Nov 03 08:54:50.675 INFO checking ethash-0.3.1 against try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7 for pr-55517
Nov 03 08:54:50.675 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-2/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55517/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/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 +dc8b02d6f1e93f212fc39844ea688b634b4a03c7-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"`
Nov 03 08:54:50.860 INFO blam! 9eabe175b8015c051d7e839f08abb3cb1bd7ad8f93e86144ad7f2bb97b9bac18
Nov 03 08:54:50.865 INFO running `"docker" "start" "-a" "9eabe175b8015c051d7e839f08abb3cb1bd7ad8f93e86144ad7f2bb97b9bac18"`
Nov 03 08:54:51.521 INFO kablam! usermod: no changes
Nov 03 08:54:51.699 INFO kablam!     Checking ethereum-hexutil v0.2.3
Nov 03 08:54:51.704 INFO kablam!     Checking blockchain v0.1.9
Nov 03 08:54:51.724 INFO kablam!     Checking hmac-drbg v0.1.2
Nov 03 08:54:52.644 INFO kablam!     Checking ethereum-rlp v0.2.3
Nov 03 08:54:53.172 INFO kablam!     Checking libsecp256k1 v0.1.14
Nov 03 08:54:54.308 INFO kablam!     Checking ethereum-bigint v0.2.9
Nov 03 08:54:56.972 INFO kablam!     Checking ethereum-trie v0.3.8
Nov 03 08:54:56.972 INFO kablam!     Checking ethereum-bloom v0.2.1
Nov 03 08:54:56.972 INFO kablam!     Checking ethereum-block-core v0.1.0
Nov 03 08:54:56.972 INFO kablam!     Checking ethash v0.3.1 (/source)
Nov 03 08:54:59.812 INFO kablam! warning: unused import: `H1024`
Nov 03 08:54:59.812 INFO kablam!   --> src/lib.rs:17:14
Nov 03 08:54:59.812 INFO kablam!    |
Nov 03 08:54:59.812 INFO kablam! 17 | use bigint::{H1024, U256, H256, H64, H512};
Nov 03 08:54:59.812 INFO kablam!    |              ^^^^^
Nov 03 08:54:59.812 INFO kablam!    |
Nov 03 08:54:59.812 INFO kablam!    = note: #[warn(unused_imports)] on by default
Nov 03 08:54:59.812 INFO kablam! 
Nov 03 08:55:00.432 INFO kablam! warning: unused variable: `a32`
Nov 03 08:55:00.432 INFO kablam!    --> src/lib.rs:111:13
Nov 03 08:55:00.432 INFO kablam!     |
Nov 03 08:55:00.432 INFO kablam! 111 |         let a32 = (&a[j..]).read_u32::<LittleEndian>().unwrap();
Nov 03 08:55:00.432 INFO kablam!     |             ^^^ help: consider using `_a32` instead
Nov 03 08:55:00.432 INFO kablam!     |
Nov 03 08:55:00.433 INFO kablam!     = note: #[warn(unused_variables)] on by default
Nov 03 08:55:00.433 INFO kablam! 
Nov 03 08:55:00.436 INFO kablam! warning: unused variable: `b32`
Nov 03 08:55:00.437 INFO kablam!    --> src/lib.rs:112:13
Nov 03 08:55:00.437 INFO kablam!     |
Nov 03 08:55:00.437 INFO kablam! 112 |         let b32 = (&b[j..]).read_u32::<LittleEndian>().unwrap();
Nov 03 08:55:00.438 INFO kablam!     |             ^^^ help: consider using `_b32` instead
Nov 03 08:55:00.438 INFO kablam! 
Nov 03 08:55:00.438 INFO kablam! warning: unused variable: `a32`
Nov 03 08:55:00.438 INFO kablam!    --> src/lib.rs:125:13
Nov 03 08:55:00.439 INFO kablam!     |
Nov 03 08:55:00.439 INFO kablam! 125 |         let a32 = (&a[j..]).read_u32::<LittleEndian>().unwrap();
Nov 03 08:55:00.439 INFO kablam!     |             ^^^ help: consider using `_a32` instead
Nov 03 08:55:00.440 INFO kablam! 
