[INFO] cloning repository https://github.com/terry-u16/tessoku-book
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/terry-u16/tessoku-book" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fterry-u16%2Ftessoku-book", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fterry-u16%2Ftessoku-book'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 12cdae1e0c0d919c4e578c229c4805db62e7ad6f
[INFO] documenting terry-u16/tessoku-book 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%2Fterry-u16%2Ftessoku-book" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/terry-u16/tessoku-book
[INFO] finished tweaking git repo https://github.com/terry-u16/tessoku-book
[INFO] tweaked toml for git repo https://github.com/terry-u16/tessoku-book written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/terry-u16/tessoku-book 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/terry-u16/tessoku-book 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 652bca1619fb830b203da070cd3a6ea486a2e61d5c43430d67df3f84f7c4d666
[INFO] running `Command { std: "docker" "start" "-a" "652bca1619fb830b203da070cd3a6ea486a2e61d5c43430d67df3f84f7c4d666", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "652bca1619fb830b203da070cd3a6ea486a2e61d5c43430d67df3f84f7c4d666", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "652bca1619fb830b203da070cd3a6ea486a2e61d5c43430d67df3f84f7c4d666", kill_on_drop: false }`
[INFO] [stdout] 652bca1619fb830b203da070cd3a6ea486a2e61d5c43430d67df3f84f7c4d666
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 83a4211dd947409b619d4149c3079dad9fea06402c9c29029c52f13c19036b6b
[INFO] running `Command { std: "docker" "start" "-a" "83a4211dd947409b619d4149c3079dad9fea06402c9c29029c52f13c19036b6b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]    Compiling im-rc v14.3.0
[INFO] [stderr]    Compiling ndarray v0.13.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking itertools-num v0.1.3
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]     Checking text_io v0.1.8
[INFO] [stderr]     Checking ascii v1.0.0
[INFO] [stderr]     Checking whiteread v0.5.0
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking bitset-fixed v0.1.0
[INFO] [stderr]     Checking superslice v1.0.0
[INFO] [stderr]     Checking permutohedron v0.2.4
[INFO] [stderr]     Checking petgraph v0.5.0
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling quote v1.0.3
[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 rand v0.7.3
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking sized-chunks v0.5.3
[INFO] [stderr]     Checking regex v1.3.6
[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 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=2018 --crate-type bin --crate-name tessoku_book_a56 src/bin/a56.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=9f809d7907af7854 -L dependency=/opt/rustwide/target/debug/deps --extern alga=/opt/rustwide/target/debug/deps/libalga-ada4758bfb30ee68.rmeta --extern ascii=/opt/rustwide/target/debug/deps/libascii-34cb2f3789798534.rmeta --extern bitset_fixed=/opt/rustwide/target/debug/deps/libbitset_fixed-01a5e50aa257467d.rmeta --extern either=/opt/rustwide/target/debug/deps/libeither-428ba6c348e601ff.rmeta --extern fixedbitset=/opt/rustwide/target/debug/deps/libfixedbitset-e7c797c8e1764fa7.rmeta --extern getrandom=/opt/rustwide/target/debug/deps/libgetrandom-6e96faad6abf54fb.rmeta --extern im_rc=/opt/rustwide/target/debug/deps/libim_rc-18ff71b65cc0bfe5.rmeta --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-465bd4b16800947e.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-c1bf9b845dcd9f21.rmeta --extern itertools_num=/opt/rustwide/target/debug/deps/libitertools_num-5c32cebb6ae85488.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-9aab62fbfc567b13.rmeta --extern libm=/opt/rustwide/target/debug/deps/liblibm-0e489989ad646f21.rmeta --extern maplit=/opt/rustwide/target/debug/deps/libmaplit-52bdd2bc93baf8ac.rmeta --extern nalgebra=/opt/rustwide/target/debug/deps/libnalgebra-4ced57cc72db945b.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-56a5cf4cfe56348e.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-1c09ebd1edeac066.rmeta --extern num_bigint=/opt/rustwide/target/debug/deps/libnum_bigint-a49724a1f09288b4.rmeta --extern num_complex=/opt/rustwide/target/debug/deps/libnum_complex-d801ee8f4fa3db75.rmeta --extern num_derive=/opt/rustwide/target/debug/deps/libnum_derive-9f8b7dbd384a99cb.so --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-001f83d9cafe67f9.rmeta --extern num_iter=/opt/rustwide/target/debug/deps/libnum_iter-8643c1589ef2da4d.rmeta --extern num_rational=/opt/rustwide/target/debug/deps/libnum_rational-4e586340f739376a.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-cb5c10cd27bf4d78.rmeta --extern ordered_float=/opt/rustwide/target/debug/deps/libordered_float-23c48b315cf30759.rmeta --extern permutohedron=/opt/rustwide/target/debug/deps/libpermutohedron-e58d3a5cf5676539.