[INFO] cloning repository https://github.com/pudnax/pilka
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pudnax/pilka" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpudnax%2Fpilka", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpudnax%2Fpilka'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6677737bea6e655a54764ec4ad42bf8b60901eeb
[INFO] checking pudnax/pilka against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpudnax%2Fpilka" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pudnax/pilka on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pudnax/pilka
[INFO] finished tweaking git repo https://github.com/pudnax/pilka
[INFO] tweaked toml for git repo https://github.com/pudnax/pilka written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/pudnax/pilka already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", 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] 37d4af5941d3133ae45a6a8f5fabf6604a00d1185505272552c886e30d943db1
[INFO] running `Command { std: "docker" "start" "-a" "37d4af5941d3133ae45a6a8f5fabf6604a00d1185505272552c886e30d943db1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37d4af5941d3133ae45a6a8f5fabf6604a00d1185505272552c886e30d943db1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37d4af5941d3133ae45a6a8f5fabf6604a00d1185505272552c886e30d943db1", kill_on_drop: false }`
[INFO] [stdout] 37d4af5941d3133ae45a6a8f5fabf6604a00d1185505272552c886e30d943db1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "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] 8ca0aa9985a5e305b887b45deac76b1384c903e00eabbb80bda9f62b30abf484
[INFO] running `Command { std: "docker" "start" "-a" "8ca0aa9985a5e305b887b45deac76b1384c903e00eabbb80bda9f62b30abf484", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.92
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.68
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.4
[INFO] [stderr]    Compiling winit v0.23.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling eyre v0.6.5
[INFO] [stderr]     Checking strength_reduce v0.2.3
[INFO] [stderr]    Compiling cpal v0.13.3
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking owo-colors v1.3.0
[INFO] [stderr]     Checking anymap v0.12.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking libloading v0.7.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling wayland-sys v0.28.5
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking sharded-slab v0.1.1
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling line-wrap v0.1.1
[INFO] [stderr]     Checking ktx v0.3.1
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]     Checking ash v0.32.1
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]     Checking rusttype v0.9.2
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking andrew v0.3.1
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking tracing-subscriber v0.2.17
[INFO] [stderr]    Compiling wayland-scanner v0.28.5
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking transpose v0.2.1
[INFO] [stderr]     Checking primal-check v0.3.1
[INFO] [stderr]     Checking rustfft v5.0.1
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking memmap2 v0.1.0
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking filetime v0.2.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking inotify v0.9.2
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking xcursor v0.3.3
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking notify v5.0.0-pre.6
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling wayland-client v0.28.5
[INFO] [stderr]    Compiling wayland-protocols v0.28.5
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling shaderc-sys v0.7.2
[INFO] [stderr]     Checking calloop v0.6.5
[INFO] [stderr]     Checking wayland-commons v0.28.5
[INFO] [stderr]     Checking alsa v0.5.0
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.68/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' -C metadata=e2821676f7b26bab -C extra-filename=-e2821676f7b26bab --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-32a461668e4c2f4b.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-5f2a98a903f1d830.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-4182131ee577b5da.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: shaderc: searching for native shaderc libraries on system;  use '--features build-from-source' to force building from source code
[INFO] [stderr] warning: shaderc: cannot find native shaderc library on system; falling back to build from source
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "8ca0aa9985a5e305b887b45deac76b1384c903e00eabbb80bda9f62b30abf484", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ca0aa9985a5e305b887b45deac76b1384c903e00eabbb80bda9f62b30abf484", kill_on_drop: false }`
[INFO] [stdout] 8ca0aa9985a5e305b887b45deac76b1384c903e00eabbb80bda9f62b30abf484