[INFO] fetching crate ethash 0.3.1... [INFO] checking ethash-0.3.1 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1 [INFO] extracting crate ethash 0.3.1 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate ethash 0.3.1 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate ethash 0.3.1 [INFO] finished tweaking crates.io crate ethash 0.3.1 [INFO] tweaked toml for crates.io crate ethash 0.3.1 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 8ec77bff0f64d46380bc70af5df1deba6243f966f6f2d83b558135374c65bade [INFO] running `"docker" "start" "-a" "8ec77bff0f64d46380bc70af5df1deba6243f966f6f2d83b558135374c65bade"` [INFO] [stderr] Checking ethereum-hexutil v0.2.3 [INFO] [stderr] Checking elastic-array-plus v0.9.1 [INFO] [stderr] Checking blockchain v0.2.0 [INFO] [stderr] Checking blockchain v0.1.9 [INFO] [stderr] Checking generic-array v0.8.3 [INFO] [stderr] Checking digest v0.6.2 [INFO] [stderr] Checking block-buffer v0.2.0 [INFO] [stderr] Checking crypto-mac v0.4.0 [INFO] [stderr] Checking hmac v0.4.2 [INFO] [stderr] Checking sha3 v0.6.0 [INFO] [stderr] Checking sha2 v0.6.0 [INFO] [stderr] Checking ethereum-rlp v0.2.3 [INFO] [stderr] Checking hmac-drbg v0.1.2 [INFO] [stderr] Checking libsecp256k1 v0.1.15 [INFO] [stderr] Checking ethereum-bigint v0.2.9 [INFO] [stderr] Checking ethereum-block-core v0.1.0 [INFO] [stderr] Checking ethereum-bloom v0.2.1 [INFO] [stderr] Checking ethereum-trie v0.3.8 [INFO] [stderr] Checking ethash v0.3.1 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `H1024` [INFO] [stderr] --> src/lib.rs:17:14 [INFO] [stderr] | [INFO] [stderr] 17 | use bigint::{H1024, U256, H256, H64, H512}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `a32` [INFO] [stderr] --> src/lib.rs:111:13 [INFO] [stderr] | [INFO] [stderr] 111 | let a32 = (&a[j..]).read_u32::().unwrap(); [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_a32` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `b32` [INFO] [stderr] --> src/lib.rs:112:13 [INFO] [stderr] | [INFO] [stderr] 112 | let b32 = (&b[j..]).read_u32::().unwrap(); [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_b32` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `a32` [INFO] [stderr] --> src/lib.rs:125:13 [INFO] [stderr] | [INFO] [stderr] 125 | let a32 = (&a[j..]).read_u32::().unwrap(); [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_a32` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `b32` [INFO] [stderr] --> src/lib.rs:126:13 [INFO] [stderr] | [INFO] [stderr] 126 | let b32 = (&b[j..]).read_u32::().unwrap(); [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_b32` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n` [INFO] [stderr] --> src/lib.rs:136:9 [INFO] [stderr] | [INFO] [stderr] 136 | let n = a.len(); [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_n` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/lib.rs:307:9 [INFO] [stderr] | [INFO] [stderr] 307 | for i in 0..epoch { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: field is never used: `cache_size` [INFO] [stderr] --> src/dag.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | cache_size: usize, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `CACHE_MULTIPLIER` [INFO] [stderr] --> src/lib.rs:26:1 [INFO] [stderr] | [INFO] [stderr] 26 | const CACHE_MULTIPLIER: usize = 1024; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `FNV_PRIME` [INFO] [stderr] --> src/lib.rs:99:1 [INFO] [stderr] | [INFO] [stderr] 99 | const FNV_PRIME: u32 = 0x01000193; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `u8s_to_u32` [INFO] [stderr] --> src/lib.rs:135:1 [INFO] [stderr] | [INFO] [stderr] 135 | fn u8s_to_u32(a: &[u8]) -> u32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:114:9 [INFO] [stderr] | [INFO] [stderr] 114 | / (&mut r[j..]).write_u32::( [INFO] [stderr] 115 | | fnv((&a[j..]).read_u32::().unwrap(), [INFO] [stderr] 116 | | (&b[j..]).read_u32::().unwrap())); [INFO] [stderr] | |________________________________________________________________^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:128:9 [INFO] [stderr] | [INFO] [stderr] 128 | / (&mut r[j..]).write_u32::( [INFO] [stderr] 129 | | fnv((&a[j..]).read_u32::().unwrap(), [INFO] [stderr] 