[INFO] fetching crate arkecosystem-crypto 0.1.0...
[INFO] checking arkecosystem-crypto-0.1.0 against try#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345
[INFO] extracting crate arkecosystem-crypto 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate arkecosystem-crypto 0.1.0 on toolchain c8bdaa84ec1b37f18f30375e196a65b7602f3790
[INFO] running `"/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate arkecosystem-crypto 0.1.0
[INFO] finished tweaking crates.io crate arkecosystem-crypto 0.1.0
[INFO] tweaked toml for crates.io crate arkecosystem-crypto 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitcoin v0.14.2
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "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] 1b876d49bc4af2d8320ec6515ce2a80a92639f227cd6808c7488106bf16473d4
[INFO] running `"docker" "start" "-a" "1b876d49bc4af2d8320ec6515ce2a80a92639f227cd6808c7488106bf16473d4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling cc v1.0.26
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking bech32 v0.5.0
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking bitcoin-bech32 v0.8.1
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling secp256k1 v0.11.6
[INFO] [stderr]     Checking num-integer v0.1.43
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking ripemd160 v0.7.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking serde_json v1.0.55
[INFO] [stderr]     Checking bitcoin v0.14.2
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking arkecosystem-crypto v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]  --> src/configuration/network.rs:5:42
[INFO] [stderr]   |
[INFO] [stderr] 5 |     static ref NETWORK: Mutex<Network> = { Mutex::new(Network::Mainnet) };
[INFO] [stderr]   |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]  --> src/configuration/network.rs:5:42
[INFO] [stderr]   |
[INFO] [stderr] 5 |     static ref NETWORK: Mutex<Network> = { Mutex::new(Network::Mainnet) };
[INFO] [stderr]   |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/transactions/deserializer.rs:292:21
[INFO] [stderr]     |
[INFO] [stderr] 292 |                 let mut keysgroup = keysgroup.as_mut_slice();
[INFO] [stderr]     |                     ----^^^^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/transactions/deserializer.rs:292:21
[INFO] [stderr]     |
[INFO] [stderr] 292 |                 let mut keysgroup = keysgroup.as_mut_slice();
[INFO] [stderr]     |                     ----^^^^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.56s
[INFO] running `"docker" "inspect" "1b876d49bc4af2d8320ec6515ce2a80a92639f227cd6808c7488106bf16473d4"`
[INFO] running `"docker" "rm" "-f" "1b876d49bc4af2d8320ec6515ce2a80a92639f227cd6808c7488106bf16473d4"`
[INFO] [stdout] 1b876d49bc4af2d8320ec6515ce2a80a92639f227cd6808c7488106bf16473d4