[INFO] cloning repository https://github.com/ticky/feed-refurb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ticky/feed-refurb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fticky%2Ffeed-refurb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fticky%2Ffeed-refurb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cb11d002ec5d1662eb7ec7e3944a6ff019a5c9a8
[INFO] testing ticky/feed-refurb against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fticky%2Ffeed-refurb" "/workspace/builds/worker-24/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-24/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ticky/feed-refurb on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-24/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/ticky/feed-refurb
[INFO] finished tweaking git repo https://github.com/ticky/feed-refurb
[INFO] tweaked toml for git repo https://github.com/ticky/feed-refurb written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] crate git repo https://github.com/ticky/feed-refurb already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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 pear_codegen v0.0.20
[INFO] [stderr]   Downloaded libflate v0.1.16
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.6
[INFO] [stderr]   Downloaded serde_derive v1.0.76
[INFO] [stderr]   Downloaded schannel v0.1.13
[INFO] [stderr]   Downloaded tokio v0.1.8
[INFO] [stderr]   Downloaded http-muncher v0.3.2
[INFO] [stderr]   Downloaded tokio-uds v0.2.1
[INFO] [stderr]   Downloaded proc-macro2 v0.4.16
[INFO] [stderr]   Downloaded parking_lot_core v0.3.0
[INFO] [stderr]   Downloaded kuchiki v0.7.2
[INFO] [stderr]   Downloaded cssparser-macros v0.3.4
[INFO] [stderr]   Downloaded tokio-current-thread v0.1.1
[INFO] [stderr]   Downloaded mime v0.3.9
[INFO] [stderr]   Downloaded rss v1.5.0
[INFO] [stderr]   Downloaded rocket_contrib v0.3.16
[INFO] [stderr]   Downloaded tokio-reactor v0.1.5
[INFO] [stderr]   Downloaded rocket_codegen v0.3.16
[INFO] [stderr]   Downloaded quick-xml v0.12.3
[INFO] [stderr]   Downloaded cssparser v0.24.0
[INFO] [stderr]   Downloaded mockito v0.12.0
[INFO] [stderr]   Downloaded encoding_rs v0.8.6
[INFO] [stderr]   Downloaded rocket v0.3.16
[INFO] [stderr]   Downloaded pear v0.0.20
[INFO] [stderr]   Downloaded handlebars v0.28.3
[INFO] [stderr]   Downloaded tokio-executor v0.1.4
[INFO] [stderr]   Downloaded tokio-timer v0.2.6
[INFO] [stderr]   Downloaded serde_json v1.0.26
[INFO] [stderr]   Downloaded serde v1.0.76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f15aab9b1b0130f24833409f7689112cbca7da583f2c608246570e8b804dc23
[INFO] running `Command { std: "docker" "start" "-a" "4f15aab9b1b0130f24833409f7689112cbca7da583f2c608246570e8b804dc23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f15aab9b1b0130f24833409f7689112cbca7da583f2c608246570e8b804dc23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f15aab9b1b0130f24833409f7689112cbca7da583f2c608246570e8b804dc23", kill_on_drop: false }`
[INFO] [stdout] 4f15aab9b1b0130f24833409f7689112cbca7da583f2c608246570e8b804dc23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8d2ff5d433a35d52f61705ac4841fb05299f900bf945f695665837ff90ad090
[INFO] running `Command { std: "docker" "start" "-a" "f8d2ff5d433a35d52f61705ac4841fb05299f900bf945f695665837ff90ad090", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling cfg-if v0.1.5
[INFO] [stderr]    Compiling rand_core v0.2.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling byteorder v1.2.6
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling futures v0.1.23
[INFO] [stderr]    Compiling proc-macro2 v0.4.16
[INFO] [stderr]    Compiling serde v1.0.76
[INFO] [stderr]    Compiling cc v1.0.23
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling crossbeam-utils v0.5.0
[INFO] [stderr]    Compiling slab v0.4.1
[INFO] [stderr]    Compiling itoa v0.4.2
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling yansi v0.4.0
[INFO] [stderr]    Compiling httparse v1.3.2
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.7
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]    Compiling dtoa v0.4.3
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling scoped-tls v0.1.2
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling try-lock v0.1.0
[INFO] [stderr]    Compiling utf-8 v0.7.4
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]    Compiling procedural-masquerade v0.1.6
[INFO] [stderr]    Compiling untrusted v0.5.1
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling derive_builder v0.5.1
[INFO] [stderr]    Compiling ordermap v0.2.13
[INFO] [stderr]    Compiling rayon v1.0.2
[INFO] [stderr]    Compiling thin-slice v0.1.1
[INFO] [stderr]    Compiling pear v0.0.20
[INFO] [stderr]    Compiling utf8-ranges v1.0.1
[INFO] [stderr]    Compiling adler32 v1.0.3
[INFO] [stderr]    Compiling state v0.4.1
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling pest v0.3.3
[INFO] [stderr]    Compiling feed-refurb-web v0.1.0 (/opt/rustwide/workdir/feed-refurb-web)
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling log v0.4.5
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling encoding_rs v0.8.6
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling dtoa-short v0.3.2
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling servo_arc v0.1.1
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling unicase v2.1.0
[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-0.13.11/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"' -C metadata=184cc903caf0bcaa -C extra-filename=-184cc903caf0bcaa --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-db05522d9b500390.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-21abc7bf4f35efe6.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-09e70e8bcc039b17.rmeta --cap-lints allow --cap-lints=warn` (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" "f8d2ff5d433a35d52f61705ac4841fb05299f900bf945f695665837ff90ad090", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8d2ff5d433a35d52f61705ac4841fb05299f900bf945f695665837ff90ad090", kill_on_drop: false }`
[INFO] [stdout] f8d2ff5d433a35d52f61705ac4841fb05299f900bf945f695665837ff90ad090