[INFO] crate iterator 0.0.0 is already in cache
[INFO] extracting crate iterator 0.0.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/iterator/0.0.0
[INFO] extracting crate iterator 0.0.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/iterator/0.0.0
[INFO] validating manifest of iterator-0.0.0 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 iterator-0.0.0 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 iterator-0.0.0
[INFO] finished frobbing iterator-0.0.0
[INFO] frobbed toml for iterator-0.0.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/iterator/0.0.0/Cargo.toml
[INFO] started frobbing iterator-0.0.0
[INFO] finished frobbing iterator-0.0.0
[INFO] frobbed toml for iterator-0.0.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/iterator/0.0.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing iterator-0.0.0 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/iterator/0.0.0:/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] aee53733d0641c0c93591b580f6574d15f8b673e84ee3a08eb6bb04a2137af93
[INFO] running `"docker" "start" "-a" "aee53733d0641c0c93591b580f6574d15f8b673e84ee3a08eb6bb04a2137af93"`
[INFO] [stderr]    Compiling iterator v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `"docker" "inspect" "aee53733d0641c0c93591b580f6574d15f8b673e84ee3a08eb6bb04a2137af93"`
[INFO] running `"docker" "rm" "-f" "aee53733d0641c0c93591b580f6574d15f8b673e84ee3a08eb6bb04a2137af93"`
[INFO] [stdout] aee53733d0641c0c93591b580f6574d15f8b673e84ee3a08eb6bb04a2137af93
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/iterator/0.0.0:/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] 6e51f20be537ff3a26548c9c90a3a1d1731d91fb6d638462b583bde7bd6790c2
[INFO] running `"docker" "start" "-a" "6e51f20be537ff3a26548c9c90a3a1d1731d91fb6d638462b583bde7bd6790c2"`
[INFO] [stderr]    Compiling iterator v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `"docker" "inspect" "6e51f20be537ff3a26548c9c90a3a1d1731d91fb6d638462b583bde7bd6790c2"`
[INFO] running `"docker" "rm" "-f" "6e51f20be537ff3a26548c9c90a3a1d1731d91fb6d638462b583bde7bd6790c2"`
[INFO] [stdout] 6e51f20be537ff3a26548c9c90a3a1d1731d91fb6d638462b583bde7bd6790c2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/iterator/0.0.0:/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] db70ff1ded1e12d1624136a1884bd44d3211d2ea2453dc7a7a2e646ad2813afd
[INFO] running `"docker" "start" "-a" "db70ff1ded1e12d1624136a1884bd44d3211d2ea2453dc7a7a2e646ad2813afd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/iterator-21f39d19e08ecc3e
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests 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" "db70ff1ded1e12d1624136a1884bd44d3211d2ea2453dc7a7a2e646ad2813afd"`
[INFO] running `"docker" "rm" "-f" "db70ff1ded1e12d1624136a1884bd44d3211d2ea2453dc7a7a2e646ad2813afd"`
[INFO] [stdout] db70ff1ded1e12d1624136a1884bd44d3211d2ea2453dc7a7a2e646ad2813afd