[INFO] cloning repository https://github.com/XcaliberRage/guessing_game
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/XcaliberRage/guessing_game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXcaliberRage%2Fguessing_game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXcaliberRage%2Fguessing_game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 66750445b56f28d4aa2bd978b584b31bf3ad3474
[INFO] checking XcaliberRage/guessing_game against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXcaliberRage%2Fguessing_game" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/XcaliberRage/guessing_game on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/XcaliberRage/guessing_game
[INFO] finished tweaking git repo https://github.com/XcaliberRage/guessing_game
[INFO] tweaked toml for git repo https://github.com/XcaliberRage/guessing_game written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/XcaliberRage/guessing_game already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded skeptic v0.13.6
[INFO] [stderr]   Downloaded lyon v0.16.2
[INFO] [stderr]   Downloaded gilrs v0.8.1
[INFO] [stderr]   Downloaded directories v3.0.2
[INFO] [stderr]   Downloaded glyph_brush v0.7.2
[INFO] [stderr]   Downloaded gilrs-core v0.3.1
[INFO] [stderr]   Downloaded glyph_brush_draw_cache v0.1.4
[INFO] [stderr]   Downloaded lyon_algorithms v0.16.0
[INFO] [stderr]   Downloaded lyon_geom v0.16.2
[INFO] [stderr]   Downloaded lyon_tessellation v0.16.2
[INFO] [stderr]   Downloaded ggez v0.6.0-rc1
[INFO] [stderr]   Downloaded old_school_gfx_glutin_ext v0.26.0
[INFO] [stderr]   Downloaded smart-default v0.6.0
[INFO] [stderr]   Downloaded ordered-float v2.2.0
[INFO] [stderr]   Downloaded lyon_path v0.16.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f79179d69fa625ca0a452703bcb9b1e819bbea5ea4adecbc57a3fb87e777679
[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" "2f79179d69fa625ca0a452703bcb9b1e819bbea5ea4adecbc57a3fb87e777679", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f79179d69fa625ca0a452703bcb9b1e819bbea5ea4adecbc57a3fb87e777679", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f79179d69fa625ca0a452703bcb9b1e819bbea5ea4adecbc57a3fb87e777679", kill_on_drop: false }`
[INFO] [stdout] 2f79179d69fa625ca0a452703bcb9b1e819bbea5ea4adecbc57a3fb87e777679
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7504626264147361e50b534c9c34f9879677c2169050ecdabcb764c74456029
[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" "a7504626264147361e50b534c9c34f9879677c2169050ecdabcb764c74456029", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]     Checking ttf-parser v0.12.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking weezl v0.1.5
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking xi-unicode v0.3.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking mint v0.5.6
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking libloading v0.7.0
[INFO] [stderr]    Compiling wayland-sys v0.28.5
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking ogg v0.8.0
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking tinyvec v1.2.0
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking gif v0.11.2
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]     Checking glam v0.12.0
[INFO] [stderr]     Checking crossbeam-utils v0.8.4
[INFO] [stderr]     Checking owned_ttf_parser v0.12.0
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]     Checking euclid v0.22.3
[INFO] [stderr]     Checking sid v0.6.1
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking ordered-float v2.2.0
[INFO] [stderr]     Checking draw_state v0.8.0
[INFO] [stderr]     Checking andrew v0.3.1
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking num-iter v0.1.42
[INFO] [stderr]     Checking lewton v0.10.2
[INFO] [stderr]     Checking crossbeam-epoch v0.9.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking ab_glyph v0.2.10
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]     Checking gfx_core v0.9.2
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking lyon_geom v0.16.2
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking glyph_brush_layout v0.2.1
[INFO] [stderr]    Compiling wayland-scanner v0.28.5
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking nix v0.18.0
[INFO] [stderr]     Checking memmap2 v0.1.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking slice-deque v0.3.0
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]    Compiling gfx_gl v0.6.1
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.5
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.7
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking lyon_path v0.16.2
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking xcursor v0.3.3
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking directories v3.0.2
[INFO] [stderr]     Checking gfx v0.18.2
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking lyon_algorithms v0.16.0
[INFO] [stderr]     Checking lyon_tessellation v0.16.2
[INFO] [stderr]     Checking rayon v1.5.0
[INFO] [stderr] error: could not compile `nix`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name nix --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nix-0.20.0/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=214c79a9e2fdbf64 -C extra-filename=-214c79a9e2fdbf64 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-9b83afd4b2b281df.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-621b92c8c202d759.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-64233933900a2ef1.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" "a7504626264147361e50b534c9c34f9879677c2169050ecdabcb764c74456029", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7504626264147361e50b534c9c34f9879677c2169050ecdabcb764c74456029", kill_on_drop: false }`
[INFO] [stdout] a7504626264147361e50b534c9c34f9879677c2169050ecdabcb764c74456029