Oct 27 22:40:20.434 INFO checking ethash-0.3.1 against try#19f01b935b91481fd445b16b533d2f87661bf12e for pr-55192-2
Oct 27 22:40:20.434 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-1/try#19f01b935b91481fd445b16b533d2f87661bf12e:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-1/pr-55192-2/try#19f01b935b91481fd445b16b533d2f87661bf12e:/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 +19f01b935b91481fd445b16b533d2f87661bf12e-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 22:40:20.764 INFO blam! f6fd53f86be651673fd36e13b2b7851e983acd310638054a03735588cb177fc1
Oct 27 22:40:20.769 INFO running `"docker" "start" "-a" "f6fd53f86be651673fd36e13b2b7851e983acd310638054a03735588cb177fc1"`
Oct 27 22:40:22.147 INFO kablam! usermod: no changes
Oct 27 22:40:22.255 INFO kablam!     Checking elastic-array-plus v0.9.1
Oct 27 22:40:22.255 INFO kablam!     Checking ethereum-hexutil v0.2.3
Oct 27 22:40:22.255 INFO kablam!     Checking blockchain v0.2.0
Oct 27 22:40:22.255 INFO kablam!     Checking blockchain v0.1.9
Oct 27 22:40:22.257 INFO kablam!     Checking sha3 v0.6.0
Oct 27 22:40:22.257 INFO kablam!     Checking hmac-drbg v0.1.2
Oct 27 22:40:23.678 INFO kablam!     Checking libsecp256k1 v0.1.14
Oct 27 22:40:25.019 INFO kablam!     Checking ethereum-rlp v0.2.3
Oct 27 22:40:26.423 INFO kablam!     Checking ethereum-bigint v0.2.9
Oct 27 22:40:29.072 INFO kablam!     Checking ethereum-block-core v0.1.0
Oct 27 22:40:29.072 INFO kablam!     Checking ethereum-bloom v0.2.1
Oct 27 22:40:29.072 INFO kablam!     Checking ethereum-trie v0.3.8
Oct 27 22:40:29.072 INFO kablam!     Checking ethash v0.3.1 (/source)
Oct 27 22:40:34.706 INFO kablam! warning: unused import: `H1024`
Oct 27 22:40:34.706 INFO kablam!   --> src/lib.rs:17:14
Oct 27 22:40:34.719 INFO kablam!    |
Oct 27 22:40:34.719 INFO kablam! 17 | use bigint::{H1024, U256, H256, H64, H512};
Oct 27 22:40:34.720 INFO kablam!    |              ^^^^^
Oct 27 22:40:34.721 INFO kablam!    |
Oct 27 22:40:34.721 INFO kablam!    = note: #[warn(unused_imports)] on by default
Oct 27 22:40:34.722 INFO kablam! 
Oct 27 22:40:35.375 INFO kablam! warning: unused variable: `a32`
Oct 27 22:40:35.376 INFO kablam!    --> src/lib.rs:111:13
Oct 27 22:40:35.376 INFO kablam!     |
Oct 27 22:40:35.377 INFO kablam! 111 |         let a32 = (&a[j..]).read_u32::<LittleEndian>().unwrap();
Oct 27 22:40:35.377 INFO kablam!     |             ^^^ help: consider using `_a32` instead
Oct 27 22:40:35.378 INFO kablam!     |
Oct 27 22:40:35.379 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 27 22:40:35.379 INFO kablam! 
Oct 27 22:40:35.383 INFO kablam! warning: unused variable: `b32`
Oct 27 22:40:35.383 INFO kablam!    --> src/lib.rs:112:13
Oct 27 22:40:35.384 INFO kablam!     |
Oct 27 22:40:35.385 INFO kablam! 112 |         let b32 = (&b[j..]).read_u32::<LittleEndian>().unwrap();
Oct 27 22:40:35.385 INFO kablam!     |             ^^^ help: consider using `_b32` instead
Oct 27 22:40:35.386 INFO kablam! 
