[INFO] cloning repository https://github.com/akashgarg-13/Rev_guessinggame
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/akashgarg-13/Rev_guessinggame" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakashgarg-13%2FRev_guessinggame", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakashgarg-13%2FRev_guessinggame'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4a038c0a953e10c2b4940e1e3c7da791e66f9b39
[INFO] documenting akashgarg-13/Rev_guessinggame against master#e1df625306f4136949e02612406f0c60df6008f3 for pr-96676
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakashgarg-13%2FRev_guessinggame" "/workspace/builds/worker-23/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-23/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/akashgarg-13/Rev_guessinggame 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/akashgarg-13/Rev_guessinggame
[INFO] finished tweaking git repo https://github.com/akashgarg-13/Rev_guessinggame
[INFO] tweaked toml for git repo https://github.com/akashgarg-13/Rev_guessinggame written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] crate git repo https://github.com/akashgarg-13/Rev_guessinggame 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 48674cd7f42cbcae68ded7e719597de11ce304d6d96c3744c7af620a7a254516
[INFO] running `Command { std: "docker" "start" "-a" "48674cd7f42cbcae68ded7e719597de11ce304d6d96c3744c7af620a7a254516", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48674cd7f42cbcae68ded7e719597de11ce304d6d96c3744c7af620a7a254516", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48674cd7f42cbcae68ded7e719597de11ce304d6d96c3744c7af620a7a254516", kill_on_drop: false }`
[INFO] [stdout] 48674cd7f42cbcae68ded7e719597de11ce304d6d96c3744c7af620a7a254516
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 699c402163cdd13f33399baed0a86fe3dfddbed30d2664a2752b33cadae1bf55
[INFO] running `Command { std: "docker" "start" "-a" "699c402163cdd13f33399baed0a86fe3dfddbed30d2664a2752b33cadae1bf55", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.120
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking getrandom v0.2.5
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]  Documenting revision v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.36s
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "699c402163cdd13f33399baed0a86fe3dfddbed30d2664a2752b33cadae1bf55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "699c402163cdd13f33399baed0a86fe3dfddbed30d2664a2752b33cadae1bf55", kill_on_drop: false }`
[INFO] [stdout] 699c402163cdd13f33399baed0a86fe3dfddbed30d2664a2752b33cadae1bf55