Nov 30 08:59:13.665 INFO checking RCasatta/integer-compression against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 08:59:13.665 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-6/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 08:59:14.124 INFO [stdout] fa4971417d2ca4c1cd9a85b018766b02e23a12a1bf4d0a8f7a82a689515da3c8
Nov 30 08:59:14.126 INFO running `"docker" "start" "-a" "fa4971417d2ca4c1cd9a85b018766b02e23a12a1bf4d0a8f7a82a689515da3c8"`
Nov 30 08:59:15.616 INFO [stderr] usermod: no changes
Nov 30 08:59:15.764 INFO [stderr]     Checking integer-compression v0.1.0 (/source)
Nov 30 08:59:18.300 INFO [stderr] warning: unused variable: `buffer`
Nov 30 08:59:18.300 INFO [stderr]   --> examples/utxo.rs:14:13
Nov 30 08:59:18.300 INFO [stderr]    |
Nov 30 08:59:18.300 INFO [stderr] 14 |     let mut buffer = String::new();
Nov 30 08:59:18.301 INFO [stderr]    |             ^^^^^^ help: consider using `_buffer` instead
Nov 30 08:59:18.301 INFO [stderr]    |
Nov 30 08:59:18.301 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 08:59:18.301 INFO [stderr] 
Nov 30 08:59:18.301 INFO [stderr] warning: variable does not need to be mutable
Nov 30 08:59:18.302 INFO [stderr]   --> examples/utxo.rs:14:9
Nov 30 08:59:18.302 INFO [stderr]    |
Nov 30 08:59:18.302 INFO [stderr] 14 |     let mut buffer = String::new();
Nov 30 08:59:18.302 INFO [stderr]    |         ----^^^^^^
Nov 30 08:59:18.303 INFO [stderr]    |         |
Nov 30 08:59:18.303 INFO [stderr]    |         help: remove this `mut`
Nov 30 08:59:18.303 INFO [stderr]    |
Nov 30 08:59:18.303 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 08:59:18.304 INFO [stderr] 
Nov 30 08:59:18.724 INFO [stderr] warning: unused import: `std::cmp::Ordering`
Nov 30 08:59:18.725 INFO [stderr]  --> src/main.rs:8:5
Nov 30 08:59:18.725 INFO [stderr]   |
Nov 30 08:59:18.725 INFO [stderr] 8 | use std::cmp::Ordering;
Nov 30 08:59:18.726 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Nov 30 08:59:18.726 INFO [stderr]   |
Nov 30 08:59:18.726 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 08:59:18.727 INFO [stderr] 
Nov 30 08:59:18.804 INFO [stderr] warning: unused import: `std::cmp::Ordering`
Nov 30 08:59:18.804 INFO [stderr]  --> src/main.rs:8:5
Nov 30 08:59:18.804 INFO [stderr]   |
Nov 30 08:59:18.804 INFO [stderr] 8 | use std::cmp::Ordering;
Nov 30 08:59:18.804 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Nov 30 08:59:18.804 INFO [stderr]   |
Nov 30 08:59:18.805 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 08:59:18.805 INFO [stderr] 
Nov 30 08:59:19.045 INFO [stderr] warning: function `init_U40_random_vec` should have a snake case name such as `init_u40_random_vec`
Nov 30 08:59:19.046 INFO [stderr]    --> src/main.rs:171:1
Nov 30 08:59:19.046 INFO [stderr]     |
Nov 30 08:59:19.046 INFO [stderr] 171 | / fn init_U40_random_vec(n : usize) -> Vec<U40>{
Nov 30 08:59:19.046 INFO [stderr] 172 | |     let mut rng = rand::thread_rng();
Nov 30 08:59:19.047 INFO [stderr] 173 | |     let mut vec = Vec::new();
Nov 30 08:59:19.047 INFO [stderr] 174 | |     for _i in 0..n {
Nov 30 08:59:19.047 INFO [stderr] ...   |
Nov 30 08:59:19.047 INFO [stderr] 177 | |     vec
Nov 30 08:59:19.048 INFO [stderr] 178 | | }
Nov 30 08:59:19.048 INFO [stderr]     | |_^
Nov 30 08:59:19.048 INFO [stderr]     |
Nov 30 08:59:19.048 INFO [stderr]     = note: #[warn(non_snake_case)] on by default
Nov 30 08:59:19.048 INFO [stderr] 
Nov 30 08:59:19.222 INFO [stderr] warning: function `init_U40_random_vec` should have a snake case name such as `init_u40_random_vec`
Nov 30 08:59:19.222 INFO [stderr]    --> src/main.rs:171:1
Nov 30 08:59:19.228 INFO [stderr]     |
Nov 30 08:59:19.229 INFO [stderr] 171 | / fn init_U40_random_vec(n : usize) -> Vec<U40>{
Nov 30 08:59:19.229 INFO [stderr] 172 | |     let mut rng = rand::thread_rng();
Nov 30 08:59:19.229 INFO [stderr] 173 | |     let mut vec = Vec::new();
Nov 30 08:59:19.229 INFO [stderr] 174 | |     for _i in 0..n {
Nov 30 08:59:19.230 INFO [stderr] ...   |
Nov 30 08:59:19.230 INFO [stderr] 177 | |     vec
Nov 30 08:59:19.230 INFO [stderr] 178 | | }
Nov 30 08:59:19.231 INFO [stderr]     | |_^
Nov 30 08:59:19.231 INFO [stderr]     |
Nov 30 08:59:19.231 INFO [stderr]     = note: #[warn(non_snake_case)] on by default
Nov 30 08:59:19.232 INFO [stderr] 
Nov 30 08:59:19.233 INFO [stderr] warning: function `test_U40` should have a snake case name such as `test_u40`
Nov 30 08:59:19.233 INFO [stderr]    --> src/main.rs:189:5
Nov 30 08:59:19.233 INFO [stderr]     |
Nov 30 08:59:19.234 INFO [stderr] 189 | /     fn test_U40() {
Nov 30 08:59:19.234 INFO [stderr] 190 | |
Nov 30 08:59:19.234 INFO [stderr] 191 | |         assert_eq!(5, mem::size_of::<U40>());
Nov 30 08:59:19.234 INFO [stderr] 192 | |
Nov 30 08:59:19.234 INFO [stderr] ...   |
Nov 30 08:59:19.235 INFO [stderr] 219 | |         assert_eq!(set.len(),100);
Nov 30 08:59:19.235 INFO [stderr] 220 | |     }
Nov 30 08:59:19.235 INFO [stderr]     | |_____^
Nov 30 08:59:19.235 INFO [stderr] 
Nov 30 08:59:19.285 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.62s
Nov 30 08:59:19.289 INFO [stderr] su: No module specific data is present
Nov 30 08:59:21.027 INFO running `"docker" "inspect" "fa4971417d2ca4c1cd9a85b018766b02e23a12a1bf4d0a8f7a82a689515da3c8"`
Nov 30 08:59:21.294 INFO running `"docker" "rm" "-f" "fa4971417d2ca4c1cd9a85b018766b02e23a12a1bf4d0a8f7a82a689515da3c8"`
Nov 30 08:59:21.564 INFO [stdout] fa4971417d2ca4c1cd9a85b018766b02e23a12a1bf4d0a8f7a82a689515da3c8