[INFO] fetching crate flowide 0.31.0...
[INFO] documenting flowide-0.31.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate flowide 0.31.0 into /workspace/builds/worker-97/source
[INFO] validating manifest of crates.io crate flowide 0.31.0 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 flowide 0.31.0
[INFO] finished tweaking crates.io crate flowide 0.31.0
[INFO] tweaked toml for crates.io crate flowide 0.31.0 written to /workspace/builds/worker-97/source/Cargo.toml
[INFO] crate crates.io crate flowide 0.31.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simpath v1.4.1
[INFO] [stderr]   Downloaded flow_impl_derive v0.21.0
[INFO] [stderr]   Downloaded image v0.23.10
[INFO] [stderr]   Downloaded ctrlc v3.1.7
[INFO] [stderr]   Downloaded tiff v0.5.0
[INFO] [stderr]   Downloaded flow_impl v0.21.0
[INFO] [stderr]   Downloaded unicode-normalization v0.1.14
[INFO] [stderr]   Downloaded curl v0.4.34
[INFO] [stderr]   Downloaded flowr v0.31.0
[INFO] [stderr]   Downloaded flowc v0.31.0
[INFO] [stderr]   Downloaded gtk-rs-state v0.3.0
[INFO] [stderr]   Downloaded flowstdlib v0.31.0
[INFO] [stderr]   Downloaded flowrstructs v0.25.0
[INFO] [stderr]   Downloaded provider v0.25.0
[INFO] [stderr]   Downloaded curl-sys v0.4.38+curl-7.73.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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] 3157182d7d4fc11bff3ae1b9c9e90dce989b5ad3dd7eaf5bbf8a3e9b5c52d680
[INFO] running `Command { std: "docker" "start" "-a" "3157182d7d4fc11bff3ae1b9c9e90dce989b5ad3dd7eaf5bbf8a3e9b5c52d680", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3157182d7d4fc11bff3ae1b9c9e90dce989b5ad3dd7eaf5bbf8a3e9b5c52d680", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3157182d7d4fc11bff3ae1b9c9e90dce989b5ad3dd7eaf5bbf8a3e9b5c52d680", kill_on_drop: false }`
[INFO] [stdout] 3157182d7d4fc11bff3ae1b9c9e90dce989b5ad3dd7eaf5bbf8a3e9b5c52d680
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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] 089b94d79be6ee8486501b9b748882e3a0f3b37c5e164adf0de1f403fb91cfa2
[INFO] running `Command { std: "docker" "start" "-a" "089b94d79be6ee8486501b9b748882e3a0f3b37c5e164adf0de1f403fb91cfa2", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling cc v1.0.62
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling curl v0.4.34
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling gimli v0.23.0
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling object v0.22.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling rustc-demangle v0.1.18
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.3
[INFO] [stderr]    Compiling simpath v1.4.1
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling gio v0.8.1
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling dtoa v0.4.6
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling cairo-rs v0.8.1
[INFO] [stderr]    Compiling pango v0.8.0
[INFO] [stderr]    Compiling gdk-pixbuf v0.8.0
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]     Checking futures-io v0.3.8
[INFO] [stderr]    Compiling gdk v0.12.1
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling atk v0.8.0
[INFO] [stderr]     Checking weezl v0.1.3
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking bytemuck v1.4.1
[INFO] [stderr]    Compiling gtk v0.8.1
[INFO] [stderr]    Compiling zmq v0.9.2
[INFO] [stderr]     Checking parity-wasm v0.41.0
[INFO] [stderr]     Checking memory_units v0.3.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]     Checking tinyvec v1.0.1
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]    Compiling textwrap v0.11.0
[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-1.0.62/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=d7d190bcb27e28fa -C extra-filename=-d7d190bcb27e28fa --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 `gimli`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name gimli --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gimli-0.23.0/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 --cfg 'feature="read"' -C metadata=494200a41b09f948 -C extra-filename=-494200a41b09f948 --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 `gimli`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name gimli --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gimli-0.23.0/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="read"' -C metadata=b26b5e809e541079 -C extra-filename=-b26b5e809e541079 --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 `object`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name object --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/object-0.22.0/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 --cfg 'feature="archive"' --cfg 'feature="coff"' --cfg 'feature="elf"' --cfg 'feature="macho"' --cfg 'feature="pe"' --cfg 'feature="read_core"' --cfg 'feature="unaligned"' -C metadata=ac244aaab9ac441f -C extra-filename=-ac244aaab9ac441f --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 `pkg-config`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name pkg_config /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pkg-config-0.3.19/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=d5824f63e89eacce -C extra-filename=-d5824f63e89eacce --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 `tinyvec`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name tinyvec --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tinyvec-1.0.1/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="alloc"' --cfg 'feature="default"' --cfg 'feature="tinyvec_macros"' -C metadata=ed430550dcaafed9 -C extra-filename=-ed430550dcaafed9 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern tinyvec_macros=/opt/rustwide/target/debug/deps/libtinyvec_macros-d382d81a85967f60.rmeta --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `version_check`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name version_check /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/version_check-0.9.2/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=67c65620adcae71d -C extra-filename=-67c65620adcae71d --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 `unicode-bidi`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name unicode_bidi /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/unicode-bidi-0.3.4/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="default"' -C metadata=e11d8631b5e2884b -C extra-filename=-e11d8631b5e2884b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern matches=/opt/rustwide/target/debug/deps/libmatches-1c3fc79c8fadcb87.rmeta --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "089b94d79be6ee8486501b9b748882e3a0f3b37c5e164adf0de1f403fb91cfa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "089b94d79be6ee8486501b9b748882e3a0f3b37c5e164adf0de1f403fb91cfa2", kill_on_drop: false }`
[INFO] [stdout] 089b94d79be6ee8486501b9b748882e3a0f3b37c5e164adf0de1f403fb91cfa2