[INFO] cloning repository https://github.com/switefaster/unnamed_simulator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/switefaster/unnamed_simulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswitefaster%2Funnamed_simulator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswitefaster%2Funnamed_simulator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e0d971c9199b4d8a10a66973d7aacfda77c43b28
[INFO] checking switefaster/unnamed_simulator against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswitefaster%2Funnamed_simulator" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/switefaster/unnamed_simulator on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/switefaster/unnamed_simulator
[INFO] finished tweaking git repo https://github.com/switefaster/unnamed_simulator
[INFO] tweaked toml for git repo https://github.com/switefaster/unnamed_simulator written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/switefaster/unnamed_simulator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b1ade60d069fe97b9f2066f9ad146f04592075517189f06b280f8a1196b87437
[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" "b1ade60d069fe97b9f2066f9ad146f04592075517189f06b280f8a1196b87437", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1ade60d069fe97b9f2066f9ad146f04592075517189f06b280f8a1196b87437", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1ade60d069fe97b9f2066f9ad146f04592075517189f06b280f8a1196b87437", kill_on_drop: false }`
[INFO] [stdout] b1ade60d069fe97b9f2066f9ad146f04592075517189f06b280f8a1196b87437
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "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] 09ad84db28ec3e77f0678d210d0a365fc9ac974a8f543627c7298563943d9fa5
[INFO] running `Command { std: "docker" "start" "-a" "09ad84db28ec3e77f0678d210d0a365fc9ac974a8f543627c7298563943d9fa5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking downcast-rs v1.1.1
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]     Checking piston-float v1.0.0
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]    Compiling vulkano v0.19.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking slotmap v0.4.0
[INFO] [stderr]     Checking mopa v0.2.2
[INFO] [stderr]     Checking atom v0.3.5
[INFO] [stderr]     Checking half v1.6.0
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking vk-sys v0.5.2
[INFO] [stderr]     Checking RustyXML v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling indexmap v1.4.0
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]     Checking generational-arena v0.2.8
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking assets_manager v0.2.2
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]     Checking vecmath v1.0.0
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]    Compiling shaderc-sys v0.6.2
[INFO] [stderr]     Checking arrayvec v0.4.12
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling lexical-core v0.4.6
[INFO] [stderr]    Compiling lexical v2.2.2
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking quaternion v0.4.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]     Checking wayland-sys v0.23.6
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]    Compiling cpal v0.11.0
[INFO] [stderr]     Checking instant v0.1.4
[INFO] [stderr]     Checking collada v0.12.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.2
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking num-integer v0.1.42
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking rusttype v0.8.3
[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=93ef00ecad5107a3 -C extra-filename=-93ef00ecad5107a3 --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-049de27202ff6551.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" "09ad84db28ec3e77f0678d210d0a365fc9ac974a8f543627c7298563943d9fa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09ad84db28ec3e77f0678d210d0a365fc9ac974a8f543627c7298563943d9fa5", kill_on_drop: false }`
[INFO] [stdout] 09ad84db28ec3e77f0678d210d0a365fc9ac974a8f543627c7298563943d9fa5