[INFO] fetching crate buildkit-frontend 0.2.1...
[INFO] checking buildkit-frontend-0.2.1 against beta-2019-10-27 for pr-65897
[INFO] extracting crate buildkit-frontend 0.2.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate buildkit-frontend 0.2.1 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 buildkit-frontend 0.2.1
[INFO] finished tweaking crates.io crate buildkit-frontend 0.2.1
[INFO] tweaked toml for crates.io crate buildkit-frontend 0.2.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate buildkit-frontend 0.2.1 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] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] db80410744737706b3a68fea90c120280666deebc921bb05b00c87ddd5dc5620
[INFO] running `"docker" "start" "-a" "db80410744737706b3a68fea90c120280666deebc921bb05b00c87ddd5dc5620"`
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling multimap v0.4.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]     Checking tower-service v0.2.0
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-udp v0.1.5
[INFO] [stderr]     Checking http-connection v0.1.0
[INFO] [stderr]     Checking tower-layer v0.1.0
[INFO] [stderr]     Checking tower-request-modifier v0.1.0
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]     Checking tower-util v0.1.0
[INFO] [stderr]     Checking tower-http-util v0.1.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling codegen v0.1.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking runtime-raw v0.3.0-alpha.5
[INFO] [stderr]     Checking runtime-tokio v0.3.0-alpha.6
[INFO] [stderr]     Checking tower-hyper v0.1.1
[INFO] [stderr]    Compiling synstructure v0.12.1
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling async-trait v0.1.15
[INFO] [stderr]    Compiling runtime-attributes v0.3.0-alpha.6
[INFO] [stderr]     Checking runtime v0.3.0-alpha.7
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling prost-derive v0.5.0
[INFO] [stderr]    Compiling prost-build v0.5.0
[INFO] [stderr]    Compiling prost v0.5.0
[INFO] [stderr]    Compiling prost-types v0.5.0
[INFO] [stderr]     Checking tower-grpc v0.1.1
[INFO] [stderr]     Checking serde v1.0.101
[INFO] [stderr]    Compiling tower-grpc-build v0.1.0
[INFO] [stderr]    Compiling buildkit-proto v0.1.0
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking csv v1.1.1
[INFO] [stderr]     Checking buildkit-llb v0.1.0
[INFO] [stderr]     Checking buildkit-frontend v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 31s
[INFO] running `"docker" "inspect" "db80410744737706b3a68fea90c120280666deebc921bb05b00c87ddd5dc5620"`
[INFO] running `"docker" "rm" "-f" "db80410744737706b3a68fea90c120280666deebc921bb05b00c87ddd5dc5620"`
[INFO] [stdout] db80410744737706b3a68fea90c120280666deebc921bb05b00c87ddd5dc5620