[INFO] updating cached repository https://github.com/angelbeshirov/dots-n-boxes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cfbb3cfcbd1f23550763f1808e7af35cfbc5dcdb
[INFO] checking angelbeshirov/dots-n-boxes against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fangelbeshirov%2Fdots-n-boxes" "/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/angelbeshirov/dots-n-boxes on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/angelbeshirov/dots-n-boxes
[INFO] finished tweaking git repo https://github.com/angelbeshirov/dots-n-boxes
[INFO] tweaked toml for git repo https://github.com/angelbeshirov/dots-n-boxes written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/angelbeshirov/dots-n-boxes already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ae10d5e9a4c289998bd4d401a282326faadbafdf4c1bd0d59109af20f5da989
[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" "8ae10d5e9a4c289998bd4d401a282326faadbafdf4c1bd0d59109af20f5da989", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ae10d5e9a4c289998bd4d401a282326faadbafdf4c1bd0d59109af20f5da989", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ae10d5e9a4c289998bd4d401a282326faadbafdf4c1bd0d59109af20f5da989", kill_on_drop: false }`
[INFO] [stdout] 8ae10d5e9a4c289998bd4d401a282326faadbafdf4c1bd0d59109af20f5da989
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a54971dfc263dc724da0a79cb3b50fb087da1cee3514b1bf8358120420a9c43
[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" "9a54971dfc263dc724da0a79cb3b50fb087da1cee3514b1bf8358120420a9c43", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking downcast-rs v1.1.1
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]     Checking atom v0.3.5
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]     Checking copyless v0.1.4
[INFO] [stderr]     Checking mint v0.5.4
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking instant v0.1.2
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking glam v0.8.5
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking podio v0.1.6
[INFO] [stderr]    Compiling cgmath v0.17.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.9
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling minimp3-sys v0.3.1
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking hibitset v0.6.2
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]     Checking draw_state v0.8.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking relevant v0.4.2
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]    Compiling gl_generator v0.11.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking rustc-hash v1.0.1
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking ogg v0.7.0
[INFO] [stderr]     Checking gfx_core v0.9.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking lewton v0.9.4
[INFO] [stderr]     Checking wayland-sys v0.21.13
[INFO] [stderr]     Checking wayland-sys v0.23.6
[INFO] [stderr]     Checking num_cpus v1.12.0
[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 iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking slice-deque v0.2.4
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking nix v0.15.0
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking png v0.15.3
[INFO] [stderr]     Checking freetype v0.4.1
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.0.2
[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 gfx-hal v0.4.1
[INFO] [stderr]     Checking ash v0.29.0
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling rand v0.4.6
[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=26c0126a6784d6de -C extra-filename=-26c0126a6784d6de --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-49772556016eda4a.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-4cb4e0a215a79e72.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-8327bfa1a064e98a.rmeta --extern void=/opt/rustwide/target/debug/deps/libvoid-c23df3f3155d1f44.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" "9a54971dfc263dc724da0a79cb3b50fb087da1cee3514b1bf8358120420a9c43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a54971dfc263dc724da0a79cb3b50fb087da1cee3514b1bf8358120420a9c43", kill_on_drop: false }`
[INFO] [stdout] 9a54971dfc263dc724da0a79cb3b50fb087da1cee3514b1bf8358120420a9c43