Oct 27 22:40:20.846 INFO checking ethash-0.3.1 against master#155510e377ae2a8d8ee0dad1a5f809c9062a5526 for pr-55192-2
Oct 27 22:40:20.847 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-2/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-2/pr-55192-2/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/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 +155510e377ae2a8d8ee0dad1a5f809c9062a5526-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 27 22:40:21.223 INFO blam! 0d1280898413a06daa5b8812af0c11f8f43eda4fa1672e5adc29888266ea7983
Oct 27 22:40:21.239 INFO running `"docker" "start" "-a" "0d1280898413a06daa5b8812af0c11f8f43eda4fa1672e5adc29888266ea7983"`
Oct 27 22:40:22.582 INFO kablam! usermod: no changes
Oct 27 22:40:22.691 INFO kablam!     Checking elastic-array-plus v0.9.1
Oct 27 22:40:22.691 INFO kablam!     Checking ethereum-hexutil v0.2.3
Oct 27 22:40:22.691 INFO kablam!     Checking blockchain v0.1.9
Oct 27 22:40:22.703 INFO kablam!     Checking block-buffer v0.2.0
Oct 27 22:40:22.703 INFO kablam!     Checking hmac v0.4.2
Oct 27 22:40:23.515 INFO kablam!     Checking sha2 v0.6.0
Oct 27 22:40:23.515 INFO kablam!     Checking sha3 v0.6.0
Oct 27 22:40:23.739 INFO kablam!     Checking hmac-drbg v0.1.2
Oct 27 22:40:24.380 INFO kablam!     Checking libsecp256k1 v0.1.14
Oct 27 22:40:24.830 INFO kablam!     Checking ethereum-rlp v0.2.3
Oct 27 22:40:26.052 INFO kablam!     Checking ethereum-bigint v0.2.9
Oct 27 22:40:29.487 INFO kablam!     Checking ethereum-bloom v0.2.1
Oct 27 22:40:29.487 INFO kablam!     Checking ethereum-trie v0.3.8
Oct 27 22:40:29.487 INFO kablam!     Checking ethereum-block-core v0.1.0
Oct 27 22:40:29.487 INFO kablam!     Checking ethash v0.3.1 (/source)
Oct 27 22:40:36.478 INFO kablam! warning: unused import: `H1024`
Oct 27 22:40:36.478 INFO kablam!   --> src/lib.rs:17:14
Oct 27 22:40:36.479 INFO kablam!    |
Oct 27 22:40:36.479 INFO kablam! 17 | use bigint::{H1024, U256, H256, H64, H512};
Oct 27 22:40:36.479 INFO kablam!    |              ^^^^^
Oct 27 22:40:36.479 INFO kablam!    |
Oct 27 22:40:36.480 INFO kablam!    = note: #[warn(unused_imports)] on by default
Oct 27 22:40:36.480 INFO kablam! 
Oct 27 22:40:37.115 INFO kablam! warning: unused variable: `a32`
Oct 27 22:40:37.115 INFO kablam!    --> src/lib.rs:111:13
Oct 27 22:40:37.115 INFO kablam!     |
Oct 27 22:40:37.115 INFO kablam! 111 |         let a32 = (&a[j..]).read_u32::<LittleEndian>().unwrap();
Oct 27 22:40:37.115 INFO kablam!     |             ^^^ help: consider using `_a32` instead
Oct 27 22:40:37.115 INFO kablam!     |
Oct 27 22:40:37.115 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 27 22:40:37.117 INFO kablam! 
Oct 27 22:40:37.117 INFO kablam! warning: unused variable: `b32`
Oct 27 22:40:37.117 INFO kablam!    --> src/lib.rs:112:13
Oct 27 22:40:37.117 INFO kablam!     |
Oct 27 22:40:37.117 INFO kablam! 112 |         let b32 = (&b[j..]).read_u32::<LittleEndian>().unwrap();
Oct 27 22:40:37.117 INFO kablam!     |             ^^^ help: consider using `_b32` instead
Oct 27 22:40:37.117 INFO kablam! 
