[INFO] updating cached repository Tembocs/rup_mongodb
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Tembocs/rup_mongodb
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Tembocs/rup_mongodb" "work/ex/beta-1.38-1/sources/1.37.0/gh/Tembocs/rup_mongodb"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Tembocs/rup_mongodb'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Tembocs/rup_mongodb" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Tembocs/rup_mongodb"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Tembocs/rup_mongodb'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ce5bee4d4e9cd15d3b34a10afaffc875ab6ed5a1
[INFO] sha for GitHub repo Tembocs/rup_mongodb: ce5bee4d4e9cd15d3b34a10afaffc875ab6ed5a1
[INFO] validating manifest of Tembocs/rup_mongodb 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 Tembocs/rup_mongodb 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 Tembocs/rup_mongodb
[INFO] finished frobbing Tembocs/rup_mongodb
[INFO] frobbed toml for Tembocs/rup_mongodb written to work/ex/beta-1.38-1/sources/1.37.0/gh/Tembocs/rup_mongodb/Cargo.toml
[INFO] started frobbing Tembocs/rup_mongodb
[INFO] finished frobbing Tembocs/rup_mongodb
[INFO] frobbed toml for Tembocs/rup_mongodb written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Tembocs/rup_mongodb/Cargo.toml
[INFO] crate Tembocs/rup_mongodb already has a lockfile, it will not be regenerated
[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 Tembocs/rup_mongodb 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-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Tembocs/rup_mongodb:/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] 80b0fe8144869a4b145e4d466e2dcf3f34ab9862e1a09dd32735214ae8848676
[INFO] running `"docker" "start" "-a" "80b0fe8144869a4b145e4d466e2dcf3f34ab9862e1a09dd32735214ae8848676"`
[INFO] [stderr]    Compiling arrayref v0.3.5
[INFO] [stderr]    Compiling byte-tools v0.2.0
[INFO] [stderr]    Compiling try_from v0.2.2
[INFO] [stderr]    Compiling separator v0.3.1
[INFO] [stderr]    Compiling semver v0.8.0
[INFO] [stderr]    Compiling hostname v0.1.5
[INFO] [stderr]    Compiling generic-array v0.9.0
[INFO] [stderr]    Compiling serde_json v1.0.33
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling block-buffer v0.3.3
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]    Compiling textnonce v0.6.4
[INFO] [stderr]    Compiling scan_fmt v0.1.3
[INFO] [stderr]    Compiling digest v0.7.6
[INFO] [stderr]    Compiling crypto-mac v0.6.2
[INFO] [stderr]    Compiling hmac v0.6.3
[INFO] [stderr]    Compiling sha2 v0.7.1
[INFO] [stderr]    Compiling md-5 v0.7.0
[INFO] [stderr]    Compiling sha-1 v0.7.0
[INFO] [stderr]    Compiling pbkdf2 v0.2.3
[INFO] [stderr]    Compiling bson v0.13.0
[INFO] [stderr]    Compiling docopt v1.0.2
[INFO] [stderr]    Compiling mongodb v0.3.12
[INFO] [stderr]    Compiling rup v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `update_document`
[INFO] [stderr]   --> src/crud.rs:24:19
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub fn update_one(update_document: Document, collection: &Collection) {
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_update_document`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `collection`
[INFO] [stderr]   --> src/crud.rs:24:46
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub fn update_one(update_document: Document, collection: &Collection) {
[INFO] [stderr]    |                                              ^^^^^^^^^^ help: consider prefixing with an underscore: `_collection`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.01s
[INFO] running `"docker" "inspect" "80b0fe8144869a4b145e4d466e2dcf3f34ab9862e1a09dd32735214ae8848676"`
[INFO] running `"docker" "rm" "-f" "80b0fe8144869a4b145e4d466e2dcf3f34ab9862e1a09dd32735214ae8848676"`
[INFO] [stdout] 80b0fe8144869a4b145e4d466e2dcf3f34ab9862e1a09dd32735214ae8848676
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Tembocs/rup_mongodb:/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] 5f516a69355b9c3372039c8ab426d851bead82ff2c2dd82e83cb129014677e14
[INFO] running `"docker" "start" "-a" "5f516a69355b9c3372039c8ab426d851bead82ff2c2dd82e83cb129014677e14"`
[INFO] [stderr]    Compiling rup v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `update_document`
[INFO] [stderr]   --> src/crud.rs:24:19
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub fn update_one(update_document: Document, collection: &Collection) {
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_update_document`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `collection`
[INFO] [stderr]   --> src/crud.rs:24:46
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub fn update_one(update_document: Document, collection: &Collection) {
[INFO] [stderr]    |                                              ^^^^^^^^^^ help: consider prefixing with an underscore: `_collection`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.24s
[INFO] running `"docker" "inspect" "5f516a69355b9c3372039c8ab426d851bead82ff2c2dd82e83cb129014677e14"`
[INFO] running `"docker" "rm" "-f" "5f516a69355b9c3372039c8ab426d851bead82ff2c2dd82e83cb129014677e14"`
[INFO] [stdout] 5f516a69355b9c3372039c8ab426d851bead82ff2c2dd82e83cb129014677e14
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Tembocs/rup_mongodb:/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] 58fd05bd40b4e810117002f8091eeac8a1c0647c5553b9d781594e2c72d69889
[INFO] running `"docker" "start" "-a" "58fd05bd40b4e810117002f8091eeac8a1c0647c5553b9d781594e2c72d69889"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rup-d421708bea492071
[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]      Running /opt/crater/target/debug/deps/rup-01d54c39c7c396c7
[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 rup
[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" "58fd05bd40b4e810117002f8091eeac8a1c0647c5553b9d781594e2c72d69889"`
[INFO] running `"docker" "rm" "-f" "58fd05bd40b4e810117002f8091eeac8a1c0647c5553b9d781594e2c72d69889"`
[INFO] [stdout] 58fd05bd40b4e810117002f8091eeac8a1c0647c5553b9d781594e2c72d69889