[INFO] cloning repository https://github.com/gwilherm/sixtyfps-tutorial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gwilherm/sixtyfps-tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgwilherm%2Fsixtyfps-tutorial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgwilherm%2Fsixtyfps-tutorial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 77c6ea6592719b3dfdd211b9374700bd6076039e
[INFO] testing gwilherm/sixtyfps-tutorial against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgwilherm%2Fsixtyfps-tutorial" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gwilherm/sixtyfps-tutorial on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gwilherm/sixtyfps-tutorial
[INFO] finished tweaking git repo https://github.com/gwilherm/sixtyfps-tutorial
[INFO] tweaked toml for git repo https://github.com/gwilherm/sixtyfps-tutorial written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/gwilherm/sixtyfps-tutorial 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" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: file `/workspace/builds/worker-4-tc1/source/src/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `lib` target `memory`
[INFO] [stderr]   * `bin` target `memory`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded const-field-offset-macro v0.1.2
[INFO] [stderr]   Downloaded sixtyfps-rendering-backend-default v0.1.5
[INFO] [stderr]   Downloaded vtable-macro v0.1.4
[INFO] [stderr]   Downloaded const-field-offset v0.1.2
[INFO] [stderr]   Downloaded vtable v0.1.4
[INFO] [stderr]   Downloaded sixtyfps-rendering-backend-qt v0.1.5
[INFO] [stderr]   Downloaded sixtyfps-corelib-macros v0.1.5
[INFO] [stderr]   Downloaded sixtyfps v0.1.5
[INFO] [stderr]   Downloaded by_address v1.0.4
[INFO] [stderr]   Downloaded smol_str v0.1.21
[INFO] [stderr]   Downloaded cpp_macros v0.5.6
[INFO] [stderr]   Downloaded sixtyfps-macros v0.1.5
[INFO] [stderr]   Downloaded cpp_common v0.5.6
[INFO] [stderr]   Downloaded cpp v0.5.6
[INFO] [stderr]   Downloaded triomphe v0.1.5
[INFO] [stderr]   Downloaded ouroboros_macro v0.12.0
[INFO] [stderr]   Downloaded svgtypes v0.8.0
[INFO] [stderr]   Downloaded codemap-diagnostic v0.1.1
[INFO] [stderr]   Downloaded rowan v0.14.1
[INFO] [stderr]   Downloaded lyon_svg v0.17.2
[INFO] [stderr]   Downloaded png v0.17.2
[INFO] [stderr]   Downloaded rgb v0.8.31
[INFO] [stderr]   Downloaded sixtyfps-compilerlib v0.1.5
[INFO] [stderr]   Downloaded tiny-skia v0.6.2
[INFO] [stderr]   Downloaded sixtyfps-rendering-backend-gl v0.1.5
[INFO] [stderr]   Downloaded imgref v1.9.1
[INFO] [stderr]   Downloaded ouroboros v0.12.0
[INFO] [stderr]   Downloaded sixtyfps-corelib v0.1.5
[INFO] [stderr]   Downloaded cmake v0.1.47
[INFO] [stderr]   Downloaded cpp_build v0.5.6
[INFO] [stderr]   Downloaded qttypes v0.2.6
[INFO] [stderr]   Downloaded femtovg v0.2.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29a5a798c1bbeed3f5b906b73d0557aef03b2cc5d8dea1d609509603d8a8ad5b
[INFO] running `Command { std: "docker" "start" "-a" "29a5a798c1bbeed3f5b906b73d0557aef03b2cc5d8dea1d609509603d8a8ad5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29a5a798c1bbeed3f5b906b73d0557aef03b2cc5d8dea1d609509603d8a8ad5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29a5a798c1bbeed3f5b906b73d0557aef03b2cc5d8dea1d609509603d8a8ad5b", kill_on_drop: false }`
[INFO] [stdout] 29a5a798c1bbeed3f5b906b73d0557aef03b2cc5d8dea1d609509603d8a8ad5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f118587dbda4ca920b8296d2096f1c502d0fa38b1897eaf1c2b7fac1f10a4ced
[INFO] running `Command { std: "docker" "start" "-a" "f118587dbda4ca920b8296d2096f1c502d0fa38b1897eaf1c2b7fac1f10a4ced", kill_on_drop: false }`
[INFO] [stderr] warning: file `/opt/rustwide/workdir/src/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `lib` target `memory`
[INFO] [stderr]   * `bin` target `memory`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v1.0.84
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling bytemuck v1.7.3
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling crc32fast v1.3.0
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling ttf-parser v0.12.3
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling unicode-general-category v0.4.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling cmake v0.1.47
