Nov 28 23:15:11.382 INFO checking jconfig-0.1.0 against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 23:15:11.382 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-5/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 28 23:15:11.573 INFO [stdout] 5e6b12def4b0899958fa2f15c053a77b3851b641f68534fdb80a13ba1c25edcb
Nov 28 23:15:11.575 INFO running `"docker" "start" "-a" "5e6b12def4b0899958fa2f15c053a77b3851b641f68534fdb80a13ba1c25edcb"`
Nov 28 23:15:12.174 INFO [stderr] usermod: no changes
Nov 28 23:15:12.248 INFO [stderr]     Checking jconfig v0.1.0 (/source)
Nov 28 23:15:13.248 INFO [stderr] warning: variable does not need to be mutable
Nov 28 23:15:13.248 INFO [stderr]   --> src/item.rs:71:13
Nov 28 23:15:13.248 INFO [stderr]    |
Nov 28 23:15:13.249 INFO [stderr] 71 |         let mut inner = unsafe { &mut *self.inner.get() };
Nov 28 23:15:13.249 INFO [stderr]    |             ----^^^^^
Nov 28 23:15:13.249 INFO [stderr]    |             |
Nov 28 23:15:13.249 INFO [stderr]    |             help: remove this `mut`
Nov 28 23:15:13.250 INFO [stderr]    |
Nov 28 23:15:13.250 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 23:15:13.250 INFO [stderr] 
Nov 28 23:15:13.256 INFO [stderr] warning: variable does not need to be mutable
Nov 28 23:15:13.257 INFO [stderr]   --> src/item.rs:93:13
Nov 28 23:15:13.257 INFO [stderr]    |
Nov 28 23:15:13.257 INFO [stderr] 93 |         let mut inner = unsafe { &mut *self.inner.get() };
Nov 28 23:15:13.258 INFO [stderr]    |             ----^^^^^
Nov 28 23:15:13.258 INFO [stderr]    |             |
Nov 28 23:15:13.258 INFO [stderr]    |             help: remove this `mut`
Nov 28 23:15:13.258 INFO [stderr] 
Nov 28 23:15:13.279 INFO [stderr] warning: variable does not need to be mutable
Nov 28 23:15:13.279 INFO [stderr]   --> src/item.rs:71:13
Nov 28 23:15:13.279 INFO [stderr]    |
Nov 28 23:15:13.279 INFO [stderr] 71 |         let mut inner = unsafe { &mut *self.inner.get() };
Nov 28 23:15:13.279 INFO [stderr]    |             ----^^^^^
Nov 28 23:15:13.279 INFO [stderr]    |             |
Nov 28 23:15:13.279 INFO [stderr]    |             help: remove this `mut`
Nov 28 23:15:13.279 INFO [stderr]    |
Nov 28 23:15:13.279 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 23:15:13.279 INFO [stderr] 
Nov 28 23:15:13.279 INFO [stderr] warning: variable does not need to be mutable
Nov 28 23:15:13.279 INFO [stderr]   --> src/item.rs:93:13
Nov 28 23:15:13.279 INFO [stderr]    |
Nov 28 23:15:13.279 INFO [stderr] 93 |         let mut inner = unsafe { &mut *self.inner.get() };
Nov 28 23:15:13.279 INFO [stderr]    |             ----^^^^^
Nov 28 23:15:13.279 INFO [stderr]    |             |
Nov 28 23:15:13.279 INFO [stderr]    |             help: remove this `mut`
Nov 28 23:15:13.279 INFO [stderr] 
Nov 28 23:15:14.144 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.91s
Nov 28 23:15:14.144 INFO [stderr] su: No module specific data is present
Nov 28 23:15:14.646 INFO running `"docker" "inspect" "5e6b12def4b0899958fa2f15c053a77b3851b641f68534fdb80a13ba1c25edcb"`
Nov 28 23:15:14.775 INFO running `"docker" "rm" "-f" "5e6b12def4b0899958fa2f15c053a77b3851b641f68534fdb80a13ba1c25edcb"`
Nov 28 23:15:14.904 INFO [stdout] 5e6b12def4b0899958fa2f15c053a77b3851b641f68534fdb80a13ba1c25edcb