Sep 14 16:57:58.052 INFO checking ethash-0.3.1 against try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0 for pr-53578-1
Sep 14 16:57:58.052 INFO running: cargo +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets
Sep 14 16:57:58.053 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53578-1/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-0/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/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 +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 16:57:58.469 INFO blam! 28279208fd9fff1f20c6068348c3c0f1baa64563c48520bfe3cf6ceb6b8f9fe5
Sep 14 16:57:58.469 INFO running `"docker" "start" "-a" "28279208fd9fff1f20c6068348c3c0f1baa64563c48520bfe3cf6ceb6b8f9fe5"`
Sep 14 16:57:59.851 INFO kablam! usermod: no changes
Sep 14 16:57:59.935 INFO kablam!     Checking blockchain v0.1.9
Sep 14 16:57:59.935 INFO kablam!     Checking ethereum-rlp v0.2.3
Sep 14 16:57:59.936 INFO kablam!     Checking crypto-mac v0.4.0
Sep 14 16:58:00.134 INFO kablam!     Checking hmac v0.4.2
Sep 14 16:58:00.468 INFO kablam!     Checking hmac-drbg v0.1.2
Sep 14 16:58:00.723 INFO kablam!     Checking ethereum-bigint v0.2.9
Sep 14 16:58:00.819 INFO kablam!     Checking libsecp256k1 v0.1.14
Sep 14 16:58:02.600 INFO kablam!     Checking ethereum-trie v0.3.8
Sep 14 16:58:02.600 INFO kablam!     Checking ethereum-bloom v0.2.1
Sep 14 16:58:02.600 INFO kablam!     Checking ethereum-block-core v0.1.0
Sep 14 16:58:02.600 INFO kablam!     Checking ethash v0.3.1 (file:///source)
Sep 14 16:58:03.239 INFO kablam! warning: unused import: `H1024`
Sep 14 16:58:03.239 INFO kablam!   --> src/lib.rs:17:14
Sep 14 16:58:03.239 INFO kablam!    |
Sep 14 16:58:03.239 INFO kablam! 17 | use bigint::{H1024, U256, H256, H64, H512};
Sep 14 16:58:03.239 INFO kablam!    |              ^^^^^
Sep 14 16:58:03.239 INFO kablam!    |
Sep 14 16:58:03.239 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 14 16:58:03.239 INFO kablam! 
Sep 14 16:58:03.459 INFO kablam! warning: unused variable: `a32`
Sep 14 16:58:03.459 INFO kablam!    --> src/lib.rs:111:13
Sep 14 16:58:03.459 INFO kablam!     |
Sep 14 16:58:03.459 INFO kablam! 111 |         let a32 = (&a[j..]).read_u32::<LittleEndian>().unwrap();
Sep 14 16:58:03.459 INFO kablam!     |             ^^^ help: consider using `_a32` instead
Sep 14 16:58:03.459 INFO kablam!     |
Sep 14 16:58:03.459 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 14 16:58:03.459 INFO kablam! 
Sep 14 16:58:03.459 INFO kablam! warning: unused variable: `b32`
Sep 14 16:58:03.459 INFO kablam!    --> src/lib.rs:112:13
Sep 14 16:58:03.459 INFO kablam!     |
Sep 14 16:58:03.459 INFO kablam! 112 |         let b32 = (&b[j..]).read_u32::<LittleEndian>().unwrap();
Sep 14 16:58:03.459 INFO kablam!     |             ^^^ help: consider using `_b32` instead
Sep 14 16:58:03.459 INFO kablam! 
Sep 14 16:58:03.459 INFO kablam! warning: unused variable: `a32`
Sep 14 16:58:03.459 INFO kablam!    --> src/lib.rs:125:13
Sep 14 16:58:03.459 INFO kablam!     |
Sep 14 16:58:03.459 INFO kablam! 125 |         let a32 = (&a[j..]).read_u32::<LittleEndian>().unwrap();
Sep 14 16:58:03.459 INFO kablam!     |             ^^^ help: consider using `_a32` instead
Sep 14 16:58:03.459 INFO kablam! 
