[INFO] fetching crate netbuf 0.4.1...
[INFO] checking netbuf-0.4.1 against master#db870ea71b6dcc7a91b999420b88f41d3cdd13e1 for pr-75192
[INFO] extracting crate netbuf 0.4.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate netbuf 0.4.1 on toolchain db870ea71b6dcc7a91b999420b88f41d3cdd13e1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate netbuf 0.4.1
[INFO] finished tweaking crates.io crate netbuf 0.4.1
[INFO] tweaked toml for crates.io crate netbuf 0.4.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "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] 16c730ffe78028cdea5675d44fe780c333f1bac23d1d875e428d82637121661d
[INFO] running `Command { std: "docker" "start" "-a" "16c730ffe78028cdea5675d44fe780c333f1bac23d1d875e428d82637121661d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16c730ffe78028cdea5675d44fe780c333f1bac23d1d875e428d82637121661d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16c730ffe78028cdea5675d44fe780c333f1bac23d1d875e428d82637121661d", kill_on_drop: false }`
[INFO] [stdout] 16c730ffe78028cdea5675d44fe780c333f1bac23d1d875e428d82637121661d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dee0e425d8c01e0044a4ffc1f212d8811af2e2a3719606f8d1cf9a0d7ea0a75d
[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" "dee0e425d8c01e0044a4ffc1f212d8811af2e2a3719606f8d1cf9a0d7ea0a75d", kill_on_drop: false }`
[INFO] [stderr]     Checking mockstream v0.0.2
[INFO] [stderr]     Checking netbuf v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `Command { std: "docker" "inspect" "dee0e425d8c01e0044a4ffc1f212d8811af2e2a3719606f8d1cf9a0d7ea0a75d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dee0e425d8c01e0044a4ffc1f212d8811af2e2a3719606f8d1cf9a0d7ea0a75d", kill_on_drop: false }`
[INFO] [stdout] dee0e425d8c01e0044a4ffc1f212d8811af2e2a3719606f8d1cf9a0d7ea0a75d