Oct 13 15:35:01.669 INFO checking ethash-0.3.1 against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 13 15:35:01.669 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-0/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 13 15:35:01.962 INFO blam! 9152512eca8ab8c3497ee9cfea840cb81db8443f578ce4ff307efdd7c86336ab
Oct 13 15:35:01.964 INFO running `"docker" "start" "-a" "9152512eca8ab8c3497ee9cfea840cb81db8443f578ce4ff307efdd7c86336ab"`
Oct 13 15:35:02.840 INFO kablam! usermod: no changes
Oct 13 15:35:02.948 INFO kablam!     Checking blockchain v0.1.9
Oct 13 15:35:02.959 INFO kablam!     Checking ethereum-rlp v0.2.3
Oct 13 15:35:04.696 INFO kablam!     Checking ethereum-bigint v0.2.9
Oct 13 15:35:07.577 INFO kablam!     Checking ethereum-bloom v0.2.1
Oct 13 15:35:07.578 INFO kablam!     Checking ethereum-trie v0.3.8
Oct 13 15:35:07.578 INFO kablam!     Checking ethereum-block-core v0.1.0
Oct 13 15:35:07.578 INFO kablam!     Checking ethash v0.3.1 (/source)
Oct 13 15:35:11.476 INFO kablam! warning: unused import: `H1024`
Oct 13 15:35:11.477 INFO kablam!   --> src/lib.rs:17:14
Oct 13 15:35:11.478 INFO kablam!    |
Oct 13 15:35:11.478 INFO kablam! 17 | use bigint::{H1024, U256, H256, H64, H512};
Oct 13 15:35:11.479 INFO kablam!    |              ^^^^^
Oct 13 15:35:11.480 INFO kablam!    |
Oct 13 15:35:11.480 INFO kablam!    = note: #[warn(unused_imports)] on by default
Oct 13 15:35:11.481 INFO kablam! 
Oct 13 15:35:12.100 INFO kablam! warning: unused variable: `a32`
Oct 13 15:35:12.101 INFO kablam!    --> src/lib.rs:111:13
Oct 13 15:35:12.102 INFO kablam!     |
Oct 13 15:35:12.102 INFO kablam! 111 |         let a32 = (&a[j..]).read_u32::<LittleEndian>().unwrap();
Oct 13 15:35:12.103 INFO kablam!     |             ^^^ help: consider using `_a32` instead
Oct 13 15:35:12.104 INFO kablam!     |
Oct 13 15:35:12.104 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 13 15:35:12.105 INFO kablam! 
Oct 13 15:35:12.106 INFO kablam! warning: unused variable: `b32`
Oct 13 15:35:12.107 INFO kablam!    --> src/lib.rs:112:13
Oct 13 15:35:12.107 INFO kablam!     |
Oct 13 15:35:12.108 INFO kablam! 112 |         let b32 = (&b[j..]).read_u32::<LittleEndian>().unwrap();
Oct 13 15:35:12.108 INFO kablam!     |             ^^^ help: consider using `_b32` instead
Oct 13 15:35:12.109 INFO kablam! 
Oct 13 15:35:12.110 INFO kablam! warning: unused variable: `a32`
Oct 13 15:35:12.110 INFO kablam!    --> src/lib.rs:125:13
Oct 13 15:35:12.111 INFO kablam!     |
Oct 13 15:35:12.112 INFO kablam! 125 |         let a32 = (&a[j..]).read_u32::<LittleEndian>().unwrap();
Oct 13 15:35:12.112 INFO kablam!     |             ^^^ help: consider using `_a32` instead
Oct 13 15:35:12.113 INFO kablam! 
Oct 13 15:35:12.114 INFO kablam! warning: unused variable: `b32`
Oct 13 15:35:12.114 INFO kablam!    --> src/lib.rs:126:13
Oct 13 15:35:12.115 INFO kablam!     |
Oct 13 15:35:12.115 INFO kablam! 126 |         let b32 = (&b[j..]).read_u32::<LittleEndian>().unwrap();
Oct 13 15:35:12.116 INFO kablam!     |             ^^^ help: consider using `_b32` instead
Oct 13 15:35:12.117 INFO kablam! 
