[INFO] cloning repository https://github.com/maysay-D/tessoku-reading
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maysay-D/tessoku-reading" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaysay-D%2Ftessoku-reading", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaysay-D%2Ftessoku-reading'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 830ce7691412d28fc058dcb98c9c0b99b4cb671d
[INFO] documenting maysay-D/tessoku-reading against beta-2025-10-28 for beta-1.92-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaysay-D%2Ftessoku-reading" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/maysay-D/tessoku-reading
[INFO] finished tweaking git repo https://github.com/maysay-D/tessoku-reading
[INFO] tweaked toml for git repo https://github.com/maysay-D/tessoku-reading written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/maysay-D/tessoku-reading on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/maysay-D/tessoku-reading 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" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24cff80f7903e36be0f1adb7f6734dadd19b5c49187f9cddc2bb6c0773d0aa81
[INFO] running `Command { std: "docker" "start" "-a" "24cff80f7903e36be0f1adb7f6734dadd19b5c49187f9cddc2bb6c0773d0aa81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24cff80f7903e36be0f1adb7f6734dadd19b5c49187f9cddc2bb6c0773d0aa81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24cff80f7903e36be0f1adb7f6734dadd19b5c49187f9cddc2bb6c0773d0aa81", kill_on_drop: false }`
[INFO] [stdout] 24cff80f7903e36be0f1adb7f6734dadd19b5c49187f9cddc2bb6c0773d0aa81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e0a408afbe4bf4cc31fc13f60bb91385725f8c635d5e3d2338af94ecb592caa
[INFO] running `Command { std: "docker" "start" "-a" "5e0a408afbe4bf4cc31fc13f60bb91385725f8c635d5e3d2338af94ecb592caa", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.65
[INFO] [stderr]    Compiling quote v1.0.30
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling anyhow v1.0.72
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling serde v1.0.171
[INFO] [stderr]    Compiling aho-corasick v1.0.2
[INFO] [stderr]    Compiling thiserror v1.0.43
[INFO] [stderr]    Compiling regex-syntax v0.7.4
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling target-features v0.1.4
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.7
[INFO] [stderr]     Checking varisat-formula v0.2.2
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]    Compiling syn v2.0.26
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking safe_arch v0.7.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking num-complex v0.4.3
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking arbitrary v1.3.0
[INFO] [stderr]    Compiling varisat v0.2.2
[INFO] [stderr]    Compiling im-rc v15.1.0
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking wide v0.7.11
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling regex-automata v0.3.3
[INFO] [stderr]     Checking varisat-internal-proof v0.2.2
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.171
[INFO] [stderr]    Compiling thiserror-impl v1.0.43
[INFO] [stderr]     Checking simba v0.8.1
[INFO] [stderr]     Checking sized-chunks v0.6.5
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking integer-sqrt v0.1.5
[INFO] [stderr]     Checking ordered-float v2.10.0
[INFO] [stderr]     Checking rand_xoshiro v0.6.0
[INFO] [stderr]     Checking stringly_conversions v0.1.1
[INFO] [stderr]     Checking vec_mut_scan v0.3.0
[INFO] [stderr]     Checking amplify_num v0.4.1
[INFO] [stderr]     Checking hashbrown v0.14.0
[INFO] [stderr]     Checking varisat-dimacs v0.2.2
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]    Compiling amplify_syn v1.1.6
[INFO] [stderr]    Compiling regex v1.9.1
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking leb128 v0.2.5
[INFO] [stderr]     Checking bstr v1.6.0
[INFO] [stderr]     Checking indexmap v2.0.0
