[INFO] cloning 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" "clone" "--bare" "https://github.com/cormac-obrien/richter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcormac-obrien%2Frichter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcormac-obrien%2Frichter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9bfb1d2f5d16c4bf69df75f6bde5c3e40c2bd7ae
[INFO] checking cormac-obrien/richter against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcormac-obrien%2Frichter" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cormac-obrien/richter on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cpal v0.12.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 81b01bd6c83c8a330967d8d1e5267c117a77512a32e2f205d6ad4d801e14c487
[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" "81b01bd6c83c8a330967d8d1e5267c117a77512a32e2f205d6ad4d801e14c487", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81b01bd6c83c8a330967d8d1e5267c117a77512a32e2f205d6ad4d801e14c487", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81b01bd6c83c8a330967d8d1e5267c117a77512a32e2f205d6ad4d801e14c487", kill_on_drop: false }`
[INFO] [stdout] 81b01bd6c83c8a330967d8d1e5267c117a77512a32e2f205d6ad4d801e14c487
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3eeafadf7a786e8ce0ab56a57135fce95538e0d3654714fde5afbc1398d3d3b
[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" "f3eeafadf7a786e8ce0ab56a57135fce95538e0d3654714fde5afbc1398d3d3b", kill_on_drop: false }`
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking xml-rs v0.8.3
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling cpal v0.12.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking copyless v0.1.5
[INFO] [stderr]    Compiling winit v0.22.2 (https://github.com/chemicstry/winit?branch=optional_drag_and_drop#6e7df749)
[INFO] [stderr]     Checking typed-arena v2.0.1
[INFO] [stderr]     Checking claxon v0.4.3
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking bumpalo v3.4.0
[INFO] [stderr]     Checking strum v0.18.0
[INFO] [stderr]     Checking tracing-core v0.1.14
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling libloading v0.6.2
[INFO] [stderr]    Compiling alsa-sys v0.3.0
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]     Checking hibitset v0.6.3
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking slice-deque v0.3.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking ogg v0.7.0
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking lexical-core v0.7.4
[INFO] [stderr]     Checking gfx-hal v0.5.3
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]     Checking ash v0.31.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]    Compiling shaderc-sys v0.6.2
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking num-integer v0.1.43
[INFO] [stderr]     Checking spirv_headers v1.4.2
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking lewton v0.10.1
[INFO] [stderr]     Checking wayland-sys v0.23.6
[INFO] [stderr]     Checking png v0.16.7
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-iter v0.1.41
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking cgmath v0.17.0
[INFO] [stderr]     Checking naga v0.1.0 (https://github.com/gfx-rs/naga?rev=a9228d2aed38c71388489a95817238ff98198fa3#a9228d2a)
[INFO] [stderr]     Checking minimp3 v0.3.5
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]    Compiling wayland-client v0.23.6
[INFO] [stderr]    Compiling wayland-protocols v0.23.6
[INFO] [stderr]     Checking calloop v0.4.4
[INFO] [stderr]     Checking wayland-commons v0.23.6
[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-0.15.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -Cembed-bitcode=no -C debuginfo=2 -C metadata=fe8162129e706daa -C extra-filename=-fe8162129e706daa --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-112c1c21947cb21c.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-99a8e150265eb097.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-b94a644a973abec4.rmeta --extern void=/opt/rustwide/target/debug/deps/libvoid-20e4497198d21dbe.rmeta --cap-lints allow --cap-lints=forbid` (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: 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" "f3eeafadf7a786e8ce0ab56a57135fce95538e0d3654714fde5afbc1398d3d3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3eeafadf7a786e8ce0ab56a57135fce95538e0d3654714fde5afbc1398d3d3b", kill_on_drop: false }`
[INFO] [stdout] f3eeafadf7a786e8ce0ab56a57135fce95538e0d3654714fde5afbc1398d3d3b