Nov 30 19:16:24.801 INFO checking msgp-abi-0.1.1 against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 19:16:24.801 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-4/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 30 19:16:25.232 INFO [stdout] 69c99ca337e2d0f0888fb4e1d920d820f6d2c363db19a5d9c794874973973a16
Nov 30 19:16:25.234 INFO running `"docker" "start" "-a" "69c99ca337e2d0f0888fb4e1d920d820f6d2c363db19a5d9c794874973973a16"`
Nov 30 19:16:27.132 INFO [stderr] usermod: no changes
Nov 30 19:16:27.184 INFO [stderr]     Checking msgp v0.1.1
Nov 30 19:16:27.868 INFO [stderr]     Checking msgp-abi v0.1.1 (/source)
Nov 30 19:16:28.548 INFO [stderr] warning: variable does not need to be mutable
Nov 30 19:16:28.548 INFO [stderr]   --> src/lib.rs:68:9
Nov 30 19:16:28.548 INFO [stderr]    |
Nov 30 19:16:28.548 INFO [stderr] 68 |     let mut decoder = unsafe { &mut *ptr };
Nov 30 19:16:28.548 INFO [stderr]    |         ----^^^^^^^
Nov 30 19:16:28.548 INFO [stderr]    |         |
Nov 30 19:16:28.548 INFO [stderr]    |         help: remove this `mut`
Nov 30 19:16:28.548 INFO [stderr]    |
Nov 30 19:16:28.548 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 19:16:28.548 INFO [stderr] 
Nov 30 19:16:28.548 INFO [stderr] warning: variable does not need to be mutable
Nov 30 19:16:28.548 INFO [stderr]   --> src/lib.rs:81:9
Nov 30 19:16:28.548 INFO [stderr]    |
Nov 30 19:16:28.548 INFO [stderr] 81 |     let mut decoder = unsafe { &mut *ptr };
Nov 30 19:16:28.548 INFO [stderr]    |         ----^^^^^^^
Nov 30 19:16:28.548 INFO [stderr]    |         |
Nov 30 19:16:28.548 INFO [stderr]    |         help: remove this `mut`
Nov 30 19:16:28.548 INFO [stderr] 
Nov 30 19:16:28.980 INFO [stderr] warning: variable does not need to be mutable
Nov 30 19:16:28.980 INFO [stderr]   --> src/lib.rs:68:9
Nov 30 19:16:28.980 INFO [stderr]    |
Nov 30 19:16:28.980 INFO [stderr] 68 |     let mut decoder = unsafe { &mut *ptr };
Nov 30 19:16:28.980 INFO [stderr]    |         ----^^^^^^^
Nov 30 19:16:28.980 INFO [stderr]    |         |
Nov 30 19:16:28.980 INFO [stderr]    |         help: remove this `mut`
Nov 30 19:16:28.980 INFO [stderr]    |
Nov 30 19:16:28.980 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 19:16:28.980 INFO [stderr] 
Nov 30 19:16:28.980 INFO [stderr] warning: variable does not need to be mutable
Nov 30 19:16:28.980 INFO [stderr]   --> src/lib.rs:81:9
Nov 30 19:16:28.980 INFO [stderr]    |
Nov 30 19:16:28.980 INFO [stderr] 81 |     let mut decoder = unsafe { &mut *ptr };
Nov 30 19:16:28.980 INFO [stderr]    |         ----^^^^^^^
Nov 30 19:16:28.980 INFO [stderr]    |         |
Nov 30 19:16:28.980 INFO [stderr]    |         help: remove this `mut`
Nov 30 19:16:28.980 INFO [stderr] 
Nov 30 19:16:29.000 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.86s
Nov 30 19:16:29.003 INFO [stderr] su: No module specific data is present
Nov 30 19:16:29.634 INFO running `"docker" "inspect" "69c99ca337e2d0f0888fb4e1d920d820f6d2c363db19a5d9c794874973973a16"`
Nov 30 19:16:30.029 INFO running `"docker" "rm" "-f" "69c99ca337e2d0f0888fb4e1d920d820f6d2c363db19a5d9c794874973973a16"`
Nov 30 19:16:30.323 INFO [stdout] 69c99ca337e2d0f0888fb4e1d920d820f6d2c363db19a5d9c794874973973a16