[INFO] cloning repository https://github.com/kimjy0126/tree-drawer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kimjy0126/tree-drawer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkimjy0126%2Ftree-drawer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkimjy0126%2Ftree-drawer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a0e17f3d236716ee92e7c5c19a0aeb205f253d7b
[INFO] checking kimjy0126/tree-drawer against master#df20355fa9fa5e9fb89be4e4bfee8a643bb7a23e for pr-95474
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkimjy0126%2Ftree-drawer" "/workspace/builds/worker-58/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-58/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kimjy0126/tree-drawer on toolchain df20355fa9fa5e9fb89be4e4bfee8a643bb7a23e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+df20355fa9fa5e9fb89be4e4bfee8a643bb7a23e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kimjy0126/tree-drawer
[INFO] finished tweaking git repo https://github.com/kimjy0126/tree-drawer
[INFO] tweaked toml for git repo https://github.com/kimjy0126/tree-drawer written to /workspace/builds/worker-58/source/Cargo.toml
[INFO] crate git repo https://github.com/kimjy0126/tree-drawer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+df20355fa9fa5e9fb89be4e4bfee8a643bb7a23e" "fetch" "--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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wayland-scanner v0.28.3
[INFO] [stderr]   Downloaded wayland-sys v0.28.3
[INFO] [stderr]   Downloaded wayland-commons v0.28.3
[INFO] [stderr]   Downloaded wayland-client v0.28.3
[INFO] [stderr]   Downloaded piston2d-gfx_graphics v0.72.0
[INFO] [stderr]   Downloaded wayland-egl v0.28.3
[INFO] [stderr]   Downloaded redox_syscall v0.2.5
[INFO] [stderr]   Downloaded smithay-client-toolkit v0.12.2
[INFO] [stderr]   Downloaded find_folder v0.3.0
[INFO] [stderr]   Downloaded bytemuck v1.5.1
[INFO] [stderr]   Downloaded wayland-protocols v0.28.3
[INFO] [stderr]   Downloaded nom v6.1.2
[INFO] [stderr]   Downloaded libc v0.2.86
[INFO] [stderr]   Downloaded piston2d-graphics v0.39.0
[INFO] [stderr]   Downloaded pistoncore-event_loop v0.52.0
[INFO] [stderr]   Downloaded piston v0.52.1
[INFO] [stderr]   Downloaded pistoncore-glutin_window v0.68.0
[INFO] [stderr]   Downloaded piston_window v0.117.0
[INFO] [stderr]   Downloaded image v0.23.13
[INFO] [stderr]   Downloaded piston-gfx_texture v0.41.0
[INFO] [stderr]   Downloaded weezl v0.1.4
[INFO] [stderr]   Downloaded wayland-cursor v0.28.3
[INFO] [stderr]   Downloaded xcursor v0.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+df20355fa9fa5e9fb89be4e4bfee8a643bb7a23e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce3e6237026a692cbabcf0324663c339f252133e5a734e42af3ab8b54c64e45c
[INFO] running `Command { std: "docker" "start" "-a" "ce3e6237026a692cbabcf0324663c339f252133e5a734e42af3ab8b54c64e45c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce3e6237026a692cbabcf0324663c339f252133e5a734e42af3ab8b54c64e45c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce3e6237026a692cbabcf0324663c339f252133e5a734e42af3ab8b54c64e45c", kill_on_drop: false }`
[INFO] [stdout] ce3e6237026a692cbabcf0324663c339f252133e5a734e42af3ab8b54c64e45c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+df20355fa9fa5e9fb89be4e4bfee8a643bb7a23e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42439ac12dc07342d59c7251e043f1aeff9498af7da855fec25e7b4e3ad02ac3
[INFO] running `Command { std: "docker" "start" "-a" "42439ac12dc07342d59c7251e043f1aeff9498af7da855fec25e7b4e3ad02ac3", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking piston-float v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking ttf-parser v0.6.2
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.4
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking piston-graphics_api_version v1.0.0
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking weezl v0.1.4
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking bytemuck v1.5.1
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking piston-texture v0.8.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking read_color v1.0.0
[INFO] [stderr]     Checking interpolation v0.2.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking piston-shaders_graphics2d v0.4.0
[INFO] [stderr]     Checking find_folder v0.3.0
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking piston-viewport v1.0.0
[INFO] [stderr]     Checking vecmath v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking gif v0.11.1
[INFO] [stderr]     Checking shader_version v0.7.0
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]    Compiling wayland-sys v0.28.3
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling wayland-scanner v0.28.3
[INFO] [stderr]     Checking owned_ttf_parser v0.6.0
[INFO] [stderr]     Checking draw_state v0.8.0
[INFO] [stderr] error: could not compile `libc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name libc /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libc-0.2.86/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="extra_traits"' --cfg 'feature="std"' -C metadata=21b41310a6686856 -C extra-filename=-21b41310a6686856 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid --cfg freebsd11 --cfg libc_priv_mod_use --cfg libc_union --cfg libc_const_size_of --cfg libc_align --cfg libc_core_cvoid --cfg libc_packedN --cfg libc_cfg_target_vendor` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "42439ac12dc07342d59c7251e043f1aeff9498af7da855fec25e7b4e3ad02ac3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42439ac12dc07342d59c7251e043f1aeff9498af7da855fec25e7b4e3ad02ac3", kill_on_drop: false }`
[INFO] [stdout] 42439ac12dc07342d59c7251e043f1aeff9498af7da855fec25e7b4e3ad02ac3