[INFO] cloning repository https://github.com/n4o847/procon-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/n4o847/procon-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn4o847%2Fprocon-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn4o847%2Fprocon-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 07ccf4246e1177984a5bfb3d066df91040ac0dd7
[INFO] documenting n4o847/procon-rust against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn4o847%2Fprocon-rust" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/n4o847/procon-rust on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-10/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/n4o847/procon-rust
[INFO] finished tweaking git repo https://github.com/n4o847/procon-rust
[INFO] tweaked toml for git repo https://github.com/n4o847/procon-rust written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/n4o847/procon-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded text_io v0.1.8
[INFO] [stderr]   Downloaded proc-macro2 v1.0.9
[INFO] [stderr]   Downloaded sized-chunks v0.5.3
[INFO] [stderr]   Downloaded im-rc v14.3.0
[INFO] [stderr]   Downloaded ascii v1.0.0
[INFO] [stderr]   Downloaded proconio-derive v0.1.6
[INFO] [stderr]   Downloaded bitset-fixed v0.1.0
[INFO] [stderr]   Downloaded itertools-num v0.1.3
[INFO] [stderr]   Downloaded superslice v1.0.0
[INFO] [stderr]   Downloaded bitmaps v2.0.0
[INFO] [stderr]   Downloaded alga v0.9.3
[INFO] [stderr]   Downloaded num-derive v0.3.0
[INFO] [stderr]   Downloaded ndarray v0.13.0
[INFO] [stderr]   Downloaded syn v1.0.16
[INFO] [stderr]   Downloaded proconio v0.3.7
[INFO] [stderr]   Downloaded regex v1.3.6
[INFO] [stderr]   Downloaded whiteread v0.5.0
[INFO] [stderr]   Downloaded nalgebra v0.20.0
[INFO] [stderr]   Downloaded cargo-snippet v0.6.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "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] 8d185e5ae515f0659e224742e2e9b4cb9201793d723bea4e90c370b5fc070403
[INFO] running `Command { std: "docker" "start" "-a" "8d185e5ae515f0659e224742e2e9b4cb9201793d723bea4e90c370b5fc070403", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d185e5ae515f0659e224742e2e9b4cb9201793d723bea4e90c370b5fc070403", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d185e5ae515f0659e224742e2e9b4cb9201793d723bea4e90c370b5fc070403", kill_on_drop: false }`
[INFO] [stdout] 8d185e5ae515f0659e224742e2e9b4cb9201793d723bea4e90c370b5fc070403
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", 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] 47df65cd979076d72964afa558be03f112d8cbdd36c794c69ad6590adf5d413d
[INFO] running `Command { std: "docker" "start" "-a" "47df65cd979076d72964afa558be03f112d8cbdd36c794c69ad6590adf5d413d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling ndarray v0.13.0
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]    Compiling cargo-snippet v0.6.3
[INFO] [stderr]     Checking ascii v1.0.0
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking permutohedron v0.2.4
[INFO] [stderr]     Checking superslice v1.0.0
[INFO] [stderr]     Checking bitset-fixed v0.1.0
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]     Checking whiteread v0.5.0
[INFO] [stderr]     Checking text_io v0.1.8
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling im-rc v14.3.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking bitmaps v2.0.0
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking petgraph v0.5.0
[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 regex v1.3.6
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking num-iter v0.1.40
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking alga v0.9.3
[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 num v0.2.1
[INFO] [stderr]     Checking rand_distr v0.2.2
[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 v0.3.7
[INFO] [stderr]  Documenting competitive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 25s
[INFO] running `Command { std: "docker" "inspect" "47df65cd979076d72964afa558be03f112d8cbdd36c794c69ad6590adf5d413d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47df65cd979076d72964afa558be03f112d8cbdd36c794c69ad6590adf5d413d", kill_on_drop: false }`
[INFO] [stdout] 47df65cd979076d72964afa558be03f112d8cbdd36c794c69ad6590adf5d413d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", 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] 6e5af3c972cf5cbd8d05f57de33cf55be81d7c15693a0e388990aadf714194d8
[INFO] running `Command { std: "docker" "start" "-a" "6e5af3c972cf5cbd8d05f57de33cf55be81d7c15693a0e388990aadf714194d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling syn v1.0.16
[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 rustc-hash v1.1.0
[INFO] [stderr]     Checking ascii v1.0.0
[INFO] [stderr]    Compiling cargo-snippet v0.6.3
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]     Checking superslice v1.0.0
[INFO] [stderr]     Checking bitset-fixed v0.1.0
[INFO] [stderr]     Checking whiteread v0.5.0
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking text_io v0.1.8
[INFO] [stderr]     Checking permutohedron v0.2.4
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[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 indexmap v1.3.2
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking bitmaps v2.0.0
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking petgraph v0.5.0
[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_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 regex v1.3.6
[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 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 v0.3.7
[INFO] [stderr]  Documenting competitive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 24s
[INFO] running `Command { std: "docker" "inspect" "6e5af3c972cf5cbd8d05f57de33cf55be81d7c15693a0e388990aadf714194d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e5af3c972cf5cbd8d05f57de33cf55be81d7c15693a0e388990aadf714194d8", kill_on_drop: false }`
[INFO] [stdout] 6e5af3c972cf5cbd8d05f57de33cf55be81d7c15693a0e388990aadf714194d8