Dec 12 15:20:44.237 INFO checking ethash-0.3.1 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677 Dec 12 15:20:44.237 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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"` Dec 12 15:20:44.838 INFO [stdout] efd2b98a1c2fad8bcf4d69074afbe69f45032955d6dbfd052361dcf4d903adc4 Dec 12 15:20:44.840 INFO running `"docker" "start" "-a" "efd2b98a1c2fad8bcf4d69074afbe69f45032955d6dbfd052361dcf4d903adc4"` Dec 12 15:20:45.788 INFO [stderr] usermod: no changes Dec 12 15:20:45.922 INFO [stderr] Checking elastic-array-plus v0.9.1 Dec 12 15:20:45.924 INFO [stderr] Checking ethereum-hexutil v0.2.3 Dec 12 15:20:45.924 INFO [stderr] Checking blockchain v0.2.0 Dec 12 15:20:45.924 INFO [stderr] Checking blockchain v0.1.9 Dec 12 15:20:45.924 INFO [stderr] Checking hmac v0.4.2 Dec 12 15:20:45.924 INFO [stderr] Checking sha3 v0.6.0 Dec 12 15:20:46.540 INFO [stderr] Checking hmac-drbg v0.1.2 Dec 12 15:20:47.017 INFO [stderr] Checking libsecp256k1 v0.1.15 Dec 12 15:20:47.276 INFO [stderr] Checking ethereum-rlp v0.2.3 Dec 12 15:20:48.664 INFO [stderr] Checking ethereum-bigint v0.2.9 Dec 12 15:20:52.004 INFO [stderr] Checking ethereum-trie v0.3.8 Dec 12 15:20:52.004 INFO [stderr] Checking ethereum-bloom v0.2.1 Dec 12 15:20:52.004 INFO [stderr] Checking ethereum-block-core v0.1.0 Dec 12 15:20:52.004 INFO [stderr] Checking ethash v0.3.1 (/source) Dec 12 15:20:56.032 INFO [stderr] warning: unused import: `H1024` Dec 12 15:20:56.032 INFO [stderr] --> src/lib.rs:17:14 Dec 12 15:20:56.032 INFO [stderr] | Dec 12 15:20:56.032 INFO [stderr] 17 | use bigint::{H1024, U256, H256, H64, H512}; Dec 12 15:20:56.032 INFO [stderr] | ^^^^^ Dec 12 15:20:56.032 INFO [stderr] | Dec 12 15:20:56.032 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 12 15:20:56.032 INFO [stderr] Dec 12 15:20:56.504 INFO [stderr] warning: unused variable: `a32` Dec 12 15:20:56.504 INFO [stderr] --> src/lib.rs:111:13 Dec 12 15:20:56.504 INFO [stderr] | Dec 12 15:20:56.504 INFO [stderr] 111 | let a32 = (&a[j..]).read_u32::().unwrap(); Dec 12 15:20:56.504 INFO [stderr] | ^^^ help: consider using `_a32` instead Dec 12 15:20:56.504 INFO [stderr] | Dec 12 15:20:56.504 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 12 15:20:56.504 INFO [stderr] Dec 12 15:20:56.505 INFO [stderr] warning: unused variable: `b32` Dec 12 15:20:56.505 INFO [stderr] --> src/lib.rs:112:13 Dec 12 15:20:56.505 INFO [stderr] | Dec 12 15:20:56.505 INFO [stderr] 112 | let b32 = (&b[j..]).read_u32::().unwrap(); Dec 12 15:20:56.505 INFO [stderr] | ^^^ help: consider using `_b32` instead Dec 12 15:20:56.505 INFO [stderr] Dec 12 15:20:56.505 INFO [stderr] warning: unused variable: `a32` Dec 12 15:20:56.505 INFO [stderr] --> src/lib.rs:125:13 Dec 12 15:20:56.505 INFO [stderr] | Dec 12 15:20:56.505 INFO [stderr] 125 | let a32 = (&a[j..]).read_u32::().unwrap(); Dec 12 15:20:56.505 INFO [stderr] | ^^^ help: consider using `_a32` instead Dec 12 15:20:56.505 INFO [stderr] Dec 12 15:20:56.505 