Nov 18 14:54:41.405 INFO testing ethash-0.3.1 against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 18 14:54:41.406 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt build --frozen" "-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 18 14:54:41.619 INFO [stdout] 6c686a99456710fa07542ea82de27c81e8c3a84086bc14a0e1ae22b30f6f52ed
Nov 18 14:54:41.621 INFO running `"docker" "start" "-a" "6c686a99456710fa07542ea82de27c81e8c3a84086bc14a0e1ae22b30f6f52ed"`
Nov 18 14:54:42.076 INFO [stderr] usermod: no changes
Nov 18 14:54:42.141 INFO [stderr]    Compiling ethereum-hexutil v0.2.3
Nov 18 14:54:42.143 INFO [stderr]    Compiling sha3 v0.6.0
Nov 18 14:54:43.060 INFO [stderr]    Compiling ethereum-rlp v0.2.3
Nov 18 14:54:44.383 INFO [stderr]    Compiling ethereum-bigint v0.2.9
Nov 18 14:54:47.883 INFO [stderr]    Compiling ethash v0.3.1 (/source)
Nov 18 14:54:48.800 INFO [stderr] warning: unused import: `H1024`
Nov 18 14:54:48.800 INFO [stderr]   --> src/lib.rs:17:14
Nov 18 14:54:48.800 INFO [stderr]    |
Nov 18 14:54:48.800 INFO [stderr] 17 | use bigint::{H1024, U256, H256, H64, H512};
Nov 18 14:54:48.800 INFO [stderr]    |              ^^^^^
Nov 18 14:54:48.800 INFO [stderr]    |
Nov 18 14:54:48.800 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 18 14:54:48.800 INFO [stderr] 
Nov 18 14:54:49.002 INFO [stderr] warning: unused variable: `a32`
Nov 18 14:54:49.002 INFO [stderr]    --> src/lib.rs:111:13
Nov 18 14:54:49.002 INFO [stderr]     |
Nov 18 14:54:49.002 INFO [stderr] 111 |         let a32 = (&a[j..]).read_u32::<LittleEndian>().unwrap();
Nov 18 14:54:49.002 INFO [stderr]     |             ^^^ help: consider using `_a32` instead
Nov 18 14:54:49.002 INFO [stderr]     |
Nov 18 14:54:49.002 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 18 14:54:49.002 INFO [stderr] 
Nov 18 14:54:49.002 INFO [stderr] warning: unused variable: `b32`
Nov 18 14:54:49.002 INFO [stderr]    --> src/lib.rs:112:13
Nov 18 14:54:49.002 INFO [stderr]     |
Nov 18 14:54:49.002 INFO [stderr] 112 |         let b32 = (&b[j..]).read_u32::<LittleEndian>().unwrap();
Nov 18 14:54:49.002 INFO [stderr]     |             ^^^ help: consider using `_b32` instead
Nov 18 14:54:49.002 INFO [stderr] 
Nov 18 14:54:49.003 INFO [stderr] warning: unused variable: `a32`
Nov 18 14:54:49.003 INFO [stderr]    --> src/lib.rs:125:13
Nov 18 14:54:49.003 INFO [stderr]     |
Nov 18 14:54:49.003 INFO [stderr] 125 |         let a32 = (&a[j..]).read_u32::<LittleEndian>().unwrap();
Nov 18 14:54:49.003 INFO [stderr]     |             ^^^ help: consider using `_a32` instead
Nov 18 14:54:49.003 INFO [stderr] 
Nov 18 14:54:49.003 INFO [stderr] warning: unused variable: `b32`
Nov 18 14:54:49.003 INFO [stderr]    --> src/lib.rs:126:13
Nov 18 14:54:49.003 INFO [stderr]     |
Nov 18 14:54:49.003 INFO [stderr] 126 |         let b32 = (&b[j..]).read_u32::<LittleEndian>().unwrap();
Nov 18 14:54:49.003 INFO [stderr]     |             ^^^ help: consider using `_b32` instead
Nov 18 14:54:49.003 INFO [stderr] 
Nov 18 14:54:49.003 INFO [stderr] warning: unused variable: `n`
Nov 18 14:54:49.003 INFO [stderr]    --> src/lib.rs:136:9
Nov 18 14:54:49.003 INFO [stderr]     |
