[INFO] crate build_metadata 0.1.0 is already in cache
[INFO] testing build_metadata-0.1.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate build_metadata 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate build_metadata 0.1.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate build_metadata 0.1.0
[INFO] finished tweaking crates.io crate build_metadata 0.1.0
[INFO] tweaked toml for crates.io crate build_metadata 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 700817748c4ef60b18d31c597334729f0a16a967e734ba5ef818fa9f75489da2
[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" "700817748c4ef60b18d31c597334729f0a16a967e734ba5ef818fa9f75489da2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "700817748c4ef60b18d31c597334729f0a16a967e734ba5ef818fa9f75489da2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "700817748c4ef60b18d31c597334729f0a16a967e734ba5ef818fa9f75489da2", kill_on_drop: false }`
[INFO] [stdout] 700817748c4ef60b18d31c597334729f0a16a967e734ba5ef818fa9f75489da2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4fd67a272c5ccc0eac999a6cb55efd26b2cf2b910559185670dd5983dba987d5
[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" "4fd67a272c5ccc0eac999a6cb55efd26b2cf2b910559185670dd5983dba987d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v0.1.1
[INFO] [stderr]    Compiling openssl-sys v0.7.17
[INFO] [stderr]    Compiling libgit2-sys v0.4.6
[INFO] [stderr]    Compiling git2 v0.4.4
[INFO] [stderr]    Compiling build_metadata v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0462]: found staticlib `rustc` instead of rlib or dylib
[INFO] [stdout]   --> src/lib.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | extern crate rustc;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: please recompile that crate using --crate-type lib
[INFO] [stdout]    = note: the following crate versions were found:
[INFO] [stdout]            crate `rustc`: /opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-beta_rt.msan.a
[INFO] [stdout]            crate `rustc`: /opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-beta_rt.asan.a
[INFO] [stdout]            crate `rustc`: /opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-beta_rt.lsan.a
[INFO] [stdout]            crate `rustc`: /opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-beta_rt.tsan.a
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `build_metadata`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "4fd67a272c5ccc0eac999a6cb55efd26b2cf2b910559185670dd5983dba987d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fd67a272c5ccc0eac999a6cb55efd26b2cf2b910559185670dd5983dba987d5", kill_on_drop: false }`
[INFO] [stdout] 4fd67a272c5ccc0eac999a6cb55efd26b2cf2b910559185670dd5983dba987d5