[INFO] cloning repository https://github.com/gifnksm/ProjectEulerRust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gifnksm/ProjectEulerRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgifnksm%2FProjectEulerRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgifnksm%2FProjectEulerRust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ea81d59153676c7837cf1eb8faa3826fb92d1c52
[INFO] documenting gifnksm/ProjectEulerRust against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgifnksm%2FProjectEulerRust" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gifnksm/ProjectEulerRust on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gifnksm/ProjectEulerRust
[INFO] finished tweaking git repo https://github.com/gifnksm/ProjectEulerRust
[INFO] tweaked toml for git repo https://github.com/gifnksm/ProjectEulerRust written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/gifnksm/ProjectEulerRust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded term v0.7.0
[INFO] [stderr]   Downloaded attohttpc v0.17.0
[INFO] [stderr]   Downloaded openssl v0.10.34
[INFO] [stderr]   Downloaded security-framework v2.2.0
[INFO] [stderr]   Downloaded openssl-sys v0.9.63
[INFO] [stderr]   Downloaded generic-matrix v0.1.0
[INFO] [stderr]   Downloaded polynomial v0.1.0
[INFO] [stderr]   Downloaded union-find v0.3.2
[INFO] [stderr]   Downloaded derive-try-from-primitive v1.0.0
[INFO] [stderr]   Downloaded topological-sort v0.1.0
[INFO] [stderr]   Downloaded security-framework-sys v2.2.0
[INFO] [stderr]   Downloaded wildmatch v1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44dcd1bd95728eec8a1b8d72e4ea88ba428ff3b7807478a5ca4f6ecc8160e0d1
[INFO] running `Command { std: "docker" "start" "-a" "44dcd1bd95728eec8a1b8d72e4ea88ba428ff3b7807478a5ca4f6ecc8160e0d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44dcd1bd95728eec8a1b8d72e4ea88ba428ff3b7807478a5ca4f6ecc8160e0d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44dcd1bd95728eec8a1b8d72e4ea88ba428ff3b7807478a5ca4f6ecc8160e0d1", kill_on_drop: false }`
[INFO] [stdout] 44dcd1bd95728eec8a1b8d72e4ea88ba428ff3b7807478a5ca4f6ecc8160e0d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a1bb96ca3460f9289c5e50718c5ec3de99779db9a9cdbe4d46091339dbad580
[INFO] running `Command { std: "docker" "start" "-a" "8a1bb96ca3460f9289c5e50718c5ec3de99779db9a9cdbe4d46091339dbad580", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling openssl v0.10.34
[INFO] [stderr]     Checking gimli v0.24.0
[INFO] [stderr]     Checking rustc-demangle v0.1.19
[INFO] [stderr]     Checking object v0.24.0
[INFO] [stderr]     Checking wildmatch v1.1.0
[INFO] [stderr]     Checking topological-sort v0.1.0
[INFO] [stderr]     Checking playing_card v0.0.1 (/opt/rustwide/workdir/pkg/playing_card)
[INFO] [stderr]     Checking union-find v0.3.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling openssl-sys v0.9.63
[INFO] [stderr]     Checking tinyvec v1.2.0
[INFO] [stderr]    Compiling backtrace v0.3.59
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking iter v0.0.1 (/opt/rustwide/workdir/pkg/iter)
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking polynomial v0.1.0
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking generic-matrix v0.1.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking seq v0.0.1 (/opt/rustwide/workdir/pkg/seq)
[INFO] [stderr]     Checking prime v0.0.1 (/opt/rustwide/workdir/pkg/prime)
[INFO] [stderr]     Checking num-iter v0.1.42
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]     Checking integer v0.0.1 (/opt/rustwide/workdir/pkg/integer)
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking cont_frac v0.0.1 (/opt/rustwide/workdir/pkg/cont_frac)
[INFO] [stderr]     Checking addr2line v0.15.1
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking attohttpc v0.17.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling derive-try-from-primitive v1.0.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking serde v1.0.125
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking ProjectEulerRust v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting ProjectEulerRust v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not document `ProjectEulerRust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name p045 src/bin/p045.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern common=/opt/rustwide/target/debug/deps/libcommon-4b46291c4396f2a0.rmeta --extern attohttpc=/opt/rustwide/target/debug/deps/libattohttpc-8ad6be578344d3a2.rmeta --extern cont_frac=/opt/rustwide/target/debug/deps/libcont_frac-01fbff30e62aba9c.rmeta --extern derive_try_from_primitive=/opt/rustwide/target/debug/deps/libderive_try_from_primitive-da9dfa684b282524.so --extern failure=/opt/rustwide/target/debug/deps/libfailure-f22243bb8b802230.rmeta --extern failure_derive=/opt/rustwide/target/debug/deps/libfailure_derive-e70038c654690e06.so --extern generic_matrix=/opt/rustwide/target/debug/deps/libgeneric_matrix-a67ad5adcbcf4a91.rmeta --extern getopts=/opt/rustwide/target/debug/deps/libgetopts-2d68dd96af7a3637.rmeta --extern glob=/opt/rustwide/target/debug/deps/libglob-029696837cd6fb58.rmeta --extern integer=/opt/rustwide/target/debug/deps/libinteger-a7cf073bd72cafbf.rmeta --extern iter=/opt/rustwide/target/debug/deps/libiter-e79e8338136ac625.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-0219993a3d642127.rmeta --extern num_bigint=/opt/rustwide/target/debug/deps/libnum_bigint-91e8ee3d0a77da78.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-61aa680c8bcd5961.rmeta --extern num_iter=/opt/rustwide/target/debug/deps/libnum_iter-e6d47c5d7a3fc690.rmeta --extern num_rational=/opt/rustwide/target/debug/deps/libnum_rational-1e45cc891fde7473.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-eef4fcc8be0149bf.rmeta --extern playing_card=/opt/rustwide/target/debug/deps/libplaying_card-fbd36dca5a890eb6.rmeta --extern polynomial=/opt/rustwide/target/debug/deps/libpolynomial-6847e788d808ad7e.rmeta --extern pretty_env_logger=/opt/rustwide/target/debug/deps/libpretty_env_logger-cd2e749ffb169e38.rmeta --extern prime=/opt/rustwide/target/debug/deps/libprime-f34b2155f291f90f.rmeta --extern seq=/opt/rustwide/target/debug/deps/libseq-4e4de5055b7beb94.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-adae710081778523.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-4298cbf2bf58dd51.rmeta --extern term=/opt/rustwide/target/debug/deps/libterm-6d0a3307d702d2f6.rmeta --extern topological_sort=/opt/rustwide/target/debug/deps/libtopological_sort-7f7f933442c1dd90.rmeta --extern union_find=/opt/rustwide/target/debug/deps/libunion_find-d0b28e1e7f180a79.rmeta --cap-lints=warn --crate-version 0.0.1` (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" "8a1bb96ca3460f9289c5e50718c5ec3de99779db9a9cdbe4d46091339dbad580", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a1bb96ca3460f9289c5e50718c5ec3de99779db9a9cdbe4d46091339dbad580", kill_on_drop: false }`
[INFO] [stdout] 8a1bb96ca3460f9289c5e50718c5ec3de99779db9a9cdbe4d46091339dbad580
