[INFO] fetching crate librist-sys 0.4.0...
[INFO] testing librist-sys-0.4.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate librist-sys 0.4.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate librist-sys 0.4.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate librist-sys 0.4.0
[INFO] finished tweaking crates.io crate librist-sys 0.4.0
[INFO] tweaked toml for crates.io crate librist-sys 0.4.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 329dcbd451c523e237a09f6abc53091f7eff2118c2679d105bc8007f664cb4a9
[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" "329dcbd451c523e237a09f6abc53091f7eff2118c2679d105bc8007f664cb4a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "329dcbd451c523e237a09f6abc53091f7eff2118c2679d105bc8007f664cb4a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "329dcbd451c523e237a09f6abc53091f7eff2118c2679d105bc8007f664cb4a9", kill_on_drop: false }`
[INFO] [stdout] 329dcbd451c523e237a09f6abc53091f7eff2118c2679d105bc8007f664cb4a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 086f1849234a4728a5f0b687884812bdc5bb84bd1fdbb4b1266860e33c348de6
[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" "086f1849234a4728a5f0b687884812bdc5bb84bd1fdbb4b1266860e33c348de6", kill_on_drop: false }`
[INFO] [stderr]    Compiling bindgen v0.54.0
[INFO] [stderr]    Compiling librist-sys v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: meson build of librist failed
[INFO] [stdout] error: could not find native static library `rist`, perhaps an -L flag is missing?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: meson build of librist failed
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `librist-sys`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "086f1849234a4728a5f0b687884812bdc5bb84bd1fdbb4b1266860e33c348de6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "086f1849234a4728a5f0b687884812bdc5bb84bd1fdbb4b1266860e33c348de6", kill_on_drop: false }`
[INFO] [stdout] 086f1849234a4728a5f0b687884812bdc5bb84bd1fdbb4b1266860e33c348de6