[INFO] cloning repository https://github.com/bcongdon/rssfilter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bcongdon/rssfilter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbcongdon%2Frssfilter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbcongdon%2Frssfilter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bd4985dcb9ef7f17b84b801b417bd724188d4444
[INFO] checking bcongdon/rssfilter against master#7a8636c843bd24038fe1d1f69b4a8e4b0ea55d4e for pr-102091
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbcongdon%2Frssfilter" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bcongdon/rssfilter on toolchain 7a8636c843bd24038fe1d1f69b4a8e4b0ea55d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7a8636c843bd24038fe1d1f69b4a8e4b0ea55d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bcongdon/rssfilter
[INFO] finished tweaking git repo https://github.com/bcongdon/rssfilter
[INFO] tweaked toml for git repo https://github.com/bcongdon/rssfilter written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7a8636c843bd24038fe1d1f69b4a8e4b0ea55d4e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7a8636c843bd24038fe1d1f69b4a8e4b0ea55d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded either v1.8.0
[INFO] [stderr]   Downloaded generic-array v0.14.6
[INFO] [stderr]   Downloaded pear v0.1.5
[INFO] [stderr]   Downloaded devise v0.2.1
[INFO] [stderr]   Downloaded cookie v0.11.4
[INFO] [stderr]   Downloaded rocket_contrib v0.4.11
[INFO] [stderr]   Downloaded aho-corasick v0.7.19
[INFO] [stderr]   Downloaded derive_builder_core v0.2.0
[INFO] [stderr]   Downloaded devise_codegen v0.2.1
[INFO] [stderr]   Downloaded devise_core v0.2.1
[INFO] [stderr]   Downloaded rand_core v0.6.4
[INFO] [stderr]   Downloaded cpufeatures v0.2.5
[INFO] [stderr]   Downloaded pear_codegen v0.1.5
[INFO] [stderr]   Downloaded unicode-xid v0.2.4
[INFO] [stderr]   Downloaded derive_builder_core v0.9.0
[INFO] [stderr]   Downloaded rocket v0.4.11
[INFO] [stderr]   Downloaded hyper v0.12.36
[INFO] [stderr]   Downloaded rocket_codegen v0.4.11
[INFO] [stderr]   Downloaded quick-xml v0.12.4
[INFO] [stderr]   Downloaded rocket_http v0.4.11
[INFO] [stderr]   Downloaded crossbeam-deque v0.7.4
[INFO] [stderr]   Downloaded rss v1.9.0
[INFO] [stderr]   Downloaded derive_builder v0.9.0
[INFO] [stderr]   Downloaded publicsuffix v1.5.6
[INFO] [stderr]   Downloaded state v0.4.2
[INFO] [stderr]   Downloaded derive_builder v0.5.1
[INFO] [stderr]   Downloaded atom_syndication v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:06bd2dc561ac9b9120e7d8112cca06cd3b1bded0ddb8515a4f6a39439d56c944" "/opt/rustwide/cargo-home/bin/cargo" "+7a8636c843bd24038fe1d1f69b4a8e4b0ea55d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be414866027c4b699dd8376a4197dcf8c10e5ffeb90ee752619855c963027eee
[INFO] running `Command { std: "docker" "start" "-a" "be414866027c4b699dd8376a4197dcf8c10e5ffeb90ee752619855c963027eee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be414866027c4b699dd8376a4197dcf8c10e5ffeb90ee752619855c963027eee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be414866027c4b699dd8376a4197dcf8c10e5ffeb90ee752619855c963027eee", kill_on_drop: false }`
[INFO] [stdout] be414866027c4b699dd8376a4197dcf8c10e5ffeb90ee752619855c963027eee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "RUSTDOCFLAGS=--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@sha256:06bd2dc561ac9b9120e7d8112cca06cd3b1bded0ddb8515a4f6a39439d56c944" "/opt/rustwide/cargo-home/bin/cargo" "+7a8636c843bd24038fe1d1f69b4a8e4b0ea55d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f561c23c394147f0821605590a51899a1c4eb98dd5ff58da7a7c0105ec55528e
[INFO] running `Command { std: "docker" "start" "-a" "f561c23c394147f0821605590a51899a1c4eb98dd5ff58da7a7c0105ec55528e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.133
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.100
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]    Compiling yansi v0.5.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling cipher v0.2.5
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]    Compiling pear_codegen v0.1.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling universal-hash v0.4.1
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling backtrace v0.3.66
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling cpuid-bool v0.2.0
[INFO] [stderr]     Checking gimli v0.26.2
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling polyval v0.4.5
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling aes-soft v0.6.4
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]    Compiling openssl-sys v0.9.75
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling crypto-mac v0.10.1
[INFO] [stderr]     Checking object v0.29.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]    Compiling hmac v0.10.1
[INFO] [stderr]    Compiling aes v0.6.0
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]    Compiling ghash v0.3.1
[INFO] [stderr]    Compiling ctr v0.6.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling aead v0.3.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling rand_pcg 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="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit-mut"' -C metadata=dbcc06cc530f89eb -C extra-filename=-dbcc06cc530f89eb --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-da4bcb074ffb1a47.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-ca674b7f777c25be.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-17df5e5ca0bb5bda.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] running `Command { std: "docker" "inspect" "f561c23c394147f0821605590a51899a1c4eb98dd5ff58da7a7c0105ec55528e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f561c23c394147f0821605590a51899a1c4eb98dd5ff58da7a7c0105ec55528e", kill_on_drop: false }`
[INFO] [stdout] f561c23c394147f0821605590a51899a1c4eb98dd5ff58da7a7c0105ec55528e