Oct 13 15:35:12.117 INFO kablam! warning: unused variable: `n`
Oct 13 15:35:12.118 INFO kablam!    --> src/lib.rs:136:9
Oct 13 15:35:12.119 INFO kablam!     |
Oct 13 15:35:12.119 INFO kablam! 136 |     let n = a.len();
Oct 13 15:35:12.120 INFO kablam!     |         ^ help: consider using `_n` instead
Oct 13 15:35:12.132 INFO kablam! 
Oct 13 15:35:12.133 INFO kablam! warning: unused variable: `i`
Oct 13 15:35:12.134 INFO kablam!    --> src/lib.rs:307:9
Oct 13 15:35:12.134 INFO kablam!     |
Oct 13 15:35:12.135 INFO kablam! 307 |     for i in 0..epoch {
Oct 13 15:35:12.136 INFO kablam!     |         ^ help: consider using `_i` instead
Oct 13 15:35:12.136 INFO kablam! 
Oct 13 15:35:12.274 INFO kablam! warning: field is never used: `cache_size`
Oct 13 15:35:12.274 INFO kablam!   --> src/dag.rs:16:5
Oct 13 15:35:12.274 INFO kablam!    |
Oct 13 15:35:12.274 INFO kablam! 16 |     cache_size: usize,
Oct 13 15:35:12.274 INFO kablam!    |     ^^^^^^^^^^^^^^^^^
Oct 13 15:35:12.274 INFO kablam!    |
Oct 13 15:35:12.274 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 13 15:35:12.274 INFO kablam! 
Oct 13 15:35:12.274 INFO kablam! warning: constant item is never used: `CACHE_MULTIPLIER`
Oct 13 15:35:12.274 INFO kablam!   --> src/lib.rs:26:1
Oct 13 15:35:12.274 INFO kablam!    |
Oct 13 15:35:12.274 INFO kablam! 26 | const CACHE_MULTIPLIER: usize = 1024;
Oct 13 15:35:12.274 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 15:35:12.274 INFO kablam! 
Oct 13 15:35:12.274 INFO kablam! warning: constant item is never used: `FNV_PRIME`
Oct 13 15:35:12.274 INFO kablam!   --> src/lib.rs:99:1
Oct 13 15:35:12.274 INFO kablam!    |
Oct 13 15:35:12.274 INFO kablam! 99 | const FNV_PRIME: u32 = 0x01000193;
Oct 13 15:35:12.274 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 15:35:12.274 INFO kablam! 
Oct 13 15:35:12.275 INFO kablam! warning: function is never used: `u8s_to_u32`
Oct 13 15:35:12.276 INFO kablam!    --> src/lib.rs:135:1
Oct 13 15:35:12.276 INFO kablam!     |
Oct 13 15:35:12.276 INFO kablam! 135 | fn u8s_to_u32(a: &[u8]) -> u32 {
Oct 13 15:35:12.276 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 15:35:12.277 INFO kablam! 
Oct 13 15:35:12.288 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 15:35:12.288 INFO kablam!    --> src/lib.rs:114:9
Oct 13 15:35:12.288 INFO kablam!     |
Oct 13 15:35:12.288 INFO kablam! 114 | /         (&mut r[j..]).write_u32::<LittleEndian>(
Oct 13 15:35:12.288 INFO kablam! 115 | |             fnv((&a[j..]).read_u32::<LittleEndian>().unwrap(),
Oct 13 15:35:12.288 INFO kablam! 116 | |                 (&b[j..]).read_u32::<LittleEndian>().unwrap()));
Oct 13 15:35:12.289 INFO kablam!     | |________________________________________________________________^
Oct 13 15:35:12.289 INFO kablam!     |
Oct 13 15:35:12.289 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 13 15:35:12.289 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 15:35:12.289 INFO kablam! 