Nov 18 14:54:49.003 INFO [stderr] 136 |     let n = a.len();
Nov 18 14:54:49.003 INFO [stderr]     |         ^ help: consider using `_n` instead
Nov 18 14:54:49.003 INFO [stderr] 
Nov 18 14:54:49.003 INFO [stderr] warning: unused variable: `i`
Nov 18 14:54:49.003 INFO [stderr]    --> src/lib.rs:307:9
Nov 18 14:54:49.003 INFO [stderr]     |
Nov 18 14:54:49.003 INFO [stderr] 307 |     for i in 0..epoch {
Nov 18 14:54:49.003 INFO [stderr]     |         ^ help: consider using `_i` instead
Nov 18 14:54:49.003 INFO [stderr] 
Nov 18 14:54:49.016 INFO [stderr] warning: field is never used: `cache_size`
Nov 18 14:54:49.016 INFO [stderr]   --> src/dag.rs:16:5
Nov 18 14:54:49.016 INFO [stderr]    |
Nov 18 14:54:49.016 INFO [stderr] 16 |     cache_size: usize,
Nov 18 14:54:49.016 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Nov 18 14:54:49.016 INFO [stderr]    |
Nov 18 14:54:49.016 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 18 14:54:49.016 INFO [stderr] 
Nov 18 14:54:49.016 INFO [stderr] warning: constant item is never used: `CACHE_MULTIPLIER`
Nov 18 14:54:49.016 INFO [stderr]   --> src/lib.rs:26:1
Nov 18 14:54:49.016 INFO [stderr]    |
Nov 18 14:54:49.016 INFO [stderr] 26 | const CACHE_MULTIPLIER: usize = 1024;
Nov 18 14:54:49.016 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 14:54:49.016 INFO [stderr] 
Nov 18 14:54:49.016 INFO [stderr] warning: constant item is never used: `FNV_PRIME`
Nov 18 14:54:49.016 INFO [stderr]   --> src/lib.rs:99:1
Nov 18 14:54:49.016 INFO [stderr]    |
Nov 18 14:54:49.016 INFO [stderr] 99 | const FNV_PRIME: u32 = 0x01000193;
Nov 18 14:54:49.016 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 14:54:49.016 INFO [stderr] 
Nov 18 14:54:49.016 INFO [stderr] warning: function is never used: `u8s_to_u32`
Nov 18 14:54:49.016 INFO [stderr]    --> src/lib.rs:135:1
Nov 18 14:54:49.016 INFO [stderr]     |
Nov 18 14:54:49.016 INFO [stderr] 135 | fn u8s_to_u32(a: &[u8]) -> u32 {
Nov 18 14:54:49.016 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 14:54:49.016 INFO [stderr] 
Nov 18 14:54:49.019 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 18 14:54:49.019 INFO [stderr]    --> src/lib.rs:114:9
Nov 18 14:54:49.019 INFO [stderr]     |
Nov 18 14:54:49.019 INFO [stderr] 114 | /         (&mut r[j..]).write_u32::<LittleEndian>(
Nov 18 14:54:49.019 INFO [stderr] 115 | |             fnv((&a[j..]).read_u32::<LittleEndian>().unwrap(),
Nov 18 14:54:49.019 INFO [stderr] 116 | |                 (&b[j..]).read_u32::<LittleEndian>().unwrap()));
Nov 18 14:54:49.019 INFO [stderr]     | |________________________________________________________________^
Nov 18 14:54:49.019 INFO [stderr]     |
Nov 18 14:54:49.019 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 18 14:54:49.019 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 18 14:54:49.019 INFO [stderr] 
Nov 18 14:54:49.019 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 18 14:54:49.019 INFO [stderr]    --> src/lib.rs:128:9
Nov 18 14:54:49.019 INFO [stderr]     |
Nov 18 14:54:49.019 INFO [stderr] 128 | /         (&mut r[j..]).write_u32::<LittleEndian>(
Nov 18 14:54:49.019 INFO [stderr] 129 | |             fnv((&a[j..]).read_u32::<LittleEndian>().unwrap(),