Oct 27 22:40:35.386 INFO kablam! warning: unused variable: `a32`
Oct 27 22:40:35.387 INFO kablam!    --> src/lib.rs:125:13
Oct 27 22:40:35.388 INFO kablam!     |
Oct 27 22:40:35.388 INFO kablam! 125 |         let a32 = (&a[j..]).read_u32::<LittleEndian>().unwrap();
Oct 27 22:40:35.389 INFO kablam!     |             ^^^ help: consider using `_a32` instead
Oct 27 22:40:35.389 INFO kablam! 
Oct 27 22:40:35.390 INFO kablam! warning: unused variable: `b32`
Oct 27 22:40:35.391 INFO kablam!    --> src/lib.rs:126:13
Oct 27 22:40:35.391 INFO kablam!     |
Oct 27 22:40:35.392 INFO kablam! 126 |         let b32 = (&b[j..]).read_u32::<LittleEndian>().unwrap();
Oct 27 22:40:35.393 INFO kablam!     |             ^^^ help: consider using `_b32` instead
Oct 27 22:40:35.393 INFO kablam! 
Oct 27 22:40:35.394 INFO kablam! warning: unused variable: `n`
Oct 27 22:40:35.394 INFO kablam!    --> src/lib.rs:136:9
Oct 27 22:40:35.395 INFO kablam!     |
Oct 27 22:40:35.396 INFO kablam! 136 |     let n = a.len();
Oct 27 22:40:35.396 INFO kablam!     |         ^ help: consider using `_n` instead
Oct 27 22:40:35.397 INFO kablam! 
Oct 27 22:40:35.398 INFO kablam! warning: unused variable: `i`
Oct 27 22:40:35.399 INFO kablam!    --> src/lib.rs:307:9
Oct 27 22:40:35.399 INFO kablam!     |
Oct 27 22:40:35.400 INFO kablam! 307 |     for i in 0..epoch {
Oct 27 22:40:35.401 INFO kablam!     |         ^ help: consider using `_i` instead
Oct 27 22:40:35.401 INFO kablam! 
Oct 27 22:40:35.500 INFO kablam! warning: field is never used: `cache_size`
Oct 27 22:40:35.501 INFO kablam!   --> src/dag.rs:16:5
Oct 27 22:40:35.502 INFO kablam!    |
Oct 27 22:40:35.503 INFO kablam! 16 |     cache_size: usize,
Oct 27 22:40:35.503 INFO kablam!    |     ^^^^^^^^^^^^^^^^^
Oct 27 22:40:35.504 INFO kablam!    |
Oct 27 22:40:35.505 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 27 22:40:35.505 INFO kablam! 
Oct 27 22:40:35.506 INFO kablam! warning: constant item is never used: `CACHE_MULTIPLIER`
Oct 27 22:40:35.507 INFO kablam!   --> src/lib.rs:26:1
Oct 27 22:40:35.507 INFO kablam!    |
Oct 27 22:40:35.508 INFO kablam! 26 | const CACHE_MULTIPLIER: usize = 1024;
Oct 27 22:40:35.508 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 22:40:35.509 INFO kablam! 
Oct 27 22:40:35.510 INFO kablam! warning: constant item is never used: `FNV_PRIME`
Oct 27 22:40:35.510 INFO kablam!   --> src/lib.rs:99:1
Oct 27 22:40:35.511 INFO kablam!    |
Oct 27 22:40:35.511 INFO kablam! 99 | const FNV_PRIME: u32 = 0x01000193;
Oct 27 22:40:35.512 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 22:40:35.512 INFO kablam! 
Oct 27 22:40:35.513 INFO kablam! warning: function is never used: `u8s_to_u32`
Oct 27 22:40:35.514 INFO kablam!    --> src/lib.rs:135:1
Oct 27 22:40:35.514 INFO kablam!     |
Oct 27 22:40:35.515 INFO kablam! 135 | fn u8s_to_u32(a: &[u8]) -> u32 {
Oct 27 22:40:35.515 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 22:40:35.516 INFO kablam! 
