Sep 06 07:24:53.993 INFO checking ethash-0.3.1 against master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6 for pr-53854
Sep 06 07:24:53.993 INFO running: cargo +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets
Sep 06 07:24:53.993 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53854/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-1/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/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=1000" "-e" "CMD=cargo +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 07:24:54.147 INFO blam! b6446e23e94cb493642631b27208dc87df33444537831c61d365e72edd412f9c
Sep 06 07:24:54.148 INFO running `"docker" "start" "-a" "b6446e23e94cb493642631b27208dc87df33444537831c61d365e72edd412f9c"`
Sep 06 07:24:55.574 INFO kablam! usermod: no changes
Sep 06 07:24:55.710 INFO kablam!     Checking ethereum-hexutil v0.2.3
Sep 06 07:24:55.720 INFO kablam!     Checking blockchain v0.1.9
Sep 06 07:24:55.734 INFO kablam!     Checking sha3 v0.6.0
Sep 06 07:24:55.742 INFO kablam!     Checking hmac-drbg v0.1.2
Sep 06 07:24:56.367 INFO kablam!     Checking libsecp256k1 v0.1.14
Sep 06 07:24:56.410 INFO kablam!     Checking ethereum-rlp v0.2.3
Sep 06 07:24:57.429 INFO kablam!     Checking ethereum-bigint v0.2.9
Sep 06 07:24:59.645 INFO kablam!     Checking ethereum-bloom v0.2.1
Sep 06 07:24:59.645 INFO kablam!     Checking ethereum-trie v0.3.8
Sep 06 07:24:59.645 INFO kablam!     Checking ethereum-block-core v0.1.0
Sep 06 07:24:59.645 INFO kablam!     Checking ethash v0.3.1 (file:///source)
Sep 06 07:25:00.534 INFO kablam! warning: unused import: `H1024`
Sep 06 07:25:00.534 INFO kablam!   --> src/lib.rs:17:14
Sep 06 07:25:00.534 INFO kablam!    |
Sep 06 07:25:00.534 INFO kablam! 17 | use bigint::{H1024, U256, H256, H64, H512};
Sep 06 07:25:00.534 INFO kablam!    |              ^^^^^
Sep 06 07:25:00.534 INFO kablam!    |
Sep 06 07:25:00.534 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 06 07:25:00.534 INFO kablam! 
Sep 06 07:25:00.773 INFO kablam! warning: unused variable: `a32`
Sep 06 07:25:00.773 INFO kablam!    --> src/lib.rs:111:13
Sep 06 07:25:00.773 INFO kablam!     |
Sep 06 07:25:00.773 INFO kablam! 111 |         let a32 = (&a[j..]).read_u32::<LittleEndian>().unwrap();
Sep 06 07:25:00.773 INFO kablam!     |             ^^^ help: consider using `_a32` instead
Sep 06 07:25:00.773 INFO kablam!     |
Sep 06 07:25:00.773 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 06 07:25:00.773 INFO kablam! 
Sep 06 07:25:00.773 INFO kablam! warning: unused variable: `b32`
Sep 06 07:25:00.773 INFO kablam!    --> src/lib.rs:112:13
Sep 06 07:25:00.773 INFO kablam!     |
Sep 06 07:25:00.773 INFO kablam! 112 |         let b32 = (&b[j..]).read_u32::<LittleEndian>().unwrap();
Sep 06 07:25:00.773 INFO kablam!     |             ^^^ help: consider using `_b32` instead
Sep 06 07:25:00.773 INFO kablam! 
Sep 06 07:25:00.773 INFO kablam! warning: unused variable: `a32`
Sep 06 07:25:00.773 INFO kablam!    --> src/lib.rs:125:13
Sep 06 07:25:00.773 INFO kablam!     |
Sep 06 07:25:00.773 INFO kablam! 125 |         let a32 = (&a[j..]).read_u32::<LittleEndian>().unwrap();
Sep 06 07:25:00.773 INFO kablam!     |             ^^^ help: consider using `_a32` instead
Sep 06 07:25:00.773 INFO kablam! 