INFO [stderr] warning: unused variable: `b32` Dec 12 15:20:56.505 INFO [stderr] --> src/lib.rs:126:13 Dec 12 15:20:56.505 INFO [stderr] | Dec 12 15:20:56.505 INFO [stderr] 126 | let b32 = (&b[j..]).read_u32::().unwrap(); Dec 12 15:20:56.505 INFO [stderr] | ^^^ help: consider using `_b32` instead Dec 12 15:20:56.505 INFO [stderr] Dec 12 15:20:56.505 INFO [stderr] warning: unused variable: `n` Dec 12 15:20:56.505 INFO [stderr] --> src/lib.rs:136:9 Dec 12 15:20:56.505 INFO [stderr] | Dec 12 15:20:56.505 INFO [stderr] 136 | let n = a.len(); Dec 12 15:20:56.505 INFO [stderr] | ^ help: consider using `_n` instead Dec 12 15:20:56.505 INFO [stderr] Dec 12 15:20:56.506 INFO [stderr] warning: unused variable: `i` Dec 12 15:20:56.506 INFO [stderr] --> src/lib.rs:307:9 Dec 12 15:20:56.506 INFO [stderr] | Dec 12 15:20:56.506 INFO [stderr] 307 | for i in 0..epoch { Dec 12 15:20:56.506 INFO [stderr] | ^ help: consider using `_i` instead Dec 12 15:20:56.506 INFO [stderr] Dec 12 15:20:56.550 INFO [stderr] warning: field is never used: `cache_size` Dec 12 15:20:56.550 INFO [stderr] --> src/dag.rs:16:5 Dec 12 15:20:56.550 INFO [stderr] | Dec 12 15:20:56.550 INFO [stderr] 16 | cache_size: usize, Dec 12 15:20:56.550 INFO [stderr] | ^^^^^^^^^^^^^^^^^ Dec 12 15:20:56.550 INFO [stderr] | Dec 12 15:20:56.550 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 12 15:20:56.550 INFO [stderr] Dec 12 15:20:56.550 INFO [stderr] warning: constant item is never used: `CACHE_MULTIPLIER` Dec 12 15:20:56.550 INFO [stderr] --> src/lib.rs:26:1 Dec 12 15:20:56.550 INFO [stderr] | Dec 12 15:20:56.550 INFO [stderr] 26 | const CACHE_MULTIPLIER: usize = 1024; Dec 12 15:20:56.551 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 12 15:20:56.551 INFO [stderr] Dec 12 15:20:56.551 INFO [stderr] warning: constant item is never used: `FNV_PRIME` Dec 12 15:20:56.551 INFO [stderr] --> src/lib.rs:99:1 Dec 12 15:20:56.551 INFO [stderr] | Dec 12 15:20:56.551 INFO [stderr] 99 | const FNV_PRIME: u32 = 0x01000193; Dec 12 15:20:56.551 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 12 15:20:56.551 INFO [stderr] Dec 12 15:20:56.551 INFO [stderr] warning: function is never used: `u8s_to_u32` Dec 12 15:20:56.551 INFO [stderr] --> src/lib.rs:135:1 Dec 12 15:20:56.551 INFO [stderr] | Dec 12 15:20:56.551 INFO [stderr] 135 | fn u8s_to_u32(a: &[u8]) -> u32 { Dec 12 15:20:56.551 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 12 15:20:56.551 INFO [stderr] Dec 12 15:20:56.554 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 12 15:20:56.554 INFO [stderr] --> src/lib.rs:114:9 Dec 12 15:20:56.554 INFO [stderr] | Dec 12 15:20:56.554 INFO [stderr] 114 | / (&mut r[j..]).write_u32::( Dec 12 15:20:56.554 INFO [stderr] 115 | | fnv((&a[j..]).read_u32::().unwrap(), Dec 12 15:20:56.554 INFO [stderr] 116 | | (&b[j..]).read_u32::().unwrap())); Dec 12 15:20:56.554 INFO [stderr] | |________________________________________________________________^ Dec 12 15:20:56.554 INFO [stderr] | Dec 12 15:20:56.554 INFO [stderr] = note: #[warn(unused_must_use)] on by default Dec 12 15:20:56.554 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 12 15:20:56.554 INFO [stderr] Dec 12 15:20:56.554 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 12 15:20:56.554 INFO [stderr] --> src/lib.rs:128:9 Dec 12 15:20:56.554 INFO [stderr] | Dec 12 15:20:56.554 INFO [stderr] 128 | / (&mut r[j..]).write_u32::( Dec 12 15:20:56.554 INFO [stderr] 129 | | fnv((&a[j..]).read_u32::().unwrap(), Dec 12 15:20:56.554 INFO [stderr] 130 | | (&b[j..]).read_u32::().unwrap())); Dec 12 15:20:56.554 INFO [stderr] | |________________________________________________________________^ Dec 12 15:20:56.555 INFO [stderr] | Dec 12 15:20:56.555 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 12 15:20:56.555 INFO [stderr] Dec 12 15:20:56.555 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 12 15:20:56.555 INFO [stderr] --> src/lib.rs:152:5 Dec 12 15:20:56.555 INFO [stderr] | Dec 12 15:20:56.555 INFO [stderr] 152 | mix.as_mut().write_u32::(mix_first32); Dec 12 15:20:56.555 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 12 15:20:56.555 INFO [stderr] | Dec 12 15:20:56.555 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 12 15:20:56.555 INFO [stderr] Dec 12 15:20:56.555 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 12 15:20:56.555 INFO [stderr] --> src/lib.rs:230:9 Dec 12 15:20:56.555 INFO [stderr] | Dec 12 15:20:56.555 INFO [stderr] 230 | (&mut cmix[j..]).write_u32::(c); Dec 12 15:20:56.555 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 12 15:20:56.555 INFO [stderr] | Dec 12 15:20:56.555 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 12 15:20:56.555 INFO [stderr] Dec 12 15:21:03.693 INFO [stderr] Checking ethereum-block v0.3.5 Dec 12 15:21:07.960 INFO [stderr] warning: unused import: `H1024` Dec 12 15:21:07.960 INFO [stderr] --> src/lib.rs:17:14 Dec 12 15:21:07.960 INFO [stderr] | Dec 12 15:21:07.960 INFO [stderr] 17 | use bigint::{H1024, U256, H256, H64, H512}; Dec 12 15:21:07.960 INFO [stderr] | ^^^^^ Dec 12 15:21:07.960 INFO [stderr] | Dec 12 15:21:07.960 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 12 15:21:07.960 INFO [stderr] Dec 12 15:21:08.124 INFO [stderr] warning: unused variable: `a32` Dec 12 15:21:08.125 INFO [stderr] --> src/lib.rs:111:13 Dec 12 15:21:08.125 INFO [stderr] | Dec 12 15:21:08.125 INFO [stderr] 111 | let a32 = (&a[j..]).read_u32::().unwrap(); Dec 12 15:21:08.125 INFO [stderr] | ^^^ help: consider using `_a32` instead Dec 12 15:21:08.125 INFO [stderr] | Dec 12 15:21:08.125 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 12 15:21:08.125 INFO [stderr] Dec 12 15:21:08.125 INFO [stderr] warning: unused variable: `b32` Dec 12 15:21:08.126 INFO [stderr] --> src/lib.rs:112:13 Dec 12 15:21:08.126 INFO [stderr] | Dec 12 15:21:08.126 INFO [stderr] 112 | let b32 = (&b[j..]).read_u32::().unwrap(); Dec 12 15:21:08.126 INFO [stderr] | ^^^ help: consider using `_b32` instead Dec 12 15:21:08.126 INFO [stderr] Dec 12 15:21:08.126 