Oct 27 22:40:35.535 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 27 22:40:35.536 INFO kablam!    --> src/lib.rs:114:9
Oct 27 22:40:35.536 INFO kablam!     |
Oct 27 22:40:35.537 INFO kablam! 114 | /         (&mut r[j..]).write_u32::<LittleEndian>(
Oct 27 22:40:35.538 INFO kablam! 115 | |             fnv((&a[j..]).read_u32::<LittleEndian>().unwrap(),
Oct 27 22:40:35.538 INFO kablam! 116 | |                 (&b[j..]).read_u32::<LittleEndian>().unwrap()));
Oct 27 22:40:35.539 INFO kablam!     | |________________________________________________________________^
Oct 27 22:40:35.539 INFO kablam!     |
Oct 27 22:40:35.540 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 27 22:40:35.541 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 27 22:40:35.541 INFO kablam! 
Oct 27 22:40:35.542 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 27 22:40:35.543 INFO kablam!    --> src/lib.rs:128:9
Oct 27 22:40:35.543 INFO kablam!     |
Oct 27 22:40:35.543 INFO kablam! 128 | /         (&mut r[j..]).write_u32::<LittleEndian>(
Oct 27 22:40:35.543 INFO kablam! 129 | |             fnv((&a[j..]).read_u32::<LittleEndian>().unwrap(),
Oct 27 22:40:35.543 INFO kablam! 130 | |                 (&b[j..]).read_u32::<LittleEndian>().unwrap()));
Oct 27 22:40:35.543 INFO kablam!     | |________________________________________________________________^
Oct 27 22:40:35.543 INFO kablam!     |
Oct 27 22:40:35.543 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 27 22:40:35.543 INFO kablam! 
Oct 27 22:40:35.545 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 27 22:40:35.545 INFO kablam!    --> src/lib.rs:152:5
Oct 27 22:40:35.545 INFO kablam!     |
Oct 27 22:40:35.545 INFO kablam! 152 |     mix.as_mut().write_u32::<LittleEndian>(mix_first32);
Oct 27 22:40:35.545 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 22:40:35.545 INFO kablam!     |
Oct 27 22:40:35.546 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 27 22:40:35.546 INFO kablam! 
Oct 27 22:40:35.547 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 27 22:40:35.547 INFO kablam!    --> src/lib.rs:230:9
Oct 27 22:40:35.547 INFO kablam!     |
Oct 27 22:40:35.547 INFO kablam! 230 |         (&mut cmix[j..]).write_u32::<LittleEndian>(c);
Oct 27 22:40:35.547 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 22:40:35.548 INFO kablam!     |
Oct 27 22:40:35.549 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 27 22:40:35.549 INFO kablam! 
Oct 27 22:40:43.361 INFO kablam!     Checking ethereum-block v0.3.5
Oct 27 22:40:48.179 INFO kablam! warning: unused import: `H1024`
Oct 27 22:40:48.179 INFO kablam!   --> src/lib.rs:17:14
Oct 27 22:40:48.180 INFO kablam!    |
Oct 27 22:40:48.180 INFO kablam! 17 | use bigint::{H1024, U256, H256, H64, H512};
Oct 27 22:40:48.180 INFO kablam!    |              ^^^^^
Oct 27 22:40:48.181 INFO kablam!    |
Oct 27 22:40:48.181 INFO kablam!    = note: #[warn(unused_imports)] on by default
Oct 27 22:40:48.181 INFO kablam! 
Oct 27 22:40:48.377 INFO kablam! warning: unused variable: `a32`
Oct 27 22:40:48.377 INFO kablam!    --> src/lib.rs:111:13
Oct 27 22:40:48.377 INFO kablam!     |
Oct 27 22:40:48.377 INFO kablam! 111 |         let a32 = (&a[j..]).read_u32::<LittleEndian>().unwrap();
Oct 27 22:40:48.377 INFO kablam!     |             ^^^ help: consider using `_a32` instead
Oct 27 22:40:48.377 INFO kablam!     |
Oct 27 22:40:48.377 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 27 22:40:48.377 INFO kablam! 
