Jul 12 10:10:15.665 INFO checking ethash-0.3.1 against master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9 for pr-52234
Jul 12 10:10:15.665 INFO running: cargo +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets
Jul 12 10:10:15.665 INFO creating container for: cargo +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets
Jul 12 10:10:15.665 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-52234/master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-52234/worker-6/master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Jul 12 10:10:15.968 INFO blam! 474d398a11f2a268c8771d617781311da57492213d5201fdf6baccd53be9ffeb
Jul 12 10:10:15.971 INFO running `"docker" "start" "-a" "474d398a11f2a268c8771d617781311da57492213d5201fdf6baccd53be9ffeb"`
Jul 12 10:10:17.069 INFO kablam!     Checking blockchain v0.1.9
Jul 12 10:10:17.073 INFO kablam!     Checking ethereum-rlp v0.2.3
Jul 12 10:10:18.991 INFO kablam!     Checking ethereum-bigint v0.2.9
Jul 12 10:10:24.148 INFO kablam!     Checking ethereum-bloom v0.2.1
Jul 12 10:10:24.151 INFO kablam!     Checking ethereum-block-core v0.1.0
Jul 12 10:10:24.156 INFO kablam!     Checking ethereum-trie v0.3.8
Jul 12 10:10:24.159 INFO kablam!     Checking ethash v0.3.1 (file:///source)
Jul 12 10:10:26.839 INFO kablam! warning: unused import: `H1024`
Jul 12 10:10:26.839 INFO kablam!   --> src/lib.rs:17:14
Jul 12 10:10:26.839 INFO kablam!    |
Jul 12 10:10:26.839 INFO kablam! 17 | use bigint::{H1024, U256, H256, H64, H512};
Jul 12 10:10:26.839 INFO kablam!    |              ^^^^^
Jul 12 10:10:26.839 INFO kablam!    |
Jul 12 10:10:26.839 INFO kablam!    = note: #[warn(unused_imports)] on by default
Jul 12 10:10:26.839 INFO kablam! 
Jul 12 10:10:27.533 INFO kablam! warning: unused variable: `a32`
Jul 12 10:10:27.533 INFO kablam!    --> src/lib.rs:111:13
Jul 12 10:10:27.533 INFO kablam!     |
Jul 12 10:10:27.533 INFO kablam! 111 |         let a32 = (&a[j..]).read_u32::<LittleEndian>().unwrap();
Jul 12 10:10:27.533 INFO kablam!     |             ^^^ help: consider using `_a32` instead
Jul 12 10:10:27.533 INFO kablam!     |
Jul 12 10:10:27.533 INFO kablam!     = note: #[warn(unused_variables)] on by default
Jul 12 10:10:27.533 INFO kablam! 
Jul 12 10:10:27.534 INFO kablam! warning: unused variable: `b32`
Jul 12 10:10:27.534 INFO kablam!    --> src/lib.rs:112:13
Jul 12 10:10:27.534 INFO kablam!     |
Jul 12 10:10:27.534 INFO kablam! 112 |         let b32 = (&b[j..]).read_u32::<LittleEndian>().unwrap();
Jul 12 10:10:27.534 INFO kablam!     |             ^^^ help: consider using `_b32` instead
Jul 12 10:10:27.534 INFO kablam! 
Jul 12 10:10:27.534 INFO kablam! warning: unused variable: `a32`
Jul 12 10:10:27.534 INFO kablam!    --> src/lib.rs:125:13
Jul 12 10:10:27.534 INFO kablam!     |
Jul 12 10:10:27.534 INFO kablam! 125 |         let a32 = (&a[j..]).read_u32::<LittleEndian>().unwrap();
Jul 12 10:10:27.534 INFO kablam!     |             ^^^ help: consider using `_a32` instead
Jul 12 10:10:27.534 INFO kablam! 
Jul 12 10:10:27.534 INFO kablam! warning: unused variable: `b32`
Jul 12 10:10:27.534 INFO kablam!    --> src/lib.rs:126:13
Jul 12 10:10:27.534 INFO kablam!     |
Jul 12 10:10:27.534 INFO kablam! 126 |         let b32 = (&b[j..]).read_u32::<LittleEndian>().unwrap();
Jul 12 10:10:27.534 INFO kablam!     |             ^^^ help: consider using `_b32` instead
Jul 12 10:10:27.534 INFO kablam! 
