[INFO] updating cached repository ethanwc/rust-helloworld
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ethanwc/rust-helloworld
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ethanwc/rust-helloworld" "work/ex/beta-1.38-1/sources/1.37.0/gh/ethanwc/rust-helloworld"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ethanwc/rust-helloworld'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ethanwc/rust-helloworld" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ethanwc/rust-helloworld"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ethanwc/rust-helloworld'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 912c4853af51554d6e6b755daf52685a825ac079
[INFO] sha for GitHub repo ethanwc/rust-helloworld: 912c4853af51554d6e6b755daf52685a825ac079
[INFO] validating manifest of ethanwc/rust-helloworld 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 ethanwc/rust-helloworld 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 ethanwc/rust-helloworld
[INFO] finished frobbing ethanwc/rust-helloworld
[INFO] frobbed toml for ethanwc/rust-helloworld written to work/ex/beta-1.38-1/sources/1.37.0/gh/ethanwc/rust-helloworld/Cargo.toml
[INFO] started frobbing ethanwc/rust-helloworld
[INFO] finished frobbing ethanwc/rust-helloworld
[INFO] frobbed toml for ethanwc/rust-helloworld written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ethanwc/rust-helloworld/Cargo.toml
[INFO] crate ethanwc/rust-helloworld 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing ethanwc/rust-helloworld 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ethanwc/rust-helloworld:/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] ffba60eefd823d31498d9e28a8ca19df78652bb1e4d70bfc305dbf615130f49b
[INFO] running `"docker" "start" "-a" "ffba60eefd823d31498d9e28a8ca19df78652bb1e4d70bfc305dbf615130f49b"`
[INFO] [stderr]    Compiling helloworld v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `"docker" "inspect" "ffba60eefd823d31498d9e28a8ca19df78652bb1e4d70bfc305dbf615130f49b"`
[INFO] running `"docker" "rm" "-f" "ffba60eefd823d31498d9e28a8ca19df78652bb1e4d70bfc305dbf615130f49b"`
[INFO] [stdout] ffba60eefd823d31498d9e28a8ca19df78652bb1e4d70bfc305dbf615130f49b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ethanwc/rust-helloworld:/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] 0524f7674a4112e20a5b456ddc172f4f216a91cafbe868da02703f581f4fea72
[INFO] running `"docker" "start" "-a" "0524f7674a4112e20a5b456ddc172f4f216a91cafbe868da02703f581f4fea72"`
[INFO] [stderr]    Compiling helloworld v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `"docker" "inspect" "0524f7674a4112e20a5b456ddc172f4f216a91cafbe868da02703f581f4fea72"`
[INFO] running `"docker" "rm" "-f" "0524f7674a4112e20a5b456ddc172f4f216a91cafbe868da02703f581f4fea72"`
[INFO] [stdout] 0524f7674a4112e20a5b456ddc172f4f216a91cafbe868da02703f581f4fea72
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ethanwc/rust-helloworld:/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] 5ffd974fcbae195d4b0820719469cabd6292706c27bb409bfb2ca1dcd9cfcb09
[INFO] running `"docker" "start" "-a" "5ffd974fcbae195d4b0820719469cabd6292706c27bb409bfb2ca1dcd9cfcb09"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/helloworld-75174bf426ed533f
[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" "5ffd974fcbae195d4b0820719469cabd6292706c27bb409bfb2ca1dcd9cfcb09"`
[INFO] running `"docker" "rm" "-f" "5ffd974fcbae195d4b0820719469cabd6292706c27bb409bfb2ca1dcd9cfcb09"`
[INFO] [stdout] 5ffd974fcbae195d4b0820719469cabd6292706c27bb409bfb2ca1dcd9cfcb09