Nov 30 19:16:28.880 INFO checking msgp-abi-0.1.1 against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 19:16:28.880 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-1/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 19:16:29.278 INFO [stdout] 300ee802930c137d31c090a9e5f0ee8494d7ffd93e39390da353c6860733bf96
Nov 30 19:16:29.280 INFO running `"docker" "start" "-a" "300ee802930c137d31c090a9e5f0ee8494d7ffd93e39390da353c6860733bf96"`
Nov 30 19:16:30.862 INFO [stderr] usermod: no changes
Nov 30 19:16:30.913 INFO [stderr]     Checking msgp v0.1.1
Nov 30 19:16:31.524 INFO [stderr]     Checking msgp-abi v0.1.1 (/source)
Nov 30 19:16:32.172 INFO [stderr] warning: variable does not need to be mutable
Nov 30 19:16:32.172 INFO [stderr]   --> src/lib.rs:68:9
Nov 30 19:16:32.172 INFO [stderr]    |
Nov 30 19:16:32.172 INFO [stderr] 68 |     let mut decoder = unsafe { &mut *ptr };
Nov 30 19:16:32.172 INFO [stderr]    |         ----^^^^^^^
Nov 30 19:16:32.172 INFO [stderr]    |         |
Nov 30 19:16:32.172 INFO [stderr]    |         help: remove this `mut`
Nov 30 19:16:32.172 INFO [stderr]    |
Nov 30 19:16:32.172 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 19:16:32.172 INFO [stderr] 
Nov 30 19:16:32.172 INFO [stderr] warning: variable does not need to be mutable
Nov 30 19:16:32.172 INFO [stderr]   --> src/lib.rs:81:9
Nov 30 19:16:32.172 INFO [stderr]    |
Nov 30 19:16:32.172 INFO [stderr] 81 |     let mut decoder = unsafe { &mut *ptr };
Nov 30 19:16:32.172 INFO [stderr]    |         ----^^^^^^^
Nov 30 19:16:32.172 INFO [stderr]    |         |
Nov 30 19:16:32.172 INFO [stderr]    |         help: remove this `mut`
Nov 30 19:16:32.172 INFO [stderr] 
Nov 30 19:16:32.224 INFO [stderr] warning: variable does not need to be mutable
Nov 30 19:16:32.224 INFO [stderr]   --> src/lib.rs:68:9
Nov 30 19:16:32.224 INFO [stderr]    |
Nov 30 19:16:32.224 INFO [stderr] 68 |     let mut decoder = unsafe { &mut *ptr };
Nov 30 19:16:32.224 INFO [stderr]    |         ----^^^^^^^
Nov 30 19:16:32.224 INFO [stderr]    |         |
Nov 30 19:16:32.224 INFO [stderr]    |         help: remove this `mut`
Nov 30 19:16:32.224 INFO [stderr]    |
Nov 30 19:16:32.224 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 19:16:32.224 INFO [stderr] 
Nov 30 19:16:32.224 INFO [stderr] warning: variable does not need to be mutable
Nov 30 19:16:32.224 INFO [stderr]   --> src/lib.rs:81:9
Nov 30 19:16:32.224 INFO [stderr]    |
Nov 30 19:16:32.224 INFO [stderr] 81 |     let mut decoder = unsafe { &mut *ptr };
Nov 30 19:16:32.224 INFO [stderr]    |         ----^^^^^^^
Nov 30 19:16:32.224 INFO [stderr]    |         |
Nov 30 19:16:32.224 INFO [stderr]    |         help: remove this `mut`
Nov 30 19:16:32.224 INFO [stderr] 
Nov 30 19:16:32.263 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
Nov 30 19:16:32.263 INFO [stderr] su: No module specific data is present
Nov 30 19:16:33.511 INFO running `"docker" "inspect" "300ee802930c137d31c090a9e5f0ee8494d7ffd93e39390da353c6860733bf96"`
Nov 30 19:16:33.800 INFO running `"docker" "rm" "-f" "300ee802930c137d31c090a9e5f0ee8494d7ffd93e39390da353c6860733bf96"`
Nov 30 19:16:34.056 INFO [stdout] 300ee802930c137d31c090a9e5f0ee8494d7ffd93e39390da353c6860733bf96