[INFO] cloning repository https://github.com/rust-cxx/zlib-c
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rust-cxx/zlib-c" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-cxx%2Fzlib-c", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-cxx%2Fzlib-c'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 847d8d435dedc026aec741eac80f6c929bb6a3c6
[INFO] testing rust-cxx/zlib-c against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-cxx%2Fzlib-c" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rust-cxx/zlib-c on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rust-cxx/zlib-c
[INFO] finished tweaking git repo https://github.com/rust-cxx/zlib-c
[INFO] tweaked toml for git repo https://github.com/rust-cxx/zlib-c written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/rust-cxx/zlib-c already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded argparse v0.2.2
[INFO] [stderr]   Downloaded cmake v0.1.35
[INFO] [stderr]   Downloaded cargo-cxx v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] 0cd8454bf18fe7f0dc4fc44eb91a5d63155f8d0551c391882fd4f4c38f03d1dc
[INFO] running `Command { std: "docker" "start" "-a" "0cd8454bf18fe7f0dc4fc44eb91a5d63155f8d0551c391882fd4f4c38f03d1dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0cd8454bf18fe7f0dc4fc44eb91a5d63155f8d0551c391882fd4f4c38f03d1dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cd8454bf18fe7f0dc4fc44eb91a5d63155f8d0551c391882fd4f4c38f03d1dc", kill_on_drop: false }`
[INFO] [stdout] 0cd8454bf18fe7f0dc4fc44eb91a5d63155f8d0551c391882fd4f4c38f03d1dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", 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] dbf2a1bd9bd30243db19cbd12c881e00f79f58acd184d9e06472b22e9969f35c
[INFO] running `Command { std: "docker" "start" "-a" "dbf2a1bd9bd30243db19cbd12c881e00f79f58acd184d9e06472b22e9969f35c", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.26
[INFO] [stderr]    Compiling cmake v0.1.35
[INFO] [stderr]    Compiling cargo-cxx v0.1.2
[INFO] [stderr]    Compiling zlib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: could not find native static library `zlib`, perhaps an -L flag is missing?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zlib` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "dbf2a1bd9bd30243db19cbd12c881e00f79f58acd184d9e06472b22e9969f35c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbf2a1bd9bd30243db19cbd12c881e00f79f58acd184d9e06472b22e9969f35c", kill_on_drop: false }`
[INFO] [stdout] dbf2a1bd9bd30243db19cbd12c881e00f79f58acd184d9e06472b22e9969f35c