[INFO] fetching crate romy-engine 0.2.0...
[INFO] checking romy-engine-0.2.0 against master#ffa2e7ae8fbf9badc035740db949b9dae271c29f for pr-78338
[INFO] extracting crate romy-engine 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate romy-engine 0.2.0 on toolchain ffa2e7ae8fbf9badc035740db949b9dae271c29f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate romy-engine 0.2.0
[INFO] finished tweaking crates.io crate romy-engine 0.2.0
[INFO] tweaked toml for crates.io crate romy-engine 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 986af856b503c03df6bae78dd1236420c86dbb61460ae749a9e0430a67c07468
[INFO] running `Command { std: "docker" "start" "-a" "986af856b503c03df6bae78dd1236420c86dbb61460ae749a9e0430a67c07468", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "986af856b503c03df6bae78dd1236420c86dbb61460ae749a9e0430a67c07468", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "986af856b503c03df6bae78dd1236420c86dbb61460ae749a9e0430a67c07468", kill_on_drop: false }`
[INFO] [stdout] 986af856b503c03df6bae78dd1236420c86dbb61460ae749a9e0430a67c07468
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f8884189b13881d1699f095fa41966d1cbb91936ab78a572883f6eb0d246f56
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2f8884189b13881d1699f095fa41966d1cbb91936ab78a572883f6eb0d246f56", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking ogg v0.7.0
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking png v0.15.3
[INFO] [stderr]     Checking lewton v0.9.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking rayon v1.5.0
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]     Checking jpeg-decoder v0.1.20
[INFO] [stderr]     Checking image v0.22.5
[INFO] [stderr]     Checking romy-core v0.2.0
[INFO] [stderr]     Checking romy-engine v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.04s
[INFO] running `Command { std: "docker" "inspect" "2f8884189b13881d1699f095fa41966d1cbb91936ab78a572883f6eb0d246f56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f8884189b13881d1699f095fa41966d1cbb91936ab78a572883f6eb0d246f56", kill_on_drop: false }`
[INFO] [stdout] 2f8884189b13881d1699f095fa41966d1cbb91936ab78a572883f6eb0d246f56