[INFO] updating cached repository mlewis2014/Rust-basics
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mlewis2014/Rust-basics
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mlewis2014/Rust-basics" "work/ex/beta-1.38-1/sources/1.37.0/gh/mlewis2014/Rust-basics"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mlewis2014/Rust-basics'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mlewis2014/Rust-basics" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mlewis2014/Rust-basics"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mlewis2014/Rust-basics'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 11b2cea3d79e0261d74dbc15fb00b7cfd741ca6b
[INFO] sha for GitHub repo mlewis2014/Rust-basics: 11b2cea3d79e0261d74dbc15fb00b7cfd741ca6b
[INFO] validating manifest of mlewis2014/Rust-basics 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 mlewis2014/Rust-basics 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 mlewis2014/Rust-basics
[INFO] finished frobbing mlewis2014/Rust-basics
[INFO] frobbed toml for mlewis2014/Rust-basics written to work/ex/beta-1.38-1/sources/1.37.0/gh/mlewis2014/Rust-basics/Cargo.toml
[INFO] started frobbing mlewis2014/Rust-basics
[INFO] finished frobbing mlewis2014/Rust-basics
[INFO] frobbed toml for mlewis2014/Rust-basics written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mlewis2014/Rust-basics/Cargo.toml
[INFO] crate mlewis2014/Rust-basics 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 mlewis2014/Rust-basics 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mlewis2014/Rust-basics:/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] 537257c60d4659742c90a6e6b83d3ab799187231d4dc378a2b45c992e6d53bef
[INFO] running `"docker" "start" "-a" "537257c60d4659742c90a6e6b83d3ab799187231d4dc378a2b45c992e6d53bef"`
[INFO] [stderr]    Compiling hello_cargo v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `"docker" "inspect" "537257c60d4659742c90a6e6b83d3ab799187231d4dc378a2b45c992e6d53bef"`
[INFO] running `"docker" "rm" "-f" "537257c60d4659742c90a6e6b83d3ab799187231d4dc378a2b45c992e6d53bef"`
[INFO] [stdout] 537257c60d4659742c90a6e6b83d3ab799187231d4dc378a2b45c992e6d53bef
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mlewis2014/Rust-basics:/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] 14e88bea377cdc887dc574015602d10720100b261634bcaec327febcc1f3d3e1
[INFO] running `"docker" "start" "-a" "14e88bea377cdc887dc574015602d10720100b261634bcaec327febcc1f3d3e1"`
[INFO] [stderr]    Compiling hello_cargo v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "14e88bea377cdc887dc574015602d10720100b261634bcaec327febcc1f3d3e1"`
[INFO] running `"docker" "rm" "-f" "14e88bea377cdc887dc574015602d10720100b261634bcaec327febcc1f3d3e1"`
[INFO] [stdout] 14e88bea377cdc887dc574015602d10720100b261634bcaec327febcc1f3d3e1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mlewis2014/Rust-basics:/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] f94f556cc705dcf4d50f9835987791883c7f989aaf94ea612e10c2befbebb3b2
[INFO] running `"docker" "start" "-a" "f94f556cc705dcf4d50f9835987791883c7f989aaf94ea612e10c2befbebb3b2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hello_cargo-03084a90e557edb8
[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" "f94f556cc705dcf4d50f9835987791883c7f989aaf94ea612e10c2befbebb3b2"`
[INFO] running `"docker" "rm" "-f" "f94f556cc705dcf4d50f9835987791883c7f989aaf94ea612e10c2befbebb3b2"`
[INFO] [stdout] f94f556cc705dcf4d50f9835987791883c7f989aaf94ea612e10c2befbebb3b2