[INFO] cloning repository https://github.com/PreetamSing/multi_threaded_server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PreetamSing/multi_threaded_server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPreetamSing%2Fmulti_threaded_server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPreetamSing%2Fmulti_threaded_server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 729626e7ef404dfdedd451ecc2403b5362bebbbf
[INFO] documenting PreetamSing/multi_threaded_server against master#e1df625306f4136949e02612406f0c60df6008f3 for pr-96676
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPreetamSing%2Fmulti_threaded_server" "/workspace/builds/worker-55/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-55/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PreetamSing/multi_threaded_server 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] started tweaking git repo https://github.com/PreetamSing/multi_threaded_server
[INFO] finished tweaking git repo https://github.com/PreetamSing/multi_threaded_server
[INFO] tweaked toml for git repo https://github.com/PreetamSing/multi_threaded_server written to /workspace/builds/worker-55/source/Cargo.toml
[INFO] crate git repo https://github.com/PreetamSing/multi_threaded_server 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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] 7c93edb5707af4041a7a7339e680cab93fd1bf11eca36a9fe5b7e632e2dc8537
[INFO] running `Command { std: "docker" "start" "-a" "7c93edb5707af4041a7a7339e680cab93fd1bf11eca36a9fe5b7e632e2dc8537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c93edb5707af4041a7a7339e680cab93fd1bf11eca36a9fe5b7e632e2dc8537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c93edb5707af4041a7a7339e680cab93fd1bf11eca36a9fe5b7e632e2dc8537", kill_on_drop: false }`
[INFO] [stdout] 7c93edb5707af4041a7a7339e680cab93fd1bf11eca36a9fe5b7e632e2dc8537
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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] 846e8ee1c63c3c6e185ca1936eaeef8023ffb3266e0494f8eda421146726c81c
[INFO] running `Command { std: "docker" "start" "-a" "846e8ee1c63c3c6e185ca1936eaeef8023ffb3266e0494f8eda421146726c81c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting hello v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking hello v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.78s
[INFO] running `Command { std: "docker" "inspect" "846e8ee1c63c3c6e185ca1936eaeef8023ffb3266e0494f8eda421146726c81c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "846e8ee1c63c3c6e185ca1936eaeef8023ffb3266e0494f8eda421146726c81c", kill_on_drop: false }`
[INFO] [stdout] 846e8ee1c63c3c6e185ca1936eaeef8023ffb3266e0494f8eda421146726c81c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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=forbid" "-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" "+e1df625306f4136949e02612406f0c60df6008f3" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 31a0462d08a33b6cd4f3b906121a107d4d687bf80223840b4b64fa9dedb7f1b4
[INFO] running `Command { std: "docker" "start" "-a" "31a0462d08a33b6cd4f3b906121a107d4d687bf80223840b4b64fa9dedb7f1b4", 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" "31a0462d08a33b6cd4f3b906121a107d4d687bf80223840b4b64fa9dedb7f1b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31a0462d08a33b6cd4f3b906121a107d4d687bf80223840b4b64fa9dedb7f1b4", kill_on_drop: false }`
[INFO] [stdout] 31a0462d08a33b6cd4f3b906121a107d4d687bf80223840b4b64fa9dedb7f1b4