[INFO] fetching crate randrust 0.1.17...
[INFO] checking randrust-0.1.17 against beta-2019-10-27 for pr-65897
[INFO] extracting crate randrust 0.1.17 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate randrust 0.1.17 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 randrust 0.1.17
[INFO] finished tweaking crates.io crate randrust 0.1.17
[INFO] tweaked toml for crates.io crate randrust 0.1.17 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate randrust 0.1.17 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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stdout] 218b2fbfba4c53634c0f4201d851c73d8b9c1d092f3caf4b3db0ba05162260b7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "218b2fbfba4c53634c0f4201d851c73d8b9c1d092f3caf4b3db0ba05162260b7"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking tokio-threadpool v0.1.15
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]     Checking randrust v0.1.17 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.88s
[INFO] running `"docker" "inspect" "218b2fbfba4c53634c0f4201d851c73d8b9c1d092f3caf4b3db0ba05162260b7"`
[INFO] running `"docker" "rm" "-f" "218b2fbfba4c53634c0f4201d851c73d8b9c1d092f3caf4b3db0ba05162260b7"`
[INFO] [stdout] 218b2fbfba4c53634c0f4201d851c73d8b9c1d092f3caf4b3db0ba05162260b7