[INFO] updating cached repository https://github.com/Tembocs/rup_mongodb
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ce5bee4d4e9cd15d3b34a10afaffc875ab6ed5a1
[INFO] testing Tembocs/rup_mongodb against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FTembocs%2Frup_mongodb" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Tembocs/rup_mongodb on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Tembocs/rup_mongodb
[INFO] finished tweaking git repo https://github.com/Tembocs/rup_mongodb
[INFO] tweaked toml for git repo https://github.com/Tembocs/rup_mongodb written to work/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Tembocs/rup_mongodb already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 044f4cd69d4c628def1efe977383c43833382fe22ac3a04a5771d69a65b7408d
[INFO] running `"docker" "start" "-a" "044f4cd69d4c628def1efe977383c43833382fe22ac3a04a5771d69a65b7408d"`
[INFO] [stderr]    Compiling serde v1.0.80
[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 v0.6.3
[INFO] [stderr]    Compiling semver v0.8.0
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]    Compiling hostname v0.1.5
[INFO] [stderr]    Compiling syn v0.15.22
[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 aho-corasick v0.6.9
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling pbkdf2 v0.2.3
[INFO] [stderr]    Compiling scan_fmt v0.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling serde_json v1.0.33
[INFO] [stderr]    Compiling bson v0.13.0
[INFO] [stderr]    Compiling textnonce v0.6.4
[INFO] [stderr]    Compiling docopt v1.0.2
[INFO] [stderr]    Compiling mongodb v0.3.12
[INFO] [stderr]    Compiling rup v0.1.0 (/opt/rustwide/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 07s
[INFO] running `"docker" "inspect" "044f4cd69d4c628def1efe977383c43833382fe22ac3a04a5771d69a65b7408d"`
[INFO] running `"docker" "rm" "-f" "044f4cd69d4c628def1efe977383c43833382fe22ac3a04a5771d69a65b7408d"`
[INFO] [stdout] 044f4cd69d4c628def1efe977383c43833382fe22ac3a04a5771d69a65b7408d
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1fee1e6e9bb6a77e8f4cec7809943efae4740d7909f01f87920afb497581c508
[INFO] running `"docker" "start" "-a" "1fee1e6e9bb6a77e8f4cec7809943efae4740d7909f01f87920afb497581c508"`
[INFO] [stderr]    Compiling rup v0.1.0 (/opt/rustwide/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 2.97s
[INFO] running `"docker" "inspect" "1fee1e6e9bb6a77e8f4cec7809943efae4740d7909f01f87920afb497581c508"`
[INFO] running `"docker" "rm" "-f" "1fee1e6e9bb6a77e8f4cec7809943efae4740d7909f01f87920afb497581c508"`
[INFO] [stdout] 1fee1e6e9bb6a77e8f4cec7809943efae4740d7909f01f87920afb497581c508
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] f3517afc7d07f0aea6efa4d92714604dda9f6be18068a8f919844567ef3a317b
[INFO] running `"docker" "start" "-a" "f3517afc7d07f0aea6efa4d92714604dda9f6be18068a8f919844567ef3a317b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rup-cca1ff3eb96c22f4
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rup-c8708cdaa2cc4b45
[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] [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" "f3517afc7d07f0aea6efa4d92714604dda9f6be18068a8f919844567ef3a317b"`
[INFO] running `"docker" "rm" "-f" "f3517afc7d07f0aea6efa4d92714604dda9f6be18068a8f919844567ef3a317b"`
[INFO] [stdout] f3517afc7d07f0aea6efa4d92714604dda9f6be18068a8f919844567ef3a317b