Sep 02 15:08:24.841 INFO checking ethash-0.3.1 against try#952c7dbfa2628309f557b367929ffc17af20b332 for pr-53851
Sep 02 15:08:24.841 INFO running: cargo +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets
Sep 02 15:08:24.841 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53851/try#952c7dbfa2628309f557b367929ffc17af20b332:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-0/try#952c7dbfa2628309f557b367929ffc17af20b332:/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 +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 02 15:08:25.001 INFO blam! 83f9343705c10bc4a41f4f5f19c5417ebeaf9f077477184b82e472ba2fd37d79
Sep 02 15:08:25.003 INFO running `"docker" "start" "-a" "83f9343705c10bc4a41f4f5f19c5417ebeaf9f077477184b82e472ba2fd37d79"`
Sep 02 15:08:25.798 INFO kablam!     Checking blockchain v0.1.9
Sep 02 15:08:25.799 INFO kablam!     Checking ethereum-block-core v0.1.0
Sep 02 15:08:25.799 INFO kablam!     Checking ethereum-trie v0.3.8
Sep 02 15:08:25.800 INFO kablam!     Checking ethereum-bloom v0.2.1
Sep 02 15:08:25.801 INFO kablam!     Checking ethash v0.3.1 (file:///source)
Sep 02 15:08:28.082 INFO kablam! warning: unused import: `H1024`
Sep 02 15:08:28.082 INFO kablam!   --> src/lib.rs:17:14
Sep 02 15:08:28.082 INFO kablam!    |
Sep 02 15:08:28.082 INFO kablam! 17 | use bigint::{H1024, U256, H256, H64, H512};
Sep 02 15:08:28.082 INFO kablam!    |              ^^^^^
Sep 02 15:08:28.082 INFO kablam!    |
Sep 02 15:08:28.083 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 02 15:08:28.083 INFO kablam! 
Sep 02 15:08:28.741 INFO kablam! warning: unused variable: `a32`
Sep 02 15:08:28.741 INFO kablam!    --> src/lib.rs:111:13
Sep 02 15:08:28.741 INFO kablam!     |
Sep 02 15:08:28.741 INFO kablam! 111 |         let a32 = (&a[j..]).read_u32::<LittleEndian>().unwrap();
Sep 02 15:08:28.741 INFO kablam!     |             ^^^ help: consider using `_a32` instead
Sep 02 15:08:28.741 INFO kablam!     |
Sep 02 15:08:28.741 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 02 15:08:28.741 INFO kablam! 
Sep 02 15:08:28.741 INFO kablam! warning: unused variable: `b32`
Sep 02 15:08:28.741 INFO kablam!    --> src/lib.rs:112:13
Sep 02 15:08:28.742 INFO kablam!     |
Sep 02 15:08:28.742 INFO kablam! 112 |         let b32 = (&b[j..]).read_u32::<LittleEndian>().unwrap();
Sep 02 15:08:28.742 INFO kablam!     |             ^^^ help: consider using `_b32` instead
Sep 02 15:08:28.742 INFO kablam! 
Sep 02 15:08:28.742 INFO kablam! warning: unused variable: `a32`
Sep 02 15:08:28.742 INFO kablam!    --> src/lib.rs:125:13
Sep 02 15:08:28.742 INFO kablam!     |
Sep 02 15:08:28.742 INFO kablam! 125 |         let a32 = (&a[j..]).read_u32::<LittleEndian>().unwrap();
Sep 02 15:08:28.742 INFO kablam!     |             ^^^ help: consider using `_a32` instead
Sep 02 15:08:28.742 INFO kablam! 
Sep 02 15:08:28.742 INFO kablam! warning: unused variable: `b32`
Sep 02 15:08:28.742 INFO kablam!    --> src/lib.rs:126:13
Sep 02 15:08:28.742 INFO kablam!     |
Sep 02 15:08:28.742 INFO kablam! 126 |         let b32 = (&b[j..]).read_u32::<LittleEndian>().unwrap();
Sep 02 15:08:28.742 INFO kablam!     |             ^^^ help: consider using `_b32` instead
Sep 02 15:08:28.742 INFO kablam! 
