[INFO] updating cached repository jeffreylyg/RustByExample
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jeffreylyg/RustByExample
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jeffreylyg/RustByExample" "work/ex/beta-1.38-1/sources/1.37.0/gh/jeffreylyg/RustByExample"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jeffreylyg/RustByExample'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jeffreylyg/RustByExample" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jeffreylyg/RustByExample"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jeffreylyg/RustByExample'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 32d38df69cd323aaa7b7240d55c0a093ac6f37c6
[INFO] sha for GitHub repo jeffreylyg/RustByExample: 32d38df69cd323aaa7b7240d55c0a093ac6f37c6
[INFO] validating manifest of jeffreylyg/RustByExample 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 jeffreylyg/RustByExample 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 jeffreylyg/RustByExample
[INFO] finished frobbing jeffreylyg/RustByExample
[INFO] frobbed toml for jeffreylyg/RustByExample written to work/ex/beta-1.38-1/sources/1.37.0/gh/jeffreylyg/RustByExample/Cargo.toml
[INFO] started frobbing jeffreylyg/RustByExample
[INFO] finished frobbing jeffreylyg/RustByExample
[INFO] frobbed toml for jeffreylyg/RustByExample written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jeffreylyg/RustByExample/Cargo.toml
[INFO] crate jeffreylyg/RustByExample 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 jeffreylyg/RustByExample 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/jeffreylyg/RustByExample:/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] 463c2b6263243b2468642cb3ba50e9d65fc4239117b7a01371a39f9432494bab
[INFO] running `"docker" "start" "-a" "463c2b6263243b2468642cb3ba50e9d65fc4239117b7a01371a39f9432494bab"`
[INFO] [stderr]    Compiling hello_world v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `"docker" "inspect" "463c2b6263243b2468642cb3ba50e9d65fc4239117b7a01371a39f9432494bab"`
[INFO] running `"docker" "rm" "-f" "463c2b6263243b2468642cb3ba50e9d65fc4239117b7a01371a39f9432494bab"`
[INFO] [stdout] 463c2b6263243b2468642cb3ba50e9d65fc4239117b7a01371a39f9432494bab
[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/jeffreylyg/RustByExample:/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] c359102163a67404dbd9438eaeaa1679c4941eb55834381b7ae722a01e71a2d3
[INFO] running `"docker" "start" "-a" "c359102163a67404dbd9438eaeaa1679c4941eb55834381b7ae722a01e71a2d3"`
[INFO] [stderr]    Compiling hello_world v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `"docker" "inspect" "c359102163a67404dbd9438eaeaa1679c4941eb55834381b7ae722a01e71a2d3"`
[INFO] running `"docker" "rm" "-f" "c359102163a67404dbd9438eaeaa1679c4941eb55834381b7ae722a01e71a2d3"`
[INFO] [stdout] c359102163a67404dbd9438eaeaa1679c4941eb55834381b7ae722a01e71a2d3
[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/jeffreylyg/RustByExample:/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] d7c04f5af98408128846cb2e6f2212912ec72f1a529c99d71b29c633e23c7baf
[INFO] running `"docker" "start" "-a" "d7c04f5af98408128846cb2e6f2212912ec72f1a529c99d71b29c633e23c7baf"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hello_world-f3509c269cd20c08
[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" "d7c04f5af98408128846cb2e6f2212912ec72f1a529c99d71b29c633e23c7baf"`
[INFO] running `"docker" "rm" "-f" "d7c04f5af98408128846cb2e6f2212912ec72f1a529c99d71b29c633e23c7baf"`
[INFO] [stdout] d7c04f5af98408128846cb2e6f2212912ec72f1a529c99d71b29c633e23c7baf