Oct 27 22:40:37.117 INFO kablam! warning: unused variable: `a32`
Oct 27 22:40:37.117 INFO kablam!    --> src/lib.rs:125:13
Oct 27 22:40:37.117 INFO kablam!     |
Oct 27 22:40:37.117 INFO kablam! 125 |         let a32 = (&a[j..]).read_u32::<LittleEndian>().unwrap();
Oct 27 22:40:37.117 INFO kablam!     |             ^^^ help: consider using `_a32` instead
Oct 27 22:40:37.117 INFO kablam! 
Oct 27 22:40:37.117 INFO kablam! warning: unused variable: `b32`
Oct 27 22:40:37.119 INFO kablam!    --> src/lib.rs:126:13
Oct 27 22:40:37.119 INFO kablam!     |
Oct 27 22:40:37.119 INFO kablam! 126 |         let b32 = (&b[j..]).read_u32::<LittleEndian>().unwrap();
Oct 27 22:40:37.119 INFO kablam!     |             ^^^ help: consider using `_b32` instead
Oct 27 22:40:37.119 INFO kablam! 
Oct 27 22:40:37.119 INFO kablam! warning: unused variable: `n`
Oct 27 22:40:37.119 INFO kablam!    --> src/lib.rs:136:9
Oct 27 22:40:37.119 INFO kablam!     |
Oct 27 22:40:37.119 INFO kablam! 136 |     let n = a.len();
Oct 27 22:40:37.119 INFO kablam!     |         ^ help: consider using `_n` instead
Oct 27 22:40:37.119 INFO kablam! 
Oct 27 22:40:37.119 INFO kablam! warning: unused variable: `i`
Oct 27 22:40:37.119 INFO kablam!    --> src/lib.rs:307:9
Oct 27 22:40:37.119 INFO kablam!     |
Oct 27 22:40:37.119 INFO kablam! 307 |     for i in 0..epoch {
Oct 27 22:40:37.119 INFO kablam!     |         ^ help: consider using `_i` instead
Oct 27 22:40:37.119 INFO kablam! 
Oct 27 22:40:37.225 INFO kablam! warning: field is never used: `cache_size`
Oct 27 22:40:37.225 INFO kablam!   --> src/dag.rs:16:5
Oct 27 22:40:37.225 INFO kablam!    |
Oct 27 22:40:37.226 INFO kablam! 16 |     cache_size: usize,
Oct 27 22:40:37.226 INFO kablam!    |     ^^^^^^^^^^^^^^^^^
Oct 27 22:40:37.227 INFO kablam!    |
Oct 27 22:40:37.227 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 27 22:40:37.228 INFO kablam! 
Oct 27 22:40:37.228 INFO kablam! warning: constant item is never used: `CACHE_MULTIPLIER`
Oct 27 22:40:37.229 INFO kablam!   --> src/lib.rs:26:1
Oct 27 22:40:37.229 INFO kablam!    |
Oct 27 22:40:37.230 INFO kablam! 26 | const CACHE_MULTIPLIER: usize = 1024;
Oct 27 22:40:37.230 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 22:40:37.230 INFO kablam! 
Oct 27 22:40:37.231 INFO kablam! warning: constant item is never used: `FNV_PRIME`
Oct 27 22:40:37.231 INFO kablam!   --> src/lib.rs:99:1
Oct 27 22:40:37.232 INFO kablam!    |
Oct 27 22:40:37.232 INFO kablam! 99 | const FNV_PRIME: u32 = 0x01000193;
Oct 27 22:40:37.233 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 22:40:37.233 INFO kablam! 
Oct 27 22:40:37.234 INFO kablam! warning: function is never used: `u8s_to_u32`
Oct 27 22:40:37.234 INFO kablam!    --> src/lib.rs:135:1
Oct 27 22:40:37.235 INFO kablam!     |
Oct 27 22:40:37.235 INFO kablam! 135 | fn u8s_to_u32(a: &[u8]) -> u32 {
Oct 27 22:40:37.235 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 22:40:37.236 INFO kablam! 