Sep 02 15:08:28.742 INFO kablam! warning: unused variable: `n`
Sep 02 15:08:28.742 INFO kablam!    --> src/lib.rs:136:9
Sep 02 15:08:28.742 INFO kablam!     |
Sep 02 15:08:28.742 INFO kablam! 136 |     let n = a.len();
Sep 02 15:08:28.743 INFO kablam!     |         ^ help: consider using `_n` instead
Sep 02 15:08:28.743 INFO kablam! 
Sep 02 15:08:28.743 INFO kablam! warning: unused variable: `i`
Sep 02 15:08:28.743 INFO kablam!    --> src/lib.rs:307:9
Sep 02 15:08:28.743 INFO kablam!     |
Sep 02 15:08:28.743 INFO kablam! 307 |     for i in 0..epoch {
Sep 02 15:08:28.743 INFO kablam!     |         ^ help: consider using `_i` instead
Sep 02 15:08:28.743 INFO kablam! 
Sep 02 15:08:28.844 INFO kablam! warning: field is never used: `cache_size`
Sep 02 15:08:28.844 INFO kablam!   --> src/dag.rs:16:5
Sep 02 15:08:28.844 INFO kablam!    |
Sep 02 15:08:28.844 INFO kablam! 16 |     cache_size: usize,
Sep 02 15:08:28.844 INFO kablam!    |     ^^^^^^^^^^^^^^^^^
Sep 02 15:08:28.844 INFO kablam!    |
Sep 02 15:08:28.844 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 02 15:08:28.844 INFO kablam! 
Sep 02 15:08:28.845 INFO kablam! warning: constant item is never used: `CACHE_MULTIPLIER`
Sep 02 15:08:28.845 INFO kablam!   --> src/lib.rs:26:1
Sep 02 15:08:28.845 INFO kablam!    |
Sep 02 15:08:28.845 INFO kablam! 26 | const CACHE_MULTIPLIER: usize = 1024;
Sep 02 15:08:28.845 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 02 15:08:28.845 INFO kablam! 
Sep 02 15:08:28.845 INFO kablam! warning: constant item is never used: `FNV_PRIME`
Sep 02 15:08:28.845 INFO kablam!   --> src/lib.rs:99:1
Sep 02 15:08:28.845 INFO kablam!    |
Sep 02 15:08:28.845 INFO kablam! 99 | const FNV_PRIME: u32 = 0x01000193;
Sep 02 15:08:28.845 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 02 15:08:28.845 INFO kablam! 
Sep 02 15:08:28.845 INFO kablam! warning: function is never used: `u8s_to_u32`
Sep 02 15:08:28.845 INFO kablam!    --> src/lib.rs:135:1
Sep 02 15:08:28.845 INFO kablam!     |
Sep 02 15:08:28.845 INFO kablam! 135 | fn u8s_to_u32(a: &[u8]) -> u32 {
Sep 02 15:08:28.845 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 02 15:08:28.845 INFO kablam! 
Sep 02 15:08:28.852 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 02 15:08:28.852 INFO kablam!    --> src/lib.rs:114:9
Sep 02 15:08:28.852 INFO kablam!     |
Sep 02 15:08:28.852 INFO kablam! 114 | /         (&mut r[j..]).write_u32::<LittleEndian>(
Sep 02 15:08:28.852 INFO kablam! 115 | |             fnv((&a[j..]).read_u32::<LittleEndian>().unwrap(),
Sep 02 15:08:28.852 INFO kablam! 116 | |                 (&b[j..]).read_u32::<LittleEndian>().unwrap()));
Sep 02 15:08:28.852 INFO kablam!     | |________________________________________________________________^
Sep 02 15:08:28.852 INFO kablam!     |
Sep 02 15:08:28.852 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 02 15:08:28.852 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 02 15:08:28.853 INFO kablam! 
