05 11:33:59.959 INFO [stderr]    |             help: remove this `mut`
Dec 05 11:33:59.959 INFO [stderr]    |
Dec 05 11:33:59.959 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 11:33:59.959 INFO [stderr] 
Dec 05 11:33:59.959 INFO [stderr] warning: variable does not need to be mutable
Dec 05 11:33:59.959 INFO [stderr]   --> src/item.rs:93:13
Dec 05 11:33:59.959 INFO [stderr]    |
Dec 05 11:33:59.959 INFO [stderr] 93 |         let mut inner = unsafe { &mut *self.inner.get() };
Dec 05 11:33:59.959 INFO [stderr]    |             ----^^^^^
Dec 05 11:33:59.959 INFO [stderr]    |             |
Dec 05 11:33:59.959 INFO [stderr]    |             help: remove this `mut`
Dec 05 11:33:59.959 INFO [stderr] 
Dec 05 11:34:00.295 INFO [stderr] warning: variable does not need to be mutable
Dec 05 11:34:00.295 INFO [stderr]   --> src/item.rs:71:13
Dec 05 11:34:00.295 INFO [stderr]    |
Dec 05 11:34:00.295 INFO [stderr] 71 |         let mut inner = unsafe { &mut *self.inner.get() };
Dec 05 11:34:00.295 INFO [stderr]    |             ----^^^^^
Dec 05 11:34:00.295 INFO [stderr]    |             |
Dec 05 11:34:00.295 INFO [stderr]    |             help: remove this `mut`
Dec 05 11:34:00.295 INFO [stderr]    |
Dec 05 11:34:00.295 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 11:34:00.295 INFO [stderr] 
Dec 05 11:34:00.299 INFO [stderr] warning: variable does not need to be mutable
Dec 05 11:34:00.299 INFO [stderr]   --> src/item.rs:93:13
Dec 05 11:34:00.299 INFO [stderr]    |
Dec 05 11:34:00.299 INFO [stderr] 93 |         let mut inner = unsafe { &mut *self.inner.get() };
Dec 05 11:34:00.299 INFO [stderr]    |             ----^^^^^
Dec 05 11:34:00.299 INFO [stderr]    |             |
Dec 05 11:34:00.299 INFO [stderr]    |             help: remove this `mut`
Dec 05 11:34:00.299 INFO [stderr] 
Dec 05 11:34:01.287 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.31s
Dec 05 11:34:01.290 INFO [stderr] su: No module specific data is present
Dec 05 11:34:02.119 INFO running `"docker" "inspect" "fb7b0a8a49aa7853752e7bf2daafa8bd0d7e4dbcbc6737432bd31f61b1f21762"`
Dec 05 11:34:02.399 INFO running `"docker" "rm" "-f" "fb7b0a8a49aa7853752e7bf2daafa8bd0d7e4dbcbc6737432bd31f61b1f21762"`
Dec 05 11:34:02.666 INFO [stdout] fb7b0a8a49aa7853752e7bf2daafa8bd0d7e4dbcbc6737432bd31f61b1f21762