Sep 14 16:58:03.459 INFO kablam! warning: unused variable: `b32`
Sep 14 16:58:03.459 INFO kablam!    --> src/lib.rs:126:13
Sep 14 16:58:03.459 INFO kablam!     |
Sep 14 16:58:03.459 INFO kablam! 126 |         let b32 = (&b[j..]).read_u32::<LittleEndian>().unwrap();
Sep 14 16:58:03.459 INFO kablam!     |             ^^^ help: consider using `_b32` instead
Sep 14 16:58:03.459 INFO kablam! 
Sep 14 16:58:03.459 INFO kablam! warning: unused variable: `n`
Sep 14 16:58:03.459 INFO kablam!    --> src/lib.rs:136:9
Sep 14 16:58:03.459 INFO kablam!     |
Sep 14 16:58:03.459 INFO kablam! 136 |     let n = a.len();
Sep 14 16:58:03.459 INFO kablam!     |         ^ help: consider using `_n` instead
Sep 14 16:58:03.459 INFO kablam! 
Sep 14 16:58:03.459 INFO kablam! warning: unused variable: `i`
Sep 14 16:58:03.459 INFO kablam!    --> src/lib.rs:307:9
Sep 14 16:58:03.459 INFO kablam!     |
Sep 14 16:58:03.459 INFO kablam! 307 |     for i in 0..epoch {
Sep 14 16:58:03.459 INFO kablam!     |         ^ help: consider using `_i` instead
Sep 14 16:58:03.459 INFO kablam! 
Sep 14 16:58:03.519 INFO kablam! warning: field is never used: `cache_size`
Sep 14 16:58:03.519 INFO kablam!   --> src/dag.rs:16:5
Sep 14 16:58:03.519 INFO kablam!    |
Sep 14 16:58:03.519 INFO kablam! 16 |     cache_size: usize,
Sep 14 16:58:03.519 INFO kablam!    |     ^^^^^^^^^^^^^^^^^
Sep 14 16:58:03.519 INFO kablam!    |
Sep 14 16:58:03.519 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 14 16:58:03.519 INFO kablam! 
Sep 14 16:58:03.519 INFO kablam! warning: constant item is never used: `CACHE_MULTIPLIER`
Sep 14 16:58:03.519 INFO kablam!   --> src/lib.rs:26:1
Sep 14 16:58:03.519 INFO kablam!    |
Sep 14 16:58:03.519 INFO kablam! 26 | const CACHE_MULTIPLIER: usize = 1024;
Sep 14 16:58:03.519 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 14 16:58:03.519 INFO kablam! 
Sep 14 16:58:03.519 INFO kablam! warning: constant item is never used: `FNV_PRIME`
Sep 14 16:58:03.519 INFO kablam!   --> src/lib.rs:99:1
Sep 14 16:58:03.519 INFO kablam!    |
Sep 14 16:58:03.519 INFO kablam! 99 | const FNV_PRIME: u32 = 0x01000193;
Sep 14 16:58:03.519 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 14 16:58:03.519 INFO kablam! 
Sep 14 16:58:03.519 INFO kablam! warning: function is never used: `u8s_to_u32`
Sep 14 16:58:03.519 INFO kablam!    --> src/lib.rs:135:1
Sep 14 16:58:03.519 INFO kablam!     |
Sep 14 16:58:03.519 INFO kablam! 135 | fn u8s_to_u32(a: &[u8]) -> u32 {
Sep 14 16:58:03.519 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 14 16:58:03.519 INFO kablam! 
