[INFO] updating cached repository VaclavStebra/rust-book-structs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/VaclavStebra/rust-book-structs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/VaclavStebra/rust-book-structs" "work/ex/beta-1.37-6/sources/1.36.0/gh/VaclavStebra/rust-book-structs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/VaclavStebra/rust-book-structs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/VaclavStebra/rust-book-structs" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/VaclavStebra/rust-book-structs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/VaclavStebra/rust-book-structs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4ed42da7eb01be6e88e6d0320e7077a805a2842f
[INFO] sha for GitHub repo VaclavStebra/rust-book-structs: 4ed42da7eb01be6e88e6d0320e7077a805a2842f
[INFO] validating manifest of VaclavStebra/rust-book-structs on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of VaclavStebra/rust-book-structs on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing VaclavStebra/rust-book-structs
[INFO] finished frobbing VaclavStebra/rust-book-structs
[INFO] frobbed toml for VaclavStebra/rust-book-structs written to work/ex/beta-1.37-6/sources/1.36.0/gh/VaclavStebra/rust-book-structs/Cargo.toml
[INFO] started frobbing VaclavStebra/rust-book-structs
[INFO] finished frobbing VaclavStebra/rust-book-structs
[INFO] frobbed toml for VaclavStebra/rust-book-structs written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/VaclavStebra/rust-book-structs/Cargo.toml
[INFO] crate VaclavStebra/rust-book-structs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing VaclavStebra/rust-book-structs against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/VaclavStebra/rust-book-structs:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 74ab472c01dea2e3df94275b1dd533ecbf1d76ae90d839c3cfd4e09f68f23ae7
[INFO] running `"docker" "start" "-a" "74ab472c01dea2e3df94275b1dd533ecbf1d76ae90d839c3cfd4e09f68f23ae7"`
[INFO] [stderr]    Compiling rust-book-structs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `"docker" "inspect" "74ab472c01dea2e3df94275b1dd533ecbf1d76ae90d839c3cfd4e09f68f23ae7"`
[INFO] running `"docker" "rm" "-f" "74ab472c01dea2e3df94275b1dd533ecbf1d76ae90d839c3cfd4e09f68f23ae7"`
[INFO] [stdout] 74ab472c01dea2e3df94275b1dd533ecbf1d76ae90d839c3cfd4e09f68f23ae7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/VaclavStebra/rust-book-structs:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6a24817db04d2c41685cf2a864122e599597ee9e3114ec0e422aa349385fc2f3
[INFO] running `"docker" "start" "-a" "6a24817db04d2c41685cf2a864122e599597ee9e3114ec0e422aa349385fc2f3"`
[INFO] [stderr]    Compiling rust-book-structs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "6a24817db04d2c41685cf2a864122e599597ee9e3114ec0e422aa349385fc2f3"`
[INFO] running `"docker" "rm" "-f" "6a24817db04d2c41685cf2a864122e599597ee9e3114ec0e422aa349385fc2f3"`
[INFO] [stdout] 6a24817db04d2c41685cf2a864122e599597ee9e3114ec0e422aa349385fc2f3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/VaclavStebra/rust-book-structs:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 529eebebae3cbbdd29d5ab409bd2092b820f3a57c4e35cbfd3bc22f34f6ab24b
[INFO] running `"docker" "start" "-a" "529eebebae3cbbdd29d5ab409bd2092b820f3a57c4e35cbfd3bc22f34f6ab24b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_book_structs-74d5ebaa1a15b838
[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" "529eebebae3cbbdd29d5ab409bd2092b820f3a57c4e35cbfd3bc22f34f6ab24b"`
[INFO] running `"docker" "rm" "-f" "529eebebae3cbbdd29d5ab409bd2092b820f3a57c4e35cbfd3bc22f34f6ab24b"`
[INFO] [stdout] 529eebebae3cbbdd29d5ab409bd2092b820f3a57c4e35cbfd3bc22f34f6ab24b