Nov 03 08:55:00.440 INFO kablam! warning: unused variable: `b32`
Nov 03 08:55:00.440 INFO kablam!    --> src/lib.rs:126:13
Nov 03 08:55:00.440 INFO kablam!     |
Nov 03 08:55:00.441 INFO kablam! 126 |         let b32 = (&b[j..]).read_u32::<LittleEndian>().unwrap();
Nov 03 08:55:00.441 INFO kablam!     |             ^^^ help: consider using `_b32` instead
Nov 03 08:55:00.441 INFO kablam! 
Nov 03 08:55:00.441 INFO kablam! warning: unused variable: `n`
Nov 03 08:55:00.441 INFO kablam!    --> src/lib.rs:136:9
Nov 03 08:55:00.442 INFO kablam!     |
Nov 03 08:55:00.442 INFO kablam! 136 |     let n = a.len();
Nov 03 08:55:00.442 INFO kablam!     |         ^ help: consider using `_n` instead
Nov 03 08:55:00.442 INFO kablam! 
Nov 03 08:55:00.444 INFO kablam! warning: unused variable: `i`
Nov 03 08:55:00.445 INFO kablam!    --> src/lib.rs:307:9
Nov 03 08:55:00.445 INFO kablam!     |
Nov 03 08:55:00.445 INFO kablam! 307 |     for i in 0..epoch {
Nov 03 08:55:00.445 INFO kablam!     |         ^ help: consider using `_i` instead
Nov 03 08:55:00.446 INFO kablam! 
Nov 03 08:55:00.528 INFO kablam! warning: field is never used: `cache_size`
Nov 03 08:55:00.529 INFO kablam!   --> src/dag.rs:16:5
Nov 03 08:55:00.529 INFO kablam!    |
Nov 03 08:55:00.529 INFO kablam! 16 |     cache_size: usize,
Nov 03 08:55:00.529 INFO kablam!    |     ^^^^^^^^^^^^^^^^^
Nov 03 08:55:00.530 INFO kablam!    |
Nov 03 08:55:00.530 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 03 08:55:00.530 INFO kablam! 
Nov 03 08:55:00.530 INFO kablam! warning: constant item is never used: `CACHE_MULTIPLIER`
Nov 03 08:55:00.531 INFO kablam!   --> src/lib.rs:26:1
Nov 03 08:55:00.531 INFO kablam!    |
Nov 03 08:55:00.531 INFO kablam! 26 | const CACHE_MULTIPLIER: usize = 1024;
Nov 03 08:55:00.531 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 08:55:00.531 INFO kablam! 
Nov 03 08:55:00.532 INFO kablam! warning: constant item is never used: `FNV_PRIME`
Nov 03 08:55:00.532 INFO kablam!   --> src/lib.rs:99:1
Nov 03 08:55:00.532 INFO kablam!    |
Nov 03 08:55:00.532 INFO kablam! 99 | const FNV_PRIME: u32 = 0x01000193;
Nov 03 08:55:00.533 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 08:55:00.533 INFO kablam! 
Nov 03 08:55:00.533 INFO kablam! warning: function is never used: `u8s_to_u32`
Nov 03 08:55:00.533 INFO kablam!    --> src/lib.rs:135:1
Nov 03 08:55:00.534 INFO kablam!     |
Nov 03 08:55:00.534 INFO kablam! 135 | fn u8s_to_u32(a: &[u8]) -> u32 {
Nov 03 08:55:00.534 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 08:55:00.534 INFO kablam! 
Nov 03 08:55:00.534 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 03 08:55:00.535 INFO kablam!    --> src/lib.rs:114:9
Nov 03 08:55:00.535 INFO kablam!     |
Nov 03 08:55:00.535 INFO kablam! 114 | /         (&mut r[j..]).write_u32::<LittleEndian>(
Nov 03 08:55:00.535 INFO kablam! 115 | |             fnv((&a[j..]).read_u32::<LittleEndian>().unwrap(),
Nov 03 08:55:00.536 INFO kablam! 116 | |                 (&b[j..]).read_u32::<LittleEndian>().unwrap()));
Nov 03 08:55:00.536 INFO kablam!     | |________________________________________________________________^
Nov 03 08:55:00.536 INFO kablam!     |
Nov 03 08:55:00.536 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Nov 03 08:55:00.536 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 03 08:55:00.537 INFO kablam! 
