[INFO] fetching crate rust-life 0.2.12...
[INFO] testing rust-life-0.2.12 against 1.60.0 for beta-1.61-1
[INFO] extracting crate rust-life 0.2.12 into /workspace/builds/worker-50/source
[INFO] validating manifest of crates.io crate rust-life 0.2.12 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust-life 0.2.12
[INFO] finished tweaking crates.io crate rust-life 0.2.12
[INFO] tweaked toml for crates.io crate rust-life 0.2.12 written to /workspace/builds/worker-50/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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 pistoncore-window v0.35.0
[INFO] [stderr]   Downloaded piston-viewport v0.5.0
[INFO] [stderr]   Downloaded piston-gfx_texture v0.35.0
[INFO] [stderr]   Downloaded image v0.21.3
[INFO] [stderr]   Downloaded pistoncore-event_loop v0.40.0
[INFO] [stderr]   Downloaded gfx_gl v0.5.0
[INFO] [stderr]   Downloaded gfx_device_gl v0.15.5
[INFO] [stderr]   Downloaded piston-shaders_graphics2d v0.3.1
[INFO] [stderr]   Downloaded khronos_api v2.2.0
[INFO] [stderr]   Downloaded gl_generator v0.9.0
[INFO] [stderr]   Downloaded tiff v0.2.2
[INFO] [stderr]   Downloaded piston2d-gfx_graphics v0.56.0
[INFO] [stderr]   Downloaded read_color v1.0.0
[INFO] [stderr]   Downloaded piston-float v0.3.0
[INFO] [stderr]   Downloaded vecmath v0.3.1
[INFO] [stderr]   Downloaded winit v0.18.1
[INFO] [stderr]   Downloaded gfx v0.17.1
[INFO] [stderr]   Downloaded piston v0.40.0
[INFO] [stderr]   Downloaded gfx_core v0.8.3
[INFO] [stderr]   Downloaded png v0.14.1
[INFO] [stderr]   Downloaded piston-texture v0.6.0
[INFO] [stderr]   Downloaded pistoncore-input v0.23.0
[INFO] [stderr]   Downloaded gl v0.11.0
[INFO] [stderr]   Downloaded piston2d-graphics v0.30.0
[INFO] [stderr]   Downloaded gl_generator v0.10.0
[INFO] [stderr]   Downloaded glutin v0.19.0
[INFO] [stderr]   Downloaded pistoncore-glutin_window v0.52.0
[INFO] [stderr]   Downloaded shader_version v0.3.0
[INFO] [stderr]   Downloaded piston_window v0.87.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c29ce85de8cf82285987873bd8d4f03fc936c29dac710097d38a4a378c7eeb70
[INFO] running `Command { std: "docker" "start" "-a" "c29ce85de8cf82285987873bd8d4f03fc936c29dac710097d38a4a378c7eeb70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c29ce85de8cf82285987873bd8d4f03fc936c29dac710097d38a4a378c7eeb70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c29ce85de8cf82285987873bd8d4f03fc936c29dac710097d38a4a378c7eeb70", kill_on_drop: false }`
[INFO] [stdout] c29ce85de8cf82285987873bd8d4f03fc936c29dac710097d38a4a378c7eeb70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bfc8ba1f82aaf1779d9627f0aebd2cb1f563290a71e6898e346cb74667a266c
[INFO] running `Command { std: "docker" "start" "-a" "4bfc8ba1f82aaf1779d9627f0aebd2cb1f563290a71e6898e346cb74667a266c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling piston-float v0.3.0
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling khronos_api v2.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling shader_version v0.3.0
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling piston-texture v0.6.0
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling read_color v1.0.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling interpolation v0.2.0
[INFO] [stderr]    Compiling piston-shaders_graphics2d v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling stb_truetype v0.3.1
[INFO] [stderr]    Compiling libloading v0.6.7
[INFO] [stderr]    Compiling draw_state v0.8.0
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling piston-viewport v0.5.0
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling vecmath v0.3.1
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling gif v0.10.3
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling dlib v0.4.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]    Compiling wayland-sys v0.21.13
[INFO] [stderr]    Compiling crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling x11-dl v2.19.1
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]    Compiling dirs-sys v0.3.7
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling dirs v4.0.0
[INFO] [stderr]    Compiling gfx_gl v0.5.0
[INFO] [stderr]    Compiling xdg v2.4.1
[INFO] [stderr]    Compiling glutin v0.19.0
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]    Compiling ordered-float v1.1.1
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling line_drawing v0.7.0
[INFO] [stderr]    Compiling rusttype v0.8.3
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling wayland-client v0.21.13
[INFO] [stderr]    Compiling wayland-protocols v0.21.13
[INFO] [stderr]    Compiling wayland-commons v0.21.13
[INFO] [stderr]    Compiling rusttype v0.7.9
[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-0.15.44/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="extra-traits"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=89aae962aa85e299 -C extra-filename=-89aae962aa85e299 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-6bd1fb196dd305d0.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-12400374acc6f248.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-4e178870196d207c.rmeta --cap-lints allow --cap-lints=warn --cfg syn_can_match_trailing_dollar --cfg syn_can_use_thread_id --cfg syn_can_use_associated_constants --cfg syn_can_call_macro_by_path --cfg syn_disable_nightly_tests` (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" "4bfc8ba1f82aaf1779d9627f0aebd2cb1f563290a71e6898e346cb74667a266c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bfc8ba1f82aaf1779d9627f0aebd2cb1f563290a71e6898e346cb74667a266c", kill_on_drop: false }`
[INFO] [stdout] 4bfc8ba1f82aaf1779d9627f0aebd2cb1f563290a71e6898e346cb74667a266c