[INFO] fetching crate webcomponent 0.6.2...
[INFO] documenting webcomponent-0.6.2 against try#6fd27704e643b25711e6a97ec2b04873b411b97d for pr-96676
[INFO] extracting crate webcomponent 0.6.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate webcomponent 0.6.2 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 crates.io crate webcomponent 0.6.2
[INFO] finished tweaking crates.io crate webcomponent 0.6.2
[INFO] tweaked toml for crates.io crate webcomponent 0.6.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 3a8fba1bfe392bc70856944dc92bd18b6061ab904b7eace13fc9f3f90f553347
[INFO] running `Command { std: "docker" "start" "-a" "3a8fba1bfe392bc70856944dc92bd18b6061ab904b7eace13fc9f3f90f553347", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a8fba1bfe392bc70856944dc92bd18b6061ab904b7eace13fc9f3f90f553347", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a8fba1bfe392bc70856944dc92bd18b6061ab904b7eace13fc9f3f90f553347", kill_on_drop: false }`
[INFO] [stdout] 3a8fba1bfe392bc70856944dc92bd18b6061ab904b7eace13fc9f3f90f553347
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 506971144c61d4893f33a732f76fef6e764f4e490c944278b0523f3ccd24bc25
[INFO] running `Command { std: "docker" "start" "-a" "506971144c61d4893f33a732f76fef6e764f4e490c944278b0523f3ccd24bc25", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]     Checking spin v0.7.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]     Checking cstring v0.0.5
[INFO] [stderr]     Checking spin v0.9.3
[INFO] [stderr]     Checking callback v0.5.3
[INFO] [stderr]     Checking js v0.3.0
[INFO] [stderr]  Documenting webcomponent v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.68s
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "506971144c61d4893f33a732f76fef6e764f4e490c944278b0523f3ccd24bc25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "506971144c61d4893f33a732f76fef6e764f4e490c944278b0523f3ccd24bc25", kill_on_drop: false }`
[INFO] [stdout] 506971144c61d4893f33a732f76fef6e764f4e490c944278b0523f3ccd24bc25