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling unicode-bidi v0.3.7
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling rgb v0.8.31
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling memmap2 v0.5.0
[INFO] [stderr]    Compiling unicode-bidi-mirroring v0.1.0
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling unicode-ccc v0.1.2
[INFO] [stderr]    Compiling unicode-script v0.5.4
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-korean v1.20141219.5
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]    Compiling euclid v0.22.6
[INFO] [stderr]    Compiling encoding-index-japanese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling float-cmp v0.9.0
[INFO] [stderr]    Compiling siphasher v0.3.7
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling xmlparser v0.13.3
[INFO] [stderr]    Compiling encoding v0.2.33
[INFO] [stderr]    Compiling kurbo v0.8.3
[INFO] [stderr]    Compiling svgtypes v0.8.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling field-offset v0.3.4
[INFO] [stderr]    Compiling flate2 v1.0.22
[INFO] [stderr]    Compiling rustybuzz v0.4.0
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling data-url v0.1.1
[INFO] [stderr]    Compiling simplecss v0.2.1
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling roxmltree v0.14.1
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling lyon_geom v0.17.6
[INFO] [stderr]    Compiling deflate v0.9.1
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling rctree v0.4.0
[INFO] [stderr]    Compiling pico-args v0.4.2
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling unicode-vo v0.1.0
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling png v0.17.2
[INFO] [stderr]    Compiling lyon_path v0.17.7
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling freetype-sys v0.13.1
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quick-xml v0.22.0
[INFO] [stderr]    Compiling x11-dl v2.19.1
[INFO] [stderr]    Compiling auto_enums_derive v0.7.12
[INFO] [stderr]    Compiling safe_arch v0.5.2
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling if_rust_version v1.0.0
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling xcb v0.10.1
[INFO] [stderr]    Compiling tiny-skia v0.6.2
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling cty v0.2.2
[INFO] [stderr]    Compiling once_cell v1.9.0
[INFO] [stderr]    Compiling tinyvec v1.5.1
[INFO] [stderr]    Compiling raw-window-handle v0.4.2
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.7
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.5
[INFO] [stderr]    Compiling crossbeam v0.8.1
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling sid v0.6.1
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling servo-fontconfig-sys v5.1.0
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling weezl v0.1.5
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling winit v0.25.0
[INFO] [stderr]    Compiling cpp_common v0.5.6
[INFO] [stderr]    Compiling cpp_build v0.5.6
[INFO] [stderr]    Compiling derive_utils v0.11.2
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling mio-misc v1.2.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling lyon_algorithms v0.17.7
[INFO] [stderr]    Compiling raw-window-handle v0.3.4
[INFO] [stderr]    Compiling fontdb v0.7.0
[INFO] [stderr]    Compiling shared_library v0.1.9
[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/1871252fc8bb672d40787e67404e6eaae7059369/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syn-1.0.84/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --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"' --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=f2c0d6dfe2192554 -C extra-filename=-f2c0d6dfe2192554 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-92314b65c2eeb2e9.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-26f4cc186a072c21.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-b11525fba24dfc5c.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" "f118587dbda4ca920b8296d2096f1c502d0fa38b1897eaf1c2b7fac1f10a4ced", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f118587dbda4ca920b8296d2096f1c502d0fa38b1897eaf1c2b7fac1f10a4ced", kill_on_drop: false }`
[INFO] [stdout] f118587dbda4ca920b8296d2096f1c502d0fa38b1897eaf1c2b7fac1f10a4ced