Dec 18 16:41:29.408 INFO checking ethash-0.3.1 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252 Dec 18 16:41:29.408 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/ethash/0.3.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"` Dec 18 16:41:29.864 INFO [stdout] fd43e13dff28fc12693413ab6f7ac93a2e8684e982d789c7e7f56c2edef4d713 Dec 18 16:41:29.870 INFO running `"docker" "start" "-a" "fd43e13dff28fc12693413ab6f7ac93a2e8684e982d789c7e7f56c2edef4d713"` Dec 18 16:41:30.940 INFO [stderr] Checking elastic-array-plus v0.9.1 Dec 18 16:41:30.941 INFO [stderr] Checking ethereum-hexutil v0.2.3 Dec 18 16:41:30.941 INFO [stderr] Checking blockchain v0.1.9 Dec 18 16:41:30.948 INFO [stderr] Checking crypto-mac v0.4.0 Dec 18 16:41:30.948 INFO [stderr] Checking sha3 v0.6.0 Dec 18 16:41:31.490 INFO [stderr] Checking hmac v0.4.2 Dec 18 16:41:31.812 INFO [stderr] Checking hmac-drbg v0.1.2 Dec 18 16:41:32.155 INFO [stderr] Checking libsecp256k1 v0.1.15 Dec 18 16:41:32.170 INFO [stderr] Checking ethereum-rlp v0.2.3 Dec 18 16:41:32.896 INFO [stderr] Checking ethereum-bigint v0.2.9 Dec 18 16:41:35.085 INFO [stderr] Checking ethereum-block-core v0.1.0 Dec 18 16:41:35.085 INFO [stderr] Checking ethereum-bloom v0.2.1 Dec 18 16:41:35.085 INFO [stderr] Checking ethereum-trie v0.3.8 Dec 18 16:41:35.085 INFO [stderr] Checking ethash v0.3.1 (/opt/crater/workdir) Dec 18 16:41:36.048 INFO [stderr] warning: unused import: `H1024` Dec 18 16:41:36.048 INFO [stderr] --> src/lib.rs:17:14 Dec 18 16:41:36.048 INFO [stderr] | Dec 18 16:41:36.048 INFO [stderr] 17 | use bigint::{H1024, U256, H256, H64, H512}; Dec 18 16:41:36.048 INFO [stderr] | ^^^^^ Dec 18 16:41:36.048 INFO [stderr] | Dec 18 16:41:36.048 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 18 16:41:36.048 INFO [stderr] Dec 18 16:41:36.242 INFO [stderr] warning: unused variable: `a32` Dec 18 16:41:36.242 INFO [stderr] --> src/lib.rs:111:13 Dec 18 16:41:36.242 INFO [stderr] | Dec 18 16:41:36.242 INFO [stderr] 111 | let a32 = (&a[j..]).read_u32::().unwrap(); Dec 18 16:41:36.242 INFO [stderr] | ^^^ help: consider using `_a32` instead Dec 18 16:41:36.242 INFO [stderr] | Dec 18 16:41:36.242 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 18 16:41:36.248 INFO [stderr] Dec 18 16:41:36.248 INFO [stderr] warning: unused variable: `b32` Dec 18 16:41:36.248 INFO [stderr] --> src/lib.rs:112:13 Dec 18 16:41:36.248 INFO [stderr] | Dec 18 16:41:36.248 INFO [stderr] 112 | let b32 = (&b[j..]).read_u32::().unwrap(); Dec 18 16:41:36.248 INFO [stderr] | ^^^ help: consider using `_b32` instead Dec 18 16:41:36.248 INFO [stderr] Dec 18 16:41:36.248 INFO [stderr] warning: unused variable: `a32` Dec 18 16:41:36.248 INFO [stderr] --> src/lib.rs:125:13 Dec 18 16:41:36.248 INFO [stderr] | Dec 18 16:41:36.248 INFO [stderr] 125 | let a32 = (&a[j..]).read_u32::().unwrap(); Dec 18 16:41:36.248 INFO [stderr] | ^^^ help: consider using `_a32` instead Dec 18 16:41:36.248 INFO [stderr] Dec 18 16:41:36.248 INFO [stderr] warning: unused variable: `b32` Dec 18 16:41:36.248 INFO [stderr] --> src/lib.rs:126:13 Dec 18 16:41:36.248 INFO [stderr] | Dec 18 16:41:36.248 INFO [stderr] 126 | let b32 = (&b[j..]).read_u32::().unwrap(); Dec 18 16:41:36.248 INFO [stderr] | ^^^ help: consider using `_b32` instead Dec 18 16:41:36.248 INFO [stderr] Dec 18 16:41:36.248 INFO [stderr] warning: unused variable: `n` Dec 18 16:41:36.248 INFO [stderr] --> src/lib.rs:136:9 Dec 18 16:41:36.248 INFO [stderr] | Dec 18 16:41:36.248 INFO [stderr] 136 | let n = a.len(); Dec 18 16:41:36.248 INFO [stderr] | ^ help: consider using `_n` instead Dec 18 16:41:36.249 INFO [stderr] Dec 18 16:41:36.249 INFO [stderr] warning: unused variable: `i` Dec 18 16:41:36.249 INFO [stderr] --> src/lib.rs:307:9 Dec 18 16:41:36.249 INFO [stderr] | Dec 18 16:41:36.249 INFO [stderr] 307 | for i in 0..epoch { Dec 18 16:41:36.249 INFO [stderr] | ^ help: consider using `_i` instead Dec 18 16:41:36.249 INFO [stderr] Dec 18 16:41:36.296 INFO [stderr] warning: field is never used: `cache_size` Dec 18 16:41:36.296 INFO [stderr] --> src/dag.rs:16:5 Dec 18 16:41:36.296 INFO [stderr] | Dec 18 16:41:36.296 INFO [stderr] 16 | cache_size: usize, Dec 18 16:41:36.296 INFO [stderr] | ^^^^^^^^^^^^^^^^^ Dec 18 16:41:36.296 INFO [stderr] | Dec 18 16:41:36.296 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 18 16:41:36.296 INFO [stderr] Dec 18 16:41:36.296 INFO [stderr] warning: constant item is never used: `CACHE_MULTIPLIER` Dec 18 16:41:36.296 INFO [stderr] --> src/lib.rs:26:1 Dec 18 16:41:36.296 INFO [stderr] | Dec 18 16:41:36.296 INFO [stderr] 26 | const CACHE_MULTIPLIER: usize = 1024; Dec 18 16:41:36.296 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 16:41:36.296 INFO [stderr] Dec 18 16:41:36.296 INFO [stderr] warning: constant item is never used: `FNV_PRIME` Dec 18 16:41:36.296 INFO [stderr] --> src/lib.rs:99:1 Dec 18 16:41:36.296 INFO [stderr] | Dec 18 16:41:36.296 INFO [stderr] 99 | const FNV_PRIME: u32 = 0x01000193; Dec 18 16:41:36.296 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 16:41:36.297 INFO [stderr] Dec 18 16:41:36.297 INFO [stderr] warning: function is never used: `u8s_to_u32` Dec 18 16:41:36.297 INFO [stderr] --> src/lib.rs:135:1 Dec 18 16:41:36.297 INFO [stderr] | Dec 18 16:41:36.297 INFO [stderr] 135 | fn u8s_to_u32(a: &[u8]) -> u32 { Dec 18 16:41:36.297 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 16:41:36.297 INFO [stderr] Dec 18 16:41:36.297 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 18 16:41:36.297 INFO [stderr] --> src/lib.rs:114:9 Dec 18 16:41:36.297 INFO [stderr] | Dec 18 16:41:36.297 INFO [stderr] 114 | / (&mut r[j..]).write_u32::( Dec 18 16:41:36.297 INFO [stderr] 115 | | fnv((&a[j..]).read_u32::().unwrap(), Dec 18 16:41:36.297 INFO [stderr] 116 | | (&b[j..]).read_u32::().unwrap())); Dec 18 16:41:36.297 INFO [stderr] | |________________________________________________________________^ Dec 18 16:41:36.297 INFO [stderr] | Dec 18 