[INFO] cloning repository https://github.com/Finnerale/approx
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Finnerale/approx" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFinnerale%2Fapprox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFinnerale%2Fapprox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5c52305880f0573ea63e73c7698d23915842ae89
[INFO] checking Finnerale/approx against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFinnerale%2Fapprox" "/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/Finnerale/approx on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Finnerale/approx
[INFO] finished tweaking git repo https://github.com/Finnerale/approx
[INFO] tweaked toml for git repo https://github.com/Finnerale/approx written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Finnerale/approx already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] 1c14c6ba8dd843083c97c9ceeae2d4a85900a10d93da322d72e275c31bf8d703
[INFO] running `Command { std: "docker" "start" "-a" "1c14c6ba8dd843083c97c9ceeae2d4a85900a10d93da322d72e275c31bf8d703", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c14c6ba8dd843083c97c9ceeae2d4a85900a10d93da322d72e275c31bf8d703", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c14c6ba8dd843083c97c9ceeae2d4a85900a10d93da322d72e275c31bf8d703", kill_on_drop: false }`
[INFO] [stdout] 1c14c6ba8dd843083c97c9ceeae2d4a85900a10d93da322d72e275c31bf8d703
[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=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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--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] 0e51a79a119d76b73753d17af5864f66e7a22af9e8eae8201b7213bf22174971
[INFO] running `Command { std: "docker" "start" "-a" "0e51a79a119d76b73753d17af5864f66e7a22af9e8eae8201b7213bf22174971", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]     Checking downcast-rs v1.1.1
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking piston-float v0.3.0
[INFO] [stderr]    Compiling vulkano v0.16.0
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking half v1.4.1
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking vk-sys v0.5.1
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]     Checking instant v0.1.2
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking notosans v0.1.0
[INFO] [stderr]     Checking find_folder v0.3.0
[INFO] [stderr]     Checking conrod_winit v0.68.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking inflate v0.3.4
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]     Checking piston-viewport v0.5.0
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking gif v0.9.2
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[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]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]    Compiling shaderc-sys v0.6.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking wayland-sys v0.23.6
[INFO] [stderr]     Checking wayland-sys v0.21.13
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking daggy v0.5.0
[INFO] [stderr]     Checking daggy v0.6.0
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking euclid v0.20.7
[INFO] [stderr]     Checking pennereq v0.3.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking sid v0.5.2
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rusttype v0.8.2
[INFO] [stderr] error: could not compile `x11-dl`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name x11_dl /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/x11-dl-2.18.5/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 -C metadata=db782e7f14ff1655 -C extra-filename=-db782e7f14ff1655 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-db88f49d9e5662e7.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-f2d7bce8c9fa4b7a.rmeta --extern maybe_uninit=/opt/rustwide/target/debug/deps/libmaybe_uninit-fda6f10a8f707a36.rmeta --cap-lints allow --cap-lints=forbid -l dl` (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" "0e51a79a119d76b73753d17af5864f66e7a22af9e8eae8201b7213bf22174971", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e51a79a119d76b73753d17af5864f66e7a22af9e8eae8201b7213bf22174971", kill_on_drop: false }`
[INFO] [stdout] 0e51a79a119d76b73753d17af5864f66e7a22af9e8eae8201b7213bf22174971