Oct 13 15:35:12.289 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 15:35:12.290 INFO kablam!    --> src/lib.rs:128:9
Oct 13 15:35:12.290 INFO kablam!     |
Oct 13 15:35:12.290 INFO kablam! 128 | /         (&mut r[j..]).write_u32::<LittleEndian>(
Oct 13 15:35:12.290 INFO kablam! 129 | |             fnv((&a[j..]).read_u32::<LittleEndian>().unwrap(),
Oct 13 15:35:12.290 INFO kablam! 130 | |                 (&b[j..]).read_u32::<LittleEndian>().unwrap()));
Oct 13 15:35:12.290 INFO kablam!     | |________________________________________________________________^
Oct 13 15:35:12.290 INFO kablam!     |
Oct 13 15:35:12.290 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 15:35:12.290 INFO kablam! 
Oct 13 15:35:12.291 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 15:35:12.291 INFO kablam!    --> src/lib.rs:152:5
Oct 13 15:35:12.291 INFO kablam!     |
Oct 13 15:35:12.291 INFO kablam! 152 |     mix.as_mut().write_u32::<LittleEndian>(mix_first32);
Oct 13 15:35:12.291 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 15:35:12.291 INFO kablam!     |
Oct 13 15:35:12.292 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 15:35:12.292 INFO kablam! 
Oct 13 15:35:12.293 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 15:35:12.293 INFO kablam!    --> src/lib.rs:230:9
Oct 13 15:35:12.293 INFO kablam!     |
Oct 13 15:35:12.293 INFO kablam! 230 |         (&mut cmix[j..]).write_u32::<LittleEndian>(c);
Oct 13 15:35:12.293 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 15:35:12.293 INFO kablam!     |
Oct 13 15:35:12.293 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 15:35:12.293 INFO kablam! 
Oct 13 15:35:13.047 INFO kablam!     Checking ethereum-block v0.3.5
Oct 13 15:35:18.644 INFO kablam! warning: unused import: `H1024`
Oct 13 15:35:18.645 INFO kablam!   --> src/lib.rs:17:14
Oct 13 15:35:18.645 INFO kablam!    |
Oct 13 15:35:18.645 INFO kablam! 17 | use bigint::{H1024, U256, H256, H64, H512};
Oct 13 15:35:18.645 INFO kablam!    |              ^^^^^
Oct 13 15:35:18.646 INFO kablam!    |
Oct 13 15:35:18.646 INFO kablam!    = note: #[warn(unused_imports)] on by default
Oct 13 15:35:18.646 INFO kablam! 
Oct 13 15:35:18.978 INFO kablam! warning: unused variable: `a32`
Oct 13 15:35:18.978 INFO kablam!    --> src/lib.rs:111:13
Oct 13 15:35:18.978 INFO kablam!     |
Oct 13 15:35:18.978 INFO kablam! 111 |         let a32 = (&a[j..]).read_u32::<LittleEndian>().unwrap();
Oct 13 15:35:18.978 INFO kablam!     |             ^^^ help: consider using `_a32` instead
Oct 13 15:35:18.978 INFO kablam!     |
Oct 13 15:35:18.988 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 13 15:35:18.988 INFO kablam! 
Oct 13 15:35:18.988 INFO kablam! warning: unused variable: `b32`
Oct 13 15:35:18.988 INFO kablam!    --> src/lib.rs:112:13
Oct 13 15:35:18.988 INFO kablam!     |
Oct 13 15:35:18.988 INFO kablam! 112 |         let b32 = (&b[j..]).read_u32::<LittleEndian>().unwrap();
Oct 13 15:35:18.988 INFO kablam!     |             ^^^ help: consider using `_b32` instead
Oct 13 15:35:18.988 INFO kablam! 
