[INFO] fetching crate buildkit-llb 0.2.0...
[INFO] checking buildkit-llb-0.2.0 against try#89c05fd3cc6404a13e1bd71450c6132a2755fa4b for pr-69741
[INFO] extracting crate buildkit-llb 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate buildkit-llb 0.2.0 on toolchain 89c05fd3cc6404a13e1bd71450c6132a2755fa4b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+89c05fd3cc6404a13e1bd71450c6132a2755fa4b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate buildkit-llb 0.2.0
[INFO] finished tweaking crates.io crate buildkit-llb 0.2.0
[INFO] tweaked toml for crates.io crate buildkit-llb 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate buildkit-llb 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+89c05fd3cc6404a13e1bd71450c6132a2755fa4b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded buildkit-proto v0.2.0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+89c05fd3cc6404a13e1bd71450c6132a2755fa4b" "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] 13e763d5e3126f8298327764de0bd05618c40a26effba1e05eb5c77af9ab9c8b
[INFO] running `"docker" "start" "-a" "13e763d5e3126f8298327764de0bd05618c40a26effba1e05eb5c77af9ab9c8b"`
[INFO] [stderr]    Compiling anyhow v1.0.26
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]     Checking tower-layer v0.3.0
[INFO] [stderr]    Compiling bytes v0.5.4
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling multimap v0.8.0
[INFO] [stderr]     Checking tracing-core v0.1.10
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling which v3.1.0
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]    Compiling petgraph v0.5.0
[INFO] [stderr]     Checking tokio v0.2.13
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.7
[INFO] [stderr]    Compiling async-stream-impl v0.2.1
[INFO] [stderr]    Compiling async-trait v0.1.24
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]     Checking tower-discover v0.3.0
[INFO] [stderr]     Checking tower-util v0.3.0
[INFO] [stderr]     Checking tower-load-shed v0.3.0
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking tower-retry v0.3.0
[INFO] [stderr]     Checking tower-timeout v0.3.0
[INFO] [stderr]     Checking tower-make v0.3.0
[INFO] [stderr]     Checking tower-ready-cache v0.3.1
[INFO] [stderr]     Checking tower-limit v0.3.0
[INFO] [stderr]     Checking async-stream v0.2.1
[INFO] [stderr]     Checking tower-load v0.3.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]     Checking h2 v0.2.2
[INFO] [stderr]     Checking tracing v0.1.13
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking tower-buffer v0.3.0
[INFO] [stderr]     Checking tower-balance v0.3.0
[INFO] [stderr]     Checking tracing-futures v0.2.3
[INFO] [stderr]     Checking tower v0.3.1
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking hyper v0.13.3
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]     Checking prost-types v0.6.1
[INFO] [stderr]     Checking tonic v0.1.1
[INFO] [stderr]    Compiling tonic-build v0.1.1
[INFO] [stderr]    Compiling buildkit-proto v0.2.0
[INFO] [stderr]     Checking buildkit-llb v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 34s
[INFO] running `"docker" "inspect" "13e763d5e3126f8298327764de0bd05618c40a26effba1e05eb5c77af9ab9c8b"`
[INFO] running `"docker" "rm" "-f" "13e763d5e3126f8298327764de0bd05618c40a26effba1e05eb5c77af9ab9c8b"`
[INFO] [stdout] 13e763d5e3126f8298327764de0bd05618c40a26effba1e05eb5c77af9ab9c8b