[INFO] updating cached repository study-rust/structs-example
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/study-rust/structs-example
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/study-rust/structs-example" "work/ex/beta-1.38-1/sources/1.37.0/gh/study-rust/structs-example"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/study-rust/structs-example'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/study-rust/structs-example" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/study-rust/structs-example"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/study-rust/structs-example'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c7521c094b8af0d2c263123adeb243475c7d6725
[INFO] sha for GitHub repo study-rust/structs-example: c7521c094b8af0d2c263123adeb243475c7d6725
[INFO] validating manifest of study-rust/structs-example 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 study-rust/structs-example 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 study-rust/structs-example
[INFO] finished frobbing study-rust/structs-example
[INFO] frobbed toml for study-rust/structs-example written to work/ex/beta-1.38-1/sources/1.37.0/gh/study-rust/structs-example/Cargo.toml
[INFO] started frobbing study-rust/structs-example
[INFO] finished frobbing study-rust/structs-example
[INFO] frobbed toml for study-rust/structs-example written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/study-rust/structs-example/Cargo.toml
[INFO] crate study-rust/structs-example 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 study-rust/structs-example 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/study-rust/structs-example:/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] da71b04bff67e84a7036bd8bc11106b9c8a5e272e7129888b020b39012d57562
[INFO] running `"docker" "start" "-a" "da71b04bff67e84a7036bd8bc11106b9c8a5e272e7129888b020b39012d57562"`
[INFO] [stderr]    Compiling structs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "da71b04bff67e84a7036bd8bc11106b9c8a5e272e7129888b020b39012d57562"`
[INFO] running `"docker" "rm" "-f" "da71b04bff67e84a7036bd8bc11106b9c8a5e272e7129888b020b39012d57562"`
[INFO] [stdout] da71b04bff67e84a7036bd8bc11106b9c8a5e272e7129888b020b39012d57562
[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/study-rust/structs-example:/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] ca530a0515761cb7d967195322eb16ec889dc398429ac47bbdf49c21f5840da7
[INFO] running `"docker" "start" "-a" "ca530a0515761cb7d967195322eb16ec889dc398429ac47bbdf49c21f5840da7"`
[INFO] [stderr]    Compiling structs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `"docker" "inspect" "ca530a0515761cb7d967195322eb16ec889dc398429ac47bbdf49c21f5840da7"`
[INFO] running `"docker" "rm" "-f" "ca530a0515761cb7d967195322eb16ec889dc398429ac47bbdf49c21f5840da7"`
[INFO] [stdout] ca530a0515761cb7d967195322eb16ec889dc398429ac47bbdf49c21f5840da7
[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/study-rust/structs-example:/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] b7ce91c156186101ecc85da100c14b0205a483e2225d605205786fe6bc58c760
[INFO] running `"docker" "start" "-a" "b7ce91c156186101ecc85da100c14b0205a483e2225d605205786fe6bc58c760"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/structs-d9bf344fcacc9737
[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" "b7ce91c156186101ecc85da100c14b0205a483e2225d605205786fe6bc58c760"`
[INFO] running `"docker" "rm" "-f" "b7ce91c156186101ecc85da100c14b0205a483e2225d605205786fe6bc58c760"`
[INFO] [stdout] b7ce91c156186101ecc85da100c14b0205a483e2225d605205786fe6bc58c760