[INFO] cloning repository https://github.com/tbo/rust-mongodb-queryserver
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tbo/rust-mongodb-queryserver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftbo%2Frust-mongodb-queryserver"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftbo%2Frust-mongodb-queryserver'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] aa16905ac40c5074d15f1418c6afe169c6fb2ffa
[INFO] checking tbo/rust-mongodb-queryserver against beta-2019-10-27 for pr-65897
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftbo%2Frust-mongodb-queryserver" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tbo/rust-mongodb-queryserver on toolchain beta-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/tbo/rust-mongodb-queryserver
[INFO] finished tweaking git repo https://github.com/tbo/rust-mongodb-queryserver
[INFO] tweaked toml for git repo https://github.com/tbo/rust-mongodb-queryserver written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/tbo/rust-mongodb-queryserver already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=allow" "-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-2019-10-27" "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] f6c6e3d3800dd1b0edf6b0bd6a9a54c06f396afa90470f1d81fd3e41fbf1fded
[INFO] running `"docker" "start" "-a" "f6c6e3d3800dd1b0edf6b0bd6a9a54c06f396afa90470f1d81fd3e41fbf1fded"`
[INFO] [stderr]     Checking scan_fmt v0.1.1
[INFO] [stderr]     Checking data-encoding v1.2.0
[INFO] [stderr]     Checking iovec v0.1.0
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking hostname v0.1.3
[INFO] [stderr]     Checking num_cpus v1.7.0
[INFO] [stderr]     Checking atty v0.2.3
[INFO] [stderr]     Checking net2 v0.2.31
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking relay v0.1.0
[INFO] [stderr]     Checking serde_json v1.0.5
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking bytes v0.4.5
[INFO] [stderr]     Checking clap v2.27.1
[INFO] [stderr]     Checking futures-cpupool v0.1.6
[INFO] [stderr]     Checking mio v0.6.10
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]     Checking tokio-io v0.1.3
[INFO] [stderr]     Checking textnonce v0.6.3
[INFO] [stderr]     Checking tokio-core v0.1.9
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]     Checking pretty_env_logger v0.1.1
[INFO] [stderr]     Checking bson v0.10.0
[INFO] [stderr]     Checking hyper v0.11.6
[INFO] [stderr]     Checking mongodb v0.3.7
[INFO] [stderr]     Checking queryserver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.51s
[INFO] running `"docker" "inspect" "f6c6e3d3800dd1b0edf6b0bd6a9a54c06f396afa90470f1d81fd3e41fbf1fded"`
[INFO] running `"docker" "rm" "-f" "f6c6e3d3800dd1b0edf6b0bd6a9a54c06f396afa90470f1d81fd3e41fbf1fded"`
[INFO] [stdout] f6c6e3d3800dd1b0edf6b0bd6a9a54c06f396afa90470f1d81fd3e41fbf1fded