[INFO] fetching crate rs-collector 0.1.7...
[INFO] documenting rs-collector-0.1.7 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate rs-collector 0.1.7 into /workspace/builds/worker-30/source
[INFO] validating manifest of crates.io crate rs-collector 0.1.7 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 rs-collector 0.1.7
[INFO] finished tweaking crates.io crate rs-collector 0.1.7
[INFO] tweaked toml for crates.io crate rs-collector 0.1.7 written to /workspace/builds/worker-30/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 MacTypes-sys v2.1.0
[INFO] [stderr]   Downloaded nom v2.2.1
[INFO] [stderr]   Downloaded hostname v0.1.5
[INFO] [stderr]   Downloaded hex v0.2.0
[INFO] [stderr]   Downloaded openssl v0.9.24
[INFO] [stderr]   Downloaded winutil v0.1.1
[INFO] [stderr]   Downloaded get_if_addrs v0.5.3
[INFO] [stderr]   Downloaded uuid v0.1.18
[INFO] [stderr]   Downloaded uuid v0.6.5
[INFO] [stderr]   Downloaded c_linked_list v1.1.1
[INFO] [stderr]   Downloaded core-foundation-sys v0.5.1
[INFO] [stderr]   Downloaded get_if_addrs-sys v0.1.1
[INFO] [stderr]   Downloaded is_executable v0.1.2
[INFO] [stderr]   Downloaded toml v0.1.30
[INFO] [stderr]   Downloaded mktemp v0.3.1
[INFO] [stderr]   Downloaded try_from v0.2.2
[INFO] [stderr]   Downloaded semver v0.8.0
[INFO] [stderr]   Downloaded separator v0.3.1
[INFO] [stderr]   Downloaded bson v0.10.0
[INFO] [stderr]   Downloaded mongodb v0.3.10
[INFO] [stderr]   Downloaded mysql_common v0.7.0
[INFO] [stderr]   Downloaded procinfo v0.4.2
[INFO] [stderr]   Downloaded named_pipe v0.3.0
[INFO] [stderr]   Downloaded security-framework-sys v0.2.3
[INFO] [stderr]   Downloaded bson v0.12.3
[INFO] [stderr]   Downloaded itertools v0.7.11
[INFO] [stderr]   Downloaded atoi v0.2.4
[INFO] [stderr]   Downloaded toml v0.2.1
[INFO] [stderr]   Downloaded bosun_emitter v1.2.0
[INFO] [stderr]   Downloaded nix v0.10.0
[INFO] [stderr]   Downloaded security-framework v0.2.2
[INFO] [stderr]   Downloaded md5 v0.3.8
[INFO] [stderr]   Downloaded textnonce v0.6.5
[INFO] [stderr]   Downloaded scan_fmt v0.1.3
[INFO] [stderr]   Downloaded core-foundation v0.5.1
[INFO] [stderr]   Downloaded regex v1.0.6
[INFO] [stderr]   Downloaded mysql v13.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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] f93e9c469092e6103b062931868b7d77ae2a7cf9f486df7fe11f46ba04502507
[INFO] running `Command { std: "docker" "start" "-a" "f93e9c469092e6103b062931868b7d77ae2a7cf9f486df7fe11f46ba04502507", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f93e9c469092e6103b062931868b7d77ae2a7cf9f486df7fe11f46ba04502507", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f93e9c469092e6103b062931868b7d77ae2a7cf9f486df7fe11f46ba04502507", kill_on_drop: false }`
[INFO] [stdout] f93e9c469092e6103b062931868b7d77ae2a7cf9f486df7fe11f46ba04502507
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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] 7c8262cddb0b5615fbec84015f1704d4bba1aecafd564008e2727cef327d4c6f
[INFO] running `Command { std: "docker" "start" "-a" "7c8262cddb0b5615fbec84015f1704d4bba1aecafd564008e2727cef327d4c6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling openssl v0.10.40
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling httparse v1.7.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking sha1_smol v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking md5 v0.3.8
[INFO] [stderr]     Checking try_from v0.2.2
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking bit-vec v0.5.1
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking c_linked_list v1.1.1
[INFO] [stderr]     Checking nom v2.2.1
[INFO] [stderr]     Checking hex v0.2.0
[INFO] [stderr]     Checking data-encoding v2.3.2
[INFO] [stderr]     Checking separator v0.3.1
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking is_executable v0.1.2
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr] error: could not compile `regex-syntax`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex_syntax --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.26/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' -C metadata=54da5568001b1740 -C extra-filename=-54da5568001b1740 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `futures`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name futures /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-0.1.31/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="use_std"' --cfg 'feature="with-deprecated"' -C metadata=34937b916995a2ad -C extra-filename=-34937b916995a2ad --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `cc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name cc --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cc-1.0.73/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 -C metadata=b3a34eae63a32363 -C extra-filename=-b3a34eae63a32363 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `semver-parser`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name semver_parser /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/semver-parser-0.7.0/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 -C metadata=8f325bdb687d18fc -C extra-filename=-8f325bdb687d18fc --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `autocfg`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name autocfg /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/autocfg-1.1.0/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 -C metadata=3aefa914eeb411d0 -C extra-filename=-3aefa914eeb411d0 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "7c8262cddb0b5615fbec84015f1704d4bba1aecafd564008e2727cef327d4c6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c8262cddb0b5615fbec84015f1704d4bba1aecafd564008e2727cef327d4c6f", kill_on_drop: false }`
[INFO] [stdout] 7c8262cddb0b5615fbec84015f1704d4bba1aecafd564008e2727cef327d4c6f