Nov 18 14:54:49.019 INFO [stderr] 130 | |                 (&b[j..]).read_u32::<LittleEndian>().unwrap()));
Nov 18 14:54:49.019 INFO [stderr]     | |________________________________________________________________^
Nov 18 14:54:49.019 INFO [stderr]     |
Nov 18 14:54:49.019 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 18 14:54:49.019 INFO [stderr] 
Nov 18 14:54:49.019 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 18 14:54:49.019 INFO [stderr]    --> src/lib.rs:152:5
Nov 18 14:54:49.019 INFO [stderr]     |
Nov 18 14:54:49.019 INFO [stderr] 152 |     mix.as_mut().write_u32::<LittleEndian>(mix_first32);
Nov 18 14:54:49.019 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 14:54:49.019 INFO [stderr]     |
Nov 18 14:54:49.020 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 18 14:54:49.020 INFO [stderr] 
Nov 18 14:54:49.020 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 18 14:54:49.020 INFO [stderr]    --> src/lib.rs:230:9
Nov 18 14:54:49.020 INFO [stderr]     |
Nov 18 14:54:49.020 INFO [stderr] 230 |         (&mut cmix[j..]).write_u32::<LittleEndian>(c);
Nov 18 14:54:49.020 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 14:54:49.020 INFO [stderr]     |
Nov 18 14:54:49.020 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 18 14:54:49.020 INFO [stderr] 
Nov 18 14:54:49.193 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.10s
Nov 18 14:54:49.198 INFO [stderr] su: No module specific data is present
Nov 18 14:54:49.463 INFO running `"docker" "inspect" "6c686a99456710fa07542ea82de27c81e8c3a84086bc14a0e1ae22b30f6f52ed"`
Nov 18 14:54:49.547 INFO running `"docker" "rm" "-f" "6c686a99456710fa07542ea82de27c81e8c3a84086bc14a0e1ae22b30f6f52ed"`
Nov 18 14:54:49.674 INFO [stdout] 6c686a99456710fa07542ea82de27c81e8c3a84086bc14a0e1ae22b30f6f52ed
Nov 18 14:54:49.680 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen --no-run" "-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 18 14:54:50.028 INFO [stdout] 0c860103c0897ae290796c0f348d8fff7e4140c117b05966bc1ee612cc17341f
Nov 18 14:54:50.030 INFO running `"docker" "start" "-a" "0c860103c0897ae290796c0f348d8fff7e4140c117b05966bc1ee612cc17341f"`
Nov 18 14:54:50.691 INFO [stderr] usermod: no changes
Nov 18 14:54:50.806 INFO [stderr]    Compiling blockchain v0.1.9
Nov 18 14:54:50.807 INFO [stderr]    Compiling hmac v0.4.2
Nov 18 14:54:50.807 INFO [stderr]    Compiling ethereum-block-core v0.1.0
Nov 18 14:54:50.807 INFO [stderr]    Compiling ethereum-trie v0.3.8
Nov 18 14:54:50.807 INFO [stderr]    Compiling ethereum-bloom v0.2.1
Nov 18 14:54:51.339 INFO [stderr]    Compiling hmac-drbg v0.1.2
Nov 18 14:54:53.031 INFO [stderr]    Compiling libsecp256k1 v0.1.14
Nov 18 14:55:08.507 INFO [stderr]    Compiling ethereum-block v0.3.5
Nov 18 14:55:11.948 INFO [stderr]    Compiling ethash v0.3.1 (/source)
Nov 18 14:55:13.807 INFO [stderr] warning: unused import: `H1024`
Nov 18 14:55:13.807 INFO [stderr]   --> src/lib.rs:17:14
Nov 18 14:55:13.807 INFO [stderr]    |
Nov 18 14:55:13.807 INFO [stderr] 17 | use bigint::{H1024, U256, H256, H64, H512};
Nov 18 14:55:13.807 INFO [stderr]    |              ^^^^^
Nov 18 14:55:13.807 INFO [stderr]    |
