Aug 30 18:46:02.534 INFO checking ethash-0.3.1 against try#2d477f9981361618ac78253c28051a66b6cea125 for pr-53707
Aug 30 18:46:02.534 INFO running: cargo +2d477f9981361618ac78253c28051a66b6cea125-alt check --frozen --all --all-targets
Aug 30 18:46:02.535 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53707/try#2d477f9981361618ac78253c28051a66b6cea125:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53707/worker-1/try#2d477f9981361618ac78253c28051a66b6cea125:/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 +2d477f9981361618ac78253c28051a66b6cea125-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 18:46:02.731 INFO blam! 1fca606e030e8f0ac5a71007b3a96f63b788f04468cec0d68f2ca8c5e4a5d02e
Aug 30 18:46:02.733 INFO running `"docker" "start" "-a" "1fca606e030e8f0ac5a71007b3a96f63b788f04468cec0d68f2ca8c5e4a5d02e"`
Aug 30 18:46:03.454 INFO kablam!     Checking blockchain v0.1.9
Aug 30 18:46:03.454 INFO kablam!     Checking ethereum-rlp v0.2.3
Aug 30 18:46:04.873 INFO kablam!     Checking ethereum-bigint v0.2.9
Aug 30 18:46:08.547 INFO kablam!     Checking ethereum-block-core v0.1.0
Aug 30 18:46:08.548 INFO kablam!     Checking ethereum-bloom v0.2.1
Aug 30 18:46:08.549 INFO kablam!     Checking ethereum-trie v0.3.8
Aug 30 18:46:08.549 INFO kablam!     Checking ethash v0.3.1 (file:///source)
Aug 30 18:46:11.473 INFO kablam! warning: unused import: `H1024`
Aug 30 18:46:11.473 INFO kablam!   --> src/lib.rs:17:14
Aug 30 18:46:11.473 INFO kablam!    |
Aug 30 18:46:11.473 INFO kablam! 17 | use bigint::{H1024, U256, H256, H64, H512};
Aug 30 18:46:11.473 INFO kablam!    |              ^^^^^
Aug 30 18:46:11.473 INFO kablam!    |
Aug 30 18:46:11.473 INFO kablam!    = note: #[warn(unused_imports)] on by default
Aug 30 18:46:11.473 INFO kablam! 
Aug 30 18:46:12.199 INFO kablam! warning: unused variable: `a32`
Aug 30 18:46:12.199 INFO kablam!    --> src/lib.rs:111:13
Aug 30 18:46:12.199 INFO kablam!     |
Aug 30 18:46:12.199 INFO kablam! 111 |         let a32 = (&a[j..]).read_u32::<LittleEndian>().unwrap();
Aug 30 18:46:12.199 INFO kablam!     |             ^^^ help: consider using `_a32` instead
Aug 30 18:46:12.199 INFO kablam!     |
Aug 30 18:46:12.199 INFO kablam!     = note: #[warn(unused_variables)] on by default
Aug 30 18:46:12.199 INFO kablam! 
Aug 30 18:46:12.200 INFO kablam! warning: unused variable: `b32`
Aug 30 18:46:12.200 INFO kablam!    --> src/lib.rs:112:13
Aug 30 18:46:12.200 INFO kablam!     |
Aug 30 18:46:12.200 INFO kablam! 112 |         let b32 = (&b[j..]).read_u32::<LittleEndian>().unwrap();
Aug 30 18:46:12.200 INFO kablam!     |             ^^^ help: consider using `_b32` instead
Aug 30 18:46:12.200 INFO kablam! 
Aug 30 18:46:12.200 INFO kablam! warning: unused variable: `a32`
Aug 30 18:46:12.200 INFO kablam!    --> src/lib.rs:125:13
Aug 30 18:46:12.200 INFO kablam!     |
Aug 30 18:46:12.200 INFO kablam! 125 |         let a32 = (&a[j..]).read_u32::<LittleEndian>().unwrap();
Aug 30 18:46:12.200 INFO kablam!     |             ^^^ help: consider using `_a32` instead
Aug 30 18:46:12.201 INFO kablam! 
