[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-1.38-1/sources/1.37.0/gh/museun/debug_iterator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/museun/debug_iterator'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/museun/debug_iterator" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/museun/debug_iterator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of museun/debug_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 museun/debug_iterator
[INFO] finished frobbing museun/debug_iterator
[INFO] frobbed toml for museun/debug_iterator written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "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 museun/debug_iterator 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-1/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/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] e3d9517b300f3185b142ae931a17533d025c2f0e4833eed5621ac2ae8461d7b2
[INFO] running `"docker" "start" "-a" "e3d9517b300f3185b142ae931a17533d025c2f0e4833eed5621ac2ae8461d7b2"`
[INFO] [stderr]    Compiling debug_iterator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `"docker" "inspect" "e3d9517b300f3185b142ae931a17533d025c2f0e4833eed5621ac2ae8461d7b2"`
[INFO] running `"docker" "rm" "-f" "e3d9517b300f3185b142ae931a17533d025c2f0e4833eed5621ac2ae8461d7b2"`
[INFO] [stdout] e3d9517b300f3185b142ae931a17533d025c2f0e4833eed5621ac2ae8461d7b2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] e3dc2ccacf47e8d010d9ab74aa96317641d0d150b1bc2890ae51e3eb5ac31f47
[INFO] running `"docker" "start" "-a" "e3dc2ccacf47e8d010d9ab74aa96317641d0d150b1bc2890ae51e3eb5ac31f47"`
[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 2.77s
[INFO] running `"docker" "inspect" "e3dc2ccacf47e8d010d9ab74aa96317641d0d150b1bc2890ae51e3eb5ac31f47"`
[INFO] running `"docker" "rm" "-f" "e3dc2ccacf47e8d010d9ab74aa96317641d0d150b1bc2890ae51e3eb5ac31f47"`
[INFO] [stdout] e3dc2ccacf47e8d010d9ab74aa96317641d0d150b1bc2890ae51e3eb5ac31f47
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] cc4813e18d410c97ad62a465da0604572e16d381f2297ce82b51bfc34f9432c8
[INFO] running `"docker" "start" "-a" "cc4813e18d410c97ad62a465da0604572e16d381f2297ce82b51bfc34f9432c8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/debug_iterator-2ff71a8a05caf5ba
[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" "cc4813e18d410c97ad62a465da0604572e16d381f2297ce82b51bfc34f9432c8"`
[INFO] running `"docker" "rm" "-f" "cc4813e18d410c97ad62a465da0604572e16d381f2297ce82b51bfc34f9432c8"`
[INFO] [stdout] cc4813e18d410c97ad62a465da0604572e16d381f2297ce82b51bfc34f9432c8