[INFO] updating cached repository npfund/synacorchallenge
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/npfund/synacorchallenge
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/npfund/synacorchallenge" "work/ex/beta-1.38-1/sources/1.37.0/gh/npfund/synacorchallenge"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/npfund/synacorchallenge'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/npfund/synacorchallenge" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/npfund/synacorchallenge"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/npfund/synacorchallenge'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4efedfe352a5276b56866c29f02d205ba6959965
[INFO] sha for GitHub repo npfund/synacorchallenge: 4efedfe352a5276b56866c29f02d205ba6959965
[INFO] validating manifest of npfund/synacorchallenge 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 npfund/synacorchallenge 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 npfund/synacorchallenge
[INFO] finished frobbing npfund/synacorchallenge
[INFO] frobbed toml for npfund/synacorchallenge written to work/ex/beta-1.38-1/sources/1.37.0/gh/npfund/synacorchallenge/Cargo.toml
[INFO] started frobbing npfund/synacorchallenge
[INFO] finished frobbing npfund/synacorchallenge
[INFO] frobbed toml for npfund/synacorchallenge written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/npfund/synacorchallenge/Cargo.toml
[INFO] crate npfund/synacorchallenge 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 npfund/synacorchallenge 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-4/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/npfund/synacorchallenge:/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] 3d92980c0607e31a7d95a7b620396ca8ae3852922107a0aff259e1fbc7579435
[INFO] running `"docker" "start" "-a" "3d92980c0607e31a7d95a7b620396ca8ae3852922107a0aff259e1fbc7579435"`
[INFO] [stderr]    Compiling synacor v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `"docker" "inspect" "3d92980c0607e31a7d95a7b620396ca8ae3852922107a0aff259e1fbc7579435"`
[INFO] running `"docker" "rm" "-f" "3d92980c0607e31a7d95a7b620396ca8ae3852922107a0aff259e1fbc7579435"`
[INFO] [stdout] 3d92980c0607e31a7d95a7b620396ca8ae3852922107a0aff259e1fbc7579435
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/npfund/synacorchallenge:/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] 4901b642f538695dbca6c2a2acccf0314a56156211bf9833c0ac26aba1f780dd
[INFO] running `"docker" "start" "-a" "4901b642f538695dbca6c2a2acccf0314a56156211bf9833c0ac26aba1f780dd"`
[INFO] [stderr]    Compiling synacor v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `"docker" "inspect" "4901b642f538695dbca6c2a2acccf0314a56156211bf9833c0ac26aba1f780dd"`
[INFO] running `"docker" "rm" "-f" "4901b642f538695dbca6c2a2acccf0314a56156211bf9833c0ac26aba1f780dd"`
[INFO] [stdout] 4901b642f538695dbca6c2a2acccf0314a56156211bf9833c0ac26aba1f780dd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/npfund/synacorchallenge:/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] ade0ce69fa0d735e00b30ee5f1f193426d29c1cfe730a12ec0f07e315ede3c53
[INFO] running `"docker" "start" "-a" "ade0ce69fa0d735e00b30ee5f1f193426d29c1cfe730a12ec0f07e315ede3c53"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/synacor-50dbba7adf61d378
[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" "ade0ce69fa0d735e00b30ee5f1f193426d29c1cfe730a12ec0f07e315ede3c53"`
[INFO] running `"docker" "rm" "-f" "ade0ce69fa0d735e00b30ee5f1f193426d29c1cfe730a12ec0f07e315ede3c53"`
[INFO] [stdout] ade0ce69fa0d735e00b30ee5f1f193426d29c1cfe730a12ec0f07e315ede3c53