Sep 06 07:25:00.773 INFO kablam! warning: unused variable: `b32`
Sep 06 07:25:00.773 INFO kablam!    --> src/lib.rs:126:13
Sep 06 07:25:00.773 INFO kablam!     |
Sep 06 07:25:00.773 INFO kablam! 126 |         let b32 = (&b[j..]).read_u32::<LittleEndian>().unwrap();
Sep 06 07:25:00.773 INFO kablam!     |             ^^^ help: consider using `_b32` instead
Sep 06 07:25:00.773 INFO kablam! 
Sep 06 07:25:00.773 INFO kablam! warning: unused variable: `n`
Sep 06 07:25:00.773 INFO kablam!    --> src/lib.rs:136:9
Sep 06 07:25:00.773 INFO kablam!     |
Sep 06 07:25:00.773 INFO kablam! 136 |     let n = a.len();
Sep 06 07:25:00.773 INFO kablam!     |         ^ help: consider using `_n` instead
Sep 06 07:25:00.773 INFO kablam! 
Sep 06 07:25:00.774 INFO kablam! warning: unused variable: `i`
Sep 06 07:25:00.774 INFO kablam!    --> src/lib.rs:307:9
Sep 06 07:25:00.774 INFO kablam!     |
Sep 06 07:25:00.774 INFO kablam! 307 |     for i in 0..epoch {
Sep 06 07:25:00.774 INFO kablam!     |         ^ help: consider using `_i` instead
Sep 06 07:25:00.774 INFO kablam! 
Sep 06 07:25:00.815 INFO kablam! warning: field is never used: `cache_size`
Sep 06 07:25:00.815 INFO kablam!   --> src/dag.rs:16:5
Sep 06 07:25:00.815 INFO kablam!    |
Sep 06 07:25:00.815 INFO kablam! 16 |     cache_size: usize,
Sep 06 07:25:00.815 INFO kablam!    |     ^^^^^^^^^^^^^^^^^
Sep 06 07:25:00.815 INFO kablam!    |
Sep 06 07:25:00.815 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 06 07:25:00.815 INFO kablam! 
Sep 06 07:25:00.815 INFO kablam! warning: constant item is never used: `CACHE_MULTIPLIER`
Sep 06 07:25:00.815 INFO kablam!   --> src/lib.rs:26:1
Sep 06 07:25:00.815 INFO kablam!    |
Sep 06 07:25:00.815 INFO kablam! 26 | const CACHE_MULTIPLIER: usize = 1024;
Sep 06 07:25:00.815 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 07:25:00.815 INFO kablam! 
Sep 06 07:25:00.815 INFO kablam! warning: constant item is never used: `FNV_PRIME`
Sep 06 07:25:00.815 INFO kablam!   --> src/lib.rs:99:1
Sep 06 07:25:00.815 INFO kablam!    |
Sep 06 07:25:00.815 INFO kablam! 99 | const FNV_PRIME: u32 = 0x01000193;
Sep 06 07:25:00.815 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 07:25:00.815 INFO kablam! 
Sep 06 07:25:00.815 INFO kablam! warning: function is never used: `u8s_to_u32`
Sep 06 07:25:00.815 INFO kablam!    --> src/lib.rs:135:1
Sep 06 07:25:00.815 INFO kablam!     |
Sep 06 07:25:00.815 INFO kablam! 135 | fn u8s_to_u32(a: &[u8]) -> u32 {
Sep 06 07:25:00.815 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 07:25:00.815 INFO kablam! 