Oct 27 22:40:48.377 INFO kablam! warning: unused variable: `b32`
Oct 27 22:40:48.377 INFO kablam!    --> src/lib.rs:112:13
Oct 27 22:40:48.377 INFO kablam!     |
Oct 27 22:40:48.377 INFO kablam! 112 |         let b32 = (&b[j..]).read_u32::<LittleEndian>().unwrap();
Oct 27 22:40:48.377 INFO kablam!     |             ^^^ help: consider using `_b32` instead
Oct 27 22:40:48.377 INFO kablam! 
Oct 27 22:40:48.377 INFO kablam! warning: unused variable: `a32`
Oct 27 22:40:48.377 INFO kablam!    --> src/lib.rs:125:13
Oct 27 22:40:48.377 INFO kablam!     |
Oct 27 22:40:48.377 INFO kablam! 125 |         let a32 = (&a[j..]).read_u32::<LittleEndian>().unwrap();
Oct 27 22:40:48.377 INFO kablam!     |             ^^^ help: consider using `_a32` instead
Oct 27 22:40:48.377 INFO kablam! 
Oct 27 22:40:48.378 INFO kablam! warning: unused variable: `b32`
Oct 27 22:40:48.378 INFO kablam!    --> src/lib.rs:126:13
Oct 27 22:40:48.378 INFO kablam!     |
Oct 27 22:40:48.378 INFO kablam! 126 |         let b32 = (&b[j..]).read_u32::<LittleEndian>().unwrap();
Oct 27 22:40:48.378 INFO kablam!     |             ^^^ help: consider using `_b32` instead
Oct 27 22:40:48.378 INFO kablam! 
Oct 27 22:40:48.378 INFO kablam! warning: unused variable: `n`
Oct 27 22:40:48.378 INFO kablam!    --> src/lib.rs:136:9
Oct 27 22:40:48.378 INFO kablam!     |
Oct 27 22:40:48.378 INFO kablam! 136 |     let n = a.len();
Oct 27 22:40:48.378 INFO kablam!     |         ^ help: consider using `_n` instead
Oct 27 22:40:48.378 INFO kablam! 
Oct 27 22:40:48.378 INFO kablam! warning: unused variable: `i`
Oct 27 22:40:48.378 INFO kablam!    --> src/lib.rs:307:9
Oct 27 22:40:48.378 INFO kablam!     |
Oct 27 22:40:48.378 INFO kablam! 307 |     for i in 0..epoch {
Oct 27 22:40:48.378 INFO kablam!     |         ^ help: consider using `_i` instead
Oct 27 22:40:48.378 INFO kablam! 
Oct 27 22:40:48.418 INFO kablam! warning: field is never used: `cache_size`
Oct 27 22:40:48.418 INFO kablam!   --> src/dag.rs:16:5
Oct 27 22:40:48.418 INFO kablam!    |
Oct 27 22:40:48.418 INFO kablam! 16 |     cache_size: usize,
Oct 27 22:40:48.418 INFO kablam!    |     ^^^^^^^^^^^^^^^^^
Oct 27 22:40:48.418 INFO kablam!    |
Oct 27 22:40:48.418 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 27 22:40:48.418 INFO kablam! 
Oct 27 22:40:48.418 INFO kablam! warning: constant item is never used: `CACHE_MULTIPLIER`
Oct 27 22:40:48.418 INFO kablam!   --> src/lib.rs:26:1
Oct 27 22:40:48.418 INFO kablam!    |
Oct 27 22:40:48.418 INFO kablam! 26 | const CACHE_MULTIPLIER: usize = 1024;
Oct 27 22:40:48.418 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 22:40:48.418 INFO kablam! 
Oct 27 22:40:48.418 INFO kablam! warning: constant item is never used: `FNV_PRIME`
Oct 27 22:40:48.418 INFO kablam!   --> src/lib.rs:99:1
Oct 27 22:40:48.418 INFO kablam!    |
Oct 27 22:40:48.418 INFO kablam! 99 | const FNV_PRIME: u32 = 0x01000193;
Oct 27 22:40:48.418 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 22:40:48.418 INFO kablam! 
