[INFO] fetching crate ilmenite 0.2.0...
[INFO] checking ilmenite-0.2.0 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate ilmenite 0.2.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate ilmenite 0.2.0 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ilmenite 0.2.0
[INFO] finished tweaking crates.io crate ilmenite 0.2.0
[INFO] tweaked toml for crates.io crate ilmenite 0.2.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded alloc-stdlib v0.2.1
[INFO] [stderr]   Downloaded brotli-decompressor v2.3.1
[INFO] [stderr]   Downloaded unicode-joining-type v0.4.0
[INFO] [stderr]   Downloaded glyph-names v0.1.0
[INFO] [stderr]   Downloaded alloc-no-stdlib v2.0.1
[INFO] [stderr]   Downloaded allsorts v0.5.1
[INFO] [stderr]   Downloaded unicode-general-category v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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] 54f9e3a2586381e6efe93378951d4192947c81719e72cfbc5bfdd64e29c3b169
[INFO] running `Command { std: "docker" "start" "-a" "54f9e3a2586381e6efe93378951d4192947c81719e72cfbc5bfdd64e29c3b169", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54f9e3a2586381e6efe93378951d4192947c81719e72cfbc5bfdd64e29c3b169", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54f9e3a2586381e6efe93378951d4192947c81719e72cfbc5bfdd64e29c3b169", kill_on_drop: false }`
[INFO] [stdout] 54f9e3a2586381e6efe93378951d4192947c81719e72cfbc5bfdd64e29c3b169
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c24c84ce8fb89de97d1834c91ef325445fd6e7288eae3535878f00cc4df20161
[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" "c24c84ce8fb89de97d1834c91ef325445fd6e7288eae3535878f00cc4df20161", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling unicode-joining-type v0.4.0
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.1
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling unicode-general-category v0.3.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling vulkano v0.20.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking glyph-names v0.1.0
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking ucd-trie v0.1.3
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking vk-sys v0.5.3
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking bitreader v0.3.3
[INFO] [stderr]     Checking lock_api v0.4.3
[INFO] [stderr]     Checking tinyvec v1.2.0
[INFO] [stderr]     Checking alloc-stdlib v0.2.1
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking brotli-decompressor v2.3.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling shaderc-sys v0.6.3
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking crossbeam-epoch v0.9.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking crossbeam-queue v0.3.1
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking crossbeam v0.8.0
[INFO] [stderr]     Checking ordered-float v2.1.1
[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-1.0.69/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="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=03f9b4a99bdb5d5f -C extra-filename=-03f9b4a99bdb5d5f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-32a461668e4c2f4b.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-5f2a98a903f1d830.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-4182131ee577b5da.rmeta --cap-lints allow --cap-lints=forbid` (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" "c24c84ce8fb89de97d1834c91ef325445fd6e7288eae3535878f00cc4df20161", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c24c84ce8fb89de97d1834c91ef325445fd6e7288eae3535878f00cc4df20161", kill_on_drop: false }`
[INFO] [stdout] c24c84ce8fb89de97d1834c91ef325445fd6e7288eae3535878f00cc4df20161