[INFO] updating cached repository GovTechSG/chkr
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/GovTechSG/chkr
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/GovTechSG/chkr" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/GovTechSG/chkr"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/GovTechSG/chkr'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/GovTechSG/chkr" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/GovTechSG/chkr"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/GovTechSG/chkr'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 767e4218499563f16683fc0b38f3e6505ef80480
[INFO] sha for GitHub repo GovTechSG/chkr: 767e4218499563f16683fc0b38f3e6505ef80480
[INFO] validating manifest of GovTechSG/chkr on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of GovTechSG/chkr on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing GovTechSG/chkr
[INFO] finished frobbing GovTechSG/chkr
[INFO] frobbed toml for GovTechSG/chkr written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/GovTechSG/chkr/Cargo.toml
[INFO] started frobbing GovTechSG/chkr
[INFO] finished frobbing GovTechSG/chkr
[INFO] frobbed toml for GovTechSG/chkr written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/GovTechSG/chkr/Cargo.toml
[INFO] crate GovTechSG/chkr has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing GovTechSG/chkr against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-3/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/GovTechSG/chkr:/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=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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] 66c4f8cbe03f7cafb799c68fe10e0c4fa5cf75a79f358587a7d6e752c5491d62
[INFO] running `"docker" "start" "-a" "66c4f8cbe03f7cafb799c68fe10e0c4fa5cf75a79f358587a7d6e752c5491d62"`
[INFO] [stderr]    Compiling md5 v0.3.3
[INFO] [stderr]    Compiling docopt v0.6.86
[INFO] [stderr]    Compiling chkr v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.25s
[INFO] running `"docker" "inspect" "66c4f8cbe03f7cafb799c68fe10e0c4fa5cf75a79f358587a7d6e752c5491d62"`
[INFO] running `"docker" "rm" "-f" "66c4f8cbe03f7cafb799c68fe10e0c4fa5cf75a79f358587a7d6e752c5491d62"`
[INFO] [stdout] 66c4f8cbe03f7cafb799c68fe10e0c4fa5cf75a79f358587a7d6e752c5491d62
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-3/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/GovTechSG/chkr:/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=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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 074cf70cb1232cb8233fdca9f398166dfa3802ff01134dd956855359d599749c
[INFO] running `"docker" "start" "-a" "074cf70cb1232cb8233fdca9f398166dfa3802ff01134dd956855359d599749c"`
[INFO] [stderr]    Compiling assert_matches v1.1.0
[INFO] [stderr]    Compiling chkr v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.47s
[INFO] running `"docker" "inspect" "074cf70cb1232cb8233fdca9f398166dfa3802ff01134dd956855359d599749c"`
[INFO] running `"docker" "rm" "-f" "074cf70cb1232cb8233fdca9f398166dfa3802ff01134dd956855359d599749c"`
[INFO] [stdout] 074cf70cb1232cb8233fdca9f398166dfa3802ff01134dd956855359d599749c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-3/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/GovTechSG/chkr:/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=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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] 9a470810c17d7bfec4102665f67de26cf87ee8c54e4df4acae4a2ea8c63b99b8
[INFO] running `"docker" "start" "-a" "9a470810c17d7bfec4102665f67de26cf87ee8c54e4df4acae4a2ea8c63b99b8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/chkr-c10a5f1de46bdcfd
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test checksum::tests::incorrect_checksum_is_verified_correctly ... ok
[INFO] [stdout] test checksum::tests::checksum_is_verified_correctly ... ok
[INFO] [stdout] test checksum::tests::checksums_manifest_is_verified_correctly ... ok
[INFO] [stdout] test checksum::tests::missing_file_is_reported ... ok
[INFO] [stdout] test tests::file_returns_one_for_mismatch ... ok
[INFO] [stdout] test tests::file_returns_two_for_errors ... ok
[INFO] [stdout] test tests::file_returns_zero_for_match ... ok
[INFO] [stdout] test checksum::tests::checksums_are_read_correctly ... ok
[INFO] [stdout] test tests::manifest_returns_three_for_fixture ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "9a470810c17d7bfec4102665f67de26cf87ee8c54e4df4acae4a2ea8c63b99b8"`
[INFO] running `"docker" "rm" "-f" "9a470810c17d7bfec4102665f67de26cf87ee8c54e4df4acae4a2ea8c63b99b8"`
[INFO] [stdout] 9a470810c17d7bfec4102665f67de26cf87ee8c54e4df4acae4a2ea8c63b99b8