[INFO] cloning repository https://github.com/ls1-sys-prog-course/task1-syscalls
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ls1-sys-prog-course/task1-syscalls" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fls1-sys-prog-course%2Ftask1-syscalls", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fls1-sys-prog-course%2Ftask1-syscalls'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f923ea6ad53dbc0548a2d771ff8d8ecda760d828
[INFO] documenting ls1-sys-prog-course/task1-syscalls against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fls1-sys-prog-course%2Ftask1-syscalls" "/workspace/builds/worker-33/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-33/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ls1-sys-prog-course/task1-syscalls on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ls1-sys-prog-course/task1-syscalls
[INFO] finished tweaking git repo https://github.com/ls1-sys-prog-course/task1-syscalls
[INFO] tweaked toml for git repo https://github.com/ls1-sys-prog-course/task1-syscalls written to /workspace/builds/worker-33/source/Cargo.toml
[INFO] crate git repo https://github.com/ls1-sys-prog-course/task1-syscalls already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef09555a941e0ffcb66696c4a6bef07737a7ef9367ef7cc7d13d7b414a362724
[INFO] running `Command { std: "docker" "start" "-a" "ef09555a941e0ffcb66696c4a6bef07737a7ef9367ef7cc7d13d7b414a362724", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef09555a941e0ffcb66696c4a6bef07737a7ef9367ef7cc7d13d7b414a362724", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef09555a941e0ffcb66696c4a6bef07737a7ef9367ef7cc7d13d7b414a362724", kill_on_drop: false }`
[INFO] [stdout] ef09555a941e0ffcb66696c4a6bef07737a7ef9367ef7cc7d13d7b414a362724
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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=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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1291698bda4a65cda6ce31a3032625d9f42013cea207244024c3a8c79dfe7f32
[INFO] running `Command { std: "docker" "start" "-a" "1291698bda4a65cda6ce31a3032625d9f42013cea207244024c3a8c79dfe7f32", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]  Documenting rw-1 v0.0.1 (/opt/rustwide/workdir/librw-1)
[INFO] [stderr]  Documenting rw-2 v0.0.1 (/opt/rustwide/workdir/librw-2)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.72s
[INFO] running `Command { std: "docker" "inspect" "1291698bda4a65cda6ce31a3032625d9f42013cea207244024c3a8c79dfe7f32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1291698bda4a65cda6ce31a3032625d9f42013cea207244024c3a8c79dfe7f32", kill_on_drop: false }`
[INFO] [stdout] 1291698bda4a65cda6ce31a3032625d9f42013cea207244024c3a8c79dfe7f32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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" "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" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] acf958022a53aa1e604bbdbfae4412a66860054ff92a042817c779d933fa1e6f
[INFO] running `Command { std: "docker" "start" "-a" "acf958022a53aa1e604bbdbfae4412a66860054ff92a042817c779d933fa1e6f", kill_on_drop: false }`
[INFO] [stderr] error: manifest path `/opt/rustwide/workdir/Cargo.toml` is a virtual manifest, but this command requires running against an actual package in this workspace
[INFO] running `Command { std: "docker" "inspect" "acf958022a53aa1e604bbdbfae4412a66860054ff92a042817c779d933fa1e6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acf958022a53aa1e604bbdbfae4412a66860054ff92a042817c779d933fa1e6f", kill_on_drop: false }`
[INFO] [stdout] acf958022a53aa1e604bbdbfae4412a66860054ff92a042817c779d933fa1e6f