Sep 06 07:25:00.818 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 06 07:25:00.818 INFO kablam!    --> src/lib.rs:114:9
Sep 06 07:25:00.818 INFO kablam!     |
Sep 06 07:25:00.818 INFO kablam! 114 | /         (&mut r[j..]).write_u32::<LittleEndian>(
Sep 06 07:25:00.818 INFO kablam! 115 | |             fnv((&a[j..]).read_u32::<LittleEndian>().unwrap(),
Sep 06 07:25:00.818 INFO kablam! 116 | |                 (&b[j..]).read_u32::<LittleEndian>().unwrap()));
Sep 06 07:25:00.818 INFO kablam!     | |________________________________________________________________^
Sep 06 07:25:00.818 INFO kablam!     |
Sep 06 07:25:00.818 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 06 07:25:00.818 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 06 07:25:00.818 INFO kablam! 
Sep 06 07:25:00.818 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 06 07:25:00.818 INFO kablam!    --> src/lib.rs:128:9
Sep 06 07:25:00.818 INFO kablam!     |
Sep 06 07:25:00.818 INFO kablam! 128 | /         (&mut r[j..]).write_u32::<LittleEndian>(
Sep 06 07:25:00.818 INFO kablam! 129 | |             fnv((&a[j..]).read_u32::<LittleEndian>().unwrap(),
Sep 06 07:25:00.818 INFO kablam! 130 | |                 (&b[j..]).read_u32::<LittleEndian>().unwrap()));
Sep 06 07:25:00.818 INFO kablam!     | |________________________________________________________________^
Sep 06 07:25:00.818 INFO kablam!     |
Sep 06 07:25:00.818 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 06 07:25:00.819 INFO kablam! 
Sep 06 07:25:00.819 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 06 07:25:00.819 INFO kablam!    --> src/lib.rs:152:5
Sep 06 07:25:00.819 INFO kablam!     |
Sep 06 07:25:00.819 INFO kablam! 152 |     mix.as_mut().write_u32::<LittleEndian>(mix_first32);
Sep 06 07:25:00.819 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 07:25:00.819 INFO kablam!     |
Sep 06 07:25:00.819 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 06 07:25:00.819 INFO kablam! 
Sep 06 07:25:00.819 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 06 07:25:00.819 INFO kablam!    --> src/lib.rs:230:9
Sep 06 07:25:00.819 INFO kablam!     |
Sep 06 07:25:00.819 INFO kablam! 230 |         (&mut cmix[j..]).write_u32::<LittleEndian>(c);
Sep 06 07:25:00.819 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 07:25:00.819 INFO kablam!     |
Sep 06 07:25:00.819 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 06 07:25:00.819 INFO kablam! 
Sep 06 07:25:09.955 INFO kablam!     Checking ethereum-block v0.3.5
Sep 06 07:25:11.978 INFO kablam! warning: unused import: `H1024`
Sep 06 07:25:11.978 INFO kablam!   --> src/lib.rs:17:14
Sep 06 07:25:11.978 INFO kablam!    |
Sep 06 07:25:11.978 INFO kablam! 17 | use bigint::{H1024, U256, H256, H64, H512};
Sep 06 07:25:11.978 INFO kablam!    |              ^^^^^
Sep 06 07:25:11.978 INFO kablam!    |
Sep 06 07:25:11.978 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 06 07:25:11.978 INFO kablam! 
Sep 06 07:25:12.278 INFO kablam! warning: unused variable: `a32`
Sep 06 07:25:12.278 INFO kablam!    --> src/lib.rs:111:13
Sep 06 07:25:12.278 INFO kablam!     |
Sep 06 07:25:12.278 INFO kablam! 111 |         let a32 = (&a[j..]).read_u32::<LittleEndian>().unwrap();
Sep 06 07:25:12.278 INFO kablam!     |             ^^^ help: consider using `_a32` instead
Sep 06 07:25:12.278 INFO kablam!     |
Sep 06 07:25:12.278 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 06 07:25:12.278 INFO kablam! 
Sep 06 07:25:12.278 INFO kablam! warning: unused variable: `b32`
Sep 06 07:25:12.278 INFO kablam!    --> src/lib.rs:112:13
Sep 06 07:25:12.278 INFO kablam!     |
Sep 06 07:25:12.278 INFO kablam! 112 |         let b32 = (&b[j..]).read_u32::<LittleEndian>().unwrap();
Sep 06 07:25:12.278 INFO kablam!     |             ^^^ help: consider using `_b32` instead
Sep 06 07:25:12.278 INFO kablam! 
