[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/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/Tembocs/rup_mongodb"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/Tembocs/rup_mongodb'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Tembocs/rup_mongodb" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Tembocs/rup_mongodb"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/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 master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Tembocs/rup_mongodb on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "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/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/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/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/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" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Tembocs/rup_mongodb against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-0/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/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=forbid" "-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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 31c185e3b0045653494405f3518f30a7077a045f90b69fe63c20105565c8f91f
[INFO] running `"docker" "start" "-a" "31c185e3b0045653494405f3518f30a7077a045f90b69fe63c20105565c8f91f"`
[INFO] [stderr]     Checking serde_json v1.0.33
[INFO] [stderr]     Checking pbkdf2 v0.2.3
[INFO] [stderr]     Checking textnonce v0.6.4
[INFO] [stderr]     Checking scan_fmt v0.1.3
[INFO] [stderr]     Checking docopt v1.0.2
[INFO] [stderr]     Checking bson v0.13.0
[INFO] [stderr]     Checking mongodb v0.3.12
[INFO] [stderr]     Checking 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] 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 15.30s
[INFO] running `"docker" "inspect" "31c185e3b0045653494405f3518f30a7077a045f90b69fe63c20105565c8f91f"`
[INFO] running `"docker" "rm" "-f" "31c185e3b0045653494405f3518f30a7077a045f90b69fe63c20105565c8f91f"`
[INFO] [stdout] 31c185e3b0045653494405f3518f30a7077a045f90b69fe63c20105565c8f91f