[INFO] crate flatset 0.0.0 is already in cache
[INFO] extracting crate flatset 0.0.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/flatset/0.0.0
[INFO] extracting crate flatset 0.0.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/flatset/0.0.0
[INFO] validating manifest of flatset-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 flatset-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 flatset-0.0.0
[INFO] finished frobbing flatset-0.0.0
[INFO] frobbed toml for flatset-0.0.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/flatset/0.0.0/Cargo.toml
[INFO] started frobbing flatset-0.0.0
[INFO] finished frobbing flatset-0.0.0
[INFO] frobbed toml for flatset-0.0.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/flatset/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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing flatset-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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/flatset/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] d4be23f988de93f7d1f1788bf12e45493af395b02cab46a2da1b6b3ff4453c06
[INFO] running `"docker" "start" "-a" "d4be23f988de93f7d1f1788bf12e45493af395b02cab46a2da1b6b3ff4453c06"`
[INFO] [stderr]    Compiling flatset v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `"docker" "inspect" "d4be23f988de93f7d1f1788bf12e45493af395b02cab46a2da1b6b3ff4453c06"`
[INFO] running `"docker" "rm" "-f" "d4be23f988de93f7d1f1788bf12e45493af395b02cab46a2da1b6b3ff4453c06"`
[INFO] [stdout] d4be23f988de93f7d1f1788bf12e45493af395b02cab46a2da1b6b3ff4453c06
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/flatset/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] 12e69ffedacce853ca28ae64ae1e967366dc5a6a77d4dda422664f2ea2a7067e
[INFO] running `"docker" "start" "-a" "12e69ffedacce853ca28ae64ae1e967366dc5a6a77d4dda422664f2ea2a7067e"`
[INFO] [stderr]    Compiling flatset v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `"docker" "inspect" "12e69ffedacce853ca28ae64ae1e967366dc5a6a77d4dda422664f2ea2a7067e"`
[INFO] running `"docker" "rm" "-f" "12e69ffedacce853ca28ae64ae1e967366dc5a6a77d4dda422664f2ea2a7067e"`
[INFO] [stdout] 12e69ffedacce853ca28ae64ae1e967366dc5a6a77d4dda422664f2ea2a7067e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/flatset/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] 6b1d2a00e719a2296183087d235c73052a67375a41b16e5867309287f26ffd57
[INFO] running `"docker" "start" "-a" "6b1d2a00e719a2296183087d235c73052a67375a41b16e5867309287f26ffd57"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/flatset-5a53b2067a7adaf3
[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 flatset
[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" "6b1d2a00e719a2296183087d235c73052a67375a41b16e5867309287f26ffd57"`
[INFO] running `"docker" "rm" "-f" "6b1d2a00e719a2296183087d235c73052a67375a41b16e5867309287f26ffd57"`
[INFO] [stdout] 6b1d2a00e719a2296183087d235c73052a67375a41b16e5867309287f26ffd57