Nov 18 14:55:13.807 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 18 14:55:13.807 INFO [stderr] 
Nov 18 14:55:14.155 INFO [stderr] warning: unused variable: `a32`
Nov 18 14:55:14.155 INFO [stderr]    --> src/lib.rs:111:13
Nov 18 14:55:14.155 INFO [stderr]     |
Nov 18 14:55:14.155 INFO [stderr] 111 |         let a32 = (&a[j..]).read_u32::<LittleEndian>().unwrap();
Nov 18 14:55:14.156 INFO [stderr]     |             ^^^ help: consider using `_a32` instead
Nov 18 14:55:14.156 INFO [stderr]     |
Nov 18 14:55:14.156 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 18 14:55:14.156 INFO [stderr] 
Nov 18 14:55:14.156 INFO [stderr] warning: unused variable: `b32`
Nov 18 14:55:14.156 INFO [stderr]    --> src/lib.rs:112:13
Nov 18 14:55:14.156 INFO [stderr]     |
Nov 18 14:55:14.156 INFO [stderr] 112 |         let b32 = (&b[j..]).read_u32::<LittleEndian>().unwrap();
Nov 18 14:55:14.156 INFO [stderr]     |             ^^^ help: consider using `_b32` instead
Nov 18 14:55:14.156 INFO [stderr] 
Nov 18 14:55:14.156 INFO [stderr] warning: unused variable: `a32`
Nov 18 14:55:14.156 INFO [stderr]    --> src/lib.rs:125:13
Nov 18 14:55:14.156 INFO [stderr]     |
Nov 18 14:55:14.156 INFO [stderr] 125 |         let a32 = (&a[j..]).read_u32::<LittleEndian>().unwrap();
Nov 18 14:55:14.156 INFO [stderr]     |             ^^^ help: consider using `_a32` instead
Nov 18 14:55:14.156 INFO [stderr] 
Nov 18 14:55:14.156 INFO [stderr] warning: unused variable: `b32`
Nov 18 14:55:14.156 INFO [stderr]    --> src/lib.rs:126:13
Nov 18 14:55:14.156 INFO [stderr]     |
Nov 18 14:55:14.156 INFO [stderr] 126 |         let b32 = (&b[j..]).read_u32::<LittleEndian>().unwrap();
Nov 18 14:55:14.156 INFO [stderr]     |             ^^^ help: consider using `_b32` instead
Nov 18 14:55:14.156 INFO [stderr] 
Nov 18 14:55:14.156 INFO [stderr] warning: unused variable: `n`
Nov 18 14:55:14.156 INFO [stderr]    --> src/lib.rs:136:9
Nov 18 14:55:14.156 INFO [stderr]     |
Nov 18 14:55:14.156 INFO [stderr] 136 |     let n = a.len();
Nov 18 14:55:14.156 INFO [stderr]     |         ^ help: consider using `_n` instead
Nov 18 14:55:14.156 INFO [stderr] 
Nov 18 14:55:14.156 INFO [stderr] warning: unused variable: `i`
Nov 18 14:55:14.156 INFO [stderr]    --> src/lib.rs:307:9
Nov 18 14:55:14.156 INFO [stderr]     |
Nov 18 14:55:14.156 INFO [stderr] 307 |     for i in 0..epoch {
Nov 18 14:55:14.156 INFO [stderr]     |         ^ help: consider using `_i` instead
Nov 18 14:55:14.156 INFO [stderr] 
Nov 18 14:55:14.212 INFO [stderr] warning: field is never used: `cache_size`
Nov 18 14:55:14.212 INFO [stderr]   --> src/dag.rs:16:5
Nov 18 14:55:14.212 INFO [stderr]    |
Nov 18 14:55:14.212 INFO [stderr] 16 |     cache_size: usize,
Nov 18 14:55:14.212 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Nov 18 14:55:14.212 INFO [stderr]    |
Nov 18 14:55:14.212 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 18 14:55:14.212 INFO [stderr] 
Nov 18 14:55:14.212 INFO [stderr] warning: constant item is never used: `CACHE_MULTIPLIER`
Nov 18 14:55:14.212 INFO [stderr]   --> src/lib.rs:26:1
Nov 18 14:55:14.212 INFO [stderr]    |
Nov 18 14:55:14.212 INFO [stderr] 26 | const CACHE_MULTIPLIER: usize = 1024;
