[INFO] crate d-_-b 0.0.1 is already in cache
[INFO] extracting crate d-_-b 0.0.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/d-_-b/0.0.1
[INFO] extracting crate d-_-b 0.0.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/d-_-b/0.0.1
[INFO] validating manifest of d-_-b-0.0.1 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 d-_-b-0.0.1 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 d-_-b-0.0.1
[INFO] finished frobbing d-_-b-0.0.1
[INFO] frobbed toml for d-_-b-0.0.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/d-_-b/0.0.1/Cargo.toml
[INFO] started frobbing d-_-b-0.0.1
[INFO] finished frobbing d-_-b-0.0.1
[INFO] frobbed toml for d-_-b-0.0.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/d-_-b/0.0.1/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] [stderr]     Blocking waiting for file lock on package cache
[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] [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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing d-_-b-0.0.1 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-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/d-_-b/0.0.1:/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] d7db9d2e5b4ac8d66aca9bd4ec6606c500ddd069b02cd92277c4b6333a2140ef
[INFO] running `"docker" "start" "-a" "d7db9d2e5b4ac8d66aca9bd4ec6606c500ddd069b02cd92277c4b6333a2140ef"`
[INFO] [stderr]    Compiling d-_-b v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `"docker" "inspect" "d7db9d2e5b4ac8d66aca9bd4ec6606c500ddd069b02cd92277c4b6333a2140ef"`
[INFO] running `"docker" "rm" "-f" "d7db9d2e5b4ac8d66aca9bd4ec6606c500ddd069b02cd92277c4b6333a2140ef"`
[INFO] [stdout] d7db9d2e5b4ac8d66aca9bd4ec6606c500ddd069b02cd92277c4b6333a2140ef
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/d-_-b/0.0.1:/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] f79e3f68d016799beb54eca5b7260fb68f0653f5ebf122520deee196603336b5
[INFO] running `"docker" "start" "-a" "f79e3f68d016799beb54eca5b7260fb68f0653f5ebf122520deee196603336b5"`
[INFO] [stderr]    Compiling d-_-b v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `"docker" "inspect" "f79e3f68d016799beb54eca5b7260fb68f0653f5ebf122520deee196603336b5"`
[INFO] running `"docker" "rm" "-f" "f79e3f68d016799beb54eca5b7260fb68f0653f5ebf122520deee196603336b5"`
[INFO] [stdout] f79e3f68d016799beb54eca5b7260fb68f0653f5ebf122520deee196603336b5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/d-_-b/0.0.1:/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] 50f3a2f0159ab71750e59c6da6f67401866f2f6e8ad5a04a91b69620c89f4efd
[INFO] running `"docker" "start" "-a" "50f3a2f0159ab71750e59c6da6f67401866f2f6e8ad5a04a91b69620c89f4efd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/d___b-780705ad7c0b4aa5
[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 d-_-b
[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" "50f3a2f0159ab71750e59c6da6f67401866f2f6e8ad5a04a91b69620c89f4efd"`
[INFO] running `"docker" "rm" "-f" "50f3a2f0159ab71750e59c6da6f67401866f2f6e8ad5a04a91b69620c89f4efd"`
[INFO] [stdout] 50f3a2f0159ab71750e59c6da6f67401866f2f6e8ad5a04a91b69620c89f4efd