[INFO] updating cached repository jmacdonald/reference-iterator
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jmacdonald/reference-iterator
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jmacdonald/reference-iterator" "work/ex/beta-1.38-1/sources/1.37.0/gh/jmacdonald/reference-iterator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jmacdonald/reference-iterator'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jmacdonald/reference-iterator" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jmacdonald/reference-iterator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jmacdonald/reference-iterator'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 453b31520657aa3cd6b54dd7d0aba9d27c63ffcd
[INFO] sha for GitHub repo jmacdonald/reference-iterator: 453b31520657aa3cd6b54dd7d0aba9d27c63ffcd
[INFO] validating manifest of jmacdonald/reference-iterator 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 jmacdonald/reference-iterator 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 jmacdonald/reference-iterator
[INFO] finished frobbing jmacdonald/reference-iterator
[INFO] frobbed toml for jmacdonald/reference-iterator written to work/ex/beta-1.38-1/sources/1.37.0/gh/jmacdonald/reference-iterator/Cargo.toml
[INFO] started frobbing jmacdonald/reference-iterator
[INFO] finished frobbing jmacdonald/reference-iterator
[INFO] frobbed toml for jmacdonald/reference-iterator written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jmacdonald/reference-iterator/Cargo.toml
[INFO] crate jmacdonald/reference-iterator 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 jmacdonald/reference-iterator 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jmacdonald/reference-iterator:/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] e8c338c6b25e7f2b1fa26660bd6c20800f0e43a43a44919d77229a73a082a030
[INFO] running `"docker" "start" "-a" "e8c338c6b25e7f2b1fa26660bd6c20800f0e43a43a44919d77229a73a082a030"`
[INFO] [stderr]    Compiling reference-iterator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `"docker" "inspect" "e8c338c6b25e7f2b1fa26660bd6c20800f0e43a43a44919d77229a73a082a030"`
[INFO] running `"docker" "rm" "-f" "e8c338c6b25e7f2b1fa26660bd6c20800f0e43a43a44919d77229a73a082a030"`
[INFO] [stdout] e8c338c6b25e7f2b1fa26660bd6c20800f0e43a43a44919d77229a73a082a030
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jmacdonald/reference-iterator:/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] df7ebfcd293dd9119a1429af8847bd9eb31f595d0441233d3b7d555526b75f9c
[INFO] running `"docker" "start" "-a" "df7ebfcd293dd9119a1429af8847bd9eb31f595d0441233d3b7d555526b75f9c"`
[INFO] [stderr]    Compiling reference-iterator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `"docker" "inspect" "df7ebfcd293dd9119a1429af8847bd9eb31f595d0441233d3b7d555526b75f9c"`
[INFO] running `"docker" "rm" "-f" "df7ebfcd293dd9119a1429af8847bd9eb31f595d0441233d3b7d555526b75f9c"`
[INFO] [stdout] df7ebfcd293dd9119a1429af8847bd9eb31f595d0441233d3b7d555526b75f9c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jmacdonald/reference-iterator:/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] 9d93f889ae476206f6db7779d5d597bed6556c58f047f15981d963e4a34eb76f
[INFO] running `"docker" "start" "-a" "9d93f889ae476206f6db7779d5d597bed6556c58f047f15981d963e4a34eb76f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/reference_iterator-e60533b5e9e19342
[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" "9d93f889ae476206f6db7779d5d597bed6556c58f047f15981d963e4a34eb76f"`
[INFO] running `"docker" "rm" "-f" "9d93f889ae476206f6db7779d5d597bed6556c58f047f15981d963e4a34eb76f"`
[INFO] [stdout] 9d93f889ae476206f6db7779d5d597bed6556c58f047f15981d963e4a34eb76f