[INFO] updating cached repository LiamClark/rust-cmdline-flag-utillity
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/LiamClark/rust-cmdline-flag-utillity
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/LiamClark/rust-cmdline-flag-utillity" "work/ex/beta-1.38-1/sources/1.37.0/gh/LiamClark/rust-cmdline-flag-utillity"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/LiamClark/rust-cmdline-flag-utillity'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/LiamClark/rust-cmdline-flag-utillity" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/LiamClark/rust-cmdline-flag-utillity"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/LiamClark/rust-cmdline-flag-utillity'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2efbba61f670003406a7bbb071a1f8e567099c1e
[INFO] sha for GitHub repo LiamClark/rust-cmdline-flag-utillity: 2efbba61f670003406a7bbb071a1f8e567099c1e
[INFO] validating manifest of LiamClark/rust-cmdline-flag-utillity 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 LiamClark/rust-cmdline-flag-utillity 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 LiamClark/rust-cmdline-flag-utillity
[INFO] finished frobbing LiamClark/rust-cmdline-flag-utillity
[INFO] frobbed toml for LiamClark/rust-cmdline-flag-utillity written to work/ex/beta-1.38-1/sources/1.37.0/gh/LiamClark/rust-cmdline-flag-utillity/Cargo.toml
[INFO] started frobbing LiamClark/rust-cmdline-flag-utillity
[INFO] finished frobbing LiamClark/rust-cmdline-flag-utillity
[INFO] frobbed toml for LiamClark/rust-cmdline-flag-utillity written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/LiamClark/rust-cmdline-flag-utillity/Cargo.toml
[INFO] crate LiamClark/rust-cmdline-flag-utillity 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing LiamClark/rust-cmdline-flag-utillity 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/LiamClark/rust-cmdline-flag-utillity:/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] 5c676d32a8458c90e9d6730b340a0220fbccadd97850d700157d9268e090308d
[INFO] running `"docker" "start" "-a" "5c676d32a8458c90e9d6730b340a0220fbccadd97850d700157d9268e090308d"`
[INFO] [stderr]    Compiling cmdflags v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `FlagFormat`
[INFO] [stderr]  --> src/tests.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use FlagFormat;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ArgMap`
[INFO] [stderr]  --> src/tests.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use ArgMap;
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `main`
[INFO] [stderr]  --> src/lib.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn main() {
[INFO] [stderr]   | ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `"docker" "inspect" "5c676d32a8458c90e9d6730b340a0220fbccadd97850d700157d9268e090308d"`
[INFO] running `"docker" "rm" "-f" "5c676d32a8458c90e9d6730b340a0220fbccadd97850d700157d9268e090308d"`
[INFO] [stdout] 5c676d32a8458c90e9d6730b340a0220fbccadd97850d700157d9268e090308d
[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/LiamClark/rust-cmdline-flag-utillity:/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] e0151e64128fb277fd4a4e7d68157e1d27804d0bffdecd64f010817248a8f359
[INFO] running `"docker" "start" "-a" "e0151e64128fb277fd4a4e7d68157e1d27804d0bffdecd64f010817248a8f359"`
[INFO] [stderr]    Compiling cmdflags v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.93s
[INFO] running `"docker" "inspect" "e0151e64128fb277fd4a4e7d68157e1d27804d0bffdecd64f010817248a8f359"`
[INFO] running `"docker" "rm" "-f" "e0151e64128fb277fd4a4e7d68157e1d27804d0bffdecd64f010817248a8f359"`
[INFO] [stdout] e0151e64128fb277fd4a4e7d68157e1d27804d0bffdecd64f010817248a8f359
[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/LiamClark/rust-cmdline-flag-utillity:/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] 09da9c6eed77db5271a51e9b1eec536c430437c1f90d4869bfff94bbec283683
[INFO] running `"docker" "start" "-a" "09da9c6eed77db5271a51e9b1eec536c430437c1f90d4869bfff94bbec283683"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cmdflags-95efc281647b231b
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::bool_and_int_arg ... ok
[INFO] [stdout] test tests::integration_test_string ... ok
[INFO] [stdout] test tests::integration_test_bool ... ok
[INFO] [stdout] test tests::integration_test_int ... ok
[INFO] [stdout] test tests::all_arg_types ... ok
[INFO] [stdout] test tests::multi_letter_test ... ok
[INFO] [stdout] test tests::test_one_arg ... ok
[INFO] [stdout] test tests::parse_multi_test_one_letter ... ok
[INFO] [stdout] test tests::test_int_arg ... ok
[INFO] [stdout] test tests::test_bool_arg_of ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cmdflags
[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" "09da9c6eed77db5271a51e9b1eec536c430437c1f90d4869bfff94bbec283683"`
[INFO] running `"docker" "rm" "-f" "09da9c6eed77db5271a51e9b1eec536c430437c1f90d4869bfff94bbec283683"`
[INFO] [stdout] 09da9c6eed77db5271a51e9b1eec536c430437c1f90d4869bfff94bbec283683