Dec 11 10:16:20.721 INFO checking saarw/cstruct2rs against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 10:16:20.722 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 11 10:16:21.119 INFO [stdout] b950cb47da9236b4f054fe18385dc8bf85ce6130016e1213fbac766bd715bf6a
Dec 11 10:16:21.122 INFO running `"docker" "start" "-a" "b950cb47da9236b4f054fe18385dc8bf85ce6130016e1213fbac766bd715bf6a"`
Dec 11 10:16:22.396 INFO [stderr] usermod: no changes
Dec 11 10:16:22.458 INFO [stderr]     Checking cstruct2rs v0.0.1 (/source)
Dec 11 10:16:23.120 INFO [stderr] warning: variable does not need to be mutable
Dec 11 10:16:23.120 INFO [stderr]   --> src/cinfo.rs:90:6
Dec 11 10:16:23.120 INFO [stderr]    |
Dec 11 10:16:23.120 INFO [stderr] 90 |     let mut name_buf: Cow<String>;
Dec 11 10:16:23.120 INFO [stderr]    |         ----^^^^^^^^
Dec 11 10:16:23.120 INFO [stderr]    |         |
Dec 11 10:16:23.120 INFO [stderr]    |         help: remove this `mut`
Dec 11 10:16:23.120 INFO [stderr]    |
Dec 11 10:16:23.120 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 10:16:23.120 INFO [stderr] 
Dec 11 10:16:23.120 INFO [stderr] warning: variable does not need to be mutable
Dec 11 10:16:23.120 INFO [stderr]   --> src/cinfo.rs:91:6
Dec 11 10:16:23.120 INFO [stderr]    |
Dec 11 10:16:23.120 INFO [stderr] 91 |     let mut var_name: Cow<str>;    
Dec 11 10:16:23.120 INFO [stderr]    |         ----^^^^^^^^
Dec 11 10:16:23.120 INFO [stderr]    |         |
Dec 11 10:16:23.120 INFO [stderr]    |         help: remove this `mut`
Dec 11 10:16:23.120 INFO [stderr] 
Dec 11 10:16:23.353 INFO [stderr] warning: variable does not need to be mutable
Dec 11 10:16:23.353 INFO [stderr]   --> src/cinfo.rs:90:6
Dec 11 10:16:23.353 INFO [stderr]    |
Dec 11 10:16:23.353 INFO [stderr] 90 |     let mut name_buf: Cow<String>;
Dec 11 10:16:23.353 INFO [stderr]    |         ----^^^^^^^^
Dec 11 10:16:23.353 INFO [stderr]    |         |
Dec 11 10:16:23.353 INFO [stderr]    |         help: remove this `mut`
Dec 11 10:16:23.353 INFO [stderr]    |
Dec 11 10:16:23.353 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 10:16:23.353 INFO [stderr] 
Dec 11 10:16:23.353 INFO [stderr] warning: variable does not need to be mutable
Dec 11 10:16:23.353 INFO [stderr]   --> src/cinfo.rs:91:6
Dec 11 10:16:23.353 INFO [stderr]    |
Dec 11 10:16:23.353 INFO [stderr] 91 |     let mut var_name: Cow<str>;    
Dec 11 10:16:23.353 INFO [stderr]    |         ----^^^^^^^^
Dec 11 10:16:23.353 INFO [stderr]    |         |
Dec 11 10:16:23.353 INFO [stderr]    |         help: remove this `mut`
Dec 11 10:16:23.353 INFO [stderr] 
Dec 11 10:16:23.429 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
Dec 11 10:16:23.431 INFO [stderr] su: No module specific data is present
Dec 11 10:16:24.560 INFO running `"docker" "inspect" "b950cb47da9236b4f054fe18385dc8bf85ce6130016e1213fbac766bd715bf6a"`
Dec 11 10:16:24.842 INFO running `"docker" "rm" "-f" "b950cb47da9236b4f054fe18385dc8bf85ce6130016e1213fbac766bd715bf6a"`
Dec 11 10:16:25.176 INFO [stdout] b950cb47da9236b4f054fe18385dc8bf85ce6130016e1213fbac766bd715bf6a