[INFO] fetching crate sampicore 0.3.0...
[INFO] testing sampicore-0.3.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate sampicore 0.3.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate sampicore 0.3.0 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-14/source/rust-toolchain
[INFO] started tweaking crates.io crate sampicore 0.3.0
[INFO] finished tweaking crates.io crate sampicore 0.3.0
[INFO] tweaked toml for crates.io crate sampicore 0.3.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate sampicore 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pear v0.1.4
[INFO] [stderr]   Downloaded devise v0.2.0
[INFO] [stderr]   Downloaded cgl v0.3.2
[INFO] [stderr]   Downloaded read_color v1.0.0
[INFO] [stderr]   Downloaded piston v0.53.0
[INFO] [stderr]   Downloaded zvariant_derive v2.7.0
[INFO] [stderr]   Downloaded vecmath v1.0.0
[INFO] [stderr]   Downloaded spin_sleep v1.0.0
[INFO] [stderr]   Downloaded strum v0.8.0
[INFO] [stderr]   Downloaded nb-connect v1.2.0
[INFO] [stderr]   Downloaded gethostname v0.2.1
[INFO] [stderr]   Downloaded clipboard-win v4.2.1
[INFO] [stderr]   Downloaded error-code v2.3.0
[INFO] [stderr]   Downloaded pear_codegen v0.1.4
[INFO] [stderr]   Downloaded strum_macros v0.8.0
[INFO] [stderr]   Downloaded zbus_macros v1.9.1
[INFO] [stderr]   Downloaded mac-notification-sys v0.3.0
[INFO] [stderr]   Downloaded minreq v2.4.2
[INFO] [stderr]   Downloaded winrt-notification v0.2.4
[INFO] [stderr]   Downloaded cocoa v0.23.0
[INFO] [stderr]   Downloaded hyper v0.14.9
[INFO] [stderr]   Downloaded interpolation v0.2.0
[INFO] [stderr]   Downloaded pistoncore-window v0.47.0
[INFO] [stderr]   Downloaded yansi v0.5.0
[INFO] [stderr]   Downloaded rustls-native-certs v0.5.0
[INFO] [stderr]   Downloaded winrt v0.4.0
[INFO] [stderr]   Downloaded core-graphics v0.21.0
[INFO] [stderr]   Downloaded devise_codegen v0.2.0
[INFO] [stderr]   Downloaded confy v0.3.1
[INFO] [stderr]   Downloaded arboard v1.2.1
[INFO] [stderr]   Downloaded directories v0.10.0
[INFO] [stderr]   Downloaded rocket v0.4.10
[INFO] [stderr]   Downloaded tokio v1.6.2
[INFO] [stderr]   Downloaded glutin_emscripten_sys v0.1.1
[INFO] [stderr]   Downloaded glutin_glx_sys v0.1.7
[INFO] [stderr]   Downloaded piston-shaders_graphics2d v0.4.0
[INFO] [stderr]   Downloaded aes-soft v0.6.4
[INFO] [stderr]   Downloaded aes v0.6.0
[INFO] [stderr]   Downloaded state v0.4.2
[INFO] [stderr]   Downloaded ct-logs v0.8.0
[INFO] [stderr]   Downloaded notify-rust v4.5.2
[INFO] [stderr]   Downloaded rusoto_s3 v0.46.0
[INFO] [stderr]   Downloaded scrap v0.5.0
[INFO] [stderr]   Downloaded str-buf v1.0.5
[INFO] [stderr]   Downloaded winapi-wsapoll v0.1.1
[INFO] [stderr]   Downloaded x11rb v0.8.1
[INFO] [stderr]   Downloaded zbus v1.9.1
[INFO] [stderr]   Downloaded async-io v1.4.1
[INFO] [stderr]   Downloaded enumflags2_derive v0.6.4
[INFO] [stderr]   Downloaded enumflags2 v0.6.4
[INFO] [stderr]   Downloaded zvariant v2.7.0
[INFO] [stderr]   Downloaded pistoncore-event_loop v0.53.0
[INFO] [stderr]   Downloaded nom v6.2.0
[INFO] [stderr]   Downloaded piston-graphics_api_version v1.0.0
[INFO] [stderr]   Downloaded ctr v0.6.0
[INFO] [stderr]   Downloaded aes-gcm v0.8.0
[INFO] [stderr]   Downloaded gl_generator v0.14.0
[INFO] [stderr]   Downloaded piston-texture v0.8.0
[INFO] [stderr]   Downloaded gl v0.13.0
[INFO] [stderr]   Downloaded piston2d-graphics v0.40.0
[INFO] [stderr]   Downloaded piston2d-opengl_graphics v0.78.0
[INFO] [stderr]   Downloaded glutin_egl_sys v0.1.5
[INFO] [stderr]   Downloaded glutin_gles2_sys v0.1.5
[INFO] [stderr]   Downloaded glutin_wgl_sys v0.1.5
[INFO] [stderr]   Downloaded wayland-egl v0.28.5
[INFO] [stderr]   Downloaded glutin v0.26.0
[INFO] [stderr]   Downloaded piston-float v1.0.0
[INFO] [stderr]   Downloaded piston-viewport v1.0.0
[INFO] [stderr]   Downloaded pistoncore-input v1.0.0
[INFO] [stderr]   Downloaded shader_version v0.7.0
[INFO] [stderr]   Downloaded pistoncore-glutin_window v0.69.0
[INFO] [stderr]   Downloaded devise_core v0.2.0
[INFO] [stderr]   Downloaded rocket_codegen v0.4.10
[INFO] [stderr]   Downloaded aesni v0.10.0
[INFO] [stderr]   Downloaded hkdf v0.10.0
[INFO] [stderr]   Downloaded cookie v0.11.4
[INFO] [stderr]   Downloaded rocket_http v0.4.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 584291506e01860cfdcbabda517ec17e2256fd05b27daf84a821a2cb914bb1b6
[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" "584291506e01860cfdcbabda517ec17e2256fd05b27daf84a821a2cb914bb1b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "584291506e01860cfdcbabda517ec17e2256fd05b27daf84a821a2cb914bb1b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "584291506e01860cfdcbabda517ec17e2256fd05b27daf84a821a2cb914bb1b6", kill_on_drop: false }`
