[INFO] cloning repository https://github.com/ctnodnarb/falling_petals
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ctnodnarb/falling_petals" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fctnodnarb%2Ffalling_petals", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fctnodnarb%2Ffalling_petals'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a2d35757d8ca329853efdb3e1dc5fdb860b39218
[INFO] checking ctnodnarb/falling_petals against try#b1375b2484512d46eeace16657e5b4a5450c610b for pr-112743
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fctnodnarb%2Ffalling_petals" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ctnodnarb/falling_petals on toolchain b1375b2484512d46eeace16657e5b4a5450c610b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1375b2484512d46eeace16657e5b4a5450c610b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ctnodnarb/falling_petals
[INFO] finished tweaking git repo https://github.com/ctnodnarb/falling_petals
[INFO] tweaked toml for git repo https://github.com/ctnodnarb/falling_petals written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ctnodnarb/falling_petals already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1375b2484512d46eeace16657e5b4a5450c610b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+b1375b2484512d46eeace16657e5b4a5450c610b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9db741633fbbc53b8b1f8e1d24e818ffabd5d66ff434f9e42c934a2bea01e977
[INFO] running `Command { std: "docker" "start" "-a" "9db741633fbbc53b8b1f8e1d24e818ffabd5d66ff434f9e42c934a2bea01e977", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9db741633fbbc53b8b1f8e1d24e818ffabd5d66ff434f9e42c934a2bea01e977", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9db741633fbbc53b8b1f8e1d24e818ffabd5d66ff434f9e42c934a2bea01e977", kill_on_drop: false }`
[INFO] [stdout] 9db741633fbbc53b8b1f8e1d24e818ffabd5d66ff434f9e42c934a2bea01e977
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+b1375b2484512d46eeace16657e5b4a5450c610b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe3b0c7e6d3b6868fe1382aa92dbb5caa4079a35674e89acf13266ec620a2747
[INFO] running `Command { std: "docker" "start" "-a" "fe3b0c7e6d3b6868fe1382aa92dbb5caa4079a35674e89acf13266ec620a2747", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling syn v1.0.102
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling libm v0.2.5
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking libloading v0.7.3
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]    Compiling futures-core v0.3.24
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.11
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling wayland-scanner v0.29.5
[INFO] [stderr]    Compiling slotmap v1.0.6
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking nix v0.24.2
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]    Compiling khronos-egl v4.1.0
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling anyhow v1.0.65
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]     Checking bytemuck v1.12.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling gimli v0.26.2
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]    Compiling io-lifetimes v1.0.4
[INFO] [stderr]    Compiling ash v0.37.2+1.3.238
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]    Compiling smithay-client-toolkit v0.16.0
[INFO] [stderr]     Checking spirv v0.2.0+1.5.4
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking raw-window-handle v0.5.0
[INFO] [stderr]     Checking xcursor v0.3.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling object v0.29.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking png v0.17.6
[INFO] [stderr]     Checking gpu-descriptor-types v0.1.1
[INFO] [stderr]     Checking gpu-alloc-types v0.2.0
[INFO] [stderr]     Checking strict-num v0.1.0
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking ttf-parser v0.18.1
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling rustix v0.36.7
[INFO] [stderr]     Checking unicode-xid v0.2.4
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]     Checking wayland-commons v0.29.5
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking hexf-parse v0.2.1
[INFO] [stderr]     Checking tiny-skia-path v0.8.2
[INFO] [stderr]     Checking gpu-alloc v0.5.3
[INFO] [stderr]     Checking gpu-descriptor v0.2.3
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling x11-dl v2.20.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking spin v0.9.4
[INFO] [stderr]     Checking memmap2 v0.5.8
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking wgpu-types v0.15.0
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.8
[INFO] [stderr]     Checking weezl v0.1.7
[INFO] [stderr]     Checking glow v0.12.0
[INFO] [stderr]     Checking futures-sink v0.3.24
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stderr]     Checking profiling v1.0.7
[INFO] [stderr]     Checking renderdoc-sys v0.7.1
[INFO] [stderr]    Compiling addr2line v0.17.0
[INFO] [stderr]     Checking tiny-skia v0.8.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking nom8 v0.2.0
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/b1375b2484512d46eeace16657e5b4a5450c610b/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syn-1.0.102/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C opt-level=3 -C embed-bitcode=no -C debug-assertions=on --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit-mut"' -C metadata=68c0ecb75450aaee -C extra-filename=-68c0ecb75450aaee --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-7a6c26644ddb4b30.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-b71ba6bd3ab6bb30.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-790a96a739b4acc5.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "fe3b0c7e6d3b6868fe1382aa92dbb5caa4079a35674e89acf13266ec620a2747", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe3b0c7e6d3b6868fe1382aa92dbb5caa4079a35674e89acf13266ec620a2747", kill_on_drop: false }`
[INFO] [stdout] fe3b0c7e6d3b6868fe1382aa92dbb5caa4079a35674e89acf13266ec620a2747