[INFO] cloning repository https://github.com/vulkano-rs/vulkano-www
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vulkano-rs/vulkano-www" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvulkano-rs%2Fvulkano-www", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvulkano-rs%2Fvulkano-www'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7490b5470cd23d7e0d015f787116eacd8f895044
[INFO] checking vulkano-rs/vulkano-www against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvulkano-rs%2Fvulkano-www" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vulkano-rs/vulkano-www on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vulkano-rs/vulkano-www
[INFO] finished tweaking git repo https://github.com/vulkano-rs/vulkano-www
[INFO] tweaked toml for git repo https://github.com/vulkano-rs/vulkano-www written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/vulkano-rs/vulkano-www already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vulkano-shaders v0.18.0
[INFO] [stderr]   Downloaded gzip-header v0.3.0
[INFO] [stderr]   Downloaded filetime v0.2.6
[INFO] [stderr]   Downloaded ascii v0.8.7
[INFO] [stderr]   Downloaded tiny_http v0.6.2
[INFO] [stderr]   Downloaded deflate v0.8.3
[INFO] [stderr]   Downloaded half v1.5.0
[INFO] [stderr]   Downloaded vulkano v0.18.0
[INFO] [stderr]   Downloaded png v0.16.1
[INFO] [stderr]   Downloaded image v0.23.2
[INFO] [stderr]   Downloaded rouille v3.0.0
[INFO] [stderr]   Downloaded crossbeam v0.7.1
[INFO] [stderr]   Downloaded vk-sys v0.5.1
[INFO] [stderr]   Downloaded multipart v0.15.4
[INFO] [stderr]   Downloaded shaderc v0.6.1
[INFO] [stderr]   Downloaded shaderc-sys v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66532b403eb1e4c14b77a2054078b495997e55c864125449c499dd57d20cc518
[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" "66532b403eb1e4c14b77a2054078b495997e55c864125449c499dd57d20cc518", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66532b403eb1e4c14b77a2054078b495997e55c864125449c499dd57d20cc518", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66532b403eb1e4c14b77a2054078b495997e55c864125449c499dd57d20cc518", kill_on_drop: false }`
[INFO] [stdout] 66532b403eb1e4c14b77a2054078b495997e55c864125449c499dd57d20cc518
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c85c7e85e34c7b9eb9bf54f681eb58b71daa919eedb480c9f7d65ff3e73b941
[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" "8c85c7e85e34c7b9eb9bf54f681eb58b71daa919eedb480c9f7d65ff3e73b941", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking safemem v0.3.0
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking chunked_transfer v0.3.1
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]    Compiling pulldown-cmark v0.7.0
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]    Compiling vulkano v0.18.0
[INFO] [stderr]     Checking vk-sys v0.5.1
[INFO] [stderr]     Checking half v1.5.0
[INFO] [stderr]     Checking bytemuck v1.2.0
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling cmake v0.1.40
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking gif v0.10.2
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking getopts v0.2.19
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]     Checking deflate v0.8.3
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking gzip-header v0.3.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking crossbeam-channel v0.3.8
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking png v0.16.1
[INFO] [stderr]    Compiling shaderc-sys v0.6.1
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking mustache v0.9.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking tiff v0.4.0
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking filetime v0.2.6
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking rayon-core v1.5.0
[INFO] [stderr]     Checking crossbeam v0.7.1
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking rayon v1.1.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking tiny_http v0.6.2
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v1.8.7
[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-0.15.39/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="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=bf560a3ecc6c606b -C extra-filename=-bf560a3ecc6c606b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-50111b8f7188482d.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-a63751869a2c6219.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-a81338cd23b23cba.rmeta --cap-lints allow --cap-lints=forbid --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` (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" "8c85c7e85e34c7b9eb9bf54f681eb58b71daa919eedb480c9f7d65ff3e73b941", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c85c7e85e34c7b9eb9bf54f681eb58b71daa919eedb480c9f7d65ff3e73b941", kill_on_drop: false }`
[INFO] [stdout] 8c85c7e85e34c7b9eb9bf54f681eb58b71daa919eedb480c9f7d65ff3e73b941