[INFO] [stdout] 584291506e01860cfdcbabda517ec17e2256fd05b27daf84a821a2cb914bb1b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37060a47da83451cd1f009a47bbb02b6c96c9e34a776dd65fccc4e52107c0227
[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" "37060a47da83451cd1f009a47bbb02b6c96c9e34a776dd65fccc4e52107c0227", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling futures-io v0.3.15
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling yansi v0.5.0
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling ttf-parser v0.6.2
[INFO] [stderr]    Compiling piston-float v1.0.0
[INFO] [stderr]    Compiling ab_glyph_rasterizer v0.1.4
[INFO] [stderr]    Compiling cpufeatures v0.1.4
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling cpuid-bool v0.2.0
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling piston-graphics_api_version v1.0.0
[INFO] [stderr]    Compiling fastrand v1.4.1
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling zeroize v1.3.0
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling openssl-probe v0.1.4
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling read_color v1.0.0
[INFO] [stderr]    Compiling interpolation v0.2.0
[INFO] [stderr]    Compiling scrap v0.5.0
[INFO] [stderr]    Compiling spin_sleep v1.0.0
[INFO] [stderr]    Compiling minreq v2.4.2
[INFO] [stderr]    Compiling piston-texture v0.8.0
[INFO] [stderr]    Compiling block v0.1.6
[INFO] [stderr]    Compiling piston-shaders_graphics2d v0.4.0
[INFO] [stderr]    Compiling directories v0.10.0
[INFO] [stderr]    Compiling libloading v0.7.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling tokio v1.6.2
[INFO] [stderr]    Compiling nom v6.2.0
[INFO] [stderr]    Compiling tracing-core v0.1.18
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling wayland-sys v0.28.5
[INFO] [stderr]    Compiling piston-viewport v1.0.0
[INFO] [stderr]    Compiling vecmath v1.0.0
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling shader_version v0.7.0
[INFO] [stderr]    Compiling pear_codegen v0.1.4
[INFO] [stderr]    Compiling rocket_codegen v0.4.10
[INFO] [stderr]    Compiling rocket v0.4.10
[INFO] [stderr]    Compiling gif v0.11.2
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling http v0.2.4
[INFO] [stderr]    Compiling dlib v0.4.2
[INFO] [stderr]    Compiling dlib v0.5.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]    Compiling rusoto_core v0.46.0
[INFO] [stderr]    Compiling owned_ttf_parser v0.6.0
[INFO] [stderr]    Compiling wayland-scanner v0.28.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling rusttype v0.9.2
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling crypto-mac v0.10.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling cipher v0.2.5
[INFO] [stderr]    Compiling universal-hash v0.4.0
[INFO] [stderr]    Compiling aead v0.3.2
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling andrew v0.3.1
[INFO] [stderr]    Compiling piston2d-graphics v0.40.0
[INFO] [stderr]    Compiling hmac v0.10.1
[INFO] [stderr]    Compiling sha2 v0.9.5
[INFO] [stderr]    Compiling polyval v0.4.5
[INFO] [stderr]    Compiling aes-soft v0.6.4
[INFO] [stderr]    Compiling ctr v0.6.0
[INFO] [stderr]    Compiling hkdf v0.10.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling memmap2 v0.1.0
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling polling v2.1.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling gethostname v0.2.1
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.7
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.5
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling http-body v0.4.2
[INFO] [stderr]    Compiling gl v0.13.0
[INFO] [stderr]    Compiling ghash v0.3.1
[INFO] [stderr]    Compiling aes v0.6.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling hyper v0.10.16
[INFO] [stderr]    Compiling nb-connect v1.2.0
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling directories-next v2.0.0
[INFO] [stderr]    Compiling wayland-client v0.28.5
[INFO] [stderr]    Compiling wayland-protocols v0.28.5
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling xcursor v0.3.3
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling async-io v1.4.1
[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-1.0.73/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=ddde038055a2b76c -C extra-filename=-ddde038055a2b76c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-4fc7cd6531551569.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-222a78d45ac6a98c.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-38987aa89d2b0d41.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" "37060a47da83451cd1f009a47bbb02b6c96c9e34a776dd65fccc4e52107c0227", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37060a47da83451cd1f009a47bbb02b6c96c9e34a776dd65fccc4e52107c0227", kill_on_drop: false }`
[INFO] [stdout] 37060a47da83451cd1f009a47bbb02b6c96c9e34a776dd65fccc4e52107c0227