[INFO] fetching crate ethpm 0.1.0-alpha.2...
[INFO] checking ethpm-0.1.0-alpha.2 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate ethpm 0.1.0-alpha.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate ethpm 0.1.0-alpha.2 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate ethpm 0.1.0-alpha.2
[INFO] finished tweaking crates.io crate ethpm 0.1.0-alpha.2
[INFO] tweaked toml for crates.io crate ethpm 0.1.0-alpha.2 written to /workspace/builds/worker-0/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stdout] 25efdcb35d247a5938a88ccbcae486a7c4bd119be935fd2b1e5285975621017f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "25efdcb35d247a5938a88ccbcae486a7c4bd119be935fd2b1e5285975621017f"`
[INFO] [stderr]     Checking fixed-hash v0.3.2
[INFO] [stderr]     Checking uint v0.5.0
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-tls v0.2.1
[INFO] [stderr]    Compiling derive_more v0.14.1
[INFO] [stderr]     Checking impl-serde v0.2.1
[INFO] [stderr]     Checking ethereum-types-serialize v0.2.2
[INFO] [stderr]     Checking tokio-threadpool v0.1.16
[INFO] [stderr]     Checking jsonrpc-core v11.0.0
[INFO] [stderr]     Checking ethpm v0.1.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking ethbloom v0.6.4
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-udp v0.1.5
[INFO] [stderr]     Checking ethereum-types v0.5.2
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]     Checking ethabi v7.0.0
[INFO] [stderr]     Checking tokio-uds v0.1.7
[INFO] [stderr]     Checking websocket v0.21.1
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking web3 v0.7.0
[INFO] [stderr] warning: unused import: `ethpm`
[INFO] [stderr]  --> tests/fuzzing.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use ethpm;
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `package`
[INFO] [stderr]   --> tests/spec_examples.rs:29:13
[INFO] [stderr]    |
[INFO] [stderr] 29 |         let package: ethpm::Package = serde_json::from_str(&example).unwrap();
[INFO] [stderr]    |             ^^^^^^^ help: consider prefixing with an underscore: `_package`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `raw_object`
[INFO] [stderr]   --> tests/spec_examples.rs:30:13
[INFO] [stderr]    |
[INFO] [stderr] 30 |         let raw_object: serde_json::Value = serde_json::from_str(&example).unwrap();
[INFO] [stderr]    |             ^^^^^^^^^^ help: consider prefixing with an underscore: `_raw_object`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ethpm`
[INFO] [stderr]  --> tests/web3_contracts.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use ethpm;
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `web3`
[INFO] [stderr]  --> tests/web3_contracts.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use web3;
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.81s
[INFO] running `"docker" "inspect" "25efdcb35d247a5938a88ccbcae486a7c4bd119be935fd2b1e5285975621017f"`
[INFO] running `"docker" "rm" "-f" "25efdcb35d247a5938a88ccbcae486a7c4bd119be935fd2b1e5285975621017f"`
[INFO] [stdout] 25efdcb35d247a5938a88ccbcae486a7c4bd119be935fd2b1e5285975621017f