[INFO] updating cached repository amgoodfellow/baby-lang
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/amgoodfellow/baby-lang
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/amgoodfellow/baby-lang" "work/ex/beta-1.38-1/sources/1.37.0/gh/amgoodfellow/baby-lang"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/amgoodfellow/baby-lang'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/amgoodfellow/baby-lang" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/amgoodfellow/baby-lang"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/amgoodfellow/baby-lang'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f77329101017c0030e448b4bccd95a5a4fa9ea40
[INFO] sha for GitHub repo amgoodfellow/baby-lang: f77329101017c0030e448b4bccd95a5a4fa9ea40
[INFO] validating manifest of amgoodfellow/baby-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 amgoodfellow/baby-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 amgoodfellow/baby-lang
[INFO] finished frobbing amgoodfellow/baby-lang
[INFO] frobbed toml for amgoodfellow/baby-lang written to work/ex/beta-1.38-1/sources/1.37.0/gh/amgoodfellow/baby-lang/Cargo.toml
[INFO] started frobbing amgoodfellow/baby-lang
[INFO] finished frobbing amgoodfellow/baby-lang
[INFO] frobbed toml for amgoodfellow/baby-lang written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/amgoodfellow/baby-lang/Cargo.toml
[INFO] crate amgoodfellow/baby-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 amgoodfellow/baby-lang 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/amgoodfellow/baby-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] affa55bf9c386f54b664f48edf27e9aa2f50a188d049414f876eb22acbf90e09
[INFO] running `"docker" "start" "-a" "affa55bf9c386f54b664f48edf27e9aa2f50a188d049414f876eb22acbf90e09"`
[INFO] [stderr]    Compiling baby-lang v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `"docker" "inspect" "affa55bf9c386f54b664f48edf27e9aa2f50a188d049414f876eb22acbf90e09"`
[INFO] running `"docker" "rm" "-f" "affa55bf9c386f54b664f48edf27e9aa2f50a188d049414f876eb22acbf90e09"`
[INFO] [stdout] affa55bf9c386f54b664f48edf27e9aa2f50a188d049414f876eb22acbf90e09
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/amgoodfellow/baby-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 83cc8e95a454f75581ceb644d6958d2ff79ba9993739cfbba1e9856a4ad94c7b
[INFO] running `"docker" "start" "-a" "83cc8e95a454f75581ceb644d6958d2ff79ba9993739cfbba1e9856a4ad94c7b"`
[INFO] [stderr]    Compiling baby-lang v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `"docker" "inspect" "83cc8e95a454f75581ceb644d6958d2ff79ba9993739cfbba1e9856a4ad94c7b"`
[INFO] running `"docker" "rm" "-f" "83cc8e95a454f75581ceb644d6958d2ff79ba9993739cfbba1e9856a4ad94c7b"`
[INFO] [stdout] 83cc8e95a454f75581ceb644d6958d2ff79ba9993739cfbba1e9856a4ad94c7b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/amgoodfellow/baby-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 60c9c8dbb3159eac2374372e22780e7d634c17c36afbf12bad95cd3d99347cfd
[INFO] running `"docker" "start" "-a" "60c9c8dbb3159eac2374372e22780e7d634c17c36afbf12bad95cd3d99347cfd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/baby_lang-48a5f9a68f07f0fa
[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" "60c9c8dbb3159eac2374372e22780e7d634c17c36afbf12bad95cd3d99347cfd"`
[INFO] running `"docker" "rm" "-f" "60c9c8dbb3159eac2374372e22780e7d634c17c36afbf12bad95cd3d99347cfd"`
[INFO] [stdout] 60c9c8dbb3159eac2374372e22780e7d634c17c36afbf12bad95cd3d99347cfd