[INFO] updating cached repository america/Rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/america/Rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/america/Rust" "work/ex/beta-1.37-6/sources/1.36.0/gh/america/Rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/america/Rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/america/Rust" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/america/Rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/america/Rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c82aa5f013d19e7254fa6d07adb485d9ad2bf48b
[INFO] sha for GitHub repo america/Rust: c82aa5f013d19e7254fa6d07adb485d9ad2bf48b
[INFO] validating manifest of america/Rust on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of america/Rust on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing america/Rust
[INFO] finished frobbing america/Rust
[INFO] frobbed toml for america/Rust written to work/ex/beta-1.37-6/sources/1.36.0/gh/america/Rust/Cargo.toml
[INFO] started frobbing america/Rust
[INFO] finished frobbing america/Rust
[INFO] frobbed toml for america/Rust written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/america/Rust/Cargo.toml
[INFO] crate america/Rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing america/Rust against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/america/Rust:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] e2c78be993777ecd01421c4062b77287216e5c01edb203afbb56965433778d53
[INFO] running `"docker" "start" "-a" "e2c78be993777ecd01421c4062b77287216e5c01edb203afbb56965433778d53"`
[INFO] [stderr]    Compiling hello_world v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `"docker" "inspect" "e2c78be993777ecd01421c4062b77287216e5c01edb203afbb56965433778d53"`
[INFO] running `"docker" "rm" "-f" "e2c78be993777ecd01421c4062b77287216e5c01edb203afbb56965433778d53"`
[INFO] [stdout] e2c78be993777ecd01421c4062b77287216e5c01edb203afbb56965433778d53
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/america/Rust:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] c444b4d3562df5c98090c8875d2f4206eda96d9c60765b3b4c3d765c2017e7fd
[INFO] running `"docker" "start" "-a" "c444b4d3562df5c98090c8875d2f4206eda96d9c60765b3b4c3d765c2017e7fd"`
[INFO] [stderr]    Compiling hello_world v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `"docker" "inspect" "c444b4d3562df5c98090c8875d2f4206eda96d9c60765b3b4c3d765c2017e7fd"`
[INFO] running `"docker" "rm" "-f" "c444b4d3562df5c98090c8875d2f4206eda96d9c60765b3b4c3d765c2017e7fd"`
[INFO] [stdout] c444b4d3562df5c98090c8875d2f4206eda96d9c60765b3b4c3d765c2017e7fd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/america/Rust:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] e8ebd027d1f45398c4465a4d4588f7f8dea8a8ec37c43f2b3110ac97ae5af3ff
[INFO] running `"docker" "start" "-a" "e8ebd027d1f45398c4465a4d4588f7f8dea8a8ec37c43f2b3110ac97ae5af3ff"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hello_world-94ade99fef506815
[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" "e8ebd027d1f45398c4465a4d4588f7f8dea8a8ec37c43f2b3110ac97ae5af3ff"`
[INFO] running `"docker" "rm" "-f" "e8ebd027d1f45398c4465a4d4588f7f8dea8a8ec37c43f2b3110ac97ae5af3ff"`
[INFO] [stdout] e8ebd027d1f45398c4465a4d4588f7f8dea8a8ec37c43f2b3110ac97ae5af3ff