Jul 12 10:10:27.535 INFO kablam! warning: unused variable: `n`
Jul 12 10:10:27.535 INFO kablam!    --> src/lib.rs:136:9
Jul 12 10:10:27.535 INFO kablam!     |
Jul 12 10:10:27.535 INFO kablam! 136 |     let n = a.len();
Jul 12 10:10:27.536 INFO kablam!     |         ^ help: consider using `_n` instead
Jul 12 10:10:27.536 INFO kablam! 
Jul 12 10:10:27.536 INFO kablam! warning: unused variable: `i`
Jul 12 10:10:27.536 INFO kablam!    --> src/lib.rs:307:9
Jul 12 10:10:27.536 INFO kablam!     |
Jul 12 10:10:27.536 INFO kablam! 307 |     for i in 0..epoch {
Jul 12 10:10:27.536 INFO kablam!     |         ^ help: consider using `_i` instead
Jul 12 10:10:27.536 INFO kablam! 
Jul 12 10:10:27.801 INFO kablam! warning: field is never used: `cache_size`
Jul 12 10:10:27.801 INFO kablam!   --> src/dag.rs:16:5
Jul 12 10:10:27.801 INFO kablam!    |
Jul 12 10:10:27.801 INFO kablam! 16 |     cache_size: usize,
Jul 12 10:10:27.801 INFO kablam!    |     ^^^^^^^^^^^^^^^^^
Jul 12 10:10:27.803 INFO kablam!    |
Jul 12 10:10:27.811 INFO kablam!    = note: #[warn(dead_code)] on by default
Jul 12 10:10:27.813 INFO kablam! 
Jul 12 10:10:27.815 INFO kablam! warning: constant item is never used: `CACHE_MULTIPLIER`
Jul 12 10:10:27.815 INFO kablam!   --> src/lib.rs:26:1
Jul 12 10:10:27.815 INFO kablam!    |
Jul 12 10:10:27.815 INFO kablam! 26 | const CACHE_MULTIPLIER: usize = 1024;
Jul 12 10:10:27.816 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jul 12 10:10:27.816 INFO kablam! 
Jul 12 10:10:27.817 INFO kablam! warning: constant item is never used: `FNV_PRIME`
Jul 12 10:10:27.817 INFO kablam!   --> src/lib.rs:99:1
Jul 12 10:10:27.817 INFO kablam!    |
Jul 12 10:10:27.817 INFO kablam! 99 | const FNV_PRIME: u32 = 0x01000193;
Jul 12 10:10:27.817 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jul 12 10:10:27.817 INFO kablam! 
Jul 12 10:10:27.818 INFO kablam! warning: function is never used: `u8s_to_u32`
Jul 12 10:10:27.818 INFO kablam!    --> src/lib.rs:135:1
Jul 12 10:10:27.818 INFO kablam!     |
Jul 12 10:10:27.818 INFO kablam! 135 | fn u8s_to_u32(a: &[u8]) -> u32 {
Jul 12 10:10:27.818 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jul 12 10:10:27.818 INFO kablam! 
Jul 12 10:10:27.830 INFO kablam! warning: unused `std::result::Result` which must be used
Jul 12 10:10:27.830 INFO kablam!    --> src/lib.rs:114:9
Jul 12 10:10:27.830 INFO kablam!     |
Jul 12 10:10:27.830 INFO kablam! 114 | /         (&mut r[j..]).write_u32::<LittleEndian>(
Jul 12 10:10:27.830 INFO kablam! 115 | |             fnv((&a[j..]).read_u32::<LittleEndian>().unwrap(),
Jul 12 10:10:27.831 INFO kablam! 116 | |                 (&b[j..]).read_u32::<LittleEndian>().unwrap()));
Jul 12 10:10:27.831 INFO kablam!     | |________________________________________________________________^
Jul 12 10:10:27.831 INFO kablam!     |
Jul 12 10:10:27.832 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Jul 12 10:10:27.832 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Jul 12 10:10:27.833 INFO kablam! 
