[INFO] fetching crate unm_engine_ytdl 0.3.0-pre.1...
[INFO] documenting unm_engine_ytdl-0.3.0-pre.1 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate unm_engine_ytdl 0.3.0-pre.1 into /workspace/builds/worker-38/source
[INFO] validating manifest of crates.io crate unm_engine_ytdl 0.3.0-pre.1 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] started tweaking crates.io crate unm_engine_ytdl 0.3.0-pre.1
[INFO] finished tweaking crates.io crate unm_engine_ytdl 0.3.0-pre.1
[INFO] tweaked toml for crates.io crate unm_engine_ytdl 0.3.0-pre.1 written to /workspace/builds/worker-38/source/Cargo.toml
[INFO] crate crates.io crate unm_engine_ytdl 0.3.0-pre.1 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded darling v0.14.0
[INFO] [stderr]   Downloaded unm_engine v0.3.0-pre.0
[INFO] [stderr]   Downloaded httparse v1.7.0
[INFO] [stderr]   Downloaded darling_macro v0.14.0
[INFO] [stderr]   Downloaded darling_core v0.14.0
[INFO] [stderr]   Downloaded derive_builder_macro v0.11.2
[INFO] [stderr]   Downloaded derive_builder_core v0.11.2
[INFO] [stderr]   Downloaded derive_builder v0.11.2
[INFO] [stderr]   Downloaded unm_types v0.3.0-pre.0
[INFO] [stderr]   Downloaded typed-builder v0.10.0
[INFO] [stderr]   Downloaded concat-string v1.0.1
[INFO] [stderr]   Downloaded openssl-src v111.18.0+1.1.1n
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] 547d0d640fb5927b04033d0b9ddea32d1bb6ff0f4e121ce7e8a710e0014948e1
[INFO] running `Command { std: "docker" "start" "-a" "547d0d640fb5927b04033d0b9ddea32d1bb6ff0f4e121ce7e8a710e0014948e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "547d0d640fb5927b04033d0b9ddea32d1bb6ff0f4e121ce7e8a710e0014948e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "547d0d640fb5927b04033d0b9ddea32d1bb6ff0f4e121ce7e8a710e0014948e1", kill_on_drop: false }`
[INFO] [stdout] 547d0d640fb5927b04033d0b9ddea32d1bb6ff0f4e121ce7e8a710e0014948e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] 3f90465ba9dae5c9241b778b476a2890cdc65a1a6db70b08b93050f77ea0d56a
[INFO] running `Command { std: "docker" "start" "-a" "3f90465ba9dae5c9241b778b476a2890cdc65a1a6db70b08b93050f77ea0d56a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]     Checking ipnet v2.5.0
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking concat-string v1.0.1
[INFO] [stderr]    Compiling openssl-src v111.18.0+1.1.1n
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]     Checking tracing-core v0.1.26
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]    Compiling httparse v1.7.0
[INFO] [stderr]    Compiling async-trait v0.1.53
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]     Checking log v0.4.16
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking http v0.2.6
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.8.2
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking tokio v1.17.0
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]    Compiling darling_core v0.14.0
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling tracing-attributes v0.1.20
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling typed-builder v0.10.0
[INFO] [stderr]    Compiling darling_macro v0.14.0
[INFO] [stderr]     Checking tracing v0.1.34
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]    Compiling darling v0.14.0
[INFO] [stderr]     Checking tokio-util v0.7.1
[INFO] [stderr]    Compiling derive_builder_core v0.11.2
[INFO] [stderr]    Compiling derive_builder_macro v0.11.2
[INFO] [stderr]     Checking h2 v0.3.13
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_json v1.0.79
[INFO] [stderr]     Checking derive_builder v0.11.2
[INFO] [stderr]     Checking hyper v0.14.18
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.10
[INFO] [stderr]     Checking unm_types v0.3.0-pre.0
[INFO] [stderr]     Checking unm_engine v0.3.0-pre.0
[INFO] [stderr]  Documenting unm_engine_ytdl v0.3.0-pre.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4m 05s
[INFO] running `Command { std: "docker" "inspect" "3f90465ba9dae5c9241b778b476a2890cdc65a1a6db70b08b93050f77ea0d56a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f90465ba9dae5c9241b778b476a2890cdc65a1a6db70b08b93050f77ea0d56a", kill_on_drop: false }`
[INFO] [stdout] 3f90465ba9dae5c9241b778b476a2890cdc65a1a6db70b08b93050f77ea0d56a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] ac6bb62581ae5c1a3cb30def9ecb50b4766b843c86b9cc1377517306ca57e2d6
[INFO] running `Command { std: "docker" "start" "-a" "ac6bb62581ae5c1a3cb30def9ecb50b4766b843c86b9cc1377517306ca57e2d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling httparse v1.7.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]     Checking ipnet v2.5.0
[INFO] [stderr]    Compiling async-trait v0.1.53
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]     Checking concat-string v1.0.1
[INFO] [stderr]     Checking tracing-core v0.1.26
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking http v0.2.6
[INFO] [stderr]    Compiling openssl-src v111.18.0+1.1.1n
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking mio v0.8.2
[INFO] [stderr]     Checking tokio v1.17.0
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking http-body v0.4.4
[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-1.0.91/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"' --cfg 'feature="visit-mut"' -C metadata=587820b828ee44d8 -C extra-filename=-587820b828ee44d8 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-0bde51d334372518.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-fd8670d14b2f18f6.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-893a1d89efc86dd7.rmeta --cap-lints allow --cap-lints=warn --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" "ac6bb62581ae5c1a3cb30def9ecb50b4766b843c86b9cc1377517306ca57e2d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac6bb62581ae5c1a3cb30def9ecb50b4766b843c86b9cc1377517306ca57e2d6", kill_on_drop: false }`
[INFO] [stdout] ac6bb62581ae5c1a3cb30def9ecb50b4766b843c86b9cc1377517306ca57e2d6