[INFO] cloning repository kellymclaughlin/rust-quickcheck-example
[INFO] running `"git" "clone" "--bare" "git://github.com/kellymclaughlin/rust-quickcheck-example.git" "work/cache/sources/gh/kellymclaughlin/rust-quickcheck-example"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/kellymclaughlin/rust-quickcheck-example'...
[INFO] running `"git" "clone" "work/cache/sources/gh/kellymclaughlin/rust-quickcheck-example" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/kellymclaughlin/rust-quickcheck-example"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/kellymclaughlin/rust-quickcheck-example'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kellymclaughlin/rust-quickcheck-example" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/kellymclaughlin/rust-quickcheck-example"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/kellymclaughlin/rust-quickcheck-example'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 698332504a0d40080773f9128141b18fc163d61c
[INFO] sha for GitHub repo kellymclaughlin/rust-quickcheck-example: 698332504a0d40080773f9128141b18fc163d61c
[INFO] validating manifest of kellymclaughlin/rust-quickcheck-example 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 kellymclaughlin/rust-quickcheck-example 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 kellymclaughlin/rust-quickcheck-example
[INFO] finished frobbing kellymclaughlin/rust-quickcheck-example
[INFO] frobbed toml for kellymclaughlin/rust-quickcheck-example written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/kellymclaughlin/rust-quickcheck-example/Cargo.toml
[INFO] started frobbing kellymclaughlin/rust-quickcheck-example
[INFO] finished frobbing kellymclaughlin/rust-quickcheck-example
[INFO] frobbed toml for kellymclaughlin/rust-quickcheck-example written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/kellymclaughlin/rust-quickcheck-example/Cargo.toml
[INFO] crate kellymclaughlin/rust-quickcheck-example already has a lockfile, it will not be regenerated
[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 kellymclaughlin/rust-quickcheck-example against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-4/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/kellymclaughlin/rust-quickcheck-example:/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" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e382fc37afa5d7b565d66ae11b461d4ce8aa4a96d3050c8aa2752749bab12e7b
[INFO] running `"docker" "start" "-a" "e382fc37afa5d7b565d66ae11b461d4ce8aa4a96d3050c8aa2752749bab12e7b"`
[INFO] [stderr]     Checking env_logger v0.6.1
[INFO] [stderr]     Checking quickcheck v0.8.3
[INFO] [stderr]     Checking quickcheck-example v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `StdGen`, `quickcheck`
[INFO] [stderr]   --> src/main.rs:17:22
[INFO] [stderr]    |
[INFO] [stderr] 17 |     use quickcheck::{quickcheck, QuickCheck, StdGen, StdThreadGen};
[INFO] [stderr]    |                      ^^^^^^^^^^              ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.42s
[INFO] running `"docker" "inspect" "e382fc37afa5d7b565d66ae11b461d4ce8aa4a96d3050c8aa2752749bab12e7b"`
[INFO] running `"docker" "rm" "-f" "e382fc37afa5d7b565d66ae11b461d4ce8aa4a96d3050c8aa2752749bab12e7b"`
[INFO] [stdout] e382fc37afa5d7b565d66ae11b461d4ce8aa4a96d3050c8aa2752749bab12e7b