[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 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 5383512a2086af441b7527d6e82760d17c43e92a3245263194e3957fcea2db02
[INFO] running `"docker" "start" "-a" "5383512a2086af441b7527d6e82760d17c43e92a3245263194e3957fcea2db02"`
[INFO] [stderr]    Compiling rust_references_and_borrowing v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `"docker" "inspect" "5383512a2086af441b7527d6e82760d17c43e92a3245263194e3957fcea2db02"`
[INFO] running `"docker" "rm" "-f" "5383512a2086af441b7527d6e82760d17c43e92a3245263194e3957fcea2db02"`
[INFO] [stdout] 5383512a2086af441b7527d6e82760d17c43e92a3245263194e3957fcea2db02
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9a54095f8a7c42834bc0990590bac0bf1a34295bd17b075af769e9dbc078c02c
[INFO] running `"docker" "start" "-a" "9a54095f8a7c42834bc0990590bac0bf1a34295bd17b075af769e9dbc078c02c"`
[INFO] [stderr]    Compiling rust_references_and_borrowing v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `"docker" "inspect" "9a54095f8a7c42834bc0990590bac0bf1a34295bd17b075af769e9dbc078c02c"`
[INFO] running `"docker" "rm" "-f" "9a54095f8a7c42834bc0990590bac0bf1a34295bd17b075af769e9dbc078c02c"`
[INFO] [stdout] 9a54095f8a7c42834bc0990590bac0bf1a34295bd17b075af769e9dbc078c02c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] c493021acb0e13137166f1335efee0af66bb767d24d834ceeef935b5159724a6
[INFO] running `"docker" "start" "-a" "c493021acb0e13137166f1335efee0af66bb767d24d834ceeef935b5159724a6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_references_and_borrowing-92399b950d0941ba
[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" "c493021acb0e13137166f1335efee0af66bb767d24d834ceeef935b5159724a6"`
[INFO] running `"docker" "rm" "-f" "c493021acb0e13137166f1335efee0af66bb767d24d834ceeef935b5159724a6"`
[INFO] [stdout] c493021acb0e13137166f1335efee0af66bb767d24d834ceeef935b5159724a6