Aug 30 18:46:12.201 INFO kablam! warning: unused variable: `b32`
Aug 30 18:46:12.201 INFO kablam!    --> src/lib.rs:126:13
Aug 30 18:46:12.201 INFO kablam!     |
Aug 30 18:46:12.201 INFO kablam! 126 |         let b32 = (&b[j..]).read_u32::<LittleEndian>().unwrap();
Aug 30 18:46:12.201 INFO kablam!     |             ^^^ help: consider using `_b32` instead
Aug 30 18:46:12.201 INFO kablam! 
Aug 30 18:46:12.201 INFO kablam! warning: unused variable: `n`
Aug 30 18:46:12.201 INFO kablam!    --> src/lib.rs:136:9
Aug 30 18:46:12.201 INFO kablam!     |
Aug 30 18:46:12.201 INFO kablam! 136 |     let n = a.len();
Aug 30 18:46:12.201 INFO kablam!     |         ^ help: consider using `_n` instead
Aug 30 18:46:12.201 INFO kablam! 
Aug 30 18:46:12.201 INFO kablam! warning: unused variable: `i`
Aug 30 18:46:12.201 INFO kablam!    --> src/lib.rs:307:9
Aug 30 18:46:12.201 INFO kablam!     |
Aug 30 18:46:12.201 INFO kablam! 307 |     for i in 0..epoch {
Aug 30 18:46:12.201 INFO kablam!     |         ^ help: consider using `_i` instead
Aug 30 18:46:12.201 INFO kablam! 
Aug 30 18:46:12.293 INFO kablam! warning: field is never used: `cache_size`
Aug 30 18:46:12.293 INFO kablam!   --> src/dag.rs:16:5
Aug 30 18:46:12.293 INFO kablam!    |
Aug 30 18:46:12.293 INFO kablam! 16 |     cache_size: usize,
Aug 30 18:46:12.293 INFO kablam!    |     ^^^^^^^^^^^^^^^^^
Aug 30 18:46:12.293 INFO kablam!    |
Aug 30 18:46:12.293 INFO kablam!    = note: #[warn(dead_code)] on by default
Aug 30 18:46:12.293 INFO kablam! 
Aug 30 18:46:12.294 INFO kablam! warning: constant item is never used: `CACHE_MULTIPLIER`
Aug 30 18:46:12.294 INFO kablam!   --> src/lib.rs:26:1
Aug 30 18:46:12.294 INFO kablam!    |
Aug 30 18:46:12.294 INFO kablam! 26 | const CACHE_MULTIPLIER: usize = 1024;
Aug 30 18:46:12.294 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 30 18:46:12.294 INFO kablam! 
Aug 30 18:46:12.294 INFO kablam! warning: constant item is never used: `FNV_PRIME`
Aug 30 18:46:12.294 INFO kablam!   --> src/lib.rs:99:1
Aug 30 18:46:12.294 INFO kablam!    |
Aug 30 18:46:12.294 INFO kablam! 99 | const FNV_PRIME: u32 = 0x01000193;
Aug 30 18:46:12.294 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 30 18:46:12.294 INFO kablam! 
Aug 30 18:46:12.294 INFO kablam! warning: function is never used: `u8s_to_u32`
Aug 30 18:46:12.294 INFO kablam!    --> src/lib.rs:135:1
Aug 30 18:46:12.294 INFO kablam!     |
Aug 30 18:46:12.294 INFO kablam! 135 | fn u8s_to_u32(a: &[u8]) -> u32 {
Aug 30 18:46:12.294 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 30 18:46:12.294 INFO kablam! 
Aug 30 18:46:12.301 INFO kablam! warning: unused `std::result::Result` which must be used
Aug 30 18:46:12.301 INFO kablam!    --> src/lib.rs:114:9
Aug 30 18:46:12.301 INFO kablam!     |
Aug 30 18:46:12.301 INFO kablam! 114 | /         (&mut r[j..]).write_u32::<LittleEndian>(
Aug 30 18:46:12.301 INFO kablam! 115 | |             fnv((&a[j..]).read_u32::<LittleEndian>().unwrap(),
Aug 30 18:46:12.301 INFO kablam! 116 | |                 (&b[j..]).read_u32::<LittleEndian>().unwrap()));
Aug 30 18:46:12.301 INFO kablam!     | |________________________________________________________________^
Aug 30 18:46:12.301 INFO kablam!     |
Aug 30 18:46:12.301 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Aug 30 18:46:12.301 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Aug 30 18:46:12.301 INFO kablam! 
