[INFO] fetching crate zstd-safe 2.0.5+zstd.1.4.5...
[INFO] checking zstd-safe-2.0.5+zstd.1.4.5 against try#ffa4a0215752773248fb0f0a8092f1c3e7907e9e for pr-75585
[INFO] extracting crate zstd-safe 2.0.5+zstd.1.4.5 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate zstd-safe 2.0.5+zstd.1.4.5 on toolchain ffa4a0215752773248fb0f0a8092f1c3e7907e9e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zstd-safe 2.0.5+zstd.1.4.5
[INFO] finished tweaking crates.io crate zstd-safe 2.0.5+zstd.1.4.5
[INFO] tweaked toml for crates.io crate zstd-safe 2.0.5+zstd.1.4.5 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "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] 507c2d1dd083fe25cad1bb9fcd8389d19fc6efac913e20a500d26f1daf429ffa
[INFO] running `Command { std: "docker" "start" "-a" "507c2d1dd083fe25cad1bb9fcd8389d19fc6efac913e20a500d26f1daf429ffa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "507c2d1dd083fe25cad1bb9fcd8389d19fc6efac913e20a500d26f1daf429ffa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "507c2d1dd083fe25cad1bb9fcd8389d19fc6efac913e20a500d26f1daf429ffa", kill_on_drop: false }`
[INFO] [stdout] 507c2d1dd083fe25cad1bb9fcd8389d19fc6efac913e20a500d26f1daf429ffa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98780faa900f6ee529f5a7267aa9edfc5aa97914a53d3554e4e6257d1f9e3634
[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" "98780faa900f6ee529f5a7267aa9edfc5aa97914a53d3554e4e6257d1f9e3634", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling either v1.6.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]    Compiling zstd-sys v1.4.17+zstd.1.4.5
[INFO] [stderr]     Checking zstd-safe v2.0.5+zstd.1.4.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 26s
[INFO] running `Command { std: "docker" "inspect" "98780faa900f6ee529f5a7267aa9edfc5aa97914a53d3554e4e6257d1f9e3634", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98780faa900f6ee529f5a7267aa9edfc5aa97914a53d3554e4e6257d1f9e3634", kill_on_drop: false }`
[INFO] [stdout] 98780faa900f6ee529f5a7267aa9edfc5aa97914a53d3554e4e6257d1f9e3634