Oct 27 22:40:37.251 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 27 22:40:37.251 INFO kablam!    --> src/lib.rs:114:9
Oct 27 22:40:37.252 INFO kablam!     |
Oct 27 22:40:37.252 INFO kablam! 114 | /         (&mut r[j..]).write_u32::<LittleEndian>(
Oct 27 22:40:37.253 INFO kablam! 115 | |             fnv((&a[j..]).read_u32::<LittleEndian>().unwrap(),
Oct 27 22:40:37.253 INFO kablam! 116 | |                 (&b[j..]).read_u32::<LittleEndian>().unwrap()));
Oct 27 22:40:37.253 INFO kablam!     | |________________________________________________________________^
Oct 27 22:40:37.254 INFO kablam!     |
Oct 27 22:40:37.254 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 27 22:40:37.255 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 27 22:40:37.255 INFO kablam! 
Oct 27 22:40:37.256 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 27 22:40:37.256 INFO kablam!    --> src/lib.rs:128:9
Oct 27 22:40:37.257 INFO kablam!     |
Oct 27 22:40:37.257 INFO kablam! 128 | /         (&mut r[j..]).write_u32::<LittleEndian>(
Oct 27 22:40:37.258 INFO kablam! 129 | |             fnv((&a[j..]).read_u32::<LittleEndian>().unwrap(),
Oct 27 22:40:37.258 INFO kablam! 130 | |                 (&b[j..]).read_u32::<LittleEndian>().unwrap()));
Oct 27 22:40:37.259 INFO kablam!     | |________________________________________________________________^
Oct 27 22:40:37.259 INFO kablam!     |
Oct 27 22:40:37.260 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 27 22:40:37.260 INFO kablam! 
Oct 27 22:40:37.261 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 27 22:40:37.261 INFO kablam!    --> src/lib.rs:152:5
Oct 27 22:40:37.262 INFO kablam!     |
Oct 27 22:40:37.262 INFO kablam! 152 |     mix.as_mut().write_u32::<LittleEndian>(mix_first32);
Oct 27 22:40:37.262 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 22:40:37.263 INFO kablam!     |
Oct 27 22:40:37.263 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 27 22:40:37.264 INFO kablam! 
Oct 27 22:40:37.265 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 27 22:40:37.265 INFO kablam!    --> src/lib.rs:230:9
Oct 27 22:40:37.266 INFO kablam!     |
Oct 27 22:40:37.266 INFO kablam! 230 |         (&mut cmix[j..]).write_u32::<LittleEndian>(c);
Oct 27 22:40:37.267 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 22:40:37.267 INFO kablam!     |
Oct 27 22:40:37.268 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 27 22:40:37.268 INFO kablam! 
Oct 27 22:40:44.986 INFO kablam!     Checking ethereum-block v0.3.5
Oct 27 22:40:49.215 INFO kablam! warning: unused import: `H1024`
Oct 27 22:40:49.215 INFO kablam!   --> src/lib.rs:17:14
Oct 27 22:40:49.215 INFO kablam!    |
Oct 27 22:40:49.215 INFO kablam! 17 | use bigint::{H1024, U256, H256, H64, H512};
Oct 27 22:40:49.215 INFO kablam!    |              ^^^^^
Oct 27 22:40:49.215 INFO kablam!    |
Oct 27 22:40:49.215 INFO kablam!    = note: #[warn(unused_imports)] on by default
Oct 27 22:40:49.215 INFO kablam! 
Oct 27 22:40:49.420 INFO kablam! warning: unused variable: `a32`
Oct 27 22:40:49.420 INFO kablam!    --> src/lib.rs:111:13
Oct 27 22:40:49.420 INFO kablam!     |
Oct 27 22:40:49.420 INFO kablam! 111 |         let a32 = (&a[j..]).read_u32::<LittleEndian>().unwrap();
Oct 27 22:40:49.420 INFO kablam!     |             ^^^ help: consider using `_a32` instead
Oct 27 22:40:49.420 INFO kablam!     |
Oct 27 22:40:49.420 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 27 22:40:49.420 INFO kablam! 
