Dec 05 00:28:37.656 INFO checking RCasatta/integer-compression against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 00:28:37.656 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-3/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 05 00:28:38.051 INFO [stdout] 54233668bdacdf33c646ac8f75ddda4f4355541dec7e0ae4773ee9080c01e704
Dec 05 00:28:38.059 INFO running `"docker" "start" "-a" "54233668bdacdf33c646ac8f75ddda4f4355541dec7e0ae4773ee9080c01e704"`
Dec 05 00:28:39.085 INFO [stderr] usermod: no changes
Dec 05 00:28:39.231 INFO [stderr]     Checking integer-compression v0.1.0 (/source)
Dec 05 00:28:40.555 INFO [stderr] warning: unused variable: `buffer`
Dec 05 00:28:40.555 INFO [stderr]   --> examples/utxo.rs:14:13
Dec 05 00:28:40.555 INFO [stderr]    |
Dec 05 00:28:40.555 INFO [stderr] 14 |     let mut buffer = String::new();
Dec 05 00:28:40.555 INFO [stderr]    |             ^^^^^^ help: consider using `_buffer` instead
Dec 05 00:28:40.555 INFO [stderr]    |
Dec 05 00:28:40.567 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 00:28:40.567 INFO [stderr] 
Dec 05 00:28:40.587 INFO [stderr] warning: variable does not need to be mutable
Dec 05 00:28:40.587 INFO [stderr]   --> examples/utxo.rs:14:9
Dec 05 00:28:40.587 INFO [stderr]    |
Dec 05 00:28:40.587 INFO [stderr] 14 |     let mut buffer = String::new();
Dec 05 00:28:40.587 INFO [stderr]    |         ----^^^^^^
Dec 05 00:28:40.587 INFO [stderr]    |         |
Dec 05 00:28:40.587 INFO [stderr]    |         help: remove this `mut`
Dec 05 00:28:40.587 INFO [stderr]    |
Dec 05 00:28:40.587 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 00:28:40.587 INFO [stderr] 
Dec 05 00:28:41.815 INFO [stderr] warning: unused import: `std::cmp::Ordering`
Dec 05 00:28:41.815 INFO [stderr]  --> src/main.rs:8:5
Dec 05 00:28:41.815 INFO [stderr]   |
Dec 05 00:28:41.815 INFO [stderr] 8 | use std::cmp::Ordering;
Dec 05 00:28:41.815 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 05 00:28:41.815 INFO [stderr]   |
Dec 05 00:28:41.815 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 00:28:41.815 INFO [stderr] 
Dec 05 00:28:42.090 INFO [stderr] warning: function `init_U40_random_vec` should have a snake case name such as `init_u40_random_vec`
Dec 05 00:28:42.091 INFO [stderr]    --> src/main.rs:171:1
Dec 05 00:28:42.091 INFO [stderr]     |
Dec 05 00:28:42.091 INFO [stderr] 171 | / fn init_U40_random_vec(n : usize) -> Vec<U40>{
Dec 05 00:28:42.092 INFO [stderr] 172 | |     let mut rng = rand::thread_rng();
Dec 05 00:28:42.092 INFO [stderr] 173 | |     let mut vec = Vec::new();
Dec 05 00:28:42.092 INFO [stderr] 174 | |     for _i in 0..n {
Dec 05 00:28:42.093 INFO [stderr] ...   |
Dec 05 00:28:42.093 INFO [stderr] 177 | |     vec
Dec 05 00:28:42.093 INFO [stderr] 178 | | }
Dec 05 00:28:42.094 INFO [stderr]     | |_^
Dec 05 00:28:42.094 INFO [stderr]     |
Dec 05 00:28:42.094 INFO [stderr]     = note: #[warn(non_snake_case)] on by default
Dec 05 00:28:42.095 INFO [stderr] 
Dec 05 00:28:42.333 INFO [stderr] warning: unused import: `std::cmp::Ordering`
Dec 05 00:28:42.333 INFO [stderr]  --> src/main.rs:8:5
Dec 05 00:28:42.333 INFO [stderr]   |
Dec 05 00:28:42.333 INFO [stderr] 8 | use std::cmp::Ordering;
Dec 05 00:28:42.333 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 05 00:28:42.333 INFO [stderr]   |
Dec 05 00:28:42.333 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 00:28:42.333 INFO [stderr] 
Dec 05 00:28:42.511 INFO [stderr] warning: function `init_U40_random_vec` should have a snake case name such as `init_u40_random_vec`
Dec 05 00:28:42.511 INFO [stderr]    --> src/main.rs:171:1
Dec 05 00:28:42.511 INFO [stderr]     |
Dec 05 00:28:42.511 INFO [stderr] 171 | / fn init_U40_random_vec(n : usize) -> Vec<U40>{
Dec 05 00:28:42.511 INFO [stderr] 172 | |     let mut rng = rand::thread_rng();
Dec 05 00:28:42.511 INFO [stderr] 173 | |     let mut vec = Vec::new();
Dec 05 00:28:42.511 INFO [stderr] 174 | |     for _i in 0..n {
Dec 05 00:28:42.511 INFO [stderr] ...   |
Dec 05 00:28:42.511 INFO [stderr] 177 | |     vec
Dec 05 00:28:42.511 INFO [stderr] 178 | | }
Dec 05 00:28:42.511 INFO [stderr]     | |_^
Dec 05 00:28:42.511 INFO [stderr]     |
Dec 05 00:28:42.511 INFO [stderr]     = note: #[warn(non_snake_case)] on by default
Dec 05 00:28:42.512 INFO [stderr] 
Dec 05 00:28:42.512 INFO [stderr] warning: function `test_U40` should have a snake case name such as `test_u40`
Dec 05 00:28:42.512 INFO [stderr]    --> src/main.rs:189:5
Dec 05 00:28:42.512 INFO [stderr]     |
Dec 05 00:28:42.512 INFO [stderr] 189 | /     fn test_U40() {
Dec 05 00:28:42.512 INFO [stderr] 190 | |
Dec 05 00:28:42.512 INFO [stderr] 191 | |         assert_eq!(5, mem::size_of::<U40>());
Dec 05 00:28:42.512 INFO [stderr] 192 | |
Dec 05 00:28:42.512 INFO [stderr] ...   |
Dec 05 00:28:42.512 INFO [stderr] 219 | |         assert_eq!(set.len(),100);
Dec 05 00:28:42.512 INFO [stderr] 220 | |     }
Dec 05 00:28:42.512 INFO [stderr]     | |_____^
Dec 05 00:28:42.512 INFO [stderr] 
Dec 05 00:28:42.527 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.42s
Dec 05 00:28:42.533 INFO [stderr] su: No module specific data is present
Dec 05 00:28:43.837 INFO running `"docker" "inspect" "54233668bdacdf33c646ac8f75ddda4f4355541dec7e0ae4773ee9080c01e704"`
Dec 05 00:28:44.169 INFO running `"docker" "rm" "-f" "54233668bdacdf33c646ac8f75ddda4f4355541dec7e0ae4773ee9080c01e704"`
Dec 05 00:28:44.414 INFO [stdout] 54233668bdacdf33c646ac8f75ddda4f4355541dec7e0ae4773ee9080c01e704