Aug 30 18:46:12.302 INFO kablam! warning: unused `std::result::Result` which must be used
Aug 30 18:46:12.302 INFO kablam!    --> src/lib.rs:128:9
Aug 30 18:46:12.302 INFO kablam!     |
Aug 30 18:46:12.302 INFO kablam! 128 | /         (&mut r[j..]).write_u32::<LittleEndian>(
Aug 30 18:46:12.302 INFO kablam! 129 | |             fnv((&a[j..]).read_u32::<LittleEndian>().unwrap(),
Aug 30 18:46:12.302 INFO kablam! 130 | |                 (&b[j..]).read_u32::<LittleEndian>().unwrap()));
Aug 30 18:46:12.302 INFO kablam!     | |________________________________________________________________^
Aug 30 18:46:12.302 INFO kablam!     |
Aug 30 18:46:12.302 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Aug 30 18:46:12.302 INFO kablam! 
Aug 30 18:46:12.302 INFO kablam! warning: unused `std::result::Result` which must be used
Aug 30 18:46:12.302 INFO kablam!    --> src/lib.rs:152:5
Aug 30 18:46:12.302 INFO kablam!     |
Aug 30 18:46:12.302 INFO kablam! 152 |     mix.as_mut().write_u32::<LittleEndian>(mix_first32);
Aug 30 18:46:12.303 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 30 18:46:12.303 INFO kablam!     |
Aug 30 18:46:12.303 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Aug 30 18:46:12.303 INFO kablam! 
Aug 30 18:46:12.303 INFO kablam! warning: unused `std::result::Result` which must be used
Aug 30 18:46:12.303 INFO kablam!    --> src/lib.rs:230:9
Aug 30 18:46:12.303 INFO kablam!     |
Aug 30 18:46:12.303 INFO kablam! 230 |         (&mut cmix[j..]).write_u32::<LittleEndian>(c);
Aug 30 18:46:12.303 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 30 18:46:12.303 INFO kablam!     |
Aug 30 18:46:12.303 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Aug 30 18:46:12.303 INFO kablam! 
Aug 30 18:46:12.905 INFO kablam!     Checking ethereum-block v0.3.5
Aug 30 18:46:16.423 INFO kablam! warning: unused import: `H1024`
Aug 30 18:46:16.423 INFO kablam!   --> src/lib.rs:17:14
Aug 30 18:46:16.423 INFO kablam!    |
Aug 30 18:46:16.423 INFO kablam! 17 | use bigint::{H1024, U256, H256, H64, H512};
Aug 30 18:46:16.423 INFO kablam!    |              ^^^^^
Aug 30 18:46:16.423 INFO kablam!    |
Aug 30 18:46:16.423 INFO kablam!    = note: #[warn(unused_imports)] on by default
Aug 30 18:46:16.423 INFO kablam! 
Aug 30 18:46:16.867 INFO kablam! warning: unused variable: `a32`
Aug 30 18:46:16.867 INFO kablam!    --> src/lib.rs:111:13
Aug 30 18:46:16.867 INFO kablam!     |
Aug 30 18:46:16.867 INFO kablam! 111 |         let a32 = (&a[j..]).read_u32::<LittleEndian>().unwrap();
Aug 30 18:46:16.867 INFO kablam!     |             ^^^ help: consider using `_a32` instead
Aug 30 18:46:16.867 INFO kablam!     |
Aug 30 18:46:16.867 INFO kablam!     = note: #[warn(unused_variables)] on by default
Aug 30 18:46:16.867 INFO kablam! 
Aug 30 18:46:16.868 INFO kablam! warning: unused variable: `b32`
Aug 30 18:46:16.868 INFO kablam!    --> src/lib.rs:112:13
Aug 30 18:46:16.868 INFO kablam!     |
Aug 30 18:46:16.868 INFO kablam! 112 |         let b32 = (&b[j..]).read_u32::<LittleEndian>().unwrap();
Aug 30 18:46:16.868 INFO kablam!     |             ^^^ help: consider using `_b32` instead
Aug 30 18:46:16.868 INFO kablam! 