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]     Checking pathfinding v4.3.0
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]     Checking petgraph v0.6.3
[INFO] [stderr]    Compiling num-derive v0.4.0
[INFO] [stderr]    Compiling partial_ref_derive v0.3.3
[INFO] [stderr]     Checking partial_ref v0.3.3
[INFO] [stderr]    Compiling proconio-derive v0.2.1
[INFO] [stderr]    Compiling amplify_derive v2.11.3
[INFO] [stderr]    Compiling varisat-internal-macros v0.2.2
[INFO] [stderr]    Compiling argio-macro v0.2.0
[INFO] [stderr]    Compiling multiversion-macros v0.7.2
[INFO] [stderr]     Checking proconio v0.4.5
[INFO] [stderr]    Compiling nalgebra-macros v0.2.1
[INFO] [stderr]    Compiling memoise v0.3.2
[INFO] [stderr]     Checking argio v0.2.0
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]     Checking itertools-num v0.1.3
[INFO] [stderr]     Checking counter v0.5.7
[INFO] [stderr]     Checking ordered-float v3.7.0
[INFO] [stderr]     Checking rand_pcg v0.3.1
[INFO] [stderr]     Checking rand_hc v0.3.2
[INFO] [stderr]     Checking omniswap v0.1.0
[INFO] [stderr]    Compiling easy-ext v1.0.1
[INFO] [stderr]     Checking ascii v1.1.0
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking recur-fn v2.2.0
[INFO] [stderr]     Checking text_io v0.1.12
[INFO] [stderr]     Checking glidesort v0.1.2
[INFO] [stderr]     Checking bitset-fixed v0.1.0
[INFO] [stderr]     Checking permutohedron v0.2.4
[INFO] [stderr]     Checking superslice v1.0.0
[INFO] [stderr]     Checking indexing v0.4.1
[INFO] [stderr]     Checking multiversion v0.7.2
[INFO] [stderr]     Checking ac-library-rs v0.1.1
[INFO] [stderr]     Checking hashbag v0.1.11
[INFO] [stderr]     Checking amplify v3.14.2
[INFO] [stderr]     Checking nalgebra v0.32.3
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]     Checking btreemultimap v0.1.1
[INFO] [stderr]     Checking multimap v0.9.0
[INFO] [stderr]     Checking varisat-checker v0.2.2
[INFO] [stderr]  Documenting tessoku-book v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not document `tessoku-book`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2025-10-28-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type bin --crate-name tessoku_book_a21 src/bin/a21.rs -o /opt/rustwide/target/doc --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat -C metadata=1857dc1ffaf87932 -L dependency=/opt/rustwide/target/debug/deps --extern ac_library=/opt/rustwide/target/debug/deps/libac_library-b1b3ce96a1a560f2.rmeta --extern alga=/opt/rustwide/target/debug/deps/libalga-3f35d80eb4935871.rmeta --extern amplify=/opt/rustwide/target/debug/deps/libamplify-69f966b48a8ee3cf.rmeta --extern amplify_derive=/opt/rustwide/target/debug/deps/libamplify_derive-54303e572e2f7355.so --extern amplify_num=/opt/rustwide/target/debug/deps/libamplify_num-e8c25e39a9d2f30a.rmeta --extern argio=/opt/rustwide/target/debug/deps/libargio-6e9ec7edc53d0eb3.rmeta --extern ascii=/opt/rustwide/target/debug/deps/libascii-b3a4461e9cfba6da.rmeta --extern az=/opt/rustwide/target/debug/deps/libaz-254179862ead6da4.rmeta --extern bitset_fixed=/opt/rustwide/target/debug/deps/libbitset_fixed-01a5e50aa257467d.rmeta --extern bitvec=/opt/rustwide/target/debug/deps/libbitvec-2778dfab6613cbd3.rmeta --extern bstr=/opt/rustwide/target/debug/deps/libbstr-f8bfcdd1f4a3b422.rmeta --extern btreemultimap=/opt/rustwide/target/debug/deps/libbtreemultimap-78c175066e75ba86.rmeta --extern counter=/opt/rustwide/target/debug/deps/libcounter-c812f19fe0ca17ea.rmeta --extern easy_ext=/opt/rustwide/target/debug/deps/libeasy_ext-715540842add3714.so --extern either=/opt/rustwide/target/debug/deps/libeither-36da777ef84a709b.rmeta --extern fixedbitset=/opt/rustwide/target/debug/deps/libfixedbitset-bc12d93834fe9e52.rmeta --extern getrandom=/opt/rustwide/target/debug/deps/libgetrandom-3875cc98ad1054f1.rmeta --extern glidesort=/opt/rustwide/target/debug/deps/libglidesort-b26aafa0843bbd8f.rmeta --extern hashbag=/opt/rustwide/target/debug/deps/libhashbag-73feb7dfe8f80389.rmeta --extern im_rc=/opt/rustwide/target/debug/deps/libim_rc-70077d127bdf98ff.rmeta --extern indexing=/opt/rustwide/target/debug/deps/libindexing-b0f92995ce407c2f.rmeta --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-09f6d504e775b254.