[INFO] crate plasma-cash-tokens 0.1.0 is already in cache
[INFO] checking plasma-cash-tokens-0.1.0 against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] extracting crate plasma-cash-tokens 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate plasma-cash-tokens 0.1.0 on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate plasma-cash-tokens 0.1.0
[INFO] finished tweaking crates.io crate plasma-cash-tokens 0.1.0
[INFO] tweaked toml for crates.io crate plasma-cash-tokens 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "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" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "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] 57bed2a1be8864a347d716cb7069ec15335bfcc5412b8e869203934961696e73
[INFO] running `"docker" "start" "-a" "57bed2a1be8864a347d716cb7069ec15335bfcc5412b8e869203934961696e73"`
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking static_assertions v0.2.5
[INFO] [stderr]     Checking bitvec v0.14.0
[INFO] [stderr]     Checking rlp v0.4.4
[INFO] [stderr]    Compiling eth-secp256k1 v0.5.7
[INFO] [stderr]     Checking impl-serde v0.2.3
[INFO] [stderr]     Checking parity-codec v3.5.4
[INFO] [stderr]     Checking fixed-hash v0.3.2
[INFO] [stderr]     Checking impl-rlp v0.2.1
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]     Checking uint v0.7.1
[INFO] [stderr]     Checking ethbloom v0.6.4
[INFO] [stderr]     Checking impl-codec v0.2.0
[INFO] [stderr]     Checking primitive-types v0.3.0
[INFO] [stderr]     Checking plasma-cash-tokens v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/transaction.rs:104:21
[INFO] [stderr]     |
[INFO] [stderr] 104 |     fn hash_fn() -> (fn(&[u8]) -> Self::HashType);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/merkle.rs:18:14
[INFO] [stderr]    |
[INFO] [stderr] 18 |     hash_fn: (fn(&[u8]) -> HashType),
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr]     Checking ethereum-types v0.6.0
[INFO] [stderr]     Checking keccak-hash v0.2.0
[INFO] [stderr]     Checking ethabi v8.0.1
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/transaction.rs:104:21
[INFO] [stderr]     |
[INFO] [stderr] 104 |     fn hash_fn() -> (fn(&[u8]) -> Self::HashType);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/merkle.rs:18:14
[INFO] [stderr]    |
[INFO] [stderr] 18 |     hash_fn: (fn(&[u8]) -> HashType),
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> tests/eth_plasma_cash.rs:144:21
[INFO] [stderr]     |
[INFO] [stderr] 144 |     fn hash_fn() -> (fn(&[u8]) -> H256) {
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.44s
[INFO] running `"docker" "inspect" "57bed2a1be8864a347d716cb7069ec15335bfcc5412b8e869203934961696e73"`
[INFO] running `"docker" "rm" "-f" "57bed2a1be8864a347d716cb7069ec15335bfcc5412b8e869203934961696e73"`
[INFO] [stdout] 57bed2a1be8864a347d716cb7069ec15335bfcc5412b8e869203934961696e73