Jul 12 10:10:27.834 INFO kablam! warning: unused `std::result::Result` which must be used
Jul 12 10:10:27.834 INFO kablam!    --> src/lib.rs:128:9
Jul 12 10:10:27.834 INFO kablam!     |
Jul 12 10:10:27.834 INFO kablam! 128 | /         (&mut r[j..]).write_u32::<LittleEndian>(
Jul 12 10:10:27.834 INFO kablam! 129 | |             fnv((&a[j..]).read_u32::<LittleEndian>().unwrap(),
Jul 12 10:10:27.834 INFO kablam! 130 | |                 (&b[j..]).read_u32::<LittleEndian>().unwrap()));
Jul 12 10:10:27.834 INFO kablam!     | |________________________________________________________________^
Jul 12 10:10:27.835 INFO kablam!     |
Jul 12 10:10:27.835 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Jul 12 10:10:27.835 INFO kablam! 
Jul 12 10:10:27.836 INFO kablam! warning: unused `std::result::Result` which must be used
Jul 12 10:10:27.836 INFO kablam!    --> src/lib.rs:152:5
Jul 12 10:10:27.836 INFO kablam!     |
Jul 12 10:10:27.837 INFO kablam! 152 |     mix.as_mut().write_u32::<LittleEndian>(mix_first32);
Jul 12 10:10:27.837 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jul 12 10:10:27.837 INFO kablam!     |
Jul 12 10:10:27.838 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Jul 12 10:10:27.838 INFO kablam! 
Jul 12 10:10:27.841 INFO kablam! warning: unused `std::result::Result` which must be used
Jul 12 10:10:27.841 INFO kablam!    --> src/lib.rs:230:9
Jul 12 10:10:27.841 INFO kablam!     |
Jul 12 10:10:27.841 INFO kablam! 230 |         (&mut cmix[j..]).write_u32::<LittleEndian>(c);
Jul 12 10:10:27.841 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jul 12 10:10:27.841 INFO kablam!     |
Jul 12 10:10:27.841 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Jul 12 10:10:27.841 INFO kablam! 
Jul 12 10:10:29.090 INFO kablam!     Checking ethereum-block v0.3.5
Jul 12 10:10:32.773 INFO kablam! warning: unused import: `H1024`
Jul 12 10:10:32.773 INFO kablam!   --> src/lib.rs:17:14
Jul 12 10:10:32.773 INFO kablam!    |
Jul 12 10:10:32.773 INFO kablam! 17 | use bigint::{H1024, U256, H256, H64, H512};
Jul 12 10:10:32.773 INFO kablam!    |              ^^^^^
Jul 12 10:10:32.774 INFO kablam!    |
Jul 12 10:10:32.774 INFO kablam!    = note: #[warn(unused_imports)] on by default
Jul 12 10:10:32.774 INFO kablam! 
Jul 12 10:10:33.647 INFO kablam! warning: unused variable: `a32`
Jul 12 10:10:33.648 INFO kablam!    --> src/lib.rs:111:13
Jul 12 10:10:33.648 INFO kablam!     |
Jul 12 10:10:33.648 INFO kablam! 111 |         let a32 = (&a[j..]).read_u32::<LittleEndian>().unwrap();
Jul 12 10:10:33.648 INFO kablam!     |             ^^^ help: consider using `_a32` instead
Jul 12 10:10:33.648 INFO kablam!     |
Jul 12 10:10:33.649 INFO kablam!     = note: #[warn(unused_variables)] on by default
Jul 12 10:10:33.649 INFO kablam! 
Jul 12 10:10:33.650 INFO kablam! warning: unused variable: `b32`
Jul 12 10:10:33.650 INFO kablam!    --> src/lib.rs:112:13
Jul 12 10:10:33.650 INFO kablam!     |
Jul 12 10:10:33.650 INFO kablam! 112 |         let b32 = (&b[j..]).read_u32::<LittleEndian>().unwrap();
Jul 12 10:10:33.650 INFO kablam!     |             ^^^ help: consider using `_b32` instead
Jul 12 10:10:33.651 INFO kablam! 
