[INFO] cloning repository https://github.com/mprasil/paperpi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mprasil/paperpi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmprasil%2Fpaperpi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmprasil%2Fpaperpi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eab1cb1eebbc1566c6b4511612cc7bf6a32c383d
[INFO] documenting mprasil/paperpi against master#e1df625306f4136949e02612406f0c60df6008f3 for pr-96676
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmprasil%2Fpaperpi" "/workspace/builds/worker-77/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-77/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mprasil/paperpi on toolchain e1df625306f4136949e02612406f0c60df6008f3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-77/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/mprasil/paperpi
[INFO] finished tweaking git repo https://github.com/mprasil/paperpi
[INFO] tweaked toml for git repo https://github.com/mprasil/paperpi written to /workspace/builds/worker-77/source/Cargo.toml
[INFO] crate git repo https://github.com/mprasil/paperpi already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "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 tokio-threadpool v0.1.12
[INFO] [stderr]   Downloaded reqwest v0.9.11
[INFO] [stderr]   Downloaded uuid v0.7.2
[INFO] [stderr]   Downloaded openssl-sys v0.9.42
[INFO] [stderr]   Downloaded enum-map-derive v0.4.1
[INFO] [stderr]   Downloaded libflate v0.1.21
[INFO] [stderr]   Downloaded unicase v2.3.0
[INFO] [stderr]   Downloaded num-rational v0.2.1
[INFO] [stderr]   Downloaded enum-map v0.5.0
[INFO] [stderr]   Downloaded array-macro v1.0.3
[INFO] [stderr]   Downloaded enum-map-internals v0.1.2
[INFO] [stderr]   Downloaded arc-swap v0.3.7
[INFO] [stderr]   Downloaded unicode-segmentation v1.2.1
[INFO] [stderr]   Downloaded enumset_derive v0.3.0
[INFO] [stderr]   Downloaded enumset v0.3.17
[INFO] [stderr]   Downloaded cursive v0.11.0
[INFO] [stderr]   Downloaded xi-unicode v0.1.0
[INFO] [stderr]   Downloaded signal-hook v0.1.8
[INFO] [stderr]   Downloaded cc v1.0.31
[INFO] [stderr]   Downloaded openssl v0.10.19
[INFO] [stderr]   Downloaded tokio-current-thread v0.1.5
[INFO] [stderr]   Downloaded tokio v0.1.17
[INFO] [stderr]   Downloaded serializable_enum v0.4.0
[INFO] [stderr]   Downloaded serde_derive v1.0.89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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" "+e1df625306f4136949e02612406f0c60df6008f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd438824daf55b827414a923497b8aa40336a42746ac1b7b5e6f4c561abce2e8
[INFO] running `Command { std: "docker" "start" "-a" "dd438824daf55b827414a923497b8aa40336a42746ac1b7b5e6f4c561abce2e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd438824daf55b827414a923497b8aa40336a42746ac1b7b5e6f4c561abce2e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd438824daf55b827414a923497b8aa40336a42746ac1b7b5e6f4c561abce2e8", kill_on_drop: false }`
[INFO] [stdout] dd438824daf55b827414a923497b8aa40336a42746ac1b7b5e6f4c561abce2e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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=forbid" "-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" "+e1df625306f4136949e02612406f0c60df6008f3" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6fb5be6a4f42e7a6b23552a2f5b0ea68545e56a847e0ec3dd564a62a1d5b4b6
[INFO] running `Command { std: "docker" "start" "-a" "f6fb5be6a4f42e7a6b23552a2f5b0ea68545e56a847e0ec3dd564a62a1d5b4b6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "f6fb5be6a4f42e7a6b23552a2f5b0ea68545e56a847e0ec3dd564a62a1d5b4b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6fb5be6a4f42e7a6b23552a2f5b0ea68545e56a847e0ec3dd564a62a1d5b4b6", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: Could not kill running container f6fb5be6a4f42e7a6b23552a2f5b0ea68545e56a847e0ec3dd564a62a1d5b4b6, cannot remove - container f6fb5be6a4f4 PID 1011390 is zombie and can not be killed. Use the --init option when creating containers to run an init inside the container that forwards signals and reaps processes
[ERROR] failed to delete container f6fb5be6a4f42e7a6b23552a2f5b0ea68545e56a847e0ec3dd564a62a1d5b4b6
[ERROR] caused by: command failed: exit status: 1