[INFO] crate rosen 0.0.0 is already in cache
[INFO] extracting crate rosen 0.0.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/rosen/0.0.0
[INFO] extracting crate rosen 0.0.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rosen/0.0.0
[INFO] validating manifest of rosen-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 rosen-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 rosen-0.0.0
[INFO] finished frobbing rosen-0.0.0
[INFO] frobbed toml for rosen-0.0.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/rosen/0.0.0/Cargo.toml
[INFO] started frobbing rosen-0.0.0
[INFO] finished frobbing rosen-0.0.0
[INFO] frobbed toml for rosen-0.0.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rosen/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] [stderr]     Blocking waiting for file lock on package cache
[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 rosen-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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rosen/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] 2591c9390e9d589cf95e20960e99cf0b71bf1471559d1b17369f7eb1ba4b4044
[INFO] running `"docker" "start" "-a" "2591c9390e9d589cf95e20960e99cf0b71bf1471559d1b17369f7eb1ba4b4044"`
[INFO] [stderr]    Compiling rosen v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `"docker" "inspect" "2591c9390e9d589cf95e20960e99cf0b71bf1471559d1b17369f7eb1ba4b4044"`
[INFO] running `"docker" "rm" "-f" "2591c9390e9d589cf95e20960e99cf0b71bf1471559d1b17369f7eb1ba4b4044"`
[INFO] [stdout] 2591c9390e9d589cf95e20960e99cf0b71bf1471559d1b17369f7eb1ba4b4044
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rosen/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] 695fb615bbe4d67e7ad0cc4771e5c96a1a695df856c6b1530e7c855d5b3b75a2
[INFO] running `"docker" "start" "-a" "695fb615bbe4d67e7ad0cc4771e5c96a1a695df856c6b1530e7c855d5b3b75a2"`
[INFO] [stderr]    Compiling rosen v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `"docker" "inspect" "695fb615bbe4d67e7ad0cc4771e5c96a1a695df856c6b1530e7c855d5b3b75a2"`
[INFO] running `"docker" "rm" "-f" "695fb615bbe4d67e7ad0cc4771e5c96a1a695df856c6b1530e7c855d5b3b75a2"`
[INFO] [stdout] 695fb615bbe4d67e7ad0cc4771e5c96a1a695df856c6b1530e7c855d5b3b75a2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rosen/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] e386340cab3d18c70ac2d734e55bc98c256f2f47bfdc277c5347c82d9b00973a
[INFO] running `"docker" "start" "-a" "e386340cab3d18c70ac2d734e55bc98c256f2f47bfdc277c5347c82d9b00973a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rosen-3d563e87d2c6e627
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests rosen
[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] [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" "e386340cab3d18c70ac2d734e55bc98c256f2f47bfdc277c5347c82d9b00973a"`
[INFO] running `"docker" "rm" "-f" "e386340cab3d18c70ac2d734e55bc98c256f2f47bfdc277c5347c82d9b00973a"`
[INFO] [stdout] e386340cab3d18c70ac2d734e55bc98c256f2f47bfdc277c5347c82d9b00973a