Jul 12 10:10:33.652 INFO kablam! warning: unused variable: `a32`
Jul 12 10:10:33.652 INFO kablam!    --> src/lib.rs:125:13
Jul 12 10:10:33.652 INFO kablam!     |
Jul 12 10:10:33.652 INFO kablam! 125 |         let a32 = (&a[j..]).read_u32::<LittleEndian>().unwrap();
Jul 12 10:10:33.652 INFO kablam!     |             ^^^ help: consider using `_a32` instead
Jul 12 10:10:33.653 INFO kablam! 
Jul 12 10:10:33.654 INFO kablam! warning: unused variable: `b32`
Jul 12 10:10:33.654 INFO kablam!    --> src/lib.rs:126:13
Jul 12 10:10:33.654 INFO kablam!     |
Jul 12 10:10:33.654 INFO kablam! 126 |         let b32 = (&b[j..]).read_u32::<LittleEndian>().unwrap();
Jul 12 10:10:33.654 INFO kablam!     |             ^^^ help: consider using `_b32` instead
Jul 12 10:10:33.654 INFO kablam! 
Jul 12 10:10:33.654 INFO kablam! warning: unused variable: `n`
Jul 12 10:10:33.654 INFO kablam!    --> src/lib.rs:136:9
Jul 12 10:10:33.654 INFO kablam!     |
Jul 12 10:10:33.654 INFO kablam! 136 |     let n = a.len();
Jul 12 10:10:33.654 INFO kablam!     |         ^ help: consider using `_n` instead
Jul 12 10:10:33.654 INFO kablam! 
Jul 12 10:10:33.658 INFO kablam! warning: unused variable: `i`
Jul 12 10:10:33.658 INFO kablam!    --> src/lib.rs:307:9
Jul 12 10:10:33.658 INFO kablam!     |
Jul 12 10:10:33.658 INFO kablam! 307 |     for i in 0..epoch {
Jul 12 10:10:33.659 INFO kablam!     |         ^ help: consider using `_i` instead
Jul 12 10:10:33.660 INFO kablam! 
Jul 12 10:10:33.788 INFO kablam! warning: field is never used: `cache_size`
Jul 12 10:10:33.788 INFO kablam!   --> src/dag.rs:16:5
Jul 12 10:10:33.788 INFO kablam!    |
Jul 12 10:10:33.788 INFO kablam! 16 |     cache_size: usize,
Jul 12 10:10:33.788 INFO kablam!    |     ^^^^^^^^^^^^^^^^^
Jul 12 10:10:33.789 INFO kablam!    |
Jul 12 10:10:33.789 INFO kablam!    = note: #[warn(dead_code)] on by default
Jul 12 10:10:33.790 INFO kablam! 
Jul 12 10:10:33.790 INFO kablam! warning: constant item is never used: `CACHE_MULTIPLIER`
Jul 12 10:10:33.790 INFO kablam!   --> src/lib.rs:26:1
Jul 12 10:10:33.790 INFO kablam!    |
Jul 12 10:10:33.790 INFO kablam! 26 | const CACHE_MULTIPLIER: usize = 1024;
Jul 12 10:10:33.790 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jul 12 10:10:33.791 INFO kablam! 
Jul 12 10:10:33.792 INFO kablam! warning: constant item is never used: `FNV_PRIME`
Jul 12 10:10:33.792 INFO kablam!   --> src/lib.rs:99:1
Jul 12 10:10:33.792 INFO kablam!    |
Jul 12 10:10:33.792 INFO kablam! 99 | const FNV_PRIME: u32 = 0x01000193;
Jul 12 10:10:33.792 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jul 12 10:10:33.792 INFO kablam! 
Jul 12 10:10:33.793 INFO kablam! warning: function is never used: `u8s_to_u32`
Jul 12 10:10:33.793 INFO kablam!    --> src/lib.rs:135:1
Jul 12 10:10:33.793 INFO kablam!     |
Jul 12 10:10:33.793 INFO kablam! 135 | fn u8s_to_u32(a: &[u8]) -> u32 {
Jul 12 10:10:33.793 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jul 12 10:10:33.793 INFO kablam! 
