Dec 03 12:40:54.775 INFO testing ethash-0.3.1 against 1.30.1 for beta-1.31-5
Dec 03 12:40:54.775 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/beta-1.31-5/1.30.1:/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 +1.30.1 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 03 12:40:54.963 INFO [stdout] 206d99e508b9be1510f3fb106ff5a222de1e48cc0d228ca761616b9c1c3597c9
Dec 03 12:40:54.965 INFO running `"docker" "start" "-a" "206d99e508b9be1510f3fb106ff5a222de1e48cc0d228ca761616b9c1c3597c9"`
Dec 03 12:40:55.577 INFO [stderr] usermod: no changes
Dec 03 12:40:55.699 INFO [stderr]    Compiling ethereum-hexutil v0.2.3
Dec 03 12:40:55.707 INFO [stderr]    Compiling sha3 v0.6.0
Dec 03 12:40:56.768 INFO [stderr]    Compiling ethereum-rlp v0.2.3
Dec 03 12:40:58.399 INFO [stderr]    Compiling ethereum-bigint v0.2.9
Dec 03 12:41:02.299 INFO [stderr]    Compiling ethash v0.3.1 (/source)
Dec 03 12:41:03.867 INFO [stderr] warning: unused import: `H1024`
Dec 03 12:41:03.867 INFO [stderr]   --> src/lib.rs:17:14
Dec 03 12:41:03.867 INFO [stderr]    |
Dec 03 12:41:03.867 INFO [stderr] 17 | use bigint::{H1024, U256, H256, H64, H512};
Dec 03 12:41:03.867 INFO [stderr]    |              ^^^^^
Dec 03 12:41:03.867 INFO [stderr]    |
Dec 03 12:41:03.867 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 03 12:41:03.867 INFO [stderr] 
Dec 03 12:41:04.067 INFO [stderr] warning: unused variable: `a32`
Dec 03 12:41:04.067 INFO [stderr]    --> src/lib.rs:111:13
Dec 03 12:41:04.067 INFO [stderr]     |
Dec 03 12:41:04.067 INFO [stderr] 111 |         let a32 = (&a[j..]).read_u32::<LittleEndian>().unwrap();
Dec 03 12:41:04.067 INFO [stderr]     |             ^^^ help: consider using `_a32` instead
Dec 03 12:41:04.067 INFO [stderr]     |
Dec 03 12:41:04.067 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 03 12:41:04.067 INFO [stderr] 
Dec 03 12:41:04.067 INFO [stderr] warning: unused variable: `b32`
Dec 03 12:41:04.067 INFO [stderr]    --> src/lib.rs:112:13
Dec 03 12:41:04.067 INFO [stderr]     |
Dec 03 12:41:04.067 INFO [stderr] 112 |         let b32 = (&b[j..]).read_u32::<LittleEndian>().unwrap();
Dec 03 12:41:04.067 INFO [stderr]     |             ^^^ help: consider using `_b32` instead
Dec 03 12:41:04.067 INFO [stderr] 
Dec 03 12:41:04.067 INFO [stderr] warning: unused variable: `a32`
Dec 03 12:41:04.067 INFO [stderr]    --> src/lib.rs:125:13
Dec 03 12:41:04.067 INFO [stderr]     |
Dec 03 12:41:04.067 INFO [stderr] 125 |         let a32 = (&a[j..]).read_u32::<LittleEndian>().unwrap();
Dec 03 12:41:04.067 INFO [stderr]     |             ^^^ help: consider using `_a32` instead
Dec 03 12:41:04.067 INFO [stderr] 
Dec 03 12:41:04.067 INFO [stderr] warning: unused variable: `b32`
Dec 03 12:41:04.067 INFO [stderr]    --> src/lib.rs:126:13
Dec 03 12:41:04.067 INFO [stderr]     |
Dec 03 12:41:04.067 INFO [stderr] 126 |         let b32 = (&b[j..]).read_u32::<LittleEndian>().unwrap();
Dec 03 12:41:04.067 INFO [stderr]     |             ^^^ help: consider using `_b32` instead
Dec 03 12:41:04.067 INFO [stderr] 
Dec 03 12:41:04.067 INFO [stderr] warning: unused variable: `n`
Dec 03 12:41:04.067 INFO [stderr]    --> src/lib.rs:136:9
Dec 03 12:41:04.067 INFO [stderr]     |
