[INFO] cloning repository https://github.com/joelgwebber/fly
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/joelgwebber/fly" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoelgwebber%2Ffly", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoelgwebber%2Ffly'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 468038127654b5e7fd0cc40fc08471deba8ca114
[INFO] documenting joelgwebber/fly against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoelgwebber%2Ffly" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/joelgwebber/fly on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/joelgwebber/fly
[INFO] finished tweaking git repo https://github.com/joelgwebber/fly
[INFO] tweaked toml for git repo https://github.com/joelgwebber/fly written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/joelgwebber/fly already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded shrinkwraprs v0.2.3
[INFO] [stderr]   Downloaded tracing-core v0.1.8
[INFO] [stderr]   Downloaded tracing v0.1.11
[INFO] [stderr]   Downloaded generational-arena v0.2.6
[INFO] [stderr]   Downloaded legion v0.2.1
[INFO] [stderr]   Downloaded nphysics2d v0.12.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f86e7e1c68da489a11eb6c0749745de9c54f3e2e008a622c9fa46d3744ea865
[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" "4f86e7e1c68da489a11eb6c0749745de9c54f3e2e008a622c9fa46d3744ea865", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f86e7e1c68da489a11eb6c0749745de9c54f3e2e008a622c9fa46d3744ea865", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f86e7e1c68da489a11eb6c0749745de9c54f3e2e008a622c9fa46d3744ea865", kill_on_drop: false }`
[INFO] [stdout] 4f86e7e1c68da489a11eb6c0749745de9c54f3e2e008a622c9fa46d3744ea865
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "RUSTDOCFLAGS=--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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 811116d4e7180569841dfb825581f5a9f2626944e6570b21c4ce05cb212d7deb
[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" "811116d4e7180569841dfb825581f5a9f2626944e6570b21c4ce05cb212d7deb", 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] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling same-file v1.0.5
[INFO] [stderr]     Checking mint v0.5.4
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]     Checking bit-vec v0.5.1
[INFO] [stderr]     Checking slotmap v0.3.0
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]    Compiling minimp3-sys v0.3.1
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]     Checking tracing-core v0.1.8
[INFO] [stderr]     Checking generational-arena v0.2.6
[INFO] [stderr]    Compiling x11-dl v2.18.4
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling walkdir v2.2.9
[INFO] [stderr]     Checking bit-set v0.5.1
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]     Checking draw_state v0.8.0
[INFO] [stderr]     Checking toml v0.5.5
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]     Checking rustc-hash v1.0.1
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking ogg v0.7.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking png v0.15.2
[INFO] [stderr]     Checking gfx_core v0.9.2
[INFO] [stderr]     Checking lewton v0.9.4
[INFO] [stderr]    Compiling tracing-attributes v0.1.6
[INFO] [stderr]    Compiling shrinkwraprs v0.2.3
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]    Compiling paste-impl v0.1.6
[INFO] [stderr]     Checking wayland-sys v0.21.13
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.4
[INFO] [stderr]     Checking sid v0.5.2
[INFO] [stderr]     Checking alga v0.9.2
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking getrandom v0.1.13
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking nix v0.15.0
[INFO] [stderr]     Checking alsa-sys v0.1.2
[INFO] [stderr]     Checking slice-deque v0.2.4
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr] error: could not compile `syn`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.15.44/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -Cembed-bitcode=no -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=b3468758892a6b1b -C extra-filename=-b3468758892a6b1b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-1c8cd06d03ec2d01.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-179b18ceb2cbc452.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-de12218e15042935.rmeta --cap-lints allow --cfg syn_can_match_trailing_dollar --cfg syn_can_use_thread_id --cfg syn_can_use_associated_constants --cfg syn_can_call_macro_by_path --cfg syn_disable_nightly_tests` (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] [stdout] error: linking with `cc` failed: signal: 9
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-Wl,--eh-frame-hdr" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-08-29-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/tracing_attributes-0a1e8b15e07a9513.tracing_attributes.1vn0b8hl-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/tracing_attributes-0a1e8b15e07a9513.tracing_attributes.1vn0b8hl-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/tracing_attributes-0a1e8b15e07a9513.tracing_attributes.1vn0b8hl-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/tracing_attributes-0a1e8b15e07a9513.tracing_attributes.1vn0b8hl-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/tracing_attributes-0a1e8b15e07a9513.tracing_attributes.1vn0b8hl-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/tracing_attributes-0a1e8b15e07a9513.tracing_attributes.1vn0b8hl-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/tracing_attributes-0a1e8b15e07a9513.tracing_attributes.1vn0b8hl-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/tracing_attributes-0a1e8b15e07a9513.tracing_attributes.1vn0b8hl-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/tracing_attributes-0a1e8b15e07a9513.tracing_attributes.1vn0b8hl-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/tracing_attributes-0a1e8b15e07a9513.tracing_attributes.1vn0b8hl-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/tracing_attributes-0a1e8b15e07a9513.tracing_attributes.1vn0b8hl-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/tracing_attributes-0a1e8b15e07a9513.tracing_attributes.1vn0b8hl-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/tracing_attributes-0a1e8b15e07a9513.tracing_attributes.1vn0b8hl-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/tracing_attributes-0a1e8b15e07a9513.tracing_attributes.1vn0b8hl-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/tracing_attributes-0a1e8b15e07a9513.tracing_attributes.1vn0b8hl-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/tracing_attributes-0a1e8b15e07a9513.tracing_attributes.1vn0b8hl-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/libtracing_attributes-0a1e8b15e07a9513.so" "/opt/rustwide/target/debug/deps/tracing_attributes-0a1e8b15e07a9513.433s8q1atpmwqi7x.rcgu.o" "/opt/rustwide/target/debug/deps/tracing_attributes-0a1e8b15e07a9513.55ltbrpcqt0jtohi.rcgu.o" "-Wl,--gc-sections" "-shared" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-08-29-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libsyn-8480b17bd5de6c95.rlib" "/opt/rustwide/target/debug/deps/libquote-ab302b952e99478e.rlib" "/opt/rustwide/target/debug/deps/libproc_macro2-13aba85dfbd1ee1b.rlib" "/opt/rustwide/target/debug/deps/libunicode_xid-00e718d0d0f7c0e6.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-08-29-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libproc_macro-9e821927651e04ae.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-08-29-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-b5ad74bd84224810.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-08-29-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-26a1f571fc41e545.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-08-29-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-f5a491ac3f4cef4e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-08-29-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-c201d25add2f427a.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-08-29-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-24b3eaf3b9f39a4d.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-08-29-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-4755f99fa32ed4f2.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-08-29-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-0e694316d0b3e45e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-08-29-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-ea5311801a274ea7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-08-29-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-c40b74d63d88a7bb.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-08-29-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-07451f79951e780d.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-08-29-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-5b411645fa399254.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-08-29-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-d76bc972648498d6.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-08-29-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-b37fb9c9975d4585.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-08-29-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-493e2cd31ebb4e0f.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-08-29-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-727cdf2b6a468113.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-08-29-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-cf4d442d877ea2f4.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-08-29-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-8868cbc5d314613c.rlib" "-Wl,-Bdynamic" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stdout]   = note: 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "811116d4e7180569841dfb825581f5a9f2626944e6570b21c4ce05cb212d7deb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "811116d4e7180569841dfb825581f5a9f2626944e6570b21c4ce05cb212d7deb", kill_on_drop: false }`
[INFO] [stdout] 811116d4e7180569841dfb825581f5a9f2626944e6570b21c4ce05cb212d7deb