Nov 29 18:59:52.994 INFO checking saarw/cstruct2rs against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 29 18:59:52.994 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-1/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 29 18:59:53.504 INFO [stdout] b094a6777eedc38b83c760ac2b01357a4f2c70ec2e1253f021d2d6b01ffd9f03
Nov 29 18:59:53.512 INFO running `"docker" "start" "-a" "b094a6777eedc38b83c760ac2b01357a4f2c70ec2e1253f021d2d6b01ffd9f03"`
Nov 29 18:59:54.736 INFO [stderr] usermod: no changes
Nov 29 18:59:54.808 INFO [stderr]     Checking cstruct2rs v0.0.1 (/source)
Nov 29 18:59:55.516 INFO [stderr] warning: variable does not need to be mutable
Nov 29 18:59:55.516 INFO [stderr]   --> src/cinfo.rs:90:6
Nov 29 18:59:55.516 INFO [stderr]    |
Nov 29 18:59:55.516 INFO [stderr] 90 |     let mut name_buf: Cow<String>;
Nov 29 18:59:55.516 INFO [stderr]    |         ----^^^^^^^^
Nov 29 18:59:55.516 INFO [stderr]    |         |
Nov 29 18:59:55.516 INFO [stderr]    |         help: remove this `mut`
Nov 29 18:59:55.516 INFO [stderr]    |
Nov 29 18:59:55.516 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 29 18:59:55.516 INFO [stderr] 
Nov 29 18:59:55.516 INFO [stderr] warning: variable does not need to be mutable
Nov 29 18:59:55.516 INFO [stderr]   --> src/cinfo.rs:91:6
Nov 29 18:59:55.516 INFO [stderr]    |
Nov 29 18:59:55.516 INFO [stderr] 91 |     let mut var_name: Cow<str>;    
Nov 29 18:59:55.516 INFO [stderr]    |         ----^^^^^^^^
Nov 29 18:59:55.516 INFO [stderr]    |         |
Nov 29 18:59:55.516 INFO [stderr]    |         help: remove this `mut`
Nov 29 18:59:55.516 INFO [stderr] 
Nov 29 18:59:55.749 INFO [stderr] warning: variable does not need to be mutable
Nov 29 18:59:55.749 INFO [stderr]   --> src/cinfo.rs:90:6
Nov 29 18:59:55.749 INFO [stderr]    |
Nov 29 18:59:55.749 INFO [stderr] 90 |     let mut name_buf: Cow<String>;
Nov 29 18:59:55.749 INFO [stderr]    |         ----^^^^^^^^
Nov 29 18:59:55.749 INFO [stderr]    |         |
Nov 29 18:59:55.749 INFO [stderr]    |         help: remove this `mut`
Nov 29 18:59:55.749 INFO [stderr]    |
Nov 29 18:59:55.749 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 29 18:59:55.749 INFO [stderr] 
Nov 29 18:59:55.749 INFO [stderr] warning: variable does not need to be mutable
Nov 29 18:59:55.749 INFO [stderr]   --> src/cinfo.rs:91:6
Nov 29 18:59:55.749 INFO [stderr]    |
Nov 29 18:59:55.749 INFO [stderr] 91 |     let mut var_name: Cow<str>;    
Nov 29 18:59:55.749 INFO [stderr]    |         ----^^^^^^^^
Nov 29 18:59:55.749 INFO [stderr]    |         |
Nov 29 18:59:55.749 INFO [stderr]    |         help: remove this `mut`
Nov 29 18:59:55.749 INFO [stderr] 
Nov 29 18:59:55.836 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
Nov 29 18:59:55.844 INFO [stderr] su: No module specific data is present
Nov 29 18:59:57.040 INFO running `"docker" "inspect" "b094a6777eedc38b83c760ac2b01357a4f2c70ec2e1253f021d2d6b01ffd9f03"`
Nov 29 18:59:57.332 INFO running `"docker" "rm" "-f" "b094a6777eedc38b83c760ac2b01357a4f2c70ec2e1253f021d2d6b01ffd9f03"`
Nov 29 18:59:57.684 INFO [stdout] b094a6777eedc38b83c760ac2b01357a4f2c70ec2e1253f021d2d6b01ffd9f03