Dec 03 12:41:04.067 INFO [stderr] 136 |     let n = a.len();
Dec 03 12:41:04.067 INFO [stderr]     |         ^ help: consider using `_n` instead
Dec 03 12:41:04.067 INFO [stderr] 
Dec 03 12:41:04.067 INFO [stderr] warning: unused variable: `i`
Dec 03 12:41:04.067 INFO [stderr]    --> src/lib.rs:307:9
Dec 03 12:41:04.067 INFO [stderr]     |
Dec 03 12:41:04.067 INFO [stderr] 307 |     for i in 0..epoch {
Dec 03 12:41:04.067 INFO [stderr]     |         ^ help: consider using `_i` instead
Dec 03 12:41:04.067 INFO [stderr] 
Dec 03 12:41:04.107 INFO [stderr] warning: field is never used: `cache_size`
Dec 03 12:41:04.107 INFO [stderr]   --> src/dag.rs:16:5
Dec 03 12:41:04.107 INFO [stderr]    |
Dec 03 12:41:04.107 INFO [stderr] 16 |     cache_size: usize,
Dec 03 12:41:04.107 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 03 12:41:04.107 INFO [stderr]    |
Dec 03 12:41:04.107 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 03 12:41:04.107 INFO [stderr] 
Dec 03 12:41:04.107 INFO [stderr] warning: constant item is never used: `CACHE_MULTIPLIER`
Dec 03 12:41:04.107 INFO [stderr]   --> src/lib.rs:26:1
Dec 03 12:41:04.107 INFO [stderr]    |
Dec 03 12:41:04.107 INFO [stderr] 26 | const CACHE_MULTIPLIER: usize = 1024;
Dec 03 12:41:04.107 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 12:41:04.107 INFO [stderr] 
Dec 03 12:41:04.107 INFO [stderr] warning: constant item is never used: `FNV_PRIME`
Dec 03 12:41:04.107 INFO [stderr]   --> src/lib.rs:99:1
Dec 03 12:41:04.107 INFO [stderr]    |
Dec 03 12:41:04.107 INFO [stderr] 99 | const FNV_PRIME: u32 = 0x01000193;
Dec 03 12:41:04.107 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 12:41:04.107 INFO [stderr] 
Dec 03 12:41:04.107 INFO [stderr] warning: function is never used: `u8s_to_u32`
Dec 03 12:41:04.107 INFO [stderr]    --> src/lib.rs:135:1
Dec 03 12:41:04.107 INFO [stderr]     |
Dec 03 12:41:04.107 INFO [stderr] 135 | fn u8s_to_u32(a: &[u8]) -> u32 {
Dec 03 12:41:04.107 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 12:41:04.107 INFO [stderr] 
Dec 03 12:41:04.115 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 03 12:41:04.115 INFO [stderr]    --> src/lib.rs:114:9
Dec 03 12:41:04.115 INFO [stderr]     |
Dec 03 12:41:04.115 INFO [stderr] 114 | /         (&mut r[j..]).write_u32::<LittleEndian>(
Dec 03 12:41:04.115 INFO [stderr] 115 | |             fnv((&a[j..]).read_u32::<LittleEndian>().unwrap(),
Dec 03 12:41:04.115 INFO [stderr] 116 | |                 (&b[j..]).read_u32::<LittleEndian>().unwrap()));
Dec 03 12:41:04.115 INFO [stderr]     | |________________________________________________________________^
Dec 03 12:41:04.115 INFO [stderr]     |
Dec 03 12:41:04.115 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 03 12:41:04.115 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 03 12:41:04.115 INFO [stderr] 
Dec 03 12:41:04.115 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 03 12:41:04.115 INFO [stderr]    --> src/lib.rs:128:9
Dec 03 12:41:04.115 INFO [stderr]     |
Dec 03 12:41:04.115 INFO [stderr] 128 | /         (&mut r[j..]).write_u32::<LittleEndian>(
Dec 03 12:41:04.115 INFO [stderr] 129 | |             fnv((&a[j..]).read_u32::<LittleEndian>().unwrap(),