16:41:36.297 INFO [stderr] = note: #[warn(unused_must_use)] on by default Dec 18 16:41:36.297 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 18 16:41:36.297 INFO [stderr] Dec 18 16:41:36.297 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 18 16:41:36.297 INFO [stderr] --> src/lib.rs:128:9 Dec 18 16:41:36.297 INFO [stderr] | Dec 18 16:41:36.297 INFO [stderr] 128 | / (&mut r[j..]).write_u32::( Dec 18 16:41:36.297 INFO [stderr] 129 | | fnv((&a[j..]).read_u32::().unwrap(), Dec 18 16:41:36.297 INFO [stderr] 130 | | (&b[j..]).read_u32::().unwrap())); Dec 18 16:41:36.297 INFO [stderr] | |________________________________________________________________^ Dec 18 16:41:36.297 INFO [stderr] | Dec 18 16:41:36.297 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 18 16:41:36.297 INFO [stderr] Dec 18 16:41:36.297 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 18 16:41:36.297 INFO [stderr] --> src/lib.rs:152:5 Dec 18 16:41:36.297 INFO [stderr] | Dec 18 16:41:36.297 INFO [stderr] 152 | mix.as_mut().write_u32::(mix_first32); Dec 18 16:41:36.297 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 16:41:36.297 INFO [stderr] | Dec 18 16:41:36.297 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 18 16:41:36.297 INFO [stderr] Dec 18 16:41:36.297 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 18 16:41:36.297 INFO [stderr] --> src/lib.rs:230:9 Dec 18 16:41:36.297 INFO [stderr] | Dec 18 16:41:36.297 INFO [stderr] 230 | (&mut cmix[j..]).write_u32::(c); Dec 18 16:41:36.297 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 16:41:36.297 INFO [stderr] | Dec 18 16:41:36.297 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 18 16:41:36.297 INFO [stderr] Dec 18 16:41:44.865 INFO [stderr] Checking ethereum-block v0.3.5 Dec 18 16:41:46.129 INFO [stderr] warning: unused import: `H1024` Dec 18 16:41:46.129 INFO [stderr] --> src/lib.rs:17:14 Dec 18 16:41:46.129 INFO [stderr] | Dec 18 16:41:46.129 INFO [stderr] 17 | use bigint::{H1024, U256, H256, H64, H512}; Dec 18 16:41:46.129 INFO [stderr] | ^^^^^ Dec 18 16:41:46.129 INFO [stderr] | Dec 18 16:41:46.129 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 18 16:41:46.129 INFO [stderr] Dec 18 16:41:46.299 INFO [stderr] warning: unused variable: `a32` Dec 18 16:41:46.299 INFO [stderr] --> src/lib.rs:111:13 Dec 18 16:41:46.299 INFO [stderr] | Dec 18 16:41:46.299 INFO [stderr] 111 | let a32 = (&a[j..]).read_u32::().unwrap(); Dec 18 16:41:46.299 INFO [stderr] | ^^^ help: consider using `_a32` instead Dec 18 16:41:46.299 INFO [stderr] | Dec 18 16:41:46.299 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 18 16:41:46.299 INFO [stderr] Dec 18 16:41:46.299 INFO [stderr] warning: unused variable: `b32` Dec 18 16:41:46.299 INFO [stderr] --> src/lib.rs:112:13 Dec 18 16:41:46.299 INFO [stderr] | Dec 18 16:41:46.299 INFO [stderr] 112 | let b32 = (&b[j..]).read_u32::().unwrap(); Dec 18 16:41:46.299 INFO [stderr] | ^^^ help: consider using `_b32` instead Dec 18 16:41:46.299 