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-3962baab8a4e159d.rmeta --extern itertools_num=/opt/rustwide/target/debug/deps/libitertools_num-60acc742b074cd76.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-9aab62fbfc567b13.rmeta --extern libm=/opt/rustwide/target/debug/deps/liblibm-623987f53d134220.rmeta --extern maplit=/opt/rustwide/target/debug/deps/libmaplit-52bdd2bc93baf8ac.rmeta --extern memoise=/opt/rustwide/target/debug/deps/libmemoise-a64b59ef01e92262.so --extern multimap=/opt/rustwide/target/debug/deps/libmultimap-d323577becc9aefe.rmeta --extern multiversion=/opt/rustwide/target/debug/deps/libmultiversion-a3a34c31474c2073.rmeta --extern nalgebra=/opt/rustwide/target/debug/deps/libnalgebra-64fa5072196b3528.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-960b8ae548dd2065.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-cf7d7ae1ed1a1d00.rmeta --extern num_bigint=/opt/rustwide/target/debug/deps/libnum_bigint-9238dc86fafa9b0d.rmeta --extern num_complex=/opt/rustwide/target/debug/deps/libnum_complex-cda29f45ad10413c.rmeta --extern num_derive=/opt/rustwide/target/debug/deps/libnum_derive-17f5c012c59a9426.so --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-b52d8278d99684b3.rmeta --extern num_iter=/opt/rustwide/target/debug/deps/libnum_iter-225fedc0877242a7.rmeta --extern num_rational=/opt/rustwide/target/debug/deps/libnum_rational-956a4bc2020845b7.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-1a58b742cd869a56.rmeta --extern omniswap=/opt/rustwide/target/debug/deps/libomniswap-b1bc1ad9f2818f42.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-f3a0d32d5ec0adb1.rmeta --extern ordered_float=/opt/rustwide/target/debug/deps/libordered_float-7a13e4c4ae8212d9.rmeta --extern pathfinding=/opt/rustwide/target/debug/deps/libpathfinding-4b1d98733287873e.rmeta --extern permutohedron=/opt/rustwide/target/debug/deps/libpermutohedron-e58d3a5cf5676539.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-ed14a87a52783998.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-b1f6e1da73198755.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-2b1bec98c9b95439.rmeta --extern rand_chacha=/opt/rustwide/target/debug/deps/librand_chacha-83a3a679d6ba92b4.rmeta --extern rand_core=/opt/rustwide/target/debug/deps/librand_core-58da777f5bf762bc.rmeta --extern rand_distr=/opt/rustwide/target/debug/deps/librand_distr-64db46d9b1bdf777.rmeta --extern rand_hc=/opt/rustwide/target/debug/deps/librand_hc-79eabaac76abc617.rmeta --extern rand_pcg=/opt/rustwide/target/debug/deps/librand_pcg-53f583afd8146982.rmeta --extern recur_fn=/opt/rustwide/target/debug/deps/librecur_fn-83b1adfc4216259b.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-5725a8686539f66a.rmeta --extern rustc_hash=/opt/rustwide/target/debug/deps/librustc_hash-ba0eae090a9795a0.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-c724064b765f0280.rmeta --extern static_assertions=/opt/rustwide/target/debug/deps/libstatic_assertions-33a68650c5dc8b93.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-c7fa6d037bd9b2f8.rmeta --extern tap=/opt/rustwide/target/debug/deps/libtap-2943c8a562d5aefe.rmeta --extern text_io=/opt/rustwide/target/debug/deps/libtext_io-11a31ed76b02c43a.rmeta --extern varisat=/opt/rustwide/target/debug/deps/libvarisat-0746380b8501d357.rmeta --document-private-items '-Arustdoc::private-intra-doc-links' --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5e0a408afbe4bf4cc31fc13f60bb91385725f8c635d5e3d2338af94ecb592caa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e0a408afbe4bf4cc31fc13f60bb91385725f8c635d5e3d2338af94ecb592caa", kill_on_drop: false }`
[INFO] [stdout] 5e0a408afbe4bf4cc31fc13f60bb91385725f8c635d5e3d2338af94ecb592caa