Sep 02 15:08:28.853 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 02 15:08:28.853 INFO kablam!    --> src/lib.rs:128:9
Sep 02 15:08:28.853 INFO kablam!     |
Sep 02 15:08:28.853 INFO kablam! 128 | /         (&mut r[j..]).write_u32::<LittleEndian>(
Sep 02 15:08:28.853 INFO kablam! 129 | |             fnv((&a[j..]).read_u32::<LittleEndian>().unwrap(),
Sep 02 15:08:28.853 INFO kablam! 130 | |                 (&b[j..]).read_u32::<LittleEndian>().unwrap()));
Sep 02 15:08:28.853 INFO kablam!     | |________________________________________________________________^
Sep 02 15:08:28.853 INFO kablam!     |
Sep 02 15:08:28.853 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 02 15:08:28.853 INFO kablam! 
Sep 02 15:08:28.853 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 02 15:08:28.853 INFO kablam!    --> src/lib.rs:152:5
Sep 02 15:08:28.853 INFO kablam!     |
Sep 02 15:08:28.853 INFO kablam! 152 |     mix.as_mut().write_u32::<LittleEndian>(mix_first32);
Sep 02 15:08:28.853 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 02 15:08:28.853 INFO kablam!     |
Sep 02 15:08:28.853 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 02 15:08:28.853 INFO kablam! 
Sep 02 15:08:28.854 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 02 15:08:28.854 INFO kablam!    --> src/lib.rs:230:9
Sep 02 15:08:28.854 INFO kablam!     |
Sep 02 15:08:28.855 INFO kablam! 230 |         (&mut cmix[j..]).write_u32::<LittleEndian>(c);
Sep 02 15:08:28.855 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 02 15:08:28.855 INFO kablam!     |
Sep 02 15:08:28.855 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 02 15:08:28.855 INFO kablam! 
Sep 02 15:08:29.354 INFO kablam!     Checking ethereum-block v0.3.5
Sep 02 15:08:33.892 INFO kablam! warning: unused import: `H1024`
Sep 02 15:08:33.892 INFO kablam!   --> src/lib.rs:17:14
Sep 02 15:08:33.892 INFO kablam!    |
Sep 02 15:08:33.892 INFO kablam! 17 | use bigint::{H1024, U256, H256, H64, H512};
Sep 02 15:08:33.892 INFO kablam!    |              ^^^^^
Sep 02 15:08:33.892 INFO kablam!    |
Sep 02 15:08:33.892 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 02 15:08:33.892 INFO kablam! 
Sep 02 15:08:34.421 INFO kablam! warning: unused variable: `a32`
Sep 02 15:08:34.421 INFO kablam!    --> src/lib.rs:111:13
Sep 02 15:08:34.421 INFO kablam!     |
Sep 02 15:08:34.421 INFO kablam! 111 |         let a32 = (&a[j..]).read_u32::<LittleEndian>().unwrap();
Sep 02 15:08:34.421 INFO kablam!     |             ^^^ help: consider using `_a32` instead
Sep 02 15:08:34.421 INFO kablam!     |
Sep 02 15:08:34.421 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 02 15:08:34.421 INFO kablam! 
Sep 02 15:08:34.421 INFO kablam! warning: unused variable: `b32`
Sep 02 15:08:34.421 INFO kablam!    --> src/lib.rs:112:13
Sep 02 15:08:34.421 INFO kablam!     |
Sep 02 15:08:34.421 INFO kablam! 112 |         let b32 = (&b[j..]).read_u32::<LittleEndian>().unwrap();
Sep 02 15:08:34.421 INFO kablam!     |             ^^^ help: consider using `_b32` instead
Sep 02 15:08:34.422 INFO kablam! 
