[INFO] cloning repository https://github.com/j0ni/rife
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/j0ni/rife" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fj0ni%2Frife", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fj0ni%2Frife'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e0f9d0f9460a88d3df4190d3279573562a869873
[INFO] testing j0ni/rife against master#61469b682c2b0bf9cebc4622f1859e2bb3b7ebca for pr-91743
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fj0ni%2Frife" "/workspace/builds/worker-47/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-47/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/j0ni/rife on toolchain 61469b682c2b0bf9cebc4622f1859e2bb3b7ebca
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/j0ni/rife
[INFO] finished tweaking git repo https://github.com/j0ni/rife
[INFO] tweaked toml for git repo https://github.com/j0ni/rife written to /workspace/builds/worker-47/source/Cargo.toml
[INFO] crate git repo https://github.com/j0ni/rife already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "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 gfx_core v0.8.2
[INFO] [stderr]   Downloaded pistoncore-event_loop v0.37.0
[INFO] [stderr]   Downloaded piston_window v0.80.0
[INFO] [stderr]   Downloaded pistoncore-glutin_window v0.47.0
[INFO] [stderr]   Downloaded serde_json v1.0.31
[INFO] [stderr]   Downloaded rayon v1.0.2
[INFO] [stderr]   Downloaded rusttype v0.4.3
[INFO] [stderr]   Downloaded piston-gfx_texture v0.32.0
[INFO] [stderr]   Downloaded piston v0.37.0
[INFO] [stderr]   Downloaded inflate v0.4.3
[INFO] [stderr]   Downloaded stb_truetype v0.2.4
[INFO] [stderr]   Downloaded proc-macro2 v0.4.19
[INFO] [stderr]   Downloaded pistoncore-input v0.21.0
[INFO] [stderr]   Downloaded pistoncore-window v0.32.0
[INFO] [stderr]   Downloaded gleam v0.6.2
[INFO] [stderr]   Downloaded piston2d-gfx_graphics v0.51.0
[INFO] [stderr]   Downloaded ordered-float v0.5.2
[INFO] [stderr]   Downloaded piston2d-graphics v0.26.0
[INFO] [stderr]   Downloaded gfx_device_gl v0.15.3
[INFO] [stderr]   Downloaded syn v0.15.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 085d372eea2123b6f9230792260f039cfa366f622bdc1476937e163767f50fe2
[INFO] running `Command { std: "docker" "start" "-a" "085d372eea2123b6f9230792260f039cfa366f622bdc1476937e163767f50fe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "085d372eea2123b6f9230792260f039cfa366f622bdc1476937e163767f50fe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "085d372eea2123b6f9230792260f039cfa366f622bdc1476937e163767f50fe2", kill_on_drop: false }`
[INFO] [stdout] 085d372eea2123b6f9230792260f039cfa366f622bdc1476937e163767f50fe2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58d002ad67b42c6885f13ad71f74bc9284e0daa396aba116813902e082226e12
[INFO] running `Command { std: "docker" "start" "-a" "58d002ad67b42c6885f13ad71f74bc9284e0daa396aba116813902e082226e12", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling cfg-if v0.1.5
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling proc-macro2 v0.4.19
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling khronos_api v2.2.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling piston-float v0.3.0
[INFO] [stderr]    Compiling byteorder v1.2.6
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling serde v1.0.79
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling token_store v0.1.2
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling rand_core v0.2.1
[INFO] [stderr]    Compiling rayon v1.0.2
[INFO] [stderr]    Compiling adler32 v1.0.3
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling remove_dir_all v0.5.1
[INFO] [stderr]    Compiling shader_version v0.3.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling color_quant v1.0.1
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling piston-texture v0.6.0
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]    Compiling read_color v1.0.0
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling interpolation v0.1.0
[INFO] [stderr]    Compiling piston-shaders_graphics2d v0.3.1
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling log v0.4.5
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling draw_state v0.8.0
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling inflate v0.4.3
[INFO] [stderr]    Compiling itertools v0.5.10
[INFO] [stderr]    Compiling piston-viewport v0.3.0
[INFO] [stderr]    Compiling vecmath v0.3.1
[INFO] [stderr]    Compiling deflate v0.7.18
[INFO] [stderr]    Compiling gif v0.10.0
[INFO] [stderr]    Compiling stb_truetype v0.2.4
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling memmap v0.6.2
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]    Compiling wayland-scanner v0.12.5
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling tempfile v3.0.4
[INFO] [stderr]    Compiling syn v0.15.6
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling serde_json v1.0.31
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling wayland-client v0.12.5
[INFO] [stderr]    Compiling wayland-protocols v0.12.5
[INFO] [stderr]    Compiling glutin v0.14.0
[INFO] [stderr]    Compiling gfx_gl v0.5.0
[INFO] [stderr]    Compiling gl v0.10.0
[INFO] [stderr]    Compiling derivative v1.0.0
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling ordered-float v0.5.2
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.14.9/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 -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' -C metadata=15d96572263a0cb1 -C extra-filename=-15d96572263a0cb1 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-6ce82a432f500550.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-9f3dd482e23c3a89.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-17df5e5ca0bb5bda.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" "58d002ad67b42c6885f13ad71f74bc9284e0daa396aba116813902e082226e12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58d002ad67b42c6885f13ad71f74bc9284e0daa396aba116813902e082226e12", kill_on_drop: false }`
[INFO] [stdout] 58d002ad67b42c6885f13ad71f74bc9284e0daa396aba116813902e082226e12