[INFO] cloning repository https://github.com/Checkmate50/rust99problems
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Checkmate50/rust99problems" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCheckmate50%2Frust99problems", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCheckmate50%2Frust99problems'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 406b3de7ca59ecccafb7429036bc78cda77033cf
[INFO] documenting Checkmate50/rust99problems against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCheckmate50%2Frust99problems" "/workspace/builds/worker-66/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-66/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Checkmate50/rust99problems on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Checkmate50/rust99problems
[INFO] finished tweaking git repo https://github.com/Checkmate50/rust99problems
[INFO] tweaked toml for git repo https://github.com/Checkmate50/rust99problems written to /workspace/builds/worker-66/source/Cargo.toml
[INFO] crate git repo https://github.com/Checkmate50/rust99problems already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff5eed40eb53e196f933a5229270042b7fde58c6aaec0d5bbcd60070933df39b
[INFO] running `Command { std: "docker" "start" "-a" "ff5eed40eb53e196f933a5229270042b7fde58c6aaec0d5bbcd60070933df39b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff5eed40eb53e196f933a5229270042b7fde58c6aaec0d5bbcd60070933df39b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff5eed40eb53e196f933a5229270042b7fde58c6aaec0d5bbcd60070933df39b", kill_on_drop: false }`
[INFO] [stdout] ff5eed40eb53e196f933a5229270042b7fde58c6aaec0d5bbcd60070933df39b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 601ac4938b986810724771fcad4d8566780c67a6fc72727ce5cd6265c5ee5030
[INFO] running `Command { std: "docker" "start" "-a" "601ac4938b986810724771fcad4d8566780c67a6fc72727ce5cd6265c5ee5030", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking r99p v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting r99p v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not document `r99p`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name r99p src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern rand=/opt/rustwide/target/debug/deps/librand-090a24b638ca95d0.rmeta --cap-lints=warn --crate-version 0.1.0` (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" "601ac4938b986810724771fcad4d8566780c67a6fc72727ce5cd6265c5ee5030", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "601ac4938b986810724771fcad4d8566780c67a6fc72727ce5cd6265c5ee5030", kill_on_drop: false }`
[INFO] [stdout] 601ac4938b986810724771fcad4d8566780c67a6fc72727ce5cd6265c5ee5030
