[INFO] cloning repository https://github.com/AuroransSolis/project-euler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AuroransSolis/project-euler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAuroransSolis%2Fproject-euler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAuroransSolis%2Fproject-euler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9365fcaaf9f60192748dd7f9ea30349b018137e5
[INFO] documenting AuroransSolis/project-euler 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%2FAuroransSolis%2Fproject-euler" "/workspace/builds/worker-98/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-98/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AuroransSolis/project-euler 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/AuroransSolis/project-euler
[INFO] finished tweaking git repo https://github.com/AuroransSolis/project-euler
[INFO] tweaked toml for git repo https://github.com/AuroransSolis/project-euler written to /workspace/builds/worker-98/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded plotters-svg v0.3.1
[INFO] [stderr]   Downloaded criterion-plot v0.4.4
[INFO] [stderr]   Downloaded plotters-backend v0.3.2
[INFO] [stderr]   Downloaded criterion v0.3.5
[INFO] [stderr]   Downloaded serde_cbor v0.11.1
[INFO] [stderr]   Downloaded half v1.7.1
[INFO] [stderr]   Downloaded plotters v0.3.1
[INFO] [stderr]   Downloaded web-sys v0.3.52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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] dc7f3e39af0206802bb1246252492eaad05b02dcef31e236e82fbce287ced6e3
[INFO] running `Command { std: "docker" "start" "-a" "dc7f3e39af0206802bb1246252492eaad05b02dcef31e236e82fbce287ced6e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc7f3e39af0206802bb1246252492eaad05b02dcef31e236e82fbce287ced6e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc7f3e39af0206802bb1246252492eaad05b02dcef31e236e82fbce287ced6e3", kill_on_drop: false }`
[INFO] [stdout] dc7f3e39af0206802bb1246252492eaad05b02dcef31e236e82fbce287ced6e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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] 35768e0b7921bc8849dcd69a66dd33ceb1a86fbd0124a7042409b42dbfca0eda
[INFO] running `Command { std: "docker" "start" "-a" "35768e0b7921bc8849dcd69a66dd33ceb1a86fbd0124a7042409b42dbfca0eda", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting problem-7 v0.1.0 (/opt/rustwide/workdir/problem-7)
[INFO] [stderr]  Documenting problem-8 v0.1.0 (/opt/rustwide/workdir/problem-8)
[INFO] [stderr]  Documenting problem-4 v0.1.0 (/opt/rustwide/workdir/problem-4)
[INFO] [stderr]  Documenting problem-11 v0.1.0 (/opt/rustwide/workdir/problem-11)
[INFO] [stderr]  Documenting problem-2 v0.1.0 (/opt/rustwide/workdir/problem-2)
[INFO] [stderr]  Documenting problem-6 v0.1.0 (/opt/rustwide/workdir/problem-6)
[INFO] [stderr]  Documenting problem-10 v0.1.0 (/opt/rustwide/workdir/problem-10)
[INFO] [stderr]  Documenting problem-9 v0.1.0 (/opt/rustwide/workdir/problem-9)
[INFO] [stderr]  Documenting problem-3 v0.1.0 (/opt/rustwide/workdir/problem-3)
[INFO] [stderr]  Documenting problem-5 v0.1.0 (/opt/rustwide/workdir/problem-5)
[INFO] [stderr]  Documenting problem-1 v0.1.0 (/opt/rustwide/workdir/problem-1)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.34s
[INFO] running `Command { std: "docker" "inspect" "35768e0b7921bc8849dcd69a66dd33ceb1a86fbd0124a7042409b42dbfca0eda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35768e0b7921bc8849dcd69a66dd33ceb1a86fbd0124a7042409b42dbfca0eda", kill_on_drop: false }`
[INFO] [stdout] 35768e0b7921bc8849dcd69a66dd33ceb1a86fbd0124a7042409b42dbfca0eda