[INFO] cloning repository https://github.com/twe4ked/braillefb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/twe4ked/braillefb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwe4ked%2Fbraillefb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwe4ked%2Fbraillefb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0fbac62c2e4a293f36138b9aac79e91ef65c2ae2
[INFO] documenting twe4ked/braillefb against try#6fd27704e643b25711e6a97ec2b04873b411b97d for pr-96676
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwe4ked%2Fbraillefb" "/workspace/builds/worker-56/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-56/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/twe4ked/braillefb on toolchain 6fd27704e643b25711e6a97ec2b04873b411b97d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/twe4ked/braillefb
[INFO] finished tweaking git repo https://github.com/twe4ked/braillefb
[INFO] tweaked toml for git repo https://github.com/twe4ked/braillefb written to /workspace/builds/worker-56/source/Cargo.toml
[INFO] crate git repo https://github.com/twe4ked/braillefb already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "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-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f36b8d5713704194bd96e5333655b671ec2dd7f5584f20d041ad864ce619deb5
[INFO] running `Command { std: "docker" "start" "-a" "f36b8d5713704194bd96e5333655b671ec2dd7f5584f20d041ad864ce619deb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f36b8d5713704194bd96e5333655b671ec2dd7f5584f20d041ad864ce619deb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f36b8d5713704194bd96e5333655b671ec2dd7f5584f20d041ad864ce619deb5", kill_on_drop: false }`
[INFO] [stdout] f36b8d5713704194bd96e5333655b671ec2dd7f5584f20d041ad864ce619deb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 859e30fa079c9ae9c01912c6519954bc9b3915efc8d743c15b4b423e0fb45471
[INFO] running `Command { std: "docker" "start" "-a" "859e30fa079c9ae9c01912c6519954bc9b3915efc8d743c15b4b423e0fb45471", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting braillefb v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.75s
[INFO] running `Command { std: "docker" "inspect" "859e30fa079c9ae9c01912c6519954bc9b3915efc8d743c15b4b423e0fb45471", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "859e30fa079c9ae9c01912c6519954bc9b3915efc8d743c15b4b423e0fb45471", kill_on_drop: false }`
[INFO] [stdout] 859e30fa079c9ae9c01912c6519954bc9b3915efc8d743c15b4b423e0fb45471
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 813e7243cf756dad581794202251e6cfe3a6c6a006a3e00992919ad290524195
[INFO] running `Command { std: "docker" "start" "-a" "813e7243cf756dad581794202251e6cfe3a6c6a006a3e00992919ad290524195", 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" "813e7243cf756dad581794202251e6cfe3a6c6a006a3e00992919ad290524195", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "813e7243cf756dad581794202251e6cfe3a6c6a006a3e00992919ad290524195", kill_on_drop: false }`
[INFO] [stdout] 813e7243cf756dad581794202251e6cfe3a6c6a006a3e00992919ad290524195