[INFO] updating cached repository mathieu-anderson/rust_references
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mathieu-anderson/rust_references
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mathieu-anderson/rust_references" "work/ex/beta-1.38-1/sources/1.37.0/gh/mathieu-anderson/rust_references"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mathieu-anderson/rust_references'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mathieu-anderson/rust_references" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mathieu-anderson/rust_references"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mathieu-anderson/rust_references'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 33ccc96e56b35de8082d50f374ce1ae06befed38
[INFO] sha for GitHub repo mathieu-anderson/rust_references: 33ccc96e56b35de8082d50f374ce1ae06befed38
[INFO] validating manifest of mathieu-anderson/rust_references 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 mathieu-anderson/rust_references 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 mathieu-anderson/rust_references
[INFO] finished frobbing mathieu-anderson/rust_references
[INFO] frobbed toml for mathieu-anderson/rust_references written to work/ex/beta-1.38-1/sources/1.37.0/gh/mathieu-anderson/rust_references/Cargo.toml
[INFO] started frobbing mathieu-anderson/rust_references
[INFO] finished frobbing mathieu-anderson/rust_references
[INFO] frobbed toml for mathieu-anderson/rust_references written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mathieu-anderson/rust_references/Cargo.toml
[INFO] crate mathieu-anderson/rust_references 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 mathieu-anderson/rust_references 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-5/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/mathieu-anderson/rust_references:/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] 5b8bbbba00d7e005c1b832419947dc5fb53a654efb9c52e03183a965b1437ec7
[INFO] running `"docker" "start" "-a" "5b8bbbba00d7e005c1b832419947dc5fb53a654efb9c52e03183a965b1437ec7"`
[INFO] [stderr]    Compiling rust_references_and_borrowing v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `"docker" "inspect" "5b8bbbba00d7e005c1b832419947dc5fb53a654efb9c52e03183a965b1437ec7"`
[INFO] running `"docker" "rm" "-f" "5b8bbbba00d7e005c1b832419947dc5fb53a654efb9c52e03183a965b1437ec7"`
[INFO] [stdout] 5b8bbbba00d7e005c1b832419947dc5fb53a654efb9c52e03183a965b1437ec7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/mathieu-anderson/rust_references:/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] b8b43324d0649b65489de08f5eeab6b3dd4d4ce4dc739df9e94a03499d58f18e
[INFO] running `"docker" "start" "-a" "b8b43324d0649b65489de08f5eeab6b3dd4d4ce4dc739df9e94a03499d58f18e"`
[INFO] [stderr]    Compiling rust_references_and_borrowing v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "b8b43324d0649b65489de08f5eeab6b3dd4d4ce4dc739df9e94a03499d58f18e"`
[INFO] running `"docker" "rm" "-f" "b8b43324d0649b65489de08f5eeab6b3dd4d4ce4dc739df9e94a03499d58f18e"`
[INFO] [stdout] b8b43324d0649b65489de08f5eeab6b3dd4d4ce4dc739df9e94a03499d58f18e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/mathieu-anderson/rust_references:/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] e8b019e29301fe7ee25b01359a7ab63570de70c0fd9b79c7a024648e98bb4a7e
[INFO] running `"docker" "start" "-a" "e8b019e29301fe7ee25b01359a7ab63570de70c0fd9b79c7a024648e98bb4a7e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_references_and_borrowing-e63ba58c432a92ad
[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" "e8b019e29301fe7ee25b01359a7ab63570de70c0fd9b79c7a024648e98bb4a7e"`
[INFO] running `"docker" "rm" "-f" "e8b019e29301fe7ee25b01359a7ab63570de70c0fd9b79c7a024648e98bb4a7e"`
[INFO] [stdout] e8b019e29301fe7ee25b01359a7ab63570de70c0fd9b79c7a024648e98bb4a7e