Oct 27 22:40:48.418 INFO kablam! warning: function is never used: `u8s_to_u32`
Oct 27 22:40:48.418 INFO kablam!    --> src/lib.rs:135:1
Oct 27 22:40:48.418 INFO kablam!     |
Oct 27 22:40:48.418 INFO kablam! 135 | fn u8s_to_u32(a: &[u8]) -> u32 {
Oct 27 22:40:48.418 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 22:40:48.418 INFO kablam! 
Oct 27 22:40:48.420 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 27 22:40:48.420 INFO kablam!    --> src/lib.rs:114:9
Oct 27 22:40:48.420 INFO kablam!     |
Oct 27 22:40:48.420 INFO kablam! 114 | /         (&mut r[j..]).write_u32::<LittleEndian>(
Oct 27 22:40:48.420 INFO kablam! 115 | |             fnv((&a[j..]).read_u32::<LittleEndian>().unwrap(),
Oct 27 22:40:48.420 INFO kablam! 116 | |                 (&b[j..]).read_u32::<LittleEndian>().unwrap()));
Oct 27 22:40:48.420 INFO kablam!     | |________________________________________________________________^
Oct 27 22:40:48.420 INFO kablam!     |
Oct 27 22:40:48.420 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 27 22:40:48.420 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 27 22:40:48.420 INFO kablam! 
Oct 27 22:40:48.420 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 27 22:40:48.420 INFO kablam!    --> src/lib.rs:128:9
Oct 27 22:40:48.420 INFO kablam!     |
Oct 27 22:40:48.420 INFO kablam! 128 | /         (&mut r[j..]).write_u32::<LittleEndian>(
Oct 27 22:40:48.420 INFO kablam! 129 | |             fnv((&a[j..]).read_u32::<LittleEndian>().unwrap(),
Oct 27 22:40:48.420 INFO kablam! 130 | |                 (&b[j..]).read_u32::<LittleEndian>().unwrap()));
Oct 27 22:40:48.420 INFO kablam!     | |________________________________________________________________^
Oct 27 22:40:48.420 INFO kablam!     |
Oct 27 22:40:48.420 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 27 22:40:48.420 INFO kablam! 
Oct 27 22:40:48.420 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 27 22:40:48.420 INFO kablam!    --> src/lib.rs:152:5
Oct 27 22:40:48.420 INFO kablam!     |
Oct 27 22:40:48.420 INFO kablam! 152 |     mix.as_mut().write_u32::<LittleEndian>(mix_first32);
Oct 27 22:40:48.420 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 22:40:48.420 INFO kablam!     |
Oct 27 22:40:48.420 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 27 22:40:48.420 INFO kablam! 
Oct 27 22:40:48.420 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 27 22:40:48.421 INFO kablam!    --> src/lib.rs:230:9
Oct 27 22:40:48.421 INFO kablam!     |
Oct 27 22:40:48.421 INFO kablam! 230 |         (&mut cmix[j..]).write_u32::<LittleEndian>(c);
Oct 27 22:40:48.421 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 22:40:48.421 INFO kablam!     |
Oct 27 22:40:48.421 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 27 22:40:48.421 INFO kablam! 
Oct 27 22:40:48.553 INFO kablam! warning: unused import: `blockchain::chain::HeaderHash`
Oct 27 22:40:48.553 INFO kablam!   --> tests/headers.rs:13:5
Oct 27 22:40:48.553 INFO kablam!    |
Oct 27 22:40:48.553 INFO kablam! 13 | use blockchain::chain::HeaderHash;
Oct 27 22:40:48.553 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 22:40:48.553 INFO kablam!    |
Oct 27 22:40:48.553 INFO kablam!    = note: #[warn(unused_imports)] on by default
Oct 27 22:40:48.553 INFO kablam! 
Oct 27 22:40:48.689 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 26.51s
Oct 27 22:40:48.710 INFO kablam! su: No module specific data is present
Oct 27 22:40:49.322 INFO running `"docker" "rm" "-f" "f6fd53f86be651673fd36e13b2b7851e983acd310638054a03735588cb177fc1"`
Oct 27 22:40:49.639 INFO blam! f6fd53f86be651673fd36e13b2b7851e983acd310638054a03735588cb177fc1