Sep 06 07:25:12.278 INFO kablam! warning: unused variable: `a32`
Sep 06 07:25:12.278 INFO kablam!    --> src/lib.rs:125:13
Sep 06 07:25:12.278 INFO kablam!     |
Sep 06 07:25:12.278 INFO kablam! 125 |         let a32 = (&a[j..]).read_u32::<LittleEndian>().unwrap();
Sep 06 07:25:12.278 INFO kablam!     |             ^^^ help: consider using `_a32` instead
Sep 06 07:25:12.278 INFO kablam! 
Sep 06 07:25:12.279 INFO kablam! warning: unused variable: `b32`
Sep 06 07:25:12.279 INFO kablam!    --> src/lib.rs:126:13
Sep 06 07:25:12.279 INFO kablam!     |
Sep 06 07:25:12.279 INFO kablam! 126 |         let b32 = (&b[j..]).read_u32::<LittleEndian>().unwrap();
Sep 06 07:25:12.279 INFO kablam!     |             ^^^ help: consider using `_b32` instead
Sep 06 07:25:12.279 INFO kablam! 
Sep 06 07:25:12.279 INFO kablam! warning: unused variable: `n`
Sep 06 07:25:12.279 INFO kablam!    --> src/lib.rs:136:9
Sep 06 07:25:12.279 INFO kablam!     |
Sep 06 07:25:12.279 INFO kablam! 136 |     let n = a.len();
Sep 06 07:25:12.279 INFO kablam!     |         ^ help: consider using `_n` instead
Sep 06 07:25:12.279 INFO kablam! 
Sep 06 07:25:12.286 INFO kablam! warning: unused variable: `i`
Sep 06 07:25:12.286 INFO kablam!    --> src/lib.rs:307:9
Sep 06 07:25:12.286 INFO kablam!     |
Sep 06 07:25:12.286 INFO kablam! 307 |     for i in 0..epoch {
Sep 06 07:25:12.286 INFO kablam!     |         ^ help: consider using `_i` instead
Sep 06 07:25:12.286 INFO kablam! 
Sep 06 07:25:12.337 INFO kablam! warning: field is never used: `cache_size`
Sep 06 07:25:12.337 INFO kablam!   --> src/dag.rs:16:5
Sep 06 07:25:12.337 INFO kablam!    |
Sep 06 07:25:12.337 INFO kablam! 16 |     cache_size: usize,
Sep 06 07:25:12.337 INFO kablam!    |     ^^^^^^^^^^^^^^^^^
Sep 06 07:25:12.337 INFO kablam!    |
Sep 06 07:25:12.337 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 06 07:25:12.337 INFO kablam! 
Sep 06 07:25:12.337 INFO kablam! warning: constant item is never used: `CACHE_MULTIPLIER`
Sep 06 07:25:12.337 INFO kablam!   --> src/lib.rs:26:1
Sep 06 07:25:12.337 INFO kablam!    |
Sep 06 07:25:12.337 INFO kablam! 26 | const CACHE_MULTIPLIER: usize = 1024;
Sep 06 07:25:12.337 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 07:25:12.337 INFO kablam! 
Sep 06 07:25:12.337 INFO kablam! warning: constant item is never used: `FNV_PRIME`
Sep 06 07:25:12.337 INFO kablam!   --> src/lib.rs:99:1
Sep 06 07:25:12.337 INFO kablam!    |
Sep 06 07:25:12.337 INFO kablam! 99 | const FNV_PRIME: u32 = 0x01000193;
Sep 06 07:25:12.337 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 07:25:12.337 INFO kablam! 