Nov 18 14:55:14.212 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 14:55:14.212 INFO [stderr] 
Nov 18 14:55:14.212 INFO [stderr] warning: constant item is never used: `FNV_PRIME`
Nov 18 14:55:14.212 INFO [stderr]   --> src/lib.rs:99:1
Nov 18 14:55:14.212 INFO [stderr]    |
Nov 18 14:55:14.212 INFO [stderr] 99 | const FNV_PRIME: u32 = 0x01000193;
Nov 18 14:55:14.212 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 14:55:14.212 INFO [stderr] 
Nov 18 14:55:14.212 INFO [stderr] warning: function is never used: `u8s_to_u32`
Nov 18 14:55:14.212 INFO [stderr]    --> src/lib.rs:135:1
Nov 18 14:55:14.212 INFO [stderr]     |
Nov 18 14:55:14.212 INFO [stderr] 135 | fn u8s_to_u32(a: &[u8]) -> u32 {
Nov 18 14:55:14.212 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 14:55:14.212 INFO [stderr] 
Nov 18 14:55:14.223 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 18 14:55:14.223 INFO [stderr]    --> src/lib.rs:114:9
Nov 18 14:55:14.223 INFO [stderr]     |
Nov 18 14:55:14.223 INFO [stderr] 114 | /         (&mut r[j..]).write_u32::<LittleEndian>(
Nov 18 14:55:14.223 INFO [stderr] 115 | |             fnv((&a[j..]).read_u32::<LittleEndian>().unwrap(),
Nov 18 14:55:14.223 INFO [stderr] 116 | |                 (&b[j..]).read_u32::<LittleEndian>().unwrap()));
Nov 18 14:55:14.223 INFO [stderr]     | |________________________________________________________________^
Nov 18 14:55:14.223 INFO [stderr]     |
Nov 18 14:55:14.223 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 18 14:55:14.223 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 18 14:55:14.223 INFO [stderr] 
Nov 18 14:55:14.223 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 18 14:55:14.223 INFO [stderr]    --> src/lib.rs:128:9
Nov 18 14:55:14.223 INFO [stderr]     |
Nov 18 14:55:14.223 INFO [stderr] 128 | /         (&mut r[j..]).write_u32::<LittleEndian>(
Nov 18 14:55:14.223 INFO [stderr] 129 | |             fnv((&a[j..]).read_u32::<LittleEndian>().unwrap(),
Nov 18 14:55:14.223 INFO [stderr] 130 | |                 (&b[j..]).read_u32::<LittleEndian>().unwrap()));
Nov 18 14:55:14.223 INFO [stderr]     | |________________________________________________________________^
Nov 18 14:55:14.223 INFO [stderr]     |
Nov 18 14:55:14.223 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 18 14:55:14.223 INFO [stderr] 
Nov 18 14:55:14.223 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 18 14:55:14.223 INFO [stderr]    --> src/lib.rs:152:5
Nov 18 14:55:14.223 INFO [stderr]     |
Nov 18 14:55:14.223 INFO [stderr] 152 |     mix.as_mut().write_u32::<LittleEndian>(mix_first32);
Nov 18 14:55:14.223 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 14:55:14.223 INFO [stderr]     |
Nov 18 14:55:14.223 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 18 14:55:14.223 INFO [stderr] 
Nov 18 14:55:14.223 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 18 14:55:14.223 INFO [stderr]    --> src/lib.rs:230:9
Nov 18 14:55:14.223 INFO [stderr]     |
Nov 18 14:55:14.223 INFO [stderr] 230 |         (&mut cmix[j..]).write_u32::<LittleEndian>(c);
Nov 18 14:55:14.223 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 14:55:14.223 INFO [stderr]     |
