[INFO] updating cached repository rgeorgia/rust_prog_lang
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rgeorgia/rust_prog_lang
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rgeorgia/rust_prog_lang" "work/ex/beta-1.38-1/sources/1.37.0/gh/rgeorgia/rust_prog_lang"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/rgeorgia/rust_prog_lang'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rgeorgia/rust_prog_lang" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rgeorgia/rust_prog_lang"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rgeorgia/rust_prog_lang'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 51cb092a1e3caa3e5892a890966c6a3202c77228
[INFO] sha for GitHub repo rgeorgia/rust_prog_lang: 51cb092a1e3caa3e5892a890966c6a3202c77228
[INFO] validating manifest of rgeorgia/rust_prog_lang 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 rgeorgia/rust_prog_lang 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 rgeorgia/rust_prog_lang
[INFO] finished frobbing rgeorgia/rust_prog_lang
[INFO] frobbed toml for rgeorgia/rust_prog_lang written to work/ex/beta-1.38-1/sources/1.37.0/gh/rgeorgia/rust_prog_lang/Cargo.toml
[INFO] started frobbing rgeorgia/rust_prog_lang
[INFO] finished frobbing rgeorgia/rust_prog_lang
[INFO] frobbed toml for rgeorgia/rust_prog_lang written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rgeorgia/rust_prog_lang/Cargo.toml
[INFO] crate rgeorgia/rust_prog_lang 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 rgeorgia/rust_prog_lang 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-0/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/rgeorgia/rust_prog_lang:/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] 84755a2db5fa92b15a146acbc7124c63a863c34b35a9dbeabae9b73517f065e8
[INFO] running `"docker" "start" "-a" "84755a2db5fa92b15a146acbc7124c63a863c34b35a9dbeabae9b73517f065e8"`
[INFO] [stderr]    Compiling rust_prog_lang v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `"docker" "inspect" "84755a2db5fa92b15a146acbc7124c63a863c34b35a9dbeabae9b73517f065e8"`
[INFO] running `"docker" "rm" "-f" "84755a2db5fa92b15a146acbc7124c63a863c34b35a9dbeabae9b73517f065e8"`
[INFO] [stdout] 84755a2db5fa92b15a146acbc7124c63a863c34b35a9dbeabae9b73517f065e8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/rgeorgia/rust_prog_lang:/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] 177b4073a95f06d959e9a5825817fef1558076534307167e756ed330f8e81eb7
[INFO] running `"docker" "start" "-a" "177b4073a95f06d959e9a5825817fef1558076534307167e756ed330f8e81eb7"`
[INFO] [stderr]    Compiling rust_prog_lang v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `"docker" "inspect" "177b4073a95f06d959e9a5825817fef1558076534307167e756ed330f8e81eb7"`
[INFO] running `"docker" "rm" "-f" "177b4073a95f06d959e9a5825817fef1558076534307167e756ed330f8e81eb7"`
[INFO] [stdout] 177b4073a95f06d959e9a5825817fef1558076534307167e756ed330f8e81eb7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/rgeorgia/rust_prog_lang:/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] 307f08e4e937cd2e0df27df345d597b2b0753d07824413404083b74802375f74
[INFO] running `"docker" "start" "-a" "307f08e4e937cd2e0df27df345d597b2b0753d07824413404083b74802375f74"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_prog_lang-ebf4ed7e2c876ce7
[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" "307f08e4e937cd2e0df27df345d597b2b0753d07824413404083b74802375f74"`
[INFO] running `"docker" "rm" "-f" "307f08e4e937cd2e0df27df345d597b2b0753d07824413404083b74802375f74"`
[INFO] [stdout] 307f08e4e937cd2e0df27df345d597b2b0753d07824413404083b74802375f74