Sep 06 07:25:12.337 INFO kablam! warning: function is never used: `u8s_to_u32`
Sep 06 07:25:12.337 INFO kablam!    --> src/lib.rs:135:1
Sep 06 07:25:12.337 INFO kablam!     |
Sep 06 07:25:12.337 INFO kablam! 135 | fn u8s_to_u32(a: &[u8]) -> u32 {
Sep 06 07:25:12.337 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 07:25:12.337 INFO kablam! 
Sep 06 07:25:12.342 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 06 07:25:12.342 INFO kablam!    --> src/lib.rs:114:9
Sep 06 07:25:12.342 INFO kablam!     |
Sep 06 07:25:12.342 INFO kablam! 114 | /         (&mut r[j..]).write_u32::<LittleEndian>(
Sep 06 07:25:12.342 INFO kablam! 115 | |             fnv((&a[j..]).read_u32::<LittleEndian>().unwrap(),
Sep 06 07:25:12.342 INFO kablam! 116 | |                 (&b[j..]).read_u32::<LittleEndian>().unwrap()));
Sep 06 07:25:12.342 INFO kablam!     | |________________________________________________________________^
Sep 06 07:25:12.342 INFO kablam!     |
Sep 06 07:25:12.342 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 06 07:25:12.342 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 06 07:25:12.342 INFO kablam! 
Sep 06 07:25:12.342 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 06 07:25:12.342 INFO kablam!    --> src/lib.rs:128:9
Sep 06 07:25:12.342 INFO kablam!     |
Sep 06 07:25:12.342 INFO kablam! 128 | /         (&mut r[j..]).write_u32::<LittleEndian>(
Sep 06 07:25:12.342 INFO kablam! 129 | |             fnv((&a[j..]).read_u32::<LittleEndian>().unwrap(),
Sep 06 07:25:12.342 INFO kablam! 130 | |                 (&b[j..]).read_u32::<LittleEndian>().unwrap()));
Sep 06 07:25:12.342 INFO kablam!     | |________________________________________________________________^
Sep 06 07:25:12.342 INFO kablam!     |
Sep 06 07:25:12.342 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 06 07:25:12.342 INFO kablam! 
Sep 06 07:25:12.342 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 06 07:25:12.342 INFO kablam!    --> src/lib.rs:152:5
Sep 06 07:25:12.342 INFO kablam!     |
Sep 06 07:25:12.342 INFO kablam! 152 |     mix.as_mut().write_u32::<LittleEndian>(mix_first32);
Sep 06 07:25:12.342 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 07:25:12.342 INFO kablam!     |
Sep 06 07:25:12.342 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 06 07:25:12.342 INFO kablam! 
Sep 06 07:25:12.342 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 06 07:25:12.342 INFO kablam!    --> src/lib.rs:230:9
Sep 06 07:25:12.342 INFO kablam!     |
Sep 06 07:25:12.342 INFO kablam! 230 |         (&mut cmix[j..]).write_u32::<LittleEndian>(c);
Sep 06 07:25:12.342 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 07:25:12.342 INFO kablam!     |
Sep 06 07:25:12.342 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 06 07:25:12.343 INFO kablam! 
Sep 06 07:25:12.650 INFO kablam! warning: unused import: `blockchain::chain::HeaderHash`
Sep 06 07:25:12.650 INFO kablam!   --> tests/headers.rs:13:5
Sep 06 07:25:12.650 INFO kablam!    |
Sep 06 07:25:12.650 INFO kablam! 13 | use blockchain::chain::HeaderHash;
Sep 06 07:25:12.650 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 07:25:12.650 INFO kablam!    |
Sep 06 07:25:12.650 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 06 07:25:12.650 INFO kablam! 
Sep 06 07:25:12.778 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 17.17s
Sep 06 07:25:12.783 INFO kablam! su: No module specific data is present
Sep 06 07:25:13.447 INFO running `"docker" "rm" "-f" "b6446e23e94cb493642631b27208dc87df33444537831c61d365e72edd412f9c"`
Sep 06 07:25:13.576 INFO blam! b6446e23e94cb493642631b27208dc87df33444537831c61d365e72edd412f9c