[INFO] cloning repository https://github.com/haraldh/x86_64-linux-nolibc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/haraldh/x86_64-linux-nolibc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharaldh%2Fx86_64-linux-nolibc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharaldh%2Fx86_64-linux-nolibc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6b5fbeeee77307c51b99202941463f02bb68f05c
[INFO] documenting haraldh/x86_64-linux-nolibc against try#a394c9cd9ec93787f09a7ac445b14cc674a94549 for pr-151918
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharaldh%2Fx86_64-linux-nolibc" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-2-tc2/source/.cargo/config
[INFO] removed /workspace/builds/worker-2-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/haraldh/x86_64-linux-nolibc
[INFO] finished tweaking git repo https://github.com/haraldh/x86_64-linux-nolibc
[INFO] tweaked toml for git repo https://github.com/haraldh/x86_64-linux-nolibc written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/haraldh/x86_64-linux-nolibc on toolchain a394c9cd9ec93787f09a7ac445b14cc674a94549
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/haraldh/x86_64-linux-nolibc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] documenting haraldh/x86_64-linux-nolibc against try#a394c9cd9ec93787f09a7ac445b14cc674a94549 for pr-151918
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharaldh%2Fx86_64-linux-nolibc" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-2-tc2/source/.cargo/config
[INFO] removed /workspace/builds/worker-2-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/haraldh/x86_64-linux-nolibc
[INFO] finished tweaking git repo https://github.com/haraldh/x86_64-linux-nolibc
[INFO] tweaked toml for git repo https://github.com/haraldh/x86_64-linux-nolibc written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/haraldh/x86_64-linux-nolibc on toolchain a394c9cd9ec93787f09a7ac445b14cc674a94549
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/haraldh/x86_64-linux-nolibc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "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 rcrt1 v2.0.0
[INFO] [stderr]   Downloaded goblin v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb526dbdcfc770a0e3664859738bfb2afe096ae67b707f70f5b900b122b52a32
[INFO] running `Command { std: "docker" "start" "-a" "fb526dbdcfc770a0e3664859738bfb2afe096ae67b707f70f5b900b122b52a32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb526dbdcfc770a0e3664859738bfb2afe096ae67b707f70f5b900b122b52a32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb526dbdcfc770a0e3664859738bfb2afe096ae67b707f70f5b900b122b52a32", kill_on_drop: false }`
[INFO] [stdout] fb526dbdcfc770a0e3664859738bfb2afe096ae67b707f70f5b900b122b52a32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b674c90f99c0f1e750d32add025707028a1e79b9da6a8d6635c7efa4cd7c36a9
[INFO] running `Command { std: "docker" "start" "-a" "b674c90f99c0f1e750d32add025707028a1e79b9da6a8d6635c7efa4cd7c36a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling x86_64-linux-nolibc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting x86_64-linux-nolibc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/x86_64_linux_nolibc/index.html
[INFO] running `Command { std: "docker" "inspect" "b674c90f99c0f1e750d32add025707028a1e79b9da6a8d6635c7efa4cd7c36a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b674c90f99c0f1e750d32add025707028a1e79b9da6a8d6635c7efa4cd7c36a9", kill_on_drop: false }`
[INFO] [stdout] b674c90f99c0f1e750d32add025707028a1e79b9da6a8d6635c7efa4cd7c36a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 770c68ce15912f6deef2041f095352f4623e5c70de7d7693f4a5c1dd64e90f4a
[INFO] running `Command { std: "docker" "start" "-a" "770c68ce15912f6deef2041f095352f4623e5c70de7d7693f4a5c1dd64e90f4a", kill_on_drop: false }`
[INFO] [stderr]  Documenting x86_64-linux-nolibc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/x86_64_linux_nolibc/index.html
[INFO] running `Command { std: "docker" "inspect" "770c68ce15912f6deef2041f095352f4623e5c70de7d7693f4a5c1dd64e90f4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "770c68ce15912f6deef2041f095352f4623e5c70de7d7693f4a5c1dd64e90f4a", kill_on_drop: false }`
[INFO] [stdout] 770c68ce15912f6deef2041f095352f4623e5c70de7d7693f4a5c1dd64e90f4a