[INFO] updating cached repository IgaguriMK/serde-enum-samples
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/IgaguriMK/serde-enum-samples
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/IgaguriMK/serde-enum-samples" "work/ex/beta-1.38-1/sources/1.37.0/gh/IgaguriMK/serde-enum-samples"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/IgaguriMK/serde-enum-samples'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/IgaguriMK/serde-enum-samples" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/IgaguriMK/serde-enum-samples"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/IgaguriMK/serde-enum-samples'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 748be109a5a18cc8121e93f9357fda3172ac9d40
[INFO] sha for GitHub repo IgaguriMK/serde-enum-samples: 748be109a5a18cc8121e93f9357fda3172ac9d40
[INFO] validating manifest of IgaguriMK/serde-enum-samples 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 IgaguriMK/serde-enum-samples 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 IgaguriMK/serde-enum-samples
[INFO] finished frobbing IgaguriMK/serde-enum-samples
[INFO] frobbed toml for IgaguriMK/serde-enum-samples written to work/ex/beta-1.38-1/sources/1.37.0/gh/IgaguriMK/serde-enum-samples/Cargo.toml
[INFO] started frobbing IgaguriMK/serde-enum-samples
[INFO] finished frobbing IgaguriMK/serde-enum-samples
[INFO] frobbed toml for IgaguriMK/serde-enum-samples written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/IgaguriMK/serde-enum-samples/Cargo.toml
[INFO] crate IgaguriMK/serde-enum-samples 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 IgaguriMK/serde-enum-samples against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/IgaguriMK/serde-enum-samples:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] c914933226436866deed81f9f4bfd9e5fd34c49c8045c694224000c6b1ea7d18
[INFO] running `"docker" "start" "-a" "c914933226436866deed81f9f4bfd9e5fd34c49c8045c694224000c6b1ea7d18"`
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]    Compiling failure v0.1.3
[INFO] [stderr]    Compiling serde-enum-samples v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.94s
[INFO] running `"docker" "inspect" "c914933226436866deed81f9f4bfd9e5fd34c49c8045c694224000c6b1ea7d18"`
[INFO] running `"docker" "rm" "-f" "c914933226436866deed81f9f4bfd9e5fd34c49c8045c694224000c6b1ea7d18"`
[INFO] [stdout] c914933226436866deed81f9f4bfd9e5fd34c49c8045c694224000c6b1ea7d18
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/IgaguriMK/serde-enum-samples:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] f4c6aed6ff6115d6aa32bb3917f01776ea86094c512452c7baaa1661e7bc8a86
[INFO] running `"docker" "start" "-a" "f4c6aed6ff6115d6aa32bb3917f01776ea86094c512452c7baaa1661e7bc8a86"`
[INFO] [stderr]    Compiling serde-enum-samples v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.31s
[INFO] running `"docker" "inspect" "f4c6aed6ff6115d6aa32bb3917f01776ea86094c512452c7baaa1661e7bc8a86"`
[INFO] running `"docker" "rm" "-f" "f4c6aed6ff6115d6aa32bb3917f01776ea86094c512452c7baaa1661e7bc8a86"`
[INFO] [stdout] f4c6aed6ff6115d6aa32bb3917f01776ea86094c512452c7baaa1661e7bc8a86
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/IgaguriMK/serde-enum-samples:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 9eb56e6bc7eb73064d3559b8eca12301bd2081c5ec7588eb71bfc79e5de6d4e6
[INFO] running `"docker" "start" "-a" "9eb56e6bc7eb73064d3559b8eca12301bd2081c5ec7588eb71bfc79e5de6d4e6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/serde_enum_samples-c8c423ed55b2c306
[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" "9eb56e6bc7eb73064d3559b8eca12301bd2081c5ec7588eb71bfc79e5de6d4e6"`
[INFO] running `"docker" "rm" "-f" "9eb56e6bc7eb73064d3559b8eca12301bd2081c5ec7588eb71bfc79e5de6d4e6"`
[INFO] [stdout] 9eb56e6bc7eb73064d3559b8eca12301bd2081c5ec7588eb71bfc79e5de6d4e6