Nov 03 08:55:00.537 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 03 08:55:00.537 INFO kablam!    --> src/lib.rs:128:9
Nov 03 08:55:00.537 INFO kablam!     |
Nov 03 08:55:00.538 INFO kablam! 128 | /         (&mut r[j..]).write_u32::<LittleEndian>(
Nov 03 08:55:00.538 INFO kablam! 129 | |             fnv((&a[j..]).read_u32::<LittleEndian>().unwrap(),
Nov 03 08:55:00.538 INFO kablam! 130 | |                 (&b[j..]).read_u32::<LittleEndian>().unwrap()));
Nov 03 08:55:00.538 INFO kablam!     | |________________________________________________________________^
Nov 03 08:55:00.538 INFO kablam!     |
Nov 03 08:55:00.539 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 03 08:55:00.539 INFO kablam! 
Nov 03 08:55:00.539 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 03 08:55:00.539 INFO kablam!    --> src/lib.rs:152:5
Nov 03 08:55:00.540 INFO kablam!     |
Nov 03 08:55:00.540 INFO kablam! 152 |     mix.as_mut().write_u32::<LittleEndian>(mix_first32);
Nov 03 08:55:00.540 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 08:55:00.540 INFO kablam!     |
Nov 03 08:55:00.540 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 03 08:55:00.541 INFO kablam! 
Nov 03 08:55:00.541 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 03 08:55:00.541 INFO kablam!    --> src/lib.rs:230:9
Nov 03 08:55:00.541 INFO kablam!     |
Nov 03 08:55:00.542 INFO kablam! 230 |         (&mut cmix[j..]).write_u32::<LittleEndian>(c);
Nov 03 08:55:00.542 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 08:55:00.542 INFO kablam!     |
Nov 03 08:55:00.542 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 03 08:55:00.542 INFO kablam! 
Nov 03 08:55:10.233 INFO kablam!     Checking ethereum-block v0.3.5
Nov 03 08:55:15.211 INFO kablam! warning: unused import: `H1024`
Nov 03 08:55:15.212 INFO kablam!   --> src/lib.rs:17:14
Nov 03 08:55:15.212 INFO kablam!    |
Nov 03 08:55:15.212 INFO kablam! 17 | use bigint::{H1024, U256, H256, H64, H512};
Nov 03 08:55:15.212 INFO kablam!    |              ^^^^^
Nov 03 08:55:15.212 INFO kablam!    |
Nov 03 08:55:15.212 INFO kablam!    = note: #[warn(unused_imports)] on by default
Nov 03 08:55:15.212 INFO kablam! 
Nov 03 08:55:15.444 INFO kablam! warning: unused variable: `a32`
Nov 03 08:55:15.445 INFO kablam!    --> src/lib.rs:111:13
Nov 03 08:55:15.445 INFO kablam!     |
Nov 03 08:55:15.445 INFO kablam! 111 |         let a32 = (&a[j..]).read_u32::<LittleEndian>().unwrap();
Nov 03 08:55:15.445 INFO kablam!     |             ^^^ help: consider using `_a32` instead
Nov 03 08:55:15.445 INFO kablam!     |
Nov 03 08:55:15.446 INFO kablam!     = note: #[warn(unused_variables)] on by default
Nov 03 08:55:15.446 INFO kablam! 
Nov 03 08:55:15.446 INFO kablam! warning: unused variable: `b32`
Nov 03 08:55:15.446 INFO kablam!    --> src/lib.rs:112:13
Nov 03 08:55:15.446 INFO kablam!     |
Nov 03 08:55:15.447 INFO kablam! 112 |         let b32 = (&b[j..]).read_u32::<LittleEndian>().unwrap();
Nov 03 08:55:15.447 INFO kablam!     |             ^^^ help: consider using `_b32` instead
Nov 03 08:55:15.447 INFO kablam! 