Oct 27 22:40:49.420 INFO kablam! warning: unused variable: `b32`
Oct 27 22:40:49.420 INFO kablam!    --> src/lib.rs:112:13
Oct 27 22:40:49.420 INFO kablam!     |
Oct 27 22:40:49.420 INFO kablam! 112 |         let b32 = (&b[j..]).read_u32::<LittleEndian>().unwrap();
Oct 27 22:40:49.420 INFO kablam!     |             ^^^ help: consider using `_b32` instead
Oct 27 22:40:49.420 INFO kablam! 
Oct 27 22:40:49.420 INFO kablam! warning: unused variable: `a32`
Oct 27 22:40:49.420 INFO kablam!    --> src/lib.rs:125:13
Oct 27 22:40:49.420 INFO kablam!     |
Oct 27 22:40:49.420 INFO kablam! 125 |         let a32 = (&a[j..]).read_u32::<LittleEndian>().unwrap();
Oct 27 22:40:49.420 INFO kablam!     |             ^^^ help: consider using `_a32` instead
Oct 27 22:40:49.420 INFO kablam! 
Oct 27 22:40:49.420 INFO kablam! warning: unused variable: `b32`
Oct 27 22:40:49.420 INFO kablam!    --> src/lib.rs:126:13
Oct 27 22:40:49.420 INFO kablam!     |
Oct 27 22:40:49.420 INFO kablam! 126 |         let b32 = (&b[j..]).read_u32::<LittleEndian>().unwrap();
Oct 27 22:40:49.420 INFO kablam!     |             ^^^ help: consider using `_b32` instead
Oct 27 22:40:49.420 INFO kablam! 
Oct 27 22:40:49.420 INFO kablam! warning: unused variable: `n`
Oct 27 22:40:49.420 INFO kablam!    --> src/lib.rs:136:9
Oct 27 22:40:49.420 INFO kablam!     |
Oct 27 22:40:49.420 INFO kablam! 136 |     let n = a.len();
Oct 27 22:40:49.420 INFO kablam!     |         ^ help: consider using `_n` instead
Oct 27 22:40:49.420 INFO kablam! 
Oct 27 22:40:49.420 INFO kablam! warning: unused variable: `i`
Oct 27 22:40:49.420 INFO kablam!    --> src/lib.rs:307:9
Oct 27 22:40:49.420 INFO kablam!     |
Oct 27 22:40:49.420 INFO kablam! 307 |     for i in 0..epoch {
Oct 27 22:40:49.420 INFO kablam!     |         ^ help: consider using `_i` instead
Oct 27 22:40:49.420 INFO kablam! 
Oct 27 22:40:49.479 INFO kablam! warning: field is never used: `cache_size`
Oct 27 22:40:49.479 INFO kablam!   --> src/dag.rs:16:5
Oct 27 22:40:49.479 INFO kablam!    |
Oct 27 22:40:49.479 INFO kablam! 16 |     cache_size: usize,
Oct 27 22:40:49.479 INFO kablam!    |     ^^^^^^^^^^^^^^^^^
Oct 27 22:40:49.479 INFO kablam!    |
Oct 27 22:40:49.479 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 27 22:40:49.479 INFO kablam! 
Oct 27 22:40:49.479 INFO kablam! warning: constant item is never used: `CACHE_MULTIPLIER`
Oct 27 22:40:49.479 INFO kablam!   --> src/lib.rs:26:1
Oct 27 22:40:49.479 INFO kablam!    |
Oct 27 22:40:49.479 INFO kablam! 26 | const CACHE_MULTIPLIER: usize = 1024;
Oct 27 22:40:49.479 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 22:40:49.479 INFO kablam! 
Oct 27 22:40:49.479 INFO kablam! warning: constant item is never used: `FNV_PRIME`
Oct 27 22:40:49.479 INFO kablam!   --> src/lib.rs:99:1
Oct 27 22:40:49.479 INFO kablam!    |
Oct 27 22:40:49.479 INFO kablam! 99 | const FNV_PRIME: u32 = 0x01000193;
Oct 27 22:40:49.479 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 22:40:49.479 INFO kablam! 