Jul 12 10:10:33.801 INFO kablam! warning: unused `std::result::Result` which must be used
Jul 12 10:10:33.801 INFO kablam!    --> src/lib.rs:114:9
Jul 12 10:10:33.801 INFO kablam!     |
Jul 12 10:10:33.801 INFO kablam! 114 | /         (&mut r[j..]).write_u32::<LittleEndian>(
Jul 12 10:10:33.801 INFO kablam! 115 | |             fnv((&a[j..]).read_u32::<LittleEndian>().unwrap(),
Jul 12 10:10:33.801 INFO kablam! 116 | |                 (&b[j..]).read_u32::<LittleEndian>().unwrap()));
Jul 12 10:10:33.801 INFO kablam!     | |________________________________________________________________^
Jul 12 10:10:33.802 INFO kablam!     |
Jul 12 10:10:33.805 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Jul 12 10:10:33.805 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Jul 12 10:10:33.805 INFO kablam! 
Jul 12 10:10:33.805 INFO kablam! warning: unused `std::result::Result` which must be used
Jul 12 10:10:33.805 INFO kablam!    --> src/lib.rs:128:9
Jul 12 10:10:33.806 INFO kablam!     |
Jul 12 10:10:33.806 INFO kablam! 128 | /         (&mut r[j..]).write_u32::<LittleEndian>(
Jul 12 10:10:33.806 INFO kablam! 129 | |             fnv((&a[j..]).read_u32::<LittleEndian>().unwrap(),
Jul 12 10:10:33.806 INFO kablam! 130 | |                 (&b[j..]).read_u32::<LittleEndian>().unwrap()));
Jul 12 10:10:33.806 INFO kablam!     | |________________________________________________________________^
Jul 12 10:10:33.806 INFO kablam!     |
Jul 12 10:10:33.806 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Jul 12 10:10:33.806 INFO kablam! 
Jul 12 10:10:33.806 INFO kablam! warning: unused `std::result::Result` which must be used
Jul 12 10:10:33.807 INFO kablam!    --> src/lib.rs:152:5
Jul 12 10:10:33.807 INFO kablam!     |
Jul 12 10:10:33.807 INFO kablam! 152 |     mix.as_mut().write_u32::<LittleEndian>(mix_first32);
Jul 12 10:10:33.807 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jul 12 10:10:33.807 INFO kablam!     |
Jul 12 10:10:33.807 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Jul 12 10:10:33.807 INFO kablam! 
Jul 12 10:10:33.810 INFO kablam! warning: unused `std::result::Result` which must be used
Jul 12 10:10:33.810 INFO kablam!    --> src/lib.rs:230:9
Jul 12 10:10:33.810 INFO kablam!     |
Jul 12 10:10:33.810 INFO kablam! 230 |         (&mut cmix[j..]).write_u32::<LittleEndian>(c);
Jul 12 10:10:33.810 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jul 12 10:10:33.810 INFO kablam!     |
Jul 12 10:10:33.810 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Jul 12 10:10:33.811 INFO kablam! 
Jul 12 10:10:33.851 INFO kablam! warning: unused import: `blockchain::chain::HeaderHash`
Jul 12 10:10:33.851 INFO kablam!   --> tests/headers.rs:13:5
Jul 12 10:10:33.851 INFO kablam!    |
Jul 12 10:10:33.851 INFO kablam! 13 | use blockchain::chain::HeaderHash;
Jul 12 10:10:33.851 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jul 12 10:10:33.851 INFO kablam!    |
Jul 12 10:10:33.851 INFO kablam!    = note: #[warn(unused_imports)] on by default
Jul 12 10:10:33.851 INFO kablam! 
Jul 12 10:10:34.182 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 17.21s
Jul 12 10:10:34.197 INFO kablam! su: No module specific data is present
Jul 12 10:10:34.714 INFO running `"docker" "rm" "-f" "474d398a11f2a268c8771d617781311da57492213d5201fdf6baccd53be9ffeb"`
Jul 12 10:10:34.915 INFO blam! 474d398a11f2a268c8771d617781311da57492213d5201fdf6baccd53be9ffeb