[INFO] crate mongodb-helper 0.1.2 is already in cache
[INFO] extracting crate mongodb-helper 0.1.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/mongodb-helper/0.1.2
[INFO] extracting crate mongodb-helper 0.1.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mongodb-helper/0.1.2
[INFO] validating manifest of mongodb-helper-0.1.2 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 mongodb-helper-0.1.2 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 mongodb-helper-0.1.2
[INFO] finished frobbing mongodb-helper-0.1.2
[INFO] frobbed toml for mongodb-helper-0.1.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/mongodb-helper/0.1.2/Cargo.toml
[INFO] started frobbing mongodb-helper-0.1.2
[INFO] finished frobbing mongodb-helper-0.1.2
[INFO] frobbed toml for mongodb-helper-0.1.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mongodb-helper/0.1.2/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing mongodb-helper-0.1.2 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/mongodb-helper/0.1.2:/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] 867418a13d40df2dd19a95c9a30354ff63ae6e8c099bf69ddaca94a78661b9aa
[INFO] running `"docker" "start" "-a" "867418a13d40df2dd19a95c9a30354ff63ae6e8c099bf69ddaca94a78661b9aa"`
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling sha-1 v0.7.0
[INFO] [stderr]    Compiling md-5 v0.7.0
[INFO] [stderr]    Compiling textnonce v0.6.5
[INFO] [stderr]    Compiling pbkdf2 v0.2.3
[INFO] [stderr]    Compiling r2d2 v0.8.5
[INFO] [stderr]    Compiling bson v0.13.0
[INFO] [stderr]    Compiling mongodb v0.3.12
[INFO] [stderr]    Compiling r2d2-mongodb v0.2.2
[INFO] [stderr]    Compiling mongodb-helper v0.1.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.61s
[INFO] running `"docker" "inspect" "867418a13d40df2dd19a95c9a30354ff63ae6e8c099bf69ddaca94a78661b9aa"`
[INFO] running `"docker" "rm" "-f" "867418a13d40df2dd19a95c9a30354ff63ae6e8c099bf69ddaca94a78661b9aa"`
[INFO] [stdout] 867418a13d40df2dd19a95c9a30354ff63ae6e8c099bf69ddaca94a78661b9aa
[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/mongodb-helper/0.1.2:/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] ba3364d98217bb09ea945248f6b0a1227282779ae9986c68ca4a0f3ca71f53af
[INFO] running `"docker" "start" "-a" "ba3364d98217bb09ea945248f6b0a1227282779ae9986c68ca4a0f3ca71f53af"`
[INFO] [stderr]    Compiling mongodb-helper v0.1.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.54s
[INFO] running `"docker" "inspect" "ba3364d98217bb09ea945248f6b0a1227282779ae9986c68ca4a0f3ca71f53af"`
[INFO] running `"docker" "rm" "-f" "ba3364d98217bb09ea945248f6b0a1227282779ae9986c68ca4a0f3ca71f53af"`
[INFO] [stdout] ba3364d98217bb09ea945248f6b0a1227282779ae9986c68ca4a0f3ca71f53af
[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/mongodb-helper/0.1.2:/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] 1e3f1e0b61e2782f7ac8395b7579f64a59d0f77f937975c34dca4aa2ae3c485b
[INFO] running `"docker" "start" "-a" "1e3f1e0b61e2782f7ac8395b7579f64a59d0f77f937975c34dca4aa2ae3c485b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mongodb_helper-8f60b516113345de
[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 mongodb-helper
[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" "1e3f1e0b61e2782f7ac8395b7579f64a59d0f77f937975c34dca4aa2ae3c485b"`
[INFO] running `"docker" "rm" "-f" "1e3f1e0b61e2782f7ac8395b7579f64a59d0f77f937975c34dca4aa2ae3c485b"`
[INFO] [stdout] 1e3f1e0b61e2782f7ac8395b7579f64a59d0f77f937975c34dca4aa2ae3c485b