Sep 14 16:58:03.520 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 14 16:58:03.520 INFO kablam!    --> src/lib.rs:114:9
Sep 14 16:58:03.520 INFO kablam!     |
Sep 14 16:58:03.520 INFO kablam! 114 | /         (&mut r[j..]).write_u32::<LittleEndian>(
Sep 14 16:58:03.520 INFO kablam! 115 | |             fnv((&a[j..]).read_u32::<LittleEndian>().unwrap(),
Sep 14 16:58:03.520 INFO kablam! 116 | |                 (&b[j..]).read_u32::<LittleEndian>().unwrap()));
Sep 14 16:58:03.520 INFO kablam!     | |________________________________________________________________^
Sep 14 16:58:03.520 INFO kablam!     |
Sep 14 16:58:03.520 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 14 16:58:03.520 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 14 16:58:03.520 INFO kablam! 
Sep 14 16:58:03.520 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 14 16:58:03.520 INFO kablam!    --> src/lib.rs:128:9
Sep 14 16:58:03.520 INFO kablam!     |
Sep 14 16:58:03.520 INFO kablam! 128 | /         (&mut r[j..]).write_u32::<LittleEndian>(
Sep 14 16:58:03.520 INFO kablam! 129 | |             fnv((&a[j..]).read_u32::<LittleEndian>().unwrap(),
Sep 14 16:58:03.520 INFO kablam! 130 | |                 (&b[j..]).read_u32::<LittleEndian>().unwrap()));
Sep 14 16:58:03.520 INFO kablam!     | |________________________________________________________________^
Sep 14 16:58:03.520 INFO kablam!     |
Sep 14 16:58:03.520 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 14 16:58:03.520 INFO kablam! 
Sep 14 16:58:03.520 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 14 16:58:03.520 INFO kablam!    --> src/lib.rs:152:5
Sep 14 16:58:03.520 INFO kablam!     |
Sep 14 16:58:03.520 INFO kablam! 152 |     mix.as_mut().write_u32::<LittleEndian>(mix_first32);
Sep 14 16:58:03.520 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 14 16:58:03.520 INFO kablam!     |
Sep 14 16:58:03.521 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 14 16:58:03.521 INFO kablam! 
Sep 14 16:58:03.521 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 14 16:58:03.521 INFO kablam!    --> src/lib.rs:230:9
Sep 14 16:58:03.521 INFO kablam!     |
Sep 14 16:58:03.521 INFO kablam! 230 |         (&mut cmix[j..]).write_u32::<LittleEndian>(c);
Sep 14 16:58:03.521 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 14 16:58:03.521 INFO kablam!     |
Sep 14 16:58:03.521 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 14 16:58:03.521 INFO kablam! 
Sep 14 16:58:13.381 INFO kablam!     Checking ethereum-block v0.3.5
Sep 14 16:58:15.634 INFO kablam! warning: unused import: `H1024`
Sep 14 16:58:15.635 INFO kablam!   --> src/lib.rs:17:14
Sep 14 16:58:15.635 INFO kablam!    |
Sep 14 16:58:15.635 INFO kablam! 17 | use bigint::{H1024, U256, H256, H64, H512};
Sep 14 16:58:15.635 INFO kablam!    |              ^^^^^
Sep 14 16:58:15.651 INFO kablam!    |
Sep 14 16:58:15.651 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 14 16:58:15.652 INFO kablam! 
Sep 14 16:58:15.873 INFO kablam! warning: unused import: `blockchain::chain::HeaderHash`
Sep 14 16:58:15.873 INFO kablam!   --> tests/headers.rs:13:5
Sep 14 16:58:15.873 INFO kablam!    |
Sep 14 16:58:15.873 INFO kablam! 13 | use blockchain::chain::HeaderHash;
Sep 14 16:58:15.873 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 14 16:58:15.873 INFO kablam!    |
Sep 14 16:58:15.873 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 14 16:58:15.874 INFO kablam! 
Sep 14 16:58:16.122 INFO kablam! warning: unused variable: `a32`
Sep 14 16:58:16.122 INFO kablam!    --> src/lib.rs:111:13
Sep 14 16:58:16.122 INFO kablam!     |
Sep 14 16:58:16.122 INFO kablam! 111 |         let a32 = (&a[j..]).read_u32::<LittleEndian>().unwrap();
Sep 14 16:58:16.122 INFO kablam!     |             ^^^ help: consider using `_a32` instead
Sep 14 16:58:16.123 INFO kablam!     |
Sep 14 16:58:16.123 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 14 16:58:16.123 INFO kablam! 
