[INFO] updating cached repository siddharthist/coq-imports
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/siddharthist/coq-imports
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/siddharthist/coq-imports" "work/ex/beta-1.38-1/sources/1.37.0/gh/siddharthist/coq-imports"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/siddharthist/coq-imports'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/siddharthist/coq-imports" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/siddharthist/coq-imports"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/siddharthist/coq-imports'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ce547cc0841eb5a64926f6b51a3b2df4de324ec3
[INFO] sha for GitHub repo siddharthist/coq-imports: ce547cc0841eb5a64926f6b51a3b2df4de324ec3
[INFO] validating manifest of siddharthist/coq-imports on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of siddharthist/coq-imports on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing siddharthist/coq-imports
[INFO] finished frobbing siddharthist/coq-imports
[INFO] frobbed toml for siddharthist/coq-imports written to work/ex/beta-1.38-1/sources/1.37.0/gh/siddharthist/coq-imports/Cargo.toml
[INFO] started frobbing siddharthist/coq-imports
[INFO] finished frobbing siddharthist/coq-imports
[INFO] frobbed toml for siddharthist/coq-imports written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/siddharthist/coq-imports/Cargo.toml
[INFO] crate siddharthist/coq-imports already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing siddharthist/coq-imports against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/siddharthist/coq-imports:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 60647267b3a1119a7a2553de41c0ad37087a321ac8672d89172782d0067f67e6
[INFO] running `"docker" "start" "-a" "60647267b3a1119a7a2553de41c0ad37087a321ac8672d89172782d0067f67e6"`
[INFO] [stderr]    Compiling pretty_env_logger v0.3.0
[INFO] [stderr]    Compiling coq-imports v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `matches`
[INFO] [stderr]   --> src/lib.rs:20:32
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub fn config_from_matches<'a>(matches: &'a clap::ArgMatches,
[INFO] [stderr]    |                                ^^^^^^^ help: consider prefixing with an underscore: `_matches`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.84s
[INFO] running `"docker" "inspect" "60647267b3a1119a7a2553de41c0ad37087a321ac8672d89172782d0067f67e6"`
[INFO] running `"docker" "rm" "-f" "60647267b3a1119a7a2553de41c0ad37087a321ac8672d89172782d0067f67e6"`
[INFO] [stdout] 60647267b3a1119a7a2553de41c0ad37087a321ac8672d89172782d0067f67e6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/siddharthist/coq-imports:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] ca3ae545821aa390e97ca9ecff97fd7d5e071932c24e778263f7618edce224f8
[INFO] running `"docker" "start" "-a" "ca3ae545821aa390e97ca9ecff97fd7d5e071932c24e778263f7618edce224f8"`
[INFO] [stderr]    Compiling coq-imports v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `matches`
[INFO] [stderr]   --> src/lib.rs:20:32
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub fn config_from_matches<'a>(matches: &'a clap::ArgMatches,
[INFO] [stderr]    |                                ^^^^^^^ help: consider prefixing with an underscore: `_matches`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.62s
[INFO] running `"docker" "inspect" "ca3ae545821aa390e97ca9ecff97fd7d5e071932c24e778263f7618edce224f8"`
[INFO] running `"docker" "rm" "-f" "ca3ae545821aa390e97ca9ecff97fd7d5e071932c24e778263f7618edce224f8"`
[INFO] [stdout] ca3ae545821aa390e97ca9ecff97fd7d5e071932c24e778263f7618edce224f8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/siddharthist/coq-imports:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] db1d5ab4c8fc687e1872681a7d1c37204783f0cf8e0c1b592896772086601093
[INFO] running `"docker" "start" "-a" "db1d5ab4c8fc687e1872681a7d1c37204783f0cf8e0c1b592896772086601093"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/coq_imports_lib-6ad73eb267f10a91
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/coq_imports-c0e7b9b393f2625e
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tests-240a53512d466809
[INFO] [stderr]    Doc-tests coq_imports_lib
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_get_package_components ... ok
[INFO] [stdout] test test_matching_prefix ... ok
[INFO] [stdout] test test_max_matching_line ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "db1d5ab4c8fc687e1872681a7d1c37204783f0cf8e0c1b592896772086601093"`
[INFO] running `"docker" "rm" "-f" "db1d5ab4c8fc687e1872681a7d1c37204783f0cf8e0c1b592896772086601093"`
[INFO] [stdout] db1d5ab4c8fc687e1872681a7d1c37204783f0cf8e0c1b592896772086601093