[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-1.38-1/sources/1.37.0/gh/america/Rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/america/Rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/america/Rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/america/Rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of america/Rust 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 america/Rust
[INFO] finished frobbing america/Rust
[INFO] frobbed toml for america/Rust written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "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 america/Rust against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] bf9d95d5ee7ad104b8a6dd94c4a20b835f79d0eae16d5e9e9e97f82e3f8961f9
[INFO] running `"docker" "start" "-a" "bf9d95d5ee7ad104b8a6dd94c4a20b835f79d0eae16d5e9e9e97f82e3f8961f9"`
[INFO] [stderr]    Compiling hello_world v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `"docker" "inspect" "bf9d95d5ee7ad104b8a6dd94c4a20b835f79d0eae16d5e9e9e97f82e3f8961f9"`
[INFO] running `"docker" "rm" "-f" "bf9d95d5ee7ad104b8a6dd94c4a20b835f79d0eae16d5e9e9e97f82e3f8961f9"`
[INFO] [stdout] bf9d95d5ee7ad104b8a6dd94c4a20b835f79d0eae16d5e9e9e97f82e3f8961f9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] d3dcbe3f9c8fa4be0516262e4668b33d4ae56d6aeffe3e0147b5c1bd3ee9e024
[INFO] running `"docker" "start" "-a" "d3dcbe3f9c8fa4be0516262e4668b33d4ae56d6aeffe3e0147b5c1bd3ee9e024"`
[INFO] [stderr]    Compiling hello_world v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `"docker" "inspect" "d3dcbe3f9c8fa4be0516262e4668b33d4ae56d6aeffe3e0147b5c1bd3ee9e024"`
[INFO] running `"docker" "rm" "-f" "d3dcbe3f9c8fa4be0516262e4668b33d4ae56d6aeffe3e0147b5c1bd3ee9e024"`
[INFO] [stdout] d3dcbe3f9c8fa4be0516262e4668b33d4ae56d6aeffe3e0147b5c1bd3ee9e024
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] ba0da6ce9b7e68b44387d56cb75b8918948ae608a52c3f19c97548fda61e70d2
[INFO] running `"docker" "start" "-a" "ba0da6ce9b7e68b44387d56cb75b8918948ae608a52c3f19c97548fda61e70d2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hello_world-da1d7ac21bb3a396
[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" "ba0da6ce9b7e68b44387d56cb75b8918948ae608a52c3f19c97548fda61e70d2"`
[INFO] running `"docker" "rm" "-f" "ba0da6ce9b7e68b44387d56cb75b8918948ae608a52c3f19c97548fda61e70d2"`
[INFO] [stdout] ba0da6ce9b7e68b44387d56cb75b8918948ae608a52c3f19c97548fda61e70d2