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-9107fdaef781d62f.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-1709290b1461968b.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-965889cb0d13a1ec.rmeta --extern rand_chacha=/opt/rustwide/target/debug/deps/librand_chacha-18e45820c047be65.rmeta --extern rand_core=/opt/rustwide/target/debug/deps/librand_core-4386ebcb6db42b09.rmeta --extern rand_distr=/opt/rustwide/target/debug/deps/librand_distr-4ef0bd47f538a22d.rmeta --extern rand_hc=/opt/rustwide/target/debug/deps/librand_hc-87272f62700d73fd.rmeta --extern rand_pcg=/opt/rustwide/target/debug/deps/librand_pcg-56627c72e3e3752d.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-847a092db211ed2b.rmeta --extern rustc_hash=/opt/rustwide/target/debug/deps/librustc_hash-ba0eae090a9795a0.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-3b25692b0b58e6d0.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-c7fa6d037bd9b2f8.rmeta --extern text_io=/opt/rustwide/target/debug/deps/libtext_io-d7945a75516023af.rmeta --extern whiteread=/opt/rustwide/target/debug/deps/libwhiteread-59bc6b939a59aeaf.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] [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=2018 --crate-type bin --crate-name tessoku_book_a37 src/bin/a37.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=c10e092d24541f1a -L dependency=/opt/rustwide/target/debug/deps --extern alga=/opt/rustwide/target/debug/deps/libalga-ada4758bfb30ee68.rmeta --extern ascii=/opt/rustwide/target/debug/deps/libascii-34cb2f3789798534.rmeta --extern bitset_fixed=/opt/rustwide/target/debug/deps/libbitset_fixed-01a5e50aa257467d.rmeta --extern either=/opt/rustwide/target/debug/deps/libeither-428ba6c348e601ff.rmeta --extern fixedbitset=/opt/rustwide/target/debug/deps/libfixedbitset-e7c797c8e1764fa7.rmeta --extern getrandom=/opt/rustwide/target/debug/deps/libgetrandom-6e96faad6abf54fb.rmeta --extern im_rc=/opt/rustwide/target/debug/deps/libim_rc-18ff71b65cc0bfe5.rmeta --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-465bd4b16800947e.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-c1bf9b845dcd9f21.rmeta --extern itertools_num=/opt/rustwide/target/debug/deps/libitertools_num-5c32cebb6ae85488.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-9aab62fbfc567b13.rmeta --extern libm=/opt/rustwide/target/debug/deps/liblibm-0e489989ad646f21.rmeta --extern maplit=/opt/rustwide/target/debug/deps/libmaplit-52bdd2bc93baf8ac.rmeta --extern nalgebra=/opt/rustwide/target/debug/deps/libnalgebra-4ced57cc72db945b.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-56a5cf4cfe56348e.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-1c09ebd1edeac066.rmeta --extern num_bigint=/opt/rustwide/target/debug/deps/libnum_bigint-a49724a1f09288b4.rmeta --extern num_complex=/opt/rustwide/target/debug/deps/libnum_complex-d801ee8f4fa3db75.rmeta --extern num_derive=/opt/rustwide/target/debug/deps/libnum_derive-9f8b7dbd384a99cb.so --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-001f83d9cafe67f9.rmeta --extern num_iter=/opt/rustwide/target/debug/deps/libnum_iter-8643c1589ef2da4d.rmeta --extern num_rational=/opt/rustwide/target/debug/deps/libnum_rational-4e586340f739376a.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-cb5c10cd27bf4d78.rmeta --extern ordered_float=/opt/rustwide/target/debug/deps/libordered_float-23c48b315cf30759.rmeta --extern permutohedron=/opt/rustwide/target/debug/deps/libpermutohedron-e58d3a5cf5676539.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-9107fdaef781d62f.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-1709290b1461968b.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-965889cb0d13a1ec.rmeta --extern rand_chacha=/opt/rustwide/target/debug/deps/librand_chacha-18e45820c047be65.rmeta --extern rand_core=/opt/rustwide/target/debug/deps/librand_core-4386ebcb6db42b09.rmeta --extern rand_distr=/opt/rustwide/target/debug/deps/librand_distr-4ef0bd47f538a22d.rmeta --extern rand_hc=/opt/rustwide/target/debug/deps/librand_hc-87272f62700d73fd.rmeta --extern rand_pcg=/opt/rustwide/target/debug/deps/librand_pcg-56627c72e3e3752d.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-847a092db211ed2b.rmeta --extern rustc_hash=/opt/rustwide/target/debug/deps/librustc_hash-ba0eae090a9795a0.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-3b25692b0b58e6d0.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-c7fa6d037bd9b2f8.rmeta --extern text_io=/opt/rustwide/target/debug/deps/libtext_io-d7945a75516023af.rmeta --extern whiteread=/opt/rustwide/target/debug/deps/libwhiteread-59bc6b939a59aeaf.rmeta --document-private-items '-Arustdoc::private-intra-doc-links' --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "83a4211dd947409b619d4149c3079dad9fea06402c9c29029c52f13c19036b6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83a4211dd947409b619d4149c3079dad9fea06402c9c29029c52f13c19036b6b", kill_on_drop: false }`
[INFO] [stdout] 83a4211dd947409b619d4149c3079dad9fea06402c9c29029c52f13c19036b6b