[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 beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitok01%2Fatcoder-rust" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/itok01/atcoder-rust on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", 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-2/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" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded superslice v1.0.0
[INFO] [stderr]   Downloaded ndarray v0.13.0
[INFO] [stderr]   Downloaded whiteread v0.5.0
[INFO] [stderr]   Downloaded ascii v1.0.0
[INFO] [stderr]   Downloaded petgraph v0.5.0
[INFO] [stderr]   Downloaded bitset-fixed v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 786049fa155c64ffaf01b406ba06ab948431e7d8c12578c305f2d4079580a599
[INFO] running `Command { std: "docker" "start" "-a" "786049fa155c64ffaf01b406ba06ab948431e7d8c12578c305f2d4079580a599", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "786049fa155c64ffaf01b406ba06ab948431e7d8c12578c305f2d4079580a599", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "786049fa155c64ffaf01b406ba06ab948431e7d8c12578c305f2d4079580a599", kill_on_drop: false }`
[INFO] [stdout] 786049fa155c64ffaf01b406ba06ab948431e7d8c12578c305f2d4079580a599
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1b2de34131534559283dd9ff86247cf84f2fd480e5dfe464ef39b5460369f86
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d1b2de34131534559283dd9ff86247cf84f2fd480e5dfe464ef39b5460369f86", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling ndarray v0.13.0
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking bitset-fixed v0.1.0
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]     Checking permutohedron v0.2.4
[INFO] [stderr]     Checking superslice v1.0.0
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking whiteread v0.5.0
[INFO] [stderr]     Checking text_io v0.1.8
[INFO] [stderr]     Checking ascii v1.0.0
[INFO] [stderr]     Checking rustc-hash v1.1.0
[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 num-iter v0.1.40
[INFO] [stderr]    Compiling im-rc v14.3.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]     Checking generic-array v0.13.2
[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 approx v0.3.2
[INFO] [stderr]     Checking itertools-num v0.1.3
[INFO] [stderr]     Checking ordered-float v1.0.2
[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 rand v0.7.3
[INFO] [stderr]     Checking alga v0.9.3
[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 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 abc086_a src/bin/abc086_a.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-5595b79fcf02ead5.rmeta --extern ascii=/opt/rustwide/target/debug/deps/libascii-ef32d6666b55b099.rmeta --extern bitset_fixed=/opt/rustwide/target/debug/deps/libbitset_fixed-6aae98163060a91a.rmeta --extern either=/opt/rustwide/target/debug/deps/libeither-c77042c908435a24.rmeta --extern fixedbitset=/opt/rustwide/target/debug/deps/libfixedbitset-4e1e1cff85be3b97.rmeta --extern getrandom=/opt/rustwide/target/debug/deps/libgetrandom-323c4c2aa26029da.rmeta --extern im_rc=/opt/rustwide/target/debug/deps/libim_rc-057f58e605e5b3a4.rmeta --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-f7b1d1fb29023446.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-83b0824e0e267623.rmeta --extern itertools_num=/opt/rustwide/target/debug/deps/libitertools_num-671e5902d0cbc5d0.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-db88f49d9e5662e7.rmeta --extern libm=/opt/rustwide/target/debug/deps/liblibm-1353067867354ce4.rmeta --extern maplit=/opt/rustwide/target/debug/deps/libmaplit-d389981351953744.rmeta --extern nalgebra=/opt/rustwide/target/debug/deps/libnalgebra-1fa3943923785b96.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-1cca834921cb4fbb.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-2034964ed8d65f12.rmeta --extern num_bigint=/opt/rustwide/target/debug/deps/libnum_bigint-6b23085e3ccd5b44.rmeta --extern num_complex=/opt/rustwide/target/debug/deps/libnum_complex-2397cd7b72cf9947.rmeta --extern num_derive=/opt/rustwide/target/debug/deps/libnum_derive-d02a198e20526cd6.so --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-4d433e4ac786212d.rmeta --extern num_iter=/opt/rustwide/target/debug/deps/libnum_iter-cce9146e23af7487.rmeta --extern num_rational=/opt/rustwide/target/debug/deps/libnum_rational-04cc48e7377642a0.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-76e9a6899ab550cc.rmeta --extern ordered_float=/opt/rustwide/target/debug/deps/libordered_float-8ed18fb5df6eb898.rmeta --extern permutohedron=/opt/rustwide/target/debug/deps/libpermutohedron-0ced619323eba3ff.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-81f90cd23b696ddf.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-88f990219e393329.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-a36a94be22667900.rmeta --extern rand_chacha=/opt/rustwide/target/debug/deps/librand_chacha-7fa564fb31bb7088.rmeta --extern rand_core=/opt/rustwide/target/debug/deps/librand_core-4a82ec5a39ce5e21.rmeta --extern rand_distr=/opt/rustwide/target/debug/deps/librand_distr-72db5ba171aacb88.rmeta --extern rand_hc=/opt/rustwide/target/debug/deps/librand_hc-cb4691fc393f0915.rmeta --extern rand_pcg=/opt/rustwide/target/debug/deps/librand_pcg-1f0b06b79b00e994.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-2e2fc5162a0c2923.rmeta --extern rustc_hash=/opt/rustwide/target/debug/deps/librustc_hash-5440b0c1920eddab.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-3b8e1ae20a7b9874.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-38ab6a75210280a8.rmeta --extern text_io=/opt/rustwide/target/debug/deps/libtext_io-c34a067b65136fe0.rmeta --extern whiteread=/opt/rustwide/target/debug/deps/libwhiteread-8929d7d148ec382c.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" "d1b2de34131534559283dd9ff86247cf84f2fd480e5dfe464ef39b5460369f86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1b2de34131534559283dd9ff86247cf84f2fd480e5dfe464ef39b5460369f86", kill_on_drop: false }`
[INFO] [stdout] d1b2de34131534559283dd9ff86247cf84f2fd480e5dfe464ef39b5460369f86