[INFO] fetching crate clang-sys-linkage 1.0.0...
[INFO] testing clang-sys-linkage-1.0.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate clang-sys-linkage 1.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate clang-sys-linkage 1.0.0 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 crates.io crate clang-sys-linkage 1.0.0
[INFO] finished tweaking crates.io crate clang-sys-linkage 1.0.0
[INFO] tweaked toml for crates.io crate clang-sys-linkage 1.0.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] 772ce1836832af64a2d8dbea390dd4ed50a4e62ffecaec159bcc84f043067fed
[INFO] running `Command { std: "docker" "start" "-a" "772ce1836832af64a2d8dbea390dd4ed50a4e62ffecaec159bcc84f043067fed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "772ce1836832af64a2d8dbea390dd4ed50a4e62ffecaec159bcc84f043067fed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "772ce1836832af64a2d8dbea390dd4ed50a4e62ffecaec159bcc84f043067fed", kill_on_drop: false }`
[INFO] [stdout] 772ce1836832af64a2d8dbea390dd4ed50a4e62ffecaec159bcc84f043067fed
[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] 420bc78917c305de086e98e8ec41aa512b31c985009fecebf10af69bda17c74e
[INFO] running `Command { std: "docker" "start" "-a" "420bc78917c305de086e98e8ec41aa512b31c985009fecebf10af69bda17c74e", kill_on_drop: false }`
[INFO] [stderr]    Compiling clang-sys-linkage v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.77s
[INFO] running `Command { std: "docker" "inspect" "420bc78917c305de086e98e8ec41aa512b31c985009fecebf10af69bda17c74e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "420bc78917c305de086e98e8ec41aa512b31c985009fecebf10af69bda17c74e", kill_on_drop: false }`
[INFO] [stdout] 420bc78917c305de086e98e8ec41aa512b31c985009fecebf10af69bda17c74e
[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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35248d641b5d4856cbcf8201e27b741e792980d96ee47d855066da4d4aba7d09
[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" "35248d641b5d4856cbcf8201e27b741e792980d96ee47d855066da4d4aba7d09", kill_on_drop: false }`
[INFO] [stderr]    Compiling clang-sys-linkage v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `clang_sys`
[INFO] [stdout]  --> tests/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate clang_sys;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `clang-sys-linkage` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "35248d641b5d4856cbcf8201e27b741e792980d96ee47d855066da4d4aba7d09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35248d641b5d4856cbcf8201e27b741e792980d96ee47d855066da4d4aba7d09", kill_on_drop: false }`
[INFO] [stdout] 35248d641b5d4856cbcf8201e27b741e792980d96ee47d855066da4d4aba7d09