[INFO] cloning repository https://github.com/takanorifukuyama/abs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/takanorifukuyama/abs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakanorifukuyama%2Fabs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakanorifukuyama%2Fabs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9c52eafb7f23bede0afae34d807769caa452bbb4
[INFO] documenting takanorifukuyama/abs against 1.66.0 for beta-1.67-rustdoc-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakanorifukuyama%2Fabs" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/takanorifukuyama/abs on toolchain 1.66.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.66.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/takanorifukuyama/abs
[INFO] finished tweaking git repo https://github.com/takanorifukuyama/abs
[INFO] tweaked toml for git repo https://github.com/takanorifukuyama/abs written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/takanorifukuyama/abs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.66.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitset-fixed v0.1.0
[INFO] [stderr]   Downloaded superslice v1.0.0
[INFO] [stderr]   Downloaded whiteread v0.5.0
[INFO] [stderr]   Downloaded im-rc v14.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:9042d5c95763f71f7b0904716b98ccadf9fc47b0f382ee962aaaed2ac70c9b8d" "/opt/rustwide/cargo-home/bin/cargo" "+1.66.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f88254948e3db0f513cd0ac303606c3c14a66c0907c7d7e2c65f7c1cb06392c1
[INFO] running `Command { std: "docker" "start" "-a" "f88254948e3db0f513cd0ac303606c3c14a66c0907c7d7e2c65f7c1cb06392c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f88254948e3db0f513cd0ac303606c3c14a66c0907c7d7e2c65f7c1cb06392c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f88254948e3db0f513cd0ac303606c3c14a66c0907c7d7e2c65f7c1cb06392c1", kill_on_drop: false }`
[INFO] [stdout] f88254948e3db0f513cd0ac303606c3c14a66c0907c7d7e2c65f7c1cb06392c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "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@sha256:9042d5c95763f71f7b0904716b98ccadf9fc47b0f382ee962aaaed2ac70c9b8d" "/opt/rustwide/cargo-home/bin/cargo" "+1.66.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f44bcb81e6eba81bd5888ce7148c1cc7f4079b8abc733f21c62b8cb1f504a7dc
[INFO] running `Command { std: "docker" "start" "-a" "f44bcb81e6eba81bd5888ce7148c1cc7f4079b8abc733f21c62b8cb1f504a7dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]    Compiling ndarray v0.13.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking permutohedron v0.2.4
[INFO] [stderr]     Checking bitset-fixed v0.1.0
[INFO] [stderr]     Checking ascii v1.0.0
[INFO] [stderr]     Checking text_io v0.1.8
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]     Checking whiteread v0.5.0
[INFO] [stderr]    Compiling im-rc v14.3.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking superslice v1.0.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]     Checking rand_hc v0.2.0
[INFO] [stderr]     Checking petgraph v0.5.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking itertools-num v0.1.3
[INFO] [stderr]     Checking sized-chunks v0.5.3
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking nalgebra v0.20.0
[INFO] [stderr]    Compiling num-derive v0.3.0
[INFO] [stderr]    Compiling proconio-derive v0.1.6
[INFO] [stderr]     Checking proconio v0.3.6
[INFO] [stderr]  Documenting abs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not document `abs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name abs_abc086a src/bin/abc086a.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=1c29d87aac0ee3ab -L dependency=/opt/rustwide/target/debug/deps --extern alga=/opt/rustwide/target/debug/deps/libalga-b2068521dfb518fe.rmeta --extern ascii=/opt/rustwide/target/debug/deps/libascii-9ba20e315d330d7a.rmeta --extern bitset_fixed=/opt/rustwide/target/debug/deps/libbitset_fixed-091032363f8eccf7.rmeta --extern either=/opt/rustwide/target/debug/deps/libeither-7b59e6773711924a.rmeta --extern fixedbitset=/opt/rustwide/target/debug/deps/libfixedbitset-46b78ae849d59fd0.rmeta --extern getrandom=/opt/rustwide/target/debug/deps/libgetrandom-378770f47608e871.rmeta --extern im_rc=/opt/rustwide/target/debug/deps/libim_rc-435a196ac3f42bc1.rmeta --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-721c88717b84f923.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-d5b431ba0445c497.rmeta --extern itertools_num=/opt/rustwide/target/debug/deps/libitertools_num-8c019494b028c953.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-d449b0eb080f20c1.rmeta --extern libm=/opt/rustwide/target/debug/deps/liblibm-b6c1d00b1888f35c.rmeta --extern maplit=/opt/rustwide/target/debug/deps/libmaplit-3cc5d9a616f2d869.rmeta --extern nalgebra=/opt/rustwide/target/debug/deps/libnalgebra-d403e0cafb06a22c.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-dcf33598af828171.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-d0e8ac6398995e34.rmeta --extern num_bigint=/opt/rustwide/target/debug/deps/libnum_bigint-ed23b399de58fe8b.rmeta --extern num_complex=/opt/rustwide/target/debug/deps/libnum_complex-dc6a965244d3653b.rmeta --extern num_derive=/opt/rustwide/target/debug/deps/libnum_derive-5a04fb0ed38c003e.so --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-59a1b8f3024bace8.rmeta --extern num_iter=/opt/rustwide/target/debug/deps/libnum_iter-f60576b6c3886e55.rmeta --extern num_rational=/opt/rustwide/target/debug/deps/libnum_rational-b2741402816704f7.