[INFO] cloning repository https://github.com/Nebual/ncscreenier
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Nebual/ncscreenier" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNebual%2Fncscreenier", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNebual%2Fncscreenier'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5ded6a6dce6edd57cd5f3b7521b6b3c618280769
[INFO] documenting Nebual/ncscreenier against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNebual%2Fncscreenier" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Nebual/ncscreenier on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Nebual/ncscreenier
[INFO] finished tweaking git repo https://github.com/Nebual/ncscreenier
[INFO] tweaked toml for git repo https://github.com/Nebual/ncscreenier written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Nebual/ncscreenier already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--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-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed4c61bc8c86599a427e91953c098fe202fe49194e3139fbd71752af5458cf35
[INFO] running `Command { std: "docker" "start" "-a" "ed4c61bc8c86599a427e91953c098fe202fe49194e3139fbd71752af5458cf35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed4c61bc8c86599a427e91953c098fe202fe49194e3139fbd71752af5458cf35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed4c61bc8c86599a427e91953c098fe202fe49194e3139fbd71752af5458cf35", kill_on_drop: false }`
[INFO] [stdout] ed4c61bc8c86599a427e91953c098fe202fe49194e3139fbd71752af5458cf35
[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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de3aac77f623432255443076673a2ba90d0c25640b4957ae4eff7621238ff239
[INFO] running `Command { std: "docker" "start" "-a" "de3aac77f623432255443076673a2ba90d0c25640b4957ae4eff7621238ff239", 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 v0.2.69
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking piston-float v1.0.0
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking piston-graphics_api_version v0.2.0
[INFO] [stderr]     Checking downcast-rs v1.1.1
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking bytemuck v1.2.0
[INFO] [stderr]     Checking piston-texture v0.8.0
[INFO] [stderr]     Checking read_color v1.0.0
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking interpolation v0.2.0
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]    Compiling encoding_rs v0.8.22
[INFO] [stderr]    Compiling scrap v0.5.0 (https://github.com/Nebual/scrap?branch=develop#fd612181)
[INFO] [stderr]     Checking piston-shaders_graphics2d v0.3.1
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking typed-arena v1.7.0
[INFO] [stderr]     Checking dtoa v0.4.5
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking strsim v0.9.3
[INFO] [stderr]     Checking bit-vec v0.6.1
[INFO] [stderr]     Checking rgb v0.8.17
[INFO] [stderr]     Checking block v0.1.6
[INFO] [stderr]     Checking wild v2.0.2
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking shader_version v0.6.0
[INFO] [stderr]     Checking piston-viewport v1.0.0
[INFO] [stderr]     Checking vecmath v1.0.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]     Checking draw_state v0.8.0
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling device_query v0.1.3
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling openssl-sys v0.9.55
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]    Compiling cloudflare-zlib-sys v0.2.0
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking deflate v0.8.4
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]     Checking tiff v0.4.0
[INFO] [stderr]     Checking zopfli v0.4.0
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]     Checking gfx_core v0.9.2
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]     Checking png v0.15.3
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking png v0.16.3
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking wayland-sys v0.21.13
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]    Compiling gfx_gl v0.6.1
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]    Compiling wayland-client v0.21.13
[INFO] [stderr]    Compiling wayland-protocols v0.21.13
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.6
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.4
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking time v0.1.43
[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 rand_os v0.1.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking threadpool v1.8.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking image v0.22.5
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking piston2d-graphics v0.36.0
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking promising-future v0.2.4
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]    Compiling xcb v0.8.2
[INFO] [stderr]     Checking gfx v0.18.2
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr] error: could not compile `nix`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name nix /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nix-0.17.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C opt-level=2 -C embed-bitcode=no -C debuginfo=2 -C debug-assertions=on -C metadata=c8f8d7d79e15555f -C extra-filename=-c8f8d7d79e15555f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-6ae9bdc37038d3ea.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-7d519aaa58e2f684.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-e8308cb164d68064.rmeta --extern void=/opt/rustwide/target/debug/deps/libvoid-07b26eb80631141a.rmeta --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "de3aac77f623432255443076673a2ba90d0c25640b4957ae4eff7621238ff239", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de3aac77f623432255443076673a2ba90d0c25640b4957ae4eff7621238ff239", kill_on_drop: false }`
[INFO] [stdout] de3aac77f623432255443076673a2ba90d0c25640b4957ae4eff7621238ff239
