[INFO] fetching crate monger 0.9.0...
[INFO] checking monger-0.9.0 against beta-2019-10-27 for pr-65897
[INFO] extracting crate monger 0.9.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate monger 0.9.0 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 crates.io crate monger 0.9.0
[INFO] finished tweaking crates.io crate monger 0.9.0
[INFO] tweaked toml for crates.io crate monger 0.9.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate monger 0.9.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 018d708fddcb94c33c761f883f4936d8727c9502eac8a8f92eda85ad66fcfa3c
[INFO] running `"docker" "start" "-a" "018d708fddcb94c33c761f883f4936d8727c9502eac8a8f92eda85ad66fcfa3c"`
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]    Compiling hyperx v0.15.2
[INFO] [stderr]     Checking rs-release v0.1.7
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]     Checking encoding_rs v0.8.20
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking flate2 v1.0.12
[INFO] [stderr]     Checking backtrace v0.3.38
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking ct-logs v0.6.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.16
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]     Checking tendril v0.4.1
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking error-chain v0.12.1
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking publicsuffix v1.5.3
[INFO] [stderr]     Checking tokio-reactor v0.1.10
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking tokio-rustls v0.10.2
[INFO] [stderr]    Compiling string_cache v0.7.4
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling synstructure v0.12.1
[INFO] [stderr]     Checking hyper-rustls v0.17.1
[INFO] [stderr]    Compiling html5ever v0.22.3
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling err-derive v0.1.6
[INFO] [stderr]     Checking serde v1.0.101
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking reqwest v0.9.21
[INFO] [stderr]    Compiling markup5ever v0.7.5
[INFO] [stderr]     Checking soup v0.4.1
[INFO] [stderr]     Checking monger-core v0.9.0
[INFO] [stderr]     Checking monger v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 30s
[INFO] running `"docker" "inspect" "018d708fddcb94c33c761f883f4936d8727c9502eac8a8f92eda85ad66fcfa3c"`
[INFO] running `"docker" "rm" "-f" "018d708fddcb94c33c761f883f4936d8727c9502eac8a8f92eda85ad66fcfa3c"`
[INFO] [stdout] 018d708fddcb94c33c761f883f4936d8727c9502eac8a8f92eda85ad66fcfa3c