[INFO] crate buildkit-llb 0.1.2 is already in cache
[INFO] checking buildkit-llb-0.1.2 against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] extracting crate buildkit-llb 0.1.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate buildkit-llb 0.1.2 on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "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-8/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" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "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] 21974187dfcd5bc37fb64de338419b49c2a9d1b7294e47ca919a49b828bf8856
[INFO] running `"docker" "start" "-a" "21974187dfcd5bc37fb64de338419b49c2a9d1b7294e47ca919a49b828bf8856"`
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling multimap v0.4.0
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]    Compiling itertools v0.8.1
[INFO] [stderr]     Checking tower-service v0.2.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking tower-layer v0.1.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking tower-util v0.1.0
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]    Compiling codegen v0.1.1
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking serde_json v1.0.41
[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]    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 09s
[INFO] running `"docker" "inspect" "21974187dfcd5bc37fb64de338419b49c2a9d1b7294e47ca919a49b828bf8856"`
[INFO] running `"docker" "rm" "-f" "21974187dfcd5bc37fb64de338419b49c2a9d1b7294e47ca919a49b828bf8856"`
[INFO] [stdout] 21974187dfcd5bc37fb64de338419b49c2a9d1b7294e47ca919a49b828bf8856