Dec 03 12:41:04.115 INFO [stderr] 130 | |                 (&b[j..]).read_u32::<LittleEndian>().unwrap()));
Dec 03 12:41:04.115 INFO [stderr]     | |________________________________________________________________^
Dec 03 12:41:04.115 INFO [stderr]     |
Dec 03 12:41:04.115 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 03 12:41:04.115 INFO [stderr] 
Dec 03 12:41:04.115 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 03 12:41:04.115 INFO [stderr]    --> src/lib.rs:152:5
Dec 03 12:41:04.115 INFO [stderr]     |
Dec 03 12:41:04.115 INFO [stderr] 152 |     mix.as_mut().write_u32::<LittleEndian>(mix_first32);
Dec 03 12:41:04.115 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 12:41:04.115 INFO [stderr]     |
Dec 03 12:41:04.115 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 03 12:41:04.115 INFO [stderr] 
Dec 03 12:41:04.115 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 03 12:41:04.115 INFO [stderr]    --> src/lib.rs:230:9
Dec 03 12:41:04.115 INFO [stderr]     |
Dec 03 12:41:04.115 INFO [stderr] 230 |         (&mut cmix[j..]).write_u32::<LittleEndian>(c);
Dec 03 12:41:04.115 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 12:41:04.115 INFO [stderr]     |
Dec 03 12:41:04.115 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 03 12:41:04.115 INFO [stderr] 
Dec 03 12:41:04.484 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.89s
Dec 03 12:41:04.491 INFO [stderr] su: No module specific data is present
Dec 03 12:41:05.370 INFO running `"docker" "inspect" "206d99e508b9be1510f3fb106ff5a222de1e48cc0d228ca761616b9c1c3597c9"`
Dec 03 12:41:05.648 INFO running `"docker" "rm" "-f" "206d99e508b9be1510f3fb106ff5a222de1e48cc0d228ca761616b9c1c3597c9"`
Dec 03 12:41:05.839 INFO [stdout] 206d99e508b9be1510f3fb106ff5a222de1e48cc0d228ca761616b9c1c3597c9
Dec 03 12:41:05.845 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/beta-1.31-5/1.30.1:/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 +1.30.1 test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 03 12:41:06.116 INFO [stdout] 447a76a95c42b4db8376de2bcf0282eafc73c0100d6ceb5b8909f64ced7beb43
Dec 03 12:41:06.120 INFO running `"docker" "start" "-a" "447a76a95c42b4db8376de2bcf0282eafc73c0100d6ceb5b8909f64ced7beb43"`
Dec 03 12:41:06.678 INFO [stderr] usermod: no changes
Dec 03 12:41:06.745 INFO [stderr]    Compiling blockchain v0.2.0
Dec 03 12:41:06.745 INFO [stderr]    Compiling blockchain v0.1.9
Dec 03 12:41:06.747 INFO [stderr]    Compiling hmac v0.4.2
Dec 03 12:41:06.747 INFO [stderr]    Compiling ethereum-trie v0.3.8
Dec 03 12:41:06.747 INFO [stderr]    Compiling ethereum-bloom v0.2.1
Dec 03 12:41:06.747 INFO [stderr]    Compiling ethereum-block-core v0.1.0
Dec 03 12:41:07.617 INFO [stderr]    Compiling hmac-drbg v0.1.2
Dec 03 12:41:08.699 INFO [stderr]    Compiling libsecp256k1 v0.1.15
Dec 03 12:41:24.749 INFO [stderr]    Compiling ethereum-block v0.3.5
Dec 03 12:41:28.274 INFO [stderr]    Compiling ethash v0.3.1 (/source)
Dec 03 12:41:30.135 INFO [stderr] warning: unused import: `H1024`
Dec 03 12:41:30.135 INFO [stderr]   --> src/lib.rs:17:14
Dec 03 12:41:30.135 INFO [stderr]    |
Dec 03 12:41:30.135 INFO [stderr] 17 | use bigint::{H1024, U256, H256, H64, H512};
Dec 03 12:41:30.135 INFO [stderr]    |              ^^^^^
