[INFO] fetching crate phosphor 0.0.1...
[INFO] testing phosphor-0.0.1 against 1.60.0 for beta-1.61-1
[INFO] extracting crate phosphor 0.0.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate phosphor 0.0.1 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 phosphor 0.0.1
[INFO] finished tweaking crates.io crate phosphor 0.0.1
[INFO] tweaked toml for crates.io crate phosphor 0.0.1 written to /workspace/builds/worker-6/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]  Downloading crates ...
[INFO] [stderr]   Downloaded tobj v0.1.12
[INFO] [stderr]   Downloaded nametag v0.0.1
[INFO] [stderr]   Downloaded hemlock v0.0.2
[INFO] [stderr]   Downloaded shaderc v0.6.3
[INFO] [stderr]   Downloaded hashers v1.0.1
[INFO] [stderr]   Downloaded xalloc v0.2.7
[INFO] [stderr]   Downloaded shaderc-sys v0.6.3
[INFO] [stderr]   Downloaded imgui-sys v0.2.0
[INFO] [stderr]   Downloaded rerun_except v0.1.2
[INFO] [stderr]   Downloaded imgui v0.2.1
[INFO] [stderr]   Downloaded vulkano-shaders v0.16.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d63205ba7ab52c46d67cee5b05f4d130a9a57b386323c1d9eeff91277639947c
[INFO] running `Command { std: "docker" "start" "-a" "d63205ba7ab52c46d67cee5b05f4d130a9a57b386323c1d9eeff91277639947c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d63205ba7ab52c46d67cee5b05f4d130a9a57b386323c1d9eeff91277639947c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d63205ba7ab52c46d67cee5b05f4d130a9a57b386323c1d9eeff91277639947c", kill_on_drop: false }`
[INFO] [stdout] d63205ba7ab52c46d67cee5b05f4d130a9a57b386323c1d9eeff91277639947c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0eb34c87afd00447e717abcc7925860721e3f4d2f9144dfc85b34130a39ad9f3
[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" "0eb34c87afd00447e717abcc7925860721e3f4d2f9144dfc85b34130a39ad9f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling cty v0.2.2
[INFO] [stderr]    Compiling cgmath v0.17.0
[INFO] [stderr]    Compiling vulkano v0.16.0
[INFO] [stderr]    Compiling vk-sys v0.5.3
[INFO] [stderr]    Compiling tobj v0.1.12
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling stb_truetype v0.3.1
[INFO] [stderr]    Compiling imgui-sys v0.2.0
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling inflate v0.3.4
[INFO] [stderr]    Compiling gif v0.9.2
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling gif v0.10.3
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]    Compiling shaderc-sys v0.6.3
[INFO] [stderr]    Compiling hashers v1.0.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling raw-window-handle v0.4.3
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling ordered-float v1.1.1
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling line_drawing v0.7.0
[INFO] [stderr]    Compiling crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling png v0.15.3
[INFO] [stderr]    Compiling const-random-macro v0.1.13
[INFO] [stderr]    Compiling raw-window-handle v0.3.4
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling nametag v0.0.1
[INFO] [stderr]    Compiling rusttype v0.8.3
[INFO] [stderr]    Compiling png v0.11.0
[INFO] [stderr]    Compiling num v0.3.1
[INFO] [stderr]    Compiling globset v0.4.8
[INFO] [stderr]    Compiling xalloc v0.2.7
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling rusttype v0.7.9
[INFO] [stderr]    Compiling ignore v0.4.18
[INFO] [stderr]    Compiling const-random v0.1.13
[INFO] [stderr]    Compiling ahash v0.2.19
[INFO] [stderr]    Compiling andrew v0.2.1
[INFO] [stderr]    Compiling hemlock v0.0.2
[INFO] [stderr]    Compiling image v0.18.0
[INFO] [stderr]    Compiling smithay-client-toolkit v0.4.6
[INFO] [stderr]    Compiling rerun_except v0.1.2
[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-0.15.44/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="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' -C metadata=3b2f910220cc6614 -C extra-filename=-3b2f910220cc6614 --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] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: Checking for system installed libraries.  Use --features = build-from-source to disable this behavior
[INFO] [stderr] warning: System installed library not found.  Falling back to build from source
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "0eb34c87afd00447e717abcc7925860721e3f4d2f9144dfc85b34130a39ad9f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0eb34c87afd00447e717abcc7925860721e3f4d2f9144dfc85b34130a39ad9f3", kill_on_drop: false }`
[INFO] [stdout] 0eb34c87afd00447e717abcc7925860721e3f4d2f9144dfc85b34130a39ad9f3