[INFO] updating cached repository arrrght/yaml2yaml
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/arrrght/yaml2yaml
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/arrrght/yaml2yaml" "work/ex/beta-1.38-1/sources/1.37.0/gh/arrrght/yaml2yaml"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/arrrght/yaml2yaml'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/arrrght/yaml2yaml" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/arrrght/yaml2yaml"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/arrrght/yaml2yaml'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8a51a3c369948c4d7f411c9c10f499c99959eb85
[INFO] sha for GitHub repo arrrght/yaml2yaml: 8a51a3c369948c4d7f411c9c10f499c99959eb85
[INFO] validating manifest of arrrght/yaml2yaml 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 arrrght/yaml2yaml 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 arrrght/yaml2yaml
[INFO] finished frobbing arrrght/yaml2yaml
[INFO] frobbed toml for arrrght/yaml2yaml written to work/ex/beta-1.38-1/sources/1.37.0/gh/arrrght/yaml2yaml/Cargo.toml
[INFO] started frobbing arrrght/yaml2yaml
[INFO] finished frobbing arrrght/yaml2yaml
[INFO] frobbed toml for arrrght/yaml2yaml written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/arrrght/yaml2yaml/Cargo.toml
[INFO] crate arrrght/yaml2yaml 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 arrrght/yaml2yaml 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-2/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/arrrght/yaml2yaml:/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] 5a724ca020fe374b088adeb23d4087cc135b54d606fa4cdd12f37e934029a34b
[INFO] running `"docker" "start" "-a" "5a724ca020fe374b088adeb23d4087cc135b54d606fa4cdd12f37e934029a34b"`
[INFO] [stderr]    Compiling env_logger v0.6.1
[INFO] [stderr]    Compiling yaml2yaml v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.05s
[INFO] running `"docker" "inspect" "5a724ca020fe374b088adeb23d4087cc135b54d606fa4cdd12f37e934029a34b"`
[INFO] running `"docker" "rm" "-f" "5a724ca020fe374b088adeb23d4087cc135b54d606fa4cdd12f37e934029a34b"`
[INFO] [stdout] 5a724ca020fe374b088adeb23d4087cc135b54d606fa4cdd12f37e934029a34b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/arrrght/yaml2yaml:/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] df1799e256ec6267fa954b20c174b6a47da31ac4be42c99c36435ecc22d5bef6
[INFO] running `"docker" "start" "-a" "df1799e256ec6267fa954b20c174b6a47da31ac4be42c99c36435ecc22d5bef6"`
[INFO] [stderr]    Compiling yaml2yaml v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `"docker" "inspect" "df1799e256ec6267fa954b20c174b6a47da31ac4be42c99c36435ecc22d5bef6"`
[INFO] running `"docker" "rm" "-f" "df1799e256ec6267fa954b20c174b6a47da31ac4be42c99c36435ecc22d5bef6"`
[INFO] [stdout] df1799e256ec6267fa954b20c174b6a47da31ac4be42c99c36435ecc22d5bef6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/arrrght/yaml2yaml:/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] f6eec9d485aee5a305de25ce339948fc5090aa4a73b954ef0b45334cb2c8c01e
[INFO] running `"docker" "start" "-a" "f6eec9d485aee5a305de25ce339948fc5090aa4a73b954ef0b45334cb2c8c01e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/yaml2yaml-13e40f0f183b39b6
[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" "f6eec9d485aee5a305de25ce339948fc5090aa4a73b954ef0b45334cb2c8c01e"`
[INFO] running `"docker" "rm" "-f" "f6eec9d485aee5a305de25ce339948fc5090aa4a73b954ef0b45334cb2c8c01e"`
[INFO] [stdout] f6eec9d485aee5a305de25ce339948fc5090aa4a73b954ef0b45334cb2c8c01e