Dec 03 12:41:30.135 INFO [stderr]    |
Dec 03 12:41:30.135 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 03 12:41:30.135 INFO [stderr] 
Dec 03 12:41:30.341 INFO [stderr] warning: unused variable: `a32`
Dec 03 12:41:30.341 INFO [stderr]    --> src/lib.rs:111:13
Dec 03 12:41:30.341 INFO [stderr]     |
Dec 03 12:41:30.341 INFO [stderr] 111 |         let a32 = (&a[j..]).read_u32::<LittleEndian>().unwrap();
Dec 03 12:41:30.341 INFO [stderr]     |             ^^^ help: consider using `_a32` instead
Dec 03 12:41:30.341 INFO [stderr]     |
Dec 03 12:41:30.341 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 03 12:41:30.341 INFO [stderr] 
Dec 03 12:41:30.341 INFO [stderr] warning: unused variable: `b32`
Dec 03 12:41:30.341 INFO [stderr]    --> src/lib.rs:112:13
Dec 03 12:41:30.341 INFO [stderr]     |
Dec 03 12:41:30.341 INFO [stderr] 112 |         let b32 = (&b[j..]).read_u32::<LittleEndian>().unwrap();
Dec 03 12:41:30.341 INFO [stderr]     |             ^^^ help: consider using `_b32` instead
Dec 03 12:41:30.341 INFO [stderr] 
Dec 03 12:41:30.341 INFO [stderr] warning: unused variable: `a32`
Dec 03 12:41:30.341 INFO [stderr]    --> src/lib.rs:125:13
Dec 03 12:41:30.341 INFO [stderr]     |
Dec 03 12:41:30.341 INFO [stderr] 125 |         let a32 = (&a[j..]).read_u32::<LittleEndian>().unwrap();
Dec 03 12:41:30.341 INFO [stderr]     |             ^^^ help: consider using `_a32` instead
Dec 03 12:41:30.341 INFO [stderr] 
Dec 03 12:41:30.341 INFO [stderr] warning: unused variable: `b32`
Dec 03 12:41:30.341 INFO [stderr]    --> src/lib.rs:126:13
Dec 03 12:41:30.341 INFO [stderr]     |
Dec 03 12:41:30.341 INFO [stderr] 126 |         let b32 = (&b[j..]).read_u32::<LittleEndian>().unwrap();
Dec 03 12:41:30.341 INFO [stderr]     |             ^^^ help: consider using `_b32` instead
Dec 03 12:41:30.341 INFO [stderr] 
Dec 03 12:41:30.341 INFO [stderr] warning: unused variable: `n`
Dec 03 12:41:30.341 INFO [stderr]    --> src/lib.rs:136:9
Dec 03 12:41:30.341 INFO [stderr]     |
Dec 03 12:41:30.341 INFO [stderr] 136 |     let n = a.len();
Dec 03 12:41:30.341 INFO [stderr]     |         ^ help: consider using `_n` instead
Dec 03 12:41:30.341 INFO [stderr] 
Dec 03 12:41:30.341 INFO [stderr] warning: unused variable: `i`
Dec 03 12:41:30.341 INFO [stderr]    --> src/lib.rs:307:9
Dec 03 12:41:30.341 INFO [stderr]     |
Dec 03 12:41:30.341 INFO [stderr] 307 |     for i in 0..epoch {
Dec 03 12:41:30.341 INFO [stderr]     |         ^ help: consider using `_i` instead
Dec 03 12:41:30.341 INFO [stderr] 
Dec 03 12:41:30.389 INFO [stderr] warning: field is never used: `cache_size`
Dec 03 12:41:30.389 INFO [stderr]   --> src/dag.rs:16:5
Dec 03 12:41:30.389 INFO [stderr]    |
Dec 03 12:41:30.389 INFO [stderr] 16 |     cache_size: usize,
Dec 03 12:41:30.389 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 03 12:41:30.389 INFO [stderr]    |
Dec 03 12:41:30.389 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 03 12:41:30.389 INFO [stderr] 
Dec 03 12:41:30.389 INFO [stderr] warning: constant item is never used: `CACHE_MULTIPLIER`
Dec 03 12:41:30.389 INFO [stderr]   --> src/lib.rs:26:1
Dec 03 12:41:30.389 INFO [stderr]    |
Dec 03 12:41:30.389 INFO [stderr] 26 | const CACHE_MULTIPLIER: usize = 1024;
