[INFO] updating cached repository alexandr-krylov/twelve-days-of-christmas
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/alexandr-krylov/twelve-days-of-christmas
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/alexandr-krylov/twelve-days-of-christmas" "work/ex/beta-1.38-1/sources/1.37.0/gh/alexandr-krylov/twelve-days-of-christmas"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/alexandr-krylov/twelve-days-of-christmas'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/alexandr-krylov/twelve-days-of-christmas" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/alexandr-krylov/twelve-days-of-christmas"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/alexandr-krylov/twelve-days-of-christmas'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9e46928d5c3f023ca5e974b6499caeb0d729a1be
[INFO] sha for GitHub repo alexandr-krylov/twelve-days-of-christmas: 9e46928d5c3f023ca5e974b6499caeb0d729a1be
[INFO] validating manifest of alexandr-krylov/twelve-days-of-christmas 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 alexandr-krylov/twelve-days-of-christmas 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 alexandr-krylov/twelve-days-of-christmas
[INFO] finished frobbing alexandr-krylov/twelve-days-of-christmas
[INFO] frobbed toml for alexandr-krylov/twelve-days-of-christmas written to work/ex/beta-1.38-1/sources/1.37.0/gh/alexandr-krylov/twelve-days-of-christmas/Cargo.toml
[INFO] started frobbing alexandr-krylov/twelve-days-of-christmas
[INFO] finished frobbing alexandr-krylov/twelve-days-of-christmas
[INFO] frobbed toml for alexandr-krylov/twelve-days-of-christmas written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/alexandr-krylov/twelve-days-of-christmas/Cargo.toml
[INFO] crate alexandr-krylov/twelve-days-of-christmas 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 alexandr-krylov/twelve-days-of-christmas 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/alexandr-krylov/twelve-days-of-christmas:/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] c71b49dc4143120661724c973c67856fc66561cd5abd036cb48d785a6216ba1e
[INFO] running `"docker" "start" "-a" "c71b49dc4143120661724c973c67856fc66561cd5abd036cb48d785a6216ba1e"`
[INFO] [stderr]    Compiling twelve-days-of-christmas v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `"docker" "inspect" "c71b49dc4143120661724c973c67856fc66561cd5abd036cb48d785a6216ba1e"`
[INFO] running `"docker" "rm" "-f" "c71b49dc4143120661724c973c67856fc66561cd5abd036cb48d785a6216ba1e"`
[INFO] [stdout] c71b49dc4143120661724c973c67856fc66561cd5abd036cb48d785a6216ba1e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/alexandr-krylov/twelve-days-of-christmas:/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] 2d6aff28e109c137610c417247022b59c7f3bc3264e361d31a738dc62ccf015d
[INFO] running `"docker" "start" "-a" "2d6aff28e109c137610c417247022b59c7f3bc3264e361d31a738dc62ccf015d"`
[INFO] [stderr]    Compiling twelve-days-of-christmas v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `"docker" "inspect" "2d6aff28e109c137610c417247022b59c7f3bc3264e361d31a738dc62ccf015d"`
[INFO] running `"docker" "rm" "-f" "2d6aff28e109c137610c417247022b59c7f3bc3264e361d31a738dc62ccf015d"`
[INFO] [stdout] 2d6aff28e109c137610c417247022b59c7f3bc3264e361d31a738dc62ccf015d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/alexandr-krylov/twelve-days-of-christmas:/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] 8b9611871061d2524d387941c49c1525c20d9da457d5e49f11dca3b6a98f2cae
[INFO] running `"docker" "start" "-a" "8b9611871061d2524d387941c49c1525c20d9da457d5e49f11dca3b6a98f2cae"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/twelve_days_of_christmas-6313266bfc65d59b
[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" "8b9611871061d2524d387941c49c1525c20d9da457d5e49f11dca3b6a98f2cae"`
[INFO] running `"docker" "rm" "-f" "8b9611871061d2524d387941c49c1525c20d9da457d5e49f11dca3b6a98f2cae"`
[INFO] [stdout] 8b9611871061d2524d387941c49c1525c20d9da457d5e49f11dca3b6a98f2cae