Sep 02 15:08:34.422 INFO kablam! warning: unused variable: `a32`
Sep 02 15:08:34.422 INFO kablam!    --> src/lib.rs:125:13
Sep 02 15:08:34.422 INFO kablam!     |
Sep 02 15:08:34.422 INFO kablam! 125 |         let a32 = (&a[j..]).read_u32::<LittleEndian>().unwrap();
Sep 02 15:08:34.422 INFO kablam!     |             ^^^ help: consider using `_a32` instead
Sep 02 15:08:34.422 INFO kablam! 
Sep 02 15:08:34.423 INFO kablam! warning: unused variable: `b32`
Sep 02 15:08:34.423 INFO kablam!    --> src/lib.rs:126:13
Sep 02 15:08:34.423 INFO kablam!     |
Sep 02 15:08:34.423 INFO kablam! 126 |         let b32 = (&b[j..]).read_u32::<LittleEndian>().unwrap();
Sep 02 15:08:34.423 INFO kablam!     |             ^^^ help: consider using `_b32` instead
Sep 02 15:08:34.423 INFO kablam! 
Sep 02 15:08:34.423 INFO kablam! warning: unused variable: `n`
Sep 02 15:08:34.423 INFO kablam!    --> src/lib.rs:136:9
Sep 02 15:08:34.423 INFO kablam!     |
Sep 02 15:08:34.423 INFO kablam! 136 |     let n = a.len();
Sep 02 15:08:34.424 INFO kablam!     |         ^ help: consider using `_n` instead
Sep 02 15:08:34.424 INFO kablam! 
Sep 02 15:08:34.424 INFO kablam! warning: unused variable: `i`
Sep 02 15:08:34.424 INFO kablam!    --> src/lib.rs:307:9
Sep 02 15:08:34.424 INFO kablam!     |
Sep 02 15:08:34.424 INFO kablam! 307 |     for i in 0..epoch {
Sep 02 15:08:34.424 INFO kablam!     |         ^ help: consider using `_i` instead
Sep 02 15:08:34.424 INFO kablam! 
Sep 02 15:08:34.519 INFO kablam! warning: field is never used: `cache_size`
Sep 02 15:08:34.519 INFO kablam!   --> src/dag.rs:16:5
Sep 02 15:08:34.519 INFO kablam!    |
Sep 02 15:08:34.519 INFO kablam! 16 |     cache_size: usize,
Sep 02 15:08:34.519 INFO kablam!    |     ^^^^^^^^^^^^^^^^^
Sep 02 15:08:34.519 INFO kablam!    |
Sep 02 15:08:34.519 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 02 15:08:34.519 INFO kablam! 
Sep 02 15:08:34.519 INFO kablam! warning: constant item is never used: `CACHE_MULTIPLIER`
Sep 02 15:08:34.519 INFO kablam!   --> src/lib.rs:26:1
Sep 02 15:08:34.519 INFO kablam!    |
Sep 02 15:08:34.519 INFO kablam! 26 | const CACHE_MULTIPLIER: usize = 1024;
Sep 02 15:08:34.520 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 02 15:08:34.520 INFO kablam! 
Sep 02 15:08:34.520 INFO kablam! warning: constant item is never used: `FNV_PRIME`
Sep 02 15:08:34.520 INFO kablam!   --> src/lib.rs:99:1
Sep 02 15:08:34.520 INFO kablam!    |
Sep 02 15:08:34.520 INFO kablam! 99 | const FNV_PRIME: u32 = 0x01000193;
Sep 02 15:08:34.520 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 02 15:08:34.520 INFO kablam! 
Sep 02 15:08:34.520 INFO kablam! warning: function is never used: `u8s_to_u32`
Sep 02 15:08:34.520 INFO kablam!    --> src/lib.rs:135:1
Sep 02 15:08:34.520 INFO kablam!     |
Sep 02 15:08:34.520 INFO kablam! 135 | fn u8s_to_u32(a: &[u8]) -> u32 {
Sep 02 15:08:34.521 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 02 15:08:34.521 INFO kablam! 