Dec 03 12:41:30.389 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 12:41:30.389 INFO [stderr] 
Dec 03 12:41:30.390 INFO [stderr] warning: constant item is never used: `FNV_PRIME`
Dec 03 12:41:30.390 INFO [stderr]   --> src/lib.rs:99:1
Dec 03 12:41:30.390 INFO [stderr]    |
Dec 03 12:41:30.390 INFO [stderr] 99 | const FNV_PRIME: u32 = 0x01000193;
Dec 03 12:41:30.390 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 12:41:30.390 INFO [stderr] 
Dec 03 12:41:30.390 INFO [stderr] warning: function is never used: `u8s_to_u32`
Dec 03 12:41:30.390 INFO [stderr]    --> src/lib.rs:135:1
Dec 03 12:41:30.390 INFO [stderr]     |
Dec 03 12:41:30.390 INFO [stderr] 135 | fn u8s_to_u32(a: &[u8]) -> u32 {
Dec 03 12:41:30.390 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 12:41:30.390 INFO [stderr] 
Dec 03 12:41:30.390 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 03 12:41:30.390 INFO [stderr]    --> src/lib.rs:114:9
Dec 03 12:41:30.390 INFO [stderr]     |
Dec 03 12:41:30.390 INFO [stderr] 114 | /         (&mut r[j..]).write_u32::<LittleEndian>(
Dec 03 12:41:30.390 INFO [stderr] 115 | |             fnv((&a[j..]).read_u32::<LittleEndian>().unwrap(),
Dec 03 12:41:30.390 INFO [stderr] 116 | |                 (&b[j..]).read_u32::<LittleEndian>().unwrap()));
Dec 03 12:41:30.390 INFO [stderr]     | |________________________________________________________________^
Dec 03 12:41:30.390 INFO [stderr]     |
Dec 03 12:41:30.390 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 03 12:41:30.390 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 03 12:41:30.390 INFO [stderr] 
Dec 03 12:41:30.390 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 03 12:41:30.390 INFO [stderr]    --> src/lib.rs:128:9
Dec 03 12:41:30.390 INFO [stderr]     |
Dec 03 12:41:30.390 INFO [stderr] 128 | /         (&mut r[j..]).write_u32::<LittleEndian>(
Dec 03 12:41:30.390 INFO [stderr] 129 | |             fnv((&a[j..]).read_u32::<LittleEndian>().unwrap(),
Dec 03 12:41:30.390 INFO [stderr] 130 | |                 (&b[j..]).read_u32::<LittleEndian>().unwrap()));
Dec 03 12:41:30.390 INFO [stderr]     | |________________________________________________________________^
Dec 03 12:41:30.390 INFO [stderr]     |
Dec 03 12:41:30.390 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 03 12:41:30.390 INFO [stderr] 
Dec 03 12:41:30.390 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 03 12:41:30.390 INFO [stderr]    --> src/lib.rs:152:5
Dec 03 12:41:30.390 INFO [stderr]     |
Dec 03 12:41:30.390 INFO [stderr] 152 |     mix.as_mut().write_u32::<LittleEndian>(mix_first32);
Dec 03 12:41:30.390 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 12:41:30.390 INFO [stderr]     |
Dec 03 12:41:30.390 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 03 12:41:30.390 INFO [stderr] 
Dec 03 12:41:30.390 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 03 12:41:30.390 INFO [stderr]    --> src/lib.rs:230:9
Dec 03 12:41:30.390 INFO [stderr]     |
Dec 03 12:41:30.390 INFO [stderr] 230 |         (&mut cmix[j..]).write_u32::<LittleEndian>(c);
Dec 03 12:41:30.390 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 12:41:30.390 INFO [stderr]     |