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-66bdd27256dbf0fe.rmeta --extern ordered_float=/opt/rustwide/target/debug/deps/libordered_float-348cb6340043c757.rmeta --extern permutohedron=/opt/rustwide/target/debug/deps/libpermutohedron-fc1c0e6c174f0acd.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-c74223bf9e7365e0.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-26056a2898f570a4.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-548ff0d78c870f67.rmeta --extern rand_chacha=/opt/rustwide/target/debug/deps/librand_chacha-bcd54c9f6e1f95a9.rmeta --extern rand_core=/opt/rustwide/target/debug/deps/librand_core-92f59b4aec7e7147.rmeta --extern rand_distr=/opt/rustwide/target/debug/deps/librand_distr-5e994cb7338e0e30.rmeta --extern rand_hc=/opt/rustwide/target/debug/deps/librand_hc-e2f05ed5a506ce6c.rmeta --extern rand_pcg=/opt/rustwide/target/debug/deps/librand_pcg-96a58b2db37e910b.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-ec04a67a2fefc818.rmeta --extern rustc_hash=/opt/rustwide/target/debug/deps/librustc_hash-ea04fe3fca73899f.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-29dbca9c608b586c.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-073ba847b83aa9ab.rmeta --extern text_io=/opt/rustwide/target/debug/deps/libtext_io-bd81e9eedcdf5088.rmeta --extern whiteread=/opt/rustwide/target/debug/deps/libwhiteread-ed1880a20cfcc405.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not document `abs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name abs_abc081a src/bin/abc081a.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=cfb56cf2c2ed421e -L dependency=/opt/rustwide/target/debug/deps --extern alga=/opt/rustwide/target/debug/deps/libalga-b2068521dfb518fe.rmeta --extern ascii=/opt/rustwide/target/debug/deps/libascii-9ba20e315d330d7a.rmeta --extern bitset_fixed=/opt/rustwide/target/debug/deps/libbitset_fixed-091032363f8eccf7.rmeta --extern either=/opt/rustwide/target/debug/deps/libeither-7b59e6773711924a.rmeta --extern fixedbitset=/opt/rustwide/target/debug/deps/libfixedbitset-46b78ae849d59fd0.rmeta --extern getrandom=/opt/rustwide/target/debug/deps/libgetrandom-378770f47608e871.rmeta --extern im_rc=/opt/rustwide/target/debug/deps/libim_rc-435a196ac3f42bc1.rmeta --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-721c88717b84f923.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-d5b431ba0445c497.rmeta --extern itertools_num=/opt/rustwide/target/debug/deps/libitertools_num-8c019494b028c953.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-d449b0eb080f20c1.rmeta --extern libm=/opt/rustwide/target/debug/deps/liblibm-b6c1d00b1888f35c.rmeta --extern maplit=/opt/rustwide/target/debug/deps/libmaplit-3cc5d9a616f2d869.rmeta --extern nalgebra=/opt/rustwide/target/debug/deps/libnalgebra-d403e0cafb06a22c.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-dcf33598af828171.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-d0e8ac6398995e34.rmeta --extern num_bigint=/opt/rustwide/target/debug/deps/libnum_bigint-ed23b399de58fe8b.rmeta --extern num_complex=/opt/rustwide/target/debug/deps/libnum_complex-dc6a965244d3653b.rmeta --extern num_derive=/opt/rustwide/target/debug/deps/libnum_derive-5a04fb0ed38c003e.so --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-59a1b8f3024bace8.rmeta --extern num_iter=/opt/rustwide/target/debug/deps/libnum_iter-f60576b6c3886e55.rmeta --extern num_rational=/opt/rustwide/target/debug/deps/libnum_rational-b2741402816704f7.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-66bdd27256dbf0fe.rmeta --extern ordered_float=/opt/rustwide/target/debug/deps/libordered_float-348cb6340043c757.rmeta --extern permutohedron=/opt/rustwide/target/debug/deps/libpermutohedron-fc1c0e6c174f0acd.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-c74223bf9e7365e0.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-26056a2898f570a4.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-548ff0d78c870f67.rmeta --extern rand_chacha=/opt/rustwide/target/debug/deps/librand_chacha-bcd54c9f6e1f95a9.rmeta --extern rand_core=/opt/rustwide/target/debug/deps/librand_core-92f59b4aec7e7147.rmeta --extern rand_distr=/opt/rustwide/target/debug/deps/librand_distr-5e994cb7338e0e30.rmeta --extern rand_hc=/opt/rustwide/target/debug/deps/librand_hc-e2f05ed5a506ce6c.rmeta --extern rand_pcg=/opt/rustwide/target/debug/deps/librand_pcg-96a58b2db37e910b.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-ec04a67a2fefc818.rmeta --extern rustc_hash=/opt/rustwide/target/debug/deps/librustc_hash-ea04fe3fca73899f.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-29dbca9c608b586c.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-073ba847b83aa9ab.rmeta --extern text_io=/opt/rustwide/target/debug/deps/libtext_io-bd81e9eedcdf5088.rmeta --extern whiteread=/opt/rustwide/target/debug/deps/libwhiteread-ed1880a20cfcc405.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "f44bcb81e6eba81bd5888ce7148c1cc7f4079b8abc733f21c62b8cb1f504a7dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f44bcb81e6eba81bd5888ce7148c1cc7f4079b8abc733f21c62b8cb1f504a7dc", kill_on_drop: false }`
[INFO] [stdout] f44bcb81e6eba81bd5888ce7148c1cc7f4079b8abc733f21c62b8cb1f504a7dc