Sep 02 15:08:34.526 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 02 15:08:34.526 INFO kablam!    --> src/lib.rs:114:9
Sep 02 15:08:34.526 INFO kablam!     |
Sep 02 15:08:34.526 INFO kablam! 114 | /         (&mut r[j..]).write_u32::<LittleEndian>(
Sep 02 15:08:34.526 INFO kablam! 115 | |             fnv((&a[j..]).read_u32::<LittleEndian>().unwrap(),
Sep 02 15:08:34.526 INFO kablam! 116 | |                 (&b[j..]).read_u32::<LittleEndian>().unwrap()));
Sep 02 15:08:34.526 INFO kablam!     | |________________________________________________________________^
Sep 02 15:08:34.526 INFO kablam!     |
Sep 02 15:08:34.526 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 02 15:08:34.526 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 02 15:08:34.526 INFO kablam! 
Sep 02 15:08:34.527 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 02 15:08:34.527 INFO kablam!    --> src/lib.rs:128:9
Sep 02 15:08:34.527 INFO kablam!     |
Sep 02 15:08:34.527 INFO kablam! 128 | /         (&mut r[j..]).write_u32::<LittleEndian>(
Sep 02 15:08:34.527 INFO kablam! 129 | |             fnv((&a[j..]).read_u32::<LittleEndian>().unwrap(),
Sep 02 15:08:34.527 INFO kablam! 130 | |                 (&b[j..]).read_u32::<LittleEndian>().unwrap()));
Sep 02 15:08:34.527 INFO kablam!     | |________________________________________________________________^
Sep 02 15:08:34.527 INFO kablam!     |
Sep 02 15:08:34.527 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 02 15:08:34.527 INFO kablam! 
Sep 02 15:08:34.527 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 02 15:08:34.527 INFO kablam!    --> src/lib.rs:152:5
Sep 02 15:08:34.527 INFO kablam!     |
Sep 02 15:08:34.527 INFO kablam! 152 |     mix.as_mut().write_u32::<LittleEndian>(mix_first32);
Sep 02 15:08:34.527 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 02 15:08:34.527 INFO kablam!     |
Sep 02 15:08:34.527 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 02 15:08:34.527 INFO kablam! 
Sep 02 15:08:34.527 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 02 15:08:34.527 INFO kablam!    --> src/lib.rs:230:9
Sep 02 15:08:34.528 INFO kablam!     |
Sep 02 15:08:34.528 INFO kablam! 230 |         (&mut cmix[j..]).write_u32::<LittleEndian>(c);
Sep 02 15:08:34.528 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 02 15:08:34.528 INFO kablam!     |
Sep 02 15:08:34.528 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 02 15:08:34.528 INFO kablam! 
Sep 02 15:08:34.741 INFO kablam! warning: unused import: `blockchain::chain::HeaderHash`
Sep 02 15:08:34.741 INFO kablam!   --> tests/headers.rs:13:5
Sep 02 15:08:34.741 INFO kablam!    |
Sep 02 15:08:34.741 INFO kablam! 13 | use blockchain::chain::HeaderHash;
Sep 02 15:08:34.741 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 02 15:08:34.741 INFO kablam!    |
Sep 02 15:08:34.741 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 02 15:08:34.741 INFO kablam! 
Sep 02 15:08:34.892 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 9.16s
Sep 02 15:08:34.899 INFO kablam! su: No module specific data is present
Sep 02 15:08:35.289 INFO running `"docker" "rm" "-f" "83f9343705c10bc4a41f4f5f19c5417ebeaf9f077477184b82e472ba2fd37d79"`
Sep 02 15:08:35.380 INFO blam! 83f9343705c10bc4a41f4f5f19c5417ebeaf9f077477184b82e472ba2fd37d79