[INFO] cloning repository https://github.com/Roysten/radio
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Roysten/radio" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRoysten%2Fradio", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRoysten%2Fradio'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 599907808cac01d58a64d953bd6e371154afb967
[INFO] documenting Roysten/radio against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRoysten%2Fradio" "/workspace/builds/worker-20/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-20/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Roysten/radio on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-20/source/.cargo/config
[INFO] started tweaking git repo https://github.com/Roysten/radio
[INFO] finished tweaking git repo https://github.com/Roysten/radio
[INFO] tweaked toml for git repo https://github.com/Roysten/radio written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate git repo https://github.com/Roysten/radio already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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 actix-server-config v0.1.2
[INFO] [stderr]   Downloaded actix-http v0.2.7
[INFO] [stderr]   Downloaded h2 v0.1.25
[INFO] [stderr]   Downloaded actix-connect v0.2.1
[INFO] [stderr]   Downloaded backtrace v0.3.33
[INFO] [stderr]   Downloaded actix-server v0.6.0
[INFO] [stderr]   Downloaded flate2 v1.0.9
[INFO] [stderr]   Downloaded actix-rt v0.2.4
[INFO] [stderr]   Downloaded getrandom v0.1.6
[INFO] [stderr]   Downloaded futures v0.1.28
[INFO] [stderr]   Downloaded miniz_oxide v0.2.2
[INFO] [stderr]   Downloaded winreg v0.6.1
[INFO] [stderr]   Downloaded rand_chacha v0.2.0
[INFO] [stderr]   Downloaded actix-files v0.1.4
[INFO] [stderr]   Downloaded signal-hook v0.1.10
[INFO] [stderr]   Downloaded miniz_oxide_c_api v0.2.2
[INFO] [stderr]   Downloaded actix-utils v0.4.5
[INFO] [stderr]   Downloaded regex v1.2.0
[INFO] [stderr]   Downloaded actix-web v1.0.5
[INFO] [stderr]   Downloaded aho-corasick v0.7.4
[INFO] [stderr]   Downloaded awc v0.2.2
[INFO] [stderr]   Downloaded parking_lot_core v0.6.1
[INFO] [stderr]   Downloaded serde_derive v1.0.97
[INFO] [stderr]   Downloaded regex-syntax v0.6.10
[INFO] [stderr]   Downloaded syn v0.15.40
[INFO] [stderr]   Downloaded ucd-util v0.1.4
[INFO] [stderr]   Downloaded serde v1.0.97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7e41ceccd05d5ffbe81509506290a23cab5437970adf36e5fc2184a4b5d2946
[INFO] running `Command { std: "docker" "start" "-a" "a7e41ceccd05d5ffbe81509506290a23cab5437970adf36e5fc2184a4b5d2946", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7e41ceccd05d5ffbe81509506290a23cab5437970adf36e5fc2184a4b5d2946", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7e41ceccd05d5ffbe81509506290a23cab5437970adf36e5fc2184a4b5d2946", kill_on_drop: false }`
[INFO] [stdout] a7e41ceccd05d5ffbe81509506290a23cab5437970adf36e5fc2184a4b5d2946
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "RUSTDOCFLAGS=--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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c15e3c12629c02ac4464bc34d30e2e63ee3415862b3a695b3b4209666b74d456
[INFO] running `Command { std: "docker" "start" "-a" "c15e3c12629c02ac4464bc34d30e2e63ee3415862b3a695b3b4209666b74d456", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling syn v0.15.40
[INFO] [stderr]     Checking spin v0.5.0
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]     Checking futures v0.1.28
[INFO] [stderr]    Compiling log v0.4.7
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking rustc-demangle v0.1.15
[INFO] [stderr]    Compiling serde v1.0.97
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling ucd-util v0.1.4
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]    Compiling utf8-ranges v1.0.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking copyless v0.1.4
[INFO] [stderr]     Checking arc-swap v0.3.11
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling encoding_rs v0.8.17
[INFO] [stderr]     Checking indexmap v1.0.2
[INFO] [stderr]     Checking dtoa v0.4.4
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking hashbrown v0.5.0
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]    Compiling radio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking lock_api v0.2.0
[INFO] [stderr]     Checking lock_api v0.3.1
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling unicase v2.4.0
[INFO] [stderr]    Compiling v_escape v0.7.2
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]    Compiling regex-syntax v0.6.10
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking socket2 v0.3.9
[INFO] [stderr]     Checking aho-corasick v0.7.4
[INFO] [stderr]     Checking signal-hook-registry v1.0.1
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking tokio-sync v0.1.6
[INFO] [stderr]     Checking actix-service v0.4.1
[INFO] [stderr]     Checking phf_shared v0.7.24
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking getrandom v0.1.6
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking resolv-conf v0.6.2
[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-0.15.40/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"' -C metadata=50a6cec1efa442a9 -C extra-filename=-50a6cec1efa442a9 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-5183daaff8fc0d44.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-6b52825d784462e1.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-123b1a1a47f71896.rmeta --cap-lints allow --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] running `Command { std: "docker" "inspect" "c15e3c12629c02ac4464bc34d30e2e63ee3415862b3a695b3b4209666b74d456", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c15e3c12629c02ac4464bc34d30e2e63ee3415862b3a695b3b4209666b74d456", kill_on_drop: false }`
[INFO] [stdout] c15e3c12629c02ac4464bc34d30e2e63ee3415862b3a695b3b4209666b74d456