[INFO] cloning repository DarrenTsung/rspec-timing-splitter
[INFO] running `"git" "clone" "--bare" "git://github.com/DarrenTsung/rspec-timing-splitter.git" "work/cache/sources/gh/DarrenTsung/rspec-timing-splitter"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/DarrenTsung/rspec-timing-splitter'...
[INFO] running `"git" "clone" "work/cache/sources/gh/DarrenTsung/rspec-timing-splitter" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/DarrenTsung/rspec-timing-splitter"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/DarrenTsung/rspec-timing-splitter'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/DarrenTsung/rspec-timing-splitter" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/DarrenTsung/rspec-timing-splitter"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/DarrenTsung/rspec-timing-splitter'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 25a723250ae7e45f83281f08f3b53a23bd59d0ef
[INFO] sha for GitHub repo DarrenTsung/rspec-timing-splitter: 25a723250ae7e45f83281f08f3b53a23bd59d0ef
[INFO] validating manifest of DarrenTsung/rspec-timing-splitter 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 DarrenTsung/rspec-timing-splitter 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 DarrenTsung/rspec-timing-splitter
[INFO] finished frobbing DarrenTsung/rspec-timing-splitter
[INFO] frobbed toml for DarrenTsung/rspec-timing-splitter written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/DarrenTsung/rspec-timing-splitter/Cargo.toml
[INFO] started frobbing DarrenTsung/rspec-timing-splitter
[INFO] finished frobbing DarrenTsung/rspec-timing-splitter
[INFO] frobbed toml for DarrenTsung/rspec-timing-splitter written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/DarrenTsung/rspec-timing-splitter/Cargo.toml
[INFO] crate DarrenTsung/rspec-timing-splitter 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 DarrenTsung/rspec-timing-splitter against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-3/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/DarrenTsung/rspec-timing-splitter:/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] a119962618e8ff62686dac476fab83c07b9e0db7d6568c434d3d94425d296a25
[INFO] running `"docker" "start" "-a" "a119962618e8ff62686dac476fab83c07b9e0db7d6568c434d3d94425d296a25"`
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling structopt-derive v0.2.14
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking structopt v0.2.14
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking rspec-timing-tool v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> tests/test_dir/mod.rs:4:15
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::{Read, Write};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Path`
[INFO] [stderr]  --> tests/test_dir/mod.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::path::{Path, PathBuf};
[INFO] [stderr]   |                 ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> tests/test_dir/mod.rs:4:15
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::{Read, Write};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Path`
[INFO] [stderr]  --> tests/test_dir/mod.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::path::{Path, PathBuf};
[INFO] [stderr]   |                 ^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.59s
[INFO] running `"docker" "inspect" "a119962618e8ff62686dac476fab83c07b9e0db7d6568c434d3d94425d296a25"`
[INFO] running `"docker" "rm" "-f" "a119962618e8ff62686dac476fab83c07b9e0db7d6568c434d3d94425d296a25"`
[INFO] [stdout] a119962618e8ff62686dac476fab83c07b9e0db7d6568c434d3d94425d296a25