[INFO] cloning repository https://github.com/mkj/frmatasync
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mkj/frmatasync" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkj%2Ffrmatasync", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkj%2Ffrmatasync'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ac4fbd665d5540b62ab9970303d65a24252b8dee
[INFO] documenting mkj/frmatasync against beta-2025-04-13 for beta-1.87-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkj%2Ffrmatasync" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mkj/frmatasync on toolchain beta-2025-04-13
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-04-13" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mkj/frmatasync
[INFO] finished tweaking git repo https://github.com/mkj/frmatasync
[INFO] tweaked toml for git repo https://github.com/mkj/frmatasync written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mkj/frmatasync 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" "+beta-2025-04-13" "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 mkj/frmatasync against beta-2025-04-13 for beta-1.87-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkj%2Ffrmatasync" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mkj/frmatasync on toolchain beta-2025-04-13
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-04-13" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mkj/frmatasync
[INFO] finished tweaking git repo https://github.com/mkj/frmatasync
[INFO] tweaked toml for git repo https://github.com/mkj/frmatasync written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mkj/frmatasync 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" "+beta-2025-04-13" "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 embedded-io-adapters v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 387a4fde6390308b5dee4c3f3249666d580774611395333ad2110110e318589b
[INFO] running `Command { std: "docker" "start" "-a" "387a4fde6390308b5dee4c3f3249666d580774611395333ad2110110e318589b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "387a4fde6390308b5dee4c3f3249666d580774611395333ad2110110e318589b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "387a4fde6390308b5dee4c3f3249666d580774611395333ad2110110e318589b", kill_on_drop: false }`
[INFO] [stdout] 387a4fde6390308b5dee4c3f3249666d580774611395333ad2110110e318589b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2892512b95c08222f13e73a31b474862f9ba2d3db9478d6f130f37e68a0d529d
[INFO] running `Command { std: "docker" "start" "-a" "2892512b95c08222f13e73a31b474862f9ba2d3db9478d6f130f37e68a0d529d", kill_on_drop: false }`
[INFO] [stderr]    Compiling embedded-io-async v0.6.1
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking embedded-io v0.6.1
[INFO] [stderr]     Checking hash32 v0.3.1
[INFO] [stderr]  Documenting frmatasync v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.68s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/frmatasync/index.html
[INFO] running `Command { std: "docker" "inspect" "2892512b95c08222f13e73a31b474862f9ba2d3db9478d6f130f37e68a0d529d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2892512b95c08222f13e73a31b474862f9ba2d3db9478d6f130f37e68a0d529d", kill_on_drop: false }`
[INFO] [stdout] 2892512b95c08222f13e73a31b474862f9ba2d3db9478d6f130f37e68a0d529d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "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] 6a5246ef18234bc07825911212dd716a343194e0de1d288b64343a555dbc2df6
[INFO] running `Command { std: "docker" "start" "-a" "6a5246ef18234bc07825911212dd716a343194e0de1d288b64343a555dbc2df6", kill_on_drop: false }`
[INFO] [stderr]  Documenting frmatasync v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.71s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/frmatasync/index.html
[INFO] running `Command { std: "docker" "inspect" "6a5246ef18234bc07825911212dd716a343194e0de1d288b64343a555dbc2df6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a5246ef18234bc07825911212dd716a343194e0de1d288b64343a555dbc2df6", kill_on_drop: false }`
[INFO] [stdout] 6a5246ef18234bc07825911212dd716a343194e0de1d288b64343a555dbc2df6