[INFO] updating cached repository michaelperrygoodman/rust-hello-world
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/michaelperrygoodman/rust-hello-world
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/michaelperrygoodman/rust-hello-world" "work/ex/beta-1.38-1/sources/1.37.0/gh/michaelperrygoodman/rust-hello-world"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/michaelperrygoodman/rust-hello-world'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/michaelperrygoodman/rust-hello-world" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/michaelperrygoodman/rust-hello-world"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/michaelperrygoodman/rust-hello-world'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a802f1448fcc62cd0a0760826e6cf049a3396620
[INFO] sha for GitHub repo michaelperrygoodman/rust-hello-world: a802f1448fcc62cd0a0760826e6cf049a3396620
[INFO] validating manifest of michaelperrygoodman/rust-hello-world 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 michaelperrygoodman/rust-hello-world 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 michaelperrygoodman/rust-hello-world
[INFO] finished frobbing michaelperrygoodman/rust-hello-world
[INFO] frobbed toml for michaelperrygoodman/rust-hello-world written to work/ex/beta-1.38-1/sources/1.37.0/gh/michaelperrygoodman/rust-hello-world/Cargo.toml
[INFO] started frobbing michaelperrygoodman/rust-hello-world
[INFO] finished frobbing michaelperrygoodman/rust-hello-world
[INFO] frobbed toml for michaelperrygoodman/rust-hello-world written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/michaelperrygoodman/rust-hello-world/Cargo.toml
[INFO] crate michaelperrygoodman/rust-hello-world 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 michaelperrygoodman/rust-hello-world 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/michaelperrygoodman/rust-hello-world:/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] d532da7054d86f4b1b0599c710eac60d4fe63d7164cebef4d9a6610bfad57f47
[INFO] running `"docker" "start" "-a" "d532da7054d86f4b1b0599c710eac60d4fe63d7164cebef4d9a6610bfad57f47"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `"docker" "inspect" "d532da7054d86f4b1b0599c710eac60d4fe63d7164cebef4d9a6610bfad57f47"`
[INFO] running `"docker" "rm" "-f" "d532da7054d86f4b1b0599c710eac60d4fe63d7164cebef4d9a6610bfad57f47"`
[INFO] [stdout] d532da7054d86f4b1b0599c710eac60d4fe63d7164cebef4d9a6610bfad57f47
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/michaelperrygoodman/rust-hello-world:/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] 6bfe8700f04e8a04fe78acf7ba634a30bdb18c008c41d95a96b2986114c8487e
[INFO] running `"docker" "start" "-a" "6bfe8700f04e8a04fe78acf7ba634a30bdb18c008c41d95a96b2986114c8487e"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "6bfe8700f04e8a04fe78acf7ba634a30bdb18c008c41d95a96b2986114c8487e"`
[INFO] running `"docker" "rm" "-f" "6bfe8700f04e8a04fe78acf7ba634a30bdb18c008c41d95a96b2986114c8487e"`
[INFO] [stdout] 6bfe8700f04e8a04fe78acf7ba634a30bdb18c008c41d95a96b2986114c8487e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/michaelperrygoodman/rust-hello-world:/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] 7612626b2218207498c2581fae0b307488ea9f506c8498b783fd21c8ca6e7bf9
[INFO] running `"docker" "start" "-a" "7612626b2218207498c2581fae0b307488ea9f506c8498b783fd21c8ca6e7bf9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-1abf526732e20088
[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" "7612626b2218207498c2581fae0b307488ea9f506c8498b783fd21c8ca6e7bf9"`
[INFO] running `"docker" "rm" "-f" "7612626b2218207498c2581fae0b307488ea9f506c8498b783fd21c8ca6e7bf9"`
[INFO] [stdout] 7612626b2218207498c2581fae0b307488ea9f506c8498b783fd21c8ca6e7bf9