[INFO] cloning repository https://github.com/JordanMajd/pong
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JordanMajd/pong" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJordanMajd%2Fpong", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJordanMajd%2Fpong'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1af3764a3119d9d4667fda5be6b320016875b7f9
[INFO] checking JordanMajd/pong against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJordanMajd%2Fpong" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JordanMajd/pong 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/JordanMajd/pong
[INFO] finished tweaking git repo https://github.com/JordanMajd/pong
[INFO] tweaked toml for git repo https://github.com/JordanMajd/pong written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/JordanMajd/pong 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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stdout] 3d601d2d9b1664f8d0b89f9e94c3bec44ce8c7a289c252abe169d2037f777325
[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" "3d601d2d9b1664f8d0b89f9e94c3bec44ce8c7a289c252abe169d2037f777325", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d601d2d9b1664f8d0b89f9e94c3bec44ce8c7a289c252abe169d2037f777325", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d601d2d9b1664f8d0b89f9e94c3bec44ce8c7a289c252abe169d2037f777325", kill_on_drop: false }`
[INFO] [stdout] 3d601d2d9b1664f8d0b89f9e94c3bec44ce8c7a289c252abe169d2037f777325
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 8e37a26f03c2b5deccfa31839f4444fc49d9c649fe398b673339214396a56429
[INFO] running `Command { std: "docker" "start" "-a" "8e37a26f03c2b5deccfa31839f4444fc49d9c649fe398b673339214396a56429", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling rustversion v1.0.3
[INFO] [stderr]    Compiling inventory v0.1.8
[INFO] [stderr]     Checking bytemuck v1.4.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.9
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking raw-window-handle v0.1.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling xcb v0.8.2
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking x11-dl v2.18.5
[INFO] [stderr]     Checking x11 v2.18.2
[INFO] [stderr]     Checking nom v5.1.2
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking ash v0.29.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking wayland-sys v0.21.13
[INFO] [stderr]    Compiling shred-derive v0.6.2
[INFO] [stderr]    Compiling specs-derive v0.4.1
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]    Compiling getset v0.0.9
[INFO] [stderr]    Compiling ctor v0.1.15
[INFO] [stderr]    Compiling inventory-impl v0.1.8
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling proc_macro_roids v0.7.0
[INFO] [stderr]    Compiling unic-langid-macros-impl v0.8.0
[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 -C embed-bitcode=no -C debuginfo=2 -C metadata=0881c6768b53f04f -C extra-filename=-0881c6768b53f04f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-e1a9b9121eac1683.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-b31c81520e08f43a.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-8174d81ffb96bdf6.rmeta --extern void=/opt/rustwide/target/debug/deps/libvoid-0ccfc045111cba9c.rmeta --cap-lints allow --cap-lints=forbid` (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" "8e37a26f03c2b5deccfa31839f4444fc49d9c649fe398b673339214396a56429", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e37a26f03c2b5deccfa31839f4444fc49d9c649fe398b673339214396a56429", kill_on_drop: false }`
[INFO] [stdout] 8e37a26f03c2b5deccfa31839f4444fc49d9c649fe398b673339214396a56429