130 | | (&b[j..]).read_u32::().unwrap())); [INFO] [stderr] | |________________________________________________________________^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:152:5 [INFO] [stderr] | [INFO] [stderr] 152 | mix.as_mut().write_u32::(mix_first32); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:230:9 [INFO] [stderr] | [INFO] [stderr] 230 | (&mut cmix[j..]).write_u32::(c); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Checking ethereum-block v0.3.5 [INFO] [stderr] warning: unused import: `H1024` [INFO] [stderr] --> src/lib.rs:17:14 [INFO] [stderr] | [INFO] [stderr] 17 | use bigint::{H1024, U256, H256, H64, H512}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `blockchain::chain::HeaderHash` [INFO] [stderr] --> tests/headers.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | use blockchain::chain::HeaderHash; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `a32` [INFO] [stderr] --> src/lib.rs:111:13 [INFO] [stderr] | [INFO] [stderr] 111 | let a32 = (&a[j..]).read_u32::().unwrap(); [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_a32` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `b32` [INFO] [stderr] --> src/lib.rs:112:13 [INFO] [stderr] | [INFO] [stderr] 112 | let b32 = (&b[j..]).read_u32::().unwrap(); [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_b32` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `a32` [INFO] [stderr] --> src/lib.rs:125:13 [INFO] [stderr] | [INFO] [stderr] 125 | let a32 = (&a[j..]).read_u32::().unwrap(); [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_a32` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `b32` [INFO] [stderr] --> src/lib.rs:126:13 [INFO] [stderr] | [INFO] [stderr] 126 | let b32 = (&b[j..]).read_u32::().unwrap(); [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_b32` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n` [INFO] [stderr] --> src/lib.rs:136:9 [INFO] [stderr] | [INFO] [stderr] 136 | let n = a.len(); [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_n` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/lib.rs:307:9 [INFO] [stderr] | [INFO] [stderr] 307 | for i in 0..epoch { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: field is never used: `cache_size` [INFO] [stderr] --> src/dag.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | cache_size: usize, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `CACHE_MULTIPLIER` [INFO] [stderr] --> src/lib.rs:26:1 [INFO] [stderr] | [INFO] [stderr] 26 | const CACHE_MULTIPLIER: usize = 1024; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `FNV_PRIME` [INFO] [stderr] --> src/lib.rs:99:1 [INFO] [stderr] | [INFO] [stderr] 99 | const FNV_PRIME: u32 = 0x01000193; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `u8s_to_u32` [INFO] [stderr] --> src/lib.rs:135:1 [INFO] [stderr] | [INFO] [stderr] 135 | fn u8s_to_u32(a: &[u8]) -> u32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:114:9 [INFO] [stderr] | [INFO] [stderr] 114 | / (&mut r[j..]).write_u32::( [INFO] [stderr] 115 | | fnv((&a[j..]).read_u32::().unwrap(), [INFO] [stderr] 116 | | (&b[j..]).read_u32::().unwrap())); [INFO] [stderr] | |________________________________________________________________^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:128:9 [INFO] [stderr] | [INFO] [stderr] 128 | / (&mut r[j..]).write_u32::( [INFO] [stderr] 129 | | fnv((&a[j..]).read_u32::().unwrap(), [INFO] [stderr] 130 | | (&b[j..]).read_u32::().unwrap())); [INFO] [stderr] | |________________________________________________________________^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:152:5 [INFO] [stderr] | [INFO] [stderr] 152 | mix.as_mut().write_u32::(mix_first32); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:230:9 [INFO] [stderr] | [INFO] [stderr] 230 | (&mut cmix[j..]).write_u32::(c); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 12.31s [INFO] running `"docker" "inspect" "8ec77bff0f64d46380bc70af5df1deba6243f966f6f2d83b558135374c65bade"` [INFO] running `"docker" "rm" "-f" "8ec77bff0f64d46380bc70af5df1deba6243f966f6f2d83b558135374c65bade"` [INFO] [stdout] 8ec77bff0f64d46380bc70af5df1deba6243f966f6f2d83b558135374c65bade