INFO [stderr] warning: unused variable: `a32` Dec 12 15:21:08.126 INFO [stderr] --> src/lib.rs:125:13 Dec 12 15:21:08.126 INFO [stderr] | Dec 12 15:21:08.126 INFO [stderr] 125 | let a32 = (&a[j..]).read_u32::().unwrap(); Dec 12 15:21:08.126 INFO [stderr] | ^^^ help: consider using `_a32` instead Dec 12 15:21:08.126 INFO [stderr] Dec 12 15:21:08.126 INFO [stderr] warning: unused variable: `b32` Dec 12 15:21:08.126 INFO [stderr] --> src/lib.rs:126:13 Dec 12 15:21:08.127 INFO [stderr] | Dec 12 15:21:08.127 INFO [stderr] 126 | let b32 = (&b[j..]).read_u32::().unwrap(); Dec 12 15:21:08.127 INFO [stderr] | ^^^ help: consider using `_b32` instead Dec 12 15:21:08.127 INFO [stderr] Dec 12 15:21:08.127 INFO [stderr] warning: unused variable: `n` Dec 12 15:21:08.127 INFO [stderr] --> src/lib.rs:136:9 Dec 12 15:21:08.127 INFO [stderr] | Dec 12 15:21:08.127 INFO [stderr] 136 | let n = a.len(); Dec 12 15:21:08.127 INFO [stderr] | ^ help: consider using `_n` instead Dec 12 15:21:08.127 INFO [stderr] Dec 12 15:21:08.128 INFO [stderr] warning: unused variable: `i` Dec 12 15:21:08.128 INFO [stderr] --> src/lib.rs:307:9 Dec 12 15:21:08.136 INFO [stderr] | Dec 12 15:21:08.136 INFO [stderr] 307 | for i in 0..epoch { Dec 12 15:21:08.136 INFO [stderr] | ^ help: consider using `_i` instead Dec 12 15:21:08.136 INFO [stderr] Dec 12 15:21:08.176 INFO [stderr] warning: field is never used: `cache_size` Dec 12 15:21:08.176 INFO [stderr] --> src/dag.rs:16:5 Dec 12 15:21:08.176 INFO [stderr] | Dec 12 15:21:08.181 INFO [stderr] 16 | cache_size: usize, Dec 12 15:21:08.181 INFO [stderr] | ^^^^^^^^^^^^^^^^^ Dec 12 15:21:08.181 INFO [stderr] | Dec 12 15:21:08.181 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 12 15:21:08.181 INFO [stderr] Dec 12 15:21:08.181 INFO [stderr] warning: constant item is never used: `CACHE_MULTIPLIER` Dec 12 15:21:08.181 INFO [stderr] --> src/lib.rs:26:1 Dec 12 15:21:08.181 INFO [stderr] | Dec 12 15:21:08.181 INFO [stderr] 26 | const CACHE_MULTIPLIER: usize = 1024; Dec 12 15:21:08.181 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 12 15:21:08.181 INFO [stderr] Dec 12 15:21:08.181 INFO [stderr] warning: constant item is never used: `FNV_PRIME` Dec 12 15:21:08.181 INFO [stderr] --> src/lib.rs:99:1 Dec 12 15:21:08.181 INFO [stderr] | Dec 12 15:21:08.181 INFO [stderr] 99 | const FNV_PRIME: u32 = 0x01000193; Dec 12 15:21:08.181 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 12 15:21:08.181 INFO [stderr] Dec 12 15:21:08.181 INFO [stderr] warning: function is never used: `u8s_to_u32` Dec 12 15:21:08.181 INFO [stderr] --> src/lib.rs:135:1 Dec 12 15:21:08.181 INFO [stderr] | Dec 12 15:21:08.181 INFO [stderr] 135 | fn u8s_to_u32(a: &[u8]) -> u32 { Dec 12 15:21:08.181 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 12 15:21:08.181 INFO [stderr] Dec 12 15:21:08.184 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 12 15:21:08.185 INFO [stderr] --> src/lib.rs:114:9 Dec 12 15:21:08.185 INFO [stderr] | Dec 12 15:21:08.185 INFO [stderr] 114 | / (&mut r[j..]).write_u32::( Dec 12 15:21:08.185 INFO [stderr] 115 | | fnv((&a[j..]).read_u32::().unwrap(), Dec 12 15:21:08.185 INFO [stderr] 116 | | (&b[j..]).read_u32::().unwrap())); Dec 12 15:21:08.185 INFO [stderr] | |________________________________________________________________^ Dec 12 15:21:08.185 INFO [stderr] | Dec 12 15:21:08.185 INFO [stderr] = note: #[warn(unused_must_use)] on by default Dec 12 15:21:08.185 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 12 15:21:08.185 INFO [stderr] Dec 12 15:21:08.185 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 12 15:21:08.185 INFO [stderr] --> src/lib.rs:128:9 Dec 12 15:21:08.185 INFO [stderr] | Dec 12 15:21:08.185 INFO [stderr] 128 | / (&mut r[j..]).write_u32::( Dec 12 15:21:08.185 INFO [stderr] 129 | | fnv((&a[j..]).read_u32::().unwrap(), Dec 12 15:21:08.185 INFO [stderr] 130 | | (&b[j..]).read_u32::().unwrap())); Dec 12 15:21:08.185 INFO [stderr] | |________________________________________________________________^ Dec 12 15:21:08.185 INFO [stderr] | Dec 12 15:21:08.185 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 12 15:21:08.185 INFO [stderr] Dec 12 15:21:08.185 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 12 15:21:08.185 INFO [stderr] --> src/lib.rs:152:5 Dec 12 15:21:08.185 INFO [stderr] | Dec 12 15:21:08.186 INFO [stderr] 152 | mix.as_mut().write_u32::(mix_first32); Dec 12 15:21:08.186 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 12 15:21:08.186 INFO [stderr] | Dec 12 15:21:08.186 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 12 15:21:08.186 INFO [stderr] Dec 12 15:21:08.186 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 12 15:21:08.186 INFO [stderr] --> src/lib.rs:230:9 Dec 12 15:21:08.186 INFO [stderr] | Dec 12 15:21:08.186 INFO [stderr] 230 | (&mut cmix[j..]).write_u32::(c); Dec 12 15:21:08.186 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 12 15:21:08.186 INFO [stderr] | Dec 12 15:21:08.186 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 12 15:21:08.186 INFO [stderr] Dec 12 15:21:08.652 INFO [stderr] warning: unused import: `blockchain::chain::HeaderHash` Dec 12 15:21:08.652 INFO [stderr] --> tests/headers.rs:13:5 Dec 12 15:21:08.652 INFO [stderr] | Dec 12 15:21:08.652 INFO [stderr] 13 | use blockchain::chain::HeaderHash; Dec 12 15:21:08.652 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 12 15:21:08.652 INFO [stderr] | Dec 12 15:21:08.652 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 12 15:21:08.652 INFO [stderr] Dec 12 15:21:08.784 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 22.95s Dec 12 15:21:08.789 INFO [stderr] su: No module specific data is present Dec 12 15:21:09.383 INFO running `"docker" "inspect" "efd2b98a1c2fad8bcf4d69074afbe69f45032955d6dbfd052361dcf4d903adc4"` Dec 12 15:21:09.583 INFO running `"docker" "rm" "-f" "efd2b98a1c2fad8bcf4d69074afbe69f45032955d6dbfd052361dcf4d903adc4"` Dec 12 15:21:09.914 INFO [stdout] efd2b98a1c2fad8bcf4d69074afbe69f45032955d6dbfd052361dcf4d903adc4