[INFO] fetching crate cl 0.9.0...
[INFO] documenting cl-0.9.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate cl 0.9.0 into /workspace/builds/worker-55/source
[INFO] validating manifest of crates.io crate cl 0.9.0 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 cl 0.9.0
[INFO] finished tweaking crates.io crate cl 0.9.0
[INFO] tweaked toml for crates.io crate cl 0.9.0 written to /workspace/builds/worker-55/source/Cargo.toml
[INFO] crate crates.io crate cl 0.9.0 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 gag v0.1.10
[INFO] [stderr]   Downloaded darling v0.10.1
[INFO] [stderr]   Downloaded openssl-sys v0.9.50
[INFO] [stderr]   Downloaded indexmap v1.2.0
[INFO] [stderr]   Downloaded serde_yaml v0.8.11
[INFO] [stderr]   Downloaded darling_core v0.10.1
[INFO] [stderr]   Downloaded derive_builder v0.7.2
[INFO] [stderr]   Downloaded pulldown-cmark v0.5.3
[INFO] [stderr]   Downloaded strsim v0.7.0
[INFO] [stderr]   Downloaded darling_core v0.9.0
[INFO] [stderr]   Downloaded derive-getters v0.1.0
[INFO] [stderr]   Downloaded darling_macro v0.9.0
[INFO] [stderr]   Downloaded quick-error v1.2.2
[INFO] [stderr]   Downloaded anyhow v1.0.31
[INFO] [stderr]   Downloaded remove_empty_subdirs v0.1.1
[INFO] [stderr]   Downloaded chrono v0.4.9
[INFO] [stderr]   Downloaded strsim v0.9.2
[INFO] [stderr]   Downloaded clparse v0.8.0
[INFO] [stderr]   Downloaded derive_builder_core v0.5.0
[INFO] [stderr]   Downloaded unicase v2.5.1
[INFO] [stderr]   Downloaded err-derive v0.1.6
[INFO] [stderr]   Downloaded derive_builder v0.8.0
[INFO] [stderr]   Downloaded darling_macro v0.10.1
[INFO] [stderr]   Downloaded libssh2-sys v0.2.12
[INFO] [stderr]   Downloaded proc-macro-error v0.2.6
[INFO] [stderr]   Downloaded unicode-normalization v0.1.8
[INFO] [stderr]   Downloaded smallvec v0.6.10
[INFO] [stderr]   Downloaded git2 v0.10.1
[INFO] [stderr]   Downloaded ryu v1.0.0
[INFO] [stderr]   Downloaded scan_dir v0.3.3
[INFO] [stderr]   Downloaded serde v1.0.101
[INFO] [stderr]   Downloaded libgit2-sys v0.9.1
[INFO] [stderr]   Downloaded derive_builder_core v0.8.0
[INFO] [stderr]   Downloaded serde_json v1.0.41
[INFO] [stderr]   Downloaded darling v0.9.0
[INFO] [stderr]   Downloaded serde_derive v1.0.101
[INFO] [stderr]   Downloaded openssl-src v111.6.0+1.1.1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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] 52e6a1186e3494c809ecbab339aee5841cc8b2d20f657f8af35f82e3c1aab1a2
[INFO] running `Command { std: "docker" "start" "-a" "52e6a1186e3494c809ecbab339aee5841cc8b2d20f657f8af35f82e3c1aab1a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52e6a1186e3494c809ecbab339aee5841cc8b2d20f657f8af35f82e3c1aab1a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52e6a1186e3494c809ecbab339aee5841cc8b2d20f657f8af35f82e3c1aab1a2", kill_on_drop: false }`
[INFO] [stdout] 52e6a1186e3494c809ecbab339aee5841cc8b2d20f657f8af35f82e3c1aab1a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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] a4c0f9583c7b2c32abd82f0f85837b42eb8cc9c2caf46d5622d92f450f1e67ce
[INFO] running `Command { std: "docker" "start" "-a" "a4c0f9583c7b2c32abd82f0f85837b42eb8cc9c2caf46d5622d92f450f1e67ce", 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]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling bitflags v1.2.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]    Compiling strsim v0.9.2
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]    Compiling derive_builder v0.7.2
[INFO] [stderr]    Compiling pulldown-cmark v0.5.3
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]    Compiling derive_builder v0.8.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking dtoa v0.4.4
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking indexmap v1.2.0
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking remove_empty_subdirs v0.1.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking scan_dir v0.3.3
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]    Compiling unicase v2.5.1
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling err-derive v0.1.6
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling jobserver v0.1.17
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]    Compiling openssl-src v111.6.0+1.1.1d
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling openssl-sys v0.9.50
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libssh2-sys v0.2.12
[INFO] [stderr]    Compiling libgit2-sys v0.9.1
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking gag v0.1.10
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking semver v0.10.0
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]    Compiling darling_core v0.9.0
[INFO] [stderr]    Compiling darling_core v0.10.1
[INFO] [stderr]    Compiling synstructure v0.12.1
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[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"' -C metadata=745695e9f57814e9 -C extra-filename=-745695e9f57814e9 --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] [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-1.0.5/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=146df1ea7ab3116b -C extra-filename=-146df1ea7ab3116b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-f7e27a99a3989200.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-1e253f51f6b0a18f.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-84ef2f20162ceb94.rmeta --cap-lints allow --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "a4c0f9583c7b2c32abd82f0f85837b42eb8cc9c2caf46d5622d92f450f1e67ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4c0f9583c7b2c32abd82f0f85837b42eb8cc9c2caf46d5622d92f450f1e67ce", kill_on_drop: false }`
[INFO] [stdout] a4c0f9583c7b2c32abd82f0f85837b42eb8cc9c2caf46d5622d92f450f1e67ce