Sep 14 16:58:16.124 INFO kablam! warning: unused variable: `b32`
Sep 14 16:58:16.124 INFO kablam!    --> src/lib.rs:112:13
Sep 14 16:58:16.124 INFO kablam!     |
Sep 14 16:58:16.124 INFO kablam! 112 |         let b32 = (&b[j..]).read_u32::<LittleEndian>().unwrap();
Sep 14 16:58:16.124 INFO kablam!     |             ^^^ help: consider using `_b32` instead
Sep 14 16:58:16.124 INFO kablam! 
Sep 14 16:58:16.125 INFO kablam! warning: unused variable: `a32`
Sep 14 16:58:16.125 INFO kablam!    --> src/lib.rs:125:13
Sep 14 16:58:16.125 INFO kablam!     |
Sep 14 16:58:16.125 INFO kablam! 125 |         let a32 = (&a[j..]).read_u32::<LittleEndian>().unwrap();
Sep 14 16:58:16.125 INFO kablam!     |             ^^^ help: consider using `_a32` instead
Sep 14 16:58:16.135 INFO kablam! 
Sep 14 16:58:16.135 INFO kablam! warning: unused variable: `b32`
Sep 14 16:58:16.135 INFO kablam!    --> src/lib.rs:126:13
Sep 14 16:58:16.135 INFO kablam!     |
Sep 14 16:58:16.135 INFO kablam! 126 |         let b32 = (&b[j..]).read_u32::<LittleEndian>().unwrap();
Sep 14 16:58:16.135 INFO kablam!     |             ^^^ help: consider using `_b32` instead
Sep 14 16:58:16.136 INFO kablam! 
Sep 14 16:58:16.136 INFO kablam! warning: unused variable: `n`
Sep 14 16:58:16.136 INFO kablam!    --> src/lib.rs:136:9
Sep 14 16:58:16.136 INFO kablam!     |
Sep 14 16:58:16.136 INFO kablam! 136 |     let n = a.len();
Sep 14 16:58:16.136 INFO kablam!     |         ^ help: consider using `_n` instead
Sep 14 16:58:16.136 INFO kablam! 
Sep 14 16:58:16.137 INFO kablam! warning: unused variable: `i`
Sep 14 16:58:16.137 INFO kablam!    --> src/lib.rs:307:9
Sep 14 16:58:16.137 INFO kablam!     |
Sep 14 16:58:16.137 INFO kablam! 307 |     for i in 0..epoch {
Sep 14 16:58:16.137 INFO kablam!     |         ^ help: consider using `_i` instead
Sep 14 16:58:16.138 INFO kablam! 
Sep 14 16:58:16.220 INFO kablam! warning: field is never used: `cache_size`
Sep 14 16:58:16.220 INFO kablam!   --> src/dag.rs:16:5
Sep 14 16:58:16.220 INFO kablam!    |
Sep 14 16:58:16.220 INFO kablam! 16 |     cache_size: usize,
Sep 14 16:58:16.220 INFO kablam!    |     ^^^^^^^^^^^^^^^^^
Sep 14 16:58:16.220 INFO kablam!    |
Sep 14 16:58:16.221 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 14 16:58:16.221 INFO kablam! 
Sep 14 16:58:16.221 INFO kablam! warning: constant item is never used: `CACHE_MULTIPLIER`
Sep 14 16:58:16.221 INFO kablam!   --> src/lib.rs:26:1
Sep 14 16:58:16.221 INFO kablam!    |
Sep 14 16:58:16.222 INFO kablam! 26 | const CACHE_MULTIPLIER: usize = 1024;
Sep 14 16:58:16.222 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 14 16:58:16.222 INFO kablam! 
