[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 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 3eeb7f98a1d0af18cefe7d7ec28835d326fe19eb82a952c7fbc04b777315d265
[INFO] running `"docker" "start" "-a" "3eeb7f98a1d0af18cefe7d7ec28835d326fe19eb82a952c7fbc04b777315d265"`
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]    Compiling try_from v0.2.2
[INFO] [stderr]    Compiling data-encoding v2.1.1
[INFO] [stderr]    Compiling separator v0.3.1
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling regex-syntax v0.6.3
[INFO] [stderr]    Compiling semver v0.8.0
[INFO] [stderr]    Compiling hostname v0.1.5
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]    Compiling serde_json v1.0.33
[INFO] [stderr]    Compiling crypto-mac v0.6.2
[INFO] [stderr]    Compiling md-5 v0.7.0
[INFO] [stderr]    Compiling sha-1 v0.7.0
[INFO] [stderr]    Compiling hmac v0.6.3
[INFO] [stderr]    Compiling textnonce v0.6.4
[INFO] [stderr]    Compiling pbkdf2 v0.2.3
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling bson v0.13.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling docopt v1.0.2
[INFO] [stderr]    Compiling scan_fmt v0.1.3
[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 1m 13s
[INFO] running `"docker" "inspect" "3eeb7f98a1d0af18cefe7d7ec28835d326fe19eb82a952c7fbc04b777315d265"`
[INFO] running `"docker" "rm" "-f" "3eeb7f98a1d0af18cefe7d7ec28835d326fe19eb82a952c7fbc04b777315d265"`
[INFO] [stdout] 3eeb7f98a1d0af18cefe7d7ec28835d326fe19eb82a952c7fbc04b777315d265
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] dfe8e16ad28add4907e6842ed42eb8ab5859fea28c3c1a54f7d527af52b72f47
[INFO] running `"docker" "start" "-a" "dfe8e16ad28add4907e6842ed42eb8ab5859fea28c3c1a54f7d527af52b72f47"`
[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 1.43s
[INFO] running `"docker" "inspect" "dfe8e16ad28add4907e6842ed42eb8ab5859fea28c3c1a54f7d527af52b72f47"`
[INFO] running `"docker" "rm" "-f" "dfe8e16ad28add4907e6842ed42eb8ab5859fea28c3c1a54f7d527af52b72f47"`
[INFO] [stdout] dfe8e16ad28add4907e6842ed42eb8ab5859fea28c3c1a54f7d527af52b72f47
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] f7fe8d685f6d18b4acbaa421e0d7f8f07657fc26755b69da3110c1b848db717d
[INFO] running `"docker" "start" "-a" "f7fe8d685f6d18b4acbaa421e0d7f8f07657fc26755b69da3110c1b848db717d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rup-71889cf0c3e37999
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rup-53deac958b78d8f5
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests rup
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 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] [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" "f7fe8d685f6d18b4acbaa421e0d7f8f07657fc26755b69da3110c1b848db717d"`
[INFO] running `"docker" "rm" "-f" "f7fe8d685f6d18b4acbaa421e0d7f8f07657fc26755b69da3110c1b848db717d"`
[INFO] [stdout] f7fe8d685f6d18b4acbaa421e0d7f8f07657fc26755b69da3110c1b848db717d