Nov 30 08:59:13.960 INFO checking RCasatta/integer-compression against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 08:59:13.960 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 08:59:14.480 INFO [stdout] 037b8c0da93c39b97701c7ebfb449ded0fd278c4a1d1997ecdc0c19f8229bd65
Nov 30 08:59:14.484 INFO running `"docker" "start" "-a" "037b8c0da93c39b97701c7ebfb449ded0fd278c4a1d1997ecdc0c19f8229bd65"`
Nov 30 08:59:16.479 INFO [stderr] usermod: no changes
Nov 30 08:59:16.585 INFO [stderr]     Checking integer-compression v0.1.0 (/source)
Nov 30 08:59:18.836 INFO [stderr] warning: unused variable: `buffer`
Nov 30 08:59:18.836 INFO [stderr]   --> examples/utxo.rs:14:13
Nov 30 08:59:18.836 INFO [stderr]    |
Nov 30 08:59:18.836 INFO [stderr] 14 |     let mut buffer = String::new();
Nov 30 08:59:18.836 INFO [stderr]    |             ^^^^^^ help: consider using `_buffer` instead
Nov 30 08:59:18.836 INFO [stderr]    |
Nov 30 08:59:18.836 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 08:59:18.836 INFO [stderr] 
Nov 30 08:59:18.868 INFO [stderr] warning: variable does not need to be mutable
Nov 30 08:59:18.868 INFO [stderr]   --> examples/utxo.rs:14:9
Nov 30 08:59:18.868 INFO [stderr]    |
Nov 30 08:59:18.868 INFO [stderr] 14 |     let mut buffer = String::new();
Nov 30 08:59:18.868 INFO [stderr]    |         ----^^^^^^
Nov 30 08:59:18.868 INFO [stderr]    |         |
Nov 30 08:59:18.868 INFO [stderr]    |         help: remove this `mut`
Nov 30 08:59:18.869 INFO [stderr]    |
Nov 30 08:59:18.869 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 08:59:18.869 INFO [stderr] 
Nov 30 08:59:19.440 INFO [stderr] warning: unused import: `std::cmp::Ordering`
Nov 30 08:59:19.440 INFO [stderr]  --> src/main.rs:8:5
Nov 30 08:59:19.440 INFO [stderr]   |
Nov 30 08:59:19.440 INFO [stderr] 8 | use std::cmp::Ordering;
Nov 30 08:59:19.440 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Nov 30 08:59:19.440 INFO [stderr]   |
Nov 30 08:59:19.440 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 08:59:19.440 INFO [stderr] 
Nov 30 08:59:19.572 INFO [stderr] warning: unused import: `std::cmp::Ordering`
Nov 30 08:59:19.572 INFO [stderr]  --> src/main.rs:8:5
Nov 30 08:59:19.572 INFO [stderr]   |
Nov 30 08:59:19.572 INFO [stderr] 8 | use std::cmp::Ordering;
Nov 30 08:59:19.572 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Nov 30 08:59:19.572 INFO [stderr]   |
Nov 30 08:59:19.572 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 08:59:19.572 INFO [stderr] 
Nov 30 08:59:19.784 INFO [stderr] warning: function `init_U40_random_vec` should have a snake case name such as `init_u40_random_vec`
Nov 30 08:59:19.784 INFO [stderr]    --> src/main.rs:171:1
Nov 30 08:59:19.784 INFO [stderr]     |
Nov 30 08:59:19.784 INFO [stderr] 171 | / fn init_U40_random_vec(n : usize) -> Vec<U40>{
Nov 30 08:59:19.784 INFO [stderr] 172 | |     let mut rng = rand::thread_rng();
Nov 30 08:59:19.784 INFO [stderr] 173 | |     let mut vec = Vec::new();
Nov 30 08:59:19.784 INFO [stderr] 174 | |     for _i in 0..n {
Nov 30 08:59:19.784 INFO [stderr] ...   |
Nov 30 08:59:19.784 INFO [stderr] 177 | |     vec
Nov 30 08:59:19.784 INFO [stderr] 178 | | }
Nov 30 08:59:19.784 INFO [stderr]     | |_^
Nov 30 08:59:19.784 INFO [stderr]     |
Nov 30 08:59:19.784 INFO [stderr]     = note: #[warn(non_snake_case)] on by default
Nov 30 08:59:19.784 INFO [stderr] 
Nov 30 08:59:19.894 INFO [stderr] warning: function `init_U40_random_vec` should have a snake case name such as `init_u40_random_vec`
Nov 30 08:59:19.894 INFO [stderr]    --> src/main.rs:171:1
Nov 30 08:59:19.894 INFO [stderr]     |
Nov 30 08:59:19.894 INFO [stderr] 171 | / fn init_U40_random_vec(n : usize) -> Vec<U40>{
Nov 30 08:59:19.894 INFO [stderr] 172 | |     let mut rng = rand::thread_rng();
Nov 30 08:59:19.894 INFO [stderr] 173 | |     let mut vec = Vec::new();
Nov 30 08:59:19.894 INFO [stderr] 174 | |     for _i in 0..n {
Nov 30 08:59:19.894 INFO [stderr] ...   |
Nov 30 08:59:19.894 INFO [stderr] 177 | |     vec
Nov 30 08:59:19.894 INFO [stderr] 178 | | }
Nov 30 08:59:19.894 INFO [stderr]     | |_^
Nov 30 08:59:19.894 INFO [stderr]     |
Nov 30 08:59:19.894 INFO [stderr]     = note: #[warn(non_snake_case)] on by default
Nov 30 08:59:19.894 INFO [stderr] 
Nov 30 08:59:19.895 INFO [stderr] warning: function `test_U40` should have a snake case name such as `test_u40`
Nov 30 08:59:19.895 INFO [stderr]    --> src/main.rs:189:5
Nov 30 08:59:19.895 INFO [stderr]     |
Nov 30 08:59:19.895 INFO [stderr] 189 | /     fn test_U40() {
Nov 30 08:59:19.895 INFO [stderr] 190 | |
Nov 30 08:59:19.895 INFO [stderr] 191 | |         assert_eq!(5, mem::size_of::<U40>());
Nov 30 08:59:19.895 INFO [stderr] 192 | |
Nov 30 08:59:19.895 INFO [stderr] ...   |
Nov 30 08:59:19.895 INFO [stderr] 219 | |         assert_eq!(set.len(),100);
Nov 30 08:59:19.895 INFO [stderr] 220 | |     }
Nov 30 08:59:19.895 INFO [stderr]     | |_____^
Nov 30 08:59:19.895 INFO [stderr] 
Nov 30 08:59:19.945 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.44s
Nov 30 08:59:19.956 INFO [stderr] su: No module specific data is present
Nov 30 08:59:21.274 INFO running `"docker" "inspect" "037b8c0da93c39b97701c7ebfb449ded0fd278c4a1d1997ecdc0c19f8229bd65"`
Nov 30 08:59:21.588 INFO running `"docker" "rm" "-f" "037b8c0da93c39b97701c7ebfb449ded0fd278c4a1d1997ecdc0c19f8229bd65"`
Nov 30 08:59:21.889 INFO [stdout] 037b8c0da93c39b97701c7ebfb449ded0fd278c4a1d1997ecdc0c19f8229bd65