Aug 30 18:46:16.868 INFO kablam! warning: unused variable: `a32`
Aug 30 18:46:16.869 INFO kablam!    --> src/lib.rs:125:13
Aug 30 18:46:16.869 INFO kablam!     |
Aug 30 18:46:16.869 INFO kablam! 125 |         let a32 = (&a[j..]).read_u32::<LittleEndian>().unwrap();
Aug 30 18:46:16.869 INFO kablam!     |             ^^^ help: consider using `_a32` instead
Aug 30 18:46:16.869 INFO kablam! 
Aug 30 18:46:16.869 INFO kablam! warning: unused variable: `b32`
Aug 30 18:46:16.869 INFO kablam!    --> src/lib.rs:126:13
Aug 30 18:46:16.869 INFO kablam!     |
Aug 30 18:46:16.869 INFO kablam! 126 |         let b32 = (&b[j..]).read_u32::<LittleEndian>().unwrap();
Aug 30 18:46:16.869 INFO kablam!     |             ^^^ help: consider using `_b32` instead
Aug 30 18:46:16.869 INFO kablam! 
Aug 30 18:46:16.869 INFO kablam! warning: unused variable: `n`
Aug 30 18:46:16.869 INFO kablam!    --> src/lib.rs:136:9
Aug 30 18:46:16.869 INFO kablam!     |
Aug 30 18:46:16.869 INFO kablam! 136 |     let n = a.len();
Aug 30 18:46:16.869 INFO kablam!     |         ^ help: consider using `_n` instead
Aug 30 18:46:16.869 INFO kablam! 
Aug 30 18:46:16.869 INFO kablam! warning: unused variable: `i`
Aug 30 18:46:16.869 INFO kablam!    --> src/lib.rs:307:9
Aug 30 18:46:16.869 INFO kablam!     |
Aug 30 18:46:16.869 INFO kablam! 307 |     for i in 0..epoch {
Aug 30 18:46:16.869 INFO kablam!     |         ^ help: consider using `_i` instead
Aug 30 18:46:16.869 INFO kablam! 
Aug 30 18:46:16.942 INFO kablam! warning: field is never used: `cache_size`
Aug 30 18:46:16.942 INFO kablam!   --> src/dag.rs:16:5
Aug 30 18:46:16.942 INFO kablam!    |
Aug 30 18:46:16.942 INFO kablam! 16 |     cache_size: usize,
Aug 30 18:46:16.942 INFO kablam!    |     ^^^^^^^^^^^^^^^^^
Aug 30 18:46:16.942 INFO kablam!    |
Aug 30 18:46:16.942 INFO kablam!    = note: #[warn(dead_code)] on by default
Aug 30 18:46:16.942 INFO kablam! 
Aug 30 18:46:16.943 INFO kablam! warning: constant item is never used: `CACHE_MULTIPLIER`
Aug 30 18:46:16.943 INFO kablam!   --> src/lib.rs:26:1
Aug 30 18:46:16.943 INFO kablam!    |
Aug 30 18:46:16.943 INFO kablam! 26 | const CACHE_MULTIPLIER: usize = 1024;
Aug 30 18:46:16.943 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 30 18:46:16.943 INFO kablam! 
Aug 30 18:46:16.943 INFO kablam! warning: constant item is never used: `FNV_PRIME`
Aug 30 18:46:16.943 INFO kablam!   --> src/lib.rs:99:1
Aug 30 18:46:16.943 INFO kablam!    |
Aug 30 18:46:16.943 INFO kablam! 99 | const FNV_PRIME: u32 = 0x01000193;
Aug 30 18:46:16.943 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 30 18:46:16.943 INFO kablam! 
Aug 30 18:46:16.943 INFO kablam! warning: function is never used: `u8s_to_u32`
Aug 30 18:46:16.943 INFO kablam!    --> src/lib.rs:135:1
Aug 30 18:46:16.943 INFO kablam!     |
Aug 30 18:46:16.943 INFO kablam! 135 | fn u8s_to_u32(a: &[u8]) -> u32 {
Aug 30 18:46:16.943 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 30 18:46:16.943 INFO kablam! 