Nov 03 08:55:15.447 INFO kablam! warning: unused variable: `a32`
Nov 03 08:55:15.447 INFO kablam!    --> src/lib.rs:125:13
Nov 03 08:55:15.448 INFO kablam!     |
Nov 03 08:55:15.448 INFO kablam! 125 |         let a32 = (&a[j..]).read_u32::<LittleEndian>().unwrap();
Nov 03 08:55:15.448 INFO kablam!     |             ^^^ help: consider using `_a32` instead
Nov 03 08:55:15.448 INFO kablam! 
Nov 03 08:55:15.448 INFO kablam! warning: unused variable: `b32`
Nov 03 08:55:15.449 INFO kablam!    --> src/lib.rs:126:13
Nov 03 08:55:15.449 INFO kablam!     |
Nov 03 08:55:15.449 INFO kablam! 126 |         let b32 = (&b[j..]).read_u32::<LittleEndian>().unwrap();
Nov 03 08:55:15.449 INFO kablam!     |             ^^^ help: consider using `_b32` instead
Nov 03 08:55:15.449 INFO kablam! 
Nov 03 08:55:15.450 INFO kablam! warning: unused variable: `n`
Nov 03 08:55:15.450 INFO kablam!    --> src/lib.rs:136:9
Nov 03 08:55:15.450 INFO kablam!     |
Nov 03 08:55:15.450 INFO kablam! 136 |     let n = a.len();
Nov 03 08:55:15.450 INFO kablam!     |         ^ help: consider using `_n` instead
Nov 03 08:55:15.451 INFO kablam! 
Nov 03 08:55:15.451 INFO kablam! warning: unused variable: `i`
Nov 03 08:55:15.451 INFO kablam!    --> src/lib.rs:307:9
Nov 03 08:55:15.451 INFO kablam!     |
Nov 03 08:55:15.451 INFO kablam! 307 |     for i in 0..epoch {
Nov 03 08:55:15.451 INFO kablam!     |         ^ help: consider using `_i` instead
Nov 03 08:55:15.452 INFO kablam! 
Nov 03 08:55:15.491 INFO kablam! warning: field is never used: `cache_size`
Nov 03 08:55:15.491 INFO kablam!   --> src/dag.rs:16:5
Nov 03 08:55:15.491 INFO kablam!    |
Nov 03 08:55:15.491 INFO kablam! 16 |     cache_size: usize,
Nov 03 08:55:15.491 INFO kablam!    |     ^^^^^^^^^^^^^^^^^
Nov 03 08:55:15.491 INFO kablam!    |
Nov 03 08:55:15.491 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 03 08:55:15.491 INFO kablam! 
Nov 03 08:55:15.492 INFO kablam! warning: constant item is never used: `CACHE_MULTIPLIER`
Nov 03 08:55:15.492 INFO kablam!   --> src/lib.rs:26:1
Nov 03 08:55:15.492 INFO kablam!    |
Nov 03 08:55:15.492 INFO kablam! 26 | const CACHE_MULTIPLIER: usize = 1024;
Nov 03 08:55:15.492 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 08:55:15.492 INFO kablam! 
Nov 03 08:55:15.492 INFO kablam! warning: constant item is never used: `FNV_PRIME`
Nov 03 08:55:15.492 INFO kablam!   --> src/lib.rs:99:1
Nov 03 08:55:15.492 INFO kablam!    |
Nov 03 08:55:15.492 INFO kablam! 99 | const FNV_PRIME: u32 = 0x01000193;
Nov 03 08:55:15.492 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 08:55:15.492 INFO kablam! 
Nov 03 08:55:15.492 INFO kablam! warning: function is never used: `u8s_to_u32`
Nov 03 08:55:15.492 INFO kablam!    --> src/lib.rs:135:1
Nov 03 08:55:15.492 INFO kablam!     |
Nov 03 08:55:15.492 INFO kablam! 135 | fn u8s_to_u32(a: &[u8]) -> u32 {
Nov 03 08:55:15.492 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 08:55:15.492 INFO kablam! 