Nov 18 14:55:14.223 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 18 14:55:14.223 INFO [stderr] 
Nov 18 14:55:14.883 INFO [stderr] warning: unused import: `blockchain::chain::HeaderHash`
Nov 18 14:55:14.884 INFO [stderr]   --> tests/headers.rs:13:5
Nov 18 14:55:14.884 INFO [stderr]    |
Nov 18 14:55:14.884 INFO [stderr] 13 | use blockchain::chain::HeaderHash;
Nov 18 14:55:14.885 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 14:55:14.885 INFO [stderr]    |
Nov 18 14:55:14.885 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 18 14:55:14.885 INFO [stderr] 
Nov 18 14:55:15.943 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.22s
Nov 18 14:55:15.945 INFO [stderr] su: No module specific data is present
Nov 18 14:55:16.775 INFO running `"docker" "inspect" "0c860103c0897ae290796c0f348d8fff7e4140c117b05966bc1ee612cc17341f"`
Nov 18 14:55:17.111 INFO running `"docker" "rm" "-f" "0c860103c0897ae290796c0f348d8fff7e4140c117b05966bc1ee612cc17341f"`
Nov 18 14:55:17.491 INFO [stdout] 0c860103c0897ae290796c0f348d8fff7e4140c117b05966bc1ee612cc17341f
Nov 18 14:55:17.505 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen" "-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 18 14:55:18.034 INFO [stdout] f8f37cbddd9fbc019f6af2fe3fe063e00b100e6150529a24e36245cad240865a
Nov 18 14:55:18.036 INFO running `"docker" "start" "-a" "f8f37cbddd9fbc019f6af2fe3fe063e00b100e6150529a24e36245cad240865a"`
Nov 18 14:55:19.947 INFO [stderr] usermod: no changes
Nov 18 14:55:20.095 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
Nov 18 14:55:20.115 INFO [stderr]      Running /target/debug/deps/ethash-7fab948b696085ef
Nov 18 14:55:20.123 INFO [stdout] 
Nov 18 14:55:20.123 INFO [stdout] running 0 tests
Nov 18 14:55:20.123 INFO [stdout] 
Nov 18 14:55:20.123 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 18 14:55:20.123 INFO [stdout] 
Nov 18 14:55:20.124 INFO [stderr]      Running /target/debug/deps/headers-ac5a7f528aac6a60
Nov 18 14:55:20.125 INFO [stdout] 
Nov 18 14:55:20.125 INFO [stdout] running 2 tests
Nov 18 14:56:20.127 INFO [stdout] test header1 ... test header1 has been running for over 60 seconds
Nov 18 14:56:20.127 INFO [stdout] test header2 ... test header2 has been running for over 60 seconds
Nov 18 14:57:39.633 INFO [stdout] test header1 ... ok
Nov 18 14:57:42.235 INFO [stderr]    Doc-tests ethash
Nov 18 14:57:42.235 INFO [stdout] test header2 ... ok
Nov 18 14:57:42.235 INFO [stdout] 
Nov 18 14:57:42.235 INFO [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 18 14:57:42.235 INFO [stdout] 
Nov 18 14:57:44.730 INFO [stdout] 
Nov 18 14:57:44.731 INFO [stdout] running 0 tests
Nov 18 14:57:44.731 INFO [stdout] 
Nov 18 14:57:44.731 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 18 14:57:44.732 INFO [stdout] 
Nov 18 14:57:44.739 INFO [stderr] su: No module specific data is present
Nov 18 14:57:45.672 INFO running `"docker" "inspect" "f8f37cbddd9fbc019f6af2fe3fe063e00b100e6150529a24e36245cad240865a"`
Nov 18 14:57:46.056 INFO running `"docker" "rm" "-f" "f8f37cbddd9fbc019f6af2fe3fe063e00b100e6150529a24e36245cad240865a"`
Nov 18 14:57:46.311 INFO [stdout] f8f37cbddd9fbc019f6af2fe3fe063e00b100e6150529a24e36245cad240865a