Sep 14 16:58:16.222 INFO kablam! warning: constant item is never used: `FNV_PRIME`
Sep 14 16:58:16.222 INFO kablam!   --> src/lib.rs:99:1
Sep 14 16:58:16.222 INFO kablam!    |
Sep 14 16:58:16.222 INFO kablam! 99 | const FNV_PRIME: u32 = 0x01000193;
Sep 14 16:58:16.222 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 14 16:58:16.223 INFO kablam! 
Sep 14 16:58:16.223 INFO kablam! warning: function is never used: `u8s_to_u32`
Sep 14 16:58:16.223 INFO kablam!    --> src/lib.rs:135:1
Sep 14 16:58:16.223 INFO kablam!     |
Sep 14 16:58:16.223 INFO kablam! 135 | fn u8s_to_u32(a: &[u8]) -> u32 {
Sep 14 16:58:16.223 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 14 16:58:16.223 INFO kablam! 
Sep 14 16:58:16.228 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 14 16:58:16.228 INFO kablam!    --> src/lib.rs:114:9
Sep 14 16:58:16.228 INFO kablam!     |
Sep 14 16:58:16.228 INFO kablam! 114 | /         (&mut r[j..]).write_u32::<LittleEndian>(
Sep 14 16:58:16.228 INFO kablam! 115 | |             fnv((&a[j..]).read_u32::<LittleEndian>().unwrap(),
Sep 14 16:58:16.228 INFO kablam! 116 | |                 (&b[j..]).read_u32::<LittleEndian>().unwrap()));
Sep 14 16:58:16.228 INFO kablam!     | |________________________________________________________________^
Sep 14 16:58:16.229 INFO kablam!     |
Sep 14 16:58:16.229 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 14 16:58:16.229 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 14 16:58:16.229 INFO kablam! 
Sep 14 16:58:16.230 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 14 16:58:16.230 INFO kablam!    --> src/lib.rs:128:9
Sep 14 16:58:16.230 INFO kablam!     |
Sep 14 16:58:16.230 INFO kablam! 128 | /         (&mut r[j..]).write_u32::<LittleEndian>(
Sep 14 16:58:16.230 INFO kablam! 129 | |             fnv((&a[j..]).read_u32::<LittleEndian>().unwrap(),
Sep 14 16:58:16.230 INFO kablam! 130 | |                 (&b[j..]).read_u32::<LittleEndian>().unwrap()));
Sep 14 16:58:16.230 INFO kablam!     | |________________________________________________________________^
Sep 14 16:58:16.230 INFO kablam!     |
Sep 14 16:58:16.231 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 14 16:58:16.231 INFO kablam! 
Sep 14 16:58:16.232 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 14 16:58:16.232 INFO kablam!    --> src/lib.rs:152:5
Sep 14 16:58:16.232 INFO kablam!     |
Sep 14 16:58:16.232 INFO kablam! 152 |     mix.as_mut().write_u32::<LittleEndian>(mix_first32);
Sep 14 16:58:16.232 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 14 16:58:16.232 INFO kablam!     |
Sep 14 16:58:16.232 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 14 16:58:16.233 INFO kablam! 
Sep 14 16:58:16.234 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 14 16:58:16.234 INFO kablam!    --> src/lib.rs:230:9
Sep 14 16:58:16.234 INFO kablam!     |
Sep 14 16:58:16.234 INFO kablam! 230 |         (&mut cmix[j..]).write_u32::<LittleEndian>(c);
Sep 14 16:58:16.234 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 14 16:58:16.235 INFO kablam!     |
Sep 14 16:58:16.235 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 14 16:58:16.235 INFO kablam! 
Sep 14 16:58:16.285 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 16.41s
Sep 14 16:58:16.290 INFO kablam! su: No module specific data is present
Sep 14 16:58:18.193 INFO running `"docker" "rm" "-f" "28279208fd9fff1f20c6068348c3c0f1baa64563c48520bfe3cf6ceb6b8f9fe5"`
Sep 14 16:58:18.351 INFO blam! 28279208fd9fff1f20c6068348c3c0f1baa64563c48520bfe3cf6ceb6b8f9fe5