INFO [stderr] Dec 18 16:41:46.299 INFO [stderr] warning: unused variable: `a32` Dec 18 16:41:46.299 INFO [stderr] --> src/lib.rs:125:13 Dec 18 16:41:46.299 INFO [stderr] | Dec 18 16:41:46.299 INFO [stderr] 125 | let a32 = (&a[j..]).read_u32::().unwrap(); Dec 18 16:41:46.299 INFO [stderr] | ^^^ help: consider using `_a32` instead Dec 18 16:41:46.299 INFO [stderr] Dec 18 16:41:46.299 INFO [stderr] warning: unused variable: `b32` Dec 18 16:41:46.299 INFO [stderr] --> src/lib.rs:126:13 Dec 18 16:41:46.299 INFO [stderr] | Dec 18 16:41:46.299 INFO [stderr] 126 | let b32 = (&b[j..]).read_u32::().unwrap(); Dec 18 16:41:46.299 INFO [stderr] | ^^^ help: consider using `_b32` instead Dec 18 16:41:46.299 INFO [stderr] Dec 18 16:41:46.299 INFO [stderr] warning: unused variable: `n` Dec 18 16:41:46.300 INFO [stderr] --> src/lib.rs:136:9 Dec 18 16:41:46.300 INFO [stderr] | Dec 18 16:41:46.300 INFO [stderr] 136 | let n = a.len(); Dec 18 16:41:46.300 INFO [stderr] | ^ help: consider using `_n` instead Dec 18 16:41:46.300 INFO [stderr] Dec 18 16:41:46.300 INFO [stderr] warning: unused variable: `i` Dec 18 16:41:46.300 INFO [stderr] --> src/lib.rs:307:9 Dec 18 16:41:46.300 INFO [stderr] | Dec 18 16:41:46.300 INFO [stderr] 307 | for i in 0..epoch { Dec 18 16:41:46.300 INFO [stderr] | ^ help: consider using `_i` instead Dec 18 16:41:46.300 INFO [stderr] Dec 18 16:41:46.352 INFO [stderr] warning: field is never used: `cache_size` Dec 18 16:41:46.352 INFO [stderr] --> src/dag.rs:16:5 Dec 18 16:41:46.352 INFO [stderr] | Dec 18 16:41:46.352 INFO [stderr] 16 | cache_size: usize, Dec 18 16:41:46.352 INFO [stderr] | ^^^^^^^^^^^^^^^^^ Dec 18 16:41:46.352 INFO [stderr] | Dec 18 16:41:46.352 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 18 16:41:46.352 INFO [stderr] Dec 18 16:41:46.352 INFO [stderr] warning: constant item is never used: `CACHE_MULTIPLIER` Dec 18 16:41:46.352 INFO [stderr] --> src/lib.rs:26:1 Dec 18 16:41:46.352 INFO [stderr] | Dec 18 16:41:46.352 INFO [stderr] 26 | const CACHE_MULTIPLIER: usize = 1024; Dec 18 16:41:46.352 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 16:41:46.352 INFO [stderr] Dec 18 16:41:46.352 INFO [stderr] warning: constant item is never used: `FNV_PRIME` Dec 18 16:41:46.352 INFO [stderr] --> src/lib.rs:99:1 Dec 18 16:41:46.353 INFO [stderr] | Dec 18 16:41:46.353 INFO [stderr] 99 | const FNV_PRIME: u32 = 0x01000193; Dec 18 16:41:46.353 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 16:41:46.353 INFO [stderr] Dec 18 16:41:46.353 INFO [stderr] warning: function is never used: `u8s_to_u32` Dec 18 16:41:46.353 INFO [stderr] --> src/lib.rs:135:1 Dec 18 16:41:46.353 INFO [stderr] | Dec 18 16:41:46.353 INFO [stderr] 135 | fn u8s_to_u32(a: &[u8]) -> u32 { Dec 18 16:41:46.353 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 16:41:46.353 INFO [stderr] Dec 18 16:41:46.353 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 18 16:41:46.353 INFO [stderr] --> src/lib.rs:114:9 Dec 18 16:41:46.353 