[INFO] updating cached repository museun/debug_iterator
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/museun/debug_iterator
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/museun/debug_iterator" "work/ex/beta-1.37-6/sources/1.36.0/gh/museun/debug_iterator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/museun/debug_iterator'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/museun/debug_iterator" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/museun/debug_iterator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/museun/debug_iterator'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 48f0170ba306979ee6384c84a2a37db08d12ee0f
[INFO] sha for GitHub repo museun/debug_iterator: 48f0170ba306979ee6384c84a2a37db08d12ee0f
[INFO] validating manifest of museun/debug_iterator on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of museun/debug_iterator on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing museun/debug_iterator
[INFO] finished frobbing museun/debug_iterator
[INFO] frobbed toml for museun/debug_iterator written to work/ex/beta-1.37-6/sources/1.36.0/gh/museun/debug_iterator/Cargo.toml
[INFO] started frobbing museun/debug_iterator
[INFO] finished frobbing museun/debug_iterator
[INFO] frobbed toml for museun/debug_iterator written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/museun/debug_iterator/Cargo.toml
[INFO] crate museun/debug_iterator already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing museun/debug_iterator against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/museun/debug_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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 7fba99227f72000e524bba9a90f8ce3a23e180f79e64bf924b09d92b6a56237f
[INFO] running `"docker" "start" "-a" "7fba99227f72000e524bba9a90f8ce3a23e180f79e64bf924b09d92b6a56237f"`
[INFO] [stderr]    Compiling debug_iterator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `"docker" "inspect" "7fba99227f72000e524bba9a90f8ce3a23e180f79e64bf924b09d92b6a56237f"`
[INFO] running `"docker" "rm" "-f" "7fba99227f72000e524bba9a90f8ce3a23e180f79e64bf924b09d92b6a56237f"`
[INFO] [stdout] 7fba99227f72000e524bba9a90f8ce3a23e180f79e64bf924b09d92b6a56237f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/museun/debug_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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] a99ab48aa27dc665f943b4acfe90926cb8af90ee3b2835a939048fe65d613988
[INFO] running `"docker" "start" "-a" "a99ab48aa27dc665f943b4acfe90926cb8af90ee3b2835a939048fe65d613988"`
[INFO] [stderr]    Compiling env_logger v0.6.0
[INFO] [stderr]    Compiling debug_iterator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.85s
[INFO] running `"docker" "inspect" "a99ab48aa27dc665f943b4acfe90926cb8af90ee3b2835a939048fe65d613988"`
[INFO] running `"docker" "rm" "-f" "a99ab48aa27dc665f943b4acfe90926cb8af90ee3b2835a939048fe65d613988"`
[INFO] [stdout] a99ab48aa27dc665f943b4acfe90926cb8af90ee3b2835a939048fe65d613988
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/museun/debug_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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] eb336213732a4b0ea852214307f8ea446d2f6ce91a68e9238a7df3f5bc3398fc
[INFO] running `"docker" "start" "-a" "eb336213732a4b0ea852214307f8ea446d2f6ce91a68e9238a7df3f5bc3398fc"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/debug_iterator-848942c866b817bb
[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] [stderr]    Doc-tests debug_iterator
[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" "eb336213732a4b0ea852214307f8ea446d2f6ce91a68e9238a7df3f5bc3398fc"`
[INFO] running `"docker" "rm" "-f" "eb336213732a4b0ea852214307f8ea446d2f6ce91a68e9238a7df3f5bc3398fc"`
[INFO] [stdout] eb336213732a4b0ea852214307f8ea446d2f6ce91a68e9238a7df3f5bc3398fc