Nov 03 08:55:15.496 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 03 08:55:15.497 INFO kablam!    --> src/lib.rs:114:9
Nov 03 08:55:15.497 INFO kablam!     |
Nov 03 08:55:15.497 INFO kablam! 114 | /         (&mut r[j..]).write_u32::<LittleEndian>(
Nov 03 08:55:15.497 INFO kablam! 115 | |             fnv((&a[j..]).read_u32::<LittleEndian>().unwrap(),
Nov 03 08:55:15.497 INFO kablam! 116 | |                 (&b[j..]).read_u32::<LittleEndian>().unwrap()));
Nov 03 08:55:15.497 INFO kablam!     | |________________________________________________________________^
Nov 03 08:55:15.497 INFO kablam!     |
Nov 03 08:55:15.497 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Nov 03 08:55:15.497 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 03 08:55:15.497 INFO kablam! 
Nov 03 08:55:15.497 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 03 08:55:15.497 INFO kablam!    --> src/lib.rs:128:9
Nov 03 08:55:15.497 INFO kablam!     |
Nov 03 08:55:15.497 INFO kablam! 128 | /         (&mut r[j..]).write_u32::<LittleEndian>(
Nov 03 08:55:15.497 INFO kablam! 129 | |             fnv((&a[j..]).read_u32::<LittleEndian>().unwrap(),
Nov 03 08:55:15.497 INFO kablam! 130 | |                 (&b[j..]).read_u32::<LittleEndian>().unwrap()));
Nov 03 08:55:15.497 INFO kablam!     | |________________________________________________________________^
Nov 03 08:55:15.497 INFO kablam!     |
Nov 03 08:55:15.497 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 03 08:55:15.497 INFO kablam! 
Nov 03 08:55:15.497 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 03 08:55:15.497 INFO kablam!    --> src/lib.rs:152:5
Nov 03 08:55:15.497 INFO kablam!     |
Nov 03 08:55:15.497 INFO kablam! 152 |     mix.as_mut().write_u32::<LittleEndian>(mix_first32);
Nov 03 08:55:15.497 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 08:55:15.497 INFO kablam!     |
Nov 03 08:55:15.497 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 03 08:55:15.497 INFO kablam! 
Nov 03 08:55:15.500 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 03 08:55:15.500 INFO kablam!    --> src/lib.rs:230:9
Nov 03 08:55:15.500 INFO kablam!     |
Nov 03 08:55:15.500 INFO kablam! 230 |         (&mut cmix[j..]).write_u32::<LittleEndian>(c);
Nov 03 08:55:15.500 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 08:55:15.500 INFO kablam!     |
Nov 03 08:55:15.500 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 03 08:55:15.500 INFO kablam! 
Nov 03 08:55:15.644 INFO kablam! warning: unused import: `blockchain::chain::HeaderHash`
Nov 03 08:55:15.652 INFO kablam!   --> tests/headers.rs:13:5
Nov 03 08:55:15.652 INFO kablam!    |
Nov 03 08:55:15.652 INFO kablam! 13 | use blockchain::chain::HeaderHash;
Nov 03 08:55:15.652 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 08:55:15.652 INFO kablam!    |
Nov 03 08:55:15.652 INFO kablam!    = note: #[warn(unused_imports)] on by default
Nov 03 08:55:15.652 INFO kablam! 
Nov 03 08:55:15.791 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 24.24s
Nov 03 08:55:15.797 INFO kablam! su: No module specific data is present
Nov 03 08:55:16.340 INFO running `"docker" "rm" "-f" "9eabe175b8015c051d7e839f08abb3cb1bd7ad8f93e86144ad7f2bb97b9bac18"`
Nov 03 08:55:16.648 INFO blam! 9eabe175b8015c051d7e839f08abb3cb1bd7ad8f93e86144ad7f2bb97b9bac18