[INFO] updating cached repository https://github.com/clemarescx/mongo_query_client
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] 3496ee906a0be9120d2c8cf252446e7773bb5228
[INFO] checking clemarescx/mongo_query_client against master#6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257 for pr-70872
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclemarescx%2Fmongo_query_client" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/clemarescx/mongo_query_client on toolchain 6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/clemarescx/mongo_query_client
[INFO] finished tweaking git repo https://github.com/clemarescx/mongo_query_client
[INFO] tweaked toml for git repo https://github.com/clemarescx/mongo_query_client written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/clemarescx/mongo_query_client already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 27b73858986abec6e11b83f828371a6eb6ab5bb50181532e767b7e2e635a69de
[INFO] running `"docker" "start" "-a" "27b73858986abec6e11b83f828371a6eb6ab5bb50181532e767b7e2e635a69de"`
[INFO] [stderr]     Checking serde_json v1.0.33
[INFO] [stderr]     Checking scan_fmt v0.1.3
[INFO] [stderr]     Checking pbkdf2 v0.2.3
[INFO] [stderr]     Checking textnonce v0.6.4
[INFO] [stderr]     Checking bson v0.13.0
[INFO] [stderr]     Checking mongodb v0.3.12
[INFO] [stderr]     Checking mongo_rust v0.1.0 (/opt/rustwide/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] 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 18.04s
[INFO] running `"docker" "inspect" "27b73858986abec6e11b83f828371a6eb6ab5bb50181532e767b7e2e635a69de"`
[INFO] running `"docker" "rm" "-f" "27b73858986abec6e11b83f828371a6eb6ab5bb50181532e767b7e2e635a69de"`
[INFO] [stdout] 27b73858986abec6e11b83f828371a6eb6ab5bb50181532e767b7e2e635a69de