Aug 30 18:46:16.948 INFO kablam! warning: unused `std::result::Result` which must be used
Aug 30 18:46:16.948 INFO kablam!    --> src/lib.rs:114:9
Aug 30 18:46:16.948 INFO kablam!     |
Aug 30 18:46:16.948 INFO kablam! 114 | /         (&mut r[j..]).write_u32::<LittleEndian>(
Aug 30 18:46:16.948 INFO kablam! 115 | |             fnv((&a[j..]).read_u32::<LittleEndian>().unwrap(),
Aug 30 18:46:16.948 INFO kablam! 116 | |                 (&b[j..]).read_u32::<LittleEndian>().unwrap()));
Aug 30 18:46:16.948 INFO kablam!     | |________________________________________________________________^
Aug 30 18:46:16.949 INFO kablam!     |
Aug 30 18:46:16.949 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Aug 30 18:46:16.949 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Aug 30 18:46:16.949 INFO kablam! 
Aug 30 18:46:16.949 INFO kablam! warning: unused `std::result::Result` which must be used
Aug 30 18:46:16.949 INFO kablam!    --> src/lib.rs:128:9
Aug 30 18:46:16.949 INFO kablam!     |
Aug 30 18:46:16.949 INFO kablam! 128 | /         (&mut r[j..]).write_u32::<LittleEndian>(
Aug 30 18:46:16.949 INFO kablam! 129 | |             fnv((&a[j..]).read_u32::<LittleEndian>().unwrap(),
Aug 30 18:46:16.949 INFO kablam! 130 | |                 (&b[j..]).read_u32::<LittleEndian>().unwrap()));
Aug 30 18:46:16.949 INFO kablam!     | |________________________________________________________________^
Aug 30 18:46:16.949 INFO kablam!     |
Aug 30 18:46:16.949 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Aug 30 18:46:16.949 INFO kablam! 
Aug 30 18:46:16.950 INFO kablam! warning: unused `std::result::Result` which must be used
Aug 30 18:46:16.950 INFO kablam!    --> src/lib.rs:152:5
Aug 30 18:46:16.950 INFO kablam!     |
Aug 30 18:46:16.950 INFO kablam! 152 |     mix.as_mut().write_u32::<LittleEndian>(mix_first32);
Aug 30 18:46:16.950 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 30 18:46:16.950 INFO kablam!     |
Aug 30 18:46:16.950 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Aug 30 18:46:16.950 INFO kablam! 
Aug 30 18:46:16.950 INFO kablam! warning: unused `std::result::Result` which must be used
Aug 30 18:46:16.950 INFO kablam!    --> src/lib.rs:230:9
Aug 30 18:46:16.950 INFO kablam!     |
Aug 30 18:46:16.950 INFO kablam! 230 |         (&mut cmix[j..]).write_u32::<LittleEndian>(c);
Aug 30 18:46:16.950 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 30 18:46:16.950 INFO kablam!     |
Aug 30 18:46:16.950 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Aug 30 18:46:16.950 INFO kablam! 
Aug 30 18:46:17.339 INFO kablam! warning: unused import: `blockchain::chain::HeaderHash`
Aug 30 18:46:17.339 INFO kablam!   --> tests/headers.rs:13:5
Aug 30 18:46:17.339 INFO kablam!    |
Aug 30 18:46:17.339 INFO kablam! 13 | use blockchain::chain::HeaderHash;
Aug 30 18:46:17.339 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 30 18:46:17.339 INFO kablam!    |
Aug 30 18:46:17.339 INFO kablam!    = note: #[warn(unused_imports)] on by default
Aug 30 18:46:17.339 INFO kablam! 
Aug 30 18:46:17.489 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 14.11s
Aug 30 18:46:17.494 INFO kablam! su: No module specific data is present
Aug 30 18:46:17.919 INFO running `"docker" "rm" "-f" "1fca606e030e8f0ac5a71007b3a96f63b788f04468cec0d68f2ca8c5e4a5d02e"`
Aug 30 18:46:18.022 INFO blam! 1fca606e030e8f0ac5a71007b3a96f63b788f04468cec0d68f2ca8c5e4a5d02e