Oct 13 02:56:30.937 INFO checking RCasatta/integer-compression against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 02:56:30.939 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-6/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-6/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 13 02:56:31.392 INFO blam! a6ec4b48a6c1aa6402800f483293733ef574e2713873c1a06a5e0e095487d02a
Oct 13 02:56:31.394 INFO running `"docker" "start" "-a" "a6ec4b48a6c1aa6402800f483293733ef574e2713873c1a06a5e0e095487d02a"`
Oct 13 02:56:33.535 INFO kablam! usermod: no changes
Oct 13 02:56:33.708 INFO kablam!     Checking integer-compression v0.1.0 (/source)
Oct 13 02:56:35.864 INFO kablam! warning: unused import: `std::cmp::Ordering`
Oct 13 02:56:35.864 INFO kablam!  --> src/main.rs:8:5
Oct 13 02:56:35.864 INFO kablam!   |
Oct 13 02:56:35.864 INFO kablam! 8 | use std::cmp::Ordering;
Oct 13 02:56:35.864 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Oct 13 02:56:35.864 INFO kablam!   |
Oct 13 02:56:35.864 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 02:56:35.864 INFO kablam! 
Oct 13 02:56:36.609 INFO kablam! warning: unused variable: `buffer`
Oct 13 02:56:36.609 INFO kablam!   --> examples/utxo.rs:14:13
Oct 13 02:56:36.609 INFO kablam!    |
Oct 13 02:56:36.610 INFO kablam! 14 |     let mut buffer = String::new();
Oct 13 02:56:36.610 INFO kablam!    |             ^^^^^^ help: consider using `_buffer` instead
Oct 13 02:56:36.610 INFO kablam!    |
Oct 13 02:56:36.611 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 13 02:56:36.611 INFO kablam! 
Oct 13 02:56:36.616 INFO kablam! warning: function `init_U40_random_vec` should have a snake case name such as `init_u40_random_vec`
Oct 13 02:56:36.617 INFO kablam!    --> src/main.rs:171:1
Oct 13 02:56:36.617 INFO kablam!     |
Oct 13 02:56:36.617 INFO kablam! 171 | / fn init_U40_random_vec(n : usize) -> Vec<U40>{
Oct 13 02:56:36.617 INFO kablam! 172 | |     let mut rng = rand::thread_rng();
Oct 13 02:56:36.618 INFO kablam! 173 | |     let mut vec = Vec::new();
Oct 13 02:56:36.618 INFO kablam! 174 | |     for _i in 0..n {
Oct 13 02:56:36.618 INFO kablam! ...   |
Oct 13 02:56:36.618 INFO kablam! 177 | |     vec
Oct 13 02:56:36.619 INFO kablam! 178 | | }
Oct 13 02:56:36.619 INFO kablam!     | |_^
Oct 13 02:56:36.623 INFO kablam!     |
Oct 13 02:56:36.624 INFO kablam!     = note: #[warn(non_snake_case)] on by default
Oct 13 02:56:36.624 INFO kablam! 
Oct 13 02:56:36.624 INFO kablam! warning: function `test_U40` should have a snake case name such as `test_u40`
Oct 13 02:56:36.624 INFO kablam!    --> src/main.rs:189:5
Oct 13 02:56:36.625 INFO kablam!     |
Oct 13 02:56:36.625 INFO kablam! 189 | /     fn test_U40() {
Oct 13 02:56:36.625 INFO kablam! 190 | |
Oct 13 02:56:36.625 INFO kablam! 191 | |         assert_eq!(5, mem::size_of::<U40>());
Oct 13 02:56:36.626 INFO kablam! 192 | |
Oct 13 02:56:36.626 INFO kablam! ...   |
Oct 13 02:56:36.626 INFO kablam! 219 | |         assert_eq!(set.len(),100);
Oct 13 02:56:36.626 INFO kablam! 220 | |     }
Oct 13 02:56:36.626 INFO kablam!     | |_____^
Oct 13 02:56:36.627 INFO kablam! 
Oct 13 02:56:36.653 INFO kablam! warning: variable does not need to be mutable
Oct 13 02:56:36.653 INFO kablam!   --> examples/utxo.rs:14:9
Oct 13 02:56:36.653 INFO kablam!    |
Oct 13 02:56:36.653 INFO kablam! 14 |     let mut buffer = String::new();
Oct 13 02:56:36.654 INFO kablam!    |         ----^^^^^^
Oct 13 02:56:36.654 INFO kablam!    |         |
Oct 13 02:56:36.654 INFO kablam!    |         help: remove this `mut`
Oct 13 02:56:36.654 INFO kablam!    |
Oct 13 02:56:36.655 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 13 02:56:36.655 INFO kablam! 
Oct 13 02:56:36.888 INFO kablam! warning: unused import: `std::cmp::Ordering`
Oct 13 02:56:36.889 INFO kablam!  --> src/main.rs:8:5
Oct 13 02:56:36.889 INFO kablam!   |
Oct 13 02:56:36.889 INFO kablam! 8 | use std::cmp::Ordering;
Oct 13 02:56:36.890 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Oct 13 02:56:36.890 INFO kablam!   |
Oct 13 02:56:36.890 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 02:56:36.890 INFO kablam! 
Oct 13 02:56:37.040 INFO kablam! warning: function `init_U40_random_vec` should have a snake case name such as `init_u40_random_vec`
Oct 13 02:56:37.040 INFO kablam!    --> src/main.rs:171:1
Oct 13 02:56:37.040 INFO kablam!     |
Oct 13 02:56:37.040 INFO kablam! 171 | / fn init_U40_random_vec(n : usize) -> Vec<U40>{
Oct 13 02:56:37.040 INFO kablam! 172 | |     let mut rng = rand::thread_rng();
Oct 13 02:56:37.040 INFO kablam! 173 | |     let mut vec = Vec::new();
Oct 13 02:56:37.040 INFO kablam! 174 | |     for _i in 0..n {
Oct 13 02:56:37.040 INFO kablam! ...   |
Oct 13 02:56:37.040 INFO kablam! 177 | |     vec
Oct 13 02:56:37.040 INFO kablam! 178 | | }
Oct 13 02:56:37.040 INFO kablam!     | |_^
Oct 13 02:56:37.040 INFO kablam!     |
Oct 13 02:56:37.040 INFO kablam!     = note: #[warn(non_snake_case)] on by default
Oct 13 02:56:37.040 INFO kablam! 
Oct 13 02:56:37.081 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.50s
Oct 13 02:56:37.081 INFO kablam! su: No module specific data is present
Oct 13 02:56:38.090 INFO running `"docker" "rm" "-f" "a6ec4b48a6c1aa6402800f483293733ef574e2713873c1a06a5e0e095487d02a"`
Oct 13 02:56:38.384 INFO blam! a6ec4b48a6c1aa6402800f483293733ef574e2713873c1a06a5e0e095487d02a