Oct 27 22:40:49.479 INFO kablam! warning: function is never used: `u8s_to_u32`
Oct 27 22:40:49.479 INFO kablam!    --> src/lib.rs:135:1
Oct 27 22:40:49.479 INFO kablam!     |
Oct 27 22:40:49.479 INFO kablam! 135 | fn u8s_to_u32(a: &[u8]) -> u32 {
Oct 27 22:40:49.479 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 22:40:49.479 INFO kablam! 
Oct 27 22:40:49.483 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 27 22:40:49.483 INFO kablam!    --> src/lib.rs:114:9
Oct 27 22:40:49.483 INFO kablam!     |
Oct 27 22:40:49.483 INFO kablam! 114 | /         (&mut r[j..]).write_u32::<LittleEndian>(
Oct 27 22:40:49.483 INFO kablam! 115 | |             fnv((&a[j..]).read_u32::<LittleEndian>().unwrap(),
Oct 27 22:40:49.483 INFO kablam! 116 | |                 (&b[j..]).read_u32::<LittleEndian>().unwrap()));
Oct 27 22:40:49.483 INFO kablam!     | |________________________________________________________________^
Oct 27 22:40:49.483 INFO kablam!     |
Oct 27 22:40:49.483 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 27 22:40:49.483 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 27 22:40:49.483 INFO kablam! 
Oct 27 22:40:49.483 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 27 22:40:49.483 INFO kablam!    --> src/lib.rs:128:9
Oct 27 22:40:49.483 INFO kablam!     |
Oct 27 22:40:49.483 INFO kablam! 128 | /         (&mut r[j..]).write_u32::<LittleEndian>(
Oct 27 22:40:49.483 INFO kablam! 129 | |             fnv((&a[j..]).read_u32::<LittleEndian>().unwrap(),
Oct 27 22:40:49.483 INFO kablam! 130 | |                 (&b[j..]).read_u32::<LittleEndian>().unwrap()));
Oct 27 22:40:49.483 INFO kablam!     | |________________________________________________________________^
Oct 27 22:40:49.483 INFO kablam!     |
Oct 27 22:40:49.483 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 27 22:40:49.483 INFO kablam! 
Oct 27 22:40:49.483 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 27 22:40:49.483 INFO kablam!    --> src/lib.rs:152:5
Oct 27 22:40:49.483 INFO kablam!     |
Oct 27 22:40:49.483 INFO kablam! 152 |     mix.as_mut().write_u32::<LittleEndian>(mix_first32);
Oct 27 22:40:49.483 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 22:40:49.483 INFO kablam!     |
Oct 27 22:40:49.483 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 27 22:40:49.483 INFO kablam! 
Oct 27 22:40:49.490 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 27 22:40:49.490 INFO kablam!    --> src/lib.rs:230:9
Oct 27 22:40:49.490 INFO kablam!     |
Oct 27 22:40:49.490 INFO kablam! 230 |         (&mut cmix[j..]).write_u32::<LittleEndian>(c);
Oct 27 22:40:49.490 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 22:40:49.490 INFO kablam!     |
Oct 27 22:40:49.490 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 27 22:40:49.490 INFO kablam! 
Oct 27 22:40:50.211 INFO kablam! warning: unused import: `blockchain::chain::HeaderHash`
Oct 27 22:40:50.211 INFO kablam!   --> tests/headers.rs:13:5
Oct 27 22:40:50.211 INFO kablam!    |
Oct 27 22:40:50.211 INFO kablam! 13 | use blockchain::chain::HeaderHash;
Oct 27 22:40:50.211 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 22:40:50.211 INFO kablam!    |
Oct 27 22:40:50.211 INFO kablam!    = note: #[warn(unused_imports)] on by default
Oct 27 22:40:50.211 INFO kablam! 
Oct 27 22:40:50.311 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 27.70s
Oct 27 22:40:50.339 INFO kablam! su: No module specific data is present
Oct 27 22:40:51.077 INFO running `"docker" "rm" "-f" "0d1280898413a06daa5b8812af0c11f8f43eda4fa1672e5adc29888266ea7983"`
Oct 27 22:40:51.503 INFO blam! 0d1280898413a06daa5b8812af0c11f8f43eda4fa1672e5adc29888266ea7983