Dec 03 12:41:30.390 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 03 12:41:30.390 INFO [stderr] 
Dec 03 12:41:31.379 INFO [stderr] warning: unused import: `blockchain::chain::HeaderHash`
Dec 03 12:41:31.379 INFO [stderr]   --> tests/headers.rs:13:5
Dec 03 12:41:31.379 INFO [stderr]    |
Dec 03 12:41:31.379 INFO [stderr] 13 | use blockchain::chain::HeaderHash;
Dec 03 12:41:31.379 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 12:41:31.379 INFO [stderr]    |
Dec 03 12:41:31.379 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 03 12:41:31.379 INFO [stderr] 
Dec 03 12:41:32.378 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.69s
Dec 03 12:41:32.383 INFO [stderr] su: No module specific data is present
Dec 03 12:41:33.240 INFO running `"docker" "inspect" "447a76a95c42b4db8376de2bcf0282eafc73c0100d6ceb5b8909f64ced7beb43"`
Dec 03 12:41:33.595 INFO running `"docker" "rm" "-f" "447a76a95c42b4db8376de2bcf0282eafc73c0100d6ceb5b8909f64ced7beb43"`
Dec 03 12:41:33.974 INFO [stdout] 447a76a95c42b4db8376de2bcf0282eafc73c0100d6ceb5b8909f64ced7beb43
Dec 03 12:41:33.979 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/beta-1.31-5/1.30.1:/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 +1.30.1 test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 03 12:41:34.496 INFO [stdout] 356526e25db676ad6eb885bec59397eb1476c91b004c26eda23cbddff5d7bb4b
Dec 03 12:41:34.498 INFO running `"docker" "start" "-a" "356526e25db676ad6eb885bec59397eb1476c91b004c26eda23cbddff5d7bb4b"`
Dec 03 12:41:35.506 INFO [stderr] usermod: no changes
Dec 03 12:41:35.647 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
Dec 03 12:41:35.663 INFO [stderr]      Running /target/debug/deps/ethash-3b219aa336d7729f
Dec 03 12:41:35.663 INFO [stderr]      Running /target/debug/deps/headers-5c0505cf345f8551
Dec 03 12:41:35.663 INFO [stdout] 
Dec 03 12:41:35.663 INFO [stdout] running 0 tests
Dec 03 12:41:35.663 INFO [stdout] 
Dec 03 12:41:35.663 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 03 12:41:35.663 INFO [stdout] 
Dec 03 12:41:35.663 INFO [stdout] 
Dec 03 12:41:35.663 INFO [stdout] running 2 tests
Dec 03 12:42:35.671 INFO [stdout] test header2 ... test header2 has been running for over 60 seconds
Dec 03 12:42:35.671 INFO [stdout] test header1 ... test header1 has been running for over 60 seconds
Dec 03 12:44:05.571 INFO [stdout] test header2 ... ok
Dec 03 12:44:06.471 INFO [stdout] test header1 ... ok
Dec 03 12:44:06.471 INFO [stdout] 
Dec 03 12:44:06.472 INFO [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 03 12:44:06.472 INFO [stdout] 
Dec 03 12:44:06.473 INFO [stderr]    Doc-tests ethash
Dec 03 12:44:09.697 INFO [stdout] 
Dec 03 12:44:09.697 INFO [stdout] running 0 tests
Dec 03 12:44:09.697 INFO [stdout] 
Dec 03 12:44:09.697 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 03 12:44:09.697 INFO [stdout] 
Dec 03 12:44:09.704 INFO [stderr] su: No module specific data is present
Dec 03 12:44:10.328 INFO running `"docker" "inspect" "356526e25db676ad6eb885bec59397eb1476c91b004c26eda23cbddff5d7bb4b"`
Dec 03 12:44:10.743 INFO running `"docker" "rm" "-f" "356526e25db676ad6eb885bec59397eb1476c91b004c26eda23cbddff5d7bb4b"`
Dec 03 12:44:11.070 INFO [stdout] 356526e25db676ad6eb885bec59397eb1476c91b004c26eda23cbddff5d7bb4b