Oct 13 15:35:18.989 INFO kablam! warning: unused variable: `a32`
Oct 13 15:35:18.989 INFO kablam!    --> src/lib.rs:125:13
Oct 13 15:35:18.989 INFO kablam!     |
Oct 13 15:35:18.989 INFO kablam! 125 |         let a32 = (&a[j..]).read_u32::<LittleEndian>().unwrap();
Oct 13 15:35:18.989 INFO kablam!     |             ^^^ help: consider using `_a32` instead
Oct 13 15:35:18.989 INFO kablam! 
Oct 13 15:35:18.989 INFO kablam! warning: unused variable: `b32`
Oct 13 15:35:18.989 INFO kablam!    --> src/lib.rs:126:13
Oct 13 15:35:18.989 INFO kablam!     |
Oct 13 15:35:18.989 INFO kablam! 126 |         let b32 = (&b[j..]).read_u32::<LittleEndian>().unwrap();
Oct 13 15:35:18.989 INFO kablam!     |             ^^^ help: consider using `_b32` instead
Oct 13 15:35:18.989 INFO kablam! 
Oct 13 15:35:18.989 INFO kablam! warning: unused variable: `n`
Oct 13 15:35:18.989 INFO kablam!    --> src/lib.rs:136:9
Oct 13 15:35:18.989 INFO kablam!     |
Oct 13 15:35:18.989 INFO kablam! 136 |     let n = a.len();
Oct 13 15:35:18.989 INFO kablam!     |         ^ help: consider using `_n` instead
Oct 13 15:35:18.989 INFO kablam! 
Oct 13 15:35:18.990 INFO kablam! warning: unused variable: `i`
Oct 13 15:35:18.990 INFO kablam!    --> src/lib.rs:307:9
Oct 13 15:35:18.990 INFO kablam!     |
Oct 13 15:35:18.990 INFO kablam! 307 |     for i in 0..epoch {
Oct 13 15:35:18.990 INFO kablam!     |         ^ help: consider using `_i` instead
Oct 13 15:35:18.990 INFO kablam! 
Oct 13 15:35:19.119 INFO kablam! warning: field is never used: `cache_size`
Oct 13 15:35:19.119 INFO kablam!   --> src/dag.rs:16:5
Oct 13 15:35:19.119 INFO kablam!    |
Oct 13 15:35:19.119 INFO kablam! 16 |     cache_size: usize,
Oct 13 15:35:19.119 INFO kablam!    |     ^^^^^^^^^^^^^^^^^
Oct 13 15:35:19.119 INFO kablam!    |
Oct 13 15:35:19.119 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 13 15:35:19.119 INFO kablam! 
Oct 13 15:35:19.119 INFO kablam! warning: constant item is never used: `CACHE_MULTIPLIER`
Oct 13 15:35:19.119 INFO kablam!   --> src/lib.rs:26:1
Oct 13 15:35:19.119 INFO kablam!    |
Oct 13 15:35:19.119 INFO kablam! 26 | const CACHE_MULTIPLIER: usize = 1024;
Oct 13 15:35:19.119 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 15:35:19.119 INFO kablam! 
Oct 13 15:35:19.119 INFO kablam! warning: constant item is never used: `FNV_PRIME`
Oct 13 15:35:19.119 INFO kablam!   --> src/lib.rs:99:1
Oct 13 15:35:19.119 INFO kablam!    |
Oct 13 15:35:19.119 INFO kablam! 99 | const FNV_PRIME: u32 = 0x01000193;
Oct 13 15:35:19.119 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 15:35:19.119 INFO kablam! 
Oct 13 15:35:19.119 INFO kablam! warning: function is never used: `u8s_to_u32`
Oct 13 15:35:19.119 INFO kablam!    --> src/lib.rs:135:1
Oct 13 15:35:19.119 INFO kablam!     |
Oct 13 15:35:19.119 INFO kablam! 135 | fn u8s_to_u32(a: &[u8]) -> u32 {
Oct 13 15:35:19.119 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 15:35:19.119 INFO kablam! 
