[INFO] updating cached repository clemarescx/mongo_query_client
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/clemarescx/mongo_query_client
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/clemarescx/mongo_query_client" "work/ex/beta-1.38-1/sources/1.37.0/gh/clemarescx/mongo_query_client"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/clemarescx/mongo_query_client'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/clemarescx/mongo_query_client" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/clemarescx/mongo_query_client"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/clemarescx/mongo_query_client'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3496ee906a0be9120d2c8cf252446e7773bb5228
[INFO] sha for GitHub repo clemarescx/mongo_query_client: 3496ee906a0be9120d2c8cf252446e7773bb5228
[INFO] validating manifest of clemarescx/mongo_query_client 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 clemarescx/mongo_query_client 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 clemarescx/mongo_query_client
[INFO] finished frobbing clemarescx/mongo_query_client
[INFO] frobbed toml for clemarescx/mongo_query_client written to work/ex/beta-1.38-1/sources/1.37.0/gh/clemarescx/mongo_query_client/Cargo.toml
[INFO] started frobbing clemarescx/mongo_query_client
[INFO] finished frobbing clemarescx/mongo_query_client
[INFO] frobbed toml for clemarescx/mongo_query_client written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/clemarescx/mongo_query_client/Cargo.toml
[INFO] crate clemarescx/mongo_query_client 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 clemarescx/mongo_query_client 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/clemarescx/mongo_query_client:/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] 8b88d8f2beeddb2ad214d3401656e8d35b248c8078c42fcd03a674bb2bbec530
[INFO] running `"docker" "start" "-a" "8b88d8f2beeddb2ad214d3401656e8d35b248c8078c42fcd03a674bb2bbec530"`
[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 serde_json v1.0.33
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling md-5 v0.7.0
[INFO] [stderr]    Compiling textnonce v0.6.4
[INFO] [stderr]    Compiling pbkdf2 v0.2.3
[INFO] [stderr]    Compiling bson v0.13.0
[INFO] [stderr]    Compiling scan_fmt v0.1.3
[INFO] [stderr]    Compiling mongodb v0.3.12
[INFO] [stderr]    Compiling mongo_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `Bson`, `bson`, `doc`
[INFO] [stderr]  --> src/main.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 | use mongodb::{bson, doc, Bson, Client, ThreadedClient};
[INFO] [stderr]   |               ^^^^  ^^^  ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.21s
[INFO] running `"docker" "inspect" "8b88d8f2beeddb2ad214d3401656e8d35b248c8078c42fcd03a674bb2bbec530"`
[INFO] running `"docker" "rm" "-f" "8b88d8f2beeddb2ad214d3401656e8d35b248c8078c42fcd03a674bb2bbec530"`
[INFO] [stdout] 8b88d8f2beeddb2ad214d3401656e8d35b248c8078c42fcd03a674bb2bbec530
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/clemarescx/mongo_query_client:/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] ab120f8bc6d587f80bc04c06a0f9ce5f85ab252228e709a0b882d300b4c3b0e8
[INFO] running `"docker" "start" "-a" "ab120f8bc6d587f80bc04c06a0f9ce5f85ab252228e709a0b882d300b4c3b0e8"`
[INFO] [stderr]    Compiling mongo_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `Bson`, `bson`, `doc`
[INFO] [stderr]  --> src/main.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 | use mongodb::{bson, doc, Bson, Client, ThreadedClient};
[INFO] [stderr]   |               ^^^^  ^^^  ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `"docker" "inspect" "ab120f8bc6d587f80bc04c06a0f9ce5f85ab252228e709a0b882d300b4c3b0e8"`
[INFO] running `"docker" "rm" "-f" "ab120f8bc6d587f80bc04c06a0f9ce5f85ab252228e709a0b882d300b4c3b0e8"`
[INFO] [stdout] ab120f8bc6d587f80bc04c06a0f9ce5f85ab252228e709a0b882d300b4c3b0e8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/clemarescx/mongo_query_client:/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] d1b10a710592e568a536e4eb5ce8cc22965eaa47ca615f3b7a48e1cef9c35971
[INFO] running `"docker" "start" "-a" "d1b10a710592e568a536e4eb5ce8cc22965eaa47ca615f3b7a48e1cef9c35971"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mongo_rust-a9209ab6c5096105
[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" "d1b10a710592e568a536e4eb5ce8cc22965eaa47ca615f3b7a48e1cef9c35971"`
[INFO] running `"docker" "rm" "-f" "d1b10a710592e568a536e4eb5ce8cc22965eaa47ca615f3b7a48e1cef9c35971"`
[INFO] [stdout] d1b10a710592e568a536e4eb5ce8cc22965eaa47ca615f3b7a48e1cef9c35971