[INFO] fetching crate rtdlib 1.8.1...
[INFO] testing rtdlib-1.8.1 against 1.59.0 for beta-1.60-1
[INFO] extracting crate rtdlib 1.8.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate rtdlib 1.8.1 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rtdlib 1.8.1
[INFO] finished tweaking crates.io crate rtdlib 1.8.1
[INFO] tweaked toml for crates.io crate rtdlib 1.8.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a294471fc67949f27281b0cb904812ba9e224278979f9856eeb8ea2b463084bc
[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" "a294471fc67949f27281b0cb904812ba9e224278979f9856eeb8ea2b463084bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a294471fc67949f27281b0cb904812ba9e224278979f9856eeb8ea2b463084bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a294471fc67949f27281b0cb904812ba9e224278979f9856eeb8ea2b463084bc", kill_on_drop: false }`
[INFO] [stdout] a294471fc67949f27281b0cb904812ba9e224278979f9856eeb8ea2b463084bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "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] 8f8511bb760ec05246ab18c2a2bf4fa13c46f30ae16a999cb7ab6b24a072f797
[INFO] running `Command { std: "docker" "start" "-a" "8f8511bb760ec05246ab18c2a2bf4fa13c46f30ae16a999cb7ab6b24a072f797", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling serde-aux v0.6.1
[INFO] [stderr]    Compiling rtdlib v1.8.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `rtdlib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name rtdlib --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=f70d425e1cf21697 -C extra-filename=-f70d425e1cf21697 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern libc=/opt/rustwide/target/debug/deps/liblibc-0df115c6f3232b87.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-4881f3e2f4aa1de9.rmeta --extern serde_aux=/opt/rustwide/target/debug/deps/libserde_aux-45bea89500582801.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-20cd8d91388e6b1d.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-c68c0cc78578d652.rmeta --extern uuid=/opt/rustwide/target/debug/deps/libuuid-d525306c9330bdb4.rmeta --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "8f8511bb760ec05246ab18c2a2bf4fa13c46f30ae16a999cb7ab6b24a072f797", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f8511bb760ec05246ab18c2a2bf4fa13c46f30ae16a999cb7ab6b24a072f797", kill_on_drop: false }`
[INFO] [stdout] 8f8511bb760ec05246ab18c2a2bf4fa13c46f30ae16a999cb7ab6b24a072f797