[INFO] updating cached repository cgibson/flux-rt
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cgibson/flux-rt
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cgibson/flux-rt" "work/ex/beta-1.38-1/sources/1.37.0/gh/cgibson/flux-rt"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/cgibson/flux-rt'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cgibson/flux-rt" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cgibson/flux-rt"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cgibson/flux-rt'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c2a18a1188a5f8233f20aba36f823d2d5540576f
[INFO] sha for GitHub repo cgibson/flux-rt: c2a18a1188a5f8233f20aba36f823d2d5540576f
[INFO] validating manifest of cgibson/flux-rt 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 cgibson/flux-rt 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 cgibson/flux-rt
[INFO] finished frobbing cgibson/flux-rt
[INFO] frobbed toml for cgibson/flux-rt written to work/ex/beta-1.38-1/sources/1.37.0/gh/cgibson/flux-rt/Cargo.toml
[INFO] started frobbing cgibson/flux-rt
[INFO] finished frobbing cgibson/flux-rt
[INFO] frobbed toml for cgibson/flux-rt written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cgibson/flux-rt/Cargo.toml
[INFO] crate cgibson/flux-rt 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 cgibson/flux-rt 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/cgibson/flux-rt:/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] 08b443b9db6d1c4d0df9c1f7a34f587b2c25c4207509bb08296553544f0fa491
[INFO] running `"docker" "start" "-a" "08b443b9db6d1c4d0df9c1f7a34f587b2c25c4207509bb08296553544f0fa491"`
[INFO] [stderr]    Compiling flux-rt v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `"docker" "inspect" "08b443b9db6d1c4d0df9c1f7a34f587b2c25c4207509bb08296553544f0fa491"`
[INFO] running `"docker" "rm" "-f" "08b443b9db6d1c4d0df9c1f7a34f587b2c25c4207509bb08296553544f0fa491"`
[INFO] [stdout] 08b443b9db6d1c4d0df9c1f7a34f587b2c25c4207509bb08296553544f0fa491
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/cgibson/flux-rt:/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] 60f6a1bd1009c1ec36c89c13375bee4dd52640070c9c6d5eb5859fca598ba60f
[INFO] running `"docker" "start" "-a" "60f6a1bd1009c1ec36c89c13375bee4dd52640070c9c6d5eb5859fca598ba60f"`
[INFO] [stderr]    Compiling flux-rt v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0583]: file not found for module `test_math`
[INFO] [stderr]  --> tests/mod.rs:1:9
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub mod test_math;
[INFO] [stderr]   |         ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: name the file either test_math.rs or test_math/mod.rs inside the directory "tests"
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0583`.
[INFO] [stderr] error: Could not compile `flux-rt`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0583]: file not found for module `test_math`
[INFO] [stderr]  --> tests/lib.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | mod test_math;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: name the file either test_math.rs or test_math/mod.rs inside the directory "tests"
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0583`.
[INFO] [stderr] error: Could not compile `flux-rt`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "60f6a1bd1009c1ec36c89c13375bee4dd52640070c9c6d5eb5859fca598ba60f"`
[INFO] running `"docker" "rm" "-f" "60f6a1bd1009c1ec36c89c13375bee4dd52640070c9c6d5eb5859fca598ba60f"`
[INFO] [stdout] 60f6a1bd1009c1ec36c89c13375bee4dd52640070c9c6d5eb5859fca598ba60f