[INFO] cloning repository https://github.com/itok01/atcoder-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/itok01/atcoder-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitok01%2Fatcoder-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitok01%2Fatcoder-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2914f7322c9dfd2546b9f7e3104aec707d1cfc24
[INFO] documenting itok01/atcoder-rust against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitok01%2Fatcoder-rust" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/itok01/atcoder-rust on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/itok01/atcoder-rust
[INFO] finished tweaking git repo https://github.com/itok01/atcoder-rust
[INFO] tweaked toml for git repo https://github.com/itok01/atcoder-rust written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/itok01/atcoder-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bbf1b486e8d9af3161a279f7b1f3faccfbe712a1757300279a76055f710d0dfc
[INFO] running `Command { std: "docker" "start" "-a" "bbf1b486e8d9af3161a279f7b1f3faccfbe712a1757300279a76055f710d0dfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbf1b486e8d9af3161a279f7b1f3faccfbe712a1757300279a76055f710d0dfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbf1b486e8d9af3161a279f7b1f3faccfbe712a1757300279a76055f710d0dfc", kill_on_drop: false }`
[INFO] [stdout] bbf1b486e8d9af3161a279f7b1f3faccfbe712a1757300279a76055f710d0dfc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31a07d6d19d4825ffeba2e74a09ae410b93e47fccd3f3163d1ca179224e14628
[INFO] running `Command { std: "docker" "start" "-a" "31a07d6d19d4825ffeba2e74a09ae410b93e47fccd3f3163d1ca179224e14628", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling ndarray v0.13.0
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking permutohedron v0.2.4
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking bitset-fixed v0.1.0
[INFO] [stderr]     Checking ascii v1.0.0
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking whiteread v0.5.0
[INFO] [stderr]     Checking superslice v1.0.0
[INFO] [stderr]     Checking text_io v0.1.8
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking itertools v0.9.0
[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]    Compiling im-rc v14.3.0
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking petgraph v0.5.0
[INFO] [stderr]     Checking getrandom v0.1.14
[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_pcg v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]     Checking rand_hc v0.2.0
[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 rand v0.7.3
[INFO] [stderr]     Checking alga v0.9.3
[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]     Checking sized-chunks v0.5.3
[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 atcoder-rust v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not document `atcoder-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name abc042_b src/bin/abc042_b.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern alga=/opt/rustwide/target/debug/deps/libalga-831daeecf25a9664.rmeta --extern ascii=/opt/rustwide/target/debug/deps/libascii-c98a653cb4388742.rmeta --extern bitset_fixed=/opt/rustwide/target/debug/deps/libbitset_fixed-71b94691cb9d58b3.rmeta --extern either=/opt/rustwide/target/debug/deps/libeither-2dcc66032901beb2.rmeta --extern fixedbitset=/opt/rustwide/target/debug/deps/libfixedbitset-cfe04c78afe49282.rmeta --extern getrandom=/opt/rustwide/target/debug/deps/libgetrandom-4e149045fe739acc.rmeta --extern im_rc=/opt/rustwide/target/debug/deps/libim_rc-b20b4561617ed9f7.rmeta --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-65a4db460a7d14d5.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-c4c64193375fa54a.rmeta --extern itertools_num=/opt/rustwide/target/debug/deps/libitertools_num-a3d72d3d2c254c5b.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-acd7d23482fe8b54.rmeta --extern libm=/opt/rustwide/target/debug/deps/liblibm-90d9a27ee6ba8ec2.rmeta --extern maplit=/opt/rustwide/target/debug/deps/libmaplit-edcadb5581f67864.rmeta --extern nalgebra=/opt/rustwide/target/debug/deps/libnalgebra-b030652171a770a5.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-1dfdc29be13e28ab.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-7a76de5a8d82e53a.rmeta --extern num_bigint=/opt/rustwide/target/debug/deps/libnum_bigint-9d8a99cc4f31d481.rmeta --extern num_complex=/opt/rustwide/target/debug/deps/libnum_complex-c92fd5ef35a88bfd.rmeta --extern num_derive=/opt/rustwide/target/debug/deps/libnum_derive-e8737a0461ad0c08.so --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-c4168301705a7a79.rmeta --extern num_iter=/opt/rustwide/target/debug/deps/libnum_iter-74e87ba0828e77b7.rmeta --extern num_rational=/opt/rustwide/target/debug/deps/libnum_rational-35482f32b753ebcf.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-acf29660f960731d.rmeta --extern ordered_float=/opt/rustwide/target/debug/deps/libordered_float-f4fc9d4ef3fef896.rmeta --extern permutohedron=/opt/rustwide/target/debug/deps/libpermutohedron-48138127f651de89.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-546dcbb44c2056ce.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-bc0ec59948af1442.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-bb7908d9e1901f63.rmeta --extern rand_chacha=/opt/rustwide/target/debug/deps/librand_chacha-c5d063b574e8c663.rmeta --extern rand_core=/opt/rustwide/target/debug/deps/librand_core-f7564195c629f4f9.rmeta --extern rand_distr=/opt/rustwide/target/debug/deps/librand_distr-15f98d48810637c4.rmeta --extern rand_hc=/opt/rustwide/target/debug/deps/librand_hc-bd9e6268bca5ab40.rmeta --extern rand_pcg=/opt/rustwide/target/debug/deps/librand_pcg-78e436a5f8948134.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-43d94f64e7e01d80.rmeta --extern rustc_hash=/opt/rustwide/target/debug/deps/librustc_hash-435af4ab78bf1cae.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-ddf2912d532cb794.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-401954904d801de3.rmeta --extern text_io=/opt/rustwide/target/debug/deps/libtext_io-d132c771d51bc605.rmeta --extern whiteread=/opt/rustwide/target/debug/deps/libwhiteread-703dde676d56e6e7.rmeta --cap-lints=warn --crate-version 1.0.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "31a07d6d19d4825ffeba2e74a09ae410b93e47fccd3f3163d1ca179224e14628", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31a07d6d19d4825ffeba2e74a09ae410b93e47fccd3f3163d1ca179224e14628", kill_on_drop: false }`
[INFO] [stdout] 31a07d6d19d4825ffeba2e74a09ae410b93e47fccd3f3163d1ca179224e14628
