[INFO] fetching crate peach 0.3.0...
[INFO] documenting peach-0.3.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate peach 0.3.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate peach 0.3.0 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate peach 0.3.0
[INFO] finished tweaking crates.io crate peach 0.3.0
[INFO] tweaked toml for crates.io crate peach 0.3.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate peach 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 044e7d3af834e89aeae97b85fed5a1d3114a316892b2a3c5fe5db0400066d4e9
[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" "044e7d3af834e89aeae97b85fed5a1d3114a316892b2a3c5fe5db0400066d4e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "044e7d3af834e89aeae97b85fed5a1d3114a316892b2a3c5fe5db0400066d4e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "044e7d3af834e89aeae97b85fed5a1d3114a316892b2a3c5fe5db0400066d4e9", kill_on_drop: false }`
[INFO] [stdout] 044e7d3af834e89aeae97b85fed5a1d3114a316892b2a3c5fe5db0400066d4e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4189f15f0ce1849c7a12f26829d957f94b74c2cfc4554ce198b732733eb86234
[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" "4189f15f0ce1849c7a12f26829d957f94b74c2cfc4554ce198b732733eb86234", kill_on_drop: false }`
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]     Checking smallvec v1.0.0
[INFO] [stderr]     Checking instant v0.1.2
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling x11 v2.18.1
[INFO] [stderr]     Checking lock_api v0.3.2
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling x11-dl v2.18.4
[INFO] [stderr]     Checking hibitset v0.6.2
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking relevant v0.4.2
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking ash v0.29.0
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking gfx-hal v0.4.1
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking zerocopy v0.2.8
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]    Compiling shaderc-sys v0.6.1
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking wayland-sys v0.23.6
[INFO] [stderr]     Checking mio-extras v2.0.6
[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 euclid v0.20.7
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking sid v0.5.2
[INFO] [stderr]     Checking rusttype v0.8.2
[INFO] [stderr]     Checking lyon_geom v0.14.1
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]    Compiling wayland-client v0.23.6
[INFO] [stderr]    Compiling wayland-protocols v0.23.6
[INFO] [stderr]     Checking lyon_path v0.14.0
[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-0.14.1/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=163f5da8435e7db8 -C extra-filename=-163f5da8435e7db8 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-b7cb6f2855b37747.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-54290d1d4e24abd9.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-431e33e03aab354c.rmeta --extern void=/opt/rustwide/target/debug/deps/libvoid-1690fd8e51023975.rmeta --cap-lints allow` (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" "4189f15f0ce1849c7a12f26829d957f94b74c2cfc4554ce198b732733eb86234", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4189f15f0ce1849c7a12f26829d957f94b74c2cfc4554ce198b732733eb86234", kill_on_drop: false }`
[INFO] [stdout] 4189f15f0ce1849c7a12f26829d957f94b74c2cfc4554ce198b732733eb86234