INFO [stderr] | Dec 18 16:41:46.353 INFO [stderr] 114 | / (&mut r[j..]).write_u32::( Dec 18 16:41:46.353 INFO [stderr] 115 | | fnv((&a[j..]).read_u32::().unwrap(), Dec 18 16:41:46.353 INFO [stderr] 116 | | (&b[j..]).read_u32::().unwrap())); Dec 18 16:41:46.353 INFO [stderr] | |________________________________________________________________^ Dec 18 16:41:46.353 INFO [stderr] | Dec 18 16:41:46.353 INFO [stderr] = note: #[warn(unused_must_use)] on by default Dec 18 16:41:46.353 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 18 16:41:46.353 INFO [stderr] Dec 18 16:41:46.353 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 18 16:41:46.353 INFO [stderr] --> src/lib.rs:128:9 Dec 18 16:41:46.353 INFO [stderr] | Dec 18 16:41:46.353 INFO [stderr] 128 | / (&mut r[j..]).write_u32::( Dec 18 16:41:46.353 INFO [stderr] 129 | | fnv((&a[j..]).read_u32::().unwrap(), Dec 18 16:41:46.353 INFO [stderr] 130 | | (&b[j..]).read_u32::().unwrap())); Dec 18 16:41:46.353 INFO [stderr] | |________________________________________________________________^ Dec 18 16:41:46.353 INFO [stderr] | Dec 18 16:41:46.353 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 18 16:41:46.353 INFO [stderr] Dec 18 16:41:46.353 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 18 16:41:46.353 INFO [stderr] --> src/lib.rs:152:5 Dec 18 16:41:46.353 INFO [stderr] | Dec 18 16:41:46.353 INFO [stderr] 152 | mix.as_mut().write_u32::(mix_first32); Dec 18 16:41:46.353 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 16:41:46.353 INFO [stderr] | Dec 18 16:41:46.353 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 18 16:41:46.353 INFO [stderr] Dec 18 16:41:46.353 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 18 16:41:46.353 INFO [stderr] --> src/lib.rs:230:9 Dec 18 16:41:46.353 INFO [stderr] | Dec 18 16:41:46.353 INFO [stderr] 230 | (&mut cmix[j..]).write_u32::(c); Dec 18 16:41:46.353 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 16:41:46.353 INFO [stderr] | Dec 18 16:41:46.353 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 18 16:41:46.353 INFO [stderr] Dec 18 16:41:46.516 INFO [stderr] warning: unused import: `blockchain::chain::HeaderHash` Dec 18 16:41:46.516 INFO [stderr] --> tests/headers.rs:13:5 Dec 18 16:41:46.516 INFO [stderr] | Dec 18 16:41:46.516 INFO [stderr] 13 | use blockchain::chain::HeaderHash; Dec 18 16:41:46.516 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 18 16:41:46.516 INFO [stderr] | Dec 18 16:41:46.516 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 18 16:41:46.516 INFO [stderr] Dec 18 16:41:46.634 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 15.77s Dec 18 16:41:47.062 INFO running `"docker" "inspect" "fd43e13dff28fc12693413ab6f7ac93a2e8684e982d789c7e7f56c2edef4d713"` Dec 18 16:41:47.266 INFO running `"docker" "rm" "-f" "fd43e13dff28fc12693413ab6f7ac93a2e8684e982d789c7e7f56c2edef4d713"` Dec 18 16:41:47.429 INFO [stdout] fd43e13dff28fc12693413ab6f7ac93a2e8684e982d789c7e7f56c2edef4d713