[INFO] crate buildkit-llb 0.1.2 is already in cache
[INFO] checking buildkit-llb-0.1.2 against master#6250d56355d72264ece721e8d0dc95b16a6824b1 for pr-68350
[INFO] extracting crate buildkit-llb 0.1.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate buildkit-llb 0.1.2 on toolchain 6250d56355d72264ece721e8d0dc95b16a6824b1
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate buildkit-llb 0.1.2
[INFO] finished tweaking crates.io crate buildkit-llb 0.1.2
[INFO] tweaked toml for crates.io crate buildkit-llb 0.1.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate buildkit-llb 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "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] fdee78b2a9b72f3549978b093d0fd91fe82f5925da58bc05e6a8693702312773
[INFO] running `"docker" "start" "-a" "fdee78b2a9b72f3549978b093d0fd91fe82f5925da58bc05e6a8693702312773"`
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling multimap v0.4.0
[INFO] [stderr]    Compiling itertools v0.8.1
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]     Checking tower-service v0.2.0
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking tower-layer v0.1.0
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]     Checking http v0.1.19
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking tower-util v0.1.0
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]    Compiling codegen v0.1.1
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling prost-build v0.5.0
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling prost-derive v0.5.0
[INFO] [stderr]    Compiling prost v0.5.0
[INFO] [stderr]     Checking prost-types v0.5.0
[INFO] [stderr]     Checking tower-grpc v0.1.1
[INFO] [stderr]    Compiling tower-grpc-build v0.1.0
[INFO] [stderr]    Compiling buildkit-proto v0.1.0
[INFO] [stderr]     Checking buildkit-llb v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 13s
[INFO] running `"docker" "inspect" "fdee78b2a9b72f3549978b093d0fd91fe82f5925da58bc05e6a8693702312773"`
[INFO] running `"docker" "rm" "-f" "fdee78b2a9b72f3549978b093d0fd91fe82f5925da58bc05e6a8693702312773"`
[INFO] [stdout] fdee78b2a9b72f3549978b093d0fd91fe82f5925da58bc05e6a8693702312773