Oct 13 15:35:19.136 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 15:35:19.136 INFO kablam!    --> src/lib.rs:114:9
Oct 13 15:35:19.136 INFO kablam!     |
Oct 13 15:35:19.136 INFO kablam! 114 | /         (&mut r[j..]).write_u32::<LittleEndian>(
Oct 13 15:35:19.136 INFO kablam! 115 | |             fnv((&a[j..]).read_u32::<LittleEndian>().unwrap(),
Oct 13 15:35:19.136 INFO kablam! 116 | |                 (&b[j..]).read_u32::<LittleEndian>().unwrap()));
Oct 13 15:35:19.136 INFO kablam!     | |________________________________________________________________^
Oct 13 15:35:19.136 INFO kablam!     |
Oct 13 15:35:19.136 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 13 15:35:19.136 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 15:35:19.136 INFO kablam! 
Oct 13 15:35:19.136 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 15:35:19.136 INFO kablam!    --> src/lib.rs:128:9
Oct 13 15:35:19.136 INFO kablam!     |
Oct 13 15:35:19.136 INFO kablam! 128 | /         (&mut r[j..]).write_u32::<LittleEndian>(
Oct 13 15:35:19.136 INFO kablam! 129 | |             fnv((&a[j..]).read_u32::<LittleEndian>().unwrap(),
Oct 13 15:35:19.136 INFO kablam! 130 | |                 (&b[j..]).read_u32::<LittleEndian>().unwrap()));
Oct 13 15:35:19.136 INFO kablam!     | |________________________________________________________________^
Oct 13 15:35:19.136 INFO kablam!     |
Oct 13 15:35:19.136 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 15:35:19.137 INFO kablam! 
Oct 13 15:35:19.137 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 15:35:19.137 INFO kablam!    --> src/lib.rs:152:5
Oct 13 15:35:19.137 INFO kablam!     |
Oct 13 15:35:19.137 INFO kablam! 152 |     mix.as_mut().write_u32::<LittleEndian>(mix_first32);
Oct 13 15:35:19.137 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 15:35:19.137 INFO kablam!     |
Oct 13 15:35:19.137 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 15:35:19.137 INFO kablam! 
Oct 13 15:35:19.138 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 15:35:19.138 INFO kablam!    --> src/lib.rs:230:9
Oct 13 15:35:19.138 INFO kablam!     |
Oct 13 15:35:19.138 INFO kablam! 230 |         (&mut cmix[j..]).write_u32::<LittleEndian>(c);
Oct 13 15:35:19.138 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 15:35:19.138 INFO kablam!     |
Oct 13 15:35:19.138 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 15:35:19.138 INFO kablam! 
Oct 13 15:35:19.705 INFO kablam! warning: unused import: `blockchain::chain::HeaderHash`
Oct 13 15:35:19.705 INFO kablam!   --> tests/headers.rs:13:5
Oct 13 15:35:19.706 INFO kablam!    |
Oct 13 15:35:19.706 INFO kablam! 13 | use blockchain::chain::HeaderHash;
Oct 13 15:35:19.706 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 15:35:19.707 INFO kablam!    |
Oct 13 15:35:19.707 INFO kablam!    = note: #[warn(unused_imports)] on by default
Oct 13 15:35:19.707 INFO kablam! 
Oct 13 15:35:19.865 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 16.98s
Oct 13 15:35:19.870 INFO kablam! su: No module specific data is present
Oct 13 15:35:21.203 INFO running `"docker" "rm" "-f" "9152512eca8ab8c3497ee9cfea840cb81db8443f578ce4ff307efdd7c86336ab"`
Oct 13 15:35:21.540 INFO blam! 9152512eca8ab8c3497ee9cfea840cb81db8443f578ce4ff307efdd7c86336ab