[INFO] updating cached repository https://github.com/cormac-obrien/richter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] [stderr] From https://github.com/cormac-obrien/richter
[INFO] [stderr]    78362cf..9bfb1d2  devel      -> devel
[INFO] [stderr]  * [new branch]      music      -> music
[INFO] [stderr]    78362cf..9bfb1d2  staging    -> staging
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9bfb1d2f5d16c4bf69df75f6bde5c3e40c2bd7ae
[INFO] testing cormac-obrien/richter against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcormac-obrien%2Frichter" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cormac-obrien/richter on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cormac-obrien/richter
[INFO] finished tweaking git repo https://github.com/cormac-obrien/richter
[INFO] tweaked toml for git repo https://github.com/cormac-obrien/richter written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/RustAudio/rodio`
[INFO] [stderr]     Updating git repository `https://github.com/gfx-rs/wgpu-rs`
[INFO] [stderr]     Updating git repository `https://github.com/chemicstry/winit`
[INFO] [stderr]     Updating git repository `https://github.com/gfx-rs/wgpu`
[INFO] [stderr]     Updating git repository `https://github.com/gfx-rs/gfx-extras`
[INFO] [stderr]     Updating git repository `https://github.com/gfx-rs/naga`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e6569d1b54b7d16ce57f4f8fccce8f666cf3abe83a51ffc192d4ad5dd60ac8d
[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" "8e6569d1b54b7d16ce57f4f8fccce8f666cf3abe83a51ffc192d4ad5dd60ac8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e6569d1b54b7d16ce57f4f8fccce8f666cf3abe83a51ffc192d4ad5dd60ac8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e6569d1b54b7d16ce57f4f8fccce8f666cf3abe83a51ffc192d4ad5dd60ac8d", kill_on_drop: false }`
[INFO] [stdout] 8e6569d1b54b7d16ce57f4f8fccce8f666cf3abe83a51ffc192d4ad5dd60ac8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9ba3acca8bb20eca3987a0a9d9a3c438bdb23b1ea9d1713fa3b8cbc53e714dd
[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" "a9ba3acca8bb20eca3987a0a9d9a3c438bdb23b1ea9d1713fa3b8cbc53e714dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling cpal v0.12.1
[INFO] [stderr]    Compiling winit v0.22.2 (https://github.com/chemicstry/winit?branch=optional_drag_and_drop#6e7df749)
[INFO] [stderr]    Compiling claxon v0.4.3
[INFO] [stderr]    Compiling typed-arena v2.0.1
[INFO] [stderr]    Compiling bumpalo v3.4.0
[INFO] [stderr]    Compiling strum v0.18.0
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling alsa-sys v0.3.0
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]    Compiling tracing-core v0.1.13
[INFO] [stderr]    Compiling shaderc-sys v0.6.2
[INFO] [stderr]    Compiling ogg v0.7.0
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling ash v0.31.0
[INFO] [stderr]    Compiling ordered-float v1.1.0
[INFO] [stderr]    Compiling spirv_headers v1.4.2
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling rusttype v0.8.3
[INFO] [stderr]    Compiling tracing v0.1.18
[INFO] [stderr]    Compiling lewton v0.10.1
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling rusttype v0.7.9
[INFO] [stderr]    Compiling andrew v0.2.1
[INFO] [stderr]    Compiling naga v0.1.0 (https://github.com/gfx-rs/naga?rev=a9228d2aed38c71388489a95817238ff98198fa3#a9228d2a)
[INFO] [stderr] error: could not compile `regex`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-0.2.11/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -Cembed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=a04e4df337595851 -C extra-filename=-a04e4df337595851 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern aho_corasick=/opt/rustwide/target/debug/deps/libaho_corasick-b06f85a5a3557e51.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-994f1cb85517744c.rmeta --extern regex_syntax=/opt/rustwide/target/debug/deps/libregex_syntax-73b9402cc491e1f8.rmeta --extern thread_local=/opt/rustwide/target/debug/deps/libthread_local-57d16560e5d8559d.rmeta --extern utf8_ranges=/opt/rustwide/target/debug/deps/libutf8_ranges-0c6a5d69c0e61c67.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: "libc's use_std cargo feature is deprecated since libc 0.2.55; please consider using the `std` cargo feature instead"
[INFO] [stderr] 
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: Checking for system installed libraries.  Use --features = build-from-source to disable this behavior
[INFO] [stderr] warning: System installed library not found.  Falling back to build from source
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "a9ba3acca8bb20eca3987a0a9d9a3c438bdb23b1ea9d1713fa3b8cbc53e714dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9ba3acca8bb20eca3987a0a9d9a3c438bdb23b1ea9d1713fa3b8cbc53e714dd", kill_on_drop: false }`
[INFO] [stdout] a9ba3acca8bb20eca3987a0a9d9a3c438bdb23b1ea9d1713fa3b8cbc53e714dd