[INFO] updating cached repository museun/reduce-target
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/museun/reduce-target
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/museun/reduce-target" "work/ex/beta-1.38-1/sources/1.37.0/gh/museun/reduce-target"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/museun/reduce-target'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/museun/reduce-target" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/museun/reduce-target"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/museun/reduce-target'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1fd9028e00ab4e23d74f82a04a327ebdaf3c8a78
[INFO] sha for GitHub repo museun/reduce-target: 1fd9028e00ab4e23d74f82a04a327ebdaf3c8a78
[INFO] validating manifest of museun/reduce-target 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 museun/reduce-target 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 museun/reduce-target
[INFO] finished frobbing museun/reduce-target
[INFO] frobbed toml for museun/reduce-target written to work/ex/beta-1.38-1/sources/1.37.0/gh/museun/reduce-target/Cargo.toml
[INFO] started frobbing museun/reduce-target
[INFO] finished frobbing museun/reduce-target
[INFO] frobbed toml for museun/reduce-target written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/museun/reduce-target/Cargo.toml
[INFO] crate museun/reduce-target 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 museun/reduce-target 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/museun/reduce-target:/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] 32d793e68172ed134666b842c60cd8b0463270dfd07668ffdd4b5756072b1b67
[INFO] running `"docker" "start" "-a" "32d793e68172ed134666b842c60cd8b0463270dfd07668ffdd4b5756072b1b67"`
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling gumdrop_derive v0.5.0
[INFO] [stderr]    Compiling gumdrop v0.5.0
[INFO] [stderr]    Compiling reduce-target v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.42s
[INFO] running `"docker" "inspect" "32d793e68172ed134666b842c60cd8b0463270dfd07668ffdd4b5756072b1b67"`
[INFO] running `"docker" "rm" "-f" "32d793e68172ed134666b842c60cd8b0463270dfd07668ffdd4b5756072b1b67"`
[INFO] [stdout] 32d793e68172ed134666b842c60cd8b0463270dfd07668ffdd4b5756072b1b67
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/museun/reduce-target:/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] 87afb662371996422419ef4113d3ea6a51300db81f9dcf8efb56322eb0902b43
[INFO] running `"docker" "start" "-a" "87afb662371996422419ef4113d3ea6a51300db81f9dcf8efb56322eb0902b43"`
[INFO] [stderr]    Compiling reduce-target v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "87afb662371996422419ef4113d3ea6a51300db81f9dcf8efb56322eb0902b43"`
[INFO] running `"docker" "rm" "-f" "87afb662371996422419ef4113d3ea6a51300db81f9dcf8efb56322eb0902b43"`
[INFO] [stdout] 87afb662371996422419ef4113d3ea6a51300db81f9dcf8efb56322eb0902b43
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/museun/reduce-target:/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] 676f2e7014398fbe99492d8f2f75b4d8d620fa195041652c09aec2c54d1d924d
[INFO] running `"docker" "start" "-a" "676f2e7014398fbe99492d8f2f75b4d8d620fa195041652c09aec2c54d1d924d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/reduce_target-24cecdac0dcdbc62
[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" "676f2e7014398fbe99492d8f2f75b4d8d620fa195041652c09aec2c54d1d924d"`
[INFO] running `"docker" "rm" "-f" "676f2e7014398fbe99492d8f2f75b4d8d620fa195041652c09aec2c54d1d924d"`
[INFO] [stdout] 676f2e7014398fbe99492d8f2f75b4d8d620fa195041652c09aec2c54d1d924d