[INFO] cloning repository https://github.com/sim82/rust_playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sim82/rust_playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsim82%2Frust_playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsim82%2Frust_playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d29f5dfa671cfbfd66b22b2876741161cf8ca7f5
[INFO] testing sim82/rust_playground against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsim82%2Frust_playground" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sim82/rust_playground on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sim82/rust_playground
[INFO] finished tweaking git repo https://github.com/sim82/rust_playground
[INFO] tweaked toml for git repo https://github.com/sim82/rust_playground written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/sim82/rust_playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: dependencies.cgmath.simd
[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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8cdbc1a7c5b5a49cb0657cc2456af65ff2732a6d696c088a0fc641e08514d050
[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" "8cdbc1a7c5b5a49cb0657cc2456af65ff2732a6d696c088a0fc641e08514d050", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8cdbc1a7c5b5a49cb0657cc2456af65ff2732a6d696c088a0fc641e08514d050", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cdbc1a7c5b5a49cb0657cc2456af65ff2732a6d696c088a0fc641e08514d050", kill_on_drop: false }`
[INFO] [stdout] 8cdbc1a7c5b5a49cb0657cc2456af65ff2732a6d696c088a0fc641e08514d050
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=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" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a6b63aff696c7257607122c9667dd7baca145f4a6ca02a8212f736b9c8a75a7
[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" "7a6b63aff696c7257607122c9667dd7baca145f4a6ca02a8212f736b9c8a75a7", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: dependencies.cgmath.simd
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]    Compiling downcast-rs v1.0.3
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling vulkano v0.11.1
[INFO] [stderr]    Compiling half v1.3.0
[INFO] [stderr]    Compiling vk-sys v0.4.0
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]    Compiling rust_playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling packed_simd v0.3.1
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling rustc-hash v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.1.8
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling wayland-scanner v0.21.7
[INFO] [stderr]    Compiling cmake v0.1.35
[INFO] [stderr]    Compiling smallvec v0.6.7
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling nix v0.12.0
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling bincode v1.0.1
[INFO] [stderr]    Compiling approx v0.3.1
[INFO] [stderr]    Compiling ordered-float v1.0.1
[INFO] [stderr]    Compiling line_drawing v0.7.0
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]    Compiling serde_json v1.0.35
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling shaderc v0.3.12
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling png v0.14.0
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling cgmath v0.17.0
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/packed_simd-0.3.1/src/lib.rs:202:1
[INFO] [stdout]     |
[INFO] [stdout] 202 | / #![feature(
[INFO] [stdout] 203 | |     repr_simd,
[INFO] [stdout] 204 | |     const_fn,
[INFO] [stdout] 205 | |     platform_intrinsics,
[INFO] [stdout] ...   |
[INFO] [stdout] 215 | |     custom_inner_attributes
[INFO] [stdout] 216 | | )]
[INFO] [stdout]     | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling wayland-client v0.21.7
[INFO] [stderr]    Compiling wayland-protocols v0.21.7
[INFO] [stderr]    Compiling rusttype v0.7.5
[INFO] [stderr]    Compiling dlib v0.4.1
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling wayland-sys v0.21.7
[INFO] [stderr]    Compiling crossbeam-channel v0.3.6
[INFO] [stderr]    Compiling andrew v0.1.4
[INFO] [stderr]    Compiling glyph_brush_layout v0.1.5
[INFO] [stderr]    Compiling crossbeam v0.5.0
[INFO] [stderr]    Compiling glyph_brush v0.4.1
[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-0.12.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=2f212f56b6950ad4 -C extra-filename=-2f212f56b6950ad4 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-2f2b36b8a5064fee.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-b74cbf0ea7af16b3.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-cffb197ca9b4f210.rmeta --extern void=/opt/rustwide/target/debug/deps/libvoid-3484f9f7e819ca54.rmeta --cap-lints allow --cap-lints=warn` (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" "7a6b63aff696c7257607122c9667dd7baca145f4a6ca02a8212f736b9c8a75a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a6b63aff696c7257607122c9667dd7baca145f4a6ca02a8212f736b9c8a75a7", kill_on_drop: false }`
[INFO] [stdout] 7a6b63aff696c7257607122c9667dd7baca145f4a6ca02a8212f736b9c8a75a7
