[INFO] fetching crate ethpm 0.1.0-alpha.2...
[INFO] extracting crate ethpm 0.1.0-alpha.2 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/ethpm/0.1.0-alpha.2
[INFO] extracting crate ethpm 0.1.0-alpha.2 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/ethpm/0.1.0-alpha.2
[INFO] validating manifest of ethpm-0.1.0-alpha.2 on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ethpm-0.1.0-alpha.2 on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ethpm-0.1.0-alpha.2
[INFO] finished frobbing ethpm-0.1.0-alpha.2
[INFO] frobbed toml for ethpm-0.1.0-alpha.2 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/ethpm/0.1.0-alpha.2/Cargo.toml
[INFO] started frobbing ethpm-0.1.0-alpha.2
[INFO] finished frobbing ethpm-0.1.0-alpha.2
[INFO] frobbed toml for ethpm-0.1.0-alpha.2 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/ethpm/0.1.0-alpha.2/Cargo.toml
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ethpm-0.1.0-alpha.2 against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-1/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/ethpm/0.1.0-alpha.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b57d7c9e667be97890b011a19b7b6d66526066494458bb0eb8e22b21f3130b0b
[INFO] running `"docker" "start" "-a" "b57d7c9e667be97890b011a19b7b6d66526066494458bb0eb8e22b21f3130b0b"`
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking rlp v0.4.0
[INFO] [stderr]     Checking fixed-hash v0.3.2
[INFO] [stderr]     Checking tokio-threadpool v0.1.15
[INFO] [stderr]     Checking impl-serde v0.2.0
[INFO] [stderr]     Checking ethereum-types-serialize v0.2.2
[INFO] [stderr]     Checking jsonrpc-core v11.0.0
[INFO] [stderr]     Checking ethpm v0.1.0-alpha.2 (/opt/crater/workdir)
[INFO] [stderr]     Checking impl-rlp v0.2.0
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]     Checking uint v0.5.0
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking ethbloom v0.6.4
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking ethereum-types v0.5.2
[INFO] [stderr]     Checking hyper v0.12.33
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking tokio-uds v0.1.7
[INFO] [stderr]     Checking websocket v0.21.1
[INFO] [stderr]     Checking ethabi v7.0.0
[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 15.89s
[INFO] running `"docker" "inspect" "b57d7c9e667be97890b011a19b7b6d66526066494458bb0eb8e22b21f3130b0b"`
[INFO] running `"docker" "rm" "-f" "b57d7c9e667be97890b011a19b7b6d66526066494458bb0eb8e22b21f3130b0b"`
[INFO] [stdout] b57d7c9e667be97890b011a19b7b6d66526066494458bb0eb8e22b21f3130b0b