[INFO] updating cached repository https://github.com/RheoTommy/rust_at_coder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9ff6286d510211733783f0d452ca6136ce50e4c4
[INFO] documenting RheoTommy/rust_at_coder against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRheoTommy%2Frust_at_coder" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/RheoTommy/rust_at_coder on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RheoTommy/rust_at_coder
[INFO] finished tweaking git repo https://github.com/RheoTommy/rust_at_coder
[INFO] tweaked toml for git repo https://github.com/RheoTommy/rust_at_coder written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/RheoTommy/rust_at_coder already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 326eb5eda5aba85233b3ffa28b458f86f1c02935731483c88daa6f0a8f532296
[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" "326eb5eda5aba85233b3ffa28b458f86f1c02935731483c88daa6f0a8f532296", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "326eb5eda5aba85233b3ffa28b458f86f1c02935731483c88daa6f0a8f532296", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "326eb5eda5aba85233b3ffa28b458f86f1c02935731483c88daa6f0a8f532296", kill_on_drop: false }`
[INFO] [stdout] 326eb5eda5aba85233b3ffa28b458f86f1c02935731483c88daa6f0a8f532296
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f84b1558564ddf983483c96933752b48a31b86f481529887dd404ccd9bc5b96f
[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" "f84b1558564ddf983483c96933752b48a31b86f481529887dd404ccd9bc5b96f", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling syn v1.0.21
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking text_io v0.1.8
[INFO] [stderr]     Checking bitset-fixed v0.1.0
[INFO] [stderr]     Checking permutohedron v0.2.4
[INFO] [stderr]     Checking whiteread v0.5.0
[INFO] [stderr]     Checking ascii v1.0.0
[INFO] [stderr]     Checking superslice v1.0.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking itertools v0.9.0
[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 num-iter v0.1.40
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling quote v1.0.5
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking aho-corasick v0.7.10
[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 regex v1.3.7
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking petgraph v0.5.0
[INFO] [stderr]     Checking sized-chunks v0.5.3
[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 rand_distr v0.2.2
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]    Compiling num-derive v0.3.0
[INFO] [stderr]     Checking nalgebra v0.20.0
[INFO] [stderr]    Compiling proconio-derive v0.1.6
[INFO] [stderr]     Checking proconio v0.3.6
[INFO] [stderr]     Checking at_coder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting at_coder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: Could not document `at_coder`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name d src/bin/d.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-6c5484f46cfad5f6.rmeta --extern ascii=/opt/rustwide/target/debug/deps/libascii-92d613a4b7a3aa9f.rmeta --extern at_coder=/opt/rustwide/target/debug/deps/libat_coder-a754846fb2c9e33a.rmeta --extern bitset_fixed=/opt/rustwide/target/debug/deps/libbitset_fixed-d85dc6cf007a826b.rmeta --extern either=/opt/rustwide/target/debug/deps/libeither-2a5da575b1bf33be.rmeta --extern fixedbitset=/opt/rustwide/target/debug/deps/libfixedbitset-9551baa09afd7c08.rmeta --extern getrandom=/opt/rustwide/target/debug/deps/libgetrandom-46a3ba15a8286ac6.rmeta --extern im_rc=/opt/rustwide/target/debug/deps/libim_rc-f7863b65328837bf.rmeta --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-83f68d6f4e8d9170.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-17d6f92aed1ce7a6.rmeta --extern itertools_num=/opt/rustwide/target/debug/deps/libitertools_num-fea0d34ceebb9503.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-b2c940d7bd864b5c.rmeta --extern libm=/opt/rustwide/target/debug/deps/liblibm-4b32836dd1cdee4e.rmeta --extern maplit=/opt/rustwide/target/debug/deps/libmaplit-ffaafa6fd4a87789.rmeta --extern nalgebra=/opt/rustwide/target/debug/deps/libnalgebra-5f8ae06c783144b6.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-d502026764690ba2.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-4cedef74725b3693.rmeta --extern num_bigint=/opt/rustwide/target/debug/deps/libnum_bigint-b2f9fb90a569cf49.rmeta --extern num_complex=/opt/rustwide/target/debug/deps/libnum_complex-d192f7b1f7290b1c.rmeta --extern num_derive=/opt/rustwide/target/debug/deps/libnum_derive-93be2bdd8618165d.so --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-9eb17beff1877749.rmeta --extern num_iter=/opt/rustwide/target/debug/deps/libnum_iter-c276346b55b9e890.rmeta --extern num_rational=/opt/rustwide/target/debug/deps/libnum_rational-14f790e6a1c88b5c.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-cdfe0f5615127e44.rmeta --extern ordered_float=/opt/rustwide/target/debug/deps/libordered_float-a3a4786c4d934e8d.rmeta --extern permutohedron=/opt/rustwide/target/debug/deps/libpermutohedron-cb8a80df01564678.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-dfea90175e2297d6.rmeta --extern proconio=/opt/rustwide/target/debug/deps/libproconio-756d52356cbd6ded.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-8f865626bbf5c733.rmeta --extern rand_chacha=/opt/rustwide/target/debug/deps/librand_chacha-1bc4d8d17d84fb03.rmeta --extern rand_core=/opt/rustwide/target/debug/deps/librand_core-3d7186a1466e8e3c.rmeta --extern rand_distr=/opt/rustwide/target/debug/deps/librand_distr-c28c3d27dee23415.rmeta --extern rand_hc=/opt/rustwide/target/debug/deps/librand_hc-e5c1c112cb3cd79b.rmeta --extern rand_pcg=/opt/rustwide/target/debug/deps/librand_pcg-52bf85fd2ba32cd4.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-4fe1f4d8e80b7929.rmeta --extern rustc_hash=/opt/rustwide/target/debug/deps/librustc_hash-c3be73f3935c5841.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-2a2cea31e1508281.rmeta --extern superslice=/opt/rustwide/target/debug/deps/libsuperslice-a81630815773210a.rmeta --extern text_io=/opt/rustwide/target/debug/deps/libtext_io-223728d0836fb3c8.rmeta --extern whiteread=/opt/rustwide/target/debug/deps/libwhiteread-93841fa041cb9d1f.rmeta --cap-lints=forbid` (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" "f84b1558564ddf983483c96933752b48a31b86f481529887dd404ccd9bc5b96f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f84b1558564ddf983483c96933752b48a31b86f481529887dd404ccd9bc5b96f", kill_on_drop: false }`
[INFO] [stdout] f84b1558564ddf983483c96933752b48a31b86f481529887dd404ccd9bc5b96f