Nov 28 21:50:50.451 INFO checking msgp-abi-0.1.1 against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 21:50:50.453 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-6/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 21:50:50.996 INFO [stdout] 473022b3b0a8bae2bd1e4b03b3bd1f3809f8df19ce1c76214d85b34b5aefa04c
Nov 28 21:50:50.998 INFO running `"docker" "start" "-a" "473022b3b0a8bae2bd1e4b03b3bd1f3809f8df19ce1c76214d85b34b5aefa04c"`
Nov 28 21:50:52.720 INFO [stderr] usermod: no changes
Nov 28 21:50:52.800 INFO [stderr]     Checking msgp v0.1.1
Nov 28 21:50:53.572 INFO [stderr]     Checking msgp-abi v0.1.1 (/source)
Nov 28 21:50:54.549 INFO [stderr] warning: variable does not need to be mutable
Nov 28 21:50:54.549 INFO [stderr]   --> src/lib.rs:68:9
Nov 28 21:50:54.549 INFO [stderr]    |
Nov 28 21:50:54.550 INFO [stderr] 68 |     let mut decoder = unsafe { &mut *ptr };
Nov 28 21:50:54.550 INFO [stderr]    |         ----^^^^^^^
Nov 28 21:50:54.550 INFO [stderr]    |         |
Nov 28 21:50:54.550 INFO [stderr]    |         help: remove this `mut`
Nov 28 21:50:54.551 INFO [stderr]    |
Nov 28 21:50:54.551 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 21:50:54.551 INFO [stderr] 
Nov 28 21:50:54.557 INFO [stderr] warning: variable does not need to be mutable
Nov 28 21:50:54.557 INFO [stderr]   --> src/lib.rs:81:9
Nov 28 21:50:54.557 INFO [stderr]    |
Nov 28 21:50:54.557 INFO [stderr] 81 |     let mut decoder = unsafe { &mut *ptr };
Nov 28 21:50:54.558 INFO [stderr]    |         ----^^^^^^^
Nov 28 21:50:54.558 INFO [stderr]    |         |
Nov 28 21:50:54.558 INFO [stderr]    |         help: remove this `mut`
Nov 28 21:50:54.559 INFO [stderr] 
Nov 28 21:50:54.569 INFO [stderr] warning: variable does not need to be mutable
Nov 28 21:50:54.569 INFO [stderr]   --> src/lib.rs:68:9
Nov 28 21:50:54.569 INFO [stderr]    |
Nov 28 21:50:54.569 INFO [stderr] 68 |     let mut decoder = unsafe { &mut *ptr };
Nov 28 21:50:54.570 INFO [stderr]    |         ----^^^^^^^
Nov 28 21:50:54.570 INFO [stderr]    |         |
Nov 28 21:50:54.570 INFO [stderr]    |         help: remove this `mut`
Nov 28 21:50:54.570 INFO [stderr]    |
Nov 28 21:50:54.571 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 21:50:54.571 INFO [stderr] 
Nov 28 21:50:54.571 INFO [stderr] warning: variable does not need to be mutable
Nov 28 21:50:54.571 INFO [stderr]   --> src/lib.rs:81:9
Nov 28 21:50:54.572 INFO [stderr]    |
Nov 28 21:50:54.572 INFO [stderr] 81 |     let mut decoder = unsafe { &mut *ptr };
Nov 28 21:50:54.572 INFO [stderr]    |         ----^^^^^^^
Nov 28 21:50:54.572 INFO [stderr]    |         |
Nov 28 21:50:54.573 INFO [stderr]    |         help: remove this `mut`
Nov 28 21:50:54.573 INFO [stderr] 
Nov 28 21:50:54.631 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.88s
Nov 28 21:50:54.634 INFO [stderr] su: No module specific data is present
Nov 28 21:50:55.520 INFO running `"docker" "inspect" "473022b3b0a8bae2bd1e4b03b3bd1f3809f8df19ce1c76214d85b34b5aefa04c"`
Nov 28 21:50:55.705 INFO running `"docker" "rm" "-f" "473022b3b0a8bae2bd1e4b03b3bd1f3809f8df19ce1c76214d85b34b5aefa04c"`
Nov 28 21:50:55.932 INFO [stdout] 473022b3